pandory500/SDL-mirror
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The YCbCr texture extension works now that bytes_per_pixel() returns the

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correct value for YUV textures.  Yay!

I'm still cheering for Ryan's pixel shader instead, since once it works
different shaders can handle all the YUV formats.

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%403305
This commit is contained in:
Sam Lantinga 2008-12-06 18:37:06 +00:00
parent f03cab2b46
commit 0fa8c80ca0
1 changed files with 22 additions and 1 deletions
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23
src/video/SDL_renderer_gl.c
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@ -660,6 +660,26 @@ 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->fragment_program_UYVY == 0) {
@ -680,6 +700,7 @@ GL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
return -1;
}
break;
#endif
default:
SDL_SetError("Unsupported texture format");
return -1;
@ -867,7 +888,7 @@ SetupTextureUpdate(GL_RenderData * renderdata, SDL_Texture * texture,
}
renderdata->glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
renderdata->glPixelStorei(GL_UNPACK_ROW_LENGTH,
(pitch / bytes_per_pixel(texture->format) / ((GL_TextureData *)texture->driverdata)->HACK_RYAN_FIXME));
(pitch / bytes_per_pixel(texture->format)) / ((GL_TextureData *)texture->driverdata)->HACK_RYAN_FIXME);
}
static int