Mercurial > sdl-ios-xcode
annotate src/video/SDL_renderer_gl.c @ 1926:307355678142
Added SDL_GL_ExtensionSupported()
Use GL_ARB_texture_rectangle in the OpenGL renderer, if supported.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Sat, 22 Jul 2006 21:58:17 +0000 |
parents | 69217fdd2c0a |
children | aeb8263d377a |
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 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
3 Copyright (C) 1997-2006 Sam Lantinga |
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 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
24 #if SDL_VIDEO_OPENGL |
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 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
33 /* OpenGL renderer implementation */ |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
34 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
35 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
|
36 static int GL_ActivateRenderer(SDL_Renderer * renderer); |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
37 static int GL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
38 static int GL_SetTexturePalette(SDL_Renderer * renderer, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
39 SDL_Texture * texture, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
40 const SDL_Color * colors, int firstcolor, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
41 int ncolors); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
42 static int GL_GetTexturePalette(SDL_Renderer * renderer, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
43 SDL_Texture * texture, SDL_Color * colors, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
44 int firstcolor, int ncolors); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
45 static int GL_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
46 const SDL_Rect * rect, const void *pixels, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
47 int pitch); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
48 static int GL_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
49 const SDL_Rect * rect, int markDirty, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
50 void **pixels, int *pitch); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
51 static void GL_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
52 static void GL_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
53 int numrects, const SDL_Rect * rects); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
54 static int GL_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
55 Uint32 color); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
56 static int GL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
57 const SDL_Rect * srcrect, const SDL_Rect * dstrect, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
58 int blendMode, int scaleMode); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
59 static void GL_RenderPresent(SDL_Renderer * renderer); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
60 static void GL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
61 static void GL_DestroyRenderer(SDL_Renderer * renderer); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
62 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
63 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
64 SDL_RenderDriver GL_RenderDriver = { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
65 GL_CreateRenderer, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
66 { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
67 "opengl", |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
68 (SDL_Renderer_PresentDiscard | SDL_Renderer_PresentVSync | |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
69 SDL_Renderer_Accelerated), |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
70 (SDL_TextureBlendMode_None | SDL_TextureBlendMode_Mask | |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
71 SDL_TextureBlendMode_Blend | SDL_TextureBlendMode_Add | |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
72 SDL_TextureBlendMode_Mod), |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
73 (SDL_TextureScaleMode_None | SDL_TextureScaleMode_Fast | |
1921
f3399f779a1d
Bug fixes to the OpenGL renderer
Sam Lantinga <slouken@libsdl.org>
parents:
1920
diff
changeset
|
74 SDL_TextureScaleMode_Slow), |
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
|
75 16, |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
76 { |
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
|
77 SDL_PixelFormat_Index1LSB, |
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
|
78 SDL_PixelFormat_Index1MSB, |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
79 SDL_PixelFormat_Index8, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
80 SDL_PixelFormat_RGB332, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
81 SDL_PixelFormat_RGB444, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
82 SDL_PixelFormat_RGB555, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
83 SDL_PixelFormat_ARGB4444, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
84 SDL_PixelFormat_ARGB1555, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
85 SDL_PixelFormat_RGB565, |
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
|
86 SDL_PixelFormat_RGB24, |
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
|
87 SDL_PixelFormat_BGR24, |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
88 SDL_PixelFormat_RGB888, |
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
|
89 SDL_PixelFormat_BGR888, |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
90 SDL_PixelFormat_ARGB8888, |
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
|
91 SDL_PixelFormat_ABGR8888, |
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
|
92 SDL_PixelFormat_ARGB2101010}, |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
93 0, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
94 0} |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
95 }; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
96 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
97 typedef struct |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
98 { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
99 SDL_GLContext context; |
1926
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
100 SDL_bool GL_ARB_texture_rectangle_supported; |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
101 } GL_RenderData; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
102 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
103 typedef struct |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
104 { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
105 GLuint 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
|
106 GLenum type; |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
107 GLfloat texw; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
108 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
|
109 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
|
110 GLenum formattype; |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
111 void *pixels; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
112 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
|
113 SDL_DirtyRectList dirty; |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
