sdl-ios-xcode: src/video/SDL_renderer

annotate src/video/SDL_renderer_gl.c @ 5004:0c72ae7b7cb2

Added native atomic operations for Windows, Mac OS X, and gcc compiler intrinsics. Changed the CAS return value to bool, so it's efficient with OSAtomicCompareAndSwap32Barrier() Added an atomic test adapted from code by Michael Davidsaver

author	Sam Lantinga <slouken@libsdl.org>
date	Sun, 16 Jan 2011 15:16:39 -0800
parents	397e748d901a
children	e8916fe9cfc8

rev	line source
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1 /*
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2 SDL - Simple DirectMedia Layer
3697 f7b03b6838cb Fixed bug #926 Sam Lantinga <slouken@libsdl.org> parents: 3685 diff changeset	3 Copyright (C) 1997-2010 Sam Lantinga
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5 This library is free software; you can redistribute it and/or
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6 modify it under the terms of the GNU Lesser General Public
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7 License as published by the Free Software Foundation; either
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	8 version 2.1 of the License, or (at your option) any later version.
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	9
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	13 Lesser General Public License for more details.
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	14
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	15 You should have received a copy of the GNU Lesser General Public
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	16 License along with this library; if not, write to the Free Software
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	18
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	19 Sam Lantinga
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	20 slouken@libsdl.org
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	21 */
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	22 #include "SDL_config.h"
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	23
1952 420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: 1928 diff changeset	24 #if SDL_VIDEO_RENDER_OGL
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	25
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	26 #include "SDL_video.h"
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	27 #include "SDL_opengl.h"
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	28 #include "SDL_sysvideo.h"
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	29 #include "SDL_pixels_c.h"
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	30 #include "SDL_rect_c.h"
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	31 #include "SDL_yuv_sw_c.h"
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	32
2246 75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO Sam Lantinga <slouken@libsdl.org> parents: 2237 diff changeset	33 #ifdef __MACOSX__
75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO Sam Lantinga <slouken@libsdl.org> parents: 2237 diff changeset	34 #include <OpenGL/OpenGL.h>
75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO Sam Lantinga <slouken@libsdl.org> parents: 2237 diff changeset	35 #endif
75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO Sam Lantinga <slouken@libsdl.org> parents: 2237 diff changeset	36
2778 38dfc890ee6b Preliminary support for YUV textures Sam Lantinga <slouken@libsdl.org> parents: 2328 diff changeset	37
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	38 /* OpenGL renderer implementation */
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	39
2230 9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	40 /* Details on optimizing the texture path on Mac OS X:
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	41 http://developer.apple.com/documentation/GraphicsImaging/Conceptual/OpenGL-MacProgGuide/opengl_texturedata/chapter_10_section_2.html
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	42 */
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	43
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	44 /* !!! FIXME: this should go in a higher level than the GL renderer. */
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	45 static __inline__ int
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	46 bytes_per_pixel(const Uint32 format)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	47 {
2839 f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	48 if (!SDL_ISPIXELFORMAT_FOURCC(format)) {
f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	49 return SDL_BYTESPERPIXEL(format);
f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	50 }
f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	51
f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	52 /* FOURCC format */
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	53 switch (format) {
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	54 case SDL_PIXELFORMAT_YV12:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	55 case SDL_PIXELFORMAT_IYUV:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	56 case SDL_PIXELFORMAT_YUY2:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	57 case SDL_PIXELFORMAT_UYVY:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	58 case SDL_PIXELFORMAT_YVYU:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	59 return 2;
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	60 default:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	61 return 1; /* shouldn't ever hit this. */
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	62 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	63 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	64
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	65
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	66 static const float inv255f = 1.0f / 255.0f;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	67
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	68 static SDL_Renderer GL_CreateRenderer(SDL_Window window, Uint32 flags);
1923 d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	69 static int GL_ActivateRenderer(SDL_Renderer * renderer);
1970 db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	70 static int GL_DisplayModeChanged(SDL_Renderer * renderer);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	71 static int GL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
2222 926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	72 static int GL_QueryTexturePixels(SDL_Renderer * renderer,
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	73 SDL_Texture * texture, void **pixels,
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	74 int *pitch);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	75 static int GL_SetTexturePalette(SDL_Renderer * renderer,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	76 SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	77 const SDL_Color * colors, int firstcolor,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	78 int ncolors);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	79 static int GL_GetTexturePalette(SDL_Renderer * renderer,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	80 SDL_Texture * texture, SDL_Color * colors,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	81 int firstcolor, int ncolors);
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	82 static int GL_SetTextureColorMod(SDL_Renderer * renderer,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	83 SDL_Texture * texture);
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	84 static int GL_SetTextureAlphaMod(SDL_Renderer * renderer,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	85 SDL_Texture * texture);
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	86 static int GL_SetTextureBlendMode(SDL_Renderer * renderer,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	87 SDL_Texture * texture);
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	88 static int GL_SetTextureScaleMode(SDL_Renderer * renderer,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	89 SDL_Texture * texture);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	90 static int GL_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	91 const SDL_Rect * rect, const void *pixels,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	92 int pitch);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	93 static int GL_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	94 const SDL_Rect * rect, int markDirty, void **pixels,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	95 int *pitch);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	96 static void GL_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	97 static void GL_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	98 int numrects, const SDL_Rect * rects);
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	99 static int GL_RenderClear(SDL_Renderer * renderer);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	100 static int GL_RenderDrawPoints(SDL_Renderer * renderer,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	101 const SDL_Point * points, int count);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	102 static int GL_RenderDrawLines(SDL_Renderer * renderer,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	103 const SDL_Point * points, int count);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	104 static int GL_RenderDrawRects(SDL_Renderer * renderer,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	105 const SDL_Rect ** rects, int count);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	106 static int GL_RenderFillRects(SDL_Renderer * renderer,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	107 const SDL_Rect ** rects, int count);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	108 static int GL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	109 const SDL_Rect * srcrect, const SDL_Rect * dstrect);
3431 c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface Sam Lantinga <slouken@libsdl.org> parents: 3393 diff changeset	110 static int GL_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
3435 9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	111 Uint32 pixel_format, void * pixels, int pitch);
3431 c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface Sam Lantinga <slouken@libsdl.org> parents: 3393 diff changeset	112 static int GL_RenderWritePixels(SDL_Renderer * renderer, const SDL_Rect * rect,
3435 9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	113 Uint32 pixel_format, const void * pixels, int pitch);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	114 static void GL_RenderPresent(SDL_Renderer * renderer);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	115 static void GL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	116 static void GL_DestroyRenderer(SDL_Renderer * renderer);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	117
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	118
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	119 SDL_RenderDriver GL_RenderDriver = {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	120 GL_CreateRenderer,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	121 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	122 "opengl",
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	123 (SDL_RENDERER_SINGLEBUFFER \| SDL_RENDERER_PRESENTDISCARD \|
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	124 SDL_RENDERER_PRESENTVSYNC \| SDL_RENDERER_ACCELERATED),
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	125 (SDL_TEXTUREMODULATE_NONE \| SDL_TEXTUREMODULATE_COLOR \|
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	126 SDL_TEXTUREMODULATE_ALPHA),
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	127 (SDL_BLENDMODE_NONE \| SDL_BLENDMODE_MASK \|
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	128 SDL_BLENDMODE_BLEND \| SDL_BLENDMODE_ADD \| SDL_BLENDMODE_MOD),
4929 aa8888658021 Use the enumerated type for blend and scale mode instead of int Sam Lantinga <slouken@libsdl.org> parents: 4910 diff changeset	129 (SDL_SCALEMODE_NONE \| SDL_SCALEMODE_FAST \| SDL_SCALEMODE_SLOW),
2813 49243a6e9ff1 Removed the hacky stuff for YUV OpenGL textures, since Ryan's pixel shader code Sam Lantinga <slouken@libsdl.org> parents: 2812 diff changeset	130 15,
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	131 {
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	132 SDL_PIXELFORMAT_INDEX1LSB,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	133 SDL_PIXELFORMAT_INDEX1MSB,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	134 SDL_PIXELFORMAT_INDEX8,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	135 SDL_PIXELFORMAT_RGB332,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	136 SDL_PIXELFORMAT_RGB444,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	137 SDL_PIXELFORMAT_RGB555,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	138 SDL_PIXELFORMAT_ARGB4444,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	139 SDL_PIXELFORMAT_ARGB1555,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	140 SDL_PIXELFORMAT_RGB565,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	141 SDL_PIXELFORMAT_RGB24,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	142 SDL_PIXELFORMAT_BGR24,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	143 SDL_PIXELFORMAT_RGB888,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	144 SDL_PIXELFORMAT_BGR888,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	145 SDL_PIXELFORMAT_ARGB8888,
a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	146 SDL_PIXELFORMAT_ABGR8888,
2813 49243a6e9ff1 Removed the hacky stuff for YUV OpenGL textures, since Ryan's pixel shader code Sam Lantinga <slouken@libsdl.org> parents: 2812 diff changeset	147 SDL_PIXELFORMAT_ARGB2101010},
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	148 0,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	149 0}
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	150 };
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	151
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	152 typedef struct
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	153 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	154 SDL_GLContext context;
2833 c2e182a37f5f Whoops, can't call glOrtho() repeatedly Sam Lantinga <slouken@libsdl.org> parents: 2832 diff changeset	155 SDL_bool updateSize;
2233 fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	156 SDL_bool GL_ARB_texture_rectangle_supported;
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	157 SDL_bool GL_EXT_paletted_texture_supported;
2845 1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture Sam Lantinga <slouken@libsdl.org> parents: 2844 diff changeset	158 SDL_bool GL_APPLE_ycbcr_422_supported;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture Sam Lantinga <slouken@libsdl.org> parents: 2844 diff changeset	159 SDL_bool GL_MESA_ycbcr_texture_supported;
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	160 SDL_bool GL_ARB_fragment_program_supported;
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	161 int blendMode;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	162 int scaleMode;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	163
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	164 /* OpenGL functions */
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	165 #define SDL_PROC(ret,func,params) ret (APIENTRY *func) params;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	166 #include "SDL_glfuncs.h"
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	167 #undef SDL_PROC
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	168
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	169 PFNGLCOLORTABLEEXTPROC glColorTableEXT;
2233 fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	170 void (*glTextureRangeAPPLE) (GLenum target, GLsizei length,
fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	171 const GLvoid * pointer);
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	172
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	173 PFNGLGETPROGRAMIVARBPROC glGetProgramivARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	174 PFNGLGETPROGRAMSTRINGARBPROC glGetProgramStringARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	175 PFNGLPROGRAMLOCALPARAMETER4FVARBPROC glProgramLocalParameter4fvARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	176 PFNGLDELETEPROGRAMSARBPROC glDeleteProgramsARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	177 PFNGLGENPROGRAMSARBPROC glGenProgramsARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	178 PFNGLBINDPROGRAMARBPROC glBindProgramARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	179 PFNGLPROGRAMSTRINGARBPROC glProgramStringARB;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	180
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	181 /* (optional) fragment programs */
3468 789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	182 GLuint fragment_program_mask;
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	183 GLuint fragment_program_UYVY;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	184 } GL_RenderData;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	185
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	186 typedef struct
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	187 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	188 GLuint texture;
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	189 GLuint shader;
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	190 GLenum type;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	191 GLfloat texw;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	192 GLfloat texh;
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	193 GLenum format;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	194 GLenum formattype;
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	195 Uint8 *palette;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	196 void *pixels;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	197 int pitch;
