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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.
This commit is contained in:
Sam Lantinga 2008-12-06 18:37:06 +00:00
parent 928e9517fe
commit 7013fda70a
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