sdl-ios-xcode: src/video/SDL

annotate src/video/SDL_blit.h @ 4778:9838d3525a1b

Stubbed out the new get/set parameter functions, added the start of the enum, union, and struct for those parameters themselves, and added doxygen comments throughout the SDL_shape.h header.

author	Eli Gottlieb <eligottlieb@gmail.com>
date	Thu, 10 Jun 2010 17:37:19 -0400
parents	1bceff8f008f
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: 3631 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: 1162 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: 1162 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: 1162 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: 1162 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: 1162 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: 1162 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: 163 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: 1312 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 #ifndef _SDL_blit_h
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	25 #define _SDL_blit_h
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	26
4426 1bceff8f008f Fixed bug #943 Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	27 #ifdef __MINGW32__
1bceff8f008f Fixed bug #943 Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	28 #include <_mingw.h>
1bceff8f008f Fixed bug #943 Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	29 #endif
1bceff8f008f Fixed bug #943 Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	30
1bceff8f008f Fixed bug #943 Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	31 #if defined(__MINGW32__) && defined(__MINGW64_VERSION_MAJOR)
1bceff8f008f Fixed bug #943 Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	32 #include <intrin.h>
1bceff8f008f Fixed bug #943 Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	33 #else
2249 5a58b57b6724 Added SSE and MMX optimization for SDL_FillRect() Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	34 #ifdef __MMX__
5a58b57b6724 Added SSE and MMX optimization for SDL_FillRect() Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	35 #include <mmintrin.h>
5a58b57b6724 Added SSE and MMX optimization for SDL_FillRect() Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	36 #endif
2261 c20476d7d7b3 Enabled 3DNow! intrinsic support Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	37 #ifdef __3dNOW__
c20476d7d7b3 Enabled 3DNow! intrinsic support Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	38 #include <mm3dnow.h>
c20476d7d7b3 Enabled 3DNow! intrinsic support Sam Lantinga <slouken@libsdl.org> parents: 2260 diff changeset	39 #endif
2249 5a58b57b6724 Added SSE and MMX optimization for SDL_FillRect() Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	40 #ifdef __SSE__
5a58b57b6724 Added SSE and MMX optimization for SDL_FillRect() Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	41 #include <xmmintrin.h>
5a58b57b6724 Added SSE and MMX optimization for SDL_FillRect() Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	42 #endif
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2261 diff changeset	43 #ifdef __SSE2__
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2261 diff changeset	44 #include <emmintrin.h>
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2261 diff changeset	45 #endif
4426 1bceff8f008f Fixed bug #943 Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	46 #endif
2249 5a58b57b6724 Added SSE and MMX optimization for SDL_FillRect() Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	47
2250 e1d228456537 Fixed a few compiler warnings. Sam Lantinga <slouken@libsdl.org> parents: 2249 diff changeset	48 #include "SDL_cpuinfo.h"
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	49 #include "SDL_endian.h"
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2859 diff changeset	50 #include "SDL_video.h"
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	51
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2261 diff changeset	52 /* SDL blit copy flags */
2266 e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	53 #define SDL_COPY_MODULATE_COLOR 0x00000001
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	54 #define SDL_COPY_MODULATE_ALPHA 0x00000002
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	55 #define SDL_COPY_MASK 0x00000010
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	56 #define SDL_COPY_BLEND 0x00000020
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	57 #define SDL_COPY_ADD 0x00000040
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	58 #define SDL_COPY_MOD 0x00000080
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	59 #define SDL_COPY_COLORKEY 0x00000100
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	60 #define SDL_COPY_NEAREST 0x00000200
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	61 #define SDL_COPY_RLE_DESIRED 0x00001000
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	62 #define SDL_COPY_RLE_COLORKEY 0x00002000
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	63 #define SDL_COPY_RLE_ALPHAKEY 0x00004000
2853 6258fa7cd300 Fixed picking blit function when RLE fails Sam Lantinga <slouken@libsdl.org> parents: 2824 diff changeset	64 #define SDL_COPY_RLE_MASK (SDL_COPY_RLE_DESIRED\|SDL_COPY_RLE_COLORKEY\|SDL_COPY_RLE_ALPHAKEY)
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2261 diff changeset	65
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2261 diff changeset	66 /* SDL blit CPU flags */
2266 e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	67 #define SDL_CPU_ANY 0x00000000
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	68 #define SDL_CPU_MMX 0x00000001
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	69 #define SDL_CPU_3DNOW 0x00000002
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	70 #define SDL_CPU_SSE 0x00000004
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	71 #define SDL_CPU_SSE2 0x00000008
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	72 #define SDL_CPU_ALTIVEC_PREFETCH 0x00000010
e61ad15a205f More work in progress integrating SDL_Surface and the new SDL_Texture API Sam Lantinga <slouken@libsdl.org> parents: 2263 diff changeset	73 #define SDL_CPU_ALTIVEC_NOPREFETCH 0x00000020