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	198 SDL_DirtyRectList dirty;
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	199 int HACK_RYAN_FIXME;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	200 } GL_TextureData;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	201
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	202
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	203 static void
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	204 GL_SetError(const char *prefix, GLenum result)
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	205 {
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	206 const char *error;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	207
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	208 switch (result) {
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	209 case GL_NO_ERROR:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	210 error = "GL_NO_ERROR";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	211 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	212 case GL_INVALID_ENUM:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	213 error = "GL_INVALID_ENUM";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	214 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	215 case GL_INVALID_VALUE:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	216 error = "GL_INVALID_VALUE";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	217 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	218 case GL_INVALID_OPERATION:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	219 error = "GL_INVALID_OPERATION";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	220 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	221 case GL_STACK_OVERFLOW:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	222 error = "GL_STACK_OVERFLOW";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	223 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	224 case GL_STACK_UNDERFLOW:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	225 error = "GL_STACK_UNDERFLOW";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	226 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	227 case GL_OUT_OF_MEMORY:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	228 error = "GL_OUT_OF_MEMORY";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	229 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	230 case GL_TABLE_TOO_LARGE:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	231 error = "GL_TABLE_TOO_LARGE";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	232 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	233 default:
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	234 error = "UNKNOWN";
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	235 break;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	236 }
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	237 SDL_SetError("%s: %s", prefix, error);
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	238 }
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	239
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	240 static int
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	241 GL_LoadFunctions(GL_RenderData * data)
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	242 {
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	243 #if defined(__QNXNTO__) && (_NTO_VERSION < 630)
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	244 #define __SDL_NOGETPROCADDR__
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	245 #endif
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	246 #ifdef __SDL_NOGETPROCADDR__
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	247 #define SDL_PROC(ret,func,params) data->func=func;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	248 #else
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	249 #define SDL_PROC(ret,func,params) \
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	250 do { \
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	251 data->func = SDL_GL_GetProcAddress(#func); \
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	252 if ( ! data->func ) { \
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	253 SDL_SetError("Couldn't load GL function %s: %s\n", #func, SDL_GetError()); \
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	254 return -1; \
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	255 } \
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	256 } while ( 0 );
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	257 #endif /* __SDL_NOGETPROCADDR__ */
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	258
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	259 #include "SDL_glfuncs.h"
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	260 #undef SDL_PROC
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	261 return 0;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	262 }
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	263
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	264 SDL_Renderer *
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	265 GL_CreateRenderer(SDL_Window * window, Uint32 flags)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	266 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	267 SDL_Renderer *renderer;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	268 GL_RenderData *data;
1952 420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: 1928 diff changeset	269 GLint value;
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	270 int doublebuffer;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	271
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	272 /* Render directly to the window, unless we're compositing */
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	273 #ifndef __MACOSX__
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	274 if (flags & SDL_RENDERER_SINGLEBUFFER) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	275 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 0);
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	276 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	277 #endif
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	278 if (!(window->flags & SDL_WINDOW_OPENGL)) {
1928 861bc36f0ab3 Fixed crash with multiple windows Sam Lantinga <slouken@libsdl.org> parents: 1927 diff changeset	279 if (SDL_RecreateWindow(window, window->flags \| SDL_WINDOW_OPENGL) < 0) {
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	280 return NULL;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	281 }
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	282 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	283
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	284 renderer = (SDL_Renderer ) SDL_calloc(1, sizeof(renderer));
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	285 if (!renderer) {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	286 SDL_OutOfMemory();
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	287 return NULL;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	288 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	289
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	290 data = (GL_RenderData ) SDL_calloc(1, sizeof(data));
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	291 if (!data) {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	292 GL_DestroyRenderer(renderer);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	293 SDL_OutOfMemory();
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	294 return NULL;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	295 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	296
1923 d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	297 renderer->ActivateRenderer = GL_ActivateRenderer;
1970 db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	298 renderer->DisplayModeChanged = GL_DisplayModeChanged;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	299 renderer->CreateTexture = GL_CreateTexture;
2222 926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	300 renderer->QueryTexturePixels = GL_QueryTexturePixels;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	301 renderer->SetTexturePalette = GL_SetTexturePalette;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	302 renderer->GetTexturePalette = GL_GetTexturePalette;
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	303 renderer->SetTextureColorMod = GL_SetTextureColorMod;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	304 renderer->SetTextureAlphaMod = GL_SetTextureAlphaMod;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	305 renderer->SetTextureBlendMode = GL_SetTextureBlendMode;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	306 renderer->SetTextureScaleMode = GL_SetTextureScaleMode;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	307 renderer->UpdateTexture = GL_UpdateTexture;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	308 renderer->LockTexture = GL_LockTexture;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	309 renderer->UnlockTexture = GL_UnlockTexture;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	310 renderer->DirtyTexture = GL_DirtyTexture;
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	311 renderer->RenderClear = GL_RenderClear;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	312 renderer->RenderDrawPoints = GL_RenderDrawPoints;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	313 renderer->RenderDrawLines = GL_RenderDrawLines;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	314 renderer->RenderDrawRects = GL_RenderDrawRects;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	315 renderer->RenderFillRects = GL_RenderFillRects;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	316 renderer->RenderCopy = GL_RenderCopy;
3431 c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface Sam Lantinga <slouken@libsdl.org> parents: 3393 diff changeset	317 renderer->RenderReadPixels = GL_RenderReadPixels;
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface Sam Lantinga <slouken@libsdl.org> parents: 3393 diff changeset	318 renderer->RenderWritePixels = GL_RenderWritePixels;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	319 renderer->RenderPresent = GL_RenderPresent;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	320 renderer->DestroyTexture = GL_DestroyTexture;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	321 renderer->DestroyRenderer = GL_DestroyRenderer;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	322 renderer->info = GL_RenderDriver.info;
3685 64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance. Sam Lantinga <slouken@libsdl.org> parents: 3607 diff changeset	323 renderer->window = window;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	324 renderer->driverdata = data;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	325
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	326 renderer->info.flags =
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	327 (SDL_RENDERER_PRESENTDISCARD \| SDL_RENDERER_ACCELERATED);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	328
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	329 if (GL_LoadFunctions(data) < 0) {
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	330 GL_DestroyRenderer(renderer);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	331 return NULL;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	332 }
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	333
3685 64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance. Sam Lantinga <slouken@libsdl.org> parents: 3607 diff changeset	334 data->context = SDL_GL_CreateContext(window);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	335 if (!data->context) {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	336 GL_DestroyRenderer(renderer);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	337 return NULL;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	338 }
3685 64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance. Sam Lantinga <slouken@libsdl.org> parents: 3607 diff changeset	339 if (SDL_GL_MakeCurrent(window, data->context) < 0) {
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	340 GL_DestroyRenderer(renderer);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	341 return NULL;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	342 }
2246 75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO Sam Lantinga <slouken@libsdl.org> parents: 2237 diff changeset	343 #ifdef __MACOSX__
75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO Sam Lantinga <slouken@libsdl.org> parents: 2237 diff changeset	344 /* Enable multi-threaded rendering */
75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO Sam Lantinga <slouken@libsdl.org> parents: 2237 diff changeset	345 /* Disabled until Ryan finishes his VBO/PBO code...
2295 dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob. Bob Pendleton <bob@pendleton.com> parents: 2275 diff changeset	346 CGLEnable(CGLGetCurrentContext(), kCGLCEMPEngine);
dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob. Bob Pendleton <bob@pendleton.com> parents: 2275 diff changeset	347 */
2246 75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO Sam Lantinga <slouken@libsdl.org> parents: 2237 diff changeset	348 #endif
75daa0792bd1 Added code to enable multi-threaded OpenGL on Mac OS X, pending Ryan's PBO/VBO Sam Lantinga <slouken@libsdl.org> parents: 2237 diff changeset	349
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	350 if (flags & SDL_RENDERER_PRESENTVSYNC) {
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	351 SDL_GL_SetSwapInterval(1);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	352 } else {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	353 SDL_GL_SetSwapInterval(0);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	354 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	355 if (SDL_GL_GetSwapInterval() > 0) {
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	356 renderer->info.flags \|= SDL_RENDERER_PRESENTVSYNC;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	357 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	358
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	359 if (SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &doublebuffer) == 0) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	360 if (!doublebuffer) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	361 renderer->info.flags \|= SDL_RENDERER_SINGLEBUFFER;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	362 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	363 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	364
1952 420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: 1928 diff changeset	365 data->glGetIntegerv(GL_MAX_TEXTURE_SIZE, &value);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: 1928 diff changeset	366 renderer->info.max_texture_width = value;
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: 1928 diff changeset	367 data->glGetIntegerv(GL_MAX_TEXTURE_SIZE, &value);
420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: 1928 diff changeset	368 renderer->info.max_texture_height = value;
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	369
1926 307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	370 if (SDL_GL_ExtensionSupported("GL_ARB_texture_rectangle")
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	371 \|\| SDL_GL_ExtensionSupported("GL_EXT_texture_rectangle")) {
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	372 data->GL_ARB_texture_rectangle_supported = SDL_TRUE;
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	373 }
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	374 if (SDL_GL_ExtensionSupported("GL_EXT_paletted_texture")) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	375 data->GL_EXT_paletted_texture_supported = SDL_TRUE;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	376 data->glColorTableEXT =
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	377 (PFNGLCOLORTABLEEXTPROC) SDL_GL_GetProcAddress("glColorTableEXT");
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	378 } else {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	379 /* Don't advertise support for 8-bit indexed texture format */
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	380 Uint32 i, j;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	381 SDL_RendererInfo *info = &renderer->info;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	382 for (i = 0, j = 0; i < info->num_texture_formats; ++i) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	383 if (info->texture_formats[i] != SDL_PIXELFORMAT_INDEX8) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	384 info->texture_formats[j++] = info->texture_formats[i];
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	385 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	386 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	387 --info->num_texture_formats;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	388 }
2845 1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture Sam Lantinga <slouken@libsdl.org> parents: 2844 diff changeset	389 if (SDL_GL_ExtensionSupported("GL_APPLE_ycbcr_422")) {
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture Sam Lantinga <slouken@libsdl.org> parents: 2844 diff changeset	390 data->GL_APPLE_ycbcr_422_supported = SDL_TRUE;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture Sam Lantinga <slouken@libsdl.org> parents: 2844 diff changeset	391 }
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture Sam Lantinga <slouken@libsdl.org> parents: 2844 diff changeset	392 if (SDL_GL_ExtensionSupported("GL_MESA_ycbcr_texture")) {
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture Sam Lantinga <slouken@libsdl.org> parents: 2844 diff changeset	393 data->GL_MESA_ycbcr_texture_supported = SDL_TRUE;
1cc5d5b164e2 Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture Sam Lantinga <slouken@libsdl.org> parents: 2844 diff changeset	394 }