114 } GL_TextureData; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
115 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
116 |
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
|
117 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
|
118 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
|
119 { |
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
|
120 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
|
121 |
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
|
122 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
|
123 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
|
124 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
|
125 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
|
126 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
|
127 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
|
128 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
|
129 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
|
130 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
|
131 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
|
132 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
|
133 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
|
134 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
|
135 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
|
136 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
|
137 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
|
138 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
|
139 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
|
140 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
|
141 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
|
142 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
|
143 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
|
144 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
|
145 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
|
146 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
|
147 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
|
148 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
|
149 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
|
150 } |
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
|
151 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
|
152 } |
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
|
153 |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
154 void |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
155 GL_AddRenderDriver(_THIS) |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
156 { |
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
|
157 if (_this->GL_CreateContext) { |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
158 SDL_AddRenderDriver(0, &GL_RenderDriver); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
159 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
160 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
161 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
162 SDL_Renderer * |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
163 GL_CreateRenderer(SDL_Window * window, Uint32 flags) |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
164 { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
165 SDL_Renderer *renderer; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
166 GL_RenderData *data; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
167 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
168 if (!(window->flags & SDL_WINDOW_OPENGL)) { |
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
|
169 window->flags |= SDL_WINDOW_OPENGL; |
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
|
170 if (SDL_RecreateWindow(window) < 0) { |
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
|
171 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
|
172 } |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
173 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
174 |
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
|
175 renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer)); |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
176 if (!renderer) { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
177 SDL_OutOfMemory(); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
178 return NULL; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
179 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
180 |
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
|
181 data = (GL_RenderData *) SDL_calloc(1, sizeof(*data)); |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
182 if (!data) { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
183 GL_DestroyRenderer(renderer); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
184 SDL_OutOfMemory(); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
185 return NULL; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
186 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
187 |
1923
d4572b97b08f
Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents:
1922
diff
changeset
|
188 renderer->ActivateRenderer = GL_ActivateRenderer; |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
189 renderer->CreateTexture = GL_CreateTexture; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
190 renderer->SetTexturePalette = GL_SetTexturePalette; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
191 renderer->GetTexturePalette = GL_GetTexturePalette; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
192 renderer->UpdateTexture = GL_UpdateTexture; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
193 renderer->LockTexture = GL_LockTexture; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
194 renderer->UnlockTexture = GL_UnlockTexture; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
195 renderer->DirtyTexture = GL_DirtyTexture; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
196 renderer->RenderFill = GL_RenderFill; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
197 renderer->RenderCopy = GL_RenderCopy; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
198 renderer->RenderPresent = GL_RenderPresent; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
199 renderer->DestroyTexture = GL_DestroyTexture; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
200 renderer->DestroyRenderer = GL_DestroyRenderer; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
201 renderer->info = GL_RenderDriver.info; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
202 renderer->window = window->id; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
203 renderer->driverdata = data; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
204 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
205 renderer->info.flags = |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
206 (SDL_Renderer_PresentDiscard | SDL_Renderer_Accelerated); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
207 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
208 data->context = SDL_GL_CreateContext(window->id); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
209 if (!data->context) { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
210 GL_DestroyRenderer(renderer); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
211 return NULL; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
212 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
