| // Copyright 2020 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/DawnTest.h" |
| |
| #include "dawn_native/Device.h" |
| #include "dawn_native/Toggles.h" |
| #include "dawn_native/d3d12/BindGroupLayoutD3D12.h" |
| #include "dawn_native/d3d12/DeviceD3D12.h" |
| #include "dawn_native/d3d12/ShaderVisibleDescriptorAllocatorD3D12.h" |
| #include "dawn_native/d3d12/StagingDescriptorAllocatorD3D12.h" |
| #include "utils/ComboRenderPipelineDescriptor.h" |
| #include "utils/WGPUHelpers.h" |
| |
| constexpr uint32_t kRTSize = 4; |
| |
| // Pooling tests are required to advance the GPU completed serial to reuse heaps. |
| // This requires Tick() to be called at-least |kFrameDepth| times. This constant |
| // should be updated if the internals of Tick() change. |
| constexpr uint32_t kFrameDepth = 2; |
| |
| using namespace dawn_native::d3d12; |
| |
| class D3D12DescriptorHeapTests : public DawnTest { |
| protected: |
| void SetUp() override { |
| DawnTest::SetUp(); |
| DAWN_SKIP_TEST_IF(UsesWire()); |
| mD3DDevice = reinterpret_cast<Device*>(device.Get()); |
| |
| mSimpleVSModule = utils::CreateShaderModule(device, utils::SingleShaderStage::Vertex, R"( |
| #version 450 |
| void main() { |
| const vec2 pos[3] = vec2[3](vec2(-1.f, 1.f), vec2(1.f, 1.f), vec2(-1.f, -1.f)); |
| gl_Position = vec4(pos[gl_VertexIndex], 0.f, 1.f); |
| })"); |
| |
| mSimpleFSModule = utils::CreateShaderModule(device, utils::SingleShaderStage::Fragment, R"( |
| #version 450 |
| layout (location = 0) out vec4 fragColor; |
| layout (set = 0, binding = 0) uniform colorBuffer { |
| vec4 color; |
| }; |
| void main() { |
| fragColor = color; |
| })"); |
| } |
| |
| utils::BasicRenderPass MakeRenderPass(uint32_t width, |
| uint32_t height, |
| wgpu::TextureFormat format) { |
| DAWN_ASSERT(width > 0 && height > 0); |
| |
| wgpu::TextureDescriptor descriptor; |
| descriptor.dimension = wgpu::TextureDimension::e2D; |
| descriptor.size.width = width; |
| descriptor.size.height = height; |
| descriptor.size.depth = 1; |
| descriptor.sampleCount = 1; |
| descriptor.format = format; |
| descriptor.mipLevelCount = 1; |
| descriptor.usage = wgpu::TextureUsage::RenderAttachment | wgpu::TextureUsage::CopySrc; |
| wgpu::Texture color = device.CreateTexture(&descriptor); |
| |
| return utils::BasicRenderPass(width, height, color); |
| } |
| |
| std::array<float, 4> GetSolidColor(uint32_t n) const { |
| ASSERT(n >> 24 == 0); |
| float b = (n & 0xFF) / 255.0f; |
| float g = ((n >> 8) & 0xFF) / 255.0f; |
| float r = ((n >> 16) & 0xFF) / 255.0f; |
| return {r, g, b, 1}; |
| } |
| |
| Device* mD3DDevice = nullptr; |
| |
| wgpu::ShaderModule mSimpleVSModule; |
| wgpu::ShaderModule mSimpleFSModule; |
| }; |
| |
| class DummyStagingDescriptorAllocator { |
| public: |
| DummyStagingDescriptorAllocator(Device* device, |
| uint32_t descriptorCount, |
| uint32_t allocationsPerHeap) |
| : mAllocator(device, |
| descriptorCount, |
| allocationsPerHeap * descriptorCount, |
| D3D12_DESCRIPTOR_HEAP_TYPE_SAMPLER) { |
| } |
| |
| CPUDescriptorHeapAllocation AllocateCPUDescriptors() { |
| dawn_native::ResultOrError<CPUDescriptorHeapAllocation> result = |
| mAllocator.AllocateCPUDescriptors(); |
| return (result.IsSuccess()) ? result.AcquireSuccess() : CPUDescriptorHeapAllocation{}; |
| } |
| |
| void Deallocate(CPUDescriptorHeapAllocation& allocation) { |
| mAllocator.Deallocate(&allocation); |
| } |
| |
| private: |
| StagingDescriptorAllocator mAllocator; |
| }; |
| |
| // Verify the shader visible view heaps switch over within a single submit. |
| TEST_P(D3D12DescriptorHeapTests, SwitchOverViewHeap) { |
| DAWN_SKIP_TEST_IF(!mD3DDevice->IsToggleEnabled( |
| dawn_native::Toggle::UseD3D12SmallShaderVisibleHeapForTesting)); |
| |
| utils::ComboRenderPipelineDescriptor renderPipelineDescriptor(device); |
| |
| // Fill in a view heap with "view only" bindgroups (1x view per group) by creating a |
| // view bindgroup each draw. After HEAP_SIZE + 1 draws, the heaps must switch over. |
| renderPipelineDescriptor.vertexStage.module = mSimpleVSModule; |
| renderPipelineDescriptor.cFragmentStage.module = mSimpleFSModule; |
| |
| wgpu::RenderPipeline renderPipeline = device.CreateRenderPipeline(&renderPipelineDescriptor); |
| utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize); |
| |
| Device* d3dDevice = reinterpret_cast<Device*>(device.Get()); |
| ShaderVisibleDescriptorAllocator* allocator = |
| d3dDevice->GetViewShaderVisibleDescriptorAllocator(); |
| const uint64_t heapSize = allocator->GetShaderVisibleHeapSizeForTesting(); |
| |
| const HeapVersionID heapSerial = allocator->GetShaderVisibleHeapSerialForTesting(); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| { |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| |
| pass.SetPipeline(renderPipeline); |
| |
| std::array<float, 4> redColor = {1, 0, 0, 1}; |
| wgpu::Buffer uniformBuffer = utils::CreateBufferFromData( |
| device, &redColor, sizeof(redColor), wgpu::BufferUsage::Uniform); |
| |
| for (uint32_t i = 0; i < heapSize + 1; ++i) { |
| pass.SetBindGroup(0, utils::MakeBindGroup(device, renderPipeline.GetBindGroupLayout(0), |