2233 fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	395 if (SDL_GL_ExtensionSupported("GL_APPLE_texture_range")) {
fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	396 data->glTextureRangeAPPLE =
fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	397 (void ()(GLenum, GLsizei, const GLvoid ))
fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	398 SDL_GL_GetProcAddress("glTextureRangeAPPLE");
fb01ee9716bc Test using glTextureRangeAPPLE Sam Lantinga <slouken@libsdl.org> parents: 2230 diff changeset	399 }
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	400
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	401 /* we might use fragment programs for YUV data, etc. */
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	402 if (SDL_GL_ExtensionSupported("GL_ARB_fragment_program")) {
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	403 /* !!! FIXME: this doesn't check for errors. */
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	404 /* !!! FIXME: this should really reuse the glfuncs.h stuff. */
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	405 data->glGetProgramivARB = (PFNGLGETPROGRAMIVARBPROC)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	406 SDL_GL_GetProcAddress("glGetProgramivARB");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	407 data->glGetProgramStringARB = (PFNGLGETPROGRAMSTRINGARBPROC)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	408 SDL_GL_GetProcAddress("glGetProgramStringARB");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	409 data->glProgramLocalParameter4fvARB =
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	410 (PFNGLPROGRAMLOCALPARAMETER4FVARBPROC)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	411 SDL_GL_GetProcAddress("glProgramLocalParameter4fvARB");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	412 data->glDeleteProgramsARB = (PFNGLDELETEPROGRAMSARBPROC)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	413 SDL_GL_GetProcAddress("glDeleteProgramsARB");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	414 data->glGenProgramsARB = (PFNGLGENPROGRAMSARBPROC)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	415 SDL_GL_GetProcAddress("glGenProgramsARB");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	416 data->glBindProgramARB = (PFNGLBINDPROGRAMARBPROC)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	417 SDL_GL_GetProcAddress("glBindProgramARB");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	418 data->glProgramStringARB = (PFNGLPROGRAMSTRINGARBPROC)
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	419 SDL_GL_GetProcAddress("glProgramStringARB");
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	420 data->GL_ARB_fragment_program_supported = SDL_TRUE;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	421 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	422
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	423 /* Set up parameters for rendering */
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	424 data->blendMode = -1;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	425 data->scaleMode = -1;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	426 data->glDisable(GL_DEPTH_TEST);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	427 data->glDisable(GL_CULL_FACE);
3262 e3d33bd599eb Stefan Ullinger Sam Lantinga <slouken@libsdl.org> parents: 3253 diff changeset	428 /* This ended up causing video discrepancies between OpenGL and Direct3D */
e3d33bd599eb Stefan Ullinger Sam Lantinga <slouken@libsdl.org> parents: 3253 diff changeset	429 /data->glEnable(GL_LINE_SMOOTH);/
1926 307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	430 if (data->GL_ARB_texture_rectangle_supported) {
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	431 data->glEnable(GL_TEXTURE_RECTANGLE_ARB);
1926 307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	432 } else {
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	433 data->glEnable(GL_TEXTURE_2D);
1926 307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	434 }
2833 c2e182a37f5f Whoops, can't call glOrtho() repeatedly Sam Lantinga <slouken@libsdl.org> parents: 2832 diff changeset	435 data->updateSize = SDL_TRUE;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	436
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	437 return renderer;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	438 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	439
1923 d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	440 static int
d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	441 GL_ActivateRenderer(SDL_Renderer * renderer)
d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	442 {
d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	443 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
3685 64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance. Sam Lantinga <slouken@libsdl.org> parents: 3607 diff changeset	444 SDL_Window *window = renderer->window;
1923 d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	445
3685 64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance. Sam Lantinga <slouken@libsdl.org> parents: 3607 diff changeset	446 if (SDL_GL_MakeCurrent(window, data->context) < 0) {
1970 db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	447 return -1;
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	448 }
2833 c2e182a37f5f Whoops, can't call glOrtho() repeatedly Sam Lantinga <slouken@libsdl.org> parents: 2832 diff changeset	449 if (data->updateSize) {
2836 b128b94ed31e Rebind the context to the window area and update matrices when the window size changes Sam Lantinga <slouken@libsdl.org> parents: 2835 diff changeset	450 data->glMatrixMode(GL_PROJECTION);
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes Sam Lantinga <slouken@libsdl.org> parents: 2835 diff changeset	451 data->glLoadIdentity();
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes Sam Lantinga <slouken@libsdl.org> parents: 2835 diff changeset	452 data->glMatrixMode(GL_MODELVIEW);
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes Sam Lantinga <slouken@libsdl.org> parents: 2835 diff changeset	453 data->glLoadIdentity();
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes Sam Lantinga <slouken@libsdl.org> parents: 2835 diff changeset	454 data->glViewport(0, 0, window->w, window->h);
3324 0f19b2fa4125 -0.5 is causing trouble according to comments in bug #783 Sam Lantinga <slouken@libsdl.org> parents: 3283 diff changeset	455 data->glOrtho(0.0, (GLdouble) window->w,
0f19b2fa4125 -0.5 is causing trouble according to comments in bug #783 Sam Lantinga <slouken@libsdl.org> parents: 3283 diff changeset	456 (GLdouble) window->h, 0.0, 0.0, 1.0);
2833 c2e182a37f5f Whoops, can't call glOrtho() repeatedly Sam Lantinga <slouken@libsdl.org> parents: 2832 diff changeset	457 data->updateSize = SDL_FALSE;
c2e182a37f5f Whoops, can't call glOrtho() repeatedly Sam Lantinga <slouken@libsdl.org> parents: 2832 diff changeset	458 }
1970 db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	459 return 0;
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	460 }
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	461
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	462 static int
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	463 GL_DisplayModeChanged(SDL_Renderer * renderer)
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	464 {
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	465 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
db3ba6c0d0df Allow the render context to do necessary work when the video mode changes. Sam Lantinga <slouken@libsdl.org> parents: 1965 diff changeset	466
2836 b128b94ed31e Rebind the context to the window area and update matrices when the window size changes Sam Lantinga <slouken@libsdl.org> parents: 2835 diff changeset	467 /* Rebind the context to the window area and update matrices */
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes Sam Lantinga <slouken@libsdl.org> parents: 2835 diff changeset	468 data->updateSize = SDL_TRUE;
b128b94ed31e Rebind the context to the window area and update matrices when the window size changes Sam Lantinga <slouken@libsdl.org> parents: 2835 diff changeset	469 return GL_ActivateRenderer(renderer);
1923 d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	470 }
d4572b97b08f Switch OpenGL contexts when switching render contexts. Sam Lantinga <slouken@libsdl.org> parents: 1922 diff changeset	471
1922 4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	472 static __inline__ int
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	473 power_of_2(int input)
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	474 {
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	475 int value = 1;
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	476
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	477 while (value < input) {
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	478 value <<= 1;
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	479 }
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	480 return value;
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	481 }
4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	482
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	483
2858 a38fcb093081 A little cleanup for SDL snapshot release Sam Lantinga <slouken@libsdl.org> parents: 2848 diff changeset	484 //#define DEBUG_PROGRAM_COMPILE 1
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	485
3468 789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	486 static void
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	487 set_shader_error(GL_RenderData * data, const char *prefix)
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	488 {
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	489 GLint pos = 0;
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	490 const GLubyte *errstr;
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	491 data->glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &pos);
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	492 errstr = data->glGetString(GL_PROGRAM_ERROR_STRING_ARB);
3479 6f887204fa7a Whoops, actually set the SDL error, don't just print the error. Sam Lantinga <slouken@libsdl.org> parents: 3475 diff changeset	493 SDL_SetError("%s: shader compile error at position %d: %s",
3468 789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	494 prefix, (int) pos, (const char *) errstr);
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	495 }
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	496
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	497 static GLuint
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	498 compile_shader(GL_RenderData * data, GLenum shader_type, const char *_code)
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	499 {
2847 7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	500 const int have_texture_rects = data->GL_ARB_texture_rectangle_supported;
7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	501 const char *replacement = have_texture_rects ? "RECT" : "2D";
2918 bd518fc76f28 Updated to build on Windows Sam Lantinga <slouken@libsdl.org> parents: 2901 diff changeset	502 const size_t replacementlen = SDL_strlen(replacement);
2847 7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	503 const char *token = "%TEXTURETARGET%";
2918 bd518fc76f28 Updated to build on Windows Sam Lantinga <slouken@libsdl.org> parents: 2901 diff changeset	504 const size_t tokenlen = SDL_strlen(token);
2847 7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	505 char *code = NULL;
7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	506 char *ptr = NULL;
7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	507 GLuint program = 0;
7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	508
7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	509 /*
7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	510 * The TEX instruction needs a different target depending on what we use.
7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	511 * To handle this, we use "%TEXTURETARGET%" and replace the string before
7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	512 * compiling the shader.
7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	513 */
7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	514 code = SDL_strdup(_code);
7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	515 if (code == NULL)
7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	516 return 0;
7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	517
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	518 for (ptr = SDL_strstr(code, token); ptr; ptr = SDL_strstr(ptr + 1, token)) {
2918 bd518fc76f28 Updated to build on Windows Sam Lantinga <slouken@libsdl.org> parents: 2901 diff changeset	519 SDL_memcpy(ptr, replacement, replacementlen);
bd518fc76f28 Updated to build on Windows Sam Lantinga <slouken@libsdl.org> parents: 2901 diff changeset	520 SDL_memmove(ptr + replacementlen, ptr + tokenlen,
bd518fc76f28 Updated to build on Windows Sam Lantinga <slouken@libsdl.org> parents: 2901 diff changeset	521 SDL_strlen(ptr + tokenlen) + 1);
2847 7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	522 }
7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	523
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	524 #if DEBUG_PROGRAM_COMPILE
2847 7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	525 printf("compiling shader:\n%s\n\n", code);
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	526 #endif
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	527
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	528 data->glGetError(); /* flush any existing error state. */
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	529 data->glGenProgramsARB(1, &program);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	530 data->glBindProgramARB(shader_type, program);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	531 data->glProgramStringARB(shader_type, GL_PROGRAM_FORMAT_ASCII_ARB,
3253 5d7ef5970073 Fixed issues building 64-bit Windows binary Sam Lantinga <slouken@libsdl.org> parents: 3041 diff changeset	532 (GLsizei)SDL_strlen(code), code);
2847 7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	533
7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	534 SDL_free(code);
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	535
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	536 if (data->glGetError() == GL_INVALID_OPERATION) {
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	537 #if DEBUG_PROGRAM_COMPILE
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	538 GLint pos = 0;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	539 const GLubyte *errstr;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	540 data->glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &pos);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	541 errstr = data->glGetString(GL_PROGRAM_ERROR_STRING_ARB);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	542 printf("program compile error at position %d: %s\n\n",
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	543 (int) pos, (const char *) errstr);
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	544 #endif
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	545 data->glBindProgramARB(shader_type, 0);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	546 data->glDeleteProgramsARB(1, &program);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	547 return 0;
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	548 }
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	549
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	550 return program;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	551 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	552
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	553
8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	554 /*
3468 789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	555 * Fragment program that implements mask semantics
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	556 */
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	557 static const char *fragment_program_mask_source_code = "!!ARBfp1.0\n"
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	558 "OUTPUT output = result.color;\n"
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	559 "TEMP value;\n"
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	560 "TEX value, fragment.texcoord[0], texture[0], %TEXTURETARGET%;\n"
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	561 "MUL value, fragment.color, value;\n"
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	562 "SGE value.a, value.a, 0.001;\n"
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	563 "MOV output, value;\n"
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	564 "END";
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	565
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	566 /*
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	567 * Fragment program that renders from UYVY textures.
8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	568 * The UYVY to RGB equasion is:
8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	569 * R = 1.164(Y-16) + 1.596(Cr-128)
8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	570 * G = 1.164(Y-16) - 0.813(Cr-128) - 0.391(Cb-128)
8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	571 * B = 1.164(Y-16) + 2.018(Cb-128)
8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	572 * Byte layout is Cb, Y1, Cr, Y2, stored in the R, G, B, A channels.
8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	573 * 4 bytes == 2 pixels: Y1/Cb/Cr, Y2/Cb/Cr
8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	574 *
8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	575 * !!! FIXME: this ignores blendmodes, etc.
8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	576 * !!! FIXME: this could be more efficient...use a dot product for green, etc.