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2261 diff changeset	74
2267 c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	75 typedef struct
c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	76 {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2261 diff changeset	77 Uint8 *src;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2261 diff changeset	78 int src_w, src_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2261 diff changeset	79 int src_pitch;
2267 c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	80 int src_skip;
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2261 diff changeset	81 Uint8 *dst;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2261 diff changeset	82 int dst_w, dst_h;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2261 diff changeset	83 int dst_pitch;
2267 c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	84 int dst_skip;
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2261 diff changeset	85 SDL_PixelFormat *src_fmt;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2261 diff changeset	86 SDL_PixelFormat *dst_fmt;
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	87 Uint8 *table;
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2261 diff changeset	88 int flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2261 diff changeset	89 Uint32 colorkey;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2261 diff changeset	90 Uint8 r, g, b, a;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	91 } SDL_BlitInfo;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	92
2267 c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	93 typedef void (SDLCALL * SDL_BlitFunc) (SDL_BlitInfo * info);
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2261 diff changeset	94
2267 c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	95 typedef struct
c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	96 {
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2261 diff changeset	97 Uint32 src_format;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2261 diff changeset	98 Uint32 dst_format;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2261 diff changeset	99 int flags;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2261 diff changeset	100 int cpu;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2261 diff changeset	101 SDL_BlitFunc func;
bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2261 diff changeset	102 } SDL_BlitFuncEntry;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	103
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	104 /* Blit mapping definition */
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	105 typedef struct SDL_BlitMap
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	106 {
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	107 SDL_Surface *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	108 int identity;
2257 340942cfda48 Moved the colorkey and per-surface alpha into the blit info, Sam Lantinga <slouken@libsdl.org> parents: 2251 diff changeset	109 SDL_blit blit;
340942cfda48 Moved the colorkey and per-surface alpha into the blit info, Sam Lantinga <slouken@libsdl.org> parents: 2251 diff changeset	110 void *data;
2262 bee005ace1bf Work in progress: merging new texture features into SDL blit system Sam Lantinga <slouken@libsdl.org> parents: 2261 diff changeset	111 SDL_BlitInfo info;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	112
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	113 /* the version count matches the destination; mismatch indicates
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	114 an invalid mapping */
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	115 unsigned int format_version;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	116 } SDL_BlitMap;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	117
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	118 /* Functions found in SDL_blit.c */
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	119 extern int SDL_CalculateBlit(SDL_Surface * surface);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	120
2267 c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	121 /* Functions found in SDL_blit_.c /
c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	122 extern SDL_BlitFunc SDL_CalculateBlit0(SDL_Surface * surface);
c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	123 extern SDL_BlitFunc SDL_CalculateBlit1(SDL_Surface * surface);
c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	124 extern SDL_BlitFunc SDL_CalculateBlitN(SDL_Surface * surface);
c785543d1843 Okay, still some bugs, but everything builds again... Sam Lantinga <slouken@libsdl.org> parents: 2266 diff changeset	125 extern SDL_BlitFunc SDL_CalculateBlitA(SDL_Surface * surface);
2263 900c35d8e8fd More work in progress, still doesn't compile... Sam Lantinga <slouken@libsdl.org> parents: 2262 diff changeset	126
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	127 /*
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	128 * Useful macros for blitting routines
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	129 */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	130
2249 5a58b57b6724 Added SSE and MMX optimization for SDL_FillRect() Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	131 #if defined(__GNUC__)
5a58b57b6724 Added SSE and MMX optimization for SDL_FillRect() Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	132 #define DECLARE_ALIGNED(t,v,a) t __attribute__((aligned(a))) v
5a58b57b6724 Added SSE and MMX optimization for SDL_FillRect() Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	133 #elif defined(_MSC_VER)
2251 292bee385630 SSE and MMX intrinsics work with Visual Studio now... Sam Lantinga <slouken@libsdl.org> parents: 2250 diff changeset	134 #define DECLARE_ALIGNED(t,v,a) __declspec(align(a)) t v
2249 5a58b57b6724 Added SSE and MMX optimization for SDL_FillRect() Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	135 #else
5a58b57b6724 Added SSE and MMX optimization for SDL_FillRect() Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	136 #define DECLARE_ALIGNED(t,v,a) t v
