| // Copyright 2023 The Tint Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "src/tint/lang/core/ir/transform/binding_remapper.h" |
| |
| #include <utility> |
| |
| #include "src/tint/lang/core/ir/transform/helper_test.h" |
| |
| namespace tint::ir::transform { |
| namespace { |
| |
| using namespace tint::core::fluent_types; // NOLINT |
| using namespace tint::core::number_suffixes; // NOLINT |
| |
| using IR_BindingRemapperTest = TransformTest; |
| |
| TEST_F(IR_BindingRemapperTest, NoModify_NoRemappings) { |
| auto* buffer = b.Var("buffer", ty.ptr<uniform, i32>()); |
| buffer->SetBindingPoint(0, 0); |
| b.RootBlock()->Append(buffer); |
| |
| auto* src = R"( |
| %b1 = block { # root |
| %buffer:ptr<uniform, i32, read_write> = var @binding_point(0, 0) |
| } |
| |
| )"; |
| EXPECT_EQ(src, str()); |
| |
| auto* expect = src; |
| |
| BindingRemapperOptions options; |
| Run(BindingRemapper, options); |
| |
| EXPECT_EQ(expect, str()); |
| } |
| |
| TEST_F(IR_BindingRemapperTest, NoModify_RemappingDifferentBindingPoint) { |
| auto* buffer = b.Var("buffer", ty.ptr<uniform, i32>()); |
| buffer->SetBindingPoint(0, 0); |
| b.RootBlock()->Append(buffer); |
| |
| auto* src = R"( |
| %b1 = block { # root |
| %buffer:ptr<uniform, i32, read_write> = var @binding_point(0, 0) |
| } |
| |
| )"; |
| EXPECT_EQ(src, str()); |
| |
| auto* expect = src; |
| |
| BindingRemapperOptions options; |
| options.binding_points[tint::BindingPoint{0u, 1u}] = tint::BindingPoint{1u, 0u}; |
| Run(BindingRemapper, options); |
| |
| EXPECT_EQ(expect, str()); |
| } |
| |
| TEST_F(IR_BindingRemapperTest, RemappingGroup) { |
| auto* buffer = b.Var("buffer", ty.ptr<uniform, i32>()); |
| buffer->SetBindingPoint(1, 2); |
| b.RootBlock()->Append(buffer); |
| |
| auto* src = R"( |
| %b1 = block { # root |
| %buffer:ptr<uniform, i32, read_write> = var @binding_point(1, 2) |
| } |
| |
| )"; |
| EXPECT_EQ(src, str()); |
| |
| auto* expect = R"( |
| %b1 = block { # root |
| %buffer:ptr<uniform, i32, read_write> = var @binding_point(3, 2) |
| } |
| |
| )"; |
| |
| BindingRemapperOptions options; |
| options.binding_points[tint::BindingPoint{1u, 2u}] = tint::BindingPoint{3u, 2u}; |
| Run(BindingRemapper, options); |
| |
| EXPECT_EQ(expect, str()); |
| } |
| |
| TEST_F(IR_BindingRemapperTest, RemappingBindingIndex) { |
| auto* buffer = b.Var("buffer", ty.ptr<uniform, i32>()); |
| buffer->SetBindingPoint(1, 2); |
| b.RootBlock()->Append(buffer); |
| |
| auto* src = R"( |
| %b1 = block { # root |
| %buffer:ptr<uniform, i32, read_write> = var @binding_point(1, 2) |
| } |
| |
| )"; |
| EXPECT_EQ(src, str()); |
| |
| auto* expect = R"( |
| %b1 = block { # root |
| %buffer:ptr<uniform, i32, read_write> = var @binding_point(1, 3) |
| } |
| |
| )"; |
| |
| BindingRemapperOptions options; |
| options.binding_points[tint::BindingPoint{1u, 2u}] = tint::BindingPoint{1u, 3u}; |
| Run(BindingRemapper, options); |
| |
| EXPECT_EQ(expect, str()); |
| } |
| |
| TEST_F(IR_BindingRemapperTest, RemappingGroupAndBindingIndex) { |
| auto* buffer = b.Var("buffer", ty.ptr<uniform, i32>()); |
| buffer->SetBindingPoint(1, 2); |
| b.RootBlock()->Append(buffer); |
| |
| auto* src = R"( |
