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@ -1555,40 +1555,48 @@ private: |
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Expression Texture(Operation operation) { |
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const auto& meta = std::get<MetaTexture>(operation.GetMeta()); |
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UNIMPLEMENTED_IF(!meta.aoffi.empty()); |
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const bool can_implicit = stage == ShaderType::Fragment; |
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const Id sampler = GetTextureSampler(operation); |
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const Id coords = GetCoordinates(operation, Type::Float); |
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std::vector<Id> operands; |
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spv::ImageOperandsMask mask{}; |
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if (meta.bias) { |
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mask = mask | spv::ImageOperandsMask::Bias; |
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operands.push_back(AsFloat(Visit(meta.bias))); |
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} |
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if (!can_implicit) { |
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mask = mask | spv::ImageOperandsMask::Lod; |
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operands.push_back(v_float_zero); |
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} |
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if (!meta.aoffi.empty()) { |
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mask = mask | spv::ImageOperandsMask::Offset; |
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operands.push_back(GetOffsetCoordinates(operation)); |
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} |
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if (meta.depth_compare) { |
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// Depth sampling
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UNIMPLEMENTED_IF(meta.bias); |
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const Id dref = AsFloat(Visit(meta.depth_compare)); |
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if (can_implicit) { |
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return {OpImageSampleDrefImplicitLod(t_float, sampler, coords, dref, {}), |
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Type::Float}; |
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return { |
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OpImageSampleDrefImplicitLod(t_float, sampler, coords, dref, mask, operands), |
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Type::Float}; |
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} else { |
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return {OpImageSampleDrefExplicitLod(t_float, sampler, coords, dref, |
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spv::ImageOperandsMask::Lod, v_float_zero), |
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Type::Float}; |
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return { |
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OpImageSampleDrefExplicitLod(t_float, sampler, coords, dref, mask, operands), |
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Type::Float}; |
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} |
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} |
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std::vector<Id> operands; |
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spv::ImageOperandsMask mask{}; |
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if (meta.bias) { |
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mask = mask | spv::ImageOperandsMask::Bias; |
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operands.push_back(AsFloat(Visit(meta.bias))); |
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} |
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Id texture; |
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if (can_implicit) { |
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texture = OpImageSampleImplicitLod(t_float4, sampler, coords, mask, operands); |
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} else { |
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texture = OpImageSampleExplicitLod(t_float4, sampler, coords, |
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mask | spv::ImageOperandsMask::Lod, v_float_zero, |
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operands); |
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texture = OpImageSampleExplicitLod(t_float4, sampler, coords, mask, operands); |
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} |
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return GetTextureElement(operation, texture, Type::Float); |
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} |
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@ -1601,7 +1609,8 @@ private: |
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const Id lod = AsFloat(Visit(meta.lod)); |
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spv::ImageOperandsMask mask = spv::ImageOperandsMask::Lod; |
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std::vector<Id> operands; |
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std::vector<Id> operands{lod}; |
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if (!meta.aoffi.empty()) { |
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mask = mask | spv::ImageOperandsMask::Offset; |
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operands.push_back(GetOffsetCoordinates(operation)); |
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@ -1609,11 +1618,10 @@ private: |
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if (meta.sampler.IsShadow()) { |
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const Id dref = AsFloat(Visit(meta.depth_compare)); |
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return { |
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OpImageSampleDrefExplicitLod(t_float, sampler, coords, dref, mask, lod, operands), |
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Type::Float}; |
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return {OpImageSampleDrefExplicitLod(t_float, sampler, coords, dref, mask, operands), |
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Type::Float}; |
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} |
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const Id texture = OpImageSampleExplicitLod(t_float4, sampler, coords, mask, lod, operands); |
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const Id texture = OpImageSampleExplicitLod(t_float4, sampler, coords, mask, operands); |
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return GetTextureElement(operation, texture, Type::Float); |
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} |
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@ -1722,7 +1730,7 @@ private: |
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const std::vector grad = {dx, dy}; |
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static constexpr auto mask = spv::ImageOperandsMask::Grad; |
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const Id texture = OpImageSampleImplicitLod(t_float4, sampler, coords, mask, grad); |
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const Id texture = OpImageSampleExplicitLod(t_float4, sampler, coords, mask, grad); |
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return GetTextureElement(operation, texture, Type::Float); |
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} |
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