mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-11-25 21:10:04 +00:00
1576 lines
50 KiB
C++
1576 lines
50 KiB
C++
// Copyright (c) 2019 Valve Corporation
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// Copyright (c) 2019 LunarG Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Convert Relaxed to Half tests
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#include <string>
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#include <vector>
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#include "test/opt/assembly_builder.h"
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#include "test/opt/pass_fixture.h"
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#include "test/opt/pass_utils.h"
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namespace spvtools {
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namespace opt {
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namespace {
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using ConvertToHalfTest = PassTest<::testing::Test>;
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TEST_F(ConvertToHalfTest, ConvertToHalfBasic) {
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// The resulting SPIR-V was processed with --relax-float-ops.
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//
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// clang-format off
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//
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// SamplerState g_sSamp : register(s0);
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// uniform Texture1D <float4> g_tTex1df4 : register(t0);
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//
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// struct PS_INPUT
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// {
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// float Tex0 : TEXCOORD0;
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// };
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//
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// struct PS_OUTPUT
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// {
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// float4 Color : SV_Target0;
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// };
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//
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// cbuffer cbuff{
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// float c;
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// }
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//
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// PS_OUTPUT main(PS_INPUT i)
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// {
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// PS_OUTPUT psout;
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// psout.Color = g_tTex1df4.Sample(g_sSamp, i.Tex0) * c;
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// return psout;
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// }
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//
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// clang-format on
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const std::string defs_before =
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R"(OpCapability Shader
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OpCapability Sampled1D
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main" %i_Tex0 %_entryPointOutput_Color
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OpExecutionMode %main OriginUpperLeft
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OpSource HLSL 500
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OpName %main "main"
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OpName %g_tTex1df4 "g_tTex1df4"
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OpName %g_sSamp "g_sSamp"
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OpName %cbuff "cbuff"
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OpMemberName %cbuff 0 "c"
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OpName %_ ""
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OpName %i_Tex0 "i.Tex0"
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OpName %_entryPointOutput_Color "@entryPointOutput.Color"
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OpDecorate %g_tTex1df4 DescriptorSet 0
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OpDecorate %g_tTex1df4 Binding 0
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OpDecorate %g_sSamp DescriptorSet 0
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OpDecorate %g_sSamp Binding 0
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OpMemberDecorate %cbuff 0 Offset 0
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OpDecorate %cbuff Block
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OpDecorate %_ DescriptorSet 0
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OpDecorate %_ Binding 1
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OpDecorate %i_Tex0 Location 0
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OpDecorate %_entryPointOutput_Color Location 0
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OpDecorate %48 RelaxedPrecision
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OpDecorate %63 RelaxedPrecision
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OpDecorate %65 RelaxedPrecision
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OpDecorate %66 RelaxedPrecision
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%void = OpTypeVoid
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%3 = OpTypeFunction %void
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%float = OpTypeFloat 32
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%v4float = OpTypeVector %float 4
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%int = OpTypeInt 32 1
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%int_0 = OpConstant %int 0
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%19 = OpTypeImage %float 1D 0 0 0 1 Unknown
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%_ptr_UniformConstant_19 = OpTypePointer UniformConstant %19
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%g_tTex1df4 = OpVariable %_ptr_UniformConstant_19 UniformConstant
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%23 = OpTypeSampler
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%_ptr_UniformConstant_23 = OpTypePointer UniformConstant %23
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%g_sSamp = OpVariable %_ptr_UniformConstant_23 UniformConstant
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%27 = OpTypeSampledImage %19
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%cbuff = OpTypeStruct %float
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%_ptr_Uniform_cbuff = OpTypePointer Uniform %cbuff
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%_ = OpVariable %_ptr_Uniform_cbuff Uniform
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%_ptr_Uniform_float = OpTypePointer Uniform %float
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%_ptr_Input_float = OpTypePointer Input %float
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%i_Tex0 = OpVariable %_ptr_Input_float Input
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%_ptr_Output_v4float = OpTypePointer Output %v4float
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%_entryPointOutput_Color = OpVariable %_ptr_Output_v4float Output
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)";
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const std::string defs_after =
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R"(OpCapability Shader
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OpCapability Sampled1D
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OpCapability Float16
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main" %i_Tex0 %_entryPointOutput_Color
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OpExecutionMode %main OriginUpperLeft
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OpSource HLSL 500
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OpName %main "main"
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OpName %g_tTex1df4 "g_tTex1df4"
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OpName %g_sSamp "g_sSamp"
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OpName %cbuff "cbuff"
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OpMemberName %cbuff 0 "c"
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OpName %_ ""
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OpName %i_Tex0 "i.Tex0"
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OpName %_entryPointOutput_Color "@entryPointOutput.Color"
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OpDecorate %g_tTex1df4 DescriptorSet 0
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OpDecorate %g_tTex1df4 Binding 0
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OpDecorate %g_sSamp DescriptorSet 0
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OpDecorate %g_sSamp Binding 0
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OpMemberDecorate %cbuff 0 Offset 0
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OpDecorate %cbuff Block
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OpDecorate %_ DescriptorSet 0
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OpDecorate %_ Binding 1
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OpDecorate %i_Tex0 Location 0
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OpDecorate %_entryPointOutput_Color Location 0
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%void = OpTypeVoid
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%3 = OpTypeFunction %void
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%float = OpTypeFloat 32
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%v4float = OpTypeVector %float 4
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%int = OpTypeInt 32 1
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%int_0 = OpConstant %int 0
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%19 = OpTypeImage %float 1D 0 0 0 1 Unknown
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%_ptr_UniformConstant_19 = OpTypePointer UniformConstant %19
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%g_tTex1df4 = OpVariable %_ptr_UniformConstant_19 UniformConstant
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%23 = OpTypeSampler
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%_ptr_UniformConstant_23 = OpTypePointer UniformConstant %23
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%g_sSamp = OpVariable %_ptr_UniformConstant_23 UniformConstant
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%27 = OpTypeSampledImage %19
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%cbuff = OpTypeStruct %float
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%_ptr_Uniform_cbuff = OpTypePointer Uniform %cbuff
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%_ = OpVariable %_ptr_Uniform_cbuff Uniform
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%_ptr_Uniform_float = OpTypePointer Uniform %float
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%_ptr_Input_float = OpTypePointer Input %float
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%i_Tex0 = OpVariable %_ptr_Input_float Input
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%_ptr_Output_v4float = OpTypePointer Output %v4float
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%_entryPointOutput_Color = OpVariable %_ptr_Output_v4float Output
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%half = OpTypeFloat 16
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%v4half = OpTypeVector %half 4
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)";
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const std::string func_before =
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R"(%main = OpFunction %void None %3
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%5 = OpLabel
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%48 = OpLoad %float %i_Tex0
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%58 = OpLoad %19 %g_tTex1df4
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%59 = OpLoad %23 %g_sSamp
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%60 = OpSampledImage %27 %58 %59
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%63 = OpImageSampleImplicitLod %v4float %60 %48
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%64 = OpAccessChain %_ptr_Uniform_float %_ %int_0
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%65 = OpLoad %float %64
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%66 = OpVectorTimesScalar %v4float %63 %65
