864 lines
24 KiB
C++
864 lines
24 KiB
C++
// Copyright (c) 2017 Valve Corporation
|
|
// Copyright (c) 2017 LunarG Inc.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#include "pass_fixture.h"
|
|
#include "pass_utils.h"
|
|
|
|
namespace {
|
|
|
|
using namespace spvtools;
|
|
|
|
using InsertExtractElimTest = PassTest<::testing::Test>;
|
|
|
|
TEST_F(InsertExtractElimTest, Simple) {
|
|
// Note: The SPIR-V assembly has had store/load elimination
|
|
// performed to allow the inserts and extracts to directly
|
|
// reference each other.
|
|
//
|
|
// #version 140
|
|
//
|
|
// in vec4 BaseColor;
|
|
//
|
|
// struct S_t {
|
|
// vec4 v0;
|
|
// vec4 v1;
|
|
// };
|
|
//
|
|
// void main()
|
|
// {
|
|
// S_t s0;
|
|
// s0.v1 = BaseColor;
|
|
// gl_FragColor = s0.v1;
|
|
// }
|
|
|
|
const std::string predefs =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %BaseColor %gl_FragColor
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 140
|
|
OpName %main "main"
|
|
OpName %S_t "S_t"
|
|
OpMemberName %S_t 0 "v0"
|
|
OpMemberName %S_t 1 "v1"
|
|
OpName %s0 "s0"
|
|
OpName %BaseColor "BaseColor"
|
|
OpName %gl_FragColor "gl_FragColor"
|
|
%void = OpTypeVoid
|
|
%8 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%S_t = OpTypeStruct %v4float %v4float
|
|
%_ptr_Function_S_t = OpTypePointer Function %S_t
|
|
%int = OpTypeInt 32 1
|
|
%int_1 = OpConstant %int 1
|
|
%_ptr_Input_v4float = OpTypePointer Input %v4float
|
|
%BaseColor = OpVariable %_ptr_Input_v4float Input
|
|
%_ptr_Function_v4float = OpTypePointer Function %v4float
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%gl_FragColor = OpVariable %_ptr_Output_v4float Output
|
|
)";
|
|
|
|
const std::string before =
|
|
R"(%main = OpFunction %void None %8
|
|
%17 = OpLabel
|
|
%s0 = OpVariable %_ptr_Function_S_t Function
|
|
%18 = OpLoad %v4float %BaseColor
|
|
%19 = OpLoad %S_t %s0
|
|
%20 = OpCompositeInsert %S_t %18 %19 1
|
|
OpStore %s0 %20
|
|
%21 = OpCompositeExtract %v4float %20 1
|
|
OpStore %gl_FragColor %21
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string after =
|
|
R"(%main = OpFunction %void None %8
|
|
%17 = OpLabel
|
|
%s0 = OpVariable %_ptr_Function_S_t Function
|
|
%18 = OpLoad %v4float %BaseColor
|
|
%19 = OpLoad %S_t %s0
|
|
%20 = OpCompositeInsert %S_t %18 %19 1
|
|
OpStore %s0 %20
|
|
OpStore %gl_FragColor %18
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<opt::InsertExtractElimPass>(
|
|
predefs + before, predefs + after, true, true);
|
|
}
|
|
|
|
TEST_F(InsertExtractElimTest, OptimizeAcrossNonConflictingInsert) {
|
|
// Note: The SPIR-V assembly has had store/load elimination
|
|
// performed to allow the inserts and extracts to directly
|
|
// reference each other.