| {{0, uniformBuffer, 0, sizeof(redColor)}})); |
| pass.Draw(3); |
| } |
| |
| pass.EndPass(); |
| } |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| EXPECT_EQ(allocator->GetShaderVisibleHeapSerialForTesting(), heapSerial + HeapVersionID(1)); |
| } |
| |
| // Verify the shader visible sampler heaps does not switch over within a single submit. |
| TEST_P(D3D12DescriptorHeapTests, NoSwitchOverSamplerHeap) { |
| utils::ComboRenderPipelineDescriptor renderPipelineDescriptor(device); |
| |
| // Fill in a sampler heap with "sampler only" bindgroups (1x sampler per group) by creating a |
| // sampler bindgroup each draw. After HEAP_SIZE + 1 draws, the heaps WILL NOT switch over |
| // because the sampler heap allocations are de-duplicated. |
| renderPipelineDescriptor.vertexStage.module = |
| utils::CreateShaderModule(device, utils::SingleShaderStage::Vertex, R"( |
| #version 450 |
| void main() { |
| gl_Position = vec4(0.f, 0.f, 0.f, 1.f); |
| })"); |
| |
| renderPipelineDescriptor.cFragmentStage.module = |
| utils::CreateShaderModule(device, utils::SingleShaderStage::Fragment, R"(#version 450 |
| layout(set = 0, binding = 0) uniform sampler sampler0; |
| layout(location = 0) out vec4 fragColor; |
| void main() { |
| fragColor = vec4(0.0, 0.0, 0.0, 0.0); |
| })"); |
| |
| wgpu::RenderPipeline renderPipeline = device.CreateRenderPipeline(&renderPipelineDescriptor); |
| utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize); |
| |
| wgpu::SamplerDescriptor samplerDesc = utils::GetDefaultSamplerDescriptor(); |
| wgpu::Sampler sampler = device.CreateSampler(&samplerDesc); |
| |
| Device* d3dDevice = reinterpret_cast<Device*>(device.Get()); |
| ShaderVisibleDescriptorAllocator* allocator = |
| d3dDevice->GetSamplerShaderVisibleDescriptorAllocator(); |
| const uint64_t samplerHeapSize = allocator->GetShaderVisibleHeapSizeForTesting(); |
| |
| const HeapVersionID HeapVersionID = allocator->GetShaderVisibleHeapSerialForTesting(); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| { |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| |
| pass.SetPipeline(renderPipeline); |
| |
| for (uint32_t i = 0; i < samplerHeapSize + 1; ++i) { |
| pass.SetBindGroup(0, utils::MakeBindGroup(device, renderPipeline.GetBindGroupLayout(0), |
| {{0, sampler}})); |
| pass.Draw(3); |
| } |
| |
| pass.EndPass(); |
| } |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| EXPECT_EQ(allocator->GetShaderVisibleHeapSerialForTesting(), HeapVersionID); |
| } |
| |
| // Verify shader-visible heaps can be recycled for multiple submits. |
| TEST_P(D3D12DescriptorHeapTests, PoolHeapsInMultipleSubmits) { |
| // Use small heaps to count only pool-allocated switches. |
| DAWN_SKIP_TEST_IF(!mD3DDevice->IsToggleEnabled( |
| dawn_native::Toggle::UseD3D12SmallShaderVisibleHeapForTesting)); |
| |
| ShaderVisibleDescriptorAllocator* allocator = |
| mD3DDevice->GetSamplerShaderVisibleDescriptorAllocator(); |
| |
| std::list<ComPtr<ID3D12DescriptorHeap>> heaps = {allocator->GetShaderVisibleHeap()}; |
| |
| EXPECT_EQ(allocator->GetShaderVisiblePoolSizeForTesting(), 0u); |
| |
| // Allocate + increment internal serials up to |kFrameDepth| and ensure heaps are always unique. |
| for (uint32_t i = 0; i < kFrameDepth; i++) { |
| EXPECT_TRUE(allocator->AllocateAndSwitchShaderVisibleHeap().IsSuccess()); |
| ComPtr<ID3D12DescriptorHeap> heap = allocator->GetShaderVisibleHeap(); |
| EXPECT_TRUE(std::find(heaps.begin(), heaps.end(), heap) == heaps.end()); |
| heaps.push_back(heap); |
| // CheckPassedSerials() will update the last internally completed serial. |
| mD3DDevice->CheckPassedSerials(); |
| // NextSerial() will increment the last internally submitted serial. |
| EXPECT_TRUE(mD3DDevice->NextSerial().IsSuccess()); |
| } |
| |
| // Repeat up to |kFrameDepth| again but ensure heaps are the same in the expected order |
| // (oldest heaps are recycled first). The "+ 1" is so we also include the very first heap in the |
| // check. |
| for (uint32_t i = 0; i < kFrameDepth + 1; i++) { |
| EXPECT_TRUE(allocator->AllocateAndSwitchShaderVisibleHeap().IsSuccess()); |
| ComPtr<ID3D12DescriptorHeap> heap = allocator->GetShaderVisibleHeap(); |
| EXPECT_TRUE(heaps.front() == heap); |
| heaps.pop_front(); |
| mD3DDevice->CheckPassedSerials(); |
| EXPECT_TRUE(mD3DDevice->NextSerial().IsSuccess()); |
| } |
| |
| EXPECT_TRUE(heaps.empty()); |
| EXPECT_EQ(allocator->GetShaderVisiblePoolSizeForTesting(), kFrameDepth); |
| } |
| |
| // Verify shader-visible heaps do not recycle in a pending submit. |
| TEST_P(D3D12DescriptorHeapTests, PoolHeapsInPendingSubmit) { |
| // Use small heaps to count only pool-allocated switches. |
| DAWN_SKIP_TEST_IF(!mD3DDevice->IsToggleEnabled( |
| dawn_native::Toggle::UseD3D12SmallShaderVisibleHeapForTesting)); |
| |
| constexpr uint32_t kNumOfSwitches = 5; |
| |
| ShaderVisibleDescriptorAllocator* allocator = |
| mD3DDevice->GetSamplerShaderVisibleDescriptorAllocator(); |
| |
| const HeapVersionID heapSerial = allocator->GetShaderVisibleHeapSerialForTesting(); |
| |