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OpStore %_entryPointOutput_Color %66
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OpReturn
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OpFunctionEnd
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)";
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const std::string func_after =
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R"(%main = OpFunction %void None %3
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%5 = OpLabel
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%48 = OpLoad %float %i_Tex0
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%58 = OpLoad %19 %g_tTex1df4
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%59 = OpLoad %23 %g_sSamp
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%60 = OpSampledImage %27 %58 %59
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%63 = OpImageSampleImplicitLod %v4float %60 %48
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%64 = OpAccessChain %_ptr_Uniform_float %_ %int_0
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%65 = OpLoad %float %64
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%69 = OpFConvert %v4half %63
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%70 = OpFConvert %half %65
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%66 = OpVectorTimesScalar %v4half %69 %70
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%71 = OpFConvert %v4float %66
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OpStore %_entryPointOutput_Color %71
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OpReturn
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OpFunctionEnd
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)";
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SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
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SinglePassRunAndCheck<ConvertToHalfPass>(defs_before + func_before,
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defs_after + func_after, true, true);
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}
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TEST_F(ConvertToHalfTest, ConvertToHalfForLinkage) {
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const std::string before =
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R"(OpCapability Shader
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OpCapability Linkage
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OpMemoryModel Logical GLSL450
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OpSource HLSL 630
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OpName %type_cbuff "type.cbuff"
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OpMemberName %type_cbuff 0 "c"
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OpName %cbuff "cbuff"
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OpName %main "main"
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OpName %BaseColor "BaseColor"
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OpName %bb_entry "bb.entry"
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OpName %v "v"
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OpDecorate %main LinkageAttributes "main" Export
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OpDecorate %cbuff DescriptorSet 0
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OpDecorate %cbuff Binding 0
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OpMemberDecorate %type_cbuff 0 Offset 0
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OpDecorate %type_cbuff Block
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OpDecorate %18 RelaxedPrecision
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%int = OpTypeInt 32 1
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%int_0 = OpConstant %int 0
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%float = OpTypeFloat 32
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%type_cbuff = OpTypeStruct %float
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%_ptr_Uniform_type_cbuff = OpTypePointer Uniform %type_cbuff
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%v4float = OpTypeVector %float 4
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%_ptr_Function_v4float = OpTypePointer Function %v4float
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%9 = OpTypeFunction %v4float %_ptr_Function_v4float
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%_ptr_Uniform_float = OpTypePointer Uniform %float
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%cbuff = OpVariable %_ptr_Uniform_type_cbuff Uniform
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%main = OpFunction %v4float None %9
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%BaseColor = OpFunctionParameter %_ptr_Function_v4float
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%bb_entry = OpLabel
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%v = OpVariable %_ptr_Function_v4float Function
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%14 = OpLoad %v4float %BaseColor
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%16 = OpAccessChain %_ptr_Uniform_float %cbuff %int_0
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%17 = OpLoad %float %16
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%18 = OpVectorTimesScalar %v4float %14 %17
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OpStore %v %18
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%19 = OpLoad %v4float %v
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OpReturnValue %19
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OpFunctionEnd
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)";
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const std::string after =
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R"(OpCapability Shader
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OpCapability Linkage
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OpCapability Float16
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OpMemoryModel Logical GLSL450
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OpSource HLSL 630
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OpName %type_cbuff "type.cbuff"
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OpMemberName %type_cbuff 0 "c"
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OpName %cbuff "cbuff"
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OpName %main "main"
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OpName %BaseColor "BaseColor"
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OpName %bb_entry "bb.entry"
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OpName %v "v"
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OpDecorate %main LinkageAttributes "main" Export
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OpDecorate %cbuff DescriptorSet 0
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OpDecorate %cbuff Binding 0
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OpMemberDecorate %type_cbuff 0 Offset 0
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OpDecorate %type_cbuff Block
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%int = OpTypeInt 32 1
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%int_0 = OpConstant %int 0
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%float = OpTypeFloat 32
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%type_cbuff = OpTypeStruct %float
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%_ptr_Uniform_type_cbuff = OpTypePointer Uniform %type_cbuff
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%v4float = OpTypeVector %float 4
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%_ptr_Function_v4float = OpTypePointer Function %v4float
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%14 = OpTypeFunction %v4float %_ptr_Function_v4float
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%_ptr_Uniform_float = OpTypePointer Uniform %float
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%cbuff = OpVariable %_ptr_Uniform_type_cbuff Uniform
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%half = OpTypeFloat 16
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%v4half = OpTypeVector %half 4
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%main = OpFunction %v4float None %14
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%BaseColor = OpFunctionParameter %_ptr_Function_v4float
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%bb_entry = OpLabel
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%v = OpVariable %_ptr_Function_v4float Function
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%16 = OpLoad %v4float %BaseColor
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%17 = OpAccessChain %_ptr_Uniform_float %cbuff %int_0
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%18 = OpLoad %float %17
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%22 = OpFConvert %v4half %16
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%23 = OpFConvert %half %18
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%7 = OpVectorTimesScalar %v4half %22 %23
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%24 = OpFConvert %v4float %7
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OpStore %v %24
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%19 = OpLoad %v4float %v
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OpReturnValue %19
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OpFunctionEnd
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)";
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SinglePassRunAndCheck<ConvertToHalfPass>(before, after, true, true);
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}
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TEST_F(ConvertToHalfTest, ConvertToHalfWithDrefSample) {
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// The resulting SPIR-V was processed with --relax-float-ops.
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//
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// clang-format off
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//
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// SamplerComparisonState g_sSamp : register(s0);
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// uniform Texture1D <float4> g_tTex1df4 : register(t0);
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//
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// cbuffer cbuff{
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// float c1;
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// float c2;
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// };
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//
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// struct PS_INPUT
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// {
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// float Tex0 : TEXCOORD0;
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// float Tex1 : TEXCOORD1;
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// };
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//
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// struct PS_OUTPUT
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// {
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// float Color : SV_Target0;
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// };
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//
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// PS_OUTPUT main(PS_INPUT i)
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// {
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// PS_OUTPUT psout;
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// float txval10 = g_tTex1df4.SampleCmp(g_sSamp, i.Tex0 * 0.1, c1 + 0.1);
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// float txval11 = g_tTex1df4.SampleCmp(g_sSamp, i.Tex1 * 0.2, c2 + 0.2);
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// float t = txval10 + txval11;
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// float t2 = t / 2.0;
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// psout.Color = t2;
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// return psout;
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// }
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//
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// clang-format on
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const std::string defs_before =
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R"(OpCapability Shader
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OpCapability Sampled1D
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main" %i_Tex0 %i_Tex1 %_entryPointOutput_Color
