| // Copyright 2017 The Dawn 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 <gtest/gtest.h> |
| |
| #include "dawn_native/PerStage.h" |
| |
| using namespace dawn_native; |
| |
| // Tests for StageBit |
| TEST(PerStage, StageBit) { |
| ASSERT_EQ(StageBit(SingleShaderStage::Vertex), wgpu::ShaderStage::Vertex); |
| ASSERT_EQ(StageBit(SingleShaderStage::Fragment), wgpu::ShaderStage::Fragment); |
| ASSERT_EQ(StageBit(SingleShaderStage::Compute), wgpu::ShaderStage::Compute); |
| } |
| |
| // Basic test for the PerStage container |
| TEST(PerStage, PerStage) { |
| PerStage<int> data; |
| |
| // Store data using wgpu::ShaderStage |
| data[SingleShaderStage::Vertex] = 42; |
| data[SingleShaderStage::Fragment] = 3; |
| data[SingleShaderStage::Compute] = -1; |
| |
| // Load it using wgpu::ShaderStage |
| ASSERT_EQ(data[wgpu::ShaderStage::Vertex], 42); |
| ASSERT_EQ(data[wgpu::ShaderStage::Fragment], 3); |
| ASSERT_EQ(data[wgpu::ShaderStage::Compute], -1); |
| } |
| |
| // Test IterateStages with kAllStages |
| TEST(PerStage, IterateAllStages) { |
| PerStage<int> counts; |
| counts[SingleShaderStage::Vertex] = 0; |
| counts[SingleShaderStage::Fragment] = 0; |
| counts[SingleShaderStage::Compute] = 0; |
| |
| for (auto stage : IterateStages(kAllStages)) { |
| counts[stage]++; |
| } |
| |
| ASSERT_EQ(counts[wgpu::ShaderStage::Vertex], 1); |
| ASSERT_EQ(counts[wgpu::ShaderStage::Fragment], 1); |
| ASSERT_EQ(counts[wgpu::ShaderStage::Compute], 1); |
| } |
| |
| // Test IterateStages with one stage |
| TEST(PerStage, IterateOneStage) { |
| PerStage<int> counts; |
| counts[SingleShaderStage::Vertex] = 0; |
| counts[SingleShaderStage::Fragment] = 0; |
| counts[SingleShaderStage::Compute] = 0; |
| |
| for (auto stage : IterateStages(wgpu::ShaderStage::Fragment)) { |
| counts[stage]++; |
| } |
| |
| ASSERT_EQ(counts[wgpu::ShaderStage::Vertex], 0); |
| ASSERT_EQ(counts[wgpu::ShaderStage::Fragment], 1); |
| ASSERT_EQ(counts[wgpu::ShaderStage::Compute], 0); |
| } |
| |
| // Test IterateStages with no stage |
| TEST(PerStage, IterateNoStages) { |
| PerStage<int> counts; |
| counts[SingleShaderStage::Vertex] = 0; |
| counts[SingleShaderStage::Fragment] = 0; |
| counts[SingleShaderStage::Compute] = 0; |
| |
| for (auto stage : IterateStages(wgpu::ShaderStage::Fragment & wgpu::ShaderStage::Vertex)) { |
| counts[stage]++; |
| } |
| |
| ASSERT_EQ(counts[wgpu::ShaderStage::Vertex], 0); |
| ASSERT_EQ(counts[wgpu::ShaderStage::Fragment], 0); |
| ASSERT_EQ(counts[wgpu::ShaderStage::Compute], 0); |
| } |