5a58b57b6724 Added SSE and MMX optimization for SDL_FillRect() Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	137 #endif
5a58b57b6724 Added SSE and MMX optimization for SDL_FillRect() Sam Lantinga <slouken@libsdl.org> parents: 2247 diff changeset	138
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	139 #define FORMAT_EQUAL(A, B) \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	140 ((A)->BitsPerPixel == (B)->BitsPerPixel \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	141 && ((A)->Rmask == (B)->Rmask) && ((A)->Amask == (B)->Amask))
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	142
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	143 /* Load pixel of the specified format from a buffer and get its R-G-B values */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	144 /* FIXME: rescale values to 0..255 here? */
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	145 #define RGB_FROM_PIXEL(Pixel, fmt, r, g, b) \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	146 { \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	147 r = (((Pixel&fmt->Rmask)>>fmt->Rshift)<<fmt->Rloss); \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	148 g = (((Pixel&fmt->Gmask)>>fmt->Gshift)<<fmt->Gloss); \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	149 b = (((Pixel&fmt->Bmask)>>fmt->Bshift)<<fmt->Bloss); \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	150 }
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	151 #define RGB_FROM_RGB565(Pixel, r, g, b) \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	152 { \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	153 r = (((Pixel&0xF800)>>11)<<3); \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	154 g = (((Pixel&0x07E0)>>5)<<2); \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	155 b = ((Pixel&0x001F)<<3); \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	156 }
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	157 #define RGB_FROM_RGB555(Pixel, r, g, b) \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	158 { \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	159 r = (((Pixel&0x7C00)>>10)<<3); \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	160 g = (((Pixel&0x03E0)>>5)<<3); \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	161 b = ((Pixel&0x001F)<<3); \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	162 }
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	163 #define RGB_FROM_RGB888(Pixel, r, g, b) \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	164 { \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	165 r = ((Pixel&0xFF0000)>>16); \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	166 g = ((Pixel&0xFF00)>>8); \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	167 b = (Pixel&0xFF); \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	168 }
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	169 #define RETRIEVE_RGB_PIXEL(buf, bpp, Pixel) \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	170 do { \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	171 switch (bpp) { \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	172 case 2: \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	173 Pixel = ((Uint16 )(buf)); \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	174 break; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	175 \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	176 case 3: { \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	177 Uint8 B = (Uint8 )(buf); \
2824 4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	178 if (SDL_BYTEORDER == SDL_LIL_ENDIAN) { \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	179 Pixel = B[0] + (B[1] << 8) + (B[2] << 16); \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	180 } else { \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	181 Pixel = (B[0] << 16) + (B[1] << 8) + B[2]; \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	182 } \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	183 } \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	184 break; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	185 \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	186 case 4: \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	187 Pixel = ((Uint32 )(buf)); \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	188 break; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	189 \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	190 default: \
2824 4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	191 Pixel; /* stop gcc complaints */ \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	192 break; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	193 } \
2824 4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	194 } while (0)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	195
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	196 #define DISEMBLE_RGB(buf, bpp, fmt, Pixel, r, g, b) \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	197 do { \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	198 switch (bpp) { \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	199 case 2: \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	200 Pixel = ((Uint16 )(buf)); \
2824 4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	201 RGB_FROM_PIXEL(Pixel, fmt, r, g, b); \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	202 break; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	203 \
2824 4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	204 case 3: { \
4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	205 if (SDL_BYTEORDER == SDL_LIL_ENDIAN) { \
4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	206 r = *((buf)+fmt->Rshift/8); \
4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	207 g = *((buf)+fmt->Gshift/8); \
4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	208 b = *((buf)+fmt->Bshift/8); \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	209 } else { \
2824 4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	210 r = *((buf)+2-fmt->Rshift/8); \
4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	211 g = *((buf)+2-fmt->Gshift/8); \
4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	212 b = *((buf)+2-fmt->Bshift/8); \