213 if (SDL_GL_MakeCurrent(window->id, data->context) < 0) { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
214 GL_DestroyRenderer(renderer); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
215 return NULL; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
216 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
217 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
218 if (flags & SDL_Renderer_PresentVSync) { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
219 SDL_GL_SetSwapInterval(1); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
220 } else { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
221 SDL_GL_SetSwapInterval(0); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
222 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
223 if (SDL_GL_GetSwapInterval() > 0) { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
224 renderer->info.flags |= SDL_Renderer_PresentVSync; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
225 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
226 |
1923
d4572b97b08f
Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents:
1922
diff
changeset
|
227 glGetIntegerv(GL_MAX_TEXTURE_SIZE, &renderer->info.max_texture_width); |
d4572b97b08f
Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents:
1922
diff
changeset
|
228 glGetIntegerv(GL_MAX_TEXTURE_SIZE, &renderer->info.max_texture_height); |
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
|
229 |
1926
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
230 if (SDL_GL_ExtensionSupported("GL_ARB_texture_rectangle") |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
231 || SDL_GL_ExtensionSupported("GL_EXT_texture_rectangle")) { |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
232 data->GL_ARB_texture_rectangle_supported = SDL_TRUE; |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
233 } |
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
|
234 |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
235 /* Set up parameters for rendering */ |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
236 glDisable(GL_DEPTH_TEST); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
237 glDisable(GL_CULL_FACE); |
1926
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
238 if (data->GL_ARB_texture_rectangle_supported) { |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
239 glEnable(GL_TEXTURE_RECTANGLE_ARB); |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
240 } else { |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
241 glEnable(GL_TEXTURE_2D); |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
242 } |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
243 glMatrixMode(GL_PROJECTION); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
244 glLoadIdentity(); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
245 glMatrixMode(GL_MODELVIEW); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
246 glLoadIdentity(); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
247 glViewport(0, 0, window->w, window->h); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
248 glOrtho(0.0, (GLdouble) window->w, (GLdouble) window->h, 0.0, 0.0, 1.0); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
249 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
250 return renderer; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
251 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
252 |
1923
d4572b97b08f
Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents:
1922
diff
changeset
|
253 static int |
d4572b97b08f
Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents:
1922
diff
changeset
|
254 GL_ActivateRenderer(SDL_Renderer * renderer) |
d4572b97b08f
Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents:
1922
diff
changeset
|
255 { |
d4572b97b08f
Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents:
1922
diff
changeset
|
256 GL_RenderData *data = (GL_RenderData *) renderer->driverdata; |
d4572b97b08f
Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents:
1922
diff
changeset
|
257 SDL_Window *window = SDL_GetWindowFromID(renderer->window); |
d4572b97b08f
Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents:
1922
diff
changeset
|
258 |
d4572b97b08f
Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents:
1922
diff
changeset
|
259 return SDL_GL_MakeCurrent(window->id, data->context); |
d4572b97b08f
Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents:
1922
diff
changeset
|
260 } |
d4572b97b08f
Switch OpenGL contexts when switching render contexts.
Sam Lantinga <slouken@libsdl.org>
parents:
1922
diff
changeset
|
261 |
1922
4905cac7a4bd
Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents:
1921
diff
changeset
|
262 static __inline__ int |
4905cac7a4bd
Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents:
1921
diff
changeset
|
263 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
|
264 { |
4905cac7a4bd
Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents:
1921
diff
changeset
|
265 int value = 1; |
4905cac7a4bd
Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents:
1921
diff
changeset
|
266 |
4905cac7a4bd
Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents:
1921
diff
changeset
|
267 while (value < input) { |
4905cac7a4bd
Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents:
1921
diff
changeset
|
268 value <<= 1; |
4905cac7a4bd
Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents:
1921
diff
changeset
|
269 } |
4905cac7a4bd
Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents:
1921
diff
changeset
|
270 return value; |
4905cac7a4bd
Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents:
1921
diff
changeset
|
271 } |
4905cac7a4bd
Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents:
1921
diff
changeset
|
272 |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
273 static int |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
274 GL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture) |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
275 { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
276 GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
277 SDL_Window *window = SDL_GetWindowFromID(renderer->window); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
278 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
|
279 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
|
280 GLenum format, type; |
1922
4905cac7a4bd
Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents:
1921
diff
changeset
|
281 int texture_w, texture_h; |
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
|
282 GLenum result; |
1918
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 switch (texture->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
|
285 case SDL_PixelFormat_Index1LSB: |
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
|
286 case SDL_PixelFormat_Index1MSB: |
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
|
287 internalFormat = GL_RGB; |
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
|
288 format = GL_COLOR_INDEX; |
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
|
289 type = GL_BITMAP; |
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 break; |
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
|
291 case SDL_PixelFormat_Index8: |
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
|
292 internalFormat = GL_RGB; |