|
|
//
|
|
// #version 140
|
|
//
|
|
// in vec4 BaseColor;
|
|
//
|
|
// struct S_t {
|
|
// vec4 v0;
|
|
// vec4 v1;
|
|
// };
|
|
//
|
|
// void main()
|
|
// {
|
|
// S_t s0;
|
|
// s0.v1 = BaseColor;
|
|
// s0.v0[2] = 0.0;
|
|
// gl_FragColor = s0.v1;
|
|
// }
|
|
|
|
const std::string predefs =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %BaseColor %gl_FragColor
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 140
|
|
OpName %main "main"
|
|
OpName %S_t "S_t"
|
|
OpMemberName %S_t 0 "v0"
|
|
OpMemberName %S_t 1 "v1"
|
|
OpName %s0 "s0"
|
|
OpName %BaseColor "BaseColor"
|
|
OpName %gl_FragColor "gl_FragColor"
|
|
%void = OpTypeVoid
|
|
%8 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%S_t = OpTypeStruct %v4float %v4float
|
|
%_ptr_Function_S_t = OpTypePointer Function %S_t
|
|
%int = OpTypeInt 32 1
|
|
%int_1 = OpConstant %int 1
|
|
%float_0 = OpConstant %float 0
|
|
%_ptr_Input_v4float = OpTypePointer Input %v4float
|
|
%BaseColor = OpVariable %_ptr_Input_v4float Input
|
|
%_ptr_Function_v4float = OpTypePointer Function %v4float
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%gl_FragColor = OpVariable %_ptr_Output_v4float Output
|
|
)";
|
|
|
|
const std::string before =
|
|
R"(%main = OpFunction %void None %8
|
|
%18 = OpLabel
|
|
%s0 = OpVariable %_ptr_Function_S_t Function
|
|
%19 = OpLoad %v4float %BaseColor
|
|
%20 = OpLoad %S_t %s0
|
|
%21 = OpCompositeInsert %S_t %19 %20 1
|
|
%22 = OpCompositeInsert %S_t %float_0 %21 0 2
|
|
OpStore %s0 %22
|
|
%23 = OpCompositeExtract %v4float %22 1
|
|
OpStore %gl_FragColor %23
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string after =
|
|
R"(%main = OpFunction %void None %8
|
|
%18 = OpLabel
|
|
%s0 = OpVariable %_ptr_Function_S_t Function
|
|
%19 = OpLoad %v4float %BaseColor
|
|
%20 = OpLoad %S_t %s0
|
|
%21 = OpCompositeInsert %S_t %19 %20 1
|
|
%22 = OpCompositeInsert %S_t %float_0 %21 0 2
|
|
OpStore %s0 %22
|
|
OpStore %gl_FragColor %19
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<opt::InsertExtractElimPass>(
|
|
predefs + before, predefs + after, true, true);
|
|
}
|
|
|
|
TEST_F(InsertExtractElimTest, OptimizeOpaque) {
|
|
// SPIR-V not representable in GLSL; not generatable from HLSL
|
|
// for the moment.
|
|
|
|
const std::string predefs =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %outColor %texCoords
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 140
|
|
OpName %main "main"
|
|
OpName %S_t "S_t"
|
|
OpMemberName %S_t 0 "v0"
|
|
OpMemberName %S_t 1 "v1"
|
|
OpMemberName %S_t 2 "smp"
|
|
OpName %outColor "outColor"
|
|
OpName %sampler15 "sampler15"
|
|
OpName %s0 "s0"
|
|
OpName %texCoords "texCoords"
|
|
OpDecorate %sampler15 DescriptorSet 0
|
|
%void = OpTypeVoid
|
|
%9 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v2float = OpTypeVector %float 2
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%outColor = OpVariable %_ptr_Output_v4float Output
