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https://github.com/encounter/dawn-cmake.git
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057b7f326e
Brings the SPIR-V writer in line with other writers. Change-Id: Iaa261150de953b414f966dd004bd48f7315ceb0c Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/131221 Reviewed-by: Dan Sinclair <dsinclair@chromium.org> Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: James Price <jrprice@google.com>
282 lines
7.1 KiB
C++
282 lines
7.1 KiB
C++
// Copyright 2020 The Tint Authors.
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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 "src/tint/ast/stage_attribute.h"
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#include "src/tint/writer/spirv/spv_dump.h"
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#include "src/tint/writer/spirv/test_helper.h"
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using namespace tint::number_suffixes; // NOLINT
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namespace tint::writer::spirv {
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namespace {
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using BuilderTest = TestHelper;
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TEST_F(BuilderTest, Function_Empty) {
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Func("a_func", utils::Empty, ty.void_(), utils::Empty);
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spirv::Builder& b = Build();
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auto* func = program->AST().Functions()[0];
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ASSERT_TRUE(b.GenerateFunction(func));
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EXPECT_EQ(DumpBuilder(b), R"(OpName %3 "a_func"
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%2 = OpTypeVoid
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%1 = OpTypeFunction %2
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%3 = OpFunction %2 None %1
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%4 = OpLabel
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OpReturn
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OpFunctionEnd
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)");
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}
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TEST_F(BuilderTest, Function_Terminator_Return) {
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Func("a_func", utils::Empty, ty.void_(),
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utils::Vector{
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Return(),
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});
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spirv::Builder& b = Build();
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auto* func = program->AST().Functions()[0];
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ASSERT_TRUE(b.GenerateFunction(func));
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EXPECT_EQ(DumpBuilder(b), R"(OpName %3 "a_func"
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%2 = OpTypeVoid
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%1 = OpTypeFunction %2
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%3 = OpFunction %2 None %1
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%4 = OpLabel
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OpReturn
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OpFunctionEnd
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)");
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}
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TEST_F(BuilderTest, Function_Terminator_ReturnValue) {
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GlobalVar("a", ty.f32(), builtin::AddressSpace::kPrivate);
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Func("a_func", utils::Empty, ty.f32(), utils::Vector{Return("a")}, utils::Empty);
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spirv::Builder& b = Build();
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auto* var_a = program->AST().GlobalVariables()[0];
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auto* func = program->AST().Functions()[0];
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ASSERT_TRUE(b.GenerateGlobalVariable(var_a)) << b.Diagnostics();
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ASSERT_TRUE(b.GenerateFunction(func)) << b.Diagnostics();
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EXPECT_EQ(DumpBuilder(b), R"(OpName %1 "a"
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OpName %6 "a_func"
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%3 = OpTypeFloat 32
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%2 = OpTypePointer Private %3
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%4 = OpConstantNull %3
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%1 = OpVariable %2 Private %4
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%5 = OpTypeFunction %3
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%6 = OpFunction %3 None %5
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%7 = OpLabel
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%8 = OpLoad %3 %1
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OpReturnValue %8
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OpFunctionEnd
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)");
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}
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TEST_F(BuilderTest, Function_Terminator_Discard) {
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Func("a_func", utils::Empty, ty.void_(),
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utils::Vector{
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Discard(),
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});
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spirv::Builder& b = Build();
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auto* func = program->AST().Functions()[0];
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ASSERT_TRUE(b.GenerateFunction(func));
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EXPECT_EQ(DumpBuilder(b), R"(OpName %3 "a_func"
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%2 = OpTypeVoid
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%1 = OpTypeFunction %2
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%3 = OpFunction %2 None %1
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%4 = OpLabel
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OpKill
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OpFunctionEnd
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)");
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}
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TEST_F(BuilderTest, Function_WithParams) {
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Func("a_func",
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utils::Vector{
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Param("a", ty.f32()),
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Param("b", ty.i32()),
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},
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ty.f32(), utils::Vector{Return("a")}, utils::Empty);
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spirv::Builder& b = Build();
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auto* func = program->AST().Functions()[0];
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ASSERT_TRUE(b.GenerateFunction(func));
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EXPECT_EQ(DumpBuilder(b), R"(OpName %4 "a_func"
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OpName %5 "a"
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OpName %6 "b"
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%2 = OpTypeFloat 32
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%3 = OpTypeInt 32 1
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%1 = OpTypeFunction %2 %2 %3
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%4 = OpFunction %2 None %1
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%5 = OpFunctionParameter %2
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%6 = OpFunctionParameter %3
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%7 = OpLabel
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OpReturnValue %5
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OpFunctionEnd
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)") << DumpBuilder(b);
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}
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TEST_F(BuilderTest, Function_WithBody) {
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Func("a_func", utils::Empty, ty.void_(),
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utils::Vector{
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Return(),
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});
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spirv::Builder& b = Build();
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auto* func = program->AST().Functions()[0];
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ASSERT_TRUE(b.GenerateFunction(func));
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EXPECT_EQ(DumpBuilder(b), R"(OpName %3 "a_func"
