mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-11-24 20:40:13 +00:00
7a1af58785
* Support load and extract pattern in desc_sroa. * Fix typo in comments. * Load replacement var before use; and added test. * fix formatting * Address code review comments.
735 lines
31 KiB
C++
735 lines
31 KiB
C++
// Copyright (c) 2019 Google LLC
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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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#include <string>
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#include "gmock/gmock.h"
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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 DescriptorScalarReplacementTest = PassTest<::testing::Test>;
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std::string GetStructureArrayTestSpirv() {
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// The SPIR-V for the following high-level shader:
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// Flattening structures and arrays should result in the following binding
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// numbers. Only the ones that are actually used in the shader should be in
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// the final SPIR-V.
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//
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// globalS[0][0].t[0] 0 (used)
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// globalS[0][0].t[1] 1
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// globalS[0][0].s[0] 2 (used)
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// globalS[0][0].s[1] 3
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// globalS[0][1].t[0] 4
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// globalS[0][1].t[1] 5
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// globalS[0][1].s[0] 6
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// globalS[0][1].s[1] 7
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// globalS[1][0].t[0] 8
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// globalS[1][0].t[1] 9
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// globalS[1][0].s[0] 10
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// globalS[1][0].s[1] 11
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// globalS[1][1].t[0] 12
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// globalS[1][1].t[1] 13 (used)
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// globalS[1][1].s[0] 14
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// globalS[1][1].s[1] 15 (used)
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/*
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struct S {
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Texture2D t[2];
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SamplerState s[2];
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};
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S globalS[2][2];
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float4 main() : SV_Target {
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return globalS[0][0].t[0].Sample(globalS[0][0].s[0], float2(0,0)) +
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globalS[1][1].t[1].Sample(globalS[1][1].s[1], float2(0,0));
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}
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*/
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return R"(
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OpCapability Shader
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main" %out_var_SV_Target
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OpExecutionMode %main OriginUpperLeft
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OpName %S "S"
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OpMemberName %S 0 "t"
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OpMemberName %S 1 "s"
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OpName %type_2d_image "type.2d.image"
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OpName %type_sampler "type.sampler"
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OpName %globalS "globalS"
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OpName %out_var_SV_Target "out.var.SV_Target"
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OpName %main "main"
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OpName %src_main "src.main"
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OpName %bb_entry "bb.entry"
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OpName %type_sampled_image "type.sampled.image"
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OpDecorate %out_var_SV_Target Location 0
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OpDecorate %globalS DescriptorSet 0
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OpDecorate %globalS Binding 0
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%int = OpTypeInt 32 1
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%int_0 = OpConstant %int 0
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%int_1 = OpConstant %int 1
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%float = OpTypeFloat 32
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%float_0 = OpConstant %float 0
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%v2float = OpTypeVector %float 2
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%10 = OpConstantComposite %v2float %float_0 %float_0
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%uint = OpTypeInt 32 0
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%uint_2 = OpConstant %uint 2
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%type_2d_image = OpTypeImage %float 2D 2 0 0 1 Unknown
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%_arr_type_2d_image_uint_2 = OpTypeArray %type_2d_image %uint_2
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%type_sampler = OpTypeSampler
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%_arr_type_sampler_uint_2 = OpTypeArray %type_sampler %uint_2
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%S = OpTypeStruct %_arr_type_2d_image_uint_2 %_arr_type_sampler_uint_2
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%_arr_S_uint_2 = OpTypeArray %S %uint_2
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%_arr__arr_S_uint_2_uint_2 = OpTypeArray %_arr_S_uint_2 %uint_2
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%_ptr_UniformConstant__arr__arr_S_uint_2_uint_2 = OpTypePointer UniformConstant %_arr__arr_S_uint_2_uint_2
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%v4float = OpTypeVector %float 4
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%_ptr_Output_v4float = OpTypePointer Output %v4float
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%void = OpTypeVoid
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%24 = OpTypeFunction %void
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%28 = OpTypeFunction %v4float
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%_ptr_UniformConstant_type_2d_image = OpTypePointer UniformConstant %type_2d_image
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%_ptr_UniformConstant_type_sampler = OpTypePointer UniformConstant %type_sampler
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%type_sampled_image = OpTypeSampledImage %type_2d_image
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%globalS = OpVariable %_ptr_UniformConstant__arr__arr_S_uint_2_uint_2 UniformConstant
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%out_var_SV_Target = OpVariable %_ptr_Output_v4float Output
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%main = OpFunction %void None %24
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%25 = OpLabel
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%26 = OpFunctionCall %v4float %src_main
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OpStore %out_var_SV_Target %26
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OpReturn
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OpFunctionEnd
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%src_main = OpFunction %v4float None %28
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%bb_entry = OpLabel
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%31 = OpAccessChain %_ptr_UniformConstant_type_2d_image %globalS %int_0 %int_0 %int_0 %int_0
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%32 = OpLoad %type_2d_image %31
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%34 = OpAccessChain %_ptr_UniformConstant_type_sampler %globalS %int_0 %int_0 %int_1 %int_0
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%35 = OpLoad %type_sampler %34
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%37 = OpSampledImage %type_sampled_image %32 %35