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OpExecutionMode %main OriginUpperLeft
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OpSource HLSL 500
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OpName %main "main"
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OpName %g_tTex1df4 "g_tTex1df4"
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OpName %g_sSamp "g_sSamp"
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OpName %cbuff "cbuff"
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OpMemberName %cbuff 0 "c1"
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OpMemberName %cbuff 1 "c2"
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OpName %_ ""
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OpName %i_Tex0 "i.Tex0"
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OpName %i_Tex1 "i.Tex1"
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OpName %_entryPointOutput_Color "@entryPointOutput.Color"
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OpDecorate %g_tTex1df4 DescriptorSet 0
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OpDecorate %g_tTex1df4 Binding 0
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OpDecorate %g_sSamp DescriptorSet 0
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OpDecorate %g_sSamp Binding 0
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OpMemberDecorate %cbuff 0 Offset 0
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OpMemberDecorate %cbuff 1 Offset 4
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OpDecorate %cbuff Block
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OpDecorate %_ DescriptorSet 0
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OpDecorate %_ Binding 1
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OpDecorate %i_Tex0 Location 0
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OpDecorate %i_Tex1 Location 1
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OpDecorate %_entryPointOutput_Color Location 0
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OpDecorate %100 RelaxedPrecision
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OpDecorate %76 RelaxedPrecision
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OpDecorate %79 RelaxedPrecision
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OpDecorate %98 RelaxedPrecision
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OpDecorate %101 RelaxedPrecision
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OpDecorate %110 RelaxedPrecision
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OpDecorate %102 RelaxedPrecision
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OpDecorate %112 RelaxedPrecision
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OpDecorate %104 RelaxedPrecision
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OpDecorate %113 RelaxedPrecision
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OpDecorate %114 RelaxedPrecision
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OpDecorate %116 RelaxedPrecision
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OpDecorate %119 RelaxedPrecision
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OpDecorate %121 RelaxedPrecision
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%void = OpTypeVoid
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%3 = OpTypeFunction %void
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%float = OpTypeFloat 32
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%16 = OpTypeImage %float 1D 1 0 0 1 Unknown
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%_ptr_UniformConstant_16 = OpTypePointer UniformConstant %16
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%g_tTex1df4 = OpVariable %_ptr_UniformConstant_16 UniformConstant
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%20 = OpTypeSampler
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%_ptr_UniformConstant_20 = OpTypePointer UniformConstant %20
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%g_sSamp = OpVariable %_ptr_UniformConstant_20 UniformConstant
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%24 = OpTypeSampledImage %16
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%int = OpTypeInt 32 1
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%int_0 = OpConstant %int 0
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%float_0_100000001 = OpConstant %float 0.100000001
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%cbuff = OpTypeStruct %float %float
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%_ptr_Uniform_cbuff = OpTypePointer Uniform %cbuff
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%_ = OpVariable %_ptr_Uniform_cbuff Uniform
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%_ptr_Uniform_float = OpTypePointer Uniform %float
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%v2float = OpTypeVector %float 2
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%int_1 = OpConstant %int 1
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%float_0_200000003 = OpConstant %float 0.200000003
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%_ptr_Input_float = OpTypePointer Input %float
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%i_Tex0 = OpVariable %_ptr_Input_float Input
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%i_Tex1 = OpVariable %_ptr_Input_float Input
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%_ptr_Output_float = OpTypePointer Output %float
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%_entryPointOutput_Color = OpVariable %_ptr_Output_float Output
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%float_0_5 = OpConstant %float 0.5
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)";
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const std::string defs_after =
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R"(OpCapability Shader
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OpCapability Sampled1D
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OpCapability Float16
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main" %i_Tex0 %i_Tex1 %_entryPointOutput_Color
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OpExecutionMode %main OriginUpperLeft
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OpSource HLSL 500
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OpName %main "main"
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OpName %g_tTex1df4 "g_tTex1df4"
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OpName %g_sSamp "g_sSamp"
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OpName %cbuff "cbuff"
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OpMemberName %cbuff 0 "c1"
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OpMemberName %cbuff 1 "c2"
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OpName %_ ""
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OpName %i_Tex0 "i.Tex0"
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OpName %i_Tex1 "i.Tex1"
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OpName %_entryPointOutput_Color "@entryPointOutput.Color"
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OpDecorate %g_tTex1df4 DescriptorSet 0
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OpDecorate %g_tTex1df4 Binding 0
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OpDecorate %g_sSamp DescriptorSet 0
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OpDecorate %g_sSamp Binding 0
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OpMemberDecorate %cbuff 0 Offset 0
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OpMemberDecorate %cbuff 1 Offset 4
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OpDecorate %cbuff Block
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OpDecorate %_ DescriptorSet 0
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OpDecorate %_ Binding 1
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OpDecorate %i_Tex0 Location 0
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OpDecorate %i_Tex1 Location 1
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OpDecorate %_entryPointOutput_Color Location 0
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%void = OpTypeVoid
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%25 = OpTypeFunction %void
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%float = OpTypeFloat 32
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%27 = OpTypeImage %float 1D 1 0 0 1 Unknown
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%_ptr_UniformConstant_27 = OpTypePointer UniformConstant %27
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%g_tTex1df4 = OpVariable %_ptr_UniformConstant_27 UniformConstant
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%29 = OpTypeSampler
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%_ptr_UniformConstant_29 = OpTypePointer UniformConstant %29
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%g_sSamp = OpVariable %_ptr_UniformConstant_29 UniformConstant
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%31 = OpTypeSampledImage %27
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%int = OpTypeInt 32 1
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%int_0 = OpConstant %int 0
|
|
%float_0_100000001 = OpConstant %float 0.100000001
|
|
%cbuff = OpTypeStruct %float %float
|
|
%_ptr_Uniform_cbuff = OpTypePointer Uniform %cbuff
|
|
%_ = OpVariable %_ptr_Uniform_cbuff Uniform
|
|
%_ptr_Uniform_float = OpTypePointer Uniform %float
|
|
%v2float = OpTypeVector %float 2
|
|
%int_1 = OpConstant %int 1
|
|
%float_0_200000003 = OpConstant %float 0.200000003
|
|
%_ptr_Input_float = OpTypePointer Input %float
|
|
%i_Tex0 = OpVariable %_ptr_Input_float Input
|
|
%i_Tex1 = OpVariable %_ptr_Input_float Input
|
|
%_ptr_Output_float = OpTypePointer Output %float
|
|
%_entryPointOutput_Color = OpVariable %_ptr_Output_float Output
|
|
%float_0_5 = OpConstant %float 0.5
|
|
%half = OpTypeFloat 16
|
|
%v2half = OpTypeVector %half 2
|
|
)";
|
|
|
|
const std::string func_before =
|
|
R"(%main = OpFunction %void None %3
|
|
%5 = OpLabel
|
|
%76 = OpLoad %float %i_Tex0
|
|
%79 = OpLoad %float %i_Tex1
|
|
%93 = OpLoad %16 %g_tTex1df4
|
|
%94 = OpLoad %20 %g_sSamp
|
|
%95 = OpSampledImage %24 %93 %94
|
|
%98 = OpFMul %float %76 %float_0_100000001
|
|
%99 = OpAccessChain %_ptr_Uniform_float %_ %int_0
|
|
%100 = OpLoad %float %99
|
|
%101 = OpFAdd %float %100 %float_0_100000001
|
|
%102 = OpCompositeConstruct %v2float %98 %101
|
|
%104 = OpImageSampleDrefImplicitLod %float %95 %102 %101
|
|
%105 = OpLoad %16 %g_tTex1df4
|
|
%106 = OpLoad %20 %g_sSamp
|
|
%107 = OpSampledImage %24 %105 %106
|
|
%110 = OpFMul %float %79 %float_0_200000003
|
|
%111 = OpAccessChain %_ptr_Uniform_float %_ %int_1
|
|
%112 = OpLoad %float %111
|
|
%113 = OpFAdd %float %112 %float_0_200000003
|
|
%114 = OpCompositeConstruct %v2float %110 %113
|
|
%116 = OpImageSampleDrefImplicitLod %float %107 %114 %113
|
|
%119 = OpFAdd %float %104 %116
|
|
%121 = OpFMul %float %119 %float_0_5
|
|
OpStore %_entryPointOutput_Color %121
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string func_after =
|
|
R"(%main = OpFunction %void None %25
|
|
%43 = OpLabel
|
|
%11 = OpLoad %float %i_Tex0
|
|
%12 = OpLoad %float %i_Tex1
|
|
%44 = OpLoad %27 %g_tTex1df4
|
|
%45 = OpLoad %29 %g_sSamp
|
|
%46 = OpSampledImage %31 %44 %45
|
|
%53 = OpFConvert %half %11
|
|
%54 = OpFConvert %half %float_0_100000001
|
|
%13 = OpFMul %half %53 %54
|
|
%47 = OpAccessChain %_ptr_Uniform_float %_ %int_0
|
|
%10 = OpLoad %float %47
|
|
%55 = OpFConvert %half %10
|
|
%56 = OpFConvert %half %float_0_100000001
|
|
%14 = OpFAdd %half %55 %56
|
|
%16 = OpCompositeConstruct %v2half %13 %14
|
|
%58 = OpFConvert %float %14
|
|
%18 = OpImageSampleDrefImplicitLod %float %46 %16 %58
|
|
%48 = OpLoad %27 %g_tTex1df4
|
|
%49 = OpLoad %29 %g_sSamp
|
|
%50 = OpSampledImage %31 %48 %49
|
|
%59 = OpFConvert %half %12
|
|
%60 = OpFConvert %half %float_0_200000003
|
|
%15 = OpFMul %half %59 %60
|
|
%51 = OpAccessChain %_ptr_Uniform_float %_ %int_1
|
|
%17 = OpLoad %float %51
|
|
%61 = OpFConvert %half %17
|
|
%62 = OpFConvert %half %float_0_200000003
|
|
%19 = OpFAdd %half %61 %62
|
|
%20 = OpCompositeConstruct %v2half %15 %19
|
|
%63 = OpFConvert %float %19
|
|
%21 = OpImageSampleDrefImplicitLod %float %50 %20 %63
|
|
%64 = OpFConvert %half %18
|
|
%65 = OpFConvert %half %21
|
|
%22 = OpFAdd %half %64 %65
|
|
%66 = OpFConvert %half %float_0_5
|
|
%23 = OpFMul %half %22 %66
|
|
%67 = OpFConvert %float %23
|
|
OpStore %_entryPointOutput_Color %67
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<ConvertToHalfPass>(defs_before + func_before,
|
|
defs_after + func_after, true, true);
|
|
}
|
|
|
|
TEST_F(ConvertToHalfTest, ConvertToHalfWithVectorMatrixMult) {
|
|
// The resulting SPIR-V was processed with --relax-float-ops.