8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	577 */
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	578 static const char *fragment_program_UYVY_source_code = "!!ARBfp1.0\n"
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	579 /* outputs... */
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	580 "OUTPUT outcolor = result.color;\n"
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	581 /* scratch registers... */
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	582 "TEMP uyvy;\n" "TEMP luminance;\n" "TEMP work;\n"
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	583 /* Halve the coordinates to grab the correct 32 bits for the fragment. */
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	584 "MUL work, fragment.texcoord, { 0.5, 1.0, 1.0, 1.0 };\n"
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	585 /* Sample the YUV texture. Cb, Y1, Cr, Y2, are stored in x, y, z, w. */
2847 7d020441fa81 Don't hardcode RECT for fragment program texture targets. Ryan C. Gordon <icculus@icculus.org> parents: 2846 diff changeset	586 "TEX uyvy, work, texture[0], %TEXTURETARGET%;\n"
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	587 /* Do subtractions (128/255, 16/255, 128/255, 16/255) */
2846 3d7833d5a4be Slight optimization of the shader, no need to scale into 0..255 Sam Lantinga <slouken@libsdl.org> parents: 2845 diff changeset	588 "SUB uyvy, uyvy, { 0.501960784313726, 0.06274509803922, 0.501960784313726, 0.06274509803922 };\n"
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	589 /* Choose the luminance component by texcoord. */
8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	590 /* !!! FIXME: laziness wins out for now... just average Y1 and Y2. */
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	591 "ADD luminance, uyvy.yyyy, uyvy.wwww;\n"
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	592 "MUL luminance, luminance, { 0.5, 0.5, 0.5, 0.5 };\n"
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	593 /* Multiply luminance by its magic value. */
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	594 "MUL luminance, luminance, { 1.164, 1.164, 1.164, 1.164 };\n"
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	595 /* uyvy.xyzw becomes Cr/Cr/Cb/Cb, with multiplications. */
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	596 "MUL uyvy, uyvy.zzxx, { 1.596, -0.813, 2.018, -0.391 };\n"
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	597 /* Add luminance to Cr and Cb, store to RGB channels. */
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	598 "ADD work.rgb, luminance, uyvy;\n"
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	599 /* Do final addition for Green channel. (!!! FIXME: this should be a DPH?) */
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	600 "ADD work.g, work.g, uyvy.w;\n"
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	601 /* Make sure alpha channel is fully opaque. (!!! FIXME: blend modes!) */
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	602 "MOV work.a, { 1.0 };\n"
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	603 /* Store out the final fragment color... */
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	604 "MOV outcolor, work;\n"
2848 8a3aa505ecba Comment cleanup. Ryan C. Gordon <icculus@icculus.org> parents: 2847 diff changeset	605 /* ...and we're done! */
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	606 "END\n";
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	607
3433 ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	608 static __inline__ SDL_bool
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	609 convert_format(GL_RenderData *renderdata, Uint32 pixel_format,
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	610 GLint* internalFormat, GLenum* format, GLenum* type)
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	611 {
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	612 switch (pixel_format) {
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	613 case SDL_PIXELFORMAT_INDEX1LSB:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	614 case SDL_PIXELFORMAT_INDEX1MSB:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	615 *internalFormat = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	616 *format = GL_COLOR_INDEX;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	617 *type = GL_BITMAP;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	618 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	619 case SDL_PIXELFORMAT_INDEX8:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	620 if (!renderdata->GL_EXT_paletted_texture_supported) {
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	621 return SDL_FALSE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	622 }
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	623 *internalFormat = GL_COLOR_INDEX8_EXT;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	624 *format = GL_COLOR_INDEX;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	625 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	626 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	627 case SDL_PIXELFORMAT_RGB332:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	628 *internalFormat = GL_R3_G3_B2;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	629 *format = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	630 *type = GL_UNSIGNED_BYTE_3_3_2;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	631 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	632 case SDL_PIXELFORMAT_RGB444:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	633 *internalFormat = GL_RGB4;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	634 *format = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	635 *type = GL_UNSIGNED_SHORT_4_4_4_4;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	636 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	637 case SDL_PIXELFORMAT_RGB555:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	638 *internalFormat = GL_RGB5;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	639 *format = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	640 *type = GL_UNSIGNED_SHORT_5_5_5_1;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	641 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	642 case SDL_PIXELFORMAT_ARGB4444:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	643 *internalFormat = GL_RGBA4;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	644 *format = GL_BGRA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	645 *type = GL_UNSIGNED_SHORT_4_4_4_4_REV;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	646 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	647 case SDL_PIXELFORMAT_ARGB1555:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	648 *internalFormat = GL_RGB5_A1;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	649 *format = GL_BGRA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	650 *type = GL_UNSIGNED_SHORT_1_5_5_5_REV;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	651 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	652 case SDL_PIXELFORMAT_RGB565:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	653 *internalFormat = GL_RGB8;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	654 *format = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	655 *type = GL_UNSIGNED_SHORT_5_6_5;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	656 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	657 case SDL_PIXELFORMAT_RGB24:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	658 *internalFormat = GL_RGB8;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	659 *format = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	660 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	661 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	662 case SDL_PIXELFORMAT_RGB888:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	663 *internalFormat = GL_RGB8;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	664 *format = GL_BGRA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	665 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	666 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	667 case SDL_PIXELFORMAT_BGR24:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	668 *internalFormat = GL_RGB8;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	669 *format = GL_BGR;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	670 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	671 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	672 case SDL_PIXELFORMAT_BGR888:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	673 *internalFormat = GL_RGB8;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	674 *format = GL_RGBA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	675 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	676 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	677 case SDL_PIXELFORMAT_ARGB8888:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	678 #ifdef __MACOSX__
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	679 *internalFormat = GL_RGBA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	680 *format = GL_BGRA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	681 *type = GL_UNSIGNED_INT_8_8_8_8_REV;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	682 #else
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	683 *internalFormat = GL_RGBA8;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	684 *format = GL_BGRA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	685 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	686 #endif
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	687 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	688 case SDL_PIXELFORMAT_ABGR8888:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	689 *internalFormat = GL_RGBA8;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	690 *format = GL_RGBA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	691 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	692 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	693 case SDL_PIXELFORMAT_ARGB2101010:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	694 *internalFormat = GL_RGB10_A2;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	695 *format = GL_BGRA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	696 *type = GL_UNSIGNED_INT_2_10_10_10_REV;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	697 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	698 case SDL_PIXELFORMAT_UYVY:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	699 if (renderdata->GL_APPLE_ycbcr_422_supported) {
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	700 *internalFormat = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	701 *format = GL_YCBCR_422_APPLE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	702 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	703 *type = GL_UNSIGNED_SHORT_8_8_APPLE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	704 #else
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	705 *type = GL_UNSIGNED_SHORT_8_8_REV_APPLE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	706 #endif
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	707 } else if (renderdata->GL_MESA_ycbcr_texture_supported) {
3494 61d95a87c327 Adam Strzelecki to SDL Sam Lantinga <slouken@libsdl.org> parents: 3479 diff changeset	708 *internalFormat = GL_YCBCR_MESA;
3433 ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	709 *format = GL_YCBCR_MESA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	710 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	711 *type = GL_UNSIGNED_SHORT_8_8_MESA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	712 #else
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	713 *type = GL_UNSIGNED_SHORT_8_8_REV_MESA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	714 #endif
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	715 } else if (renderdata->GL_ARB_fragment_program_supported) {
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	716 *internalFormat = GL_RGBA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	717 *format = GL_RGBA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	718 *type = GL_UNSIGNED_BYTE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	719 } else {
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	720 return SDL_FALSE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	721 }
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	722 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	723 case SDL_PIXELFORMAT_YUY2:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	724 if (renderdata->GL_APPLE_ycbcr_422_supported) {
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	725 *internalFormat = GL_RGB;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	726 *format = GL_YCBCR_422_APPLE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	727 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	728 *type = GL_UNSIGNED_SHORT_8_8_REV_APPLE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	729 #else
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	730 *type = GL_UNSIGNED_SHORT_8_8_APPLE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	731 #endif
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	732 } else if (renderdata->GL_MESA_ycbcr_texture_supported) {
3494 61d95a87c327 Adam Strzelecki to SDL Sam Lantinga <slouken@libsdl.org> parents: 3479 diff changeset	733 *internalFormat = GL_YCBCR_MESA;
3433 ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	734 *format = GL_YCBCR_MESA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	735 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	736 *type = GL_UNSIGNED_SHORT_8_8_REV_MESA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	737 #else
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	738 *type = GL_UNSIGNED_SHORT_8_8_MESA;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	739 #endif
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	740 } else {
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	741 return SDL_FALSE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	742 }
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	743 break;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	744 default:
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	745 return SDL_FALSE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	746 }
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	747 return SDL_TRUE;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	748 }
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	749
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	750 static int
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	751 GL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	752 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	753 GL_RenderData renderdata = (GL_RenderData ) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	754 GL_TextureData *data;
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	755 GLint internalFormat;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	756 GLenum format, type;
1922 4905cac7a4bd Fixed OpenGL blend modes, added power of 2 texture code Sam Lantinga <slouken@libsdl.org> parents: 1921 diff changeset	757 int texture_w, texture_h;
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	758 GLuint shader = 0;
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	759 GLenum result;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	760
3433 ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	761 if (!convert_format(renderdata, texture->format, &internalFormat,
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	762 &format, &type)) {
4990 397e748d901a Improved error message for unsupported texture format Sam Lantinga <slouken@libsdl.org> parents: 4929 diff changeset	763 SDL_SetError("Texture format %s not supported by OpenGL",
397e748d901a Improved error message for unsupported texture format Sam Lantinga <slouken@libsdl.org> parents: 4929 diff changeset	764 SDL_GetPixelFormatName(texture->format));
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	765 return -1;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	766 }
3433 ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	767 if (texture->format == SDL_PIXELFORMAT_UYVY &&
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	768 !renderdata->GL_APPLE_ycbcr_422_supported &&
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	769 !renderdata->GL_MESA_ycbcr_texture_supported &&
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	770 renderdata->GL_ARB_fragment_program_supported) {
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	771 if (renderdata->fragment_program_UYVY == 0) {
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	772 renderdata->fragment_program_UYVY =
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	773 compile_shader(renderdata, GL_FRAGMENT_PROGRAM_ARB,
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	774 fragment_program_UYVY_source_code);
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	775 if (renderdata->fragment_program_UYVY == 0) {
3468 789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	776 set_shader_error(renderdata, "UYVY");
3433 ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	777 return -1;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	778 }
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	779 }
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	780 shader = renderdata->fragment_program_UYVY;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	781 }
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	782
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	783 data = (GL_TextureData ) SDL_calloc(1, sizeof(data));
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	784 if (!data) {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	785 SDL_OutOfMemory();
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	786 return -1;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	787 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	788
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	789 data->shader = shader;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	790
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	791 if (texture->format == SDL_PIXELFORMAT_INDEX8) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	792 data->palette = (Uint8 ) SDL_malloc(3 256 * sizeof(Uint8));
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	793 if (!data->palette) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	794 SDL_OutOfMemory();
