mirror of
https://github.com/encounter/dawn-cmake.git
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564000fdd3
The following deprecated features are no longer supported: - frag_coord builtin - sample_mask_in and sample_mask_out builtins - void keyword - const keyword Fixed: tint:677 Fixed: tint:699 Fixed: tint:714 Fixed: tint:715 Change-Id: I40ce9711310e70e62465f58f2a7f4d959039e307 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/52041 Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: James Price <jrprice@google.com> Reviewed-by: Ben Clayton <bclayton@google.com>
763 lines
24 KiB
C++
763 lines
24 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/ast/override_decoration.h"
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#include "src/ast/stage_decoration.h"
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#include "src/ast/struct_block_decoration.h"
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#include "src/writer/spirv/spv_dump.h"
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#include "src/writer/spirv/test_helper.h"
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namespace tint {
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namespace writer {
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namespace spirv {
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namespace {
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using BuilderTest = TestHelper;
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TEST_F(BuilderTest, GlobalVar_WithStorageClass) {
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auto* v = Global("var", ty.f32(), ast::StorageClass::kOutput);
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spirv::Builder& b = Build();
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EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error();
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EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %1 "var"
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)");
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EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeFloat 32
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%2 = OpTypePointer Output %3
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%4 = OpConstantNull %3
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%1 = OpVariable %2 Output %4
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)");
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}
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TEST_F(BuilderTest, GlobalVar_WithStorageClass_Input) {
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auto* v = Global("var", ty.f32(), ast::StorageClass::kInput);
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spirv::Builder& b = Build();
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EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error();
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EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %1 "var"
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)");
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EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeFloat 32
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%2 = OpTypePointer Input %3
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%1 = OpVariable %2 Input
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)");
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}
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TEST_F(BuilderTest, GlobalVar_WithConstructor) {
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auto* init = vec3<f32>(1.f, 1.f, 3.f);
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auto* v = Global("var", ty.vec3<f32>(), ast::StorageClass::kOutput, init);
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spirv::Builder& b = Build();
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EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error();
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ASSERT_FALSE(b.has_error()) << b.error();
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EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %6 "var"
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)");
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EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeFloat 32
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%1 = OpTypeVector %2 3
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%3 = OpConstant %2 1
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%4 = OpConstant %2 3
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%5 = OpConstantComposite %1 %3 %3 %4
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%7 = OpTypePointer Output %1
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%6 = OpVariable %7 Output %5
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)");
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}
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TEST_F(BuilderTest, GlobalVar_Const) {
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auto* init = vec3<f32>(1.f, 1.f, 3.f);
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auto* v = GlobalConst("var", ty.vec3<f32>(), init);
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spirv::Builder& b = Build();
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EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error();
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ASSERT_FALSE(b.has_error()) << b.error();
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EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %5 "var"
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)");
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EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeFloat 32
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%1 = OpTypeVector %2 3
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%3 = OpConstant %2 1
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%4 = OpConstant %2 3
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%5 = OpConstantComposite %1 %3 %3 %4
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)");
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}
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TEST_F(BuilderTest, GlobalVar_Complex_Constructor) {