|
|
//
|
|
// clang-format off
|
|
//
|
|
// SamplerState g_sSamp : register(s0);
|
|
// uniform Texture1D <float4> g_tTex1df4 : register(t0);
|
|
//
|
|
// struct PS_OUTPUT
|
|
// {
|
|
// float4 Color : SV_Target0;
|
|
// };
|
|
//
|
|
// cbuffer cbuff{
|
|
// float4x4 M;
|
|
// }
|
|
//
|
|
// PS_OUTPUT main()
|
|
// {
|
|
// PS_OUTPUT psout;
|
|
// float4 txval10 = g_tTex1df4.Sample(g_sSamp, 0.1);
|
|
// float4 t = mul(txval10, M);
|
|
// psout.Color = t;
|
|
// return psout;
|
|
//}
|
|
//
|
|
// clang-format on
|
|
|
|
const std::string defs_before =
|
|
R"(OpCapability Shader
|
|
OpCapability Sampled1D
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %_entryPointOutput_Color
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource HLSL 500
|
|
OpName %main "main"
|
|
OpName %g_tTex1df4 "g_tTex1df4"
|
|
OpName %g_sSamp "g_sSamp"
|
|
OpName %cbuff "cbuff"
|
|
OpMemberName %cbuff 0 "M"
|
|
OpName %_ ""
|
|
OpName %_entryPointOutput_Color "@entryPointOutput.Color"
|
|
OpDecorate %g_tTex1df4 DescriptorSet 0
|
|
OpDecorate %g_tTex1df4 Binding 0
|
|
OpDecorate %g_sSamp DescriptorSet 0
|
|
OpDecorate %g_sSamp Binding 0
|
|
OpMemberDecorate %cbuff 0 RowMajor
|
|
OpMemberDecorate %cbuff 0 Offset 0
|
|
OpMemberDecorate %cbuff 0 MatrixStride 16
|
|
OpDecorate %cbuff Block
|
|
OpDecorate %_ DescriptorSet 0
|
|
OpDecorate %_ Binding 1
|
|
OpDecorate %_entryPointOutput_Color Location 0
|
|
OpDecorate %56 RelaxedPrecision
|
|
OpDecorate %58 RelaxedPrecision
|
|
OpDecorate %60 RelaxedPrecision
|
|
%void = OpTypeVoid
|
|
%3 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%14 = OpTypeImage %float 1D 0 0 0 1 Unknown
|
|
%_ptr_UniformConstant_14 = OpTypePointer UniformConstant %14
|
|
%g_tTex1df4 = OpVariable %_ptr_UniformConstant_14 UniformConstant
|
|
%18 = OpTypeSampler
|
|
%_ptr_UniformConstant_18 = OpTypePointer UniformConstant %18
|
|
%g_sSamp = OpVariable %_ptr_UniformConstant_18 UniformConstant
|
|
%22 = OpTypeSampledImage %14
|
|
%float_0_100000001 = OpConstant %float 0.100000001
|
|
%mat4v4float = OpTypeMatrix %v4float 4
|
|
%cbuff = OpTypeStruct %mat4v4float
|
|
%_ptr_Uniform_cbuff = OpTypePointer Uniform %cbuff
|
|
%_ = OpVariable %_ptr_Uniform_cbuff Uniform
|
|
%int = OpTypeInt 32 1
|
|
%int_0 = OpConstant %int 0
|
|
%_ptr_Uniform_mat4v4float = OpTypePointer Uniform %mat4v4float
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%_entryPointOutput_Color = OpVariable %_ptr_Output_v4float Output
|
|
)";
|
|
|
|
const std::string defs_after =
|
|
R"(OpCapability Shader
|
|
OpCapability Sampled1D
|
|
OpCapability Float16
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %_entryPointOutput_Color
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource HLSL 500
|
|
OpName %main "main"
|
|
OpName %g_tTex1df4 "g_tTex1df4"
|
|
OpName %g_sSamp "g_sSamp"
|
|
OpName %cbuff "cbuff"
|
|
OpMemberName %cbuff 0 "M"
|
|
OpName %_ ""
|
|
OpName %_entryPointOutput_Color "@entryPointOutput.Color"
|
|
OpDecorate %g_tTex1df4 DescriptorSet 0
|
|
OpDecorate %g_tTex1df4 Binding 0
|
|
OpDecorate %g_sSamp DescriptorSet 0
|
|
OpDecorate %g_sSamp Binding 0
|
|
OpMemberDecorate %cbuff 0 RowMajor
|
|
OpMemberDecorate %cbuff 0 Offset 0
|
|
OpMemberDecorate %cbuff 0 MatrixStride 16
|
|
OpDecorate %cbuff Block
|
|
OpDecorate %_ DescriptorSet 0
|
|
OpDecorate %_ Binding 1
|
|
OpDecorate %_entryPointOutput_Color Location 0
|
|
%void = OpTypeVoid
|
|
%3 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%14 = OpTypeImage %float 1D 0 0 0 1 Unknown
|
|
%_ptr_UniformConstant_14 = OpTypePointer UniformConstant %14
|
|
%g_tTex1df4 = OpVariable %_ptr_UniformConstant_14 UniformConstant
|
|
%18 = OpTypeSampler
|
|
%_ptr_UniformConstant_18 = OpTypePointer UniformConstant %18
|
|
%g_sSamp = OpVariable %_ptr_UniformConstant_18 UniformConstant
|
|
%22 = OpTypeSampledImage %14
|
|
%float_0_100000001 = OpConstant %float 0.100000001
|
|
%mat4v4float = OpTypeMatrix %v4float 4
|
|
%cbuff = OpTypeStruct %mat4v4float
|
|
%_ptr_Uniform_cbuff = OpTypePointer Uniform %cbuff
|
|
%_ = OpVariable %_ptr_Uniform_cbuff Uniform
|
|
%int = OpTypeInt 32 1
|
|
%int_0 = OpConstant %int 0
|
|
%_ptr_Uniform_mat4v4float = OpTypePointer Uniform %mat4v4float
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%_entryPointOutput_Color = OpVariable %_ptr_Output_v4float Output
|
|
%half = OpTypeFloat 16
|
|
%v4half = OpTypeVector %half 4
|
|
%mat4v4half = OpTypeMatrix %v4half 4
|
|
)";
|
|
|
|
const std::string func_before =
|
|
R"(%main = OpFunction %void None %3
|
|
%5 = OpLabel
|
|
%53 = OpLoad %14 %g_tTex1df4
|
|
%54 = OpLoad %18 %g_sSamp
|
|
%55 = OpSampledImage %22 %53 %54
|
|
%56 = OpImageSampleImplicitLod %v4float %55 %float_0_100000001
|
|
%57 = OpAccessChain %_ptr_Uniform_mat4v4float %_ %int_0
|
|
%58 = OpLoad %mat4v4float %57
|
|
%60 = OpMatrixTimesVector %v4float %58 %56
|
|
OpStore %_entryPointOutput_Color %60
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string func_after =
|
|
R"(%main = OpFunction %void None %3
|
|
%5 = OpLabel
|
|
%53 = OpLoad %14 %g_tTex1df4
|
|
%54 = OpLoad %18 %g_sSamp
|
|
%55 = OpSampledImage %22 %53 %54
|
|
%56 = OpImageSampleImplicitLod %v4float %55 %float_0_100000001
|
|
%57 = OpAccessChain %_ptr_Uniform_mat4v4float %_ %int_0
|
|
%58 = OpLoad %mat4v4float %57
|
|
%67 = OpCompositeExtract %v4float %58 0
|
|
%68 = OpFConvert %v4half %67
|
|
%69 = OpCompositeExtract %v4float %58 1
|
|
%70 = OpFConvert %v4half %69
|
|
%71 = OpCompositeExtract %v4float %58 2
|
|
%72 = OpFConvert %v4half %71
|
|
%73 = OpCompositeExtract %v4float %58 3
|
|
%74 = OpFConvert %v4half %73
|
|
%75 = OpCompositeConstruct %mat4v4half %68 %70 %72 %74
|
|
%64 = OpCopyObject %mat4v4float %58
|
|
%65 = OpFConvert %v4half %56
|
|
%60 = OpMatrixTimesVector %v4half %75 %65
|
|
%66 = OpFConvert %v4float %60
|
|
OpStore %_entryPointOutput_Color %66
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndCheck<ConvertToHalfPass>(defs_before + func_before,
|
|
defs_after + func_after, true, true);
|
|
}
|
|
|
|
TEST_F(ConvertToHalfTest, ConvertToHalfWithPhi) {
|
|
// The resulting SPIR-V was processed with --relax-float-ops.
|
|
//
|
|
// clang-format off
|
|
//
|
|
// SamplerState g_sSamp : register(s0);
|
|
// uniform Texture1D <float4> g_tTex1df4 : register(t0);
|
|
//
|
|
// struct PS_OUTPUT
|
|
// {
|
|
// float4 Color : SV_Target0;
|
|
// };
|
|
//
|
|
// cbuffer cbuff{
|
|
// bool b;
|
|
// float4x4 M;
|
|
// }
|
|
//
|
|
// PS_OUTPUT main()
|
|
// {
|
|
// PS_OUTPUT psout;
|
|
// float4 t;
|
|
//
|
|
// if (b)
|
|
// t = g_tTex1df4.Sample(g_sSamp, 0.1);
|
|
// else
|
|