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	795 SDL_free(data);
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	796 return -1;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	797 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	798 SDL_memset(data->palette, 0xFF, 3 * 256 * sizeof(Uint8));
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	799 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	800
2222 926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	801 if (texture->access == SDL_TEXTUREACCESS_STREAMING) {
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	802 data->pitch = texture->w * bytes_per_pixel(texture->format);
2222 926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	803 data->pixels = SDL_malloc(texture->h * data->pitch);
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	804 if (!data->pixels) {
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	805 SDL_OutOfMemory();
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	806 SDL_free(data);
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	807 return -1;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	808 }
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	809 }
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	810
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	811 texture->driverdata = data;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	812
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	813 renderdata->glGetError();
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	814 renderdata->glGenTextures(1, &data->texture);
1926 307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	815 if (renderdata->GL_ARB_texture_rectangle_supported) {
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	816 data->type = GL_TEXTURE_RECTANGLE_ARB;
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	817 texture_w = texture->w;
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	818 texture_h = texture->h;
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	819 data->texw = (GLfloat) texture_w;
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	820 data->texh = (GLfloat) texture_h;
1926 307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	821 } else {
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	822 data->type = GL_TEXTURE_2D;
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	823 texture_w = power_of_2(texture->w);
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	824 texture_h = power_of_2(texture->h);
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	825 data->texw = (GLfloat) (texture->w) / texture_w;
1926 307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	826 data->texh = (GLfloat) texture->h / texture_h;
307355678142 Added SDL_GL_ExtensionSupported() Sam Lantinga <slouken@libsdl.org> parents: 1924 diff changeset	827 }
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	828
2839 f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	829 /* YUV formats use RGBA but are really two bytes per pixel */
f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	830 if (internalFormat == GL_RGBA && bytes_per_pixel(texture->format) < 4) {
3707 d8308bc267bc Adam Strzelecki to SDL Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	831 texture_w /= 2;
d8308bc267bc Adam Strzelecki to SDL Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	832 if (data->type == GL_TEXTURE_2D) {
d8308bc267bc Adam Strzelecki to SDL Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	833 data->texw *= 2.0f;
d8308bc267bc Adam Strzelecki to SDL Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	834 }
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	835 data->HACK_RYAN_FIXME = 2;
2843 e919f2e3700d Fixed the shader fragment problems using 2 byte YUV data in a 4 byte RGB Sam Lantinga <slouken@libsdl.org> parents: 2840 diff changeset	836 } else {
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	837 data->HACK_RYAN_FIXME = 1;
2839 f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	838 }
f89700cc9272 Progress, maybe. :) Sam Lantinga <slouken@libsdl.org> parents: 2836 diff changeset	839
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	840 data->format = format;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	841 data->formattype = type;
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	842 renderdata->glEnable(data->type);
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	843 renderdata->glBindTexture(data->type, data->texture);
2230 9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	844 renderdata->glTexParameteri(data->type, GL_TEXTURE_MIN_FILTER,
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	845 GL_NEAREST);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	846 renderdata->glTexParameteri(data->type, GL_TEXTURE_MAG_FILTER,
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	847 GL_NEAREST);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	848 renderdata->glTexParameteri(data->type, GL_TEXTURE_WRAP_S,
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	849 GL_CLAMP_TO_EDGE);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	850 renderdata->glTexParameteri(data->type, GL_TEXTURE_WRAP_T,
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	851 GL_CLAMP_TO_EDGE);
2840 53ca0d758b0a The previous checkin fixes the crash, so at least we're not overrunning Sam Lantinga <slouken@libsdl.org> parents: 2839 diff changeset	852 #ifdef __MACOSX__
2230 9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	853 #ifndef GL_TEXTURE_STORAGE_HINT_APPLE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	854 #define GL_TEXTURE_STORAGE_HINT_APPLE 0x85BC
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	855 #endif
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	856 #ifndef STORAGE_CACHED_APPLE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	857 #define STORAGE_CACHED_APPLE 0x85BE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	858 #endif
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	859 #ifndef STORAGE_SHARED_APPLE
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	860 #define STORAGE_SHARED_APPLE 0x85BF
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	861 #endif
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	862 if (texture->access == SDL_TEXTUREACCESS_STREAMING) {
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	863 renderdata->glTexParameteri(data->type, GL_TEXTURE_STORAGE_HINT_APPLE,
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	864 GL_STORAGE_SHARED_APPLE);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	865 } else {
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	866 renderdata->glTexParameteri(data->type, GL_TEXTURE_STORAGE_HINT_APPLE,
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	867 GL_STORAGE_CACHED_APPLE);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	868 }
2809 7e257c3a3bf0 Temporary fix for Mac OS X crash in textoverlay Sam Lantinga <slouken@libsdl.org> parents: 2808 diff changeset	869 /* This causes a crash in testoverlay for some reason. Apple bug? */
7e257c3a3bf0 Temporary fix for Mac OS X crash in textoverlay Sam Lantinga <slouken@libsdl.org> parents: 2808 diff changeset	870 #if 0
2295 dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob. Bob Pendleton <bob@pendleton.com> parents: 2275 diff changeset	871 if (texture->access == SDL_TEXTUREACCESS_STREAMING
dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob. Bob Pendleton <bob@pendleton.com> parents: 2275 diff changeset	872 && texture->format == SDL_PIXELFORMAT_ARGB8888) {
2237 e57a883ffa86 Advertise the most efficient format for the screen. Of course SDL code needs Sam Lantinga <slouken@libsdl.org> parents: 2236 diff changeset	873 /*
2295 dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob. Bob Pendleton <bob@pendleton.com> parents: 2275 diff changeset	874 if (renderdata->glTextureRangeAPPLE) {
dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob. Bob Pendleton <bob@pendleton.com> parents: 2275 diff changeset	875 renderdata->glTextureRangeAPPLE(data->type,
dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob. Bob Pendleton <bob@pendleton.com> parents: 2275 diff changeset	876 texture->h * data->pitch,
dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob. Bob Pendleton <bob@pendleton.com> parents: 2275 diff changeset	877 data->pixels);
dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob. Bob Pendleton <bob@pendleton.com> parents: 2275 diff changeset	878 }
dbc6d1893869 Checking in Christian Walther's patch for x11 keyboard input. Minor code tweaks by Bob. Bob Pendleton <bob@pendleton.com> parents: 2275 diff changeset	879 */
2230 9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	880 renderdata->glPixelStorei(GL_UNPACK_CLIENT_STORAGE_APPLE, GL_TRUE);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	881 renderdata->glTexImage2D(data->type, 0, internalFormat, texture_w,
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	882 texture_h, 0, format, type, data->pixels);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	883 } else
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	884 #endif
2809 7e257c3a3bf0 Temporary fix for Mac OS X crash in textoverlay Sam Lantinga <slouken@libsdl.org> parents: 2808 diff changeset	885 #endif
2230 9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	886 {
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	887 renderdata->glTexImage2D(data->type, 0, internalFormat, texture_w,
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	888 texture_h, 0, format, type, NULL);
9b7d29d2432b Optimized OpenGL renderer for Mac OS X. Sam Lantinga <slouken@libsdl.org> parents: 2222 diff changeset	889 }
3041 20d65430e63c Fixed OpenGL state issue reported by Dmytro Bogovych Sam Lantinga <slouken@libsdl.org> parents: 3013 diff changeset	890 renderdata->glDisable(data->type);
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	891 result = renderdata->glGetError();
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	892 if (result != GL_NO_ERROR) {
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	893 GL_SetError("glTexImage2D()", result);
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	894 return -1;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	895 }
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	896 return 0;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	897 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	898
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	899 static int
2222 926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	900 GL_QueryTexturePixels(SDL_Renderer * renderer, SDL_Texture * texture,
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	901 void *pixels, int pitch)
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	902 {
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	903 GL_TextureData data = (GL_TextureData ) texture->driverdata;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	904
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	905 *pixels = data->pixels;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	906 *pitch = data->pitch;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	907 return 0;
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	908 }
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	909
926294b2bb4e Emphasized the separation between SDL_Surface and SDL_Texture Sam Lantinga <slouken@libsdl.org> parents: 1986 diff changeset	910 static int
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	911 GL_SetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	912 const SDL_Color * colors, int firstcolor, int ncolors)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	913 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	914 GL_RenderData renderdata = (GL_RenderData ) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	915 GL_TextureData data = (GL_TextureData ) texture->driverdata;
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	916 Uint8 *palette;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	917
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	918 if (!data->palette) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	919 SDL_SetError("Texture doesn't have a palette");
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	920 return -1;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	921 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	922 palette = data->palette + firstcolor * 3;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	923 while (ncolors--) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	924 *palette++ = colors->r;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	925 *palette++ = colors->g;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	926 *palette++ = colors->b;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	927 ++colors;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	928 }
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	929 renderdata->glEnable(data->type);
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	930 renderdata->glBindTexture(data->type, data->texture);
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	931 renderdata->glColorTableEXT(data->type, GL_RGB8, 256, GL_RGB,
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	932 GL_UNSIGNED_BYTE, data->palette);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	933 return 0;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	934 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	935
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	936 static int
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	937 GL_GetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	938 SDL_Color * colors, int firstcolor, int ncolors)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	939 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	940 GL_TextureData data = (GL_TextureData ) texture->driverdata;
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	941 Uint8 *palette;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	942
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	943 if (!data->palette) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	944 SDL_SetError("Texture doesn't have a palette");
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	945 return -1;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	946 }
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	947 palette = data->palette + firstcolor * 3;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	948 while (ncolors--) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	949 colors->r = *palette++;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	950 colors->g = *palette++;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	951 colors->b = *palette++;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	952 colors->unused = SDL_ALPHA_OPAQUE;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	953 ++colors;
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	954 }
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	955 return 0;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	956 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	957
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	958 static void
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	959 SetupTextureUpdate(GL_RenderData * renderdata, SDL_Texture * texture,
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	960 int pitch)
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	961 {
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	962 if (texture->format == SDL_PIXELFORMAT_INDEX1LSB) {
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	963 renderdata->glPixelStorei(GL_UNPACK_LSB_FIRST, 1);
1965 a788656ca29a SDL constants are all uppercase. Sam Lantinga <slouken@libsdl.org> parents: 1952 diff changeset	964 } else if (texture->format == SDL_PIXELFORMAT_INDEX1MSB) {
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	965 renderdata->glPixelStorei(GL_UNPACK_LSB_FIRST, 0);
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	966 }
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	967 renderdata->glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
2808 368410632f2d Whoops, we need this for subrect updates (testsprite) Sam Lantinga <slouken@libsdl.org> parents: 2804 diff changeset	968 renderdata->glPixelStorei(GL_UNPACK_ROW_LENGTH,
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	969 (pitch / bytes_per_pixel(texture->format)) /
3013 8cc00819c8d6 Reverted Bob's indent checkin Sam Lantinga <slouken@libsdl.org> parents: 3011 diff changeset	970 ((GL_TextureData *) texture->driverdata)->
8cc00819c8d6 Reverted Bob's indent checkin Sam Lantinga <slouken@libsdl.org> parents: 3011 diff changeset	971 HACK_RYAN_FIXME);
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	972 }
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	973
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	974 static int
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	975 GL_SetTextureColorMod(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	976 {
1986 f4c65e3bfaed Cleanup for the last checkin Sam Lantinga <slouken@libsdl.org> parents: 1985 diff changeset	977 return 0;
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	978 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	979
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	980 static int
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	981 GL_SetTextureAlphaMod(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	982 {
1986 f4c65e3bfaed Cleanup for the last checkin Sam Lantinga <slouken@libsdl.org> parents: 1985 diff changeset	983 return 0;
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	984 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	985
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	986 static int
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	987 GL_SetTextureBlendMode(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	988 {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	989 switch (texture->blendMode) {
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	990 case SDL_BLENDMODE_NONE:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	991 case SDL_BLENDMODE_MASK:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	992 case SDL_BLENDMODE_BLEND:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	993 case SDL_BLENDMODE_ADD:
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	994 case SDL_BLENDMODE_MOD:
