sdl-ios-xcode: src/video/SDL_blendfillrect.c annotate

annotate src/video/SDL_blendfillrect.c @ 4593:3892fe2f6537

Fixed so many things. See the changelog listed below. 1. Use SDL_X11_HAVE_XRENDER to check for RENDER at runtime. 2. Added lots of comments. 3. Added checks and lots of calls to SDL_SetError(). 4. Fixed X11_CreateTexture() so that the pixmap and image created are for the format specified by the user and not the window format. This is only for the RENDER case. 5. The above change required that functions to convert SDL pixel format enums to Visuals and XRenderPictFormats be added. 6. Fixed lots of 'style' issues.

author	Sunny Sachanandani <sunnysachanandani@gmail.com>
date	Sat, 17 Jul 2010 15:38:24 +0530
parents	f7b03b6838cb
children	aa8888658021

rev	line source
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1 /*
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2 SDL - Simple DirectMedia Layer
3697 f7b03b6838cb Fixed bug #926 Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	3 Copyright (C) 1997-2010 Sam Lantinga
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5 This library is free software; you can redistribute it and/or
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6 modify it under the terms of the GNU Lesser General Public
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7 License as published by the Free Software Foundation; either
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	8 version 2.1 of the License, or (at your option) any later version.
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	9
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	13 Lesser General Public License for more details.
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	14
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	15 You should have received a copy of the GNU Lesser General Public
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	16 License along with this library; if not, write to the Free Software
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	18
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	19 Sam Lantinga
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	20 slouken@libsdl.org
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	21 */
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	22 #include "SDL_config.h"
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	23
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	24 #include "SDL_video.h"
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	25 #include "SDL_draw.h"
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	26
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	27 static int
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	28 SDL_BlendFillRect_RGB555(SDL_Surface * dst, const SDL_Rect * rect,
b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	29 int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	30 {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	31 unsigned inva = 0xff - a;
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	32
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	33 switch (blendMode) {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	34 case SDL_BLENDMODE_BLEND:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	35 FILLRECT(Uint16, DRAW_SETPIXEL_BLEND_RGB555);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	36 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	37 case SDL_BLENDMODE_ADD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	38 FILLRECT(Uint16, DRAW_SETPIXEL_ADD_RGB555);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	39 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	40 case SDL_BLENDMODE_MOD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	41 FILLRECT(Uint16, DRAW_SETPIXEL_MOD_RGB555);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	42 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	43 default:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	44 FILLRECT(Uint16, DRAW_SETPIXEL_RGB555);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	45 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	46 }
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	47 return 0;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	48 }
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	49
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	50 static int
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	51 SDL_BlendFillRect_RGB565(SDL_Surface * dst, const SDL_Rect * rect,
b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	52 int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	53 {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	54 unsigned inva = 0xff - a;
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	55
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	56 switch (blendMode) {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	57 case SDL_BLENDMODE_BLEND:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	58 FILLRECT(Uint16, DRAW_SETPIXEL_BLEND_RGB565);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	59 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	60 case SDL_BLENDMODE_ADD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	61 FILLRECT(Uint16, DRAW_SETPIXEL_ADD_RGB565);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	62 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	63 case SDL_BLENDMODE_MOD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	64 FILLRECT(Uint16, DRAW_SETPIXEL_MOD_RGB565);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	65 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	66 default:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	67 FILLRECT(Uint16, DRAW_SETPIXEL_RGB565);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	68 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	69 }
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	70 return 0;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	71 }
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	72
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	73 static int
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	74 SDL_BlendFillRect_RGB888(SDL_Surface * dst, const SDL_Rect * rect,
b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	75 int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	76 {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	77 unsigned inva = 0xff - a;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	78
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	79 switch (blendMode) {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	80 case SDL_BLENDMODE_BLEND:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	81 FILLRECT(Uint32, DRAW_SETPIXEL_BLEND_RGB888);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	82 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	83 case SDL_BLENDMODE_ADD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	84 FILLRECT(Uint32, DRAW_SETPIXEL_ADD_RGB888);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	85 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	86 case SDL_BLENDMODE_MOD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	87 FILLRECT(Uint32, DRAW_SETPIXEL_MOD_RGB888);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	88 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	89 default:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	90 FILLRECT(Uint32, DRAW_SETPIXEL_RGB888);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	91 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	92 }
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	93 return 0;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	94 }
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	95
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	96 static int
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	97 SDL_BlendFillRect_ARGB8888(SDL_Surface * dst, const SDL_Rect * rect,
b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	98 int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
2899 a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	99 {
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	100 unsigned inva = 0xff - a;
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	101
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	102 switch (blendMode) {
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	103 case SDL_BLENDMODE_BLEND:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	104 FILLRECT(Uint32, DRAW_SETPIXEL_BLEND_ARGB8888);
2899 a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	105 break;
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	106 case SDL_BLENDMODE_ADD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	107 FILLRECT(Uint32, DRAW_SETPIXEL_ADD_ARGB8888);
2899 a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	108 break;
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	109 case SDL_BLENDMODE_MOD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	110 FILLRECT(Uint32, DRAW_SETPIXEL_MOD_ARGB8888);