| std::set<ComPtr<ID3D12DescriptorHeap>> heaps = {allocator->GetShaderVisibleHeap()}; |
| |
| EXPECT_EQ(allocator->GetShaderVisiblePoolSizeForTesting(), 0u); |
| |
| // Switch-over |kNumOfSwitches| and ensure heaps are always unique. |
| for (uint32_t i = 0; i < kNumOfSwitches; i++) { |
| EXPECT_TRUE(allocator->AllocateAndSwitchShaderVisibleHeap().IsSuccess()); |
| ComPtr<ID3D12DescriptorHeap> heap = allocator->GetShaderVisibleHeap(); |
| EXPECT_TRUE(std::find(heaps.begin(), heaps.end(), heap) == heaps.end()); |
| heaps.insert(heap); |
| } |
| |
| // After |kNumOfSwitches|, no heaps are recycled. |
| EXPECT_EQ(allocator->GetShaderVisibleHeapSerialForTesting(), |
| heapSerial + HeapVersionID(kNumOfSwitches)); |
| EXPECT_EQ(allocator->GetShaderVisiblePoolSizeForTesting(), kNumOfSwitches); |
| } |
| |
| // Verify switching shader-visible heaps do not recycle in a pending submit but do so |
| // once no longer pending. |
| TEST_P(D3D12DescriptorHeapTests, PoolHeapsInPendingAndMultipleSubmits) { |
| // Use small heaps to count only pool-allocated switches. |
| DAWN_SKIP_TEST_IF(!mD3DDevice->IsToggleEnabled( |
| dawn_native::Toggle::UseD3D12SmallShaderVisibleHeapForTesting)); |
| |
| constexpr uint32_t kNumOfSwitches = 5; |
| |
| ShaderVisibleDescriptorAllocator* allocator = |
| mD3DDevice->GetSamplerShaderVisibleDescriptorAllocator(); |
| const HeapVersionID heapSerial = allocator->GetShaderVisibleHeapSerialForTesting(); |
| |
| std::set<ComPtr<ID3D12DescriptorHeap>> heaps = {allocator->GetShaderVisibleHeap()}; |
| |
| EXPECT_EQ(allocator->GetShaderVisiblePoolSizeForTesting(), 0u); |
| |
| // Switch-over |kNumOfSwitches| to create a pool of unique heaps. |
| for (uint32_t i = 0; i < kNumOfSwitches; i++) { |
| EXPECT_TRUE(allocator->AllocateAndSwitchShaderVisibleHeap().IsSuccess()); |
| ComPtr<ID3D12DescriptorHeap> heap = allocator->GetShaderVisibleHeap(); |
| EXPECT_TRUE(std::find(heaps.begin(), heaps.end(), heap) == heaps.end()); |
| heaps.insert(heap); |
| } |
| |
| EXPECT_EQ(allocator->GetShaderVisibleHeapSerialForTesting(), |
| heapSerial + HeapVersionID(kNumOfSwitches)); |
| EXPECT_EQ(allocator->GetShaderVisiblePoolSizeForTesting(), kNumOfSwitches); |
| |
| // Ensure switched-over heaps can be recycled by advancing the GPU by at-least |kFrameDepth|. |
| for (uint32_t i = 0; i < kFrameDepth; i++) { |
| mD3DDevice->Tick(); |
| } |
| |
| // Switch-over |kNumOfSwitches| again reusing the same heaps. |
| for (uint32_t i = 0; i < kNumOfSwitches; i++) { |
| EXPECT_TRUE(allocator->AllocateAndSwitchShaderVisibleHeap().IsSuccess()); |
| ComPtr<ID3D12DescriptorHeap> heap = allocator->GetShaderVisibleHeap(); |
| EXPECT_TRUE(std::find(heaps.begin(), heaps.end(), heap) != heaps.end()); |
| heaps.erase(heap); |
| } |
| |
| // After switching-over |kNumOfSwitches| x 2, ensure no additional heaps exist. |
| EXPECT_EQ(allocator->GetShaderVisibleHeapSerialForTesting(), |
| heapSerial + HeapVersionID(kNumOfSwitches * 2)); |
| EXPECT_EQ(allocator->GetShaderVisiblePoolSizeForTesting(), kNumOfSwitches); |
| } |
| |
| // Verify shader-visible heaps do not recycle in multiple submits. |
| TEST_P(D3D12DescriptorHeapTests, GrowHeapsInMultipleSubmits) { |
| ShaderVisibleDescriptorAllocator* allocator = |
| mD3DDevice->GetSamplerShaderVisibleDescriptorAllocator(); |
| |
| const HeapVersionID heapSerial = allocator->GetShaderVisibleHeapSerialForTesting(); |
| |
| std::set<ComPtr<ID3D12DescriptorHeap>> heaps = {allocator->GetShaderVisibleHeap()}; |
| |
| EXPECT_EQ(allocator->GetShaderVisiblePoolSizeForTesting(), 0u); |
| |
| // Growth: Allocate + Tick() and ensure heaps are always unique. |
| while (allocator->GetShaderVisiblePoolSizeForTesting() == 0) { |
| EXPECT_TRUE(allocator->AllocateAndSwitchShaderVisibleHeap().IsSuccess()); |
| ComPtr<ID3D12DescriptorHeap> heap = allocator->GetShaderVisibleHeap(); |
| EXPECT_TRUE(std::find(heaps.begin(), heaps.end(), heap) == heaps.end()); |
| heaps.insert(heap); |
| mD3DDevice->Tick(); |
| } |
| |
| // Verify the number of switches equals the size of heaps allocated (minus the initial). |
| EXPECT_EQ(allocator->GetShaderVisiblePoolSizeForTesting(), 1u); |
| EXPECT_EQ(allocator->GetShaderVisibleHeapSerialForTesting(), |
| heapSerial + HeapVersionID(heaps.size() - 1)); |
| } |
| |
| // Verify shader-visible heaps do not recycle in a pending submit. |
| TEST_P(D3D12DescriptorHeapTests, GrowHeapsInPendingSubmit) { |
| ShaderVisibleDescriptorAllocator* allocator = |
| mD3DDevice->GetSamplerShaderVisibleDescriptorAllocator(); |
| |
| const HeapVersionID heapSerial = allocator->GetShaderVisibleHeapSerialForTesting(); |
| |
| std::set<ComPtr<ID3D12DescriptorHeap>> heaps = {allocator->GetShaderVisibleHeap()}; |
| |
| EXPECT_EQ(allocator->GetShaderVisiblePoolSizeForTesting(), 0u); |
| |
| // Growth: Allocate new heaps. |
| while (allocator->GetShaderVisiblePoolSizeForTesting() == 0) { |
| EXPECT_TRUE(allocator->AllocateAndSwitchShaderVisibleHeap().IsSuccess()); |
| ComPtr<ID3D12DescriptorHeap> heap = allocator->GetShaderVisibleHeap(); |
| EXPECT_TRUE(std::find(heaps.begin(), heaps.end(), heap) == heaps.end()); |
