pandory500/SDL-mirror
2
0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Made it possible to create a texture of any format, even if not supported by the renderer.

Browse source 
This allows me to reduce the set of formats supported by the renderers to the most optimal set, for a nice speed boost.

--HG--
rename : src/video/SDL_yuv_mmx.c => src/render/SDL_yuv_mmx.c
rename : src/video/SDL_yuv_sw.c => src/render/SDL_yuv_sw.c
rename : src/video/SDL_yuv_sw_c.h => src/render/SDL_yuv_sw_c.h
rename : src/video/mmx.h => src/render/mmx.h
This commit is contained in:
Sam Lantinga 2011-02-03 00:19:40 -08:00
parent 613d92a832
commit d2b54f7d24
20 changed files with 585 additions and 1315 deletions
Download patch file Download diff file Expand all files Collapse all files

69
src/render/SDL_yuv_sw_c.h Normal file
View file

@ -0,0 +1,69 @@
/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2010 Sam Lantinga
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Sam Lantinga
slouken@libsdl.org
*/
#include "SDL_config.h"
#include "SDL_video.h"
/* This is the software implementation of the YUV texture support */
struct SDL_SW_YUVTexture
{
Uint32 format;
Uint32 target_format;
int w, h;
Uint8 *pixels;
int *colortab;
Uint32 *rgb_2_pix;
void (*Display1X) (int *colortab, Uint32 * rgb_2_pix,
unsigned char *lum, unsigned char *cr,
unsigned char *cb, unsigned char *out,
int rows, int cols, int mod);
void (*Display2X) (int *colortab, Uint32 * rgb_2_pix,
unsigned char *lum, unsigned char *cr,
unsigned char *cb, unsigned char *out,
int rows, int cols, int mod);
/* These are just so we don't have to allocate them separately */
Uint16 pitches[3];
Uint8 *planes[3];
/* This is a temporary surface in case we have to stretch copy */
SDL_Surface *stretch;
SDL_Surface *display;
};
typedef struct SDL_SW_YUVTexture SDL_SW_YUVTexture;
SDL_SW_YUVTexture *SDL_SW_CreateYUVTexture(Uint32 format, int w, int h);
int SDL_SW_QueryYUVTexturePixels(SDL_SW_YUVTexture * swdata, void **pixels,
int *pitch);
int SDL_SW_UpdateYUVTexture(SDL_SW_YUVTexture * swdata, const SDL_Rect * rect,
const void *pixels, int pitch);
int SDL_SW_LockYUVTexture(SDL_SW_YUVTexture * swdata, const SDL_Rect * rect,
void **pixels, int *pitch);
void SDL_SW_UnlockYUVTexture(SDL_SW_YUVTexture * swdata);
int SDL_SW_CopyYUVToRGB(SDL_SW_YUVTexture * swdata, const SDL_Rect * srcrect,
Uint32 target_format, int w, int h, void *pixels,
int pitch);
void SDL_SW_DestroyYUVTexture(SDL_SW_YUVTexture * swdata);
/* vi: set ts=4 sw=4 expandtab: */