|
|
%14 = OpTypeImage %float 2D 0 0 0 1 Unknown
|
|
%15 = OpTypeSampledImage %14
|
|
%S_t = OpTypeStruct %v2float %v2float %15
|
|
%_ptr_Function_S_t = OpTypePointer Function %S_t
|
|
%17 = OpTypeFunction %void %_ptr_Function_S_t
|
|
%_ptr_UniformConstant_15 = OpTypePointer UniformConstant %15
|
|
%_ptr_Function_15 = OpTypePointer Function %15
|
|
%sampler15 = OpVariable %_ptr_UniformConstant_15 UniformConstant
|
|
%int = OpTypeInt 32 1
|
|
%int_0 = OpConstant %int 0
|
|
%int_2 = OpConstant %int 2
|
|
%_ptr_Function_v2float = OpTypePointer Function %v2float
|
|
%_ptr_Input_v2float = OpTypePointer Input %v2float
|
|
%texCoords = OpVariable %_ptr_Input_v2float Input
|
|
)";
|
|
|
|
const std::string before =
|
|
R"(%main = OpFunction %void None %9
|
|
%25 = OpLabel
|
|
%s0 = OpVariable %_ptr_Function_S_t Function
|
|
%26 = OpLoad %v2float %texCoords
|
|
%27 = OpLoad %S_t %s0
|
|
%28 = OpCompositeInsert %S_t %26 %27 0
|
|
%29 = OpLoad %15 %sampler15
|
|
%30 = OpCompositeInsert %S_t %29 %28 2
|
|
OpStore %s0 %30
|
|
%31 = OpCompositeExtract %15 %30 2
|
|
%32 = OpCompositeExtract %v2float %30 0
|
|
%33 = OpImageSampleImplicitLod %v4float %31 %32
|
|
OpStore %outColor %33
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string after =
|
|
R"(%main = OpFunction %void None %9
|
|
%25 = OpLabel
|
|
%s0 = OpVariable %_ptr_Function_S_t Function
|
|
%26 = OpLoad %v2float %texCoords
|
|
%27 = OpLoad %S_t %s0
|
|
%28 = OpCompositeInsert %S_t %26 %27 0
|
|
%29 = OpLoad %15 %sampler15
|
|
%30 = OpCompositeInsert %S_t %29 %28 2
|
|
OpStore %s0 %30
|
|
%33 = OpImageSampleImplicitLod %v4float %29 %26
|
|
OpStore %outColor %33
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<opt::InsertExtractElimPass>(
|
|
predefs + before, predefs + after, true, true);
|
|
}
|
|
|
|
TEST_F(InsertExtractElimTest, OptimizeNestedStruct) {
|
|
// The following HLSL has been pre-optimized to get the SPIR-V:
|
|
// struct S0
|
|
// {
|
|
// int x;
|
|
// SamplerState ss;
|
|
// };
|
|
//
|
|
// struct S1
|
|
// {
|
|
// float b;
|
|
// S0 s0;
|
|
// };
|
|
//
|
|
// struct S2
|
|
// {
|
|
// int a1;
|
|
// S1 resources;
|
|
// };
|
|
//
|
|
// SamplerState samp;
|
|
// Texture2D tex;
|
|
//
|
|
// float4 main(float4 vpos : VPOS) : COLOR0
|
|
// {
|
|
// S1 s1;
|
|
// S2 s2;
|
|
// s1.s0.ss = samp;
|
|
// s2.resources = s1;
|
|
// return tex.Sample(s2.resources.s0.ss, float2(0.5));
|
|
// }
|
|
|
|
const std::string predefs =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %_entryPointOutput
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource HLSL 500
|
|
OpName %main "main"
|
|
OpName %S0 "S0"
|
|
OpMemberName %S0 0 "x"
|
|
OpMemberName %S0 1 "ss"
|
|
OpName %S1 "S1"
|
|
OpMemberName %S1 0 "b"
|
|
OpMemberName %S1 1 "s0"
|
|
OpName %samp "samp"
|
|
OpName %S2 "S2"
|
|
OpMemberName %S2 0 "a1"
|
|
OpMemberName %S2 1 "resources"
|
|
OpName %tex "tex"
|
|
OpName %_entryPointOutput "@entryPointOutput"
|
|
OpDecorate %samp DescriptorSet 0
|
|
OpDecorate %tex DescriptorSet 0
|
|
OpDecorate %_entryPointOutput Location 0
|
|
%void = OpTypeVoid
|
|
%10 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Function_v4float = OpTypePointer Function %v4float
|
|
%14 = OpTypeFunction %v4float %_ptr_Function_v4float
|
|
%int = OpTypeInt 32 1
|
|
%16 = OpTypeSampler
|
|
%S0 = OpTypeStruct %int %16
|
|
%S1 = OpTypeStruct %float %S0
|
|
%_ptr_Function_S1 = OpTypePointer Function %S1
|
|
%int_1 = OpConstant %int 1
|
|
%_ptr_UniformConstant_16 = OpTypePointer UniformConstant %16
|
|
%samp = OpVariable %_ptr_UniformConstant_16 UniformConstant
|
|
%_ptr_Function_16 = OpTypePointer Function %16
|
|
%S2 = OpTypeStruct %int %S1
|
|
%_ptr_Function_S2 = OpTypePointer Function %S2
|
|
%22 = OpTypeImage %float 2D 0 0 0 1 Unknown
|
|
%_ptr_UniformConstant_22 = OpTypePointer UniformConstant %22
|
|
%tex = OpVariable %_ptr_UniformConstant_22 UniformConstant
|
|
%24 = OpTypeSampledImage %22
|
|
%v2float = OpTypeVector %float 2
|
|
%float_0_5 = OpConstant %float 0.5
|
|
%27 = OpConstantComposite %v2float %float_0_5 %float_0_5
|
|
%_ptr_Input_v4float = OpTypePointer Input %v4float
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%_entryPointOutput = OpVariable %_ptr_Output_v4float Output
|
|
)";
|
|
|
|
const std::string before =
|
|
R"(%main = OpFunction %void None %10
|
|
%30 = OpLabel
|
|
%31 = OpVariable %_ptr_Function_S1 Function
|
|
%32 = OpVariable %_ptr_Function_S2 Function
|
|
%33 = OpLoad %16 %samp
|
|
%34 = OpLoad %S1 %31
|
|
%35 = OpCompositeInsert %S1 %33 %34 1 1
|
|
OpStore %31 %35
|
|
%36 = OpLoad %S2 %32
|
|
%37 = OpCompositeInsert %S2 %35 %36 1
|
|
OpStore %32 %37
|
|
%38 = OpLoad %22 %tex
|
|
%39 = OpCompositeExtract %16 %37 1 1 1
|
|
%40 = OpSampledImage %24 %38 %39
|
|
%41 = OpImageSampleImplicitLod %v4float %40 %27
|
|
OpStore %_entryPointOutput %41
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string after =
|
|
R"(%main = OpFunction %void None %10
|
|
%30 = OpLabel
|
|
%31 = OpVariable %_ptr_Function_S1 Function
|
|
%32 = OpVariable %_ptr_Function_S2 Function
|
|
%33 = OpLoad %16 %samp
|
|
%34 = OpLoad %S1 %31
|
|
%35 = OpCompositeInsert %S1 %33 %34 1 1
|
|
OpStore %31 %35
|
|
%36 = OpLoad %S2 %32
|
|
%37 = OpCompositeInsert %S2 %35 %36 1
|
|
OpStore %32 %37
|
|
%38 = OpLoad %22 %tex
|
|
%40 = OpSampledImage %24 %38 %33
|
|
%41 = OpImageSampleImplicitLod %v4float %40 %27
|
|
OpStore %_entryPointOutput %41
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<opt::InsertExtractElimPass>(
|
|
predefs + before, predefs + after, true, true);
|
|
}
|
|
|
|
TEST_F(InsertExtractElimTest, ConflictingInsertPreventsOptimization) {
|
|
// Note: The SPIR-V assembly has had store/load elimination
|
|
// performed to allow the inserts and extracts to directly
|
|
// reference each other.
|
|
//
|
|
// #version 140
|
|
//
|
|
// in vec4 BaseColor;
|
|
//
|
|
// struct S_t {
|
|
// vec4 v0;
|
|
// vec4 v1;
|
|
// };
|
|
//
|
|
// void main()
|
|
// {
|
|
// S_t s0;
|
|
// s0.v1 = BaseColor;
|
|
// s0.v1[2] = 0.0;
|
|
// gl_FragColor = s0.v1;
|
|
// }
|
|
|
|
const std::string assembly =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %BaseColor %gl_FragColor
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 140
|
|
OpName %main "main"
|
|
OpName %S_t "S_t"
|
|
OpMemberName %S_t 0 "v0"
|
|
OpMemberName %S_t 1 "v1"
|
|
OpName %s0 "s0"
|
|
OpName %BaseColor "BaseColor"
|
|
OpName %gl_FragColor "gl_FragColor"
|
|
%void = OpTypeVoid
|
|
%8 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%S_t = OpTypeStruct %v4float %v4float
|
|
%_ptr_Function_S_t = OpTypePointer Function %S_t
|
|
%int = OpTypeInt 32 1
|
|
%int_1 = OpConstant %int 1
|
|
%float_0 = OpConstant %float 0
|
|
%_ptr_Input_v4float = OpTypePointer Input %v4float
|
|
%BaseColor = OpVariable %_ptr_Input_v4float Input
|
|
%_ptr_Function_v4float = OpTypePointer Function %v4float
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%gl_FragColor = OpVariable %_ptr_Output_v4float Output
|
|
%main = OpFunction %void None %8
|
|
%18 = OpLabel
|
|
%s0 = OpVariable %_ptr_Function_S_t Function
|
|
%19 = OpLoad %v4float %BaseColor
|
|
%20 = OpLoad %S_t %s0
|
|
%21 = OpCompositeInsert %S_t %19 %20 1
|
|
%22 = OpCompositeInsert %S_t %float_0 %21 1 2
|
|
OpStore %s0 %22
|
|
%23 = OpCompositeExtract %v4float %22 1
|
|
OpStore %gl_FragColor %23
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<opt::InsertExtractElimPass>(assembly, assembly, true,
|
|
true);
|
|
}
|
|
|
|
TEST_F(InsertExtractElimTest, ConflictingInsertPreventsOptimization2) {
|
|
// Note: The SPIR-V assembly has had store/load elimination
|
|
// performed to allow the inserts and extracts to directly
|
|
// reference each other.
|
|
//
|
|
// #version 140
|
|
//
|
|
// in vec4 BaseColor;
|
|
//
|
|
// struct S_t {
|
|
// vec4 v0;
|
|
// vec4 v1;
|
|
// };
|
|
//
|
|
// void main()
|
|
// {
|
|
// S_t s0;
|
|
// s0.v1[1] = 1.0; // dead
|
|
// s0.v1 = Baseline;
|
|
// gl_FragColor = vec4(s0.v1[1], 0.0, 0.0, 0.0);
|
|
// }
|
|
|
|
const std::string before_predefs =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %BaseColor %gl_FragColor
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 140
|
|
OpName %main "main"
|
|
OpName %S_t "S_t"
|
|
OpMemberName %S_t 0 "v0"
|
|
OpMemberName %S_t 1 "v1"
|
|
OpName %s0 "s0"
|
|
OpName %BaseColor "BaseColor"
|
|
OpName %gl_FragColor "gl_FragColor"
|
|
%void = OpTypeVoid
|
|
%8 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%S_t = OpTypeStruct %v4float %v4float
|
|
%_ptr_Function_S_t = OpTypePointer Function %S_t
|
|
%int = OpTypeInt 32 1
|
|
%int_1 = OpConstant %int 1
|
|
%float_1 = OpConstant %float 1
|
|
%uint = OpTypeInt 32 0
|
|
%uint_1 = OpConstant %uint 1
|
|
%_ptr_Function_float = OpTypePointer Function %float
|
|
%_ptr_Input_v4float = OpTypePointer Input %v4float
|
|
%BaseColor = OpVariable %_ptr_Input_v4float Input
|
|
%_ptr_Function_v4float = OpTypePointer Function %v4float
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%gl_FragColor = OpVariable %_ptr_Output_v4float Output
|
|
%float_0 = OpConstant %float 0
|
|
)";
|
|
|
|
const std::string after_predefs =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %BaseColor %gl_FragColor
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 140
|
|
OpName %main "main"
|
|
OpName %S_t "S_t"
|
|
OpMemberName %S_t 0 "v0"
|
|
OpMemberName %S_t 1 "v1"
|
|
OpName %s0 "s0"
|
|
OpName %BaseColor "BaseColor"
|
|
OpName %gl_FragColor "gl_FragColor"
|
|
%void = OpTypeVoid
|
|
%8 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%S_t = OpTypeStruct %v4float %v4float
|
|
%_ptr_Function_S_t = OpTypePointer Function %S_t
|
|
%int = OpTypeInt 32 1
|
|
%int_1 = OpConstant %int 1
|
|
%float_1 = OpConstant %float 1
|
|
%uint = OpTypeInt 32 0
|
|
%uint_1 = OpConstant %uint 1
|
|
%_ptr_Function_float = OpTypePointer Function %float
|
|
%_ptr_Input_v4float = OpTypePointer Input %v4float
|
|
%BaseColor = OpVariable %_ptr_Input_v4float Input
|
|
%_ptr_Function_v4float = OpTypePointer Function %v4float
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%gl_FragColor = OpVariable %_ptr_Output_v4float Output
|
|
%float_0 = OpConstant %float 0
|
|
)";
|
|
|
|
const std::string before =
|
|
R"(%main = OpFunction %void None %8
|
|
%22 = OpLabel
|
|
%s0 = OpVariable %_ptr_Function_S_t Function
|
|
%23 = OpLoad %S_t %s0
|
|
%24 = OpCompositeInsert %S_t %float_1 %23 1 1
|
|
%25 = OpLoad %v4float %BaseColor
|
|
%26 = OpCompositeInsert %S_t %25 %24 1
|
|
%27 = OpCompositeExtract %float %26 1 1
|
|
%28 = OpCompositeConstruct %v4float %27 %float_0 %float_0 %float_0
|
|
OpStore %gl_FragColor %28
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string after =
|
|
R"(%main = OpFunction %void None %8
|
|
%22 = OpLabel
|
|
%s0 = OpVariable %_ptr_Function_S_t Function
|
|
%23 = OpLoad %S_t %s0
|
|
%24 = OpCompositeInsert %S_t %float_1 %23 1 1
|
|
%25 = OpLoad %v4float %BaseColor
|
|
%26 = OpCompositeInsert %S_t %25 %24 1
|
|
%27 = OpCompositeExtract %float %26 1 1
|
|
%28 = OpCompositeConstruct %v4float %27 %float_0 %float_0 %float_0
|
|
OpStore %gl_FragColor %28
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<opt::InsertExtractElimPass>(
|
|
before_predefs + before, after_predefs + after, true, true);
|
|
}
|
|
|
|
TEST_F(InsertExtractElimTest, MixWithConstants) {
|
|
// Extract component of FMix with 0.0 or 1.0 as the a-value.
|
|
//
|
|
// Note: The SPIR-V assembly has had store/load elimination
|
|
// performed to allow the inserts and extracts to directly
|
|
// reference each other.
|
|
//
|
|
// #version 450
|
|
//
|
|
// layout (location=0) in float bc;
|
|
// layout (location=1) in float bc2;
|
|
// layout (location=2) in float m;
|
|
// layout (location=3) in float m2;
|
|
// layout (location=0) out vec4 OutColor;
|
|
//
|
|
// void main()
|
|
// {
|
|
// vec4 bcv = vec4(bc, bc2, 0.0, 1.0);
|
|
// vec4 bcv2 = vec4(bc2, bc, 1.0, 0.0);
|
|
// vec4 v = mix(bcv, bcv2, vec4(0.0,1.0,m,m2));
|
|
// OutColor = vec4(v.y);
|
|
// }
|
|
|
|
const std::string predefs =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %bc %bc2 %m %m2 %OutColor
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 450
|
|
OpName %main "main"
|
|
OpName %bc "bc"
|
|
OpName %bc2 "bc2"
|
|
OpName %m "m"
|
|
OpName %m2 "m2"
|
|
OpName %OutColor "OutColor"
|
|
OpDecorate %bc Location 0
|
|
OpDecorate %bc2 Location 1
|
|
OpDecorate %m Location 2
|
|
OpDecorate %m2 Location 3
|
|
OpDecorate %OutColor Location 0
|
|
%void = OpTypeVoid
|
|
%9 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Function_v4float = OpTypePointer Function %v4float
|
|
%_ptr_Input_float = OpTypePointer Input %float
|
|
%bc = OpVariable %_ptr_Input_float Input
|
|
%bc2 = OpVariable %_ptr_Input_float Input
|
|
%float_0 = OpConstant %float 0
|
|
%float_1 = OpConstant %float 1
|
|
%m = OpVariable %_ptr_Input_float Input
|
|
%m2 = OpVariable %_ptr_Input_float Input
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%OutColor = OpVariable %_ptr_Output_v4float Output
|
|
%uint = OpTypeInt 32 0
|
|
%_ptr_Function_float = OpTypePointer Function %float
|
|
)";
|
|
|
|
const std::string before =
|
|
R"(%main = OpFunction %void None %9
|
|
%19 = OpLabel
|
|
%20 = OpLoad %float %bc
|
|
%21 = OpLoad %float %bc2
|
|
%22 = OpCompositeConstruct %v4float %20 %21 %float_0 %float_1
|
|
%23 = OpLoad %float %bc2
|
|
%24 = OpLoad %float %bc
|
|
%25 = OpCompositeConstruct %v4float %23 %24 %float_1 %float_0
|
|
%26 = OpLoad %float %m
|
|
%27 = OpLoad %float %m2
|
|
%28 = OpCompositeConstruct %v4float %float_0 %float_1 %26 %27
|
|
%29 = OpExtInst %v4float %1 FMix %22 %25 %28
|
|
%30 = OpCompositeExtract %float %29 1
|
|
%31 = OpCompositeConstruct %v4float %30 %30 %30 %30
|
|
OpStore %OutColor %31
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string after =
|
|
R"(%main = OpFunction %void None %9
|
|
%19 = OpLabel
|
|
%20 = OpLoad %float %bc
|
|
%21 = OpLoad %float %bc2
|
|
%22 = OpCompositeConstruct %v4float %20 %21 %float_0 %float_1
|
|
%23 = OpLoad %float %bc2
|
|
%24 = OpLoad %float %bc
|
|
%25 = OpCompositeConstruct %v4float %23 %24 %float_1 %float_0
|
|
%26 = OpLoad %float %m
|
|
%27 = OpLoad %float %m2
|
|
%28 = OpCompositeConstruct %v4float %float_0 %float_1 %26 %27
|
|
%29 = OpExtInst %v4float %1 FMix %22 %25 %28
|
|
%31 = OpCompositeConstruct %v4float %24 %24 %24 %24
|
|
OpStore %OutColor %31
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<opt::InsertExtractElimPass>(
|
|
predefs + before, predefs + after, true, true);
|
|
}
|
|
|
|
TEST_F(InsertExtractElimTest, VectorShuffle1) {
|
|
// Extract component from first vector in VectorShuffle
|
|
//
|
|
// Note: The SPIR-V assembly has had store/load elimination
|
|
// performed to allow the inserts and extracts to directly
|
|
// reference each other.
|
|
//
|
|
// #version 450
|
|
//
|
|
// layout (location=0) in float bc;
|
|
// layout (location=1) in float bc2;
|
|
// layout (location=0) out vec4 OutColor;
|
|
//
|
|
// void main()
|
|
// {
|
|
// vec4 bcv = vec4(bc, bc2, 0.0, 1.0);
|
|
// vec4 v = bcv.zwxy;
|
|
// OutColor = vec4(v.y);
|
|
// }
|
|
|
|
const std::string predefs =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %bc %bc2 %OutColor
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 450
|
|
OpName %main "main"
|
|
OpName %bc "bc"
|
|
OpName %bc2 "bc2"
|
|
OpName %OutColor "OutColor"
|
|
OpDecorate %bc Location 0
|
|
OpDecorate %bc2 Location 1
|
|
OpDecorate %OutColor Location 0
|
|
%void = OpTypeVoid
|
|
%7 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Function_v4float = OpTypePointer Function %v4float
|
|
%_ptr_Input_float = OpTypePointer Input %float
|
|
%bc = OpVariable %_ptr_Input_float Input
|
|
%bc2 = OpVariable %_ptr_Input_float Input
|
|
%float_0 = OpConstant %float 0
|
|
%float_1 = OpConstant %float 1
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%OutColor = OpVariable %_ptr_Output_v4float Output
|
|
%uint = OpTypeInt 32 0
|
|
%_ptr_Function_float = OpTypePointer Function %float
|
|
)";
|
|
|
|
const std::string before =
|
|
R"(%main = OpFunction %void None %7
|
|
%17 = OpLabel
|
|
%18 = OpLoad %float %bc
|
|
%19 = OpLoad %float %bc2
|
|
%20 = OpCompositeConstruct %v4float %18 %19 %float_0 %float_1
|
|
%21 = OpVectorShuffle %v4float %20 %20 2 3 0 1
|
|
%22 = OpCompositeExtract %float %21 1
|
|
%23 = OpCompositeConstruct %v4float %22 %22 %22 %22
|
|
OpStore %OutColor %23
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string after =
|
|
R"(%main = OpFunction %void None %7
|
|
%17 = OpLabel
|
|
%18 = OpLoad %float %bc
|
|
%19 = OpLoad %float %bc2
|
|
%20 = OpCompositeConstruct %v4float %18 %19 %float_0 %float_1
|
|
%21 = OpVectorShuffle %v4float %20 %20 2 3 0 1
|
|
%23 = OpCompositeConstruct %v4float %float_1 %float_1 %float_1 %float_1
|
|
OpStore %OutColor %23
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<opt::InsertExtractElimPass>(
|
|
predefs + before, predefs + after, true, true);
|
|
}
|
|
|
|
TEST_F(InsertExtractElimTest, VectorShuffle2) {
|
|
// Extract component from second vector in VectorShuffle
|
|
// Identical to test VectorShuffle1 except for the vector
|
|
// shuffle index of 7.
|
|
//
|
|
// Note: The SPIR-V assembly has had store/load elimination
|
|
// performed to allow the inserts and extracts to directly
|
|
// reference each other.
|
|
//
|
|
// #version 450
|
|
//
|
|
// layout (location=0) in float bc;
|
|
// layout (location=1) in float bc2;
|
|
// layout (location=0) out vec4 OutColor;
|
|
//
|
|
// void main()
|
|
// {
|
|
// vec4 bcv = vec4(bc, bc2, 0.0, 1.0);
|
|
// vec4 v = bcv.zwxy;
|
|
// OutColor = vec4(v.y);
|
|
// }
|
|
|
|
const std::string predefs =
|
|
R"(OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %bc %bc2 %OutColor
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpSource GLSL 450
|
|
OpName %main "main"
|
|
OpName %bc "bc"
|
|
OpName %bc2 "bc2"
|
|
OpName %OutColor "OutColor"
|
|
OpDecorate %bc Location 0
|
|
OpDecorate %bc2 Location 1
|
|
OpDecorate %OutColor Location 0
|
|
%void = OpTypeVoid
|
|
%7 = OpTypeFunction %void
|
|
%float = OpTypeFloat 32
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Function_v4float = OpTypePointer Function %v4float
|
|
%_ptr_Input_float = OpTypePointer Input %float
|
|
%bc = OpVariable %_ptr_Input_float Input
|
|
%bc2 = OpVariable %_ptr_Input_float Input
|
|
%float_0 = OpConstant %float 0
|
|
%float_1 = OpConstant %float 1
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%OutColor = OpVariable %_ptr_Output_v4float Output
|
|
%uint = OpTypeInt 32 0
|
|
%_ptr_Function_float = OpTypePointer Function %float
|
|
)";
|
|
|
|
const std::string before =
|
|
R"(%main = OpFunction %void None %7
|
|
%17 = OpLabel
|
|
%18 = OpLoad %float %bc
|
|
%19 = OpLoad %float %bc2
|
|
%20 = OpCompositeConstruct %v4float %18 %19 %float_0 %float_1
|
|
%21 = OpVectorShuffle %v4float %20 %20 2 7 0 1
|
|
%22 = OpCompositeExtract %float %21 1
|
|
%23 = OpCompositeConstruct %v4float %22 %22 %22 %22
|
|
OpStore %OutColor %23
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string after =
|
|
R"(%main = OpFunction %void None %7
|
|
%17 = OpLabel
|
|
%18 = OpLoad %float %bc
|
|
%19 = OpLoad %float %bc2
|
|
%20 = OpCompositeConstruct %v4float %18 %19 %float_0 %float_1
|
|
%21 = OpVectorShuffle %v4float %20 %20 2 7 0 1
|
|
%23 = OpCompositeConstruct %v4float %float_1 %float_1 %float_1 %float_1
|
|
OpStore %OutColor %23
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndCheck<opt::InsertExtractElimPass>(
|
|
predefs + before, predefs + after, true, true);
|
|
}
|
|
|
|
// TODO(greg-lunarg): Add tests to verify handling of these cases:
|
|
//
|
|
|
|
} // anonymous namespace
|