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	995 return 0;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	996 default:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	997 SDL_Unsupported();
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	998 texture->blendMode = SDL_BLENDMODE_NONE;
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	999 return -1;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1000 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1001 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1002
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1003 static int
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1004 GL_SetTextureScaleMode(SDL_Renderer * renderer, SDL_Texture * texture)
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1005 {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1006 switch (texture->scaleMode) {
4929 aa8888658021 Use the enumerated type for blend and scale mode instead of int Sam Lantinga <slouken@libsdl.org> parents: 4910 diff changeset	1007 case SDL_SCALEMODE_NONE:
aa8888658021 Use the enumerated type for blend and scale mode instead of int Sam Lantinga <slouken@libsdl.org> parents: 4910 diff changeset	1008 case SDL_SCALEMODE_FAST:
aa8888658021 Use the enumerated type for blend and scale mode instead of int Sam Lantinga <slouken@libsdl.org> parents: 4910 diff changeset	1009 case SDL_SCALEMODE_SLOW:
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1010 return 0;
4929 aa8888658021 Use the enumerated type for blend and scale mode instead of int Sam Lantinga <slouken@libsdl.org> parents: 4910 diff changeset	1011 case SDL_SCALEMODE_BEST:
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1012 SDL_Unsupported();
4929 aa8888658021 Use the enumerated type for blend and scale mode instead of int Sam Lantinga <slouken@libsdl.org> parents: 4910 diff changeset	1013 texture->scaleMode = SDL_SCALEMODE_SLOW;
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1014 return -1;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1015 default:
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1016 SDL_Unsupported();
4929 aa8888658021 Use the enumerated type for blend and scale mode instead of int Sam Lantinga <slouken@libsdl.org> parents: 4910 diff changeset	1017 texture->scaleMode = SDL_SCALEMODE_NONE;
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1018 return -1;
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1019 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1020 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1021
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1022 static int
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1023 GL_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1024 const SDL_Rect * rect, const void *pixels, int pitch)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1025 {
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1026 GL_RenderData renderdata = (GL_RenderData ) renderer->driverdata;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1027 GL_TextureData data = (GL_TextureData ) texture->driverdata;
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	1028 GLenum result;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1029
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1030 renderdata->glGetError();
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1031 SetupTextureUpdate(renderdata, texture, pitch);
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1032 renderdata->glEnable(data->type);
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1033 renderdata->glBindTexture(data->type, data->texture);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1034 renderdata->glTexSubImage2D(data->type, 0, rect->x, rect->y, rect->w,
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1035 rect->h, data->format, data->formattype,
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1036 pixels);
3041 20d65430e63c Fixed OpenGL state issue reported by Dmytro Bogovych Sam Lantinga <slouken@libsdl.org> parents: 3013 diff changeset	1037 renderdata->glDisable(data->type);
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1038 result = renderdata->glGetError();
1924 69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	1039 if (result != GL_NO_ERROR) {
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	1040 GL_SetError("glTexSubImage2D()", result);
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	1041 return -1;
69217fdd2c0a If the OpenGL renderer is selected for a non-OpenGL window, recreate the window with OpenGL enabled. Sam Lantinga <slouken@libsdl.org> parents: 1923 diff changeset	1042 }
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1043 return 0;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1044 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1045
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1046 static int
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1047 GL_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1048 const SDL_Rect * rect, int markDirty, void **pixels,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1049 int *pitch)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1050 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1051 GL_TextureData data = (GL_TextureData ) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1052
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1053 if (markDirty) {
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1054 SDL_AddDirtyRect(&data->dirty, rect);
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1055 }
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1056
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1057 *pixels =
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1058 (void ) ((Uint8 ) data->pixels + rect->y * data->pitch +
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1059 rect->x * bytes_per_pixel(texture->format));
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1060 *pitch = data->pitch;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1061 return 0;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1062 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1063
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1064 static void
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1065 GL_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1066 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1067 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1068
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1069 static void
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1070 GL_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture, int numrects,
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1071 const SDL_Rect * rects)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1072 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1073 GL_TextureData data = (GL_TextureData ) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1074 int i;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1075
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1076 for (i = 0; i < numrects; ++i) {
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1077 SDL_AddDirtyRect(&data->dirty, &rects[i]);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1078 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1079 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1080
2936 066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1081 static void
3458 0aed0755d1f1 Mike Gorchak to Sam Sam Lantinga <slouken@libsdl.org> parents: 3457 diff changeset	1082 GL_SetBlendMode(GL_RenderData * data, int blendMode, int isprimitive)
2936 066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1083 {
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1084 if (blendMode != data->blendMode) {
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1085 switch (blendMode) {
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1086 case SDL_BLENDMODE_NONE:
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1087 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1088 data->glDisable(GL_BLEND);
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1089 break;
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1090 case SDL_BLENDMODE_MASK:
3458 0aed0755d1f1 Mike Gorchak to Sam Sam Lantinga <slouken@libsdl.org> parents: 3457 diff changeset	1091 if (isprimitive) {
0aed0755d1f1 Mike Gorchak to Sam Sam Lantinga <slouken@libsdl.org> parents: 3457 diff changeset	1092 /* The same as SDL_BLENDMODE_NONE */
0aed0755d1f1 Mike Gorchak to Sam Sam Lantinga <slouken@libsdl.org> parents: 3457 diff changeset	1093 blendMode = SDL_BLENDMODE_NONE;
0aed0755d1f1 Mike Gorchak to Sam Sam Lantinga <slouken@libsdl.org> parents: 3457 diff changeset	1094 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
0aed0755d1f1 Mike Gorchak to Sam Sam Lantinga <slouken@libsdl.org> parents: 3457 diff changeset	1095 data->glDisable(GL_BLEND);
0aed0755d1f1 Mike Gorchak to Sam Sam Lantinga <slouken@libsdl.org> parents: 3457 diff changeset	1096 } else {
0aed0755d1f1 Mike Gorchak to Sam Sam Lantinga <slouken@libsdl.org> parents: 3457 diff changeset	1097 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
0aed0755d1f1 Mike Gorchak to Sam Sam Lantinga <slouken@libsdl.org> parents: 3457 diff changeset	1098 data->glEnable(GL_BLEND);
0aed0755d1f1 Mike Gorchak to Sam Sam Lantinga <slouken@libsdl.org> parents: 3457 diff changeset	1099 data->glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
0aed0755d1f1 Mike Gorchak to Sam Sam Lantinga <slouken@libsdl.org> parents: 3457 diff changeset	1100 }
3457 06e948183b59 Found a way to implement mask semantics in OpenGL Sam Lantinga <slouken@libsdl.org> parents: 3455 diff changeset	1101 break;
2936 066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1102 case SDL_BLENDMODE_BLEND:
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1103 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1104 data->glEnable(GL_BLEND);
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1105 data->glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1106 break;
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1107 case SDL_BLENDMODE_ADD:
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1108 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1109 data->glEnable(GL_BLEND);
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1110 data->glBlendFunc(GL_SRC_ALPHA, GL_ONE);
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1111 break;
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1112 case SDL_BLENDMODE_MOD:
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1113 data->glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1114 data->glEnable(GL_BLEND);
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1115 data->glBlendFunc(GL_ZERO, GL_SRC_COLOR);
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1116 break;
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1117 }
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1118 data->blendMode = blendMode;
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1119 }
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1120 }
066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1121
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1122 static int
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1123 GL_RenderClear(SDL_Renderer * renderer)
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1124 {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1125 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1126
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1127 data->glClearColor((GLfloat) renderer->r * inv255f,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1128 (GLfloat) renderer->g * inv255f,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1129 (GLfloat) renderer->b * inv255f,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1130 (GLfloat) renderer->a * inv255f);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1131
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1132 data->glClear(GL_COLOR_BUFFER_BIT);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1133
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1134 return 0;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1135 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1136
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1137 static int
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1138 GL_RenderDrawPoints(SDL_Renderer * renderer, const SDL_Point * points,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1139 int count)
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1140 {
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1141 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1142 int i;
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1143
3458 0aed0755d1f1 Mike Gorchak to Sam Sam Lantinga <slouken@libsdl.org> parents: 3457 diff changeset	1144 GL_SetBlendMode(data, renderer->blendMode, 1);
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1145
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1146 data->glColor4f((GLfloat) renderer->r * inv255f,
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1147 (GLfloat) renderer->g * inv255f,
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1148 (GLfloat) renderer->b * inv255f,
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1149 (GLfloat) renderer->a * inv255f);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1150
2901 133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1151 data->glBegin(GL_POINTS);
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1152 for (i = 0; i < count; ++i) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1153 data->glVertex2f(0.5f + points[i].x, 0.5f + points[i].y);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1154 }
2901 133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1155 data->glEnd();
133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1156
133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1157 return 0;
133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1158 }
133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1159
133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1160 static int
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1161 GL_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1162 int count)
2901 133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1163 {
133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1164 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1165 int i;
2901 133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1166
3458 0aed0755d1f1 Mike Gorchak to Sam Sam Lantinga <slouken@libsdl.org> parents: 3457 diff changeset	1167 GL_SetBlendMode(data, renderer->blendMode, 1);
2901 133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1168
133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1169 data->glColor4f((GLfloat) renderer->r * inv255f,
133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1170 (GLfloat) renderer->g * inv255f,
133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1171 (GLfloat) renderer->b * inv255f,
133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1172 (GLfloat) renderer->a * inv255f);
133601e3b255 Added RenderPiont() API Sam Lantinga <slouken@libsdl.org> parents: 2893 diff changeset	1173
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1174 if (count > 2 &&
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1175 points[0].x == points[count-1].x && points[0].y == points[count-1].y) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1176 data->glBegin(GL_LINE_LOOP);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1177 /* GL_LINE_LOOP takes care of the final segment */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1178 --count;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1179 for (i = 0; i < count; ++i) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1180 data->glVertex2f(0.5f + points[i].x, 0.5f + points[i].y);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1181 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1182 data->glEnd();
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1183 } else {
4910 f205711f73d5 Fix and rename VS2010 project files, add tests to VS2010 solution, fix VS compiler warning Andreas Schiffler <aschiffler@ferzkopp.net> parents: 4905 diff changeset	1184 #if defined(__APPLE__) \|\| defined(__WIN32__)
f205711f73d5 Fix and rename VS2010 project files, add tests to VS2010 solution, fix VS compiler warning Andreas Schiffler <aschiffler@ferzkopp.net> parents: 4905 diff changeset	1185 #else
4905 9779093454d2 This fixes SDL_renderer_gl so that it builds with c89. Sam Lantinga <slouken@libsdl.org> parents: 4455 diff changeset	1186 int x1, y1, x2, y2;
4910 f205711f73d5 Fix and rename VS2010 project files, add tests to VS2010 solution, fix VS compiler warning Andreas Schiffler <aschiffler@ferzkopp.net> parents: 4905 diff changeset	1187 #endif
4905 9779093454d2 This fixes SDL_renderer_gl so that it builds with c89. Sam Lantinga <slouken@libsdl.org> parents: 4455 diff changeset	1188
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1189 data->glBegin(GL_LINE_STRIP);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1190 for (i = 0; i < count; ++i) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1191 data->glVertex2f(0.5f + points[i].x, 0.5f + points[i].y);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1192 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1193 data->glEnd();
3474 1edb86163d62 Of COURSE that trick wouldn't work on all renderers. Fall back to something for now, hopefully figure out a better way to do this later. Sam Lantinga <slouken@libsdl.org> parents: 3473 diff changeset	1194
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1195 /* The line is half open, so we need one more point to complete it.
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1196 * http://www.opengl.org/documentation/specs/version1.1/glspec1.1/node47.html
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1197 * If we have to, we can use vertical line and horizontal line textures
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1198 * for vertical and horizontal lines, and then create custom textures
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1199 * for diagonal lines and software render those. It's terrible, but at
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1200 * least it would be pixel perfect.