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
|
293 format = GL_COLOR_INDEX; |
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
|
294 type = GL_UNSIGNED_BYTE; |
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
|
295 break; |
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
|
296 case SDL_PixelFormat_RGB332: |
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
|
297 internalFormat = GL_R3_G3_B2; |
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
|
298 format = GL_RGB; |
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
|
299 type = GL_UNSIGNED_BYTE_3_3_2; |
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
|
300 break; |
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
|
301 case SDL_PixelFormat_RGB444: |
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
|
302 internalFormat = GL_RGB4; |
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
|
303 format = GL_RGB; |
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
|
304 type = GL_UNSIGNED_SHORT_4_4_4_4; |
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
|
305 break; |
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
|
306 case SDL_PixelFormat_RGB555: |
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
|
307 internalFormat = GL_RGB5; |
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
|
308 format = GL_RGB; |
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
|
309 type = GL_UNSIGNED_SHORT_5_5_5_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
|
310 break; |
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
|
311 case SDL_PixelFormat_ARGB4444: |
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
|
312 internalFormat = GL_RGBA4; |
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
|
313 format = GL_BGRA; |
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
|
314 type = GL_UNSIGNED_SHORT_4_4_4_4_REV; |
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
|
315 break; |
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
|
316 case SDL_PixelFormat_ARGB1555: |
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
|
317 internalFormat = GL_RGB5_A1; |
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
|
318 format = GL_BGRA; |
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
|
319 type = GL_UNSIGNED_SHORT_1_5_5_5_REV; |
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
|
320 break; |
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
|
321 case SDL_PixelFormat_RGB565: |
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
|
322 internalFormat = GL_RGB8; |
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
|
323 format = GL_RGB; |
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
|
324 type = GL_UNSIGNED_SHORT_5_6_5; |
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
|
325 break; |
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
|
326 case SDL_PixelFormat_RGB24: |
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
|
327 internalFormat = GL_RGB8; |
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
|
328 format = GL_RGB; |
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
|
329 type = GL_UNSIGNED_BYTE; |
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
|
330 break; |
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
|
331 case SDL_PixelFormat_RGB888: |
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
|
332 internalFormat = GL_RGB8; |
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
|
333 format = GL_BGRA; |
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
|
334 type = GL_UNSIGNED_BYTE; |
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
|
335 break; |
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
|
336 case SDL_PixelFormat_BGR24: |
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
|
337 internalFormat = GL_RGB8; |
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
|
338 format = GL_BGR; |
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
|
339 type = GL_UNSIGNED_BYTE; |
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
|
340 break; |
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
|
341 case SDL_PixelFormat_BGR888: |
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
|
342 internalFormat = GL_RGB8; |
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
|
343 format = GL_RGBA; |
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
|
344 type = GL_UNSIGNED_BYTE; |
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
|
345 break; |
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
|
346 case SDL_PixelFormat_ARGB8888: |
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
|
347 internalFormat = GL_RGBA8; |
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
|
348 format = GL_BGRA; |
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
|
349 type = GL_UNSIGNED_BYTE; |
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
|
350 break; |
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
|
351 case SDL_PixelFormat_ABGR8888: |
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
|
352 internalFormat = GL_RGBA8; |
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
|
353 format = GL_RGBA; |
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
|
354 type = GL_UNSIGNED_BYTE; |
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
|
355 break; |
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
|
356 case SDL_PixelFormat_ARGB2101010: |
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
|
357 internalFormat = GL_RGB10_A2; |
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
|
358 format = GL_BGRA; |
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
|
359 type = GL_UNSIGNED_INT_2_10_10_10_REV; |
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
|
360 break; |
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
|
361 default: |
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
|
362 SDL_SetError("Unsupported texture 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
|
363 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
|
364 } |
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
|
365 |
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
|
366 data = (GL_TextureData *) SDL_calloc(1, sizeof(*data)); |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
367 if (!data) { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
368 SDL_OutOfMemory(); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
369 return -1; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
370 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
371 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
372 texture->driverdata = data; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
373 |
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
|
374 glGetError(); |
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
|
375 glGenTextures(1, &data->texture); |
1926
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
376 if (renderdata->GL_ARB_texture_rectangle_supported) { |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
377 data->type = GL_TEXTURE_RECTANGLE_ARB; |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
378 texture_w = texture->w; |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
379 texture_h = texture->h; |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
