| // Copyright 2019 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 <string> |
| #include <vector> |
| |
| #include "dawn/common/Math.h" |
| #include "dawn/tests/DawnTest.h" |
| #include "dawn/utils/ComboRenderPipelineDescriptor.h" |
| #include "dawn/utils/TestUtils.h" |
| #include "dawn/utils/WGPUHelpers.h" |
| |
| #define EXPECT_LAZY_CLEAR(N, statement) \ |
| do { \ |
| if (UsesWire()) { \ |
| statement; \ |
| } else { \ |
| size_t lazyClearsBefore = dawn::native::GetLazyClearCountForTesting(device.Get()); \ |
| statement; \ |
| size_t lazyClearsAfter = dawn::native::GetLazyClearCountForTesting(device.Get()); \ |
| EXPECT_EQ(N, lazyClearsAfter - lazyClearsBefore); \ |
| } \ |
| } while (0) |
| |
| class TextureZeroInitTest : public DawnTest { |
| protected: |
| void SetUp() override { |
| DawnTest::SetUp(); |
| DAWN_TEST_UNSUPPORTED_IF(UsesWire()); |
| } |
| wgpu::TextureDescriptor CreateTextureDescriptor(uint32_t mipLevelCount, |
| uint32_t arrayLayerCount, |
| wgpu::TextureUsage usage, |
| wgpu::TextureFormat format) { |
| wgpu::TextureDescriptor descriptor; |
| descriptor.dimension = wgpu::TextureDimension::e2D; |
| descriptor.size.width = kSize; |
| descriptor.size.height = kSize; |
| descriptor.size.depthOrArrayLayers = arrayLayerCount; |
| descriptor.sampleCount = 1; |
| descriptor.format = format; |
| descriptor.mipLevelCount = mipLevelCount; |
| descriptor.usage = usage; |
| return descriptor; |
| } |
| wgpu::TextureViewDescriptor CreateTextureViewDescriptor( |
| uint32_t baseMipLevel, |
| uint32_t baseArrayLayer, |
| wgpu::TextureFormat format = kColorFormat) { |
| wgpu::TextureViewDescriptor descriptor; |
| descriptor.format = format; |
| descriptor.baseArrayLayer = baseArrayLayer; |
| descriptor.arrayLayerCount = 1; |
| descriptor.baseMipLevel = baseMipLevel; |
| descriptor.mipLevelCount = 1; |
| descriptor.dimension = wgpu::TextureViewDimension::e2D; |
| return descriptor; |
| } |
| wgpu::RenderPipeline CreatePipelineForTest(float depth = 0.f) { |
| utils::ComboRenderPipelineDescriptor pipelineDescriptor; |
| pipelineDescriptor.vertex.module = CreateBasicVertexShaderForTest(depth); |
| const char* fs = R"( |
| ; |
| @stage(fragment) fn main() -> @location(0) vec4<f32> { |
| return vec4<f32>(1.0, 0.0, 0.0, 1.0); |
| } |
| )"; |
| pipelineDescriptor.cFragment.module = utils::CreateShaderModule(device, fs); |
| wgpu::DepthStencilState* depthStencil = pipelineDescriptor.EnableDepthStencil(); |
| depthStencil->depthCompare = wgpu::CompareFunction::Equal; |
| depthStencil->stencilFront.compare = wgpu::CompareFunction::Equal; |
| |
| return device.CreateRenderPipeline(&pipelineDescriptor); |
| } |
| wgpu::ShaderModule CreateBasicVertexShaderForTest(float depth = 0.f) { |
| std::string source = R"( |
| @stage(vertex) |
| fn main(@builtin(vertex_index) VertexIndex : u32) -> @builtin(position) vec4<f32> { |
| var pos = array<vec2<f32>, 6>( |
| vec2<f32>(-1.0, -1.0), |
| vec2<f32>(-1.0, 1.0), |
| vec2<f32>( 1.0, -1.0), |
| vec2<f32>( 1.0, 1.0), |
| vec2<f32>(-1.0, 1.0), |
| vec2<f32>( 1.0, -1.0) |
| ); |
| return vec4<f32>(pos[VertexIndex], )" + |
| std::to_string(depth) + R"(, 1.0); |
| })"; |
| return utils::CreateShaderModule(device, source.c_str()); |
| } |
| wgpu::ShaderModule CreateSampledTextureFragmentShaderForTest() { |
| return utils::CreateShaderModule(device, R"( |
| @group(0) @binding(0) var texture0 : texture_2d<f32>; |
| struct FragmentOut { |
| @location(0) color : vec4<f32> |
| } |
| @stage(fragment) |
| fn main(@builtin(position) FragCoord : vec4<f32>) -> FragmentOut { |
| var output : FragmentOut; |
| output.color = textureLoad(texture0, vec2<i32>(FragCoord.xy), 0); |
| return output; |
| } |
| )"); |
| } |
| |
| constexpr static uint32_t kSize = 128; |
| constexpr static uint32_t kUnalignedSize = 127; |
| // All texture formats used (RGBA8Unorm, Depth24PlusStencil8, and RGBA8Snorm, BC formats) |
| // have the same block byte size of 4. |
| constexpr static uint32_t kFormatBlockByteSize = 4; |
| constexpr static wgpu::TextureFormat kColorFormat = wgpu::TextureFormat::RGBA8Unorm; |
| constexpr static wgpu::TextureFormat kDepthStencilFormat = |
| wgpu::TextureFormat::Depth24PlusStencil8; |
| constexpr static wgpu::TextureFormat kNonrenderableColorFormat = |
| wgpu::TextureFormat::RGBA8Snorm; |
| }; |
| |
| // This tests that the code path of CopyTextureToBuffer clears correctly to Zero after first usage |
| TEST_P(TextureZeroInitTest, CopyTextureToBufferSource) { |
| wgpu::TextureDescriptor descriptor = CreateTextureDescriptor( |
| 1, 1, wgpu::TextureUsage::RenderAttachment | wgpu::TextureUsage::CopySrc, kColorFormat); |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| |
| // Texture's first usage is in EXPECT_PIXEL_RGBA8_EQ's call to CopyTextureToBuffer |
| RGBA8 filledWithZeros(0, 0, 0, 0); |
| EXPECT_LAZY_CLEAR(1u, EXPECT_PIXEL_RGBA8_EQ(filledWithZeros, texture, 0, 0)); |
| |
| // Expect texture subresource initialized to be true |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized(texture.Get(), 0, 1, 0, 1)); |
| } |
| |
| // This tests that the code path of CopyTextureToBuffer with multiple texture array layers clears |
| // correctly to Zero after first usage |
| TEST_P(TextureZeroInitTest, CopyMultipleTextureArrayLayersToBufferSource) { |
| constexpr uint32_t kArrayLayers = 6u; |
| |
| const wgpu::TextureDescriptor descriptor = CreateTextureDescriptor( |
| 1, kArrayLayers, wgpu::TextureUsage::RenderAttachment | wgpu::TextureUsage::CopySrc, |
| kColorFormat); |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| |
| const uint32_t bytesPerRow = utils::GetMinimumBytesPerRow(kColorFormat, kSize); |
| const uint32_t rowsPerImage = kSize; |
| wgpu::BufferDescriptor bufferDescriptor; |
| bufferDescriptor.usage = wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst; |
| bufferDescriptor.size = utils::RequiredBytesInCopy(bytesPerRow, rowsPerImage, |
| {kSize, kSize, kArrayLayers}, kColorFormat); |
| wgpu::Buffer buffer = device.CreateBuffer(&bufferDescriptor); |
| |
| const wgpu::ImageCopyBuffer imageCopyBuffer = |
| utils::CreateImageCopyBuffer(buffer, 0, bytesPerRow, kSize); |
| const wgpu::ImageCopyTexture imageCopyTexture = |
| utils::CreateImageCopyTexture(texture, 0, {0, 0, 0}); |
| const wgpu::Extent3D copySize = {kSize, kSize, kArrayLayers}; |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| encoder.CopyTextureToBuffer(&imageCopyTexture, &imageCopyBuffer, ©Size); |
| wgpu::CommandBuffer commandBuffer = encoder.Finish(); |
| |
| // Expect texture to be lazy initialized. |