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1201 */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1202 data->glBegin(GL_POINTS);
3533 40b9b0177e9a This fixes the OpenGL rendering test, at least with my ATI card... Sam Lantinga <slouken@libsdl.org> parents: 3520 diff changeset	1203 #if defined(__APPLE__) \|\| defined(__WIN32__)
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1204 /* Mac OS X and Windows seem to always leave the second point open */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1205 data->glVertex2f(0.5f + points[count-1].x, 0.5f + points[count-1].y);
3474 1edb86163d62 Of COURSE that trick wouldn't work on all renderers. Fall back to something for now, hopefully figure out a better way to do this later. Sam Lantinga <slouken@libsdl.org> parents: 3473 diff changeset	1206 #else
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1207 /* Linux seems to leave the right-most or bottom-most point open */
4905 9779093454d2 This fixes SDL_renderer_gl so that it builds with c89. Sam Lantinga <slouken@libsdl.org> parents: 4455 diff changeset	1208 x1 = points[0].x;
9779093454d2 This fixes SDL_renderer_gl so that it builds with c89. Sam Lantinga <slouken@libsdl.org> parents: 4455 diff changeset	1209 y1 = points[0].y;
9779093454d2 This fixes SDL_renderer_gl so that it builds with c89. Sam Lantinga <slouken@libsdl.org> parents: 4455 diff changeset	1210 x2 = points[count-1].x;
9779093454d2 This fixes SDL_renderer_gl so that it builds with c89. Sam Lantinga <slouken@libsdl.org> parents: 4455 diff changeset	1211 y2 = points[count-1].y;
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1212
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1213 if (x1 > x2) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1214 data->glVertex2f(0.5f + x1, 0.5f + y1);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1215 } else if (x2 > x1) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1216 data->glVertex2f(0.5f + x2, 0.5f + y2);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1217 } else if (y1 > y2) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1218 data->glVertex2f(0.5f + x1, 0.5f + y1);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1219 } else if (y2 > y1) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1220 data->glVertex2f(0.5f + x2, 0.5f + y2);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1221 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1222 #endif
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1223 data->glEnd();
3474 1edb86163d62 Of COURSE that trick wouldn't work on all renderers. Fall back to something for now, hopefully figure out a better way to do this later. Sam Lantinga <slouken@libsdl.org> parents: 3473 diff changeset	1224 }
3455 5a7b5760c875 Include the endpoint in the line we're drawing Sam Lantinga <slouken@libsdl.org> parents: 3454 diff changeset	1225
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1226 return 0;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1227 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1228
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1229 static int
3596 f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1230 GL_RenderDrawRects(SDL_Renderer * renderer, const SDL_Rect ** rects, int count)
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1231 {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1232 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1233 int i, x, y;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1234
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1235 GL_SetBlendMode(data, renderer->blendMode, 1);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1236
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1237 data->glColor4f((GLfloat) renderer->r * inv255f,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1238 (GLfloat) renderer->g * inv255f,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1239 (GLfloat) renderer->b * inv255f,
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1240 (GLfloat) renderer->a * inv255f);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1241
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1242 data->glBegin(GL_LINE_LOOP);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1243 for (i = 0; i < count; ++i) {
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1244 const SDL_Rect *rect = rects[i];
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1245
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1246 x = rect->x;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1247 y = rect->y;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1248 data->glVertex2f(0.5f + x, 0.5f + y);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1249
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1250 x = rect->x+rect->w-1;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1251 y = rect->y;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1252 data->glVertex2f(0.5f + x, 0.5f + y);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1253
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1254 x = rect->x+rect->w-1;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1255 y = rect->y+rect->h-1;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1256 data->glVertex2f(0.5f + x, 0.5f + y);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1257
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1258 x = rect->x;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1259 y = rect->y+rect->h-1;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1260 data->glVertex2f(0.5f + x, 0.5f + y);
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1261 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1262 data->glEnd();
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1263
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1264 return 0;
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1265 }
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1266
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1267 static int
f638ded38b8a Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color. Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	1268 GL_RenderFillRects(SDL_Renderer * renderer, const SDL_Rect ** rects, int count)
2925 7e21f7662208 Swapped functions to match the other renderer files Sam Lantinga <slouken@libsdl.org> parents: 2922 diff changeset	1269 {
7e21f7662208 Swapped functions to match the other renderer files Sam Lantinga <slouken@libsdl.org> parents: 2922 diff changeset	1270 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1271 int i;
2925 7e21f7662208 Swapped functions to match the other renderer files Sam Lantinga <slouken@libsdl.org> parents: 2922 diff changeset	1272
3458 0aed0755d1f1 Mike Gorchak to Sam Sam Lantinga <slouken@libsdl.org> parents: 3457 diff changeset	1273 GL_SetBlendMode(data, renderer->blendMode, 1);
2936 066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1274
2925 7e21f7662208 Swapped functions to match the other renderer files Sam Lantinga <slouken@libsdl.org> parents: 2922 diff changeset	1275 data->glColor4f((GLfloat) renderer->r * inv255f,
7e21f7662208 Swapped functions to match the other renderer files Sam Lantinga <slouken@libsdl.org> parents: 2922 diff changeset	1276 (GLfloat) renderer->g * inv255f,
7e21f7662208 Swapped functions to match the other renderer files Sam Lantinga <slouken@libsdl.org> parents: 2922 diff changeset	1277 (GLfloat) renderer->b * inv255f,
7e21f7662208 Swapped functions to match the other renderer files Sam Lantinga <slouken@libsdl.org> parents: 2922 diff changeset	1278 (GLfloat) renderer->a * inv255f);
2936 066384910f50 iPhone build compiles again (drawing routines need to be implemented) Sam Lantinga <slouken@libsdl.org> parents: 2927 diff changeset	1279
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1280 for (i = 0; i < count; ++i) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1281 const SDL_Rect *rect = rects[i];
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1282
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1283 data->glRecti(rect->x, rect->y, rect->x + rect->w, rect->y + rect->h);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 3533 diff changeset	1284 }
2925 7e21f7662208 Swapped functions to match the other renderer files Sam Lantinga <slouken@libsdl.org> parents: 2922 diff changeset	1285
7e21f7662208 Swapped functions to match the other renderer files Sam Lantinga <slouken@libsdl.org> parents: 2922 diff changeset	1286 return 0;
7e21f7662208 Swapped functions to match the other renderer files Sam Lantinga <slouken@libsdl.org> parents: 2922 diff changeset	1287 }
7e21f7662208 Swapped functions to match the other renderer files Sam Lantinga <slouken@libsdl.org> parents: 2922 diff changeset	1288
7e21f7662208 Swapped functions to match the other renderer files Sam Lantinga <slouken@libsdl.org> parents: 2922 diff changeset	1289 static int
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1290 GL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1291 const SDL_Rect * srcrect, const SDL_Rect * dstrect)
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1292 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1293 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1294 GL_TextureData texturedata = (GL_TextureData ) texture->driverdata;
3468 789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1295 GLuint shader = 0;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1296 int minx, miny, maxx, maxy;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1297 GLfloat minu, maxu, minv, maxv;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1298
2275 12ea0fdc0df2 Split out the SDL_rect and SDL_surface functions into their own headers. Sam Lantinga <slouken@libsdl.org> parents: 2246 diff changeset	1299 if (texturedata->dirty.list) {
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1300 SDL_DirtyRect *dirty;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1301 void *pixels;
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1302 int bpp = bytes_per_pixel(texture->format);
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1303 int pitch = texturedata->pitch;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1304
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1305 SetupTextureUpdate(data, texture, pitch);
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1306 data->glEnable(texturedata->type);
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1307 data->glBindTexture(texturedata->type, texturedata->texture);
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1308 for (dirty = texturedata->dirty.list; dirty; dirty = dirty->next) {
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1309 SDL_Rect *rect = &dirty->rect;
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1310 pixels =
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1311 (void ) ((Uint8 ) texturedata->pixels + rect->y * pitch +
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1312 rect->x * bpp);
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1313 data->glTexSubImage2D(texturedata->type, 0, rect->x, rect->y,
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1314 rect->w / texturedata->HACK_RYAN_FIXME,
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1315 rect->h, texturedata->format,
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1316 texturedata->formattype, pixels);
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1317 }
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1318 SDL_ClearDirtyRects(&texturedata->dirty);
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1319 }
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1320
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1321 minx = dstrect->x;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1322 miny = dstrect->y;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1323 maxx = dstrect->x + dstrect->w;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1324 maxy = dstrect->y + dstrect->h;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1325
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1326 minu = (GLfloat) srcrect->x / texture->w;
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1327 minu *= texturedata->texw;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1328 maxu = (GLfloat) (srcrect->x + srcrect->w) / texture->w;
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1329 maxu *= texturedata->texw;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1330 minv = (GLfloat) srcrect->y / texture->h;
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1331 minv *= texturedata->texh;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1332 maxv = (GLfloat) (srcrect->y + srcrect->h) / texture->h;
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1333 maxv *= texturedata->texh;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1334
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1335 data->glEnable(texturedata->type);
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1336 data->glBindTexture(texturedata->type, texturedata->texture);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1337
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1338 if (texture->modMode) {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1339 data->glColor4f((GLfloat) texture->r * inv255f,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1340 (GLfloat) texture->g * inv255f,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1341 (GLfloat) texture->b * inv255f,
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1342 (GLfloat) texture->a * inv255f);
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1343 } else {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1344 data->glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1345 }
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1346
3458 0aed0755d1f1 Mike Gorchak to Sam Sam Lantinga <slouken@libsdl.org> parents: 3457 diff changeset	1347 GL_SetBlendMode(data, texture->blendMode, 0);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1348
3468 789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1349 /* Set up the shader for the copy, we have a special one for MASK */
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1350 shader = texturedata->shader;
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1351 if (texture->blendMode == SDL_BLENDMODE_MASK && !shader) {
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1352 if (data->fragment_program_mask == 0) {
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1353 data->fragment_program_mask =
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1354 compile_shader(data, GL_FRAGMENT_PROGRAM_ARB,
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1355 fragment_program_mask_source_code);
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1356 if (data->fragment_program_mask == 0) {
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1357 /* That's okay, we'll just miss some of the blend semantics */
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1358 data->fragment_program_mask = ~0;
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1359 }
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1360 }
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1361 if (data->fragment_program_mask != ~0) {
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1362 shader = data->fragment_program_mask;
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1363 }
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1364 }
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1365
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1366 if (texture->scaleMode != data->scaleMode) {
8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1367 switch (texture->scaleMode) {
4929 aa8888658021 Use the enumerated type for blend and scale mode instead of int Sam Lantinga <slouken@libsdl.org> parents: 4910 diff changeset	1368 case SDL_SCALEMODE_NONE:
aa8888658021 Use the enumerated type for blend and scale mode instead of int Sam Lantinga <slouken@libsdl.org> parents: 4910 diff changeset	1369 case SDL_SCALEMODE_FAST:
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1370 data->glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER,
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1371 GL_NEAREST);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1372 data->glTexParameteri(texturedata->type, GL_TEXTURE_MAG_FILTER,
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1373 GL_NEAREST);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1374 break;
4929 aa8888658021 Use the enumerated type for blend and scale mode instead of int Sam Lantinga <slouken@libsdl.org> parents: 4910 diff changeset	1375 case SDL_SCALEMODE_SLOW:
aa8888658021 Use the enumerated type for blend and scale mode instead of int Sam Lantinga <slouken@libsdl.org> parents: 4910 diff changeset	1376 case SDL_SCALEMODE_BEST:
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1377 data->glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER,
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1378 GL_LINEAR);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1379 data->glTexParameteri(texturedata->type, GL_TEXTURE_MAG_FILTER,
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1380 GL_LINEAR);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1381 break;
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1382 }
1985 8055185ae4ed Added source color and alpha modulation support. Sam Lantinga <slouken@libsdl.org> parents: 1975 diff changeset	1383 data->scaleMode = texture->scaleMode;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1384 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1385