| heaps.insert(heap); |
| } |
| |
| // Verify the number of switches equals the size of heaps allocated (minus the initial). |
| EXPECT_EQ(allocator->GetShaderVisiblePoolSizeForTesting(), 1u); |
| EXPECT_EQ(allocator->GetShaderVisibleHeapSerialForTesting(), |
| heapSerial + HeapVersionID(heaps.size() - 1)); |
| } |
| |
| // Verify switching shader-visible heaps do not recycle in a pending submit but do so |
| // once no longer pending. |
| // Switches over many times until |kNumOfPooledHeaps| heaps are pool-allocated. |
| TEST_P(D3D12DescriptorHeapTests, GrowAndPoolHeapsInPendingAndMultipleSubmits) { |
| ShaderVisibleDescriptorAllocator* allocator = |
| mD3DDevice->GetSamplerShaderVisibleDescriptorAllocator(); |
| |
| std::set<ComPtr<ID3D12DescriptorHeap>> heaps = {allocator->GetShaderVisibleHeap()}; |
| |
| EXPECT_EQ(allocator->GetShaderVisiblePoolSizeForTesting(), 0u); |
| |
| uint32_t kNumOfPooledHeaps = 5; |
| while (allocator->GetShaderVisiblePoolSizeForTesting() < kNumOfPooledHeaps) { |
| EXPECT_TRUE(allocator->AllocateAndSwitchShaderVisibleHeap().IsSuccess()); |
| ComPtr<ID3D12DescriptorHeap> heap = allocator->GetShaderVisibleHeap(); |
| EXPECT_TRUE(std::find(heaps.begin(), heaps.end(), heap) == heaps.end()); |
| heaps.insert(heap); |
| } |
| |
| EXPECT_EQ(allocator->GetShaderVisiblePoolSizeForTesting(), kNumOfPooledHeaps); |
| |
| // Ensure switched-over heaps can be recycled by advancing the GPU by at-least |kFrameDepth|. |
| for (uint32_t i = 0; i < kFrameDepth; i++) { |
| mD3DDevice->Tick(); |
| } |
| |
| // Switch-over the pool-allocated heaps. |
| for (uint32_t i = 0; i < kNumOfPooledHeaps; i++) { |
| EXPECT_TRUE(allocator->AllocateAndSwitchShaderVisibleHeap().IsSuccess()); |
| ComPtr<ID3D12DescriptorHeap> heap = allocator->GetShaderVisibleHeap(); |
| EXPECT_FALSE(std::find(heaps.begin(), heaps.end(), heap) == heaps.end()); |
| } |
| |
| EXPECT_EQ(allocator->GetShaderVisiblePoolSizeForTesting(), kNumOfPooledHeaps); |
| } |
| |
| // Verify encoding multiple heaps worth of bindgroups. |
| // Shader-visible heaps will switch out |kNumOfHeaps| times. |
| TEST_P(D3D12DescriptorHeapTests, EncodeManyUBO) { |
| // This test draws a solid color triangle |heapSize| times. Each draw uses a new bindgroup that |
| // has its own UBO with a "color value" in the range [1... heapSize]. After |heapSize| draws, |
| // the result is the arithmetic sum of the sequence after the framebuffer is blended by |
| // accumulation. By checking for this sum, we ensure each bindgroup was encoded correctly. |
| DAWN_SKIP_TEST_IF(!mD3DDevice->IsToggleEnabled( |
| dawn_native::Toggle::UseD3D12SmallShaderVisibleHeapForTesting)); |
| |
| utils::BasicRenderPass renderPass = |
| MakeRenderPass(kRTSize, kRTSize, wgpu::TextureFormat::R32Float); |
| |
| utils::ComboRenderPipelineDescriptor pipelineDescriptor(device); |
| pipelineDescriptor.vertexStage.module = mSimpleVSModule; |
| |
| pipelineDescriptor.cFragmentStage.module = |
| utils::CreateShaderModule(device, utils::SingleShaderStage::Fragment, R"( |
| #version 450 |
| layout (location = 0) out float fragColor; |
| layout (set = 0, binding = 0) uniform buffer0 { |
| float heapSize; |
| }; |
| void main() { |
| fragColor = heapSize; |
| })"); |
| |
| pipelineDescriptor.cColorStates[0].format = wgpu::TextureFormat::R32Float; |
| pipelineDescriptor.cColorStates[0].colorBlend.operation = wgpu::BlendOperation::Add; |
| pipelineDescriptor.cColorStates[0].colorBlend.srcFactor = wgpu::BlendFactor::One; |
| pipelineDescriptor.cColorStates[0].colorBlend.dstFactor = wgpu::BlendFactor::One; |
| pipelineDescriptor.cColorStates[0].alphaBlend.operation = wgpu::BlendOperation::Add; |
| pipelineDescriptor.cColorStates[0].alphaBlend.srcFactor = wgpu::BlendFactor::One; |
| pipelineDescriptor.cColorStates[0].alphaBlend.dstFactor = wgpu::BlendFactor::One; |
| |
| wgpu::RenderPipeline renderPipeline = device.CreateRenderPipeline(&pipelineDescriptor); |
| |
| const uint32_t heapSize = |
| mD3DDevice->GetViewShaderVisibleDescriptorAllocator()->GetShaderVisibleHeapSizeForTesting(); |
| |
| constexpr uint32_t kNumOfHeaps = 2; |
| |
| const uint32_t numOfEncodedBindGroups = kNumOfHeaps * heapSize; |
| |
| std::vector<wgpu::BindGroup> bindGroups; |
| for (uint32_t i = 0; i < numOfEncodedBindGroups; i++) { |
| const float color = i + 1; |
| wgpu::Buffer uniformBuffer = |
| utils::CreateBufferFromData(device, &color, sizeof(color), wgpu::BufferUsage::Uniform); |
| bindGroups.push_back(utils::MakeBindGroup(device, renderPipeline.GetBindGroupLayout(0), |
| {{0, uniformBuffer}})); |
| } |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| { |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| |
| pass.SetPipeline(renderPipeline); |
| |
| for (uint32_t i = 0; i < numOfEncodedBindGroups; ++i) { |
| pass.SetBindGroup(0, bindGroups[i]); |
| pass.Draw(3); |
| } |
| |
| pass.EndPass(); |
| } |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| float colorSum = numOfEncodedBindGroups * (numOfEncodedBindGroups + 1) / 2; |
| EXPECT_PIXEL_FLOAT_EQ(colorSum, renderPass.color, 0, 0); |
| } |
| |
