Updated SDL's YUV support, many thanks to Adrien Descamps

New functions get and set the YUV colorspace conversion mode:
	SDL_SetYUVConversionMode()
	SDL_GetYUVConversionMode()
	SDL_GetYUVConversionModeForResolution()

SDL_ConvertPixels() converts between all supported RGB and YUV formats, with SSE acceleration for converting from planar YUV formats (YV12, NV12, etc) to common RGB/RGBA formats.

Added a new test program, testyuv, to verify correctness and speed of YUV conversion functionality.
This commit is contained in:
Sam Lantinga 2017-11-12 22:51:12 -08:00
parent e7cc03e0bd
commit 145d2469ae
60 changed files with 8368 additions and 4310 deletions

View file

@ -20,11 +20,11 @@
*/
#include "../../SDL_internal.h"
#if SDL_VIDEO_RENDER_OGL_ES2
#ifndef SDL_shaders_gles2_h_
#define SDL_shaders_gles2_h_
#if SDL_VIDEO_RENDER_OGL_ES2
typedef struct GLES2_ShaderInstance
{
GLenum type;
@ -47,17 +47,23 @@ typedef enum
GLES2_SHADER_FRAGMENT_TEXTURE_ARGB_SRC,
GLES2_SHADER_FRAGMENT_TEXTURE_BGR_SRC,
GLES2_SHADER_FRAGMENT_TEXTURE_RGB_SRC,
GLES2_SHADER_FRAGMENT_TEXTURE_YUV_SRC,
GLES2_SHADER_FRAGMENT_TEXTURE_NV12_SRC,
GLES2_SHADER_FRAGMENT_TEXTURE_NV21_SRC
GLES2_SHADER_FRAGMENT_TEXTURE_YUV_JPEG_SRC,
GLES2_SHADER_FRAGMENT_TEXTURE_YUV_BT601_SRC,
GLES2_SHADER_FRAGMENT_TEXTURE_YUV_BT709_SRC,
GLES2_SHADER_FRAGMENT_TEXTURE_NV12_JPEG_SRC,
GLES2_SHADER_FRAGMENT_TEXTURE_NV12_BT601_SRC,
GLES2_SHADER_FRAGMENT_TEXTURE_NV12_BT709_SRC,
GLES2_SHADER_FRAGMENT_TEXTURE_NV21_JPEG_SRC,
GLES2_SHADER_FRAGMENT_TEXTURE_NV21_BT601_SRC,
GLES2_SHADER_FRAGMENT_TEXTURE_NV21_BT709_SRC,
} GLES2_ShaderType;
#define GLES2_SOURCE_SHADER (GLenum)-1
const GLES2_Shader *GLES2_GetShader(GLES2_ShaderType type);
#endif /* SDL_shaders_gles2_h_ */
#endif /* SDL_VIDEO_RENDER_OGL_ES2 */
#endif /* SDL_shaders_gles2_h_ */
/* vi: set ts=4 sw=4 expandtab: */