380 data->texw = (GLfloat) texture->w; |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
381 data->texh = (GLfloat) texture->h; |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
382 } else { |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
383 data->type = GL_TEXTURE_2D; |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
384 texture_w = power_of_2(texture->w); |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
385 texture_h = power_of_2(texture->h); |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
386 data->texw = (GLfloat) texture->w / texture_w; |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
387 data->texh = (GLfloat) texture->h / texture_h; |
307355678142
Added SDL_GL_ExtensionSupported()
Sam Lantinga <slouken@libsdl.org>
parents:
1924
diff
changeset
|
388 } |
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
|
389 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
|
390 data->formattype = type; |
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
|
391 glBindTexture(data->type, data->texture); |
1922
4905cac7a4bd
Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents:
1921
diff
changeset
|
392 glTexImage2D(data->type, 0, internalFormat, texture_w, texture_h, 0, |
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
|
393 format, type, NULL); |
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
|
394 result = glGetError(); |
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
|
395 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
|
396 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
|
397 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
|
398 } |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
399 return 0; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
400 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
401 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
402 static int |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
403 GL_SetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
404 const SDL_Color * colors, int firstcolor, int ncolors) |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
405 { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
406 GL_RenderData *renderdata = (GL_RenderData *) renderer->driverdata; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
407 GL_TextureData *data = (GL_TextureData *) texture->driverdata; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
408 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
409 return 0; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
410 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
411 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
412 static int |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
413 GL_GetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
414 SDL_Color * colors, int firstcolor, int ncolors) |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
415 { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
416 GL_TextureData *data = (GL_TextureData *) texture->driverdata; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
417 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
418 return 0; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
419 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
420 |
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
|
421 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
|
422 SetupTextureUpdate(SDL_Texture * texture, int pitch) |
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
|
423 { |
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
|
424 if (texture->format == SDL_PixelFormat_Index1LSB) { |
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
|
425 glPixelStorei(GL_UNPACK_LSB_FIRST, 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
|
426 } else if (texture->format == SDL_PixelFormat_Index1MSB) { |
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
|
427 glPixelStorei(GL_UNPACK_LSB_FIRST, 0); |
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
|
428 } |
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
|
429 glPixelStorei(GL_UNPACK_ALIGNMENT, 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
|
430 glPixelStorei(GL_UNPACK_ROW_LENGTH, |
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
|
431 pitch / SDL_BYTESPERPIXEL(texture->format)); |
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
|
432 } |
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
|
433 |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
434 static int |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
435 GL_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
436 const SDL_Rect * rect, const void *pixels, int pitch) |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
437 { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
438 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
|
439 GLenum result; |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
440 |
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
|
441 glGetError(); |
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
|
442 SetupTextureUpdate(texture, 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
|
443 glBindTexture(data->type, data->texture); |
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
|
444 glTexSubImage2D(data->type, 0, rect->x, rect->y, rect->w, rect->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
|
445 data->format, data->formattype, pixels); |
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
|
446 result = glGetError(); |
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
|
447 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
|
448 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
|
449 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
|
450 } |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
451 return 0; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
452 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
453 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
454 static int |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
455 GL_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
456 const SDL_Rect * rect, int markDirty, void **pixels, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
457 int *pitch) |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
458 { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
459 GL_TextureData *data = (GL_TextureData *) texture->driverdata; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
460 |
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
|
461 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
|
462 data->pitch = texture->w * SDL_BYTESPERPIXEL(texture->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
|
463 data->pixels = SDL_malloc(texture->h * data->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
|
464 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
|
465 SDL_OutOfMemory(); |
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
|
466 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
|
467 } |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
468 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
469 |
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
|
470 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
|
471 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
|