// t = float4(0.0, 0.0, 0.0, 0.0);
|
|
//
|
|
// float4 t2 = t * 2.0;
|
|
// psout.Color = t2;
|
|
// return psout;
|
|
// }
|
|
//
|
|
// clang-format on
|
|
|
|
const std::string defs_before =
|
|
R"(OpCapability Shader
|
|
OpCapability Sampled1D
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %_entryPointOutput_Color
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource HLSL 500
|
|
OpName %main "main"
|
|
OpName %cbuff "cbuff"
|
|
OpMemberName %cbuff 0 "b"
|
|
OpMemberName %cbuff 1 "M"
|
|
OpName %_ ""
|
|
OpName %g_tTex1df4 "g_tTex1df4"
|
|
OpName %g_sSamp "g_sSamp"
|
|
OpName %_entryPointOutput_Color "@entryPointOutput.Color"
|
|
OpMemberDecorate %cbuff 0 Offset 0
|
|
OpMemberDecorate %cbuff 1 RowMajor
|
|
OpMemberDecorate %cbuff 1 Offset 16
|
|
OpMemberDecorate %cbuff 1 MatrixStride 16
|
|
OpDecorate %cbuff Block
|
|
OpDecorate %_ DescriptorSet 0
|
|
OpDecorate %_ Binding 1
|
|
OpDecorate %g_tTex1df4 DescriptorSet 0
|
|
OpDecorate %g_tTex1df4 Binding 0
|
|
OpDecorate %g_sSamp DescriptorSet 0
|
|
OpDecorate %g_sSamp Binding 0
|
|
OpDecorate %_entryPointOutput_Color Location 0
|
|
OpDecorate %72 RelaxedPrecision
|
|
OpDecorate %85 RelaxedPrecision
|
|
OpDecorate %74 RelaxedPrecision
|
|
%void = OpTypeVoid
|
|
%3 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%uint = OpTypeInt 32 0
|
|
%mat4v4float = OpTypeMatrix %v4float 4
|
|
%cbuff = OpTypeStruct %uint %mat4v4float
|
|
%_ptr_Uniform_cbuff = OpTypePointer Uniform %cbuff
|
|
%_ = OpVariable %_ptr_Uniform_cbuff Uniform
|
|
%int = OpTypeInt 32 1
|
|
%int_0 = OpConstant %int 0
|
|
%_ptr_Uniform_uint = OpTypePointer Uniform %uint
|
|
%bool = OpTypeBool
|
|
%uint_0 = OpConstant %uint 0
|
|
%29 = OpTypeImage %float 1D 0 0 0 1 Unknown
|
|
%_ptr_UniformConstant_29 = OpTypePointer UniformConstant %29
|
|
%g_tTex1df4 = OpVariable %_ptr_UniformConstant_29 UniformConstant
|
|
%33 = OpTypeSampler
|
|
%_ptr_UniformConstant_33 = OpTypePointer UniformConstant %33
|
|
%g_sSamp = OpVariable %_ptr_UniformConstant_33 UniformConstant
|
|
%37 = OpTypeSampledImage %29
|
|
%float_0_100000001 = OpConstant %float 0.100000001
|
|
%float_0 = OpConstant %float 0
|
|
%43 = OpConstantComposite %v4float %float_0 %float_0 %float_0 %float_0
|
|
%float_2 = OpConstant %float 2
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%_entryPointOutput_Color = OpVariable %_ptr_Output_v4float Output
|
|
)";
|
|
|
|
const std::string defs_after =
|
|
R"(OpCapability Shader
|
|
OpCapability Sampled1D
|
|
OpCapability Float16
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %_entryPointOutput_Color
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource HLSL 500
|
|
OpName %main "main"
|
|
OpName %cbuff "cbuff"
|
|
OpMemberName %cbuff 0 "b"
|
|
OpMemberName %cbuff 1 "M"
|
|
OpName %_ ""
|
|
OpName %g_tTex1df4 "g_tTex1df4"
|
|
OpName %g_sSamp "g_sSamp"
|
|
OpName %_entryPointOutput_Color "@entryPointOutput.Color"
|
|
OpMemberDecorate %cbuff 0 Offset 0
|
|
OpMemberDecorate %cbuff 1 RowMajor
|
|
OpMemberDecorate %cbuff 1 Offset 16
|
|
OpMemberDecorate %cbuff 1 MatrixStride 16
|
|
OpDecorate %cbuff Block
|
|
OpDecorate %_ DescriptorSet 0
|
|
OpDecorate %_ Binding 1
|
|
OpDecorate %g_tTex1df4 DescriptorSet 0
|
|
OpDecorate %g_tTex1df4 Binding 0
|
|
OpDecorate %g_sSamp DescriptorSet 0
|
|
OpDecorate %g_sSamp Binding 0
|
|
OpDecorate %_entryPointOutput_Color Location 0
|
|
%void = OpTypeVoid
|
|
%3 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%uint = OpTypeInt 32 0
|
|
%mat4v4float = OpTypeMatrix %v4float 4
|
|
%cbuff = OpTypeStruct %uint %mat4v4float
|
|
%_ptr_Uniform_cbuff = OpTypePointer Uniform %cbuff
|
|
%_ = OpVariable %_ptr_Uniform_cbuff Uniform
|
|
%int = OpTypeInt 32 1
|
|
%int_0 = OpConstant %int 0
|
|
%_ptr_Uniform_uint = OpTypePointer Uniform %uint
|
|
%bool = OpTypeBool
|
|
%uint_0 = OpConstant %uint 0
|
|
%29 = OpTypeImage %float 1D 0 0 0 1 Unknown
|
|
%_ptr_UniformConstant_29 = OpTypePointer UniformConstant %29
|
|
%g_tTex1df4 = OpVariable %_ptr_UniformConstant_29 UniformConstant
|
|
%33 = OpTypeSampler
|
|
%_ptr_UniformConstant_33 = OpTypePointer UniformConstant %33
|
|
%g_sSamp = OpVariable %_ptr_UniformConstant_33 UniformConstant
|
|
%37 = OpTypeSampledImage %29
|
|
%float_0_100000001 = OpConstant %float 0.100000001
|
|
%float_0 = OpConstant %float 0
|
|
%43 = OpConstantComposite %v4float %float_0 %float_0 %float_0 %float_0
|
|
%float_2 = OpConstant %float 2
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%_entryPointOutput_Color = OpVariable %_ptr_Output_v4float Output
|
|
%half = OpTypeFloat 16
|
|
%v4half = OpTypeVector %half 4
|
|
)";
|
|
|
|
const std::string func_before =
|
|
R"(%main = OpFunction %void None %3
|
|
%5 = OpLabel
|
|
%63 = OpAccessChain %_ptr_Uniform_uint %_ %int_0
|
|
%64 = OpLoad %uint %63
|
|
%65 = OpINotEqual %bool %64 %uint_0
|
|
OpSelectionMerge %66 None
|
|
OpBranchConditional %65 %67 %68
|
|
%67 = OpLabel
|
|
%69 = OpLoad %29 %g_tTex1df4
|
|
%70 = OpLoad %33 %g_sSamp
|
|
%71 = OpSampledImage %37 %69 %70
|
|
%72 = OpImageSampleImplicitLod %v4float %71 %float_0_100000001
|
|
OpBranch %66
|
|
%68 = OpLabel
|
|
OpBranch %66
|
|
%66 = OpLabel
|
|
%85 = OpPhi %v4float %72 %67 %43 %68
|
|
%74 = OpVectorTimesScalar %v4float %85 %float_2
|
|
OpStore %_entryPointOutput_Color %74
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string func_after =
|
|
R"(%main = OpFunction %void None %3
|
|
%5 = OpLabel
|
|
%63 = OpAccessChain %_ptr_Uniform_uint %_ %int_0
|
|
%64 = OpLoad %uint %63
|
|
%65 = OpINotEqual %bool %64 %uint_0
|
|
OpSelectionMerge %66 None
|
|
OpBranchConditional %65 %67 %68
|
|
%67 = OpLabel
|
|
%69 = OpLoad %29 %g_tTex1df4
|
|
%70 = OpLoad %33 %g_sSamp
|
|
%71 = OpSampledImage %37 %69 %70
|
|
%72 = OpImageSampleImplicitLod %v4float %71 %float_0_100000001
|
|
%88 = OpFConvert %v4half %72
|
|
OpBranch %66
|
|
%68 = OpLabel
|
|
%89 = OpFConvert %v4half %43
|
|
OpBranch %66
|
|
%66 = OpLabel
|
|
%85 = OpPhi %v4half %88 %67 %89 %68
|
|
%90 = OpFConvert %half %float_2
|
|
%74 = OpVectorTimesScalar %v4half %85 %90
|
|
%91 = OpFConvert %v4float %74
|
|
OpStore %_entryPointOutput_Color %91
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndCheck<ConvertToHalfPass>(defs_before + func_before,
|
|
defs_after + func_after, true, true);
|
|
}
|
|
|
|
TEST_F(ConvertToHalfTest, ConvertToHalfWithLoopAndFConvert) {
|
|
// The resulting SPIR-V was processed with --relax-float-ops.
|
|
//
|
|
// The loop causes an FConvert to be generated at the bottom of the loop
|
|
// for the Phi. The FConvert is later processed and turned into a (dead)
|
|
// copy.