| EXPECT_LAZY_CLEAR(1u, queue.Submit(1, &commandBuffer)); |
| |
| // Expect texture subresource initialized to be true |
| EXPECT_TRUE( |
| dawn::native::IsTextureSubresourceInitialized(texture.Get(), 0, 1, 0, kArrayLayers)); |
| |
| const std::vector<RGBA8> kExpectedAllZero(kSize * kSize, {0, 0, 0, 0}); |
| for (uint32_t layer = 0; layer < kArrayLayers; ++layer) { |
| EXPECT_TEXTURE_EQ(kExpectedAllZero.data(), texture, {0, 0, layer}, {kSize, kSize}); |
| } |
| } |
| |
| // Test that non-zero mip level clears subresource to Zero after first use |
| // This goes through the BeginRenderPass's code path |
| TEST_P(TextureZeroInitTest, RenderingMipMapClearsToZero) { |
| uint32_t baseMipLevel = 2; |
| uint32_t levelCount = 4; |
| uint32_t baseArrayLayer = 0; |
| uint32_t layerCount = 1; |
| |
| wgpu::TextureDescriptor descriptor = CreateTextureDescriptor( |
| levelCount, layerCount, wgpu::TextureUsage::RenderAttachment | wgpu::TextureUsage::CopySrc, |
| kColorFormat); |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| |
| wgpu::TextureViewDescriptor viewDescriptor = |
| CreateTextureViewDescriptor(baseMipLevel, baseArrayLayer); |
| wgpu::TextureView view = texture.CreateView(&viewDescriptor); |
| |
| utils::BasicRenderPass renderPass = utils::BasicRenderPass(kSize, kSize, texture, kColorFormat); |
| |
| // Specify loadOp Load. Clear should be used to zero-initialize. |
| renderPass.renderPassInfo.cColorAttachments[0].loadOp = wgpu::LoadOp::Load; |
| // Specify non-zero clear color. It should still be cleared to zero. |
| renderPass.renderPassInfo.cColorAttachments[0].clearValue = {0.5f, 0.5f, 0.5f, 0.5f}; |
| renderPass.renderPassInfo.cColorAttachments[0].view = view; |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| { |
| // Texture's first usage is in BeginRenderPass's call to RecordRenderPass |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| pass.End(); |
| } |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| EXPECT_LAZY_CLEAR(0u, queue.Submit(1, &commands)); |
| |
| uint32_t mipSize = kSize >> 2; |
| std::vector<RGBA8> expected(mipSize * mipSize, {0, 0, 0, 0}); |
| |
| EXPECT_TEXTURE_EQ(expected.data(), renderPass.color, {0, 0, baseArrayLayer}, {mipSize, mipSize}, |
| baseMipLevel); |
| |
| // Expect texture subresource initialized to be true |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized( |
| renderPass.color.Get(), baseMipLevel, 1, baseArrayLayer, 1)); |
| } |
| |
| // Test that non-zero array layers clears subresource to Zero after first use. |
| // This goes through the BeginRenderPass's code path |
| TEST_P(TextureZeroInitTest, RenderingArrayLayerClearsToZero) { |
| uint32_t baseMipLevel = 0; |
| uint32_t levelCount = 1; |
| uint32_t baseArrayLayer = 2; |
| uint32_t layerCount = 4; |
| |
| wgpu::TextureDescriptor descriptor = CreateTextureDescriptor( |
| levelCount, layerCount, wgpu::TextureUsage::RenderAttachment | wgpu::TextureUsage::CopySrc, |
| kColorFormat); |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| |
| wgpu::TextureViewDescriptor viewDescriptor = |
| CreateTextureViewDescriptor(baseMipLevel, baseArrayLayer); |
| wgpu::TextureView view = texture.CreateView(&viewDescriptor); |
| |
| utils::BasicRenderPass renderPass = utils::BasicRenderPass(kSize, kSize, texture, kColorFormat); |
| |
| // Specify loadOp Load. Clear should be used to zero-initialize. |
| renderPass.renderPassInfo.cColorAttachments[0].loadOp = wgpu::LoadOp::Load; |
| // Specify non-zero clear color. It should still be cleared to zero. |
| renderPass.renderPassInfo.cColorAttachments[0].clearValue = {0.5f, 0.5f, 0.5f, 0.5f}; |
| renderPass.renderPassInfo.cColorAttachments[0].view = view; |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| { |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| pass.End(); |
| } |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| EXPECT_LAZY_CLEAR(0u, queue.Submit(1, &commands)); |
| |
| std::vector<RGBA8> expected(kSize * kSize, {0, 0, 0, 0}); |
| |
| EXPECT_TEXTURE_EQ(expected.data(), renderPass.color, {0, 0, baseArrayLayer}, {kSize, kSize}, |
| baseMipLevel); |
| |
| // Expect texture subresource initialized to be true |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized( |
| renderPass.color.Get(), baseMipLevel, 1, baseArrayLayer, 1)); |
| } |
| |
| // This tests CopyBufferToTexture fully overwrites copy so lazy init is not needed. |
| TEST_P(TextureZeroInitTest, CopyBufferToTexture) { |
| wgpu::TextureDescriptor descriptor = |
| CreateTextureDescriptor(4, 1, |
| wgpu::TextureUsage::CopyDst | wgpu::TextureUsage::TextureBinding | |
| wgpu::TextureUsage::CopySrc, |
| kColorFormat); |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| |
| std::vector<uint8_t> data(kFormatBlockByteSize * kSize * kSize, 100); |
| wgpu::Buffer stagingBuffer = utils::CreateBufferFromData( |
| device, data.data(), static_cast<uint32_t>(data.size()), wgpu::BufferUsage::CopySrc); |
| |
| wgpu::ImageCopyBuffer imageCopyBuffer = |
| utils::CreateImageCopyBuffer(stagingBuffer, 0, kSize * sizeof(uint32_t)); |
| wgpu::ImageCopyTexture imageCopyTexture = utils::CreateImageCopyTexture(texture, 0, {0, 0, 0}); |
| wgpu::Extent3D copySize = {kSize, kSize, 1}; |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| encoder.CopyBufferToTexture(&imageCopyBuffer, &imageCopyTexture, ©Size); |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| EXPECT_LAZY_CLEAR(0u, queue.Submit(1, &commands)); |
| |
| std::vector<RGBA8> expected(kSize * kSize, {100, 100, 100, 100}); |
| |
| EXPECT_TEXTURE_EQ(expected.data(), texture, {0, 0}, {kSize, kSize}); |
| |
| // Expect texture subresource initialized to be true |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized(texture.Get(), 0, 1, 0, 1)); |
| } |
| |
| // Test for a copy only to a subset of the subresource, lazy init is necessary to clear the other |
| // half. |
| TEST_P(TextureZeroInitTest, CopyBufferToTextureHalf) { |
| wgpu::TextureDescriptor descriptor = |
| CreateTextureDescriptor(4, 1, |
| wgpu::TextureUsage::CopyDst | wgpu::TextureUsage::TextureBinding | |
| wgpu::TextureUsage::CopySrc, |
| kColorFormat); |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| |
| std::vector<uint8_t> data(kFormatBlockByteSize * kSize * kSize, 100); |
| wgpu::Buffer stagingBuffer = utils::CreateBufferFromData( |
| device, data.data(), static_cast<uint32_t>(data.size()), wgpu::BufferUsage::CopySrc); |
| |
| wgpu::ImageCopyBuffer imageCopyBuffer = |
| utils::CreateImageCopyBuffer(stagingBuffer, 0, kSize * sizeof(uint16_t)); |
| wgpu::ImageCopyTexture imageCopyTexture = utils::CreateImageCopyTexture(texture, 0, {0, 0, 0}); |