2899 a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	111 break;
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	112 default:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	113 FILLRECT(Uint32, DRAW_SETPIXEL_ARGB8888);
2899 a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	114 break;
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	115 }
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	116 return 0;
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	117 }
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	118
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	119 static int
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	120 SDL_BlendFillRect_RGB(SDL_Surface * dst, const SDL_Rect * rect,
b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	121 int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	122 {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	123 SDL_PixelFormat *fmt = dst->format;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	124 unsigned inva = 0xff - a;
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	125
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	126 switch (fmt->BytesPerPixel) {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	127 case 2:
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	128 switch (blendMode) {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	129 case SDL_BLENDMODE_BLEND:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	130 FILLRECT(Uint16, DRAW_SETPIXEL_BLEND_RGB);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	131 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	132 case SDL_BLENDMODE_ADD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	133 FILLRECT(Uint16, DRAW_SETPIXEL_ADD_RGB);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	134 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	135 case SDL_BLENDMODE_MOD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	136 FILLRECT(Uint16, DRAW_SETPIXEL_MOD_RGB);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	137 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	138 default:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	139 FILLRECT(Uint16, DRAW_SETPIXEL_RGB);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	140 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	141 }
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	142 return 0;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	143 case 4:
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	144 switch (blendMode) {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	145 case SDL_BLENDMODE_BLEND:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	146 FILLRECT(Uint32, DRAW_SETPIXEL_BLEND_RGB);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	147 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	148 case SDL_BLENDMODE_ADD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	149 FILLRECT(Uint32, DRAW_SETPIXEL_ADD_RGB);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	150 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	151 case SDL_BLENDMODE_MOD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	152 FILLRECT(Uint32, DRAW_SETPIXEL_MOD_RGB);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	153 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	154 default:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	155 FILLRECT(Uint32, DRAW_SETPIXEL_RGB);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	156 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	157 }
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	158 return 0;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	159 default:
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	160 SDL_Unsupported();
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	161 return -1;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	162 }
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	163 }
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	164
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	165 static int
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	166 SDL_BlendFillRect_RGBA(SDL_Surface * dst, const SDL_Rect * rect,
b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	167 int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	168 {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	169 SDL_PixelFormat *fmt = dst->format;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	170 unsigned inva = 0xff - a;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	171
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	172 switch (fmt->BytesPerPixel) {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	173 case 4:
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	174 switch (blendMode) {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	175 case SDL_BLENDMODE_BLEND:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	176 FILLRECT(Uint32, DRAW_SETPIXEL_BLEND_RGBA);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	177 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	178 case SDL_BLENDMODE_ADD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	179 FILLRECT(Uint32, DRAW_SETPIXEL_ADD_RGBA);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	180 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	181 case SDL_BLENDMODE_MOD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	182 FILLRECT(Uint32, DRAW_SETPIXEL_MOD_RGBA);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	183 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	184 default:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	185 FILLRECT(Uint32, DRAW_SETPIXEL_RGBA);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	186 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	187 }
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	188 return 0;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	189 default:
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	190 SDL_Unsupported();
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	191 return -1;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	192 }
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	193 }
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	194
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	195 int
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	196 SDL_BlendFillRect(SDL_Surface * dst, const SDL_Rect * rect,
b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	197 int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	198 {
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	199 SDL_Rect clipped;
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	200
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	201 if (!dst) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	202 SDL_SetError("Passed NULL destination surface");
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	203 return -1;
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	204 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	205
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	206 /* This function doesn't work on surfaces < 8 bpp */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	207 if (dst->format->BitsPerPixel < 8) {
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	208 SDL_SetError("SDL_BlendFillRect(): Unsupported surface format");
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	209 return -1;
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	210 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	211
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	212 /* If 'rect' == NULL, then fill the whole surface */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	213 if (rect) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	214 /* Perform clipping */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	215 if (!SDL_IntersectRect(rect, &dst->clip_rect, &clipped)) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	216 return 0;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	217 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	218 rect = &clipped;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	219 } else {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	220 rect = &dst->clip_rect;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	221 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	222
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	223 if (blendMode == SDL_BLENDMODE_BLEND \|\| blendMode == SDL_BLENDMODE_ADD) {
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	224 r = DRAW_MUL(r, a);
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	225 g = DRAW_MUL(g, a);
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	226 b = DRAW_MUL(b, a);
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	227 }
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	228
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	229 switch (dst->format->BitsPerPixel) {
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	230 case 15:
