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Added color scale info for the GPU renderer TODO item

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Sam Lantinga
2024-10-20 18:37:21 -07:00
parent 4b54e32231
commit e2254b1045
1 changed files with 1 additions and 0 deletions
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src/render/gpu/SDL_render_gpu.c
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@@ -432,6 +432,7 @@ static bool GPU_QueueGeometry(SDL_Renderer *renderer, SDL_RenderCommand *cmd, SD
} }
// FIXME: The Vulkan backend doesn't multiply by color_scale. GL does. I'm not sure which one is wrong. // FIXME: The Vulkan backend doesn't multiply by color_scale. GL does. I'm not sure which one is wrong.
// ANSWER: The color scale should be applied in linear space when using the scRGB colorspace. This is done in shaders in the Vulkan backend.
*(verts++) = col_.r * color_scale; *(verts++) = col_.r * color_scale;
*(verts++) = col_.g * color_scale; *(verts++) = col_.g * color_scale;
*(verts++) = col_.b * color_scale; *(verts++) = col_.b * color_scale;