Mercurial > sdl-ios-xcode
annotate src/video/SDL_yuv.c @ 666:fbec2501cf9f
ate: Mon, 4 Aug 2003 19:10:14 +0300
From: "Mike Gorchak"
Subject: SDL/QNX forgotten fixes
Just found, that one chunk for configure.in has not been applied and one for\
gotten by me :) Please add it to CVS.
P.S. Now QNX6.2.1 have the dlopen in libc and in the libltdl. So libc's vari\
ant more prefered, and ltdl rest for compatibility. In this small patch I wa\
s added proper checks.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Wed, 06 Aug 2003 20:20:30 +0000 |
| parents | 73440ac574a2 |
| children | cf9dd3aa6756 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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f6ffac90895c
Updated copyright information for 2002
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Library General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2 of the License, or (at your option) any later version. | |
| 9 | |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 Library General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Library General Public | |
| 16 License along with this library; if not, write to the Free | |
| 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | |
| 19 Sam Lantinga | |
|
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Updated the source with the correct e-mail address
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 #ifdef SAVE_RCSID | |
| 24 static char rcsid = | |
| 25 "@(#) $Id$"; | |
| 26 #endif | |
| 27 | |
| 28 /* This is the implementation of the YUV video surface support */ | |
| 29 | |
| 30 #include <stdlib.h> | |
| 31 #include <string.h> | |
| 32 | |
| 33 #include "SDL_getenv.h" | |
| 34 #include "SDL_video.h" | |
|
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You can't create a YUV overlay in OpenGL mode
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35 #include "SDL_error.h" |
| 0 | 36 #include "SDL_sysvideo.h" |
| 37 #include "SDL_yuvfuncs.h" | |
| 38 #include "SDL_yuv_sw_c.h" | |
| 39 | |
| 40 | |
| 41 SDL_Overlay *SDL_CreateYUVOverlay(int w, int h, Uint32 format, | |
| 42 SDL_Surface *display) | |
| 43 { | |
| 44 SDL_VideoDevice *video = current_video; | |
| 45 SDL_VideoDevice *this = current_video; | |
| 46 const char *yuv_hwaccel; | |
| 47 SDL_Overlay *overlay; | |
| 48 | |
|
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49 if ( (SDL_VideoSurface->flags & SDL_OPENGL) == SDL_OPENGL ) { |
|
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50 SDL_SetError("YUV overlays are not supported in OpenGL mode"); |
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51 return NULL; |
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73440ac574a2
You can't create a YUV overlay in OpenGL mode
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parents:
297
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52 } |
| 0 | 53 |
| 54 /* Display directly on video surface, if possible */ | |
|
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55 if ( getenv("SDL_VIDEO_YUV_DIRECT") ) { |
|
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Added the SDL_VIDEO_YUV_DIRECT hack for better performance when the
Sam Lantinga <slouken@lokigames.com>
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56 if ( (display == SDL_PublicSurface) && |
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Added the SDL_VIDEO_YUV_DIRECT hack for better performance when the
Sam Lantinga <slouken@lokigames.com>
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57 ((SDL_VideoSurface->format->BytesPerPixel == 2) || |
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Added the SDL_VIDEO_YUV_DIRECT hack for better performance when the
Sam Lantinga <slouken@lokigames.com>
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58 (SDL_VideoSurface->format->BytesPerPixel == 4)) ) { |
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1a2723474f12
Added the SDL_VIDEO_YUV_DIRECT hack for better performance when the
Sam Lantinga <slouken@lokigames.com>
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59 display = SDL_VideoSurface; |
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1a2723474f12
Added the SDL_VIDEO_YUV_DIRECT hack for better performance when the
Sam Lantinga <slouken@lokigames.com>
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60 } |
| 0 | 61 } |
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660
73440ac574a2
You can't create a YUV overlay in OpenGL mode
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
62 overlay = NULL; |
| 0 | 63 yuv_hwaccel = getenv("SDL_VIDEO_YUV_HWACCEL"); |
| 64 if ( ((display == SDL_VideoSurface) && video->CreateYUVOverlay) && | |
| 65 (!yuv_hwaccel || (atoi(yuv_hwaccel) > 0)) ) { | |
| 66 overlay = video->CreateYUVOverlay(this, w, h, format, display); | |
| 67 } | |
| 68 /* If hardware YUV overlay failed ... */ | |
| 69 if ( overlay == NULL ) { | |
| 70 overlay = SDL_CreateYUV_SW(this, w, h, format, display); | |
| 71 } | |
| 72 return overlay; | |
| 73 } | |
| 74 | |
| 75 int SDL_LockYUVOverlay(SDL_Overlay *overlay) | |
| 76 { | |
| 77 return overlay->hwfuncs->Lock(current_video, overlay); | |
| 78 } | |
| 79 | |
| 80 void SDL_UnlockYUVOverlay(SDL_Overlay *overlay) | |
| 81 { | |
| 82 overlay->hwfuncs->Unlock(current_video, overlay); | |
| 83 } | |
| 84 | |
| 85 int SDL_DisplayYUVOverlay(SDL_Overlay *overlay, SDL_Rect *dstrect) | |
| 86 { | |
| 87 return overlay->hwfuncs->Display(current_video, overlay, dstrect); | |
| 88 } | |
| 89 | |
| 90 void SDL_FreeYUVOverlay(SDL_Overlay *overlay) | |
| 91 { | |
| 92 if ( overlay ) { | |
| 93 if ( overlay->hwfuncs ) { | |
| 94 overlay->hwfuncs->FreeHW(current_video, overlay); | |
| 95 } | |
| 96 free(overlay); | |
| 97 } | |
| 98 } |