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%38 = OpImageSampleImplicitLod %v4float %37 %10 None
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%39 = OpAccessChain %_ptr_UniformConstant_type_2d_image %globalS %int_1 %int_1 %int_0 %int_1
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%40 = OpLoad %type_2d_image %39
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%41 = OpAccessChain %_ptr_UniformConstant_type_sampler %globalS %int_1 %int_1 %int_1 %int_1
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%42 = OpLoad %type_sampler %41
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%43 = OpSampledImage %type_sampled_image %40 %42
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%44 = OpImageSampleImplicitLod %v4float %43 %10 None
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%45 = OpFAdd %v4float %38 %44
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OpReturnValue %45
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OpFunctionEnd
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)";
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}
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TEST_F(DescriptorScalarReplacementTest, ExpandArrayOfTextures) {
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const std::string text = R"(
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; CHECK: OpDecorate [[var1:%\w+]] DescriptorSet 0
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; CHECK: OpDecorate [[var1]] Binding 0
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; CHECK: OpDecorate [[var2:%\w+]] DescriptorSet 0
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; CHECK: OpDecorate [[var2]] Binding 1
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; CHECK: OpDecorate [[var3:%\w+]] DescriptorSet 0
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; CHECK: OpDecorate [[var3]] Binding 2
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; CHECK: OpDecorate [[var4:%\w+]] DescriptorSet 0
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; CHECK: OpDecorate [[var4]] Binding 3
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; CHECK: OpDecorate [[var5:%\w+]] DescriptorSet 0
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; CHECK: OpDecorate [[var5]] Binding 4
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; CHECK: [[image_type:%\w+]] = OpTypeImage
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; CHECK: [[ptr_type:%\w+]] = OpTypePointer UniformConstant [[image_type]]
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; CHECK: [[var1]] = OpVariable [[ptr_type]] UniformConstant
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; CHECK: [[var2]] = OpVariable [[ptr_type]] UniformConstant
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; CHECK: [[var3]] = OpVariable [[ptr_type]] UniformConstant
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; CHECK: [[var4]] = OpVariable [[ptr_type]] UniformConstant
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; CHECK: [[var5]] = OpVariable [[ptr_type]] UniformConstant
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; CHECK: OpLoad [[image_type]] [[var1]]
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; CHECK: OpLoad [[image_type]] [[var2]]
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; CHECK: OpLoad [[image_type]] [[var3]]
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; CHECK: OpLoad [[image_type]] [[var4]]
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; CHECK: OpLoad [[image_type]] [[var5]]
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OpCapability Shader
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main"
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OpExecutionMode %main OriginUpperLeft
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OpSource HLSL 600
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OpDecorate %MyTextures DescriptorSet 0
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OpDecorate %MyTextures Binding 0
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%int = OpTypeInt 32 1
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%int_0 = OpConstant %int 0
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%int_1 = OpConstant %int 1
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%int_2 = OpConstant %int 2
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%int_3 = OpConstant %int 3
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%int_4 = OpConstant %int 4
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%uint = OpTypeInt 32 0
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%uint_5 = OpConstant %uint 5
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%float = OpTypeFloat 32
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%type_2d_image = OpTypeImage %float 2D 2 0 0 1 Unknown
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%_arr_type_2d_image_uint_5 = OpTypeArray %type_2d_image %uint_5
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%_ptr_UniformConstant__arr_type_2d_image_uint_5 = OpTypePointer UniformConstant %_arr_type_2d_image_uint_5
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%v2float = OpTypeVector %float 2
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%void = OpTypeVoid
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%26 = OpTypeFunction %void
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%_ptr_UniformConstant_type_2d_image = OpTypePointer UniformConstant %type_2d_image
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%MyTextures = OpVariable %_ptr_UniformConstant__arr_type_2d_image_uint_5 UniformConstant
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%main = OpFunction %void None %26
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%28 = OpLabel
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%29 = OpUndef %v2float
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%30 = OpAccessChain %_ptr_UniformConstant_type_2d_image %MyTextures %int_0
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%31 = OpLoad %type_2d_image %30
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%35 = OpAccessChain %_ptr_UniformConstant_type_2d_image %MyTextures %int_1
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%36 = OpLoad %type_2d_image %35
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%40 = OpAccessChain %_ptr_UniformConstant_type_2d_image %MyTextures %int_2
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%41 = OpLoad %type_2d_image %40
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%45 = OpAccessChain %_ptr_UniformConstant_type_2d_image %MyTextures %int_3
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%46 = OpLoad %type_2d_image %45
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%50 = OpAccessChain %_ptr_UniformConstant_type_2d_image %MyTextures %int_4
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%51 = OpLoad %type_2d_image %50
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OpReturn
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OpFunctionEnd
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)";
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SinglePassRunAndMatch<DescriptorScalarReplacement>(text, true);
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}
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TEST_F(DescriptorScalarReplacementTest, ExpandArrayOfSamplers) {
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const std::string text = R"(
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; CHECK: OpDecorate [[var1:%\w+]] DescriptorSet 0
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; CHECK: OpDecorate [[var1]] Binding 1
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; CHECK: OpDecorate [[var2:%\w+]] DescriptorSet 0
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; CHECK: OpDecorate [[var2]] Binding 2
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; CHECK: OpDecorate [[var3:%\w+]] DescriptorSet 0
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; CHECK: OpDecorate [[var3]] Binding 3
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; CHECK: [[sampler_type:%\w+]] = OpTypeSampler
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; CHECK: [[ptr_type:%\w+]] = OpTypePointer UniformConstant [[sampler_type]]
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; CHECK: [[var1]] = OpVariable [[ptr_type]] UniformConstant
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; CHECK: [[var2]] = OpVariable [[ptr_type]] UniformConstant
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; CHECK: [[var3]] = OpVariable [[ptr_type]] UniformConstant
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; CHECK: OpLoad [[sampler_type]] [[var1]]
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; CHECK: OpLoad [[sampler_type]] [[var2]]
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; CHECK: OpLoad [[sampler_type]] [[var3]]
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OpCapability Shader
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main"
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OpExecutionMode %main OriginUpperLeft
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OpSource HLSL 600
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OpDecorate %MySampler DescriptorSet 0
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OpDecorate %MySampler Binding 1
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%int = OpTypeInt 32 1
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%int_0 = OpConstant %int 0
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%int_1 = OpConstant %int 1
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%int_2 = OpConstant %int 2
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%uint = OpTypeInt 32 0
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%uint_3 = OpConstant %uint 3
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%type_sampler = OpTypeSampler
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%_arr_type_sampler_uint_3 = OpTypeArray %type_sampler %uint_3
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%_ptr_UniformConstant__arr_type_sampler_uint_3 = OpTypePointer UniformConstant %_arr_type_sampler_uint_3
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%void = OpTypeVoid
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%26 = OpTypeFunction %void
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%_ptr_UniformConstant_type_sampler = OpTypePointer UniformConstant %type_sampler
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%MySampler = OpVariable %_ptr_UniformConstant__arr_type_sampler_uint_3 UniformConstant
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%main = OpFunction %void None %26
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%28 = OpLabel
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%31 = OpAccessChain %_ptr_UniformConstant_type_sampler %MySampler %int_0
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%32 = OpLoad %type_sampler %31
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%35 = OpAccessChain %_ptr_UniformConstant_type_sampler %MySampler %int_1
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%36 = OpLoad %type_sampler %35
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%40 = OpAccessChain %_ptr_UniformConstant_type_sampler %MySampler %int_2
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%41 = OpLoad %type_sampler %40
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OpReturn
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OpFunctionEnd
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)";
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SinglePassRunAndMatch<DescriptorScalarReplacement>(text, true);
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}
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TEST_F(DescriptorScalarReplacementTest, ExpandArrayOfSSBOs) {
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// Tests the expansion of an SSBO. Also check that an access chain with more
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// than 1 index is correctly handled.
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const std::string text = R"(
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; CHECK: OpDecorate [[var1:%\w+]] DescriptorSet 0
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; CHECK: OpDecorate [[var1]] Binding 0
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; CHECK: OpDecorate [[var2:%\w+]] DescriptorSet 0
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; CHECK: OpDecorate [[var2]] Binding 1
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; CHECK: OpTypeStruct
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; CHECK: [[struct_type:%\w+]] = OpTypeStruct
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; CHECK: [[ptr_type:%\w+]] = OpTypePointer Uniform [[struct_type]]
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; CHECK: [[var1]] = OpVariable [[ptr_type]] Uniform
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; CHECK: [[var2]] = OpVariable [[ptr_type]] Uniform
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; CHECK: [[ac1:%\w+]] = OpAccessChain %_ptr_Uniform_v4float [[var1]] %uint_0 %uint_0 %uint_0
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; CHECK: OpLoad %v4float [[ac1]]
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; CHECK: [[ac2:%\w+]] = OpAccessChain %_ptr_Uniform_v4float [[var2]] %uint_0 %uint_0 %uint_0
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; CHECK: OpLoad %v4float [[ac2]]
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OpCapability Shader
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main"
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OpExecutionMode %main OriginUpperLeft
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OpSource HLSL 600
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OpDecorate %buffers DescriptorSet 0
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OpDecorate %buffers Binding 0
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OpMemberDecorate %S 0 Offset 0
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OpDecorate %_runtimearr_S ArrayStride 16
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OpMemberDecorate %type_StructuredBuffer_S 0 Offset 0
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OpMemberDecorate %type_StructuredBuffer_S 0 NonWritable
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OpDecorate %type_StructuredBuffer_S BufferBlock
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%uint = OpTypeInt 32 0
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%uint_0 = OpConstant %uint 0
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%uint_1 = OpConstant %uint 1
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%uint_2 = OpConstant %uint 2
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%float = OpTypeFloat 32
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%v4float = OpTypeVector %float 4
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%S = OpTypeStruct %v4float
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%_runtimearr_S = OpTypeRuntimeArray %S
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%type_StructuredBuffer_S = OpTypeStruct %_runtimearr_S
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%_arr_type_StructuredBuffer_S_uint_2 = OpTypeArray %type_StructuredBuffer_S %uint_2
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%_ptr_Uniform__arr_type_StructuredBuffer_S_uint_2 = OpTypePointer Uniform %_arr_type_StructuredBuffer_S_uint_2
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%_ptr_Uniform_type_StructuredBuffer_S = OpTypePointer Uniform %type_StructuredBuffer_S
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%void = OpTypeVoid
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%19 = OpTypeFunction %void
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%_ptr_Uniform_v4float = OpTypePointer Uniform %v4float
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%buffers = OpVariable %_ptr_Uniform__arr_type_StructuredBuffer_S_uint_2 Uniform
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%main = OpFunction %void None %19
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%21 = OpLabel
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%22 = OpAccessChain %_ptr_Uniform_v4float %buffers %uint_0 %uint_0 %uint_0 %uint_0
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%23 = OpLoad %v4float %22
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%24 = OpAccessChain %_ptr_Uniform_type_StructuredBuffer_S %buffers %uint_1
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%25 = OpAccessChain %_ptr_Uniform_v4float %24 %uint_0 %uint_0 %uint_0
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%26 = OpLoad %v4float %25
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OpReturn
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OpFunctionEnd
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)";
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SinglePassRunAndMatch<DescriptorScalarReplacement>(text, true);
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}
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TEST_F(DescriptorScalarReplacementTest, NameNewVariables) {
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// Checks that if the original variable has a name, then the new variables
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// will have a name derived from that name.
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const std::string text = R"(
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; CHECK: OpName [[var1:%\w+]] "SSBO[0]"
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; CHECK: OpName [[var2:%\w+]] "SSBO[1]"
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; CHECK: OpDecorate [[var1]] DescriptorSet 0
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; CHECK: OpDecorate [[var1]] Binding 0
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; CHECK: OpDecorate [[var2]] DescriptorSet 0
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; CHECK: OpDecorate [[var2]] Binding 1
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; CHECK: OpTypeStruct
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; CHECK: [[struct_type:%\w+]] = OpTypeStruct
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; CHECK: [[ptr_type:%\w+]] = OpTypePointer Uniform [[struct_type]]
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; CHECK: [[var1]] = OpVariable [[ptr_type]] Uniform
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; CHECK: [[var2]] = OpVariable [[ptr_type]] Uniform
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; CHECK: [[ac1:%\w+]] = OpAccessChain %_ptr_Uniform_v4float [[var1]] %uint_0 %uint_0 %uint_0
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; CHECK: OpLoad %v4float [[ac1]]
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; CHECK: [[ac2:%\w+]] = OpAccessChain %_ptr_Uniform_v4float [[var2]] %uint_0 %uint_0 %uint_0
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; CHECK: OpLoad %v4float [[ac2]]
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OpCapability Shader
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main"
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OpExecutionMode %main OriginUpperLeft
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OpSource HLSL 600
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OpName %buffers "SSBO"
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OpDecorate %buffers DescriptorSet 0
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OpDecorate %buffers Binding 0
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OpMemberDecorate %S 0 Offset 0
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OpDecorate %_runtimearr_S ArrayStride 16
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OpMemberDecorate %type_StructuredBuffer_S 0 Offset 0
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OpMemberDecorate %type_StructuredBuffer_S 0 NonWritable
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OpDecorate %type_StructuredBuffer_S BufferBlock
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%uint = OpTypeInt 32 0
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%uint_0 = OpConstant %uint 0
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%uint_1 = OpConstant %uint 1
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%uint_2 = OpConstant %uint 2
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%float = OpTypeFloat 32
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%v4float = OpTypeVector %float 4
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%S = OpTypeStruct %v4float
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%_runtimearr_S = OpTypeRuntimeArray %S
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%type_StructuredBuffer_S = OpTypeStruct %_runtimearr_S
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%_arr_type_StructuredBuffer_S_uint_2 = OpTypeArray %type_StructuredBuffer_S %uint_2
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%_ptr_Uniform__arr_type_StructuredBuffer_S_uint_2 = OpTypePointer Uniform %_arr_type_StructuredBuffer_S_uint_2
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%_ptr_Uniform_type_StructuredBuffer_S = OpTypePointer Uniform %type_StructuredBuffer_S
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%void = OpTypeVoid
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%19 = OpTypeFunction %void
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%_ptr_Uniform_v4float = OpTypePointer Uniform %v4float
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%buffers = OpVariable %_ptr_Uniform__arr_type_StructuredBuffer_S_uint_2 Uniform
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%main = OpFunction %void None %19
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%21 = OpLabel
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%22 = OpAccessChain %_ptr_Uniform_v4float %buffers %uint_0 %uint_0 %uint_0 %uint_0
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%23 = OpLoad %v4float %22
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%24 = OpAccessChain %_ptr_Uniform_type_StructuredBuffer_S %buffers %uint_1
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%25 = OpAccessChain %_ptr_Uniform_v4float %24 %uint_0 %uint_0 %uint_0
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%26 = OpLoad %v4float %25
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OpReturn
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OpFunctionEnd
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)";
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SinglePassRunAndMatch<DescriptorScalarReplacement>(text, true);
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}
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TEST_F(DescriptorScalarReplacementTest, DontExpandCBuffers) {
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// Checks that constant buffers are not expanded.
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// Constant buffers are represented as global structures, but they should not
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// be replaced with new variables for their elements.
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/*
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cbuffer MyCbuffer : register(b1) {
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float2 a;
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float2 b;
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};
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float main() : A {
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return a.x + b.y;
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}
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*/
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const std::string text = R"(
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; CHECK: OpAccessChain %_ptr_Uniform_float %MyCbuffer %int_0 %int_0
|
|
; CHECK: OpAccessChain %_ptr_Uniform_float %MyCbuffer %int_1 %int_1
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Vertex %main "main" %out_var_A
|
|
OpSource HLSL 600
|
|
OpName %type_MyCbuffer "type.MyCbuffer"
|
|
OpMemberName %type_MyCbuffer 0 "a"
|
|
OpMemberName %type_MyCbuffer 1 "b"
|
|
OpName %MyCbuffer "MyCbuffer"
|
|
OpName %out_var_A "out.var.A"
|
|
OpName %main "main"
|
|
OpDecorate %out_var_A Location 0
|
|
OpDecorate %MyCbuffer DescriptorSet 0
|
|
OpDecorate %MyCbuffer Binding 1
|
|
OpMemberDecorate %type_MyCbuffer 0 Offset 0
|
|
OpMemberDecorate %type_MyCbuffer 1 Offset 8
|
|
OpDecorate %type_MyCbuffer Block
|
|
%int = OpTypeInt 32 1
|
|
%int_0 = OpConstant %int 0
|
|
%int_1 = OpConstant %int 1
|
|
%float = OpTypeFloat 32
|
|
%v2float = OpTypeVector %float 2
|
|
%type_MyCbuffer = OpTypeStruct %v2float %v2float
|
|
%_ptr_Uniform_type_MyCbuffer = OpTypePointer Uniform %type_MyCbuffer
|
|
%_ptr_Output_float = OpTypePointer Output %float
|
|
%void = OpTypeVoid
|
|
%13 = OpTypeFunction %void
|
|
%_ptr_Uniform_float = OpTypePointer Uniform %float
|
|
%MyCbuffer = OpVariable %_ptr_Uniform_type_MyCbuffer Uniform
|
|
%out_var_A = OpVariable %_ptr_Output_float Output
|
|
%main = OpFunction %void None %13
|
|
%15 = OpLabel
|
|
%16 = OpAccessChain %_ptr_Uniform_float %MyCbuffer %int_0 %int_0
|
|
%17 = OpLoad %float %16
|
|
%18 = OpAccessChain %_ptr_Uniform_float %MyCbuffer %int_1 %int_1
|
|
%19 = OpLoad %float %18
|
|
%20 = OpFAdd %float %17 %19
|
|
OpStore %out_var_A %20
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndMatch<DescriptorScalarReplacement>(text, true);
|
|
}
|
|
|
|
TEST_F(DescriptorScalarReplacementTest, DontExpandStructuredBuffers) {
|
|
// Checks that structured buffers are not expanded.
|
|
// Structured buffers are represented as global structures, that have one
|
|
// member which is a runtime array.
|
|
/*
|
|
struct S {
|
|
float2 a;
|
|
float2 b;
|
|
};
|
|
RWStructuredBuffer<S> sb;
|
|
float main() : A {
|
|
return sb[0].a.x + sb[0].b.x;
|
|
}
|
|
*/
|
|
const std::string text = R"(
|
|
; CHECK: OpAccessChain %_ptr_Uniform_float %sb %int_0 %uint_0 %int_0 %int_0
|
|
; CHECK: OpAccessChain %_ptr_Uniform_float %sb %int_0 %uint_0 %int_1 %int_0
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Vertex %main "main" %out_var_A
|
|
OpName %type_RWStructuredBuffer_S "type.RWStructuredBuffer.S"
|
|
OpName %S "S"
|
|
OpMemberName %S 0 "a"
|
|
OpMemberName %S 1 "b"
|
|
OpName %sb "sb"
|
|
OpName %out_var_A "out.var.A"
|
|
OpName %main "main"
|
|
OpDecorate %out_var_A Location 0
|
|
OpDecorate %sb DescriptorSet 0
|
|
OpDecorate %sb Binding 0
|
|
OpMemberDecorate %S 0 Offset 0
|
|
OpMemberDecorate %S 1 Offset 8
|
|
OpDecorate %_runtimearr_S ArrayStride 16
|
|
OpMemberDecorate %type_RWStructuredBuffer_S 0 Offset 0
|
|
OpDecorate %type_RWStructuredBuffer_S BufferBlock
|
|
%int = OpTypeInt 32 1
|
|
%int_0 = OpConstant %int 0
|
|
%uint = OpTypeInt 32 0
|
|
%uint_0 = OpConstant %uint 0
|
|
%int_1 = OpConstant %int 1
|
|
%float = OpTypeFloat 32
|
|
%v2float = OpTypeVector %float 2
|
|
%S = OpTypeStruct %v2float %v2float
|
|
%_runtimearr_S = OpTypeRuntimeArray %S
|
|
%type_RWStructuredBuffer_S = OpTypeStruct %_runtimearr_S
|
|
%_ptr_Uniform_type_RWStructuredBuffer_S = OpTypePointer Uniform %type_RWStructuredBuffer_S
|
|
%_ptr_Output_float = OpTypePointer Output %float
|
|
%void = OpTypeVoid
|
|
%17 = OpTypeFunction %void
|
|
%_ptr_Uniform_float = OpTypePointer Uniform %float
|
|
%sb = OpVariable %_ptr_Uniform_type_RWStructuredBuffer_S Uniform
|
|
%out_var_A = OpVariable %_ptr_Output_float Output
|
|
%main = OpFunction %void None %17
|
|
%19 = OpLabel
|
|
%20 = OpAccessChain %_ptr_Uniform_float %sb %int_0 %uint_0 %int_0 %int_0
|
|
%21 = OpLoad %float %20
|
|
%22 = OpAccessChain %_ptr_Uniform_float %sb %int_0 %uint_0 %int_1 %int_0
|
|
%23 = OpLoad %float %22
|
|
%24 = OpFAdd %float %21 %23
|
|
OpStore %out_var_A %24
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
SinglePassRunAndMatch<DescriptorScalarReplacement>(text, true);
|
|
}
|
|
|
|
TEST_F(DescriptorScalarReplacementTest, StructureArrayNames) {
|
|
// Checks that names are properly generated for multi-dimension arrays and
|
|
// structure members.
|
|
const std::string checks = R"(
|
|
; CHECK: OpName %globalS_0__0__t_0_ "globalS[0][0].t[0]"
|
|
; CHECK: OpName %globalS_0__0__s_0_ "globalS[0][0].s[0]"
|
|
; CHECK: OpName %globalS_1__1__t_1_ "globalS[1][1].t[1]"
|
|
; CHECK: OpName %globalS_1__1__s_1_ "globalS[1][1].s[1]"
|
|
)";
|
|
|
|
const std::string text = checks + GetStructureArrayTestSpirv();
|
|
SinglePassRunAndMatch<DescriptorScalarReplacement>(text, true);
|
|
}
|
|
|
|
TEST_F(DescriptorScalarReplacementTest, StructureArrayBindings) {
|
|
// Checks that flattening structures and arrays results in correct binding
|
|
// numbers.
|
|
const std::string checks = R"(
|
|
; CHECK: OpDecorate %globalS_0__0__t_0_ Binding 0
|
|
; CHECK: OpDecorate %globalS_0__0__s_0_ Binding 2
|
|
; CHECK: OpDecorate %globalS_1__1__t_1_ Binding 13
|
|
; CHECK: OpDecorate %globalS_1__1__s_1_ Binding 15
|
|
)";
|
|
|
|
const std::string text = checks + GetStructureArrayTestSpirv();
|
|
SinglePassRunAndMatch<DescriptorScalarReplacement>(text, true);
|
|
}
|
|
|
|
TEST_F(DescriptorScalarReplacementTest, StructureArrayReplacements) {
|
|
// Checks that all access chains indexing into structures and/or arrays are
|
|
// replaced with direct access to replacement variables.
|
|
const std::string checks = R"(
|
|
; CHECK-NOT: OpAccessChain
|
|
; CHECK: OpLoad %type_2d_image %globalS_0__0__t_0_
|
|
; CHECK: OpLoad %type_sampler %globalS_0__0__s_0_
|
|
; CHECK: OpLoad %type_2d_image %globalS_1__1__t_1_
|
|
; CHECK: OpLoad %type_sampler %globalS_1__1__s_1_
|
|
)";
|
|
|
|
const std::string text = checks + GetStructureArrayTestSpirv();
|
|
SinglePassRunAndMatch<DescriptorScalarReplacement>(text, true);
|
|
}
|
|
|
|
TEST_F(DescriptorScalarReplacementTest, ResourceStructAsFunctionParam) {
|
|
// Checks that a mix of OpAccessChain, OpLoad, and OpCompositeExtract patterns
|
|
// can be properly replaced with replacement variables.
|
|
// This pattern can be seen when a global structure of resources is passed to
|
|
// a function.
|
|
|
|
/* High-level source:
|
|
// globalS[0].t[0] binding: 0 (used)
|
|
// globalS[0].t[1] binding: 1 (used)
|
|
// globalS[0].tt[0].s[0] binding: 2
|
|
// globalS[0].tt[0].s[1] binding: 3 (used)
|
|
// globalS[0].tt[0].s[2] binding: 4
|
|
// globalS[0].tt[1].s[0] binding: 5
|
|
// globalS[0].tt[1].s[1] binding: 6
|
|
// globalS[0].tt[1].s[2] binding: 7 (used)
|
|
// globalS[1].t[0] binding: 8 (used)
|
|
// globalS[1].t[1] binding: 9 (used)
|
|
// globalS[1].tt[0].s[0] binding: 10
|
|
// globalS[1].tt[0].s[1] binding: 11 (used)
|
|
// globalS[1].tt[0].s[2] binding: 12
|
|
// globalS[1].tt[1].s[0] binding: 13
|
|
// globalS[1].tt[1].s[1] binding: 14
|
|
// globalS[1].tt[1].s[2] binding: 15 (used)
|
|
|
|
struct T {
|
|
SamplerState s[3];
|
|
};
|
|
|
|
struct S {
|
|
Texture2D t[2];
|
|
T tt[2];
|
|
};
|
|
|
|
float4 tex2D(S x, float2 v) {
|
|
return x.t[0].Sample(x.tt[0].s[1], v) + x.t[1].Sample(x.tt[1].s[2], v);
|
|
}
|
|
|
|
S globalS[2];
|
|
|
|
float4 main() : SV_Target {
|
|
return tex2D(globalS[0], float2(0,0)) + tex2D(globalS[1], float2(0,0)) ;
|
|
}
|
|
*/
|
|
const std::string shader = R"(
|
|
OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %main "main" %out_var_SV_Target
|
|
OpExecutionMode %main OriginUpperLeft
|
|
OpName %S "S"
|
|
OpMemberName %S 0 "t"
|
|
OpMemberName %S 1 "tt"
|
|
OpName %type_2d_image "type.2d.image"
|
|
OpName %T "T"
|
|
OpMemberName %T 0 "s"
|
|
OpName %type_sampler "type.sampler"
|
|
OpName %globalS "globalS"
|
|
OpName %out_var_SV_Target "out.var.SV_Target"
|
|
OpName %main "main"
|
|
OpName %type_sampled_image "type.sampled.image"
|
|
OpDecorate %out_var_SV_Target Location 0
|
|
OpDecorate %globalS DescriptorSet 0
|
|
OpDecorate %globalS Binding 0
|
|
%int = OpTypeInt 32 1
|
|
%int_0 = OpConstant %int 0
|
|
%float = OpTypeFloat 32
|
|
%float_0 = OpConstant %float 0
|
|
%v2float = OpTypeVector %float 2
|
|
%14 = OpConstantComposite %v2float %float_0 %float_0
|
|
%int_1 = OpConstant %int 1
|
|
%uint = OpTypeInt 32 0
|
|
%uint_2 = OpConstant %uint 2
|
|
%type_2d_image = OpTypeImage %float 2D 2 0 0 1 Unknown
|
|
%_arr_type_2d_image_uint_2 = OpTypeArray %type_2d_image %uint_2
|
|
%uint_3 = OpConstant %uint 3
|
|
%type_sampler = OpTypeSampler
|
|
%_arr_type_sampler_uint_3 = OpTypeArray %type_sampler %uint_3
|
|
%T = OpTypeStruct %_arr_type_sampler_uint_3
|
|
%_arr_T_uint_2 = OpTypeArray %T %uint_2
|
|
%S = OpTypeStruct %_arr_type_2d_image_uint_2 %_arr_T_uint_2
|
|
%_arr_S_uint_2 = OpTypeArray %S %uint_2
|
|
%_ptr_UniformConstant__arr_S_uint_2 = OpTypePointer UniformConstant %_arr_S_uint_2
|
|
%v4float = OpTypeVector %float 4
|
|
%_ptr_Output_v4float = OpTypePointer Output %v4float
|
|
%void = OpTypeVoid
|
|
%27 = OpTypeFunction %void
|
|
%_ptr_UniformConstant_S = OpTypePointer UniformConstant %S
|
|
%type_sampled_image = OpTypeSampledImage %type_2d_image
|
|
%globalS = OpVariable %_ptr_UniformConstant__arr_S_uint_2 UniformConstant
|
|
%out_var_SV_Target = OpVariable %_ptr_Output_v4float Output
|
|
%main = OpFunction %void None %27
|
|
%29 = OpLabel
|
|
%30 = OpAccessChain %_ptr_UniformConstant_S %globalS %int_0
|
|
%31 = OpLoad %S %30
|
|
%32 = OpCompositeExtract %_arr_type_2d_image_uint_2 %31 0
|
|
%33 = OpCompositeExtract %type_2d_image %32 0
|
|
%34 = OpCompositeExtract %type_2d_image %32 1
|
|
%35 = OpCompositeExtract %_arr_T_uint_2 %31 1
|
|
%36 = OpCompositeExtract %T %35 0
|
|
%37 = OpCompositeExtract %_arr_type_sampler_uint_3 %36 0
|
|
%38 = OpCompositeExtract %type_sampler %37 1
|
|
%39 = OpCompositeExtract %T %35 1
|
|
%40 = OpCompositeExtract %_arr_type_sampler_uint_3 %39 0
|
|
%41 = OpCompositeExtract %type_sampler %40 2
|
|
%42 = OpSampledImage %type_sampled_image %33 %38
|
|
%43 = OpImageSampleImplicitLod %v4float %42 %14 None
|
|
%44 = OpSampledImage %type_sampled_image %34 %41
|
|
%45 = OpImageSampleImplicitLod %v4float %44 %14 None
|
|
%46 = OpFAdd %v4float %43 %45
|
|
%47 = OpAccessChain %_ptr_UniformConstant_S %globalS %int_1
|
|
%48 = OpLoad %S %47
|
|
%49 = OpCompositeExtract %_arr_type_2d_image_uint_2 %48 0
|
|
%50 = OpCompositeExtract %type_2d_image %49 0
|
|
%51 = OpCompositeExtract %type_2d_image %49 1
|
|
%52 = OpCompositeExtract %_arr_T_uint_2 %48 1
|
|
%53 = OpCompositeExtract %T %52 0
|
|
%54 = OpCompositeExtract %_arr_type_sampler_uint_3 %53 0
|
|
%55 = OpCompositeExtract %type_sampler %54 1
|
|
%56 = OpCompositeExtract %T %52 1
|
|
%57 = OpCompositeExtract %_arr_type_sampler_uint_3 %56 0
|
|
%58 = OpCompositeExtract %type_sampler %57 2
|
|
%59 = OpSampledImage %type_sampled_image %50 %55
|
|
%60 = OpImageSampleImplicitLod %v4float %59 %14 None
|
|
%61 = OpSampledImage %type_sampled_image %51 %58
|
|
%62 = OpImageSampleImplicitLod %v4float %61 %14 None
|
|
%63 = OpFAdd %v4float %60 %62
|
|
%64 = OpFAdd %v4float %46 %63
|
|
OpStore %out_var_SV_Target %64
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const std::string checks = R"(
|
|
; CHECK: OpName %globalS_0__t_0_ "globalS[0].t[0]"
|
|
; CHECK: OpName %globalS_0__t_1_ "globalS[0].t[1]"
|
|
; CHECK: OpName %globalS_1__t_0_ "globalS[1].t[0]"
|
|
; CHECK: OpName %globalS_1__t_1_ "globalS[1].t[1]"
|
|
; CHECK: OpName %globalS_0__tt_0__s_1_ "globalS[0].tt[0].s[1]"
|
|
; CHECK: OpName %globalS_0__tt_1__s_2_ "globalS[0].tt[1].s[2]"
|
|
; CHECK: OpName %globalS_1__tt_0__s_1_ "globalS[1].tt[0].s[1]"
|
|
; CHECK: OpName %globalS_1__tt_1__s_2_ "globalS[1].tt[1].s[2]"
|
|
; CHECK: OpDecorate %globalS_0__t_0_ Binding 0
|
|
; CHECK: OpDecorate %globalS_0__t_1_ Binding 1
|
|
; CHECK: OpDecorate %globalS_1__t_0_ Binding 8
|
|
; CHECK: OpDecorate %globalS_1__t_1_ Binding 9
|
|
; CHECK: OpDecorate %globalS_0__tt_0__s_1_ Binding 3
|
|
; CHECK: OpDecorate %globalS_0__tt_1__s_2_ Binding 7
|
|
; CHECK: OpDecorate %globalS_1__tt_0__s_1_ Binding 11
|
|
; CHECK: OpDecorate %globalS_1__tt_1__s_2_ Binding 15
|
|
|
|
; CHECK: %globalS_0__t_0_ = OpVariable %_ptr_UniformConstant_type_2d_image UniformConstant
|
|
; CHECK: %globalS_0__t_1_ = OpVariable %_ptr_UniformConstant_type_2d_image UniformConstant
|
|
; CHECK: %globalS_1__t_0_ = OpVariable %_ptr_UniformConstant_type_2d_image UniformConstant
|
|
; CHECK: %globalS_1__t_1_ = OpVariable %_ptr_UniformConstant_type_2d_image UniformConstant
|
|
; CHECK: %globalS_0__tt_0__s_1_ = OpVariable %_ptr_UniformConstant_type_sampler UniformConstant
|
|
; CHECK: %globalS_0__tt_1__s_2_ = OpVariable %_ptr_UniformConstant_type_sampler UniformConstant
|
|
; CHECK: %globalS_1__tt_0__s_1_ = OpVariable %_ptr_UniformConstant_type_sampler UniformConstant
|
|
; CHECK: %globalS_1__tt_1__s_2_ = OpVariable %_ptr_UniformConstant_type_sampler UniformConstant
|
|
|
|
; CHECK: [[img_1:%\w+]] = OpLoad %type_2d_image %globalS_0__t_0_
|
|
; CHECK: [[img_2:%\w+]] = OpLoad %type_2d_image %globalS_0__t_1_
|
|
; CHECK: [[sampler_1:%\w+]] = OpLoad %type_sampler %globalS_0__tt_0__s_1_
|
|
; CHECK: [[sampler_2:%\w+]] = OpLoad %type_sampler %globalS_0__tt_1__s_2_
|
|
|
|
; CHECK: [[sampled_img_1:%\w+]] = OpSampledImage %type_sampled_image [[img_1]] [[sampler_1]]
|
|
; CHECK: [[sample_1:%\w+]] = OpImageSampleImplicitLod %v4float [[sampled_img_1]]
|
|
; CHECK: [[sampled_img_2:%\w+]] = OpSampledImage %type_sampled_image [[img_2]] [[sampler_2]]
|
|
; CHECK: [[sample_2:%\w+]] = OpImageSampleImplicitLod %v4float [[sampled_img_2]]
|
|
; CHECK: OpFAdd %v4float [[sample_1]] [[sample_2]]
|
|
|
|
; CHECK: [[img_3:%\w+]] = OpLoad %type_2d_image %globalS_1__t_0_
|
|
; CHECK: [[img_4:%\w+]] = OpLoad %type_2d_image %globalS_1__t_1_
|
|
; CHECK: [[sampler_3:%\w+]] = OpLoad %type_sampler %globalS_1__tt_0__s_1_
|
|
; CHECK: [[sampler_4:%\w+]] = OpLoad %type_sampler %globalS_1__tt_1__s_2_
|
|
|
|
; CHECK: [[sampled_img_3:%\w+]] = OpSampledImage %type_sampled_image [[img_3]] [[sampler_3]]
|
|
; CHECK: [[sample_3:%\w+]] = OpImageSampleImplicitLod %v4float [[sampled_img_3]]
|
|
; CHECK: [[sampled_img_4:%\w+]] = OpSampledImage %type_sampled_image [[img_4]] [[sampler_4]]
|
|
; CHECK: [[sample_4:%\w+]] = OpImageSampleImplicitLod %v4float [[sampled_img_4]]
|
|
; CHECK: OpFAdd %v4float [[sample_3]] [[sample_4]]
|
|
)";
|
|
|
|
SinglePassRunAndMatch<DescriptorScalarReplacement>(checks + shader, true);
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace opt
|
|
} // namespace spvtools
|