|
|
//
|
|
// clang-format off
|
|
//
|
|
// struct PS_OUTPUT
|
|
// {
|
|
// float4 Color : SV_Target0;
|
|
// };
|
|
//
|
|
// cbuffer cbuff{
|
|
// float4 a[10];
|
|
// }
|
|
//
|
|
// PS_OUTPUT main()
|
|
// {
|
|
// PS_OUTPUT psout;
|
|
// float4 t = 0.0;;
|
|
//
|
|
// for (int i = 0; i<10; ++i)
|
|
// t = t + a[i];
|
|
//
|
|
// float4 t2 = t / 10.0;
|
|
// psout.Color = t2;
|
|
// return psout;
|
|
// }
|
|
//
|
|
// clang-format on
|
|
|
|
const std::string defs_before =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %_entryPointOutput_Color
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource HLSL 500
|
|
OpName %main "main"
|
|
OpName %cbuff "cbuff"
|
|
OpMemberName %cbuff 0 "a"
|
|
OpName %_ ""
|
|
OpName %_entryPointOutput_Color "@entryPointOutput.Color"
|
|
OpDecorate %_arr_v4float_uint_10 ArrayStride 16
|
|
OpMemberDecorate %cbuff 0 Offset 0
|
|
OpDecorate %cbuff Block
|
|
OpDecorate %_ DescriptorSet 0
|
|
OpDecorate %_ Binding 0
|
|
OpDecorate %_entryPointOutput_Color Location 0
|
|
OpDecorate %96 RelaxedPrecision
|
|
OpDecorate %81 RelaxedPrecision
|
|
OpDecorate %75 RelaxedPrecision
|
|
OpDecorate %76 RelaxedPrecision
|
|
%void = OpTypeVoid
|
|
%3 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%float_0 = OpConstant %float 0
|
|
%15 = OpConstantComposite %v4float %float_0 %float_0 %float_0 %float_0
|
|
%int = OpTypeInt 32 1
|
|
%int_0 = OpConstant %int 0
|
|
%int_10 = OpConstant %int 10
|
|
%bool = OpTypeBool
|
|
%uint = OpTypeInt 32 0
|
|
%uint_10 = OpConstant %uint 10
|
|
%_arr_v4float_uint_10 = OpTypeArray %v4float %uint_10
|
|
%cbuff = OpTypeStruct %_arr_v4float_uint_10
|
|
%_ptr_Uniform_cbuff = OpTypePointer Uniform %cbuff
|
|
%_ = OpVariable %_ptr_Uniform_cbuff Uniform
|
|
%_ptr_Uniform_v4float = OpTypePointer Uniform %v4float
|
|
%int_1 = OpConstant %int 1
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%_entryPointOutput_Color = OpVariable %_ptr_Output_v4float Output
|
|
%float_0_100000001 = OpConstant %float 0.100000001
|
|
%94 = OpConstantComposite %v4float %float_0_100000001 %float_0_100000001 %float_0_100000001 %float_0_100000001
|
|
)";
|
|
|
|
const std::string defs_after =
|
|
R"(OpCapability Shader
|
|
OpCapability Float16
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %_entryPointOutput_Color
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource HLSL 500
|
|
OpName %main "main"
|
|
OpName %cbuff "cbuff"
|
|
OpMemberName %cbuff 0 "a"
|
|
OpName %_ ""
|
|
OpName %_entryPointOutput_Color "@entryPointOutput.Color"
|
|
OpDecorate %_arr_v4float_uint_10 ArrayStride 16
|
|
OpMemberDecorate %cbuff 0 Offset 0
|
|
OpDecorate %cbuff Block
|
|
OpDecorate %_ DescriptorSet 0
|
|
OpDecorate %_ Binding 0
|
|
OpDecorate %_entryPointOutput_Color Location 0
|
|
%void = OpTypeVoid
|
|
%3 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%float_0 = OpConstant %float 0
|
|
%15 = OpConstantComposite %v4float %float_0 %float_0 %float_0 %float_0
|
|
%int = OpTypeInt 32 1
|
|
%int_0 = OpConstant %int 0
|
|
%int_10 = OpConstant %int 10
|
|
%bool = OpTypeBool
|
|
%uint = OpTypeInt 32 0
|
|
%uint_10 = OpConstant %uint 10
|
|
%_arr_v4float_uint_10 = OpTypeArray %v4float %uint_10
|
|
%cbuff = OpTypeStruct %_arr_v4float_uint_10
|
|
%_ptr_Uniform_cbuff = OpTypePointer Uniform %cbuff
|
|
%_ = OpVariable %_ptr_Uniform_cbuff Uniform
|
|
%_ptr_Uniform_v4float = OpTypePointer Uniform %v4float
|
|
%int_1 = OpConstant %int 1
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%_entryPointOutput_Color = OpVariable %_ptr_Output_v4float Output
|
|
%float_0_100000001 = OpConstant %float 0.100000001
|
|
%94 = OpConstantComposite %v4float %float_0_100000001 %float_0_100000001 %float_0_100000001 %float_0_100000001
|
|
%half = OpTypeFloat 16
|
|
%v4half = OpTypeVector %half 4
|
|
)";
|
|
|
|
const std::string func_before =
|
|
R"(%main = OpFunction %void None %3
|
|
%5 = OpLabel
|
|
OpBranch %65
|
|
%65 = OpLabel
|
|
%96 = OpPhi %v4float %15 %5 %76 %71
|
|
%95 = OpPhi %int %int_0 %5 %78 %71
|
|
%70 = OpSLessThan %bool %95 %int_10
|
|
OpLoopMerge %66 %71 None
|
|
OpBranchConditional %70 %71 %66
|
|
%71 = OpLabel
|
|
%74 = OpAccessChain %_ptr_Uniform_v4float %_ %int_0 %95
|
|
%75 = OpLoad %v4float %74
|
|
%76 = OpFAdd %v4float %96 %75
|
|
%78 = OpIAdd %int %95 %int_1
|
|
OpBranch %65
|
|
%66 = OpLabel
|
|
%81 = OpFMul %v4float %96 %94
|
|
OpStore %_entryPointOutput_Color %81
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string func_after =
|
|
R"(%main = OpFunction %void None %3
|
|
%5 = OpLabel
|
|
%99 = OpFConvert %v4half %15
|
|
OpBranch %65
|
|
%65 = OpLabel
|
|
%96 = OpPhi %v4half %99 %5 %100 %71
|
|
%95 = OpPhi %int %int_0 %5 %78 %71
|
|
%70 = OpSLessThan %bool %95 %int_10
|
|
OpLoopMerge %66 %71 None
|
|
OpBranchConditional %70 %71 %66
|
|
%71 = OpLabel
|
|
%74 = OpAccessChain %_ptr_Uniform_v4float %_ %int_0 %95
|
|
%75 = OpLoad %v4float %74
|
|
%103 = OpFConvert %v4half %75
|
|
%76 = OpFAdd %v4half %96 %103
|
|
%78 = OpIAdd %int %95 %int_1
|
|
%100 = OpCopyObject %v4half %76
|
|
OpBranch %65
|
|
%66 = OpLabel
|
|
%101 = OpFConvert %v4half %94
|
|
%81 = OpFMul %v4half %96 %101
|
|
%102 = OpFConvert %v4float %81
|
|
OpStore %_entryPointOutput_Color %102
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndCheck<ConvertToHalfPass>(defs_before + func_before,
|
|
defs_after + func_after, true, true);
|
|
}
|
|
|
|
TEST_F(ConvertToHalfTest, ConvertToHalfWithExtracts) {
|
|
// The resulting SPIR-V was processed with --relax-float-ops.
|
|
//
|
|
// The extra converts in the func_after can be DCE'd.
|
|
//
|
|
// clang-format off
|
|
//
|
|
// SamplerState g_sSamp : register(s0);
|
|
// uniform Texture1D <float4> g_tTex1df4 : register(t0);
|
|
//
|
|
// struct PS_INPUT
|
|
// {
|
|
// float Tex0 : TEXCOORD0;
|
|
// };
|
|
//
|
|
// struct PS_OUTPUT
|
|
// {
|
|
// float4 Color : SV_Target0;
|
|
// };
|
|
//
|
|
// cbuffer cbuff{
|
|
// float c;
|
|
// }
|
|
//
|
|
// PS_OUTPUT main(PS_INPUT i)
|
|
// {
|
|
// PS_OUTPUT psout;
|
|
// float4 tx = g_tTex1df4.Sample(g_sSamp, i.Tex0);
|
|
// float4 t = float4(tx.y, tx.z, tx.x, tx.w) * c;
|
|
// psout.Color = t;
|
|
// return psout;
|
|
// }
|
|
//
|
|
// clang-format on
|
|
|
|
const std::string defs_before =
|
|
R"(OpCapability Shader
|
|
OpCapability Sampled1D
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %i_Tex0 %_entryPointOutput_Color
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource HLSL 500
|
|
OpName %main "main"
|
|
OpName %g_tTex1df4 "g_tTex1df4"
|
|
OpName %g_sSamp "g_sSamp"
|
|
OpName %cbuff "cbuff"
|
|
OpMemberName %cbuff 0 "c"
|
|
OpName %_ ""
|
|
OpName %i_Tex0 "i.Tex0"
|
|
OpName %_entryPointOutput_Color "@entryPointOutput.Color"
|
|
OpDecorate %g_tTex1df4 DescriptorSet 0
|
|
OpDecorate %g_tTex1df4 Binding 0
|
|
OpDecorate %g_sSamp DescriptorSet 0
|
|
OpDecorate %g_sSamp Binding 0
|
|
OpMemberDecorate %cbuff 0 Offset 0
|
|
OpDecorate %cbuff Block
|
|
OpDecorate %_ DescriptorSet 0
|
|
OpDecorate %_ Binding 1
|
|
OpDecorate %i_Tex0 Location 0
|
|
OpDecorate %_entryPointOutput_Color Location 0
|
|
OpDecorate %65 RelaxedPrecision
|
|
OpDecorate %82 RelaxedPrecision
|
|
OpDecorate %84 RelaxedPrecision
|
|
OpDecorate %86 RelaxedPrecision
|
|
OpDecorate %88 RelaxedPrecision
|
|
OpDecorate %90 RelaxedPrecision
|
|
OpDecorate %91 RelaxedPrecision
|
|
OpDecorate %93 RelaxedPrecision
|
|
OpDecorate %94 RelaxedPrecision
|
|
%void = OpTypeVoid
|
|
%3 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%17 = OpTypeImage %float 1D 0 0 0 1 Unknown
|
|
%_ptr_UniformConstant_17 = OpTypePointer UniformConstant %17
|
|
%g_tTex1df4 = OpVariable %_ptr_UniformConstant_17 UniformConstant
|
|
%21 = OpTypeSampler
|
|
%_ptr_UniformConstant_21 = OpTypePointer UniformConstant %21
|
|
%g_sSamp = OpVariable %_ptr_UniformConstant_21 UniformConstant
|
|
%25 = OpTypeSampledImage %17
|
|
%int = OpTypeInt 32 1
|
|
%int_0 = OpConstant %int 0
|
|
%cbuff = OpTypeStruct %float
|
|
%_ptr_Uniform_cbuff = OpTypePointer Uniform %cbuff
|
|
%_ = OpVariable %_ptr_Uniform_cbuff Uniform
|
|
