Mercurial > sdl-ios-xcode

annotate src/video/SDL_yuv_sw_c.h @ 3257:94fb40a4a9a7

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merged Martin's code changes from Google Summer of Code 2009
author Sam Lantinga <slouken@libsdl.org>
date Mon, 07 Sep 2009 04:51:29 +0000
parents 99210400e8b9
children f7b03b6838cb
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
2859
99210400e8b9 Updated copyright date
Sam Lantinga <slouken@libsdl.org>
parents: 2781
diff changeset
3 Copyright (C) 1997-2009 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: 769
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: 769
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: 769
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: 769
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: 769
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: 769
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: 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 #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
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
27 /* This is the software implementation of the YUV texture support */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
28
3257
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
29 struct SDL_SW_YUVTexture
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
30 {
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
31 Uint32 format;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
32 Uint32 target_format;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
33 int w, h;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
34 Uint8 *pixels;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
35 int *colortab;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
36 Uint32 *rgb_2_pix;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
37 void (*Display1X) (int *colortab, Uint32 * rgb_2_pix,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
38 unsigned char *lum, unsigned char *cr,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
39 unsigned char *cb, unsigned char *out,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
40 int rows, int cols, int mod);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
41 void (*Display2X) (int *colortab, Uint32 * rgb_2_pix,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
42 unsigned char *lum, unsigned char *cr,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
43 unsigned char *cb, unsigned char *out,
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
44 int rows, int cols, int mod);
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
45
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
46 /* These are just so we don't have to allocate them separately */
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
47 Uint16 pitches[3];
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
48 Uint8 *planes[3];
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
49
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
50 /* This is a temporary surface in case we have to stretch copy */
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
51 SDL_Surface *stretch;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
52 SDL_Surface *display;
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
53 };
94fb40a4a9a7 Merged Martin's code changes from Google Summer of Code 2009
Sam Lantinga <slouken@libsdl.org>
parents: 2859
diff changeset
54
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
55 typedef struct SDL_SW_YUVTexture SDL_SW_YUVTexture;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
56
2781
5651642f4a78 Added software fallback for YUV overlay code when YUV textures aren't available.
Sam Lantinga <slouken@libsdl.org>
parents: 1895
diff changeset
57 SDL_SW_YUVTexture *SDL_SW_CreateYUVTexture(Uint32 format, int w, int h);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
58 int SDL_SW_QueryYUVTexturePixels(SDL_SW_YUVTexture * swdata, void **pixels,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
59 int *pitch);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
60 int SDL_SW_UpdateYUVTexture(SDL_SW_YUVTexture * swdata, const SDL_Rect * rect,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
61 const void *pixels, int pitch);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
62 int SDL_SW_LockYUVTexture(SDL_SW_YUVTexture * swdata, const SDL_Rect * rect,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
63 int markDirty, void **pixels, int *pitch);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
64 void SDL_SW_UnlockYUVTexture(SDL_SW_YUVTexture * swdata);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
65 int SDL_SW_CopyYUVToRGB(SDL_SW_YUVTexture * swdata, const 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: 1643
diff changeset
66 Uint32 target_format, int w, int h, void *pixels,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
67 int pitch);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
68 void SDL_SW_DestroyYUVTexture(SDL_SW_YUVTexture * swdata);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
69
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
70 /* vi: set ts=4 sw=4 expandtab: */