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Convert NaN to 1 when generating texture coordinates

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This fixes eyelids in Shadow the Hedgehog during cutscenes (https://bugs.dolphin-emu.org/issues/11458)
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Pokechu22 2021-07-20 19:00:29 -07:00
commit 3a4d8379bf
3 changed files with 23 additions and 0 deletions
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7
Source/Core/VideoCommon/UberShaderVertex.cpp
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@ -435,6 +435,13 @@ static void GenVertexShaderTexGens(APIType api_type, u32 num_texgen, ShaderCode&
out.Write(" coord.z = 1.0f;\n"
"\n");
// Convert NaNs to 1 - needed to fix eyelids in Shadow the Hedgehog during cutscenes
// See https://bugs.dolphin-emu.org/issues/11458
out.Write(" // Convert NaN to 1\n");
out.Write(" if (isnan(coord.x)) coord.x = 1.0;\n");
out.Write(" if (isnan(coord.y)) coord.y = 1.0;\n");
out.Write(" if (isnan(coord.z)) coord.z = 1.0;\n");
out.Write(" // first transformation\n");
out.Write(" uint texgentype = {};\n", BitfieldExtract<&TexMtxInfo::texgentype>("texMtxInfo"));
out.Write(" float3 output_tex;\n"