| wgpu::Extent3D copySize = {kSize / 2, kSize, 1}; |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| encoder.CopyBufferToTexture(&imageCopyBuffer, &imageCopyTexture, ©Size); |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| EXPECT_LAZY_CLEAR(1u, queue.Submit(1, &commands)); |
| |
| std::vector<RGBA8> expected100((kSize / 2) * kSize, {100, 100, 100, 100}); |
| std::vector<RGBA8> expectedZeros((kSize / 2) * kSize, {0, 0, 0, 0}); |
| // first half filled with 100, by the buffer data |
| EXPECT_TEXTURE_EQ(expected100.data(), texture, {0, 0}, {kSize / 2, kSize}); |
| // second half should be cleared |
| EXPECT_TEXTURE_EQ(expectedZeros.data(), texture, {kSize / 2, 0}, {kSize / 2, kSize}); |
| |
| // Expect texture subresource initialized to be true |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized(texture.Get(), 0, 1, 0, 1)); |
| } |
| |
| // This tests CopyBufferToTexture fully overwrites a range of subresources, so lazy initialization |
| // is needed for neither the subresources involved in the copy nor the other subresources. |
| TEST_P(TextureZeroInitTest, CopyBufferToTextureMultipleArrayLayers) { |
| wgpu::TextureDescriptor descriptor = CreateTextureDescriptor( |
| 1, 6, wgpu::TextureUsage::CopyDst | wgpu::TextureUsage::CopySrc, kColorFormat); |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| |
| constexpr uint32_t kBaseArrayLayer = 2u; |
| constexpr uint32_t kCopyLayerCount = 3u; |
| std::vector<uint8_t> data(kFormatBlockByteSize * kSize * kSize * kCopyLayerCount, 100); |
| wgpu::Buffer stagingBuffer = utils::CreateBufferFromData( |
| device, data.data(), static_cast<uint32_t>(data.size()), wgpu::BufferUsage::CopySrc); |
| |
| const wgpu::ImageCopyBuffer imageCopyBuffer = |
| utils::CreateImageCopyBuffer(stagingBuffer, 0, kSize * kFormatBlockByteSize, kSize); |
| const wgpu::ImageCopyTexture imageCopyTexture = |
| utils::CreateImageCopyTexture(texture, 0, {0, 0, kBaseArrayLayer}); |
| const wgpu::Extent3D copySize = {kSize, kSize, kCopyLayerCount}; |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| encoder.CopyBufferToTexture(&imageCopyBuffer, &imageCopyTexture, ©Size); |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| |
| // The copy overwrites the whole subresources so we don't need to do lazy initialization on |
| // them. |
| EXPECT_LAZY_CLEAR(0u, queue.Submit(1, &commands)); |
| |
| // Expect texture subresource initialized to be true |
| EXPECT_TRUE(dawn::native::IsTextureSubresourceInitialized(texture.Get(), 0, 1, kBaseArrayLayer, |
| kCopyLayerCount)); |
| |
| const std::vector<RGBA8> expected100(kSize * kSize, {100, 100, 100, 100}); |
| for (uint32_t layer = kBaseArrayLayer; layer < kBaseArrayLayer + kCopyLayerCount; ++layer) { |
| EXPECT_TEXTURE_EQ(expected100.data(), texture, {0, 0, layer}, {kSize, kSize}); |
| } |
| } |
| |
| // This tests CopyTextureToTexture fully overwrites copy so lazy init is not needed. |
| TEST_P(TextureZeroInitTest, CopyTextureToTexture) { |
| wgpu::TextureDescriptor srcDescriptor = CreateTextureDescriptor( |
| 1, 1, wgpu::TextureUsage::TextureBinding | wgpu::TextureUsage::CopySrc, kColorFormat); |
| wgpu::Texture srcTexture = device.CreateTexture(&srcDescriptor); |
| |
| wgpu::ImageCopyTexture srcImageCopyTexture = |
| utils::CreateImageCopyTexture(srcTexture, 0, {0, 0, 0}); |
| |
| wgpu::TextureDescriptor dstDescriptor = |
| CreateTextureDescriptor(1, 1, |
| wgpu::TextureUsage::RenderAttachment | wgpu::TextureUsage::CopyDst | |
| wgpu::TextureUsage::CopySrc, |
| kColorFormat); |
| wgpu::Texture dstTexture = device.CreateTexture(&dstDescriptor); |
| |
| wgpu::ImageCopyTexture dstImageCopyTexture = |
| utils::CreateImageCopyTexture(dstTexture, 0, {0, 0, 0}); |
| |
| wgpu::Extent3D copySize = {kSize, kSize, 1}; |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| encoder.CopyTextureToTexture(&srcImageCopyTexture, &dstImageCopyTexture, ©Size); |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| EXPECT_LAZY_CLEAR(1u, queue.Submit(1, &commands)); |
| |
| std::vector<RGBA8> expected(kSize * kSize, {0, 0, 0, 0}); |
| |
| EXPECT_TEXTURE_EQ(expected.data(), srcTexture, {0, 0}, {kSize, kSize}); |
| EXPECT_TEXTURE_EQ(expected.data(), dstTexture, {0, 0}, {kSize, kSize}); |
| |
| // Expect texture subresource initialized to be true |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized(srcTexture.Get(), 0, 1, 0, 1)); |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized(dstTexture.Get(), 0, 1, 0, 1)); |
| } |
| |
| // This Tests the CopyTextureToTexture's copy only to a subset of the subresource, lazy init is |
| // necessary to clear the other half. |
| TEST_P(TextureZeroInitTest, CopyTextureToTextureHalf) { |
| wgpu::TextureDescriptor srcDescriptor = |
| CreateTextureDescriptor(1, 1, |
| wgpu::TextureUsage::TextureBinding | wgpu::TextureUsage::CopySrc | |
| wgpu::TextureUsage::CopyDst, |
| kColorFormat); |
| wgpu::Texture srcTexture = device.CreateTexture(&srcDescriptor); |
| |
| // fill srcTexture with 100 |
| { |
| std::vector<uint8_t> data(kFormatBlockByteSize * kSize * kSize, 100); |
| wgpu::Buffer stagingBuffer = utils::CreateBufferFromData( |
| device, data.data(), static_cast<uint32_t>(data.size()), wgpu::BufferUsage::CopySrc); |
| wgpu::ImageCopyBuffer imageCopyBuffer = |
| utils::CreateImageCopyBuffer(stagingBuffer, 0, kSize * kFormatBlockByteSize); |
| wgpu::ImageCopyTexture imageCopyTexture = |
| utils::CreateImageCopyTexture(srcTexture, 0, {0, 0, 0}); |
| wgpu::Extent3D copySize = {kSize, kSize, 1}; |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| encoder.CopyBufferToTexture(&imageCopyBuffer, &imageCopyTexture, ©Size); |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| } |
| |
| wgpu::ImageCopyTexture srcImageCopyTexture = |
| utils::CreateImageCopyTexture(srcTexture, 0, {0, 0, 0}); |
| |
| wgpu::TextureDescriptor dstDescriptor = |
| CreateTextureDescriptor(1, 1, |
| wgpu::TextureUsage::RenderAttachment | wgpu::TextureUsage::CopyDst | |
| wgpu::TextureUsage::CopySrc, |
| kColorFormat); |
| wgpu::Texture dstTexture = device.CreateTexture(&dstDescriptor); |
| |
| wgpu::ImageCopyTexture dstImageCopyTexture = |
| utils::CreateImageCopyTexture(dstTexture, 0, {0, 0, 0}); |
| wgpu::Extent3D copySize = {kSize / 2, kSize, 1}; |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| encoder.CopyTextureToTexture(&srcImageCopyTexture, &dstImageCopyTexture, ©Size); |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| EXPECT_LAZY_CLEAR(1u, queue.Submit(1, &commands)); |
| |
| std::vector<RGBA8> expectedWithZeros((kSize / 2) * kSize, {0, 0, 0, 0}); |
