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Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture

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--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%403306
This commit is contained in:
Sam Lantinga 2008-12-07 04:02:23 +00:00
parent 0fa8c80ca0
commit 5908561ee3
1 changed files with 47 additions and 22 deletions
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69
src/video/SDL_renderer_gl.c
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@ -146,6 +146,8 @@ typedef struct
SDL_bool updateSize;
SDL_bool GL_ARB_texture_rectangle_supported;
SDL_bool GL_EXT_paletted_texture_supported;
SDL_bool GL_APPLE_ycbcr_422_supported;
SDL_bool GL_MESA_ycbcr_texture_supported;
SDL_bool GL_ARB_fragment_program_supported;
int blendMode;
int scaleMode;
@ -378,6 +380,12 @@ GL_CreateRenderer(SDL_Window * window, Uint32 flags)
}
--info->num_texture_formats;
}
if (SDL_GL_ExtensionSupported("GL_APPLE_ycbcr_422")) {
data->GL_APPLE_ycbcr_422_supported = SDL_TRUE;
}
if (SDL_GL_ExtensionSupported("GL_MESA_ycbcr_texture")) {
data->GL_MESA_ycbcr_texture_supported = SDL_TRUE;
}
if (SDL_GL_ExtensionSupported("GL_APPLE_texture_range")) {
data->glTextureRangeAPPLE =
(void (*)(GLenum, GLsizei, const GLvoid *))
@ -483,7 +491,7 @@ compile_shader(GL_RenderData *data, GLenum shader_type, const char *source)
SDL_strlen(source), source);
if (data->glGetError() == GL_INVALID_OPERATION)
{
{
#if DEBUG_PROGRAM_COMPILE
GLint pos = 0;
const GLubyte *errstr;
@ -660,28 +668,24 @@ GL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
format = GL_BGRA;
type = GL_UNSIGNED_INT_2_10_10_10_REV;
break;
#if 0 /* Ryan's pixel shader code should be better, once it works. :) */
case SDL_PIXELFORMAT_UYVY:
// if (renderdata->GL_MESA_ycbcr_texture) {
// internalFormat = 3;
// format = GL_YCBCR_MESA;
// type = GL_UNSIGNED_SHORT_8_8_MESA;
// } else if (renderdata->GL_APPLE_ycbcr_422) {
internalFormat = GL_RGB;
format = GL_YCBCR_422_APPLE;
#if SDL_BYTEORDER == SDL_LIL_ENDIAN
type = GL_UNSIGNED_SHORT_8_8_APPLE;
#else
type = GL_UNSIGNED_SHORT_8_8_REV_APPLE;
#endif
// } else {
// SDL_SetError("Unsupported texture format");
// return -1;
// }
break;
#else
case SDL_PIXELFORMAT_UYVY:
if (renderdata->GL_ARB_fragment_program_supported) {
if (renderdata->GL_APPLE_ycbcr_422_supported) {
internalFormat = GL_RGB;
format = GL_YCBCR_422_APPLE;
#if SDL_BYTEORDER == SDL_LIL_ENDIAN
type = GL_UNSIGNED_SHORT_8_8_APPLE;
#else
type = GL_UNSIGNED_SHORT_8_8_REV_APPLE;
#endif
} else if (renderdata->GL_MESA_ycbcr_texture_supported) {
internalFormat = GL_RGB;
format = GL_YCBCR_MESA;
#if SDL_BYTEORDER == SDL_LIL_ENDIAN
type = GL_UNSIGNED_SHORT_8_8_MESA;
#else
type = GL_UNSIGNED_SHORT_8_8_REV_MESA;
#endif
} else if (renderdata->GL_ARB_fragment_program_supported) {
if (renderdata->fragment_program_UYVY == 0) {
renderdata->fragment_program_UYVY =
compile_shader(renderdata, GL_FRAGMENT_PROGRAM_ARB,
@ -700,7 +704,28 @@ GL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
return -1;
}
break;
case SDL_PIXELFORMAT_YUY2:
if (renderdata->GL_APPLE_ycbcr_422_supported) {
internalFormat = GL_RGB;
format = GL_YCBCR_422_APPLE;
#if SDL_BYTEORDER == SDL_LIL_ENDIAN
type = GL_UNSIGNED_SHORT_8_8_REV_APPLE;
#else
type = GL_UNSIGNED_SHORT_8_8_APPLE;
#endif
} else if (renderdata->GL_MESA_ycbcr_texture_supported) {
internalFormat = GL_RGB;
format = GL_YCBCR_MESA;
#if SDL_BYTEORDER == SDL_LIL_ENDIAN
type = GL_UNSIGNED_SHORT_8_8_REV_MESA;
#else
type = GL_UNSIGNED_SHORT_8_8_MESA;
#endif
} else {
SDL_SetError("Unsupported texture format");
return -1;
}
break;
default:
SDL_SetError("Unsupported texture format");
return -1;