sdl-ios-xcode: src/video/SDL

annotate src/video/SDL_blit.c @ 4837:2e446923c9fb

Fixed lots of little bugs in Win32 shaping and in SDL_CalculateShapeTree(). Still not actually showing anything on Windows, though there's no crashes and everything compiles fine. Bugger.

author	egottlieb
date	Fri, 06 Aug 2010 20:22:14 -0400
parents	f7b03b6838cb
children	e743b9c3f6d6

rev	line source
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1 /*
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2 SDL - Simple DirectMedia Layer
3697 f7b03b6838cb Fixed bug #926 Sam Lantinga <slouken@libsdl.org> parents: 2859 diff changeset	3 Copyright (C) 1997-2010 Sam Lantinga
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	4
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	5 This library is free software; you can redistribute it and/or
1312 c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 1196 diff changeset	6 modify it under the terms of the GNU Lesser General Public
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	7 License as published by the Free Software Foundation; either
1312 c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 1196 diff changeset	8 version 2.1 of the License, or (at your option) any later version.
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	9
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1312 c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 1196 diff changeset	13 Lesser General Public License for more details.
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	14
1312 c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 1196 diff changeset	15 You should have received a copy of the GNU Lesser General Public
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 1196 diff changeset	16 License along with this library; if not, write to the Free Software
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 1196 diff changeset	17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	18
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	19 Sam Lantinga
252 e8157fcb3114 Updated the source with the correct e-mail address Sam Lantinga <slouken@libsdl.org> parents: 0 diff changeset	20 slouken@libsdl.org
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	21 */
1402 d910939febfa Use consistent identifiers for the various platforms we support. Sam Lantinga <slouken@libsdl.org> parents: 1361 diff changeset	22 #include "SDL_config.h"
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	23
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	24 #include "SDL_video.h"
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	25 #include "SDL_sysvideo.h"
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	26 #include "SDL_blit.h"
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	27 #include "SDL_blit_auto.h"
2254 79e00f5561f4 Oops, didn't want to rename those files... Sam Lantinga <slouken@libsdl.org> parents: 2253 diff changeset	28 #include "SDL_blit_copy.h"
2824 4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2805 diff changeset	29 #include "SDL_blit_slow.h"
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	30 #include "SDL_RLEaccel_c.h"
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	31 #include "SDL_pixels_c.h"
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	32
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	33 /* The general purpose software blit routine */
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	34 static int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	35 SDL_SoftBlit(SDL_Surface * src, SDL_Rect * srcrect,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	36 SDL_Surface * dst, SDL_Rect * dstrect)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	37 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	38 int okay;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	39 int src_locked;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	40 int dst_locked;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	41
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	42 /* Everything is okay at the beginning... */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	43 okay = 1;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	44
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	45 /* Lock the destination if it's in hardware */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	46 dst_locked = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	47 if (SDL_MUSTLOCK(dst)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	48 if (SDL_LockSurface(dst) < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	49 okay = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	50 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	51 dst_locked = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	52 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	53 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	54 /* Lock the source if it's in hardware */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	55 src_locked = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	56 if (SDL_MUSTLOCK(src)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	57 if (SDL_LockSurface(src) < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	58 okay = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	59 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	60 src_locked = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	61 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	62 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	63
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	64 /* Set up source and destination buffer pointers, and BLIT! */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	65 if (okay && srcrect->w && srcrect->h) {
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	66 SDL_BlitFunc RunBlit;
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	67 SDL_BlitInfo *info = &src->map->info;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	68
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	69 /* Set up the blit information */
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	70 info->src = (Uint8 *) src->pixels +
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	71 (Uint16) srcrect->y * src->pitch +
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	72 (Uint16) srcrect->x * info->src_fmt->BytesPerPixel;
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	73 info->src_w = srcrect->w;
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	74 info->src_h = srcrect->h;
2850 43691ef70176 Whoops, fixed pitch bug after resizing a surface Sam Lantinga <slouken@libsdl.org> parents: 2837 diff changeset	75 info->src_pitch = src->pitch;
2267 c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	76 info->src_skip =
c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	77 info->src_pitch - info->src_w * info->src_fmt->BytesPerPixel;