| std::vector<RGBA8> expectedWith100(kSize * kSize, {100, 100, 100, 100}); |
| |
| EXPECT_TEXTURE_EQ(expectedWith100.data(), srcTexture, {0, 0}, {kSize, kSize}); |
| EXPECT_TEXTURE_EQ(expectedWith100.data(), dstTexture, {0, 0}, {kSize / 2, kSize}); |
| EXPECT_TEXTURE_EQ(expectedWithZeros.data(), dstTexture, {kSize / 2, 0}, {kSize / 2, kSize}); |
| |
| // Expect texture subresource initialized to be true |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized(srcTexture.Get(), 0, 1, 0, 1)); |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized(dstTexture.Get(), 0, 1, 0, 1)); |
| } |
| |
| // This tests the texture with depth attachment and load op load will init depth stencil texture to |
| // 0s. |
| TEST_P(TextureZeroInitTest, RenderingLoadingDepth) { |
| // TODO(crbug.com/dawn/1423): Investigate why this test fails on Windows Vulkan drivers |
| DAWN_SUPPRESS_TEST_IF(IsWindows() && IsVulkan()); |
| |
| wgpu::TextureDescriptor srcDescriptor = |
| CreateTextureDescriptor(1, 1, |
| wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::CopyDst | |
| wgpu::TextureUsage::RenderAttachment, |
| kColorFormat); |
| wgpu::Texture srcTexture = device.CreateTexture(&srcDescriptor); |
| |
| wgpu::TextureDescriptor depthStencilDescriptor = CreateTextureDescriptor( |
| 1, 1, wgpu::TextureUsage::RenderAttachment | wgpu::TextureUsage::CopySrc, |
| kDepthStencilFormat); |
| wgpu::Texture depthStencilTexture = device.CreateTexture(&depthStencilDescriptor); |
| |
| utils::ComboRenderPassDescriptor renderPassDescriptor({srcTexture.CreateView()}, |
| depthStencilTexture.CreateView()); |
| renderPassDescriptor.cDepthStencilAttachmentInfo.depthLoadOp = wgpu::LoadOp::Load; |
| // Set clearDepth to non-zero. It should still be cleared to 0 by the loadOp. |
| renderPassDescriptor.cDepthStencilAttachmentInfo.depthClearValue = 0.5f; |
| renderPassDescriptor.cDepthStencilAttachmentInfo.stencilLoadOp = wgpu::LoadOp::Clear; |
| renderPassDescriptor.cDepthStencilAttachmentInfo.stencilClearValue = 0; |
| renderPassDescriptor.cDepthStencilAttachmentInfo.depthStoreOp = wgpu::StoreOp::Store; |
| renderPassDescriptor.cDepthStencilAttachmentInfo.stencilStoreOp = wgpu::StoreOp::Store; |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| auto pass = encoder.BeginRenderPass(&renderPassDescriptor); |
| pass.SetPipeline(CreatePipelineForTest()); |
| pass.Draw(6); |
| pass.End(); |
| wgpu::CommandBuffer commandBuffer = encoder.Finish(); |
| // Expect 0 lazy clears, depth stencil texture will clear using loadop |
| EXPECT_LAZY_CLEAR(0u, queue.Submit(1, &commandBuffer)); |
| |
| // Expect the texture to be red because depth test passed. |
| std::vector<RGBA8> expected(kSize * kSize, {255, 0, 0, 255}); |
| EXPECT_TEXTURE_EQ(expected.data(), srcTexture, {0, 0}, {kSize, kSize}); |
| |
| // Expect texture subresource initialized to be true |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized(srcTexture.Get(), 0, 1, 0, 1)); |
| } |
| |
| // This tests the texture with stencil attachment and load op load will init depth stencil texture |
| // to 0s. |
| TEST_P(TextureZeroInitTest, RenderingLoadingStencil) { |
| // TODO(crbug.com/dawn/1423): Investigate why this test fails on Windows Vulkan drivers |
| DAWN_SUPPRESS_TEST_IF(IsWindows() && IsVulkan()); |
| |
| wgpu::TextureDescriptor srcDescriptor = |
| CreateTextureDescriptor(1, 1, |
| wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::CopyDst | |
| wgpu::TextureUsage::RenderAttachment, |
| kColorFormat); |
| wgpu::Texture srcTexture = device.CreateTexture(&srcDescriptor); |
| |
| wgpu::TextureDescriptor depthStencilDescriptor = CreateTextureDescriptor( |
| 1, 1, wgpu::TextureUsage::RenderAttachment | wgpu::TextureUsage::CopySrc, |
| kDepthStencilFormat); |
| wgpu::Texture depthStencilTexture = device.CreateTexture(&depthStencilDescriptor); |
| |
| utils::ComboRenderPassDescriptor renderPassDescriptor({srcTexture.CreateView()}, |
| depthStencilTexture.CreateView()); |
| renderPassDescriptor.cDepthStencilAttachmentInfo.depthLoadOp = wgpu::LoadOp::Clear; |
| renderPassDescriptor.cDepthStencilAttachmentInfo.depthClearValue = 0.0f; |
| renderPassDescriptor.cDepthStencilAttachmentInfo.stencilLoadOp = wgpu::LoadOp::Load; |
| // Set clearStencil to non-zero. It should still be cleared to 0 by the loadOp. |
| renderPassDescriptor.cDepthStencilAttachmentInfo.stencilClearValue = 2; |
| renderPassDescriptor.cDepthStencilAttachmentInfo.depthStoreOp = wgpu::StoreOp::Store; |
| renderPassDescriptor.cDepthStencilAttachmentInfo.stencilStoreOp = wgpu::StoreOp::Store; |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| auto pass = encoder.BeginRenderPass(&renderPassDescriptor); |
| pass.SetPipeline(CreatePipelineForTest()); |
| pass.Draw(6); |
| pass.End(); |
| wgpu::CommandBuffer commandBuffer = encoder.Finish(); |
| // Expect 0 lazy clears, depth stencil texture will clear using loadop |
| EXPECT_LAZY_CLEAR(0u, queue.Submit(1, &commandBuffer)); |
| |
| // Expect the texture to be red because stencil test passed. |
| std::vector<RGBA8> expected(kSize * kSize, {255, 0, 0, 255}); |
| EXPECT_TEXTURE_EQ(expected.data(), srcTexture, {0, 0}, {kSize, kSize}); |
| |
| // Expect texture subresource initialized to be true |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized(srcTexture.Get(), 0, 1, 0, 1)); |
| } |
| |
| // This tests the texture with depth stencil attachment and load op load will init depth stencil |
| // texture to 0s. |
| TEST_P(TextureZeroInitTest, RenderingLoadingDepthStencil) { |
| // TODO(crbug.com/dawn/1423): Investigate why this test fails on Windows Vulkan drivers |
| DAWN_SUPPRESS_TEST_IF(IsWindows() && IsVulkan()); |
| |
| wgpu::TextureDescriptor srcDescriptor = |
| CreateTextureDescriptor(1, 1, |
| wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::CopyDst | |
| wgpu::TextureUsage::RenderAttachment, |
| kColorFormat); |
| wgpu::Texture srcTexture = device.CreateTexture(&srcDescriptor); |
| |
| wgpu::TextureDescriptor depthStencilDescriptor = CreateTextureDescriptor( |
| 1, 1, wgpu::TextureUsage::RenderAttachment | wgpu::TextureUsage::CopySrc, |
| kDepthStencilFormat); |
| wgpu::Texture depthStencilTexture = device.CreateTexture(&depthStencilDescriptor); |
| |
| utils::ComboRenderPassDescriptor renderPassDescriptor({srcTexture.CreateView()}, |
| depthStencilTexture.CreateView()); |
| renderPassDescriptor.cDepthStencilAttachmentInfo.depthLoadOp = wgpu::LoadOp::Load; |
| renderPassDescriptor.cDepthStencilAttachmentInfo.stencilLoadOp = wgpu::LoadOp::Load; |
| renderPassDescriptor.cDepthStencilAttachmentInfo.depthStoreOp = wgpu::StoreOp::Store; |
