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

annotate src/video/SDL_blendfillrect.c @ 5159:307ccc9c135e

Made it possible to create a texture of any format, even if not supported by the renderer. This allows me to reduce the set of formats supported by the renderers to the most optimal set, for a nice speed boost.

author	Sam Lantinga <slouken@libsdl.org>
date	Thu, 03 Feb 2011 00:19:40 -0800
parents	e743b9c3f6d6
children

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,
4929 aa8888658021 Use the enumerated type for blend and scale mode instead of int Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	29 SDL_BlendMode 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 default:
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_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 }
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	44 return 0;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	45 }
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 static int
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	48 SDL_BlendFillRect_RGB565(SDL_Surface * dst, const SDL_Rect * rect,
4929 aa8888658021 Use the enumerated type for blend and scale mode instead of int Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	49 SDL_BlendMode 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	50 {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	51 unsigned inva = 0xff - a;
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	52
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	53 switch (blendMode) {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	54 case SDL_BLENDMODE_BLEND:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	55 FILLRECT(Uint16, DRAW_SETPIXEL_BLEND_RGB565);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	56 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	57 case SDL_BLENDMODE_ADD:
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_ADD_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 default:
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_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 }
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	64 return 0;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	65 }
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	66
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	67 static int
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	68 SDL_BlendFillRect_RGB888(SDL_Surface * dst, const SDL_Rect * rect,
4929 aa8888658021 Use the enumerated type for blend and scale mode instead of int Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	69 SDL_BlendMode 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	70 {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	71 unsigned inva = 0xff - a;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	72
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	73 switch (blendMode) {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	74 case SDL_BLENDMODE_BLEND:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	75 FILLRECT(Uint32, DRAW_SETPIXEL_BLEND_RGB888);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	76 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	77 case SDL_BLENDMODE_ADD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	78 FILLRECT(Uint32, DRAW_SETPIXEL_ADD_RGB888);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	79 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	80 default:
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_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 }
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	84 return 0;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	85 }
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	86
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	87 static int
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	88 SDL_BlendFillRect_ARGB8888(SDL_Surface * dst, const SDL_Rect * rect,
4929 aa8888658021 Use the enumerated type for blend and scale mode instead of int Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	89 SDL_BlendMode 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	90 {
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	91 unsigned inva = 0xff - a;
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	92
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	93 switch (blendMode) {
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	94 case SDL_BLENDMODE_BLEND:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	95 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	96 break;
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	97 case SDL_BLENDMODE_ADD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	98 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	99 break;
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	100 default:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	101 FILLRECT(Uint32, DRAW_SETPIXEL_ARGB8888);
2899 a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	102 break;
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	103 }
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	104 return 0;
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	105 }
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	106
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	107 static int
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	108 SDL_BlendFillRect_RGB(SDL_Surface * dst, const SDL_Rect * rect,
4929 aa8888658021 Use the enumerated type for blend and scale mode instead of int Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	109 SDL_BlendMode 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	110 {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	111 SDL_PixelFormat *fmt = dst->format;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	112 unsigned inva = 0xff - a;
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	113
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	114 switch (fmt->BytesPerPixel) {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	115 case 2:
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	116 switch (blendMode) {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	117 case SDL_BLENDMODE_BLEND:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	118 FILLRECT(Uint16, DRAW_SETPIXEL_BLEND_RGB);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	119 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	120 case SDL_BLENDMODE_ADD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	121 FILLRECT(Uint16, DRAW_SETPIXEL_ADD_RGB);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	122 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	123 default:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	124 FILLRECT(Uint16, DRAW_SETPIXEL_RGB);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	125 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	126 }
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	127 return 0;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	128 case 4:
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	129 switch (blendMode) {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	130 case SDL_BLENDMODE_BLEND:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	131 FILLRECT(Uint32, DRAW_SETPIXEL_BLEND_RGB);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	132 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	133 case SDL_BLENDMODE_ADD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	134 FILLRECT(Uint32, DRAW_SETPIXEL_ADD_RGB);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	135 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	136 default:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	137 FILLRECT(Uint32, DRAW_SETPIXEL_RGB);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	138 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	139 }
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	140 return 0;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	141 default:
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	142 SDL_Unsupported();
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	143 return -1;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	144 }
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	145 }
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	146
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	147 static int
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	148 SDL_BlendFillRect_RGBA(SDL_Surface * dst, const SDL_Rect * rect,
4929 aa8888658021 Use the enumerated type for blend and scale mode instead of int Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	149 SDL_BlendMode 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	150 {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	151 SDL_PixelFormat *fmt = dst->format;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	152 unsigned inva = 0xff - a;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	153
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	154 switch (fmt->BytesPerPixel) {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	155 case 4:
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	156 switch (blendMode) {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	157 case SDL_BLENDMODE_BLEND:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	158 FILLRECT(Uint32, DRAW_SETPIXEL_BLEND_RGBA);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	159 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	160 case SDL_BLENDMODE_ADD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	161 FILLRECT(Uint32, DRAW_SETPIXEL_ADD_RGBA);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	162 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	163 default:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	164 FILLRECT(Uint32, DRAW_SETPIXEL_RGBA);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	165 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	166 }
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	167 return 0;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	168 default:
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	169 SDL_Unsupported();
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	170 return -1;
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 }
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	173
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	174 int
