| // Copyright 2021 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 "tests/perf_tests/DawnPerfTest.h" |
| |
| #include "utils/ComboRenderPipelineDescriptor.h" |
| #include "utils/WGPUHelpers.h" |
| |
| struct SubresourceTrackingParams : AdapterTestParam { |
| SubresourceTrackingParams(const AdapterTestParam& param, |
| uint32_t arrayLayerCountIn, |
| uint32_t mipLevelCountIn) |
| : AdapterTestParam(param), |
| arrayLayerCount(arrayLayerCountIn), |
| mipLevelCount(mipLevelCountIn) { |
| } |
| uint32_t arrayLayerCount; |
| uint32_t mipLevelCount; |
| }; |
| |
| std::ostream& operator<<(std::ostream& ostream, const SubresourceTrackingParams& param) { |
| ostream << static_cast<const AdapterTestParam&>(param); |
| ostream << "_arrayLayer_" << param.arrayLayerCount; |
| ostream << "_mipLevel_" << param.mipLevelCount; |
| return ostream; |
| } |
| |
| // Test the performance of Subresource usage and barrier tracking on a case that would generally be |
| // difficult. It uses a 2D array texture with mipmaps and updates one of the layers with data from |
| // another texture, then generates mipmaps for that layer. It is difficult because it requires |
| // tracking the state of individual subresources in the middle of the subresources of that texture. |
| class SubresourceTrackingPerf : public DawnPerfTestWithParams<SubresourceTrackingParams> { |
| public: |
| static constexpr unsigned int kNumIterations = 50; |
| |
| SubresourceTrackingPerf() : DawnPerfTestWithParams(kNumIterations, 1) { |
| } |
| ~SubresourceTrackingPerf() override = default; |
| |
| void SetUp() override { |
| DawnPerfTestWithParams<SubresourceTrackingParams>::SetUp(); |
| const SubresourceTrackingParams& params = GetParam(); |
| |
| wgpu::TextureDescriptor materialDesc; |
| materialDesc.dimension = wgpu::TextureDimension::e2D; |
| materialDesc.size = {1u << (params.mipLevelCount - 1), 1u << (params.mipLevelCount - 1), |
| params.arrayLayerCount}; |
| materialDesc.mipLevelCount = params.mipLevelCount; |
| materialDesc.usage = wgpu::TextureUsage::Sampled | wgpu::TextureUsage::RenderAttachment | |
| wgpu::TextureUsage::CopyDst; |
| materialDesc.format = wgpu::TextureFormat::RGBA8Unorm; |
| mMaterials = device.CreateTexture(&materialDesc); |
| |
| wgpu::TextureDescriptor uploadTexDesc = materialDesc; |
| uploadTexDesc.size.depthOrArrayLayers = 1; |
| uploadTexDesc.mipLevelCount = 1; |
| uploadTexDesc.usage = wgpu::TextureUsage::CopySrc; |
| mUploadTexture = device.CreateTexture(&uploadTexDesc); |
| |
| utils::ComboRenderPipelineDescriptor pipelineDesc; |
| pipelineDesc.vertex.module = utils::CreateShaderModule(device, R"( |
| [[stage(vertex)]] fn main() -> [[builtin(position)]] vec4<f32> { |
| return vec4<f32>(1.0, 0.0, 0.0, 1.0); |
| } |
| )"); |
| pipelineDesc.cFragment.module = utils::CreateShaderModule(device, R"( |
| [[group(0), binding(0)]] var materials : texture_2d<f32>; |
| [[stage(fragment)]] fn main() -> [[location(0)]] vec4<f32> { |
| let foo : vec2<i32> = textureDimensions(materials); |
| return vec4<f32>(1.0, 0.0, 0.0, 1.0); |
| } |
| )"); |
| mPipeline = device.CreateRenderPipeline(&pipelineDesc); |
| } |
| |
| private: |
| void Step() override { |
| const SubresourceTrackingParams& params = GetParam(); |
| |
| uint32_t layerUploaded = params.arrayLayerCount / 2; |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| |
| // Copy into the layer of the material array. |
| { |
| wgpu::ImageCopyTexture sourceView; |
| sourceView.texture = mUploadTexture; |
| |
| wgpu::ImageCopyTexture destView; |
| destView.texture = mMaterials; |
| destView.origin.z = layerUploaded; |
| |
| wgpu::Extent3D copySize = {1u << (params.mipLevelCount - 1), |
| 1u << (params.mipLevelCount - 1), 1}; |
| |
| encoder.CopyTextureToTexture(&sourceView, &destView, ©Size); |
| } |
| |
| // Fake commands that would be used to create the mip levels. |
| for (uint32_t level = 1; level < params.mipLevelCount; level++) { |
| wgpu::TextureViewDescriptor rtViewDesc; |
| rtViewDesc.dimension = wgpu::TextureViewDimension::e2D; |
| rtViewDesc.baseMipLevel = level; |
| rtViewDesc.mipLevelCount = 1; |
| rtViewDesc.baseArrayLayer = layerUploaded; |
| rtViewDesc.arrayLayerCount = 1; |
| wgpu::TextureView rtView = mMaterials.CreateView(&rtViewDesc); |
| |
| wgpu::TextureViewDescriptor sampleViewDesc = rtViewDesc; |
| sampleViewDesc.baseMipLevel = level - 1; |
| wgpu::TextureView sampleView = mMaterials.CreateView(&sampleViewDesc); |
| |
| wgpu::BindGroup bindgroup = |
| utils::MakeBindGroup(device, mPipeline.GetBindGroupLayout(0), {{0, sampleView}}); |
| |
| utils::ComboRenderPassDescriptor renderPass({rtView}); |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass); |
| pass.SetPipeline(mPipeline); |
| pass.SetBindGroup(0, bindgroup); |
| pass.Draw(3); |
| pass.EndPass(); |
| } |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| } |
| |
| wgpu::Texture mUploadTexture; |
| wgpu::Texture mMaterials; |
| wgpu::RenderPipeline mPipeline; |
| }; |
| |
| TEST_P(SubresourceTrackingPerf, Run) { |
| RunTest(); |
| } |
| |
| DAWN_INSTANTIATE_TEST_P(SubresourceTrackingPerf, |
| {D3D12Backend(), MetalBackend(), OpenGLBackend(), VulkanBackend()}, |
| {1, 4, 16, 256}, |
| {2, 3, 8}); |