| renderPassDescriptor.cDepthStencilAttachmentInfo.stencilStoreOp = wgpu::StoreOp::Store; |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| auto pass = encoder.BeginRenderPass(&renderPassDescriptor); |
| pass.SetPipeline(CreatePipelineForTest()); |
| pass.Draw(6); |
| pass.End(); |
| wgpu::CommandBuffer commandBuffer = encoder.Finish(); |
| // Expect 0 lazy clears, depth stencil texture will clear using loadop |
| EXPECT_LAZY_CLEAR(0u, queue.Submit(1, &commandBuffer)); |
| |
| // Expect the texture to be red because both depth and stencil tests passed. |
| std::vector<RGBA8> expected(kSize * kSize, {255, 0, 0, 255}); |
| EXPECT_TEXTURE_EQ(expected.data(), srcTexture, {0, 0}, {kSize, kSize}); |
| |
| // Expect texture subresource initialized to be true |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized(srcTexture.Get(), 0, 1, 0, 1)); |
| } |
| |
| // Test that clear state is tracked independently for depth/stencil textures. |
| TEST_P(TextureZeroInitTest, IndependentDepthStencilLoadAfterDiscard) { |
| // TODO(crbug.com/dawn/704): Readback after clear via stencil copy does not work |
| // on some Intel drivers. |
| DAWN_SUPPRESS_TEST_IF(IsMetal() && IsIntel()); |
| |
| wgpu::TextureDescriptor depthStencilDescriptor = CreateTextureDescriptor( |
| 1, 1, wgpu::TextureUsage::RenderAttachment | wgpu::TextureUsage::CopySrc, |
| kDepthStencilFormat); |
| wgpu::Texture depthStencilTexture = device.CreateTexture(&depthStencilDescriptor); |
| |
| // Uninitialize only depth |
| { |
| // Clear the stencil to 2 and discard the depth |
| { |
| utils::ComboRenderPassDescriptor renderPassDescriptor({}, |
| depthStencilTexture.CreateView()); |
| renderPassDescriptor.cDepthStencilAttachmentInfo.depthStoreOp = wgpu::StoreOp::Discard; |
| renderPassDescriptor.cDepthStencilAttachmentInfo.stencilClearValue = 2; |
| renderPassDescriptor.cDepthStencilAttachmentInfo.stencilStoreOp = wgpu::StoreOp::Store; |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| auto pass = encoder.BeginRenderPass(&renderPassDescriptor); |
| pass.End(); |
| wgpu::CommandBuffer commandBuffer = encoder.Finish(); |
| EXPECT_LAZY_CLEAR(0u, queue.Submit(1, &commandBuffer)); |
| } |
| |
| // "all" subresources are not initialized; Depth is not initialized |
| EXPECT_EQ(false, dawn::native::IsTextureSubresourceInitialized( |
| depthStencilTexture.Get(), 0, 1, 0, 1, WGPUTextureAspect_All)); |
| EXPECT_EQ(false, dawn::native::IsTextureSubresourceInitialized( |
| depthStencilTexture.Get(), 0, 1, 0, 1, WGPUTextureAspect_DepthOnly)); |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized( |
| depthStencilTexture.Get(), 0, 1, 0, 1, WGPUTextureAspect_StencilOnly)); |
| |
| // Now load both depth and stencil. Depth should be cleared and stencil should stay the same |
| // at 2. |
| { |
| wgpu::TextureDescriptor colorDescriptor = |
| CreateTextureDescriptor(1, 1, |
| wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::CopyDst | |
| wgpu::TextureUsage::RenderAttachment, |
| kColorFormat); |
| wgpu::Texture colorTexture = device.CreateTexture(&colorDescriptor); |
| |
| utils::ComboRenderPassDescriptor renderPassDescriptor({colorTexture.CreateView()}, |
| depthStencilTexture.CreateView()); |
| renderPassDescriptor.cDepthStencilAttachmentInfo.depthLoadOp = wgpu::LoadOp::Load; |
| renderPassDescriptor.cDepthStencilAttachmentInfo.stencilLoadOp = wgpu::LoadOp::Load; |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| auto pass = encoder.BeginRenderPass(&renderPassDescriptor); |
| pass.SetPipeline(CreatePipelineForTest()); |
| pass.SetStencilReference(2); |
| pass.Draw(6); |
| pass.End(); |
| wgpu::CommandBuffer commandBuffer = encoder.Finish(); |
| // No lazy clear because depth will be cleared with a loadOp |
| EXPECT_LAZY_CLEAR(0u, queue.Submit(1, &commandBuffer)); |
| |
| // Expect the texture to be red because the depth and stencil tests passed. Depth was 0 |
| // and stencil was 2. |
| std::vector<RGBA8> expected(kSize * kSize, {255, 0, 0, 255}); |
| EXPECT_TEXTURE_EQ(expected.data(), colorTexture, {0, 0}, {kSize, kSize}); |
| } |
| |
| // Everything is initialized now |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized( |
| depthStencilTexture.Get(), 0, 1, 0, 1, WGPUTextureAspect_All)); |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized( |
| depthStencilTexture.Get(), 0, 1, 0, 1, WGPUTextureAspect_DepthOnly)); |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized( |
| depthStencilTexture.Get(), 0, 1, 0, 1, WGPUTextureAspect_StencilOnly)); |
| |
| // TODO(crbug.com/dawn/439): Implement stencil copies on other platforms |
| if (IsMetal() || IsVulkan() || IsD3D12()) { |
| // Check by copy that the stencil data is 2. |
| std::vector<uint8_t> expected(kSize * kSize, 2); |
| EXPECT_LAZY_CLEAR( |
| 0u, EXPECT_TEXTURE_EQ(expected.data(), depthStencilTexture, {0, 0}, {kSize, kSize}, |
| 0, wgpu::TextureAspect::StencilOnly)); |
| } |
| } |
| |
| // Uninitialize only stencil |
| { |
| // Clear the depth to 0.7 and discard the stencil. |
| { |
| utils::ComboRenderPassDescriptor renderPassDescriptor({}, |
| depthStencilTexture.CreateView()); |
| renderPassDescriptor.cDepthStencilAttachmentInfo.depthClearValue = 0.7; |
| renderPassDescriptor.cDepthStencilAttachmentInfo.depthStoreOp = wgpu::StoreOp::Store; |
| renderPassDescriptor.cDepthStencilAttachmentInfo.stencilStoreOp = |
| wgpu::StoreOp::Discard; |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| auto pass = encoder.BeginRenderPass(&renderPassDescriptor); |
| pass.End(); |
| wgpu::CommandBuffer commandBuffer = encoder.Finish(); |
| EXPECT_LAZY_CLEAR(0u, queue.Submit(1, &commandBuffer)); |
| } |
| |
| // "all" subresources are not initialized; Stencil is not initialized |
| EXPECT_EQ(false, dawn::native::IsTextureSubresourceInitialized( |
| depthStencilTexture.Get(), 0, 1, 0, 1, WGPUTextureAspect_All)); |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized( |
| depthStencilTexture.Get(), 0, 1, 0, 1, WGPUTextureAspect_DepthOnly)); |
| EXPECT_EQ(false, dawn::native::IsTextureSubresourceInitialized( |
| depthStencilTexture.Get(), 0, 1, 0, 1, WGPUTextureAspect_StencilOnly)); |
| |
| // Now load both depth and stencil. Stencil should be cleared and depth should stay the same |
| // at 0.7. |
| { |
| wgpu::TextureDescriptor colorDescriptor = |
| CreateTextureDescriptor(1, 1, |
| wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::CopyDst | |
| wgpu::TextureUsage::RenderAttachment, |
| kColorFormat); |
| wgpu::Texture colorTexture = device.CreateTexture(&colorDescriptor); |
| |
