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VideoCommon: Reduce duplicates of non-palette-requiring texture decode shaders

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This commit is contained in:
TellowKrinkle 2022-06-11 02:51:24 -05:00
commit 23c1721fbd
5 changed files with 34 additions and 20 deletions
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27
Source/Core/VideoCommon/TextureConversionShader.cpp
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@ -950,6 +950,7 @@ uint GetTiledTexelOffset(uint2 block_size, uint2 coords)
return buffer_pos;
}
#if defined(HAS_PALETTE)
uint4 GetPaletteColor(uint index)
{
// Fetch and swap BE to LE.
@ -994,6 +995,7 @@ float4 GetPaletteColorNormalized(uint index)
uint4 color = GetPaletteColor(index);
return float4(color) / 255.0;
}
#endif // defined(HAS_PALETTE)
)";
@ -1385,7 +1387,7 @@ std::pair<u32, u32> GetDispatchCount(const DecodingShaderInfo* info, u32 width,
(height + (info->group_size_y - 1)) / info->group_size_y};
}
std::string GenerateDecodingShader(TextureFormat format, TLUTFormat palette_format,
std::string GenerateDecodingShader(TextureFormat format, std::optional<TLUTFormat> palette_format,
APIType api_type)
{
const DecodingShaderInfo* info = GetDecodingShaderInfo(format);
@ -1393,17 +1395,20 @@ std::string GenerateDecodingShader(TextureFormat format, TLUTFormat palette_form
return "";
std::ostringstream ss;
switch (palette_format)
if (palette_format.has_value())
{
case TLUTFormat::IA8:
ss << "#define PALETTE_FORMAT_IA8 1\n";
break;
case TLUTFormat::RGB565:
ss << "#define PALETTE_FORMAT_RGB565 1\n";
break;
case TLUTFormat::RGB5A3:
ss << "#define PALETTE_FORMAT_RGB5A3 1\n";
break;
switch (*palette_format)
{
case TLUTFormat::IA8:
ss << "#define PALETTE_FORMAT_IA8 1\n";
break;
case TLUTFormat::RGB565:
ss << "#define PALETTE_FORMAT_RGB565 1\n";
break;
case TLUTFormat::RGB5A3:
ss << "#define PALETTE_FORMAT_RGB5A3 1\n";
break;
}
}
ss << decoding_shader_header;