| // Verify encoding one bindgroup then a heaps worth in different submits. |
| // Shader-visible heaps should switch out once upon encoding 1 + |heapSize| descriptors. |
| // The first descriptor's memory will be reused when the second submit encodes |heapSize| |
| // descriptors. |
| TEST_P(D3D12DescriptorHeapTests, EncodeUBOOverflowMultipleSubmit) { |
| DAWN_SKIP_TEST_IF(!mD3DDevice->IsToggleEnabled( |
| dawn_native::Toggle::UseD3D12SmallShaderVisibleHeapForTesting)); |
| |
| utils::ComboRenderPipelineDescriptor renderPipelineDescriptor(device); |
| |
| utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize); |
| |
| utils::ComboRenderPipelineDescriptor pipelineDescriptor(device); |
| pipelineDescriptor.vertexStage.module = mSimpleVSModule; |
| pipelineDescriptor.cFragmentStage.module = mSimpleFSModule; |
| pipelineDescriptor.cColorStates[0].format = renderPass.colorFormat; |
| |
| wgpu::RenderPipeline renderPipeline = device.CreateRenderPipeline(&pipelineDescriptor); |
| |
| // Encode the first descriptor and submit. |
| { |
| std::array<float, 4> greenColor = {0, 1, 0, 1}; |
| wgpu::Buffer uniformBuffer = utils::CreateBufferFromData( |
| device, &greenColor, sizeof(greenColor), wgpu::BufferUsage::Uniform); |
| |
| wgpu::BindGroup bindGroup = utils::MakeBindGroup( |
| device, renderPipeline.GetBindGroupLayout(0), {{0, uniformBuffer}}); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| { |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| |
| pass.SetPipeline(renderPipeline); |
| pass.SetBindGroup(0, bindGroup); |
| pass.Draw(3); |
| pass.EndPass(); |
| } |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| } |
| |
| EXPECT_PIXEL_RGBA8_EQ(RGBA8::kGreen, renderPass.color, 0, 0); |
| |
| // Encode a heap worth of descriptors. |
| { |
| const uint32_t heapSize = mD3DDevice->GetSamplerShaderVisibleDescriptorAllocator() |
| ->GetShaderVisibleHeapSizeForTesting(); |
| |
| std::vector<wgpu::BindGroup> bindGroups; |
| for (uint32_t i = 0; i < heapSize - 1; i++) { |
| std::array<float, 4> fillColor = GetSolidColor(i + 1); // Avoid black |
| wgpu::Buffer uniformBuffer = utils::CreateBufferFromData( |
| device, &fillColor, sizeof(fillColor), wgpu::BufferUsage::Uniform); |
| |
| bindGroups.push_back(utils::MakeBindGroup(device, renderPipeline.GetBindGroupLayout(0), |
| {{0, uniformBuffer}})); |
| } |
| |
| std::array<float, 4> redColor = {1, 0, 0, 1}; |
| wgpu::Buffer lastUniformBuffer = utils::CreateBufferFromData( |
| device, &redColor, sizeof(redColor), wgpu::BufferUsage::Uniform); |
| |
| bindGroups.push_back(utils::MakeBindGroup(device, renderPipeline.GetBindGroupLayout(0), |
| {{0, lastUniformBuffer, 0, sizeof(redColor)}})); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| { |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| |
| pass.SetPipeline(renderPipeline); |
| |
| for (uint32_t i = 0; i < heapSize; ++i) { |
| pass.SetBindGroup(0, bindGroups[i]); |
| pass.Draw(3); |
| } |
| |
| pass.EndPass(); |
| } |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| } |
| |
| EXPECT_PIXEL_RGBA8_EQ(RGBA8::kRed, renderPass.color, 0, 0); |
| } |
| |
| // Verify encoding a heaps worth of bindgroups plus one more then reuse the first |
| // bindgroup in the same submit. |
| // Shader-visible heaps should switch out once then re-encode the first descriptor at a new offset |
| // in the heap. |
| TEST_P(D3D12DescriptorHeapTests, EncodeReuseUBOOverflow) { |
| DAWN_SKIP_TEST_IF(!mD3DDevice->IsToggleEnabled( |
| dawn_native::Toggle::UseD3D12SmallShaderVisibleHeapForTesting)); |
| |
| utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize); |
| |
| utils::ComboRenderPipelineDescriptor pipelineDescriptor(device); |
| pipelineDescriptor.vertexStage.module = mSimpleVSModule; |
| pipelineDescriptor.cFragmentStage.module = mSimpleFSModule; |
| pipelineDescriptor.cColorStates[0].format = renderPass.colorFormat; |
| |
| wgpu::RenderPipeline pipeline = device.CreateRenderPipeline(&pipelineDescriptor); |
| |
| std::array<float, 4> redColor = {1, 0, 0, 1}; |
| wgpu::Buffer firstUniformBuffer = utils::CreateBufferFromData( |
| device, &redColor, sizeof(redColor), wgpu::BufferUsage::Uniform); |
| |
| std::vector<wgpu::BindGroup> bindGroups = {utils::MakeBindGroup( |
| device, pipeline.GetBindGroupLayout(0), {{0, firstUniformBuffer, 0, sizeof(redColor)}})}; |
| |
| const uint32_t heapSize = |
| mD3DDevice->GetViewShaderVisibleDescriptorAllocator()->GetShaderVisibleHeapSizeForTesting(); |
| |
| for (uint32_t i = 0; i < heapSize; i++) { |
| const std::array<float, 4>& fillColor = GetSolidColor(i + 1); // Avoid black |
| wgpu::Buffer uniformBuffer = utils::CreateBufferFromData( |
| device, &fillColor, sizeof(fillColor), wgpu::BufferUsage::Uniform); |
| bindGroups.push_back(utils::MakeBindGroup(device, pipeline.GetBindGroupLayout(0), |
| {{0, uniformBuffer, 0, sizeof(fillColor)}})); |
| } |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| { |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| |
| pass.SetPipeline(pipeline); |
| |
| // Encode a heap worth of descriptors plus one more. |
| for (uint32_t i = 0; i < heapSize + 1; ++i) { |