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%2 = OpTypeVoid
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%1 = OpTypeFunction %2
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%3 = OpFunction %2 None %1
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%4 = OpLabel
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OpReturn
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OpFunctionEnd
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)");
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}
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TEST_F(BuilderTest, FunctionType) {
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Func("a_func", utils::Empty, ty.void_(), utils::Empty, utils::Empty);
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spirv::Builder& b = Build();
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auto* func = program->AST().Functions()[0];
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ASSERT_TRUE(b.GenerateFunction(func));
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EXPECT_EQ(DumpInstructions(b.Module().Types()), R"(%2 = OpTypeVoid
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%1 = OpTypeFunction %2
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)");
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}
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TEST_F(BuilderTest, FunctionType_DeDuplicate) {
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auto* func1 = Func("a_func", utils::Empty, ty.void_(), utils::Empty, utils::Empty);
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auto* func2 = Func("b_func", utils::Empty, ty.void_(), utils::Empty, utils::Empty);
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spirv::Builder& b = Build();
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ASSERT_TRUE(b.GenerateFunction(func1));
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ASSERT_TRUE(b.GenerateFunction(func2));
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EXPECT_EQ(DumpInstructions(b.Module().Types()), R"(%2 = OpTypeVoid
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%1 = OpTypeFunction %2
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)");
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}
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// https://crbug.com/tint/297
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TEST_F(BuilderTest, Emit_Multiple_EntryPoint_With_Same_ModuleVar) {
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// struct Data {
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// d : f32;
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// };
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// @binding(0) @group(0) var<storage> data : Data;
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//
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// @compute @workgroup_size(1)
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// fn a() {
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// return;
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// }
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//
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// @compute @workgroup_size(1)
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// fn b() {
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// return;
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// }
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auto* s = Structure("Data", utils::Vector{Member("d", ty.f32())});
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GlobalVar("data", ty.Of(s), builtin::AddressSpace::kStorage, builtin::Access::kReadWrite,
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Binding(0_a), Group(0_a));
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{
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auto* var = Var("v", ty.f32(), MemberAccessor("data", "d"));
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Func("a", utils::Empty, ty.void_(),
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utils::Vector{
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Decl(var),
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Return(),
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},
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utils::Vector{Stage(ast::PipelineStage::kCompute), WorkgroupSize(1_i)});
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}
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{
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auto* var = Var("v", ty.f32(), MemberAccessor("data", "d"));
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Func("b", utils::Empty, ty.void_(),
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utils::Vector{
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Decl(var),
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Return(),
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},
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utils::Vector{Stage(ast::PipelineStage::kCompute), WorkgroupSize(1_i)});
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}
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spirv::Builder& b = SanitizeAndBuild();
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ASSERT_TRUE(b.Build());
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EXPECT_EQ(DumpBuilder(b), R"(OpCapability Shader
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OpMemoryModel Logical GLSL450
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OpEntryPoint GLCompute %8 "a"
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OpEntryPoint GLCompute %18 "b"
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OpExecutionMode %8 LocalSize 1 1 1
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OpExecutionMode %18 LocalSize 1 1 1
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OpName %3 "data_block"
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OpMemberName %3 0 "inner"
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OpName %4 "Data"
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OpMemberName %4 0 "d"
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OpName %1 "data"
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OpName %8 "a"
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OpName %15 "v"
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OpName %18 "b"
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OpName %22 "v"
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OpDecorate %3 Block
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OpMemberDecorate %3 0 Offset 0
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OpMemberDecorate %4 0 Offset 0
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OpDecorate %1 Binding 0
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OpDecorate %1 DescriptorSet 0
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%5 = OpTypeFloat 32
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%4 = OpTypeStruct %5
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%3 = OpTypeStruct %4
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%2 = OpTypePointer StorageBuffer %3
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%1 = OpVariable %2 StorageBuffer
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%7 = OpTypeVoid
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%6 = OpTypeFunction %7
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%10 = OpTypeInt 32 0
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%11 = OpConstant %10 0
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%12 = OpTypePointer StorageBuffer %5
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%16 = OpTypePointer Function %5
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%17 = OpConstantNull %5
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%8 = OpFunction %7 None %6
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%9 = OpLabel
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%15 = OpVariable %16 Function %17
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%13 = OpAccessChain %12 %1 %11 %11
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%14 = OpLoad %5 %13
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OpStore %15 %14
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OpReturn
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OpFunctionEnd
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%18 = OpFunction %7 None %6
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%19 = OpLabel
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%22 = OpVariable %16 Function %17
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%20 = OpAccessChain %12 %1 %11 %11
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%21 = OpLoad %5 %20
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OpStore %22 %21
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OpReturn
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OpFunctionEnd
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)");
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}
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} // namespace
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} // namespace tint::writer::spirv
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