c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	78 info->dst =
c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	79 (Uint8 ) dst->pixels + (Uint16) dstrect->y dst->pitch +
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	80 (Uint16) dstrect->x * info->dst_fmt->BytesPerPixel;
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	81 info->dst_w = dstrect->w;
900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	82 info->dst_h = dstrect->h;
2850 43691ef70176 Whoops, fixed pitch bug after resizing a surface Sam Lantinga <slouken@libsdl.org> parents: 2837 diff changeset	83 info->dst_pitch = dst->pitch;
2267 c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	84 info->dst_skip =
c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	85 info->dst_pitch - info->dst_w * info->dst_fmt->BytesPerPixel;
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	86 RunBlit = (SDL_BlitFunc) src->map->data;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	87
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	88 /* Run the actual software blit */
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	89 RunBlit(info);
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	90 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	91
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	92 /* We need to unlock the surfaces if they're locked */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	93 if (dst_locked) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	94 SDL_UnlockSurface(dst);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	95 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	96 if (src_locked) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	97 SDL_UnlockSurface(src);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	98 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	99 /* Blit is done! */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	100 return (okay ? 0 : -1);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	101 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	102
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	103 #ifdef __MACOSX__
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	104 #include <sys/sysctl.h>
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	105
2249 5a58b57b6724 Added SSE and MMX optimization for SDL_FillRect() Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	106 static SDL_bool
5a58b57b6724 Added SSE and MMX optimization for SDL_FillRect() Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	107 SDL_UseAltivecPrefetch()
689 5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200 Sam Lantinga <slouken@libsdl.org> parents: 526 diff changeset	108 {
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	109 const char key[] = "hw.l3cachesize";
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	110 u_int64_t result = 0;
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	111 size_t typeSize = sizeof(result);
689 5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200 Sam Lantinga <slouken@libsdl.org> parents: 526 diff changeset	112
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	113 if (sysctlbyname(key, &result, &typeSize, NULL, 0) == 0 && result > 0) {
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	114 return SDL_TRUE;
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	115 } else {
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	116 return SDL_FALSE;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	117 }
689 5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200 Sam Lantinga <slouken@libsdl.org> parents: 526 diff changeset	118 }
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	119 #else
2249 5a58b57b6724 Added SSE and MMX optimization for SDL_FillRect() Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	120 static SDL_bool
5a58b57b6724 Added SSE and MMX optimization for SDL_FillRect() Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	121 SDL_UseAltivecPrefetch()
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	122 {
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	123 /* Just guess G4 */
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	124 return SDL_TRUE;
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	125 }
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	126 #endif /* __MACOSX__ */
689 5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200 Sam Lantinga <slouken@libsdl.org> parents: 526 diff changeset	127
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	128 static SDL_BlitFunc
2267 c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	129 SDL_ChooseBlitFunc(Uint32 src_format, Uint32 dst_format, int flags,
c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	130 SDL_BlitFuncEntry * entries)
689 5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200 Sam Lantinga <slouken@libsdl.org> parents: 526 diff changeset	131 {
2265 265bb136af92 More work in progress... Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	132 int i, flagcheck;
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	133 static Uint32 features = 0xffffffff;
689 5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200 Sam Lantinga <slouken@libsdl.org> parents: 526 diff changeset	134
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	135 /* Get the available CPU features */
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	136 if (features == 0xffffffff) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	137 const char *override = SDL_getenv("SDL_BLIT_CPU_FEATURES");
2250 e1d228456537 Fixed a few compiler warnings. Sam Lantinga <slouken@libsdl.org> parents: 2249 diff changeset	138
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	139 features = SDL_CPU_ANY;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	140
2250 e1d228456537 Fixed a few compiler warnings. Sam Lantinga <slouken@libsdl.org> parents: 2249 diff changeset	141 /* Allow an override for testing .. */
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	142 if (override) {
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	143 SDL_sscanf(override, "%u", &features);
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	144 } else {
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	145 if (SDL_HasMMX()) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	146 features \|= SDL_CPU_MMX;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	147 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	148 if (SDL_Has3DNow()) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	149 features \|= SDL_CPU_3DNOW;
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	150 }
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	151 if (SDL_HasSSE()) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	152 features \|= SDL_CPU_SSE;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	153 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	154 if (SDL_HasSSE2()) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	155 features \|= SDL_CPU_SSE2;