| pass.SetBindGroup(0, bindGroups[i]); |
| pass.Draw(3); |
| } |
| |
| // Re-encode the first bindgroup again. |
| pass.SetBindGroup(0, bindGroups[0]); |
| pass.Draw(3); |
| |
| pass.EndPass(); |
| } |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| // Make sure the first bindgroup was encoded correctly. |
| EXPECT_PIXEL_RGBA8_EQ(RGBA8::kRed, renderPass.color, 0, 0); |
| } |
| |
| // Verify encoding a heaps worth of bindgroups plus one more in the first submit then reuse the |
| // first bindgroup again in the second submit. |
| // Shader-visible heaps should switch out once then re-encode the |
| // first descriptor at the same offset in the heap. |
| TEST_P(D3D12DescriptorHeapTests, EncodeReuseUBOMultipleSubmits) { |
| DAWN_SKIP_TEST_IF(!mD3DDevice->IsToggleEnabled( |
| dawn_native::Toggle::UseD3D12SmallShaderVisibleHeapForTesting)); |
| |
| utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize); |
| |
| utils::ComboRenderPipelineDescriptor pipelineDescriptor(device); |
| pipelineDescriptor.vertexStage.module = mSimpleVSModule; |
| pipelineDescriptor.cFragmentStage.module = mSimpleFSModule; |
| pipelineDescriptor.cColorStates[0].format = renderPass.colorFormat; |
| |
| wgpu::RenderPipeline pipeline = device.CreateRenderPipeline(&pipelineDescriptor); |
| |
| // Encode heap worth of descriptors plus one more. |
| std::array<float, 4> redColor = {1, 0, 0, 1}; |
| |
| wgpu::Buffer firstUniformBuffer = utils::CreateBufferFromData( |
| device, &redColor, sizeof(redColor), wgpu::BufferUsage::Uniform); |
| |
| std::vector<wgpu::BindGroup> bindGroups = {utils::MakeBindGroup( |
| device, pipeline.GetBindGroupLayout(0), {{0, firstUniformBuffer, 0, sizeof(redColor)}})}; |
| |
| const uint32_t heapSize = |
| mD3DDevice->GetViewShaderVisibleDescriptorAllocator()->GetShaderVisibleHeapSizeForTesting(); |
| |
| for (uint32_t i = 0; i < heapSize; i++) { |
| std::array<float, 4> fillColor = GetSolidColor(i + 1); // Avoid black |
| wgpu::Buffer uniformBuffer = utils::CreateBufferFromData( |
| device, &fillColor, sizeof(fillColor), wgpu::BufferUsage::Uniform); |
| |
| bindGroups.push_back(utils::MakeBindGroup(device, pipeline.GetBindGroupLayout(0), |
| {{0, uniformBuffer, 0, sizeof(fillColor)}})); |
| } |
| |
| { |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| { |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| |
| pass.SetPipeline(pipeline); |
| |
| for (uint32_t i = 0; i < heapSize + 1; ++i) { |
| pass.SetBindGroup(0, bindGroups[i]); |
| pass.Draw(3); |
| } |
| |
| pass.EndPass(); |
| } |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| } |
| |
| // Re-encode the first bindgroup again. |
| { |
| std::array<float, 4> greenColor = {0, 1, 0, 1}; |
| queue.WriteBuffer(firstUniformBuffer, 0, &greenColor, sizeof(greenColor)); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| { |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| |
| pass.SetPipeline(pipeline); |
| |
| pass.SetBindGroup(0, bindGroups[0]); |
| pass.Draw(3); |
| |
| pass.EndPass(); |
| } |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| } |
| |
| // Make sure the first bindgroup was re-encoded correctly. |
| EXPECT_PIXEL_RGBA8_EQ(RGBA8::kGreen, renderPass.color, 0, 0); |
| } |
| |
| // Verify encoding many sampler and ubo worth of bindgroups. |
| // Shader-visible heaps should switch out |kNumOfViewHeaps| times. |
| TEST_P(D3D12DescriptorHeapTests, EncodeManyUBOAndSamplers) { |
| DAWN_SKIP_TEST_IF(!mD3DDevice->IsToggleEnabled( |
| dawn_native::Toggle::UseD3D12SmallShaderVisibleHeapForTesting)); |
| |
| // Create a solid filled texture. |
| wgpu::TextureDescriptor descriptor; |
| descriptor.dimension = wgpu::TextureDimension::e2D; |
| descriptor.size.width = kRTSize; |
| descriptor.size.height = kRTSize; |
| descriptor.size.depth = 1; |
| descriptor.sampleCount = 1; |
| descriptor.format = wgpu::TextureFormat::RGBA8Unorm; |
| descriptor.mipLevelCount = 1; |
| descriptor.usage = wgpu::TextureUsage::Sampled | wgpu::TextureUsage::RenderAttachment | |
| wgpu::TextureUsage::CopySrc; |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| wgpu::TextureView textureView = texture.CreateView(); |
| |
| { |
| utils::BasicRenderPass renderPass = utils::BasicRenderPass(kRTSize, kRTSize, texture); |
| |
| utils::ComboRenderPassDescriptor renderPassDesc({textureView}); |
| renderPassDesc.cColorAttachments[0].loadOp = wgpu::LoadOp::Clear; |
| renderPassDesc.cColorAttachments[0].clearColor = {0.0f, 1.0f, 0.0f, 1.0f}; |
| renderPass.renderPassInfo.cColorAttachments[0].attachment = textureView; |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| auto pass = encoder.BeginRenderPass(&renderPassDesc); |
| pass.EndPass(); |
| |
| wgpu::CommandBuffer commandBuffer = encoder.Finish(); |
| queue.Submit(1, &commandBuffer); |
| |
| RGBA8 filled(0, 255, 0, 255); |
| EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, 0, 0); |
| } |
| |
| { |
| utils::ComboRenderPipelineDescriptor pipelineDescriptor(device); |
| |
| pipelineDescriptor.vertexStage.module = |
| utils::CreateShaderModule(device, utils::SingleShaderStage::Vertex, R"( |