| utils::ComboRenderPassDescriptor renderPassDescriptor({colorTexture.CreateView()}, |
| depthStencilTexture.CreateView()); |
| renderPassDescriptor.cDepthStencilAttachmentInfo.depthLoadOp = wgpu::LoadOp::Load; |
| renderPassDescriptor.cDepthStencilAttachmentInfo.stencilLoadOp = wgpu::LoadOp::Load; |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| auto pass = encoder.BeginRenderPass(&renderPassDescriptor); |
| pass.SetPipeline(CreatePipelineForTest(0.7)); |
| pass.Draw(6); |
| pass.End(); |
| wgpu::CommandBuffer commandBuffer = encoder.Finish(); |
| // No lazy clear because stencil will clear using a loadOp. |
| EXPECT_LAZY_CLEAR(0u, queue.Submit(1, &commandBuffer)); |
| |
| // Expect the texture to be red because both the depth a stencil tests passed. |
| // Depth was 0.7 and stencil was 0 |
| std::vector<RGBA8> expected(kSize * kSize, {255, 0, 0, 255}); |
| EXPECT_TEXTURE_EQ(expected.data(), colorTexture, {0, 0}, {kSize, kSize}); |
| } |
| |
| // Everything is initialized now |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized( |
| depthStencilTexture.Get(), 0, 1, 0, 1, WGPUTextureAspect_All)); |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized( |
| depthStencilTexture.Get(), 0, 1, 0, 1, WGPUTextureAspect_DepthOnly)); |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized( |
| depthStencilTexture.Get(), 0, 1, 0, 1, WGPUTextureAspect_StencilOnly)); |
| |
| // TODO(crbug.com/dawn/439): Implement stencil copies on other platforms |
| if (IsMetal() || IsVulkan() || IsD3D12()) { |
| // Check by copy that the stencil data is 0. |
| std::vector<uint8_t> expected(kSize * kSize, 0); |
| EXPECT_LAZY_CLEAR( |
| 0u, EXPECT_TEXTURE_EQ(expected.data(), depthStencilTexture, {0, 0}, {kSize, kSize}, |
| 0, wgpu::TextureAspect::StencilOnly)); |
| } |
| } |
| } |
| |
| // Test that clear state is tracked independently for depth/stencil textures. |
| // Lazy clear of the stencil aspect via copy should not touch depth. |
| TEST_P(TextureZeroInitTest, IndependentDepthStencilCopyAfterDiscard) { |
| // TODO(crbug.com/dawn/439): Implement stencil copies on other platforms |
| DAWN_SUPPRESS_TEST_IF(!(IsMetal() || IsVulkan() || IsD3D12())); |
| |
| // TODO(enga): Figure out why this fails on Metal Intel. |
| DAWN_SUPPRESS_TEST_IF(IsMetal() && IsIntel()); |
| |
| wgpu::TextureDescriptor depthStencilDescriptor = CreateTextureDescriptor( |
| 1, 1, wgpu::TextureUsage::RenderAttachment | wgpu::TextureUsage::CopySrc, |
| kDepthStencilFormat); |
| wgpu::Texture depthStencilTexture = device.CreateTexture(&depthStencilDescriptor); |
| |
| // Clear the depth to 0.3 and discard the stencil. |
| { |
| utils::ComboRenderPassDescriptor renderPassDescriptor({}, depthStencilTexture.CreateView()); |
| renderPassDescriptor.cDepthStencilAttachmentInfo.depthClearValue = 0.3; |
| renderPassDescriptor.cDepthStencilAttachmentInfo.depthStoreOp = wgpu::StoreOp::Store; |
| renderPassDescriptor.cDepthStencilAttachmentInfo.stencilStoreOp = wgpu::StoreOp::Discard; |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| auto pass = encoder.BeginRenderPass(&renderPassDescriptor); |
| pass.End(); |
| wgpu::CommandBuffer commandBuffer = encoder.Finish(); |
| EXPECT_LAZY_CLEAR(0u, queue.Submit(1, &commandBuffer)); |
| } |
| |
| // "all" subresources are not initialized; Stencil is not initialized |
| EXPECT_EQ(false, dawn::native::IsTextureSubresourceInitialized(depthStencilTexture.Get(), 0, 1, |
| 0, 1, WGPUTextureAspect_All)); |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized( |
| depthStencilTexture.Get(), 0, 1, 0, 1, WGPUTextureAspect_DepthOnly)); |
| EXPECT_EQ(false, dawn::native::IsTextureSubresourceInitialized( |
| depthStencilTexture.Get(), 0, 1, 0, 1, WGPUTextureAspect_StencilOnly)); |
| |
| // Check by copy that the stencil data is lazily cleared to 0. |
| std::vector<uint8_t> expected(kSize * kSize, 0); |
| EXPECT_LAZY_CLEAR(1u, EXPECT_TEXTURE_EQ(expected.data(), depthStencilTexture, {0, 0}, |
| {kSize, kSize}, 0, wgpu::TextureAspect::StencilOnly)); |
| |
| // Everything is initialized now |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized(depthStencilTexture.Get(), 0, 1, |
| 0, 1, WGPUTextureAspect_All)); |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized( |
| depthStencilTexture.Get(), 0, 1, 0, 1, WGPUTextureAspect_DepthOnly)); |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized( |
| depthStencilTexture.Get(), 0, 1, 0, 1, WGPUTextureAspect_StencilOnly)); |
| |
| // Now load both depth and stencil. Stencil should be cleared and depth should stay the same |
| // at 0.3. |
| { |
| wgpu::TextureDescriptor colorDescriptor = |
| CreateTextureDescriptor(1, 1, |
| wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::CopyDst | |
| wgpu::TextureUsage::RenderAttachment, |
| kColorFormat); |
| wgpu::Texture colorTexture = device.CreateTexture(&colorDescriptor); |
| |
| utils::ComboRenderPassDescriptor renderPassDescriptor({colorTexture.CreateView()}, |
| depthStencilTexture.CreateView()); |
| renderPassDescriptor.cDepthStencilAttachmentInfo.depthLoadOp = wgpu::LoadOp::Load; |
| renderPassDescriptor.cDepthStencilAttachmentInfo.stencilLoadOp = wgpu::LoadOp::Load; |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| auto pass = encoder.BeginRenderPass(&renderPassDescriptor); |
| pass.SetPipeline(CreatePipelineForTest(0.3)); |
| pass.Draw(6); |
| pass.End(); |
| wgpu::CommandBuffer commandBuffer = encoder.Finish(); |
| // No lazy clear because stencil will clear using a loadOp. |
| EXPECT_LAZY_CLEAR(0u, queue.Submit(1, &commandBuffer)); |
| |
| // Expect the texture to be red because both the depth a stencil tests passed. |
| // Depth was 0.3 and stencil was 0 |
| std::vector<RGBA8> expected(kSize * kSize, {255, 0, 0, 255}); |
| EXPECT_TEXTURE_EQ(expected.data(), colorTexture, {0, 0}, {kSize, kSize}); |
| } |
| } |
| |
| // This tests the color attachments clear to 0s |
| TEST_P(TextureZeroInitTest, ColorAttachmentsClear) { |
| wgpu::TextureDescriptor descriptor = CreateTextureDescriptor( |
| 1, 1, wgpu::TextureUsage::RenderAttachment | wgpu::TextureUsage::CopySrc, kColorFormat); |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| utils::BasicRenderPass renderPass = utils::BasicRenderPass(kSize, kSize, texture, kColorFormat); |
| renderPass.renderPassInfo.cColorAttachments[0].loadOp = wgpu::LoadOp::Load; |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| pass.End(); |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| EXPECT_LAZY_CLEAR(0u, queue.Submit(1, &commands)); |
| |
| std::vector<RGBA8> expected(kSize * kSize, {0, 0, 0, 0}); |