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auto* init = vec3<f32>(ast::ExpressionList{Expr(1.f), Expr(2.f), Expr(3.f)});
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auto* v = GlobalConst("var", ty.vec3<f32>(), init);
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spirv::Builder& b = Build();
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EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error();
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ASSERT_FALSE(b.has_error()) << b.error();
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EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeFloat 32
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%1 = OpTypeVector %2 3
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%3 = OpConstant %2 1
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%4 = OpConstant %2 2
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%5 = OpConstant %2 3
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%6 = OpConstantComposite %1 %3 %4 %5
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)");
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}
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TEST_F(BuilderTest, GlobalVar_Complex_ConstructorWithExtract) {
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auto* init = vec3<f32>(vec2<f32>(1.f, 2.f), 3.f);
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auto* v = GlobalConst("var", ty.vec3<f32>(), init);
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spirv::Builder& b = Build();
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EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error();
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ASSERT_FALSE(b.has_error()) << b.error();
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EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeFloat 32
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%1 = OpTypeVector %2 3
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%3 = OpTypeVector %2 2
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%4 = OpConstant %2 1
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%5 = OpConstant %2 2
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%6 = OpConstantComposite %3 %4 %5
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%8 = OpTypeInt 32 0
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%9 = OpConstant %8 0
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%7 = OpSpecConstantOp %2 CompositeExtract %6 9
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%11 = OpConstant %8 1
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%10 = OpSpecConstantOp %2 CompositeExtract %6 11
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%12 = OpConstant %2 3
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%13 = OpSpecConstantComposite %1 %7 %10 %12
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)");
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}
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TEST_F(BuilderTest, GlobalVar_WithLocation) {
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auto* v = Global("var", ty.f32(), ast::StorageClass::kOutput, nullptr,
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ast::DecorationList{
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Location(5),
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});
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spirv::Builder& b = Build();
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EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error();
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EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %1 "var"
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)");
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EXPECT_EQ(DumpInstructions(b.annots()), R"(OpDecorate %1 Location 5
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)");
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EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeFloat 32
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%2 = OpTypePointer Output %3
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%4 = OpConstantNull %3
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%1 = OpVariable %2 Output %4
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)");
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}
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TEST_F(BuilderTest, GlobalVar_WithBindingAndGroup) {
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auto* v = Global("var", ty.sampler(ast::SamplerKind::kSampler),
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ast::StorageClass::kNone, nullptr,
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ast::DecorationList{
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create<ast::BindingDecoration>(2),
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create<ast::GroupDecoration>(3),
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});
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spirv::Builder& b = Build();
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EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error();
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EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %1 "var"
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)");
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EXPECT_EQ(DumpInstructions(b.annots()), R"(OpDecorate %1 Binding 2
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OpDecorate %1 DescriptorSet 3
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)");
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EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeSampler
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%2 = OpTypePointer UniformConstant %3
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%1 = OpVariable %2 UniformConstant
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)");
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}
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TEST_F(BuilderTest, GlobalVar_WithBuiltin) {
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auto* v = Global("var", ty.f32(), ast::StorageClass::kOutput, nullptr,
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ast::DecorationList{