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 break; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	216 \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	217 case 4: \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	218 Pixel = ((Uint32 )(buf)); \
2824 4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	219 RGB_FROM_PIXEL(Pixel, fmt, r, g, b); \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	220 break; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	221 \
2824 4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	222 default: \
4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	223 Pixel; /* stop gcc complaints */ \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	224 break; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	225 } \
2824 4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	226 } while (0)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	227
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	228 /* Assemble R-G-B values into a specified pixel format and store them */
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	229 #define PIXEL_FROM_RGB(Pixel, fmt, r, g, b) \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	230 { \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	231 Pixel = ((r>>fmt->Rloss)<<fmt->Rshift)\| \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	232 ((g>>fmt->Gloss)<<fmt->Gshift)\| \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	233 ((b>>fmt->Bloss)<<fmt->Bshift); \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	234 }
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	235 #define RGB565_FROM_RGB(Pixel, r, g, b) \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	236 { \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	237 Pixel = ((r>>3)<<11)\|((g>>2)<<5)\|(b>>3); \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	238 }
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	239 #define RGB555_FROM_RGB(Pixel, r, g, b) \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	240 { \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	241 Pixel = ((r>>3)<<10)\|((g>>3)<<5)\|(b>>3); \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	242 }
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	243 #define RGB888_FROM_RGB(Pixel, r, g, b) \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	244 { \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	245 Pixel = (r<<16)\|(g<<8)\|b; \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	246 }
2899 a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	247 #define ARGB8888_FROM_RGBA(Pixel, r, g, b, a) \
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	248 { \
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	249 Pixel = (a<<24)\|(r<<16)\|(g<<8)\|b; \
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	250 }
3054 8d93bfecb9dc Fixed alpha blending textures with the GDI renderer Sam Lantinga <slouken@libsdl.org> parents: 3035 diff changeset	251 #define RGBA8888_FROM_RGBA(Pixel, r, g, b, a) \
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer Sam Lantinga <slouken@libsdl.org> parents: 3035 diff changeset	252 { \
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer Sam Lantinga <slouken@libsdl.org> parents: 3035 diff changeset	253 Pixel = (r<<24)\|(g<<16)\|(b<<8)\|a; \
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer Sam Lantinga <slouken@libsdl.org> parents: 3035 diff changeset	254 }
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer Sam Lantinga <slouken@libsdl.org> parents: 3035 diff changeset	255 #define ABGR8888_FROM_RGBA(Pixel, r, g, b, a) \
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer Sam Lantinga <slouken@libsdl.org> parents: 3035 diff changeset	256 { \
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer Sam Lantinga <slouken@libsdl.org> parents: 3035 diff changeset	257 Pixel = (a<<24)\|(b<<16)\|(g<<8)\|r; \
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer Sam Lantinga <slouken@libsdl.org> parents: 3035 diff changeset	258 }
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer Sam Lantinga <slouken@libsdl.org> parents: 3035 diff changeset	259 #define BGRA8888_FROM_RGBA(Pixel, r, g, b, a) \
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer Sam Lantinga <slouken@libsdl.org> parents: 3035 diff changeset	260 { \
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer Sam Lantinga <slouken@libsdl.org> parents: 3035 diff changeset	261 Pixel = (b<<24)\|(g<<16)\|(r<<8)\|a; \
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer Sam Lantinga <slouken@libsdl.org> parents: 3035 diff changeset	262 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	263 #define ASSEMBLE_RGB(buf, bpp, fmt, r, g, b) \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	264 { \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	265 switch (bpp) { \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	266 case 2: { \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	267 Uint16 Pixel; \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	268 \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	269 PIXEL_FROM_RGB(Pixel, fmt, r, g, b); \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	270 ((Uint16 )(buf)) = Pixel; \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	271 } \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	272 break; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	273 \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	274 case 3: { \
