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VideoCommon: Fix color channel logic when per-pixel lighting is in use

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This was broken in #10012 (specifically by 06579e4d53 and c3dec34391).
This commit is contained in:
Pokechu22
2021-10-13 20:43:32 -07:00
parent 023eb0b702
commit a372a5947b
4 changed files with 44 additions and 52 deletions
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8
Source/Core/VideoCommon/UberShaderPixel.cpp
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@ -748,6 +748,14 @@ ShaderCode GenPixelShader(APIType api_type, const ShaderHostConfig& host_config,
WriteVertexLighting(out, api_type, "lit_pos", "lit_normal", "colors_0", "colors_1",
"lit_colors_0", "lit_colors_1");
color_input_prefix = "lit_";
out.Write(" // The number of colors available to TEV is determined by numColorChans.\n"
" // Normally this is performed in the vertex shader after lighting,\n"
" // but with per-pixel lighting, we need to perform it here.\n"
" // TODO: Actually implement this for ubershaders\n"
" // if (xfmem_numColorChans == 0u)\n"
" // o.colors_0 = float4(0.0, 0.0, 0.0, 0.0);\n"
" // if (xfmem_numColorChans <= 1u)\n"
" // o.colors_1 = float4(0.0, 0.0, 0.0, 0.0);\n");
}
out.Write(" uint num_stages = {};\n\n",