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	231 switch (dst->format->Rmask) {
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	232 case 0x7C00:
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	233 return SDL_BlendFillRect_RGB555(dst, rect, blendMode, r, g, b, a);
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	234 }
1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	235 break;
1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	236 case 16:
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	237 switch (dst->format->Rmask) {
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	238 case 0xF800:
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	239 return SDL_BlendFillRect_RGB565(dst, rect, blendMode, r, g, b, a);
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	240 }
1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	241 break;
1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	242 case 32:
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	243 switch (dst->format->Rmask) {
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	244 case 0x00FF0000:
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	245 if (!dst->format->Amask) {
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	246 return SDL_BlendFillRect_RGB888(dst, rect, blendMode, r, g, b, a);
2899 a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	247 } else {
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	248 return SDL_BlendFillRect_ARGB8888(dst, rect, blendMode, r, g, b, a);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	249 }
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	250 break;
1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	251 }
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	252 break;
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	253 default:
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	254 break;
1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	255 }
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	256
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	257 if (!dst->format->Amask) {
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	258 return SDL_BlendFillRect_RGB(dst, rect, blendMode, r, g, b, a);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	259 } else {
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	260 return SDL_BlendFillRect_RGBA(dst, rect, blendMode, r, g, b, a);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	261 }
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	262 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	263
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	264 int
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	265 SDL_BlendFillRects(SDL_Surface * dst, const SDL_Rect ** rects, int count,
b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	266 int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	267 {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	268 SDL_Rect clipped;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	269 int i;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	270 int (func)(SDL_Surface dst, const SDL_Rect * rect,
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	271 int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a) = NULL;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	272 int status = 0;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	273
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	274 if (!dst) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	275 SDL_SetError("Passed NULL destination surface");
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	276 return -1;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	277 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	278
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	279 /* This function doesn't work on surfaces < 8 bpp */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	280 if (dst->format->BitsPerPixel < 8) {
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	281 SDL_SetError("SDL_BlendFillRects(): Unsupported surface format");
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	282 return -1;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	283 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	284
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	285 if (blendMode == SDL_BLENDMODE_BLEND \|\| blendMode == SDL_BLENDMODE_ADD) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	286 r = DRAW_MUL(r, a);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	287 g = DRAW_MUL(g, a);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	288 b = DRAW_MUL(b, a);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	289 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	290
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	291 /* FIXME: Does this function pointer slow things down significantly? */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	292 switch (dst->format->BitsPerPixel) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	293 case 15:
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	294 switch (dst->format->Rmask) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	295 case 0x7C00:
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	296 func = SDL_BlendFillRect_RGB555;
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	297 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	298 break;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	299 case 16:
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	300 switch (dst->format->Rmask) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	301 case 0xF800:
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	302 func = SDL_BlendFillRect_RGB565;
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	303 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	304 break;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	305 case 32:
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	306 switch (dst->format->Rmask) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	307 case 0x00FF0000:
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	308 if (!dst->format->Amask) {
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	309 func = SDL_BlendFillRect_RGB888;
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	310 } else {
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	311 func = SDL_BlendFillRect_ARGB8888;
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	312 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	313 break;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	314 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	315 break;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	316 default:
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	317 break;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	318 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	319
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	320 if (!func) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	321 if (!dst->format->Amask) {
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	322 func = SDL_BlendFillRect_RGB;
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	323 } else {
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	324 func = SDL_BlendFillRect_RGBA;
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	325 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	326 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	327
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	328 for (i = 0; i < count; ++i) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	329 const SDL_Rect * rect = rects[i];
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	330
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	331 /* If 'rect' == NULL, then fill the whole surface */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	332 if (rect) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	333 /* Perform clipping */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	334 if (!SDL_IntersectRect(rect, &dst->clip_rect, &clipped)) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	335 continue;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	336 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	337 rect = &clipped;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	338 } else {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	339 rect = &dst->clip_rect;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	340 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	341
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	342 status = func(dst, rect, blendMode, r, g, b, a);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	343 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	344 return status;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	345 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	346
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	347 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/video/SDL_blendfillrect.c @ 4593:3892fe2f6537