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	175 SDL_BlendFillRect(SDL_Surface * dst, const SDL_Rect * rect,
4929 aa8888658021 Use the enumerated type for blend and scale mode instead of int Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	176 SDL_BlendMode 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	177 {
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	178 SDL_Rect clipped;
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	179
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	180 if (!dst) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	181 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	182 return -1;
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	183 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	184
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	185 /* 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	186 if (dst->format->BitsPerPixel < 8) {
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	187 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	188 return -1;
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	189 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	190
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	191 /* 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	192 if (rect) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	193 /* Perform clipping */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	194 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	195 return 0;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	196 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	197 rect = &clipped;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	198 } else {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	199 rect = &dst->clip_rect;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	200 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	201
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	202 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	203 r = DRAW_MUL(r, a);
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	204 g = DRAW_MUL(g, a);
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	205 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	206 }
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	207
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	208 switch (dst->format->BitsPerPixel) {
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	209 case 15:
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	210 switch (dst->format->Rmask) {
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	211 case 0x7C00:
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	212 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	213 }
1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	214 break;
1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	215 case 16:
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	216 switch (dst->format->Rmask) {
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	217 case 0xF800:
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	218 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	219 }
1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	220 break;
1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	221 case 32:
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	222 switch (dst->format->Rmask) {
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	223 case 0x00FF0000:
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	224 if (!dst->format->Amask) {
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	225 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	226 } else {
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	227 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	228 }
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	229 break;
1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	230 }
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	231 break;
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	232 default:
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	233 break;
1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	234 }
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	235
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	236 if (!dst->format->Amask) {
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	237 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	238 } else {
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	239 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	240 }
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	241 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	242
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	243 int
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	244 SDL_BlendFillRects(SDL_Surface * dst, const SDL_Rect ** rects, int count,
4929 aa8888658021 Use the enumerated type for blend and scale mode instead of int Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	245 SDL_BlendMode 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	246 {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	247 SDL_Rect clipped;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	248 int i;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	249 int (func)(SDL_Surface dst, const SDL_Rect * rect,
4929 aa8888658021 Use the enumerated type for blend and scale mode instead of int Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	250 SDL_BlendMode blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a) = NULL;
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	251 int status = 0;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	252
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	253 if (!dst) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	254 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	255 return -1;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	256 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	257
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	258 /* 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	259 if (dst->format->BitsPerPixel < 8) {
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	260 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	261 return -1;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	262 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	263
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	264 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	265 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	266 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	267 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	268 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	269
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	270 /* 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	271 switch (dst->format->BitsPerPixel) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	272 case 15:
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	273 switch (dst->format->Rmask) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	274 case 0x7C00:
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	275 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	276 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	277 break;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	278 case 16:
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	279 switch (dst->format->Rmask) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	280 case 0xF800:
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	281 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	282 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	283 break;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	284 case 32:
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	285 switch (dst->format->Rmask) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	286 case 0x00FF0000:
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	287 if (!dst->format->Amask) {
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	288 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	289 } else {
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	290 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	291 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	292 break;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	293 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	294 break;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	295 default:
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	296 break;
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
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	299 if (!func) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	300 if (!dst->format->Amask) {
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	301 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	302 } else {
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	303 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	304 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	305 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	306
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	307 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	308 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	309
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	310 /* 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	311 if (rect) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	312 /* Perform clipping */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	313 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	314 continue;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	315 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	316 rect = &clipped;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	317 } else {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	318 rect = &dst->clip_rect;
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
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	321 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	322 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	323 return status;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	324 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	325
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	326 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/video/SDL_blendfillrect.c @ 5159:307ccc9c135e