%_ptr_Uniform_float = OpTypePointer Uniform %float
|
|
%_ptr_Input_float = OpTypePointer Input %float
|
|
%i_Tex0 = OpVariable %_ptr_Input_float Input
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%_entryPointOutput_Color = OpVariable %_ptr_Output_v4float Output
|
|
)";
|
|
|
|
const std::string defs_after =
|
|
R"(OpCapability Shader
|
|
OpCapability Sampled1D
|
|
OpCapability Float16
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %i_Tex0 %_entryPointOutput_Color
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource HLSL 500
|
|
OpName %main "main"
|
|
OpName %g_tTex1df4 "g_tTex1df4"
|
|
OpName %g_sSamp "g_sSamp"
|
|
OpName %cbuff "cbuff"
|
|
OpMemberName %cbuff 0 "c"
|
|
OpName %_ ""
|
|
OpName %i_Tex0 "i.Tex0"
|
|
OpName %_entryPointOutput_Color "@entryPointOutput.Color"
|
|
OpDecorate %g_tTex1df4 DescriptorSet 0
|
|
OpDecorate %g_tTex1df4 Binding 0
|
|
OpDecorate %g_sSamp DescriptorSet 0
|
|
OpDecorate %g_sSamp Binding 0
|
|
OpMemberDecorate %cbuff 0 Offset 0
|
|
OpDecorate %cbuff Block
|
|
OpDecorate %_ DescriptorSet 0
|
|
OpDecorate %_ Binding 1
|
|
OpDecorate %i_Tex0 Location 0
|
|
OpDecorate %_entryPointOutput_Color Location 0
|
|
%void = OpTypeVoid
|
|
%3 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%17 = OpTypeImage %float 1D 0 0 0 1 Unknown
|
|
%_ptr_UniformConstant_17 = OpTypePointer UniformConstant %17
|
|
%g_tTex1df4 = OpVariable %_ptr_UniformConstant_17 UniformConstant
|
|
%21 = OpTypeSampler
|
|
%_ptr_UniformConstant_21 = OpTypePointer UniformConstant %21
|
|
%g_sSamp = OpVariable %_ptr_UniformConstant_21 UniformConstant
|
|
%25 = OpTypeSampledImage %17
|
|
%int = OpTypeInt 32 1
|
|
%int_0 = OpConstant %int 0
|
|
%cbuff = OpTypeStruct %float
|
|
%_ptr_Uniform_cbuff = OpTypePointer Uniform %cbuff
|
|
%_ = OpVariable %_ptr_Uniform_cbuff Uniform
|
|
%_ptr_Uniform_float = OpTypePointer Uniform %float
|
|
%_ptr_Input_float = OpTypePointer Input %float
|
|
%i_Tex0 = OpVariable %_ptr_Input_float Input
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%_entryPointOutput_Color = OpVariable %_ptr_Output_v4float Output
|
|
%half = OpTypeFloat 16
|
|
%v4half = OpTypeVector %half 4
|
|
)";
|
|
|
|
const std::string func_before =
|
|
R"(%main = OpFunction %void None %3
|
|
%5 = OpLabel
|
|
%65 = OpLoad %float %i_Tex0
|
|
%77 = OpLoad %17 %g_tTex1df4
|
|
%78 = OpLoad %21 %g_sSamp
|
|
%79 = OpSampledImage %25 %77 %78
|
|
%82 = OpImageSampleImplicitLod %v4float %79 %65
|
|
%84 = OpCompositeExtract %float %82 1
|
|
%86 = OpCompositeExtract %float %82 2
|
|
%88 = OpCompositeExtract %float %82 0
|
|
%90 = OpCompositeExtract %float %82 3
|
|
%91 = OpCompositeConstruct %v4float %84 %86 %88 %90
|
|
%92 = OpAccessChain %_ptr_Uniform_float %_ %int_0
|
|
%93 = OpLoad %float %92
|
|
%94 = OpVectorTimesScalar %v4float %91 %93
|
|
OpStore %_entryPointOutput_Color %94
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string func_after =
|
|
R"(%main = OpFunction %void None %3
|
|
%5 = OpLabel
|
|
%65 = OpLoad %float %i_Tex0
|
|
%77 = OpLoad %17 %g_tTex1df4
|
|
%78 = OpLoad %21 %g_sSamp
|
|
%79 = OpSampledImage %25 %77 %78
|
|
%82 = OpImageSampleImplicitLod %v4float %79 %65
|
|
%97 = OpFConvert %v4half %82
|
|
%84 = OpCompositeExtract %half %97 1
|
|
%98 = OpFConvert %v4half %82
|
|
%86 = OpCompositeExtract %half %98 2
|
|
%99 = OpFConvert %v4half %82
|
|
%88 = OpCompositeExtract %half %99 0
|
|
%100 = OpFConvert %v4half %82
|
|
%90 = OpCompositeExtract %half %100 3
|
|
%91 = OpCompositeConstruct %v4half %84 %86 %88 %90
|
|
%92 = OpAccessChain %_ptr_Uniform_float %_ %int_0
|
|
%93 = OpLoad %float %92
|
|
%101 = OpFConvert %half %93
|
|
%94 = OpVectorTimesScalar %v4half %91 %101
|
|
%102 = OpFConvert %v4float %94
|
|
OpStore %_entryPointOutput_Color %102
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndCheck<ConvertToHalfPass>(defs_before + func_before,
|
|
defs_after + func_after, true, true);
|
|
}
|
|
|
|
TEST_F(ConvertToHalfTest, ConvertToHalfWithClosure) {
|
|
// Include as many contiguous composite instructions as possible into
|
|
// half-precision computations
|
|
//
|
|
// Compiled with glslang -V -Os
|
|
//
|
|
// clang-format off
|
|
//
|
|
// #version 410 core
|
|
//
|
|
// precision mediump float;
|
|
//
|
|
// layout(location = 1) in vec3 foo;
|
|
// layout(location = 2) in mat2 bar;
|
|
// layout(location = 1) out vec3 res;
|
|
//
|
|
// vec3 func(vec3 tap, mat2 M) {
|
|
// return vec3(M * tap.xy, 1.0);
|
|
// }
|
|
//
|
|
// void main() {
|
|
// res = func(foo, bar);
|
|
// }
|
|
//
|
|
// clang-format on
|
|
|
|
const std::string defs =
|
|
R"(OpCapability Shader
|
|
; CHECK: OpCapability Float16
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %res %foo %bar
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 410
|
|
OpName %main "main"
|
|
OpName %res "res"
|
|
OpName %foo "foo"
|
|
OpName %bar "bar"
|
|
OpDecorate %res RelaxedPrecision
|
|
; CHECK-NOT: OpDecorate %res RelaxedPrecision
|
|
OpDecorate %res Location 1
|
|
OpDecorate %foo RelaxedPrecision
|
|
; CHECK-NOT: OpDecorate %foo RelaxedPrecision
|
|
OpDecorate %foo Location 1
|
|
OpDecorate %bar RelaxedPrecision
|
|
; CHECK-NOT: OpDecorate %bar RelaxedPrecision
|
|
OpDecorate %bar Location 2
|
|
OpDecorate %34 RelaxedPrecision
|
|
OpDecorate %36 RelaxedPrecision
|
|
OpDecorate %41 RelaxedPrecision
|
|
OpDecorate %42 RelaxedPrecision
|
|
; CHECK-NOT: OpDecorate %34 RelaxedPrecision
|
|
; CHECK-NOT: OpDecorate %36 RelaxedPrecision
|
|
; CHECK-NOT: OpDecorate %41 RelaxedPrecision
|
|
; CHECK-NOT: OpDecorate %42 RelaxedPrecision
|
|
%void = OpTypeVoid
|
|
%3 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v3float = OpTypeVector %float 3
|
|
%v2float = OpTypeVector %float 2
|
|
%mat2v2float = OpTypeMatrix %v2float 2
|
|
%float_1 = OpConstant %float 1
|
|
%_ptr_Output_v3float = OpTypePointer Output %v3float
|
|
%res = OpVariable %_ptr_Output_v3float Output
|
|
%_ptr_Input_v3float = OpTypePointer Input %v3float
|
|
%foo = OpVariable %_ptr_Input_v3float Input
|
|
%_ptr_Input_mat2v2float = OpTypePointer Input %mat2v2float
|
|
%bar = OpVariable %_ptr_Input_mat2v2float Input
|
|
)";
|
|
|
|
const std::string func =
|
|
R"(%main = OpFunction %void None %3
|
|
%5 = OpLabel
|
|
%34 = OpLoad %v3float %foo
|
|
%36 = OpLoad %mat2v2float %bar
|
|
; CHECK: %48 = OpFConvert %v3half %34
|
|
; CHECK: %49 = OpFConvert %v3half %34
|
|
%41 = OpVectorShuffle %v2float %34 %34 0 1
|
|
; CHECK-NOT: %41 = OpVectorShuffle %v2float %34 %34 0 1
|
|
; CHECK: %41 = OpVectorShuffle %v2half %48 %49 0 1
|
|
%42 = OpMatrixTimesVector %v2float %36 %41
|
|
; CHECK-NOT: %42 = OpMatrixTimesVector %v2float %36 %41
|
|
; CHECK: %55 = OpCompositeExtract %v2float %36 0
|
|
; CHECK: %56 = OpFConvert %v2half %55
|
|
; CHECK: %57 = OpCompositeExtract %v2float %36 1
|
|
; CHECK: %58 = OpFConvert %v2half %57
|
|
; CHECK: %59 = OpCompositeConstruct %mat2v2half %56 %58
|
|
; CHECK: %52 = OpCopyObject %mat2v2float %36
|
|
; CHECK: %42 = OpMatrixTimesVector %v2half %59 %41
|
|
%43 = OpCompositeExtract %float %42 0
|
|
%44 = OpCompositeExtract %float %42 1
|
|
; CHECK-NOT: %43 = OpCompositeExtract %float %42 0
|
|
; CHECK-NOT: %44 = OpCompositeExtract %float %42 1
|
|
; CHECK: %43 = OpCompositeExtract %half %42 0
|
|
; CHECK: %44 = OpCompositeExtract %half %42 1
|
|
%45 = OpCompositeConstruct %v3float %43 %44 %float_1
|
|
; CHECK-NOT: %45 = OpCompositeConstruct %v3float %43 %44 %float_1
|
|
; CHECK: %53 = OpFConvert %float %43
|
|
; CHECK: %54 = OpFConvert %float %44
|
|
; CHECK: %45 = OpCompositeConstruct %v3float %53 %54 %float_1
|
|
OpStore %res %45
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
SinglePassRunAndMatch<ConvertToHalfPass>(defs + func, true);
|
|
}
|
|
|
|
TEST_F(ConvertToHalfTest, RemoveRelaxDec) {
|
|
// See https://github.com/KhronosGroup/SPIRV-Tools/issues/4117
|
|
|
|
// This test is a case where the relax precision decorations need to be
|
|
// removed, but the body of the function does not change because there are not
|
|
// arithmetic operations. So, there is not need for the Float16 capability.