| EXPECT_TEXTURE_EQ(expected.data(), renderPass.color, {0, 0}, {kSize, kSize}); |
| |
| // Expect texture subresource initialized to be true |
| EXPECT_EQ(true, |
| dawn::native::IsTextureSubresourceInitialized(renderPass.color.Get(), 0, 1, 0, 1)); |
| } |
| |
| // This tests the clearing of sampled textures in render pass |
| TEST_P(TextureZeroInitTest, RenderPassSampledTextureClear) { |
| // Create needed resources |
| wgpu::TextureDescriptor descriptor = |
| CreateTextureDescriptor(1, 1, wgpu::TextureUsage::TextureBinding, kColorFormat); |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| |
| wgpu::TextureDescriptor renderTextureDescriptor = CreateTextureDescriptor( |
| 1, 1, wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::RenderAttachment, kColorFormat); |
| wgpu::Texture renderTexture = device.CreateTexture(&renderTextureDescriptor); |
| |
| // Create render pipeline |
| utils::ComboRenderPipelineDescriptor renderPipelineDescriptor; |
| renderPipelineDescriptor.cTargets[0].format = kColorFormat; |
| renderPipelineDescriptor.vertex.module = CreateBasicVertexShaderForTest(); |
| renderPipelineDescriptor.cFragment.module = CreateSampledTextureFragmentShaderForTest(); |
| wgpu::RenderPipeline renderPipeline = device.CreateRenderPipeline(&renderPipelineDescriptor); |
| |
| // Create bindgroup |
| wgpu::BindGroup bindGroup = utils::MakeBindGroup(device, renderPipeline.GetBindGroupLayout(0), |
| {{0, texture.CreateView()}}); |
| |
| // Encode pass and submit |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| utils::ComboRenderPassDescriptor renderPassDesc({renderTexture.CreateView()}); |
| renderPassDesc.cColorAttachments[0].clearValue = {1.0, 1.0, 1.0, 1.0}; |
| renderPassDesc.cColorAttachments[0].loadOp = wgpu::LoadOp::Clear; |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPassDesc); |
| pass.SetPipeline(renderPipeline); |
| pass.SetBindGroup(0, bindGroup); |
| pass.Draw(6); |
| pass.End(); |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| // Expect 1 lazy clear for sampled texture |
| EXPECT_LAZY_CLEAR(1u, queue.Submit(1, &commands)); |
| |
| // Expect the rendered texture to be cleared |
| std::vector<RGBA8> expectedWithZeros(kSize * kSize, {0, 0, 0, 0}); |
| EXPECT_TEXTURE_EQ(expectedWithZeros.data(), renderTexture, {0, 0}, {kSize, kSize}); |
| |
| // Expect texture subresource initialized to be true |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized(renderTexture.Get(), 0, 1, 0, 1)); |
| } |
| |
| // This is a regression test for a bug where a texture wouldn't get clear for a pass if at least |
| // one of its subresources was used as an attachment. It tests that if a texture is used as both |
| // sampled and attachment (with LoadOp::Clear so the lazy clear can be skipped) then the sampled |
| // subresource is correctly cleared. |
| TEST_P(TextureZeroInitTest, TextureBothSampledAndAttachmentClear) { |
| // Create a 2D array texture, layer 0 will be used as attachment, layer 1 as sampled. |
| wgpu::TextureDescriptor texDesc; |
| texDesc.usage = wgpu::TextureUsage::TextureBinding | wgpu::TextureUsage::RenderAttachment | |
| wgpu::TextureUsage::CopySrc; |
| texDesc.size = {1, 1, 2}; |
| texDesc.format = wgpu::TextureFormat::RGBA8Unorm; |
| wgpu::Texture texture = device.CreateTexture(&texDesc); |
| |
| wgpu::TextureViewDescriptor viewDesc; |
| viewDesc.dimension = wgpu::TextureViewDimension::e2D; |
| viewDesc.arrayLayerCount = 1; |
| |
| viewDesc.baseArrayLayer = 0; |
| wgpu::TextureView attachmentView = texture.CreateView(&viewDesc); |
| |
| viewDesc.baseArrayLayer = 1; |
| wgpu::TextureView sampleView = texture.CreateView(&viewDesc); |
| |
| // Create render pipeline |
| utils::ComboRenderPipelineDescriptor renderPipelineDescriptor; |
| renderPipelineDescriptor.cTargets[0].format = wgpu::TextureFormat::RGBA8Unorm; |
| renderPipelineDescriptor.vertex.module = CreateBasicVertexShaderForTest(); |
| renderPipelineDescriptor.cFragment.module = CreateSampledTextureFragmentShaderForTest(); |
| wgpu::RenderPipeline renderPipeline = device.CreateRenderPipeline(&renderPipelineDescriptor); |
| |
| wgpu::BindGroup bindGroup = |
| utils::MakeBindGroup(device, renderPipeline.GetBindGroupLayout(0), {{0, sampleView}}); |
| |
| // Encode pass and submit |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| utils::ComboRenderPassDescriptor renderPassDesc({attachmentView}); |
| renderPassDesc.cColorAttachments[0].clearValue = {1.0, 1.0, 1.0, 1.0}; |
| renderPassDesc.cColorAttachments[0].loadOp = wgpu::LoadOp::Clear; |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPassDesc); |
| pass.SetPipeline(renderPipeline); |
| pass.SetBindGroup(0, bindGroup); |
| pass.Draw(6); |
| pass.End(); |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| |
| // Expect the lazy clear for the sampled subresource. |
| EXPECT_LAZY_CLEAR(1u, queue.Submit(1, &commands)); |
| |
| // Expect both subresources to be zero: the sampled one with lazy-clearing and the attachment |
| // because it sampled the lazy-cleared sampled subresource. |
| EXPECT_TEXTURE_EQ(&RGBA8::kZero, texture, {0, 0, 0}, {1, 1}); |
| EXPECT_TEXTURE_EQ(&RGBA8::kZero, texture, {0, 0, 1}, {1, 1}); |
| |
| // The whole texture is now initialized. |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized(texture.Get(), 0, 1, 0, 2)); |
| } |
| |
| // This tests the clearing of sampled textures during compute pass |
| TEST_P(TextureZeroInitTest, ComputePassSampledTextureClear) { |
| // Create needed resources |
| wgpu::TextureDescriptor descriptor = |
| CreateTextureDescriptor(1, 1, wgpu::TextureUsage::TextureBinding, kColorFormat); |
| descriptor.size.width = 1; |
| descriptor.size.height = 1; |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| |
| uint32_t bufferSize = kFormatBlockByteSize * sizeof(uint32_t); |
| wgpu::BufferDescriptor bufferDescriptor; |
| bufferDescriptor.size = bufferSize; |
| bufferDescriptor.usage = |
| wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::Storage | wgpu::BufferUsage::CopyDst; |
| wgpu::Buffer bufferTex = device.CreateBuffer(&bufferDescriptor); |
| // Add data to buffer to ensure it is initialized |
| uint32_t data = 100; |
| queue.WriteBuffer(bufferTex, 0, &data, sizeof(data)); |
| |
| wgpu::Sampler sampler = device.CreateSampler(); |
| |
| // Create compute pipeline |
| wgpu::ComputePipelineDescriptor computePipelineDescriptor; |
| wgpu::ProgrammableStageDescriptor compute; |
| const char* cs = R"( |
| @group(0) @binding(0) var tex : texture_2d<f32>; |
| struct Result { |
| value : vec4<f32> |
| } |
| @group(0) @binding(1) var<storage, read_write> result : Result; |