| %b1 = block { # root |
| %buffer:ptr<uniform, i32, read_write> = var @binding_point(1, 2) |
| } |
| |
| )"; |
| EXPECT_EQ(src, str()); |
| |
| auto* expect = R"( |
| %b1 = block { # root |
| %buffer:ptr<uniform, i32, read_write> = var @binding_point(3, 4) |
| } |
| |
| )"; |
| |
| BindingRemapperOptions options; |
| options.binding_points[tint::BindingPoint{1u, 2u}] = tint::BindingPoint{3u, 4u}; |
| Run(BindingRemapper, options); |
| |
| EXPECT_EQ(expect, str()); |
| } |
| |
| TEST_F(IR_BindingRemapperTest, SwapTwoBindingPoints) { |
| auto* buffer_a = b.Var("buffer_a", ty.ptr<uniform, i32>()); |
| buffer_a->SetBindingPoint(1, 2); |
| b.RootBlock()->Append(buffer_a); |
| auto* buffer_b = b.Var("buffer_b", ty.ptr<uniform, i32>()); |
| buffer_b->SetBindingPoint(3, 4); |
| b.RootBlock()->Append(buffer_b); |
| |
| auto* src = R"( |
| %b1 = block { # root |
| %buffer_a:ptr<uniform, i32, read_write> = var @binding_point(1, 2) |
| %buffer_b:ptr<uniform, i32, read_write> = var @binding_point(3, 4) |
| } |
| |
| )"; |
| EXPECT_EQ(src, str()); |
| |
| auto* expect = R"( |
| %b1 = block { # root |
| %buffer_a:ptr<uniform, i32, read_write> = var @binding_point(3, 4) |
| %buffer_b:ptr<uniform, i32, read_write> = var @binding_point(1, 2) |
| } |
| |
| )"; |
| |
| BindingRemapperOptions options; |
| options.binding_points[tint::BindingPoint{1u, 2u}] = tint::BindingPoint{3u, 4u}; |
| options.binding_points[tint::BindingPoint{3u, 4u}] = tint::BindingPoint{1u, 2u}; |
| Run(BindingRemapper, options); |
| |
| EXPECT_EQ(expect, str()); |
| } |
| |
| TEST_F(IR_BindingRemapperTest, BindingPointCollisionSameEntryPoint) { |
| auto* buffer_a = b.Var("buffer_a", ty.ptr<uniform, i32>()); |
| buffer_a->SetBindingPoint(1, 2); |
| b.RootBlock()->Append(buffer_a); |
| auto* buffer_b = b.Var("buffer_b", ty.ptr<uniform, i32>()); |
| buffer_b->SetBindingPoint(3, 4); |
| b.RootBlock()->Append(buffer_b); |
| |
| auto* ep = b.Function("main", mod.Types().void_(), Function::PipelineStage::kFragment); |
| b.Append(ep->Block(), [&] { |
| b.Load(buffer_a); |
| b.Load(buffer_b); |
| b.Return(ep); |
| }); |
| |
| auto* src = R"( |
| %b1 = block { # root |
| %buffer_a:ptr<uniform, i32, read_write> = var @binding_point(1, 2) |
| %buffer_b:ptr<uniform, i32, read_write> = var @binding_point(3, 4) |
| } |
| |
| %main = @fragment func():void -> %b2 { |
| %b2 = block { |
| %4:i32 = load %buffer_a |
| %5:i32 = load %buffer_b |
| ret |
| } |
| } |
| )"; |
| EXPECT_EQ(src, str()); |
| |
| auto* expect = R"( |
| %b1 = block { # root |
| %buffer_a:ptr<uniform, i32, read_write> = var @binding_point(0, 1) |
| %buffer_b:ptr<uniform, i32, read_write> = var @binding_point(0, 1) |
| } |
| |
| %main = @fragment func():void -> %b2 { |
| %b2 = block { |
| %4:i32 = load %buffer_a |
| %5:i32 = load %buffer_b |
| ret |
| } |
| } |
| )"; |
| |
| BindingRemapperOptions options; |
| options.binding_points[tint::BindingPoint{1u, 2u}] = tint::BindingPoint{0u, 1u}; |
| options.binding_points[tint::BindingPoint{3u, 4u}] = tint::BindingPoint{0u, 1u}; |
| Run(BindingRemapper, options); |
| |
| EXPECT_EQ(expect, str()); |
| } |
| |
| } // namespace |
| } // namespace tint::ir::transform |