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	156 }
2250 e1d228456537 Fixed a few compiler warnings. Sam Lantinga <slouken@libsdl.org> parents: 2249 diff changeset	157 if (SDL_HasAltiVec()) {
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	158 if (SDL_UseAltivecPrefetch()) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	159 features \|= SDL_CPU_ALTIVEC_PREFETCH;
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	160 } else {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	161 features \|= SDL_CPU_ALTIVEC_NOPREFETCH;
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	162 }
93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	163 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	164 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	165 }
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	166
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	167 for (i = 0; entries[i].func; ++i) {
2265 265bb136af92 More work in progress... Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	168 /* Check for matching pixel formats */
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	169 if (src_format != entries[i].src_format) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	170 continue;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	171 }
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	172 if (dst_format != entries[i].dst_format) {
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	173 continue;
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	174 }
2265 265bb136af92 More work in progress... Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	175
265bb136af92 More work in progress... Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	176 /* Check modulation flags */
2267 c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	177 flagcheck =
2837 ff8db79a3cc9 Fixed bug picking blitters Sam Lantinga <slouken@libsdl.org> parents: 2824 diff changeset	178 (flags & (SDL_COPY_MODULATE_COLOR \| SDL_COPY_MODULATE_ALPHA));
2265 265bb136af92 More work in progress... Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	179 if ((flagcheck & entries[i].flags) != flagcheck) {
265bb136af92 More work in progress... Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	180 continue;
265bb136af92 More work in progress... Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	181 }
265bb136af92 More work in progress... Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	182
265bb136af92 More work in progress... Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	183 /* Check blend flags */
2267 c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	184 flagcheck =
c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	185 (flags &
c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	186 (SDL_COPY_MASK \| SDL_COPY_BLEND \| SDL_COPY_ADD \| SDL_COPY_MOD));
2265 265bb136af92 More work in progress... Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	187 if ((flagcheck & entries[i].flags) != flagcheck) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	188 continue;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	189 }
2265 265bb136af92 More work in progress... Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	190
265bb136af92 More work in progress... Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	191 /* Check colorkey flag */
265bb136af92 More work in progress... Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	192 flagcheck = (flags & SDL_COPY_COLORKEY);
265bb136af92 More work in progress... Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	193 if ((flagcheck & entries[i].flags) != flagcheck) {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	194 continue;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	195 }
2265 265bb136af92 More work in progress... Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	196
265bb136af92 More work in progress... Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	197 /* Check scaling flags */
265bb136af92 More work in progress... Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	198 flagcheck = (flags & SDL_COPY_NEAREST);
265bb136af92 More work in progress... Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	199 if ((flagcheck & entries[i].flags) != flagcheck) {
265bb136af92 More work in progress... Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	200 continue;
265bb136af92 More work in progress... Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	201 }
265bb136af92 More work in progress... Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	202
265bb136af92 More work in progress... Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	203 /* Check CPU features */
265bb136af92 More work in progress... Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	204 flagcheck = entries[i].cpu;
265bb136af92 More work in progress... Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	205 if ((flagcheck & features) != flagcheck) {
265bb136af92 More work in progress... Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	206 continue;
265bb136af92 More work in progress... Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	207 }
265bb136af92 More work in progress... Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	208
265bb136af92 More work in progress... Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	209 /* We found the best one! */
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	210 return entries[i].func;
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	211 }
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	212 return NULL;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	213 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	214
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	215 /* Figure out which of many blit routines to set up on a surface */
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	216 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	217 SDL_CalculateBlit(SDL_Surface * surface)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	218 {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	219 SDL_BlitFunc blit = NULL;
2266 e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2265 diff changeset	220 SDL_BlitMap *map = surface->map;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2265 diff changeset	221 SDL_Surface *dst = map->dst;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	222
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	223 /* Clean everything out to start */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	224 if ((surface->flags & SDL_RLEACCEL) == SDL_RLEACCEL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	225 SDL_UnRLESurface(surface, 1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	226 }