472 } |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
473 |
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
|
474 *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
|
475 (void *) ((Uint8 *) data->pixels + rect->y * data->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
|
476 rect->x * SDL_BYTESPERPIXEL(texture->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
|
477 *pitch = data->pitch; |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
478 return 0; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
479 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
480 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
481 static void |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
482 GL_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture) |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
483 { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
484 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
485 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
486 static void |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
487 GL_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture, int numrects, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
488 const SDL_Rect * rects) |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
489 { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
490 GL_TextureData *data = (GL_TextureData *) texture->driverdata; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
491 int i; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
492 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
493 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
|
494 SDL_AddDirtyRect(&data->dirty, &rects[i]); |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
495 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
496 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
497 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
498 static int |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
499 GL_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect, Uint32 color) |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
500 { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
501 GL_RenderData *data = (GL_RenderData *) renderer->driverdata; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
502 SDL_Window *window = SDL_GetWindowFromID(renderer->window); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
503 GLclampf r, g, b, a; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
504 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
505 a = ((GLclampf) ((color >> 24) & 0xFF)) / 255.0f; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
506 r = ((GLclampf) ((color >> 16) & 0xFF)) / 255.0f; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
507 g = ((GLclampf) ((color >> 8) & 0xFF)) / 255.0f; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
508 b = ((GLclampf) (color & 0xFF)) / 255.0f; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
509 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
510 glClearColor(r, g, b, a); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
511 glViewport(rect->x, window->h - rect->y, rect->w, rect->h); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
512 glClear(GL_COLOR_BUFFER_BIT); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
513 glViewport(0, 0, window->w, window->h); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
514 return 0; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
515 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
516 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
517 static int |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
518 GL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
519 const SDL_Rect * srcrect, const SDL_Rect * dstrect, |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
520 int blendMode, int scaleMode) |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
521 { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
522 GL_RenderData *data = (GL_RenderData *) renderer->driverdata; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
523 GL_TextureData *texturedata = (GL_TextureData *) texture->driverdata; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
524 int minx, miny, maxx, maxy; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
525 GLfloat minu, maxu, minv, maxv; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
526 |
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
|
527 if (texturedata->dirty.count > 0) { |
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
|
528 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
|
529 void *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
|
530 int bpp = SDL_BYTESPERPIXEL(texture->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
|
531 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
|
532 |
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
|
533 SetupTextureUpdate(texture, 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
|
534 glBindTexture(texturedata->type, texturedata->texture); |
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
|
535 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
|
536 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
|
537 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
|
538 (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
|
539 rect->x * bpp); |
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
|
540 glTexSubImage2D(texturedata->type, 0, rect->x, rect->y, rect->w, |
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
|
541 rect->h, texturedata->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
|
542 texturedata->formattype, 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
|
543 } |
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
|
544 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
|
545 } |
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
|
546 |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
547 minx = dstrect->x; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
548 miny = dstrect->y; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
549 maxx = dstrect->x + dstrect->w; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
550 maxy = dstrect->y + dstrect->h; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
551 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
552 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
|
553 minu *= texturedata->texw; |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
554 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
|
555 maxu *= texturedata->texw; |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
556 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
|
557 minv *= texturedata->texh; |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
558 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
|
559 maxv *= texturedata->texh; |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
560 |
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
|
561 glBindTexture(texturedata->type, texturedata->texture); |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
562 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
563 switch (blendMode) { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
564 case SDL_TextureBlendMode_None: |
1922
4905cac7a4bd
Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents:
1921
diff
changeset
|
565 glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL); |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
566 glDisable(GL_BLEND); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
567 break; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
568 case SDL_TextureBlendMode_Mask: |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
569 case SDL_TextureBlendMode_Blend: |
1922
4905cac7a4bd
Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents:
1921
diff
changeset
|
570 glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
571 glEnable(GL_BLEND); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
572 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
573 break; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
574 case SDL_TextureBlendMode_Add: |
1922
4905cac7a4bd
Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents:
1921
diff
changeset
|
575 glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
576 glEnable(GL_BLEND); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
577 glBlendFunc(GL_SRC_ALPHA, GL_ONE); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
578 break; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
579 case SDL_TextureBlendMode_Mod: |
1922
4905cac7a4bd
Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents:
1921
diff
changeset
|
580 glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
581 glEnable(GL_BLEND); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
582 glBlendFunc(GL_ZERO, GL_SRC_COLOR); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
583 break; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
584 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
585 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
586 switch (scaleMode) { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
587 case SDL_TextureScaleMode_None: |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
588 case SDL_TextureScaleMode_Fast: |
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
|
589 glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
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
|
590 glTexParameteri(texturedata->type, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
591 break; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
592 case SDL_TextureScaleMode_Slow: |
1922
4905cac7a4bd
Fixed OpenGL blend modes, added power of 2 texture code
Sam Lantinga <slouken@libsdl.org>
parents:
1921
diff
changeset
|
593 case SDL_TextureScaleMode_Best: |
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
|
594 glTexParameteri(texturedata->type, GL_TEXTURE_MIN_FILTER, GL_LINEAR); |
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
|
595 glTexParameteri(texturedata->type, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
596 break; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
597 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
598 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
599 glBegin(GL_TRIANGLE_STRIP); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
600 glTexCoord2f(minu, minv); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
601 glVertex2i(minx, miny); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
602 glTexCoord2f(maxu, minv); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
603 glVertex2i(maxx, miny); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
604 glTexCoord2f(minu, maxv); |
1921
f3399f779a1d
Bug fixes to the OpenGL renderer
Sam Lantinga <slouken@libsdl.org>
parents:
1920
diff
changeset
|
605 glVertex2i(minx, maxy); |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
606 glTexCoord2f(maxu, maxv); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
607 glVertex2i(maxx, maxy); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
608 glEnd(); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
609 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
610 return 0; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
611 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
612 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
613 static void |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
614 GL_RenderPresent(SDL_Renderer * renderer) |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
615 { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
616 SDL_GL_SwapWindow(renderer->window); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
617 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
618 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
619 static void |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
620 GL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture) |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
621 { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
622 GL_TextureData *data = (GL_TextureData *) texture->driverdata; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
623 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
624 if (!data) { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
625 return; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
626 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
627 if (data->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
|
628 glDeleteTextures(1, &data->texture); |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
629 } |
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
|
630 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
|
631 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
|
632 } |
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
|
633 SDL_FreeDirtyRects(&data->dirty); |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
634 SDL_free(data); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
635 texture->driverdata = NULL; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
636 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
637 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
638 void |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
639 GL_DestroyRenderer(SDL_Renderer * renderer) |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
640 { |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
641 GL_RenderData *data = (GL_RenderData *) renderer->driverdata; |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
642 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
643 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
|
644 if (data->context) { |
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
|
645 SDL_GL_MakeCurrent(0, NULL); |
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
|
646 SDL_GL_DeleteContext(data->context); |
1918
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
647 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
648 SDL_free(data); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
649 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
650 SDL_free(renderer); |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
651 } |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
652 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
653 #endif /* SDL_VIDEO_OPENGL */ |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
654 |
092bd3a019c5
Starting on the OpenGL renderer...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
655 /* vi: set ts=4 sw=4 expandtab: */ |