| #version 450 |
| layout (set = 0, binding = 0) uniform vertexUniformBuffer { |
| mat2 transform; |
| }; |
| void main() { |
| const vec2 pos[3] = vec2[3](vec2(-1.f, 1.f), vec2(1.f, 1.f), vec2(-1.f, -1.f)); |
| gl_Position = vec4(transform * pos[gl_VertexIndex], 0.f, 1.f); |
| })"); |
| |
| pipelineDescriptor.cFragmentStage.module = |
| utils::CreateShaderModule(device, utils::SingleShaderStage::Fragment, R"( |
| #version 450 |
| layout (set = 0, binding = 1) uniform sampler sampler0; |
| layout (set = 0, binding = 2) uniform texture2D texture0; |
| layout (set = 0, binding = 3) uniform buffer0 { |
| vec4 color; |
| }; |
| layout (location = 0) out vec4 fragColor; |
| void main() { |
| fragColor = texture(sampler2D(texture0, sampler0), gl_FragCoord.xy); |
| fragColor += color; |
| })"); |
| |
| utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize); |
| pipelineDescriptor.cColorStates[0].format = renderPass.colorFormat; |
| |
| wgpu::RenderPipeline pipeline = device.CreateRenderPipeline(&pipelineDescriptor); |
| |
| // Encode a heap worth of descriptors |kNumOfHeaps| times. |
| constexpr float dummy = 0.0f; |
| constexpr float transform[] = {1.f, 0.f, dummy, dummy, 0.f, 1.f, dummy, dummy}; |
| wgpu::Buffer transformBuffer = utils::CreateBufferFromData( |
| device, &transform, sizeof(transform), wgpu::BufferUsage::Uniform); |
| |
| wgpu::SamplerDescriptor samplerDescriptor; |
| wgpu::Sampler sampler = device.CreateSampler(&samplerDescriptor); |
| |
| ShaderVisibleDescriptorAllocator* viewAllocator = |
| mD3DDevice->GetViewShaderVisibleDescriptorAllocator(); |
| |
| ShaderVisibleDescriptorAllocator* samplerAllocator = |
| mD3DDevice->GetSamplerShaderVisibleDescriptorAllocator(); |
| |
| const HeapVersionID viewHeapSerial = viewAllocator->GetShaderVisibleHeapSerialForTesting(); |
| const HeapVersionID samplerHeapSerial = |
| samplerAllocator->GetShaderVisibleHeapSerialForTesting(); |
| |
| const uint32_t viewHeapSize = viewAllocator->GetShaderVisibleHeapSizeForTesting(); |
| |
| // "Small" view heap is always 2 x sampler heap size and encodes 3x the descriptors per |
| // group. This means the count of heaps switches is determined by the total number of views |
| // to encode. Compute the number of bindgroups to encode by counting the required views for |
| // |kNumOfViewHeaps| heaps worth. |
| constexpr uint32_t kViewsPerBindGroup = 3; |
| constexpr uint32_t kNumOfViewHeaps = 5; |
| |
| const uint32_t numOfEncodedBindGroups = |
| (viewHeapSize * kNumOfViewHeaps) / kViewsPerBindGroup; |
| |
| std::vector<wgpu::BindGroup> bindGroups; |
| for (uint32_t i = 0; i < numOfEncodedBindGroups - 1; i++) { |
| std::array<float, 4> fillColor = GetSolidColor(i + 1); // Avoid black |
| wgpu::Buffer uniformBuffer = utils::CreateBufferFromData( |
| device, &fillColor, sizeof(fillColor), wgpu::BufferUsage::Uniform); |
| |
| bindGroups.push_back(utils::MakeBindGroup(device, pipeline.GetBindGroupLayout(0), |
| {{0, transformBuffer, 0, sizeof(transform)}, |
| {1, sampler}, |
| {2, textureView}, |
| {3, uniformBuffer, 0, sizeof(fillColor)}})); |
| } |
| |
| std::array<float, 4> redColor = {1, 0, 0, 1}; |
| wgpu::Buffer lastUniformBuffer = utils::CreateBufferFromData( |
| device, &redColor, sizeof(redColor), wgpu::BufferUsage::Uniform); |
| |
| bindGroups.push_back(utils::MakeBindGroup(device, pipeline.GetBindGroupLayout(0), |
| {{0, transformBuffer, 0, sizeof(transform)}, |
| {1, sampler}, |
| {2, textureView}, |
| {3, lastUniformBuffer, 0, sizeof(redColor)}})); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| |
| pass.SetPipeline(pipeline); |
| |
| for (uint32_t i = 0; i < numOfEncodedBindGroups; ++i) { |
| pass.SetBindGroup(0, bindGroups[i]); |
| pass.Draw(3); |
| } |
| |
| pass.EndPass(); |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| // Final accumulated color is result of sampled + UBO color. |
| RGBA8 filled(255, 255, 0, 255); |
| RGBA8 notFilled(0, 0, 0, 0); |
| EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, 0, 0); |
| EXPECT_PIXEL_RGBA8_EQ(notFilled, renderPass.color, kRTSize - 1, 0); |
| |
| EXPECT_EQ(viewAllocator->GetShaderVisiblePoolSizeForTesting(), kNumOfViewHeaps); |
| EXPECT_EQ(viewAllocator->GetShaderVisibleHeapSerialForTesting(), |
| viewHeapSerial + HeapVersionID(kNumOfViewHeaps)); |
| |
| EXPECT_EQ(samplerAllocator->GetShaderVisiblePoolSizeForTesting(), 0u); |
| EXPECT_EQ(samplerAllocator->GetShaderVisibleHeapSerialForTesting(), samplerHeapSerial); |
| } |
| } |
| |
| // Verify a single allocate/deallocate. |
| // One non-shader visible heap will be created. |
| TEST_P(D3D12DescriptorHeapTests, Single) { |
| constexpr uint32_t kDescriptorCount = 4; |
| constexpr uint32_t kAllocationsPerHeap = 3; |
| DummyStagingDescriptorAllocator allocator(mD3DDevice, kDescriptorCount, kAllocationsPerHeap); |
| |
| CPUDescriptorHeapAllocation allocation = allocator.AllocateCPUDescriptors(); |
| EXPECT_EQ(allocation.GetHeapIndex(), 0u); |
| EXPECT_NE(allocation.OffsetFrom(0, 0).ptr, 0u); |
| |
| allocator.Deallocate(allocation); |
| EXPECT_FALSE(allocation.IsValid()); |