| @stage(compute) @workgroup_size(1) fn main() { |
| result.value = textureLoad(tex, vec2<i32>(0,0), 0); |
| } |
| )"; |
| computePipelineDescriptor.compute.module = utils::CreateShaderModule(device, cs); |
| computePipelineDescriptor.compute.entryPoint = "main"; |
| wgpu::ComputePipeline computePipeline = |
| device.CreateComputePipeline(&computePipelineDescriptor); |
| |
| // Create bindgroup |
| wgpu::BindGroup bindGroup = |
| utils::MakeBindGroup(device, computePipeline.GetBindGroupLayout(0), |
| {{0, texture.CreateView()}, {1, bufferTex, 0, bufferSize}}); |
| |
| // Encode the pass and submit |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::ComputePassEncoder pass = encoder.BeginComputePass(); |
| pass.SetPipeline(computePipeline); |
| pass.SetBindGroup(0, bindGroup); |
| pass.DispatchWorkgroups(1); |
| pass.End(); |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| EXPECT_LAZY_CLEAR(1u, queue.Submit(1, &commands)); |
| |
| // Expect the buffer to be zeroed out by the compute pass |
| std::vector<uint32_t> expectedWithZeros(bufferSize, 0); |
| EXPECT_BUFFER_U32_RANGE_EQ(expectedWithZeros.data(), bufferTex, 0, kFormatBlockByteSize); |
| |
| // Expect texture subresource initialized to be true |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized(texture.Get(), 0, 1, 0, 1)); |
| } |
| |
| // This tests that the code path of CopyTextureToBuffer clears correctly for non-renderable textures |
| TEST_P(TextureZeroInitTest, NonRenderableTextureClear) { |
| // TODO(crbug.com/dawn/667): Work around the fact that some platforms do not support reading |
| // from Snorm textures. |
| DAWN_TEST_UNSUPPORTED_IF(HasToggleEnabled("disable_snorm_read")); |
| |
| wgpu::TextureDescriptor descriptor = |
| CreateTextureDescriptor(1, 1, wgpu::TextureUsage::CopySrc, kNonrenderableColorFormat); |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| |
| // Set buffer with dirty data so we know it is cleared by the lazy cleared texture copy |
| uint32_t bytesPerRow = Align(kSize * kFormatBlockByteSize, kTextureBytesPerRowAlignment); |
| uint32_t bufferSize = bytesPerRow * kSize; |
| std::vector<uint8_t> data(bufferSize, 100); |
| wgpu::Buffer bufferDst = utils::CreateBufferFromData( |
| device, data.data(), static_cast<uint32_t>(data.size()), wgpu::BufferUsage::CopySrc); |
| |
| wgpu::ImageCopyBuffer imageCopyBuffer = utils::CreateImageCopyBuffer(bufferDst, 0, bytesPerRow); |
| wgpu::ImageCopyTexture imageCopyTexture = utils::CreateImageCopyTexture(texture, 0, {0, 0, 0}); |
| wgpu::Extent3D copySize = {kSize, kSize, 1}; |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| encoder.CopyTextureToBuffer(&imageCopyTexture, &imageCopyBuffer, ©Size); |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| EXPECT_LAZY_CLEAR(1u, queue.Submit(1, &commands)); |
| |
| std::vector<uint32_t> expectedWithZeros(bufferSize, 0); |
| EXPECT_BUFFER_U32_RANGE_EQ(expectedWithZeros.data(), bufferDst, 0, kSize); |
| |
| // Expect texture subresource initialized to be true |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized(texture.Get(), 0, 1, 0, 1)); |
| } |
| |
| // This tests that the code path of CopyTextureToBuffer clears correctly for non-renderable textures |
| TEST_P(TextureZeroInitTest, NonRenderableTextureClearUnalignedSize) { |
| // TODO(crbug.com/dawn/667): Work around the fact that some platforms do not support reading |
| // from Snorm textures. |
| DAWN_TEST_UNSUPPORTED_IF(HasToggleEnabled("disable_snorm_read")); |
| |
| wgpu::TextureDescriptor descriptor = |
| CreateTextureDescriptor(1, 1, wgpu::TextureUsage::CopySrc, kNonrenderableColorFormat); |
| descriptor.size.width = kUnalignedSize; |
| descriptor.size.height = kUnalignedSize; |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| |
| // Set buffer with dirty data so we know it is cleared by the lazy cleared texture copy |
| uint32_t bytesPerRow = |
| Align(kUnalignedSize * kFormatBlockByteSize, kTextureBytesPerRowAlignment); |
| uint32_t bufferSize = bytesPerRow * kUnalignedSize; |
| std::vector<uint8_t> data(bufferSize, 100); |
| wgpu::Buffer bufferDst = utils::CreateBufferFromData( |
| device, data.data(), static_cast<uint32_t>(data.size()), wgpu::BufferUsage::CopySrc); |
| wgpu::ImageCopyBuffer imageCopyBuffer = utils::CreateImageCopyBuffer(bufferDst, 0, bytesPerRow); |
| wgpu::ImageCopyTexture imageCopyTexture = utils::CreateImageCopyTexture(texture, 0, {0, 0, 0}); |
| wgpu::Extent3D copySize = {kUnalignedSize, kUnalignedSize, 1}; |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| encoder.CopyTextureToBuffer(&imageCopyTexture, &imageCopyBuffer, ©Size); |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| EXPECT_LAZY_CLEAR(1u, queue.Submit(1, &commands)); |
| |
| std::vector<uint32_t> expectedWithZeros(bufferSize, 0); |
| EXPECT_BUFFER_U32_RANGE_EQ(expectedWithZeros.data(), bufferDst, 0, kUnalignedSize); |
| |
| // Expect texture subresource initialized to be true |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized(texture.Get(), 0, 1, 0, 1)); |
| } |
| |
| // This tests that the code path of CopyTextureToBuffer clears correctly for non-renderable textures |
| // with more than 1 array layers |
| TEST_P(TextureZeroInitTest, NonRenderableTextureClearWithMultiArrayLayers) { |
| // TODO(crbug.com/dawn/667): Work around the fact that some platforms do not support reading |
| // from Snorm textures. |
| DAWN_TEST_UNSUPPORTED_IF(HasToggleEnabled("disable_snorm_read")); |
| |
| wgpu::TextureDescriptor descriptor = |
| CreateTextureDescriptor(1, 2, wgpu::TextureUsage::CopySrc, kNonrenderableColorFormat); |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| |
| // Set buffer with dirty data so we know it is cleared by the lazy cleared texture copy |
| uint32_t bufferSize = kFormatBlockByteSize * kSize * kSize; |
| std::vector<uint8_t> data(bufferSize, 100); |
| wgpu::Buffer bufferDst = utils::CreateBufferFromData( |
| device, data.data(), static_cast<uint32_t>(data.size()), wgpu::BufferUsage::CopySrc); |
| |
| wgpu::ImageCopyBuffer imageCopyBuffer = |
| utils::CreateImageCopyBuffer(bufferDst, 0, kSize * kFormatBlockByteSize); |
| wgpu::ImageCopyTexture imageCopyTexture = utils::CreateImageCopyTexture(texture, 0, {0, 0, 1}); |
| wgpu::Extent3D copySize = {kSize, kSize, 1}; |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| encoder.CopyTextureToBuffer(&imageCopyTexture, &imageCopyBuffer, ©Size); |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| EXPECT_LAZY_CLEAR(1u, queue.Submit(1, &commands)); |
| |
| std::vector<uint32_t> expectedWithZeros(bufferSize, 0); |
| EXPECT_BