243 lines
7.1 KiB
C++
243 lines
7.1 KiB
C++
// Copyright (c) 2024 Epic Games, 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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#include <string>
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#include "gmock/gmock.h"
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#include "source/opt/struct_packing_pass.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 StructPackingTest = PassTest<::testing::Test>;
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TEST_F(StructPackingTest, PackSimpleStructStd140) {
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// #version 420
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//
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// layout(std140, binding = 0) uniform Globals {
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// layout(offset = 16) vec3 a_xyz;
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// float a_w;
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// layout(offset = 128) vec3 b_xyz;
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// int b_w;
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// };
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//
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// void main() {}
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const std::string spirv = R"(
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OpCapability Shader
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main"
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OpExecutionMode %main OriginLowerLeft
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OpSource GLSL 420
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OpName %main "main"
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OpName %Globals "Globals"
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OpMemberName %Globals 0 "a_xyz"
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OpMemberName %Globals 1 "a_w"
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OpMemberName %Globals 2 "b_xyz"
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OpMemberName %Globals 3 "b_w"
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OpName %_ ""
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; CHECK: OpMemberDecorate %Globals 0 Offset 0
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OpMemberDecorate %Globals 0 Offset 16
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; CHECK: OpMemberDecorate %Globals 1 Offset 12
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OpMemberDecorate %Globals 1 Offset 28
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; CHECK: OpMemberDecorate %Globals 2 Offset 16
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OpMemberDecorate %Globals 2 Offset 128
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; CHECK: OpMemberDecorate %Globals 3 Offset 28
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OpMemberDecorate %Globals 3 Offset 140
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OpDecorate %Globals Block
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OpDecorate %_ DescriptorSet 0
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OpDecorate %_ Binding 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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%v3float = OpTypeVector %float 3
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%int = OpTypeInt 32 1
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%Globals = OpTypeStruct %v3float %float %v3float %int
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%_ptr_Uniform_Globals = OpTypePointer Uniform %Globals
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%_ = OpVariable %_ptr_Uniform_Globals Uniform
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%main = OpFunction %void None %3
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%5 = OpLabel
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OpReturn
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OpFunctionEnd
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)";
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SinglePassRunAndMatch<StructPackingPass>(
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spirv, true, "Globals", StructPackingPass::PackingRules::Std140);
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}
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TEST_F(StructPackingTest, PackSimpleStructWithPaddingStd140) {
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// #version 420
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//
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// layout(std140, binding = 0) uniform Globals {
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// layout(offset = 16) vec3 a_xyz;
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// float a_w;
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// float b_x_padding_yzw;
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// layout(offset = 128) vec3 c_xyz;
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// int c_w;
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// };
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//
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// void main() {}
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const std::string spirv = R"(
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OpCapability Shader
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main"
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OpExecutionMode %main OriginLowerLeft
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OpSource GLSL 420
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OpName %main "main"
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OpName %Globals "Globals"
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OpMemberName %Globals 0 "a_xyz"
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OpMemberName %Globals 1 "a_w"
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OpMemberName %Globals 2 "b_x_padding_yzw"
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OpMemberName %Globals 3 "c_xyz"
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OpMemberName %Globals 4 "c_w"
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OpName %_ ""
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; CHECK: OpMemberDecorate %Globals 0 Offset 0
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OpMemberDecorate %Globals 0 Offset 16
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; CHECK: OpMemberDecorate %Globals 1 Offset 12
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OpMemberDecorate %Globals 1 Offset 28
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; CHECK: OpMemberDecorate %Globals 2 Offset 16
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OpMemberDecorate %Globals 2 Offset 32
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; CHECK: OpMemberDecorate %Globals 3 Offset 32
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OpMemberDecorate %Globals 3 Offset 128
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; CHECK: OpMemberDecorate %Globals 4 Offset 44
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OpMemberDecorate %Globals 4 Offset 140
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OpDecorate %Globals Block
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OpDecorate %_ DescriptorSet 0
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OpDecorate %_ Binding 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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%v3float = OpTypeVector %float 3
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%int = OpTypeInt 32 1
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%Globals = OpTypeStruct %v3float %float %float %v3float %int
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%_ptr_Uniform_Globals = OpTypePointer Uniform %Globals
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%_ = OpVariable %_ptr_Uniform_Globals Uniform
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%main = OpFunction %void None %3
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%5 = OpLabel
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OpReturn
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OpFunctionEnd
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)";
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SinglePassRunAndMatch<StructPackingPass>(
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spirv, true, "Globals", StructPackingPass::PackingRules::Std140);
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}
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TEST_F(StructPackingTest, PackSimpleScalarArrayStd140) {
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// #version 420
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//
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// layout(std140, binding = 0) uniform Globals {
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// layout(offset = 16) float a[2];
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// layout(offset = 128) float b[2]; // Must become offset 32 with std140
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// };
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//
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// void main() {}
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const std::string spirv = R"(
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OpCapability Shader
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main"
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OpExecutionMode %main OriginLowerLeft
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OpSource GLSL 420
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OpName %main "main"
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OpName %Globals "Globals"
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OpMemberName %Globals 0 "a"
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OpMemberName %Globals 1 "b"
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OpName %_ ""
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OpDecorate %_arr_float_uint_2 ArrayStride 16
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OpDecorate %_arr_float_uint_2_0 ArrayStride 16
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; CHECK: OpMemberDecorate %Globals 0 Offset 0
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OpMemberDecorate %Globals 0 Offset 16
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; CHECK: OpMemberDecorate %Globals 1 Offset 32
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OpMemberDecorate %Globals 1 Offset 128
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OpDecorate %Globals Block
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OpDecorate %_ DescriptorSet 0
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OpDecorate %_ Binding 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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%uint = OpTypeInt 32 0
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%uint_2 = OpConstant %uint 2
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%_arr_float_uint_2 = OpTypeArray %float %uint_2
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%_arr_float_uint_2_0 = OpTypeArray %float %uint_2
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%Globals = OpTypeStruct %_arr_float_uint_2 %_arr_float_uint_2_0
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%_ptr_Uniform_Globals = OpTypePointer Uniform %Globals
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%_ = OpVariable %_ptr_Uniform_Globals Uniform
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%main = OpFunction %void None %3
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%5 = OpLabel
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OpReturn
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OpFunctionEnd
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)";
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SinglePassRunAndMatch<StructPackingPass>(
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spirv, true, "Globals", StructPackingPass::PackingRules::Std140);
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}
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TEST_F(StructPackingTest, PackSimpleScalarArrayStd430) {
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// #version 430
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//
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// layout(std430, binding = 0) buffer Globals {
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// layout(offset = 16) float a[2];
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// layout(offset = 128) float b[2]; // Must become offset 8 with std430
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// };
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//
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// void main() {}
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const std::string spirv = R"(
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OpCapability Shader
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %main "main"
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OpExecutionMode %main OriginLowerLeft
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OpSource GLSL 430
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OpName %main "main"
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OpName %Globals "Globals"
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OpMemberName %Globals 0 "a"
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OpMemberName %Globals 1 "b"
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OpName %_ ""
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OpDecorate %_arr_float_uint_2 ArrayStride 4
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OpDecorate %_arr_float_uint_2_0 ArrayStride 4
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; CHECK: OpMemberDecorate %Globals 0 Offset 0
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OpMemberDecorate %Globals 0 Offset 16
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; CHECK: OpMemberDecorate %Globals 1 Offset 8
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OpMemberDecorate %Globals 1 Offset 128
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OpDecorate %Globals BufferBlock
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OpDecorate %_ DescriptorSet 0
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OpDecorate %_ Binding 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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%uint = OpTypeInt 32 0
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%uint_2 = OpConstant %uint 2
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%_arr_float_uint_2 = OpTypeArray %float %uint_2
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%_arr_float_uint_2_0 = OpTypeArray %float %uint_2
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%Globals = OpTypeStruct %_arr_float_uint_2 %_arr_float_uint_2_0
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%_ptr_Uniform_Globals = OpTypePointer Uniform %Globals
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%_ = OpVariable %_ptr_Uniform_Globals Uniform
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%main = OpFunction %void None %3
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%5 = OpLabel
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OpReturn
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OpFunctionEnd
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)";
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SinglePassRunAndMatch<StructPackingPass>(
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spirv, true, "Globals", StructPackingPass::PackingRules::Std430);
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}
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} // namespace
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} // namespace opt
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} // namespace spvtools
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