2266 e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2265 diff changeset	227 map->blit = SDL_SoftBlit;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2265 diff changeset	228 map->info.src_fmt = surface->format;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2265 diff changeset	229 map->info.src_pitch = surface->pitch;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2265 diff changeset	230 map->info.dst_fmt = dst->format;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2265 diff changeset	231 map->info.dst_pitch = dst->pitch;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	232
2266 e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2265 diff changeset	233 /* See if we can do RLE acceleration */
2805 2ed5ff5373d8 Preserve the desire for RLE acceleration Sam Lantinga <slouken@libsdl.org> parents: 2801 diff changeset	234 if (map->info.flags & SDL_COPY_RLE_DESIRED) {
2266 e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2265 diff changeset	235 if (SDL_RLESurface(surface) == 0) {
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2265 diff changeset	236 return 0;
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2265 diff changeset	237 }
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2265 diff changeset	238 }
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2265 diff changeset	239
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2265 diff changeset	240 /* Choose a standard blit function */
2801 5eb95b8adc1a Fixed copy blit detection Sam Lantinga <slouken@libsdl.org> parents: 2329 diff changeset	241 if (map->identity && !(map->info.flags & ~SDL_COPY_RLE_DESIRED)) {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	242 /* Handle overlapping blits on the same surface */
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	243 if (surface == dst) {
2257 340942cfda48 Moved the colorkey and per-surface alpha into the blit info, Sam Lantinga <slouken@libsdl.org> parents: 2255 diff changeset	244 blit = SDL_BlitCopyOverlap;
2247 93994f65c74c Removed hermes since it's LGPL and not compatible with a commercial license. Sam Lantinga <slouken@libsdl.org> parents: 1895 diff changeset	245 } else {
2257 340942cfda48 Moved the colorkey and per-surface alpha into the blit info, Sam Lantinga <slouken@libsdl.org> parents: 2255 diff changeset	246 blit = SDL_BlitCopy;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	247 }
2266 e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2265 diff changeset	248 } else if (surface->format->BitsPerPixel < 8) {
2267 c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	249 blit = SDL_CalculateBlit0(surface);
2266 e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2265 diff changeset	250 } else if (surface->format->BytesPerPixel == 1) {
2267 c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	251 blit = SDL_CalculateBlit1(surface);
c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	252 } else if (map->info.flags & SDL_COPY_BLEND) {
c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	253 blit = SDL_CalculateBlitA(surface);
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	254 } else {
2267 c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	255 blit = SDL_CalculateBlitN(surface);
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	256 }
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	257 if (blit == NULL) {
2267 c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	258 Uint32 src_format =
c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	259 SDL_MasksToPixelFormatEnum(surface->format->BitsPerPixel,
c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	260 surface->format->Rmask,
c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	261 surface->format->Gmask,
c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	262 surface->format->Bmask,
c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	263 surface->format->Amask);
c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	264 Uint32 dst_format =
c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	265 SDL_MasksToPixelFormatEnum(dst->format->BitsPerPixel,
2329 c1a390f6a819 ran make indent Bob Pendleton <bob@pendleton.com> parents: 2328 diff changeset	266 dst->format->Rmask,
2328 91e601d9df8b re: bug#563. checking in some commented out trace code and a fix so that the in testalpha.c the background only flashes when alpha == 255. The problem that is being Bob Pendleton <bob@pendleton.com> parents: 2267 diff changeset	267 dst->format->Gmask,
2267 c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	268 dst->format->Bmask,
c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	269 dst->format->Amask);
c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	270
c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	271 blit =
c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	272 SDL_ChooseBlitFunc(src_format, dst_format, map->info.flags,
c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	273 SDL_GeneratedBlitFuncTable);
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	274 }
2824 4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2805 diff changeset	275 #ifndef TEST_SLOW_BLIT
4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2805 diff changeset	276 if (blit == NULL)
4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2805 diff changeset	277 #endif
4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2805 diff changeset	278 {
4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2805 diff changeset	279 if (surface->format->BytesPerPixel > 1
4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2805 diff changeset	280 && dst->format->BytesPerPixel > 1) {
4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2805 diff changeset	281 blit = SDL_Blit_Slow;
4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2805 diff changeset	282 }
4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2805 diff changeset	283 }
2267 c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	284 map->data = blit;
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	285
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	286 /* Make sure we have a blit function */
2257 340942cfda48 Moved the colorkey and per-surface alpha into the blit info, Sam Lantinga <slouken@libsdl.org> parents: 2255 diff changeset	287 if (blit == NULL) {
2266 e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2265 diff changeset	288 SDL_InvalidateMap(map);
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	289 SDL_SetError("Blit combination not supported");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	290 return (-1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	291 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	292
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	293 return (0);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	294 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	295
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	296 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/video/SDL_blit.c @ 4837:2e446923c9fb