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Merge pull request #10292 from OatmealDome/lodbias-take-two

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PixelShaderGen: Use LOD bias when sampling texture on Metal and OpenGL ES
This commit is contained in:
JMC47
2021-12-28 02:45:14 -05:00
committed by GitHub
parent 8d237eb102 056613ecc5
commit 01e8e950e8
12 changed files with 35 additions and 2 deletions
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14
Source/Core/VideoCommon/PixelShaderGen.cpp
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@ -648,7 +648,19 @@ uint WrapCoord(int coord, uint wrap, int size) {{
" float3 coords = float3(float(uv.x) / size_s, float(uv.y) / size_t, layer);\n");
if (api_type == APIType::OpenGL || api_type == APIType::Vulkan)
{
out.Write(" return iround(255.0 * texture(tex, coords));\n}}\n");
if (!host_config.backend_sampler_lod_bias)
{
out.Write(" uint texmode0 = samp_texmode0(texmap);\n"
" float lod_bias = {} / 256.0f;\n"
" return iround(255.0 * texture(tex, coords, lod_bias));\n",
BitfieldExtract<&SamplerState::TM0::lod_bias>("texmode0"));
}
else
{
out.Write(" return iround(255.0 * texture(tex, coords));\n");
}
out.Write("}}\n");
}
else if (api_type == APIType::D3D)
{

1
Source/Core/VideoCommon/ShaderGenCommon.cpp
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@ -42,6 +42,7 @@ ShaderHostConfig ShaderHostConfig::GetCurrent()
bits.manual_texture_sampling = !g_ActiveConfig.bFastTextureSampling;
bits.manual_texture_sampling_custom_texture_sizes =
g_ActiveConfig.ManualTextureSamplingWithHiResTextures();
bits.backend_sampler_lod_bias = g_ActiveConfig.backend_info.bSupportsLodBiasInSampler;
return bits;
}

1
Source/Core/VideoCommon/ShaderGenCommon.h
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@ -172,6 +172,7 @@ union ShaderHostConfig
BitField<23, 1, bool, u32> enable_validation_layer;
BitField<24, 1, bool, u32> manual_texture_sampling;
BitField<25, 1, bool, u32> manual_texture_sampling_custom_texture_sizes;
BitField<26, 1, bool, u32> backend_sampler_lod_bias;
static ShaderHostConfig GetCurrent();
};

1
Source/Core/VideoCommon/VideoConfig.h
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@ -233,6 +233,7 @@ struct VideoConfig final
bool bSupportsPipelineCacheData = false;
bool bSupportsCoarseDerivatives = false;
bool bSupportsTextureQueryLevels = false;
bool bSupportsLodBiasInSampler = false;
} backend_info;
// Utility