| } |
| |
| // Verify allocating many times causes the pool to increase in size. |
| // Creates |kNumOfHeaps| non-shader visible heaps. |
| TEST_P(D3D12DescriptorHeapTests, Sequential) { |
| constexpr uint32_t kDescriptorCount = 4; |
| constexpr uint32_t kAllocationsPerHeap = 3; |
| DummyStagingDescriptorAllocator allocator(mD3DDevice, kDescriptorCount, kAllocationsPerHeap); |
| |
| // Allocate |kNumOfHeaps| worth. |
| constexpr uint32_t kNumOfHeaps = 2; |
| |
| std::set<uint32_t> allocatedHeaps; |
| |
| std::vector<CPUDescriptorHeapAllocation> allocations; |
| for (uint32_t i = 0; i < kAllocationsPerHeap * kNumOfHeaps; i++) { |
| CPUDescriptorHeapAllocation allocation = allocator.AllocateCPUDescriptors(); |
| EXPECT_EQ(allocation.GetHeapIndex(), i / kAllocationsPerHeap); |
| EXPECT_NE(allocation.OffsetFrom(0, 0).ptr, 0u); |
| allocations.push_back(allocation); |
| allocatedHeaps.insert(allocation.GetHeapIndex()); |
| } |
| |
| EXPECT_EQ(allocatedHeaps.size(), kNumOfHeaps); |
| |
| // Deallocate all. |
| for (CPUDescriptorHeapAllocation& allocation : allocations) { |
| allocator.Deallocate(allocation); |
| EXPECT_FALSE(allocation.IsValid()); |
| } |
| } |
| |
| // Verify that re-allocating a number of allocations < pool size, all heaps are reused. |
| // Creates and reuses |kNumofHeaps| non-shader visible heaps. |
| TEST_P(D3D12DescriptorHeapTests, ReuseFreedHeaps) { |
| constexpr uint32_t kDescriptorCount = 4; |
| constexpr uint32_t kAllocationsPerHeap = 25; |
| DummyStagingDescriptorAllocator allocator(mD3DDevice, kDescriptorCount, kAllocationsPerHeap); |
| |
| constexpr uint32_t kNumofHeaps = 10; |
| |
| std::list<CPUDescriptorHeapAllocation> allocations; |
| std::set<size_t> allocationPtrs; |
| |
| // Allocate |kNumofHeaps| heaps worth. |
| for (uint32_t i = 0; i < kAllocationsPerHeap * kNumofHeaps; i++) { |
| CPUDescriptorHeapAllocation allocation = allocator.AllocateCPUDescriptors(); |
| allocations.push_back(allocation); |
| EXPECT_TRUE(allocationPtrs.insert(allocation.OffsetFrom(0, 0).ptr).second); |
| } |
| |
| // Deallocate all. |
| for (CPUDescriptorHeapAllocation& allocation : allocations) { |
| allocator.Deallocate(allocation); |
| EXPECT_FALSE(allocation.IsValid()); |
| } |
| |
| allocations.clear(); |
| |
| // Re-allocate all again. |
| std::set<size_t> reallocatedPtrs; |
| for (uint32_t i = 0; i < kAllocationsPerHeap * kNumofHeaps; i++) { |
| CPUDescriptorHeapAllocation allocation = allocator.AllocateCPUDescriptors(); |
| allocations.push_back(allocation); |
| EXPECT_TRUE(reallocatedPtrs.insert(allocation.OffsetFrom(0, 0).ptr).second); |
| EXPECT_TRUE(std::find(allocationPtrs.begin(), allocationPtrs.end(), |
| allocation.OffsetFrom(0, 0).ptr) != allocationPtrs.end()); |
| } |
| |
| // Deallocate all again. |
| for (CPUDescriptorHeapAllocation& allocation : allocations) { |
| allocator.Deallocate(allocation); |
| EXPECT_FALSE(allocation.IsValid()); |
| } |
| } |
| |
| // Verify allocating then deallocating many times. |
| TEST_P(D3D12DescriptorHeapTests, AllocateDeallocateMany) { |
| constexpr uint32_t kDescriptorCount = 4; |
| constexpr uint32_t kAllocationsPerHeap = 25; |
| DummyStagingDescriptorAllocator allocator(mD3DDevice, kDescriptorCount, kAllocationsPerHeap); |
| |
| std::list<CPUDescriptorHeapAllocation> list3; |
| std::list<CPUDescriptorHeapAllocation> list5; |
| std::list<CPUDescriptorHeapAllocation> allocations; |
| |
| constexpr uint32_t kNumofHeaps = 2; |
| |
| // Allocate |kNumofHeaps| heaps worth. |
| for (uint32_t i = 0; i < kAllocationsPerHeap * kNumofHeaps; i++) { |
| CPUDescriptorHeapAllocation allocation = allocator.AllocateCPUDescriptors(); |
| EXPECT_NE(allocation.OffsetFrom(0, 0).ptr, 0u); |
| if (i % 3 == 0) { |
| list3.push_back(allocation); |
| } else { |
| allocations.push_back(allocation); |
| } |
| } |
| |
| // Deallocate every 3rd allocation. |
| for (auto it = list3.begin(); it != list3.end(); it = list3.erase(it)) { |
| allocator.Deallocate(*it); |
| } |
| |
| // Allocate again. |
| for (uint32_t i = 0; i < kAllocationsPerHeap * kNumofHeaps; i++) { |
| CPUDescriptorHeapAllocation allocation = allocator.AllocateCPUDescriptors(); |
| EXPECT_NE(allocation.OffsetFrom(0, 0).ptr, 0u); |
| if (i % 5 == 0) { |
| list5.push_back(allocation); |
| } else { |
| allocations.push_back(allocation); |
| } |
| } |
| |
| // Deallocate every 5th allocation. |
| for (auto it = list5.begin(); it != list5.end(); it = list5.erase(it)) { |
| allocator.Deallocate(*it); |
| } |
| |
| // Allocate again. |
| for (uint32_t i = 0; i < kAllocationsPerHeap * kNumofHeaps; i++) { |
| CPUDescriptorHeapAllocation allocation = allocator.AllocateCPUDescriptors(); |
| EXPECT_NE(allocation.OffsetFrom(0, 0).ptr, 0u); |
| allocations.push_back(allocation); |
| } |
| |
| // Deallocate remaining. |
| for (CPUDescriptorHeapAllocation& allocation : allocations) { |
| allocator.Deallocate(allocation); |
| EXPECT_FALSE(allocation.IsValid()); |
| } |
| } |
| |
| DAWN_INSTANTIATE_TEST(D3D12DescriptorHeapTests, |
| D3D12Backend(), |
| D3D12Backend({"use_d3d12_small_shader_visible_heap"})); |