2824 4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	275 if (SDL_BYTEORDER == SDL_LIL_ENDIAN) { \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	276 *((buf)+fmt->Rshift/8) = r; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	277 *((buf)+fmt->Gshift/8) = g; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	278 *((buf)+fmt->Bshift/8) = b; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	279 } else { \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	280 *((buf)+2-fmt->Rshift/8) = r; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	281 *((buf)+2-fmt->Gshift/8) = g; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	282 *((buf)+2-fmt->Bshift/8) = b; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	283 } \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	284 } \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	285 break; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	286 \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	287 case 4: { \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	288 Uint32 Pixel; \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	289 \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	290 PIXEL_FROM_RGB(Pixel, fmt, r, g, b); \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	291 ((Uint32 )(buf)) = Pixel; \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	292 } \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	293 break; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	294 } \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	295 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	296 #define ASSEMBLE_RGB_AMASK(buf, bpp, fmt, r, g, b, Amask) \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	297 { \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	298 switch (bpp) { \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	299 case 2: { \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	300 Uint16 *bufp; \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	301 Uint16 Pixel; \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	302 \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	303 bufp = (Uint16 *)buf; \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	304 PIXEL_FROM_RGB(Pixel, fmt, r, g, b); \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	305 bufp = Pixel \| (bufp & Amask); \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	306 } \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	307 break; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	308 \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	309 case 3: { \
2824 4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	310 if (SDL_BYTEORDER == SDL_LIL_ENDIAN) { \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	311 *((buf)+fmt->Rshift/8) = r; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	312 *((buf)+fmt->Gshift/8) = g; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	313 *((buf)+fmt->Bshift/8) = b; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	314 } else { \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	315 *((buf)+2-fmt->Rshift/8) = r; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	316 *((buf)+2-fmt->Gshift/8) = g; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	317 *((buf)+2-fmt->Bshift/8) = b; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	318 } \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	319 } \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	320 break; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	321 \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	322 case 4: { \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	323 Uint32 *bufp; \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	324 Uint32 Pixel; \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	325 \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	326 bufp = (Uint32 *)buf; \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	327 PIXEL_FROM_RGB(Pixel, fmt, r, g, b); \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	328 bufp = Pixel \| (bufp & Amask); \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	329 } \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	330 break; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	331 } \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	332 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	333
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	334 /* FIXME: Should we rescale alpha into 0..255 here? */
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	335 #define RGBA_FROM_PIXEL(Pixel, fmt, r, g, b, a) \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	336 { \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	337 r = ((Pixel&fmt->Rmask)>>fmt->Rshift)<<fmt->Rloss; \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	338 g = ((Pixel&fmt->Gmask)>>fmt->Gshift)<<fmt->Gloss; \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	339 b = ((Pixel&fmt->Bmask)>>fmt->Bshift)<<fmt->Bloss; \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	340 a = ((Pixel&fmt->Amask)>>fmt->Ashift)<<fmt->Aloss; \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	341 }
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	342 #define RGBA_FROM_8888(Pixel, fmt, r, g, b, a) \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	343 { \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	344 r = (Pixel&fmt->Rmask)>>fmt->Rshift; \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	345 g = (Pixel&fmt->Gmask)>>fmt->Gshift; \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	346 b = (Pixel&fmt->Bmask)>>fmt->Bshift; \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	347 a = (Pixel&fmt->Amask)>>fmt->Ashift; \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	348 }
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	349 #define RGBA_FROM_RGBA8888(Pixel, r, g, b, a) \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	350 { \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	351 r = (Pixel>>24); \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	352 g = ((Pixel>>16)&0xFF); \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	353 b = ((Pixel>>8)&0xFF); \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	354 a = (Pixel&0xFF); \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	355 }
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	356 #define RGBA_FROM_ARGB8888(Pixel, r, g, b, a) \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	357 { \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	358 r = ((Pixel>>16)&0xFF); \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	359 g = ((Pixel>>8)&0xFF); \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	360 b = (Pixel&0xFF); \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	361 a = (Pixel>>24); \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	362 }
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	363 #define RGBA_FROM_ABGR8888(Pixel, r, g, b, a) \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	364 { \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	365 r = (Pixel&0xFF); \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	366 g = ((Pixel>>8)&0xFF); \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	367 b = ((Pixel>>16)&0xFF); \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	368 a = (Pixel>>24); \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	369 }
3054 8d93bfecb9dc Fixed alpha blending textures with the GDI renderer Sam Lantinga <slouken@libsdl.org> parents: 3035 diff changeset	370 #define RGBA_FROM_BGRA8888(Pixel, r, g, b, a) \
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer Sam Lantinga <slouken@libsdl.org> parents: 3035 diff changeset	371 { \
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer Sam Lantinga <slouken@libsdl.org> parents: 3035 diff changeset	372 r = ((Pixel>>8)&0xFF); \
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer Sam Lantinga <slouken@libsdl.org> parents: 3035 diff changeset	373 g = ((Pixel>>16)&0xFF); \
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer Sam Lantinga <slouken@libsdl.org> parents: 3035 diff changeset	374 b = (Pixel>>24); \
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer Sam Lantinga <slouken@libsdl.org> parents: 3035 diff changeset	375 a = (Pixel&0xFF); \
8d93bfecb9dc Fixed alpha blending textures with the GDI renderer Sam Lantinga <slouken@libsdl.org> parents: 3035 diff changeset	376 }
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	377 #define DISEMBLE_RGBA(buf, bpp, fmt, Pixel, r, g, b, a) \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	378 do { \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	379 switch (bpp) { \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	380 case 2: \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	381 Pixel = ((Uint16 )(buf)); \
2824 4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	382 RGBA_FROM_PIXEL(Pixel, fmt, r, g, b, a); \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	383 break; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	384 \
2824 4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	385 case 3: { \
4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	386 if (SDL_BYTEORDER == SDL_LIL_ENDIAN) { \
4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	387 r = *((buf)+fmt->Rshift/8); \
4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	388 g = *((buf)+fmt->Gshift/8); \
4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	389 b = *((buf)+fmt->Bshift/8); \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	390 } else { \
2824 4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	391 r = *((buf)+2-fmt->Rshift/8); \
4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	392 g = *((buf)+2-fmt->Gshift/8); \
4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	393 b = *((buf)+2-fmt->Bshift/8); \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	394 } \
2824 4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	395 a = 0xFF; \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	396 } \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	397 break; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	398 \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	399 case 4: \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	400 Pixel = ((Uint32 )(buf)); \
2824 4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	401 RGBA_FROM_PIXEL(Pixel, fmt, r, g, b, a); \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	402 break; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	403 \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	404 default: \
2824 4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	405 Pixel; /* stop gcc complaints */ \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	406 break; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	407 } \
2824 4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	408 } while (0)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	409
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	410 /* FIXME: this isn't correct, especially for Alpha (maximum != 255) */
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	411 #define PIXEL_FROM_RGBA(Pixel, fmt, r, g, b, a) \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	412 { \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	413 Pixel = ((r>>fmt->Rloss)<<fmt->Rshift)\| \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	414 ((g>>fmt->Gloss)<<fmt->Gshift)\| \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	415 ((b>>fmt->Bloss)<<fmt->Bshift)\| \
535 917cc5c56176 Fixed alpha blending bug (thanks Glenn!) Sam Lantinga <slouken@libsdl.org> parents: 297 diff changeset	416 ((a>>fmt->Aloss)<<fmt->Ashift); \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	417 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	418 #define ASSEMBLE_RGBA(buf, bpp, fmt, r, g, b, a) \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	419 { \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	420 switch (bpp) { \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	421 case 2: { \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	422 Uint16 Pixel; \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	423 \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	424 PIXEL_FROM_RGBA(Pixel, fmt, r, g, b, a); \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	425 ((Uint16 )(buf)) = Pixel; \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	426 } \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	427 break; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	428 \
2824 4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	429 case 3: { \
4dba7aa7ea77 Added slow but complete blit fallback Sam Lantinga <slouken@libsdl.org> parents: 2267 diff changeset	430 if (SDL_BYTEORDER == SDL_LIL_ENDIAN) { \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	431 *((buf)+fmt->Rshift/8) = r; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	432 *((buf)+fmt->Gshift/8) = g; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	433 *((buf)+fmt->Bshift/8) = b; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	434 } else { \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	435 *((buf)+2-fmt->Rshift/8) = r; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	436 *((buf)+2-fmt->Gshift/8) = g; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	437 *((buf)+2-fmt->Bshift/8) = b; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	438 } \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	439 } \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	440 break; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	441 \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	442 case 4: { \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	443 Uint32 Pixel; \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	444 \
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	445 PIXEL_FROM_RGBA(Pixel, fmt, r, g, b, a); \
2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	446 ((Uint32 )(buf)) = Pixel; \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	447 } \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	448 break; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	449 } \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	450 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	451
1162 2651158f59b8 Enable altivec blitters on PowerPC Linux, and some fixes for recent Ryan C. Gordon <icculus@icculus.org> parents: 1047 diff changeset	452 /* Blend the RGB values of two Pixels based on a source alpha value */
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	453 #define ALPHA_BLEND(sR, sG, sB, A, dR, dG, dB) \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	454 do { \
3631 76667e288846 Revert r5463: Alpha blend "correctness" patch. Ryan C. Gordon <icculus@icculus.org> parents: 3625 diff changeset	455 dR = ((((int)(sR-dR)*(int)A)/255)+dR); \
76667e288846 Revert r5463: Alpha blend "correctness" patch. Ryan C. Gordon <icculus@icculus.org> parents: 3625 diff changeset	456 dG = ((((int)(sG-dG)*(int)A)/255)+dG); \
76667e288846 Revert r5463: Alpha blend "correctness" patch. Ryan C. Gordon <icculus@icculus.org> parents: 3625 diff changeset	457 dB = ((((int)(sB-dB)*(int)A)/255)+dB); \
1047 ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	458 } while(0)
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	459
ffaaf7ecf685 Altivec-optimized blitters! Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	460
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	461 /* This is a very useful loop for optimizing blitters */
553 417f8709e648 There's a bug in the VC7 optimizer relating to the duff loop optimization Sam Lantinga <slouken@libsdl.org> parents: 535 diff changeset	462 #if defined(_MSC_VER) && (_MSC_VER == 1300)
417f8709e648 There's a bug in the VC7 optimizer relating to the duff loop optimization Sam Lantinga <slouken@libsdl.org> parents: 535 diff changeset	463 /* There's a bug in the Visual C++ 7 optimizer when compiling this code */
417f8709e648 There's a bug in the VC7 optimizer relating to the duff loop optimization Sam Lantinga <slouken@libsdl.org> parents: 535 diff changeset	464 #else
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	465 #define USE_DUFFS_LOOP
553 417f8709e648 There's a bug in the VC7 optimizer relating to the duff loop optimization Sam Lantinga <slouken@libsdl.org> parents: 535 diff changeset	466 #endif
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	467 #ifdef USE_DUFFS_LOOP
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	468
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	469 /* 8-times unrolled loop */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	470 #define DUFFS_LOOP8(pixel_copy_increment, width) \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	471 { int n = (width+7)/8; \
91 e85e03f195b4 From: "Markus F.X.J. Oberhumer" Sam Lantinga <slouken@lokigames.com> parents: 0 diff changeset	472 switch (width & 7) { \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	473 case 0: do { pixel_copy_increment; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	474 case 7: pixel_copy_increment; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	475 case 6: pixel_copy_increment; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	476 case 5: pixel_copy_increment; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	477 case 4: pixel_copy_increment; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	478 case 3: pixel_copy_increment; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	479 case 2: pixel_copy_increment; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	480 case 1: pixel_copy_increment; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	481 } while ( --n > 0 ); \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	482 } \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	483 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	484
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	485 /* 4-times unrolled loop */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	486 #define DUFFS_LOOP4(pixel_copy_increment, width) \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	487 { int n = (width+3)/4; \
91 e85e03f195b4 From: "Markus F.X.J. Oberhumer" Sam Lantinga <slouken@lokigames.com> parents: 0 diff changeset	488 switch (width & 3) { \
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	489 case 0: do { pixel_copy_increment; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	490 case 3: pixel_copy_increment; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	491 case 2: pixel_copy_increment; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	492 case 1: pixel_copy_increment; \
3035 ff602fdfdedc Removed Rafal Bursig's MMX RLE code, at his request. Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	493 } while (--n > 0); \
689 5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200 Sam Lantinga <slouken@libsdl.org> parents: 553 diff changeset	494 } \
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200 Sam Lantinga <slouken@libsdl.org> parents: 553 diff changeset	495 }
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200 Sam Lantinga <slouken@libsdl.org> parents: 553 diff changeset	496