3468 789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1386 if (shader) {
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1387 data->glEnable(GL_FRAGMENT_PROGRAM_ARB);
3468 789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1388 data->glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, shader);
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1389 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1390
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1391 data->glBegin(GL_TRIANGLE_STRIP);
aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1392 data->glTexCoord2f(minu, minv);
3472 fdd2f2e9cd97 Fixed the coordinates for pixel coverage in blits Sam Lantinga <slouken@libsdl.org> parents: 3470 diff changeset	1393 data->glVertex2f((GLfloat) minx, (GLfloat) miny);
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1394 data->glTexCoord2f(maxu, minv);
3472 fdd2f2e9cd97 Fixed the coordinates for pixel coverage in blits Sam Lantinga <slouken@libsdl.org> parents: 3470 diff changeset	1395 data->glVertex2f((GLfloat) maxx, (GLfloat) miny);
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1396 data->glTexCoord2f(minu, maxv);
3472 fdd2f2e9cd97 Fixed the coordinates for pixel coverage in blits Sam Lantinga <slouken@libsdl.org> parents: 3470 diff changeset	1397 data->glVertex2f((GLfloat) minx, (GLfloat) maxy);
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1398 data->glTexCoord2f(maxu, maxv);
3472 fdd2f2e9cd97 Fixed the coordinates for pixel coverage in blits Sam Lantinga <slouken@libsdl.org> parents: 3470 diff changeset	1399 data->glVertex2f((GLfloat) maxx, (GLfloat) maxy);
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1400 data->glEnd();
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1401
3468 789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1402 if (shader) {
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1403 data->glDisable(GL_FRAGMENT_PROGRAM_ARB);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1404 }
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1405
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1406 data->glDisable(texturedata->type);
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1407
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1408 return 0;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1409 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1410
3431 c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface Sam Lantinga <slouken@libsdl.org> parents: 3393 diff changeset	1411 static int
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface Sam Lantinga <slouken@libsdl.org> parents: 3393 diff changeset	1412 GL_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
3435 9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1413 Uint32 pixel_format, void * pixels, int pitch)
3431 c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface Sam Lantinga <slouken@libsdl.org> parents: 3393 diff changeset	1414 {
3433 ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	1415 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
3685 64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance. Sam Lantinga <slouken@libsdl.org> parents: 3607 diff changeset	1416 SDL_Window *window = renderer->window;
3433 ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	1417 GLint internalFormat;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	1418 GLenum format, type;
3435 9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1419 Uint8 src, dst, *tmp;
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1420 int length, rows;
3433 ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	1421
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	1422 if (!convert_format(data, pixel_format, &internalFormat, &format, &type)) {
3435 9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1423 /* FIXME: Do a temp copy to a format that is supported */
3433 ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	1424 SDL_SetError("Unsupported pixel format");
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	1425 return -1;
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	1426 }
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	1427
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	1428 if (pixel_format == SDL_PIXELFORMAT_INDEX1LSB) {
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	1429 data->glPixelStorei(GL_PACK_LSB_FIRST, 1);
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	1430 } else if (pixel_format == SDL_PIXELFORMAT_INDEX1MSB) {
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	1431 data->glPixelStorei(GL_PACK_LSB_FIRST, 0);
ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	1432 }
3446 0f969d273f65 First pass (untested) at RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3443 diff changeset	1433 data->glPixelStorei(GL_PACK_ALIGNMENT, 1);
0f969d273f65 First pass (untested) at RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3443 diff changeset	1434 data->glPixelStorei(GL_PACK_ROW_LENGTH,
0f969d273f65 First pass (untested) at RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3443 diff changeset	1435 (pitch / bytes_per_pixel(pixel_format)));
3433 ad845d9835aa Hmm, this isn't going to work, is it? Sam Lantinga <slouken@libsdl.org> parents: 3431 diff changeset	1436
3447 294b770c1989 Fixed GL_RenderReadPixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3446 diff changeset	1437 data->glReadPixels(rect->x, (window->h-rect->y)-rect->h, rect->w, rect->h,
3435 9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1438 format, type, pixels);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1439
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1440 /* Flip the rows to be top-down */
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1441 length = rect->w * bytes_per_pixel(pixel_format);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1442 src = (Uint8)pixels + (rect->h-1)pitch;
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1443 dst = (Uint8*)pixels;
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1444 tmp = SDL_stack_alloc(Uint8, length);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1445 rows = rect->h / 2;
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1446 while (rows--) {
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1447 SDL_memcpy(tmp, dst, length);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1448 SDL_memcpy(dst, src, length);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1449 SDL_memcpy(src, tmp, length);
3447 294b770c1989 Fixed GL_RenderReadPixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3446 diff changeset	1450 dst += pitch;
294b770c1989 Fixed GL_RenderReadPixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3446 diff changeset	1451 src -= pitch;
3435 9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1452 }
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1453 SDL_stack_free(tmp);
3440 e9502d56ae94 Added missing return values Sam Lantinga <slouken@libsdl.org> parents: 3435 diff changeset	1454
e9502d56ae94 Added missing return values Sam Lantinga <slouken@libsdl.org> parents: 3435 diff changeset	1455 return 0;
3431 c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface Sam Lantinga <slouken@libsdl.org> parents: 3393 diff changeset	1456 }
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface Sam Lantinga <slouken@libsdl.org> parents: 3393 diff changeset	1457
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface Sam Lantinga <slouken@libsdl.org> parents: 3393 diff changeset	1458 static int
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface Sam Lantinga <slouken@libsdl.org> parents: 3393 diff changeset	1459 GL_RenderWritePixels(SDL_Renderer * renderer, const SDL_Rect * rect,
3435 9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1460 Uint32 pixel_format, const void * pixels, int pitch)
3431 c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface Sam Lantinga <slouken@libsdl.org> parents: 3393 diff changeset	1461 {
3435 9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1462 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
3685 64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance. Sam Lantinga <slouken@libsdl.org> parents: 3607 diff changeset	1463 SDL_Window *window = renderer->window;
3435 9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1464 GLint internalFormat;
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1465 GLenum format, type;
3607 8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1466 Uint8 src, dst, *tmp;
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1467 int length, rows;
3435 9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1468
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1469 if (!convert_format(data, pixel_format, &internalFormat, &format, &type)) {
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1470 /* FIXME: Do a temp copy to a format that is supported */
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1471 SDL_SetError("Unsupported pixel format");
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1472 return -1;
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1473 }
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1474
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1475 if (pixel_format == SDL_PIXELFORMAT_INDEX1LSB) {
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1476 data->glPixelStorei(GL_UNPACK_LSB_FIRST, 1);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1477 } else if (pixel_format == SDL_PIXELFORMAT_INDEX1MSB) {
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1478 data->glPixelStorei(GL_UNPACK_LSB_FIRST, 0);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1479 }
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1480 data->glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1481 data->glPixelStorei(GL_UNPACK_ROW_LENGTH,
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1482 (pitch / bytes_per_pixel(pixel_format)));
9f62f47d989b You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels() Sam Lantinga <slouken@libsdl.org> parents: 3433 diff changeset	1483
3607 8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1484 /* Flip the rows to be bottom-up */
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1485 length = rect->h * rect->w * pitch;
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1486 tmp = SDL_stack_alloc(Uint8, length);
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1487 src = (Uint8)pixels + (rect->h-1)pitch;
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1488 dst = (Uint8*)tmp;
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1489 rows = rect->h;
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1490 while (rows--) {
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1491 SDL_memcpy(dst, src, pitch);
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1492 dst += pitch;
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1493 src -= pitch;
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1494 }
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1495
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1496 data->glRasterPos2i(rect->x, (window->h-rect->y));
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1497 data->glDrawPixels(rect->w, rect->h, format, type, tmp);
8b4c0320638e Fixed GL_RenderWritePixels() - thanks Ryan! Sam Lantinga <slouken@libsdl.org> parents: 3599 diff changeset	1498 SDL_stack_free(tmp);
3440 e9502d56ae94 Added missing return values Sam Lantinga <slouken@libsdl.org> parents: 3435 diff changeset	1499
e9502d56ae94 Added missing return values Sam Lantinga <slouken@libsdl.org> parents: 3435 diff changeset	1500 return 0;
3431 c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface Sam Lantinga <slouken@libsdl.org> parents: 3393 diff changeset	1501 }
c8fbb27627d9 Work in progress on OpenGL ReadPixels/WritePixels interface Sam Lantinga <slouken@libsdl.org> parents: 3393 diff changeset	1502
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1503 static void
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1504 GL_RenderPresent(SDL_Renderer * renderer)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1505 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1506 SDL_GL_SwapWindow(renderer->window);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1507 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1508
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1509 static void
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1510 GL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1511 {
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1512 GL_RenderData renderdata = (GL_RenderData ) renderer->driverdata;
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1513 GL_TextureData data = (GL_TextureData ) texture->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1514
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1515 if (!data) {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1516 return;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1517 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1518 if (data->texture) {
1927 aeb8263d377a OpenGL renderer is feature complete! Sam Lantinga <slouken@libsdl.org> parents: 1926 diff changeset	1519 renderdata->glDeleteTextures(1, &data->texture);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1520 }
1974 70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	1521 if (data->palette) {
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	1522 SDL_free(data->palette);
70deaf574153 Added paletted OpenGL texture support. Sam Lantinga <slouken@libsdl.org> parents: 1970 diff changeset	1523 }
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1524 if (data->pixels) {
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1525 SDL_free(data->pixels);
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1526 }
8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1527 SDL_FreeDirtyRects(&data->dirty);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1528 SDL_free(data);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1529 texture->driverdata = NULL;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1530 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1531
1975 ccef0d0c40c6 Added resize support for GDI and Direct3D renderers Sam Lantinga <slouken@libsdl.org> parents: 1974 diff changeset	1532 static void
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1533 GL_DestroyRenderer(SDL_Renderer * renderer)
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1534 {
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1535 GL_RenderData data = (GL_RenderData ) renderer->driverdata;
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1536
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1537 if (data) {
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1538 if (data->context) {
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1539 if (data->GL_ARB_fragment_program_supported) {
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1540 data->glDisable(GL_FRAGMENT_PROGRAM_ARB);
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1541 data->glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, 0);
3468 789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1542 if (data->fragment_program_mask &&
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1543 data->fragment_program_mask != ~0) {
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1544 data->glDeleteProgramsARB(1,
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1545 &data->fragment_program_mask);
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1546 }
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1547 if (data->fragment_program_UYVY &&
789b97008d8a My first OpenGL shader! Momma will be so proud! Sam Lantinga <slouken@libsdl.org> parents: 3458 diff changeset	1548 data->fragment_program_UYVY != ~0) {
2884 9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1549 data->glDeleteProgramsARB(1,
9dde605c7540 Date: Fri, 19 Dec 2008 20:17:35 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2858 diff changeset	1550 &data->fragment_program_UYVY);
2835 f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1551 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1552 }
f38257b5d936 Initial pixel shader support for YUV textures in the GL renderer. Ryan C. Gordon <icculus@icculus.org> parents: 2833 diff changeset	1553
2328 91e601d9df8b re: bug#563. checking in some commented out trace code and a fix so that the in testalpha.c the background only flashes when alpha == 255. The problem that is being Bob Pendleton <bob@pendleton.com> parents: 2295 diff changeset	1554 /* SDL_GL_MakeCurrent(0, NULL); // doesn't do anything */
1920 8a162bfdc838 Convert SDL_malloc to SDL_calloc if appropriate, slightly faster on operating systems which map the zero page for memory allocations. Sam Lantinga <slouken@libsdl.org> parents: 1919 diff changeset	1555 SDL_GL_DeleteContext(data->context);
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1556 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1557 SDL_free(data);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1558 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1559 SDL_free(renderer);
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1560 }
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1561
1952 420716272158 Implemented X11 OpenGL support. Sam Lantinga <slouken@libsdl.org> parents: 1928 diff changeset	1562 #endif /* SDL_VIDEO_RENDER_OGL */
1918 092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1563
092bd3a019c5 Starting on the OpenGL renderer... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1564 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/video/SDL_renderer_gl.c @ 5004:0c72ae7b7cb2