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Builtin(ast::Builtin::kPosition),
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});
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spirv::Builder& b = Build();
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EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error();
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EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %1 "var"
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)");
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EXPECT_EQ(DumpInstructions(b.annots()), R"(OpDecorate %1 BuiltIn Position
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)");
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EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeFloat 32
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%2 = OpTypePointer Output %3
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%4 = OpConstantNull %3
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%1 = OpVariable %2 Output %4
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)");
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}
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TEST_F(BuilderTest, GlobalVar_Override_Bool) {
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auto* v = GlobalConst("var", ty.bool_(), Expr(true),
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ast::DecorationList{
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create<ast::OverrideDecoration>(1200),
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});
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spirv::Builder& b = Build();
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EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error();
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EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %2 "var"
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)");
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EXPECT_EQ(DumpInstructions(b.annots()), R"(OpDecorate %2 SpecId 1200
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)");
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EXPECT_EQ(DumpInstructions(b.types()), R"(%1 = OpTypeBool
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%2 = OpSpecConstantTrue %1
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)");
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}
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TEST_F(BuilderTest, GlobalVar_Override_Bool_NoConstructor) {
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auto* v = GlobalConst("var", ty.bool_(), nullptr,
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ast::DecorationList{
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create<ast::OverrideDecoration>(1200),
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});
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spirv::Builder& b = Build();
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EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error();
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EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %2 "var"
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)");
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EXPECT_EQ(DumpInstructions(b.annots()), R"(OpDecorate %2 SpecId 1200
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)");
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EXPECT_EQ(DumpInstructions(b.types()), R"(%1 = OpTypeBool
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%2 = OpSpecConstantFalse %1
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)");
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}
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TEST_F(BuilderTest, GlobalVar_Override_Scalar) {
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auto* v = GlobalConst("var", ty.f32(), Expr(2.f),
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ast::DecorationList{
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create<ast::OverrideDecoration>(0),
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});
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spirv::Builder& b = Build();
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EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error();
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EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %2 "var"
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)");
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EXPECT_EQ(DumpInstructions(b.annots()), R"(OpDecorate %2 SpecId 0
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)");
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EXPECT_EQ(DumpInstructions(b.types()), R"(%1 = OpTypeFloat 32
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%2 = OpSpecConstant %1 2
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)");
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}
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TEST_F(BuilderTest, GlobalVar_Override_Scalar_F32_NoConstructor) {
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auto* v = GlobalConst("var", ty.f32(), nullptr,
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ast::DecorationList{
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create<ast::OverrideDecoration>(0),
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});
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spirv::Builder& b = Build();
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EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error();
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EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %2 "var"
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)");
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EXPECT_EQ(DumpInstructions(b.annots()), R"(OpDecorate %2 SpecId 0
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)");
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EXPECT_EQ(DumpInstructions(b.types()), R"(%1 = OpTypeFloat 32
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%2 = OpSpecConstant %1 0
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)");
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}
