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Added a hint for alternate OpenGL NV12 data format

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This commit is contained in:
Sam Lantinga
2021-11-13 22:21:57 -08:00
parent 8a6e48d46d
commit c55ab9631f
3 changed files with 62 additions and 18 deletions
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12
src/render/opengles2/SDL_render_gles2.c
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@@ -569,10 +569,18 @@ GLES2_SelectProgram(GLES2_RenderData *data, GLES2_ImageSource source, int w, int
ftype = GLES2_SHADER_FRAGMENT_TEXTURE_NV12_JPEG;
break;
case SDL_YUV_CONVERSION_BT601:
ftype = GLES2_SHADER_FRAGMENT_TEXTURE_NV12_BT601;
if (SDL_GetHintBoolean("SDL_RENDER_OPENGL_NV12_RG_SHADER", SDL_FALSE)) {
ftype = GLES2_SHADER_FRAGMENT_TEXTURE_NV12_RG_BT601;
} else {
ftype = GLES2_SHADER_FRAGMENT_TEXTURE_NV12_RA_BT601;
}
break;
case SDL_YUV_CONVERSION_BT709:
ftype = GLES2_SHADER_FRAGMENT_TEXTURE_NV12_BT709;
if (SDL_GetHintBoolean("SDL_RENDER_OPENGL_NV12_RG_SHADER", SDL_FALSE)) {
ftype = GLES2_SHADER_FRAGMENT_TEXTURE_NV12_RG_BT709;
} else {
ftype = GLES2_SHADER_FRAGMENT_TEXTURE_NV12_RA_BT709;
}
break;
default:
SDL_SetError("Unsupported YUV conversion mode: %d\n", SDL_GetYUVConversionModeForResolution(w, h));