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	497 /* Use the 8-times version of the loop by default */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	498 #define DUFFS_LOOP(pixel_copy_increment, width) \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	499 DUFFS_LOOP8(pixel_copy_increment, width)
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	500
3035 ff602fdfdedc Removed Rafal Bursig's MMX RLE code, at his request. Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	501 /* Special version of Duff's device for even more optimization */
ff602fdfdedc Removed Rafal Bursig's MMX RLE code, at his request. Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	502 #define DUFFS_LOOP_124(pixel_copy_increment1, \
ff602fdfdedc Removed Rafal Bursig's MMX RLE code, at his request. Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	503 pixel_copy_increment2, \
ff602fdfdedc Removed Rafal Bursig's MMX RLE code, at his request. Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	504 pixel_copy_increment4, width) \
ff602fdfdedc Removed Rafal Bursig's MMX RLE code, at his request. Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	505 { int n = width; \
ff602fdfdedc Removed Rafal Bursig's MMX RLE code, at his request. Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	506 if (n & 1) { \
ff602fdfdedc Removed Rafal Bursig's MMX RLE code, at his request. Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	507 pixel_copy_increment1; n -= 1; \
ff602fdfdedc Removed Rafal Bursig's MMX RLE code, at his request. Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	508 } \
ff602fdfdedc Removed Rafal Bursig's MMX RLE code, at his request. Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	509 if (n & 2) { \
ff602fdfdedc Removed Rafal Bursig's MMX RLE code, at his request. Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	510 pixel_copy_increment2; n -= 2; \
ff602fdfdedc Removed Rafal Bursig's MMX RLE code, at his request. Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	511 } \
ff602fdfdedc Removed Rafal Bursig's MMX RLE code, at his request. Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	512 if (n) { \
ff602fdfdedc Removed Rafal Bursig's MMX RLE code, at his request. Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	513 n = (n+7)/ 8; \
ff602fdfdedc Removed Rafal Bursig's MMX RLE code, at his request. Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	514 switch (n & 4) { \
ff602fdfdedc Removed Rafal Bursig's MMX RLE code, at his request. Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	515 case 0: do { pixel_copy_increment4; \
ff602fdfdedc Removed Rafal Bursig's MMX RLE code, at his request. Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	516 case 4: pixel_copy_increment4; \
ff602fdfdedc Removed Rafal Bursig's MMX RLE code, at his request. Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	517 } while (--n > 0); \
ff602fdfdedc Removed Rafal Bursig's MMX RLE code, at his request. Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	518 } \
ff602fdfdedc Removed Rafal Bursig's MMX RLE code, at his request. Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	519 } \
689 5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200 Sam Lantinga <slouken@libsdl.org> parents: 553 diff changeset	520 }
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200 Sam Lantinga <slouken@libsdl.org> parents: 553 diff changeset	521
3035 ff602fdfdedc Removed Rafal Bursig's MMX RLE code, at his request. Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	522 #else
689 5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200 Sam Lantinga <slouken@libsdl.org> parents: 553 diff changeset	523
5bb080d35049 Date: Tue, 19 Aug 2003 17:57:00 +0200 Sam Lantinga <slouken@libsdl.org> parents: 553 diff changeset	524 /* Don't use Duff's device to unroll loops */
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	525 #define DUFFS_LOOP(pixel_copy_increment, width) \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	526 { int n; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	527 for ( n=width; n > 0; --n ) { \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	528 pixel_copy_increment; \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	529 } \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	530 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	531 #define DUFFS_LOOP8(pixel_copy_increment, width) \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	532 DUFFS_LOOP(pixel_copy_increment, width)
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	533 #define DUFFS_LOOP4(pixel_copy_increment, width) \
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	534 DUFFS_LOOP(pixel_copy_increment, width)
3035 ff602fdfdedc Removed Rafal Bursig's MMX RLE code, at his request. Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	535 #define DUFFS_LOOP_124(pixel_copy_increment1, \
ff602fdfdedc Removed Rafal Bursig's MMX RLE code, at his request. Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	536 pixel_copy_increment2, \
ff602fdfdedc Removed Rafal Bursig's MMX RLE code, at his request. Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	537 pixel_copy_increment4, width) \
ff602fdfdedc Removed Rafal Bursig's MMX RLE code, at his request. Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	538 DUFFS_LOOP(pixel_copy_increment1, width)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	539
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	540 #endif /* USE_DUFFS_LOOP */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	541
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	542 /* Prevent Visual C++ 6.0 from printing out stupid warnings */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	543 #if defined(_MSC_VER) && (_MSC_VER >= 600)
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	544 #pragma warning(disable: 4550)
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	545 #endif
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	546
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	547 #endif /* _SDL_blit_h */
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2859 diff changeset	548
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	549 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/video/SDL_blit.h @ 4778:9838d3525a1b