|
|
const std::string test =
|
|
R"(
|
|
; CHECK-NOT: OpCapability Float16
|
|
; GLSL seems to generate this decoration on the load of a texture, which seems odd to me.
|
|
; This pass does not currently remove it, and I'm not sure what we should do with it, so I will leave it.
|
|
; CHECK: OpDecorate [[tex:%\w+]] RelaxedPrecision
|
|
; CHECK-NOT: OpDecorate {{%\w+}} RelaxedPrecision
|
|
; CHECK: OpLabel
|
|
; CHECK: [[tex]] = OpLoad {{%\w+}} %sTexture
|
|
; CHECK: [[coord:%\w+]] = OpLoad %v2float
|
|
; CHECK: [[retval:%\w+]] = OpImageSampleImplicitLod %v4float {{%\w+}} [[coord]]
|
|
; CHECK: OpStore %outFragColor [[retval]]
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %outFragColor %v_texcoord
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource ESSL 310
|
|
OpName %main "main"
|
|
OpName %outFragColor "outFragColor"
|
|
OpName %sTexture "sTexture"
|
|
OpName %v_texcoord "v_texcoord"
|
|
OpDecorate %outFragColor RelaxedPrecision
|
|
OpDecorate %outFragColor Location 0
|
|
OpDecorate %sTexture RelaxedPrecision
|
|
OpDecorate %sTexture DescriptorSet 0
|
|
OpDecorate %sTexture Binding 0
|
|
OpDecorate %14 RelaxedPrecision
|
|
OpDecorate %v_texcoord RelaxedPrecision
|
|
OpDecorate %v_texcoord Location 0
|
|
OpDecorate %18 RelaxedPrecision
|
|
OpDecorate %19 RelaxedPrecision
|
|
%void = OpTypeVoid
|
|
%3 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%outFragColor = OpVariable %_ptr_Output_v4float Output
|
|
%10 = OpTypeImage %float 2D 0 0 0 1 Unknown
|
|
%11 = OpTypeSampledImage %10
|
|
%_ptr_UniformConstant_11 = OpTypePointer UniformConstant %11
|
|
%sTexture = OpVariable %_ptr_UniformConstant_11 UniformConstant
|
|
%v2float = OpTypeVector %float 2
|
|
%_ptr_Input_v2float = OpTypePointer Input %v2float
|
|
%v_texcoord = OpVariable %_ptr_Input_v2float Input
|
|
%main = OpFunction %void None %3
|
|
%5 = OpLabel
|
|
%14 = OpLoad %11 %sTexture
|
|
%18 = OpLoad %v2float %v_texcoord
|
|
%19 = OpImageSampleImplicitLod %v4float %14 %18
|
|
OpStore %outFragColor %19
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
auto result = SinglePassRunAndMatch<ConvertToHalfPass>(test, true);
|
|
EXPECT_EQ(Pass::Status::SuccessWithChange, std::get<1>(result));
|
|
}
|
|
|
|
TEST_F(ConvertToHalfTest, HandleNonRelaxedPhi) {
|
|
// See https://github.com/KhronosGroup/SPIRV-Tools/issues/4452
|
|
|
|
// This test is a case with a non-relaxed phi with a relaxed operand.
|
|
// A convert must be inserted at the end of the block associated with
|
|
// the operand.
|
|
const std::string test =
|
|
R"(
|
|
; CHECK: [[fcvt:%\w+]] = OpFConvert %v3float {{%\w+}}
|
|
; CHECK-NEXT: OpSelectionMerge {{%\w+}} None
|
|
; CHECK: {{%\w+}} = OpPhi %v3float [[fcvt]] {{%\w+}} {{%\w+}} {{%\w+}}
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %output_color
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 450
|
|
OpName %main "main"
|
|
OpName %MaterialParams "MaterialParams"
|
|
OpMemberName %MaterialParams 0 "foo"
|
|
OpName %materialParams "materialParams"
|
|
OpName %output_color "output_color"
|
|
OpMemberDecorate %MaterialParams 0 Offset 0
|
|
OpDecorate %MaterialParams Block
|
|
OpDecorate %materialParams DescriptorSet 0
|
|
OpDecorate %materialParams Binding 5
|
|
OpDecorate %output_color Location 0
|
|
OpDecorate %57 RelaxedPrecision
|
|
%void = OpTypeVoid
|
|
%3 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v3float = OpTypeVector %float 3
|
|
%MaterialParams = OpTypeStruct %float
|
|
%_ptr_Uniform_MaterialParams = OpTypePointer Uniform %MaterialParams
|
|
%materialParams = OpVariable %_ptr_Uniform_MaterialParams Uniform
|
|
%int = OpTypeInt 32 1
|
|
%int_0 = OpConstant %int 0
|
|
%_ptr_Uniform_float = OpTypePointer Uniform %float
|
|
%float_0 = OpConstant %float 0
|
|
%bool = OpTypeBool
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%output_color = OpVariable %_ptr_Output_v4float Output
|
|
%uint = OpTypeInt 32 0
|
|
%uint_0 = OpConstant %uint 0
|
|
%_ptr_Output_float = OpTypePointer Output %float
|
|
%uint_1 = OpConstant %uint 1
|
|
%uint_2 = OpConstant %uint 2
|
|
%float_0_5 = OpConstant %float 0.5
|
|
%61 = OpConstantComposite %v3float %float_0_5 %float_0_5 %float_0_5
|
|
%main = OpFunction %void None %3
|
|
%5 = OpLabel
|
|
%55 = OpAccessChain %_ptr_Uniform_float %materialParams %int_0
|
|
%56 = OpLoad %float %55
|
|
%57 = OpCompositeConstruct %v3float %56 %56 %56
|
|
%31 = OpFOrdGreaterThan %bool %56 %float_0
|
|
OpSelectionMerge %33 None
|
|
OpBranchConditional %31 %32 %33
|
|
%32 = OpLabel
|
|
%37 = OpFMul %v3float %57 %61
|
|
OpBranch %33
|
|
%33 = OpLabel
|
|
%58 = OpPhi %v3float %57 %5 %37 %32
|
|
%45 = OpAccessChain %_ptr_Output_float %output_color %uint_0
|
|
%46 = OpCompositeExtract %float %58 0
|
|
OpStore %45 %46
|
|
%48 = OpAccessChain %_ptr_Output_float %output_color %uint_1
|
|
%49 = OpCompositeExtract %float %58 1
|
|
OpStore %48 %49
|
|
%51 = OpAccessChain %_ptr_Output_float %output_color %uint_2
|
|
%52 = OpCompositeExtract %float %58 2
|
|
OpStore %51 %52
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
|
|
auto result = SinglePassRunAndMatch<ConvertToHalfPass>(test, true);
|
|
EXPECT_EQ(Pass::Status::SuccessWithChange, std::get<1>(result));
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace opt
|
|
} // namespace spvtools
|