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TEST_F(BuilderTest, GlobalVar_Override_Scalar_I32_NoConstructor) {
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auto* v = GlobalConst("var", ty.i32(), nullptr,
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ast::DecorationList{
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create<ast::OverrideDecoration>(0),
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});
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spirv::Builder& b = Build();
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EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error();
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EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %2 "var"
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)");
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EXPECT_EQ(DumpInstructions(b.annots()), R"(OpDecorate %2 SpecId 0
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)");
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EXPECT_EQ(DumpInstructions(b.types()), R"(%1 = OpTypeInt 32 1
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%2 = OpSpecConstant %1 0
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)");
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}
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TEST_F(BuilderTest, GlobalVar_Override_Scalar_U32_NoConstructor) {
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auto* v = GlobalConst("var", ty.u32(), nullptr,
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ast::DecorationList{
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create<ast::OverrideDecoration>(0),
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});
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spirv::Builder& b = Build();
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EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error();
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EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %2 "var"
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)");
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EXPECT_EQ(DumpInstructions(b.annots()), R"(OpDecorate %2 SpecId 0
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)");
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EXPECT_EQ(DumpInstructions(b.types()), R"(%1 = OpTypeInt 32 0
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%2 = OpSpecConstant %1 0
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)");
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}
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TEST_F(BuilderTest, GlobalVar_Override_NoId) {
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auto* var_a = GlobalConst("a", ty.bool_(), Expr(true),
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ast::DecorationList{
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create<ast::OverrideDecoration>(0),
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});
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auto* var_b = GlobalConst("b", ty.bool_(), Expr(false),
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ast::DecorationList{
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create<ast::OverrideDecoration>(),
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});
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spirv::Builder& b = Build();
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EXPECT_TRUE(b.GenerateGlobalVariable(var_a)) << b.error();
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EXPECT_TRUE(b.GenerateGlobalVariable(var_b)) << b.error();
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EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %2 "a"
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OpName %3 "b"
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)");
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EXPECT_EQ(DumpInstructions(b.annots()), R"(OpDecorate %2 SpecId 0
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OpDecorate %3 SpecId 1
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)");
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EXPECT_EQ(DumpInstructions(b.types()), R"(%1 = OpTypeBool
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%2 = OpSpecConstantTrue %1
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%3 = OpSpecConstantFalse %1
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)");
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}
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struct BuiltinData {
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ast::Builtin builtin;
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ast::StorageClass storage;
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SpvBuiltIn result;
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};
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inline std::ostream& operator<<(std::ostream& out, BuiltinData data) {
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out << data.builtin;
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return out;
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}
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using BuiltinDataTest = TestParamHelper<BuiltinData>;
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TEST_P(BuiltinDataTest, Convert) {
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auto params = GetParam();
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spirv::Builder& b = Build();
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EXPECT_EQ(b.ConvertBuiltin(params.builtin, params.storage), params.result);
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}
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INSTANTIATE_TEST_SUITE_P(
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BuilderTest_Type,
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BuiltinDataTest,
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testing::Values(
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BuiltinData{ast::Builtin::kNone, ast::StorageClass::kNone,
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SpvBuiltInMax},
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BuiltinData{ast::Builtin::kPosition, ast::StorageClass::kInput,
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SpvBuiltInFragCoord},
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BuiltinData{ast::Builtin::kPosition, ast::StorageClass::kOutput,
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SpvBuiltInPosition},
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BuiltinData{
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ast::Builtin::kVertexIndex,
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ast::StorageClass::kInput,
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SpvBuiltInVertexIndex,
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},
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BuiltinData{ast::Builtin::kInstanceIndex, ast::StorageClass::kInput,
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SpvBuiltInInstanceIndex},
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BuiltinData{ast::Builtin::kFrontFacing, ast::StorageClass::kInput,
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SpvBuiltInFrontFacing},
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BuiltinData{ast::Builtin::kFragDepth, ast::StorageClass::kOutput,
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SpvBuiltInFragDepth},
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BuiltinData{ast::Builtin::kLocalInvocationId, ast::StorageClass::kInput,
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SpvBuiltInLocalInvocationId},
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BuiltinData{ast::Builtin::kLocalInvocationIndex,
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ast::StorageClass::kInput, SpvBuiltInLocalInvocationIndex},
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BuiltinData{ast::Builtin::kGlobalInvocationId,
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ast::StorageClass::kInput, SpvBuiltInGlobalInvocationId},
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BuiltinData{ast::Builtin::kWorkgroupId, ast::StorageClass::kInput,
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SpvBuiltInWorkgroupId},
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BuiltinData{ast::Builtin::kSampleIndex, ast::StorageClass::kInput,
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SpvBuiltInSampleId},
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BuiltinData{ast::Builtin::kSampleMask, ast::StorageClass::kInput,
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SpvBuiltInSampleMask},
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BuiltinData{ast::Builtin::kSampleMask, ast::StorageClass::kOutput,
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SpvBuiltInSampleMask}));
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TEST_F(BuilderTest, GlobalVar_DeclReadOnly) {
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// struct A {
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// a : i32;
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// };
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// var b : [[access(read)]] A
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auto* A = Structure("A",
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{
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Member("a", ty.i32()),
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Member("b", ty.i32()),
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},
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{create<ast::StructBlockDecoration>()});
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auto* ac = ty.access(ast::AccessControl::kReadOnly, A);
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auto* var = Global("b", ac, ast::StorageClass::kStorage, nullptr,
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{
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create<ast::BindingDecoration>(0),
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create<ast::GroupDecoration>(0),
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});
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spirv::Builder& b = Build();
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EXPECT_TRUE(b.GenerateGlobalVariable(var)) << b.error();
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EXPECT_EQ(DumpInstructions(b.annots()), R"(OpDecorate %3 Block
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OpMemberDecorate %3 0 Offset 0
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OpMemberDecorate %3 1 Offset 4
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OpDecorate %1 NonWritable
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OpDecorate %1 Binding 0
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OpDecorate %1 DescriptorSet 0
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)");
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EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %3 "A"
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OpMemberName %3 0 "a"
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OpMemberName %3 1 "b"
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OpName %1 "b"
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)");
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EXPECT_EQ(DumpInstructions(b.types()), R"(%4 = OpTypeInt 32 1
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%3 = OpTypeStruct %4 %4
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%2 = OpTypePointer StorageBuffer %3
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%1 = OpVariable %2 StorageBuffer
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)");
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}
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TEST_F(BuilderTest, GlobalVar_TypeAliasDeclReadOnly) {
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// struct A {
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// a : i32;
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// };
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// type B = A;
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// var b : [[access(read)]] B
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auto* A = Structure("A", {Member("a", ty.i32())},
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{create<ast::StructBlockDecoration>()});
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auto* B = ty.alias("B", A);
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AST().AddConstructedType(B);
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auto* ac = ty.access(ast::AccessControl::kReadOnly, B);
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auto* var = Global("b", ac, ast::StorageClass::kStorage, nullptr,
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{
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create<ast::BindingDecoration>(0),
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create<ast::GroupDecoration>(0),
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});
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spirv::Builder& b = Build();
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EXPECT_TRUE(b.GenerateGlobalVariable(var)) << b.error();
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EXPECT_EQ(DumpInstructions(b.annots()), R"(OpDecorate %3 Block
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OpMemberDecorate %3 0 Offset 0
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OpDecorate %1 NonWritable
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OpDecorate %1 Binding 0
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OpDecorate %1 DescriptorSet 0
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)");
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EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %3 "A"
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OpMemberName %3 0 "a"
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OpName %1 "b"
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)");
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EXPECT_EQ(DumpInstructions(b.types()), R"(%4 = OpTypeInt 32 1
|
|
%3 = OpTypeStruct %4
|
|
%2 = OpTypePointer StorageBuffer %3
|
|
%1 = OpVariable %2 StorageBuffer
|
|
)");
|
|
}
|
|
|
|
TEST_F(BuilderTest, GlobalVar_TypeAliasAssignReadOnly) {
|
|
// struct A {
|
|
// a : i32;
|
|
// };
|
|
// type B = [[access(read)]] A;
|
|
// var b : B
|
|
|
|
auto* A = Structure("A", {Member("a", ty.i32())},
|
|
{create<ast::StructBlockDecoration>()});
|
|
auto* ac = ty.access(ast::AccessControl::kReadOnly, A);
|
|
auto* B = ty.alias("B", ac);
|
|
AST().AddConstructedType(B);
|
|
auto* var = Global("b", B, ast::StorageClass::kStorage, nullptr,
|
|
{
|
|
create<ast::BindingDecoration>(0),
|
|
create<ast::GroupDecoration>(0),
|
|
});
|
|
|
|
spirv::Builder& b = Build();
|
|
|
|
EXPECT_TRUE(b.GenerateGlobalVariable(var)) << b.error();
|
|
|
|
EXPECT_EQ(DumpInstructions(b.annots()), R"(OpDecorate %3 Block
|
|
OpMemberDecorate %3 0 Offset 0
|
|
OpDecorate %1 NonWritable
|
|
OpDecorate %1 Binding 0
|
|
OpDecorate %1 DescriptorSet 0
|
|
)");
|
|
EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %3 "A"
|
|
OpMemberName %3 0 "a"
|
|
OpName %1 "b"
|
|
)");
|
|
EXPECT_EQ(DumpInstructions(b.types()), R"(%4 = OpTypeInt 32 1
|
|
%3 = OpTypeStruct %4
|
|
%2 = OpTypePointer StorageBuffer %3
|
|
%1 = OpVariable %2 StorageBuffer
|
|
)");
|
|
}
|
|
|
|
TEST_F(BuilderTest, GlobalVar_TwoVarDeclReadOnly) {
|
|
// struct A {
|
|
// a : i32;
|
|
// };
|
|
// var b : [[access(read)]] A
|
|
// var c : [[access(read_write)]] A
|
|
|
|
auto* A = Structure("A", {Member("a", ty.i32())},
|
|
{create<ast::StructBlockDecoration>()});
|
|
auto* read = ty.access(ast::AccessControl::kReadOnly, A);
|
|
auto* rw = ty.access(ast::AccessControl::kReadWrite, A);
|
|
|
|
auto* var_b = Global("b", read, ast::StorageClass::kStorage, nullptr,
|
|
{
|
|
create<ast::GroupDecoration>(0),
|
|
create<ast::BindingDecoration>(0),
|
|
});
|
|
auto* var_c = Global("c", rw, ast::StorageClass::kStorage, nullptr,
|
|
{
|
|
create<ast::GroupDecoration>(1),
|
|
create<ast::BindingDecoration>(0),
|
|
});
|
|
|
|
spirv::Builder& b = Build();
|
|
|
|
EXPECT_TRUE(b.GenerateGlobalVariable(var_b)) << b.error();
|
|
EXPECT_TRUE(b.GenerateGlobalVariable(var_c)) << b.error();
|
|
|
|
EXPECT_EQ(DumpInstructions(b.annots()),
|
|
R"(OpDecorate %3 Block
|
|
OpMemberDecorate %3 0 Offset 0
|
|
OpDecorate %1 NonWritable
|
|
OpDecorate %1 DescriptorSet 0
|
|
OpDecorate %1 Binding 0
|
|
OpDecorate %5 DescriptorSet 1
|
|
OpDecorate %5 Binding 0
|
|
)");
|
|
EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %3 "A"
|
|
OpMemberName %3 0 "a"
|
|
OpName %1 "b"
|
|
OpName %5 "c"
|
|
)");
|
|
EXPECT_EQ(DumpInstructions(b.types()), R"(%4 = OpTypeInt 32 1
|
|
%3 = OpTypeStruct %4
|
|
%2 = OpTypePointer StorageBuffer %3
|
|
%1 = OpVariable %2 StorageBuffer
|
|
%5 = OpVariable %2 StorageBuffer
|
|
)");
|
|
}
|
|
|
|
TEST_F(BuilderTest, GlobalVar_TextureStorageReadOnly) {
|
|
// var<uniform_constant> a : [[access(read)]] texture_storage_2d<r32uint>;
|
|
|
|
auto* type = ty.storage_texture(ast::TextureDimension::k2d,
|
|
ast::ImageFormat::kR32Uint);
|
|
|
|
auto* ac = ty.access(ast::AccessControl::kReadOnly, type);
|
|
|
|
auto* var_a = Global("a", ac, ast::StorageClass::kNone, nullptr,
|
|
{
|
|
create<ast::BindingDecoration>(0),
|
|
create<ast::GroupDecoration>(0),
|
|
});
|
|
|
|
spirv::Builder& b = Build();
|
|
|
|
EXPECT_TRUE(b.GenerateGlobalVariable(var_a)) << b.error();
|
|
|
|
EXPECT_EQ(DumpInstructions(b.annots()), R"(OpDecorate %1 NonWritable
|
|
OpDecorate %1 Binding 0
|
|
OpDecorate %1 DescriptorSet 0
|
|
)");
|
|
EXPECT_EQ(DumpInstructions(b.types()), R"(%4 = OpTypeInt 32 0
|
|
%3 = OpTypeImage %4 2D 0 0 0 2 R32ui
|
|
%2 = OpTypePointer UniformConstant %3
|
|
%1 = OpVariable %2 UniformConstant
|
|
)");
|
|
}
|
|
|
|
TEST_F(BuilderTest, GlobalVar_TextureStorageWriteOnly) {
|
|
// var<uniform_constant> a : [[access(write)]] texture_storage_2d<r32uint>;
|
|
|
|
auto* type = ty.storage_texture(ast::TextureDimension::k2d,
|
|
ast::ImageFormat::kR32Uint);
|
|
|
|
auto* ac = ty.access(ast::AccessControl::kWriteOnly, type);
|
|
|
|
auto* var_a = Global("a", ac, ast::StorageClass::kNone, nullptr,
|
|
{
|
|
create<ast::BindingDecoration>(0),
|
|
create<ast::GroupDecoration>(0),
|
|
});
|
|
|
|
spirv::Builder& b = Build();
|
|
|
|
EXPECT_TRUE(b.GenerateGlobalVariable(var_a)) << b.error();
|
|
|
|
EXPECT_EQ(DumpInstructions(b.annots()), R"(OpDecorate %1 NonReadable
|
|
OpDecorate %1 Binding 0
|
|
OpDecorate %1 DescriptorSet 0
|
|
)");
|
|
EXPECT_EQ(DumpInstructions(b.types()), R"(%4 = OpTypeInt 32 0
|
|
%3 = OpTypeImage %4 2D 0 0 0 2 R32ui
|
|
%2 = OpTypePointer UniformConstant %3
|
|
%1 = OpVariable %2 UniformConstant
|
|
)");
|
|
}
|
|
|
|
// Check that multiple texture_storage types with different access modifiers
|
|
// only produces a single OpTypeImage.
|
|
TEST_F(BuilderTest, GlobalVar_TextureStorageWithDifferentAccess) {
|
|
// var<uniform_constant> a : [[access(read)]] texture_storage_2d<r32uint>;
|
|
// var<uniform_constant> b : [[access(write)]] texture_storage_2d<r32uint>;
|
|
|
|
auto* type_a = ty.access(ast::AccessControl::kReadOnly,
|
|
ty.storage_texture(ast::TextureDimension::k2d,
|
|
ast::ImageFormat::kR32Uint));
|
|
auto* var_a = Global("a", type_a, ast::StorageClass::kNone, nullptr,
|
|
{
|
|
create<ast::BindingDecoration>(0),
|
|
create<ast::GroupDecoration>(0),
|
|
});
|
|
|
|
auto* type_b = ty.access(ast::AccessControl::kWriteOnly,
|
|
ty.storage_texture(ast::TextureDimension::k2d,
|
|
ast::ImageFormat::kR32Uint));
|
|
auto* var_b = Global("b", type_b, ast::StorageClass::kNone, nullptr,
|
|
{
|
|
create<ast::BindingDecoration>(1),
|
|
create<ast::GroupDecoration>(0),
|
|
});
|
|
|
|
spirv::Builder& b = Build();
|
|
|
|
EXPECT_TRUE(b.GenerateGlobalVariable(var_a)) << b.error();
|
|
EXPECT_TRUE(b.GenerateGlobalVariable(var_b)) << b.error();
|
|
|
|
EXPECT_EQ(DumpInstructions(b.annots()), R"(OpDecorate %1 NonWritable
|
|
OpDecorate %1 Binding 0
|
|
OpDecorate %1 DescriptorSet 0
|
|
OpDecorate %5 NonReadable
|
|
OpDecorate %5 Binding 1
|
|
OpDecorate %5 DescriptorSet 0
|
|
)");
|
|
// There must only be one OpTypeImage declaration with the same
|
|
// arguments
|
|
EXPECT_EQ(DumpInstructions(b.types()), R"(%4 = OpTypeInt 32 0
|
|
%3 = OpTypeImage %4 2D 0 0 0 2 R32ui
|
|
%2 = OpTypePointer UniformConstant %3
|
|
%1 = OpVariable %2 UniformConstant
|
|
%6 = OpTypePointer UniformConstant %3
|
|
%5 = OpVariable %6 UniformConstant
|
|
)");
|
|
}
|
|
|
|
TEST_F(BuilderTest, SampleIndex) {
|
|
auto* var =
|
|
Global("sample_index", ty.u32(), ast::StorageClass::kInput, nullptr,
|
|
ast::DecorationList{
|
|
Builtin(ast::Builtin::kSampleIndex),
|
|
});
|
|
|
|
spirv::Builder& b = Build();
|
|
|
|
EXPECT_TRUE(b.GenerateGlobalVariable(var)) << b.error();
|
|
EXPECT_EQ(DumpInstructions(b.capabilities()),
|
|
"OpCapability SampleRateShading\n");
|
|
EXPECT_EQ(DumpInstructions(b.annots()), "OpDecorate %1 BuiltIn SampleId\n");
|
|
EXPECT_EQ(DumpInstructions(b.types()),
|
|
"%3 = OpTypeInt 32 0\n"
|
|
"%2 = OpTypePointer Input %3\n"
|
|
"%1 = OpVariable %2 Input\n");
|
|
}
|
|
|
|
TEST_F(BuilderTest, SampleMask) {
|
|
// Input:
|
|
// [[builtin(sample_mask)]] var<in> mask_in : u32;
|
|
// [[builtin(sample_mask)]] var<out> mask_out : u32;
|
|
// [[stage(fragment)]]
|
|
// fn main() {
|
|
// mask_out = mask_in;
|
|
// }
|
|
|
|
// After sanitization:
|
|
// [[builtin(sample_mask)]] var<in> mask_in : array<u32, 1>;
|
|
// [[builtin(sample_mask)]] var<out> mask_out : array<u32, 1>;
|
|
// [[stage(fragment)]]
|
|
// fn main() {
|
|
// mask_out[0] = mask_in[0];
|
|
// }
|
|
|
|
Global("mask_in", ty.u32(), ast::StorageClass::kInput, nullptr,
|
|
ast::DecorationList{
|
|
Builtin(ast::Builtin::kSampleMask),
|
|
});
|
|
Global("mask_out", ty.u32(), ast::StorageClass::kOutput, nullptr,
|
|
ast::DecorationList{
|
|
Builtin(ast::Builtin::kSampleMask),
|
|
});
|
|
Func("main", ast::VariableList{}, ty.void_(),
|
|
ast::StatementList{
|
|
Assign("mask_out", "mask_in"),
|
|
},
|
|
ast::DecorationList{
|
|
Stage(ast::PipelineStage::kCompute),
|
|
});
|
|
|
|
spirv::Builder& b = SanitizeAndBuild();
|
|
|
|
ASSERT_TRUE(b.Build());
|
|
EXPECT_EQ(DumpBuilder(b), R"(OpCapability Shader
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint GLCompute %11 "main" %6 %1
|
|
OpExecutionMode %11 LocalSize 1 1 1
|
|
OpName %1 "mask_in"
|
|
OpName %6 "mask_out"
|
|
OpName %11 "main"
|
|
OpDecorate %3 ArrayStride 4
|
|
OpDecorate %1 BuiltIn SampleMask
|
|
OpDecorate %6 BuiltIn SampleMask
|
|
%4 = OpTypeInt 32 0
|
|
%5 = OpConstant %4 1
|
|
%3 = OpTypeArray %4 %5
|
|
%2 = OpTypePointer Input %3
|
|
%1 = OpVariable %2 Input
|
|
%7 = OpTypePointer Output %3
|
|
%8 = OpConstantNull %3
|
|
%6 = OpVariable %7 Output %8
|
|
%10 = OpTypeVoid
|
|
%9 = OpTypeFunction %10
|
|
%13 = OpTypeInt 32 1
|
|
%14 = OpConstant %13 0
|
|
%15 = OpTypePointer Output %4
|
|
%17 = OpTypePointer Input %4
|
|
%11 = OpFunction %10 None %9
|
|
%12 = OpLabel
|
|
%16 = OpAccessChain %15 %6 %14
|
|
%18 = OpAccessChain %17 %1 %14
|
|
%19 = OpLoad %4 %18
|
|
OpStore %16 %19
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)");
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace spirv
|
|
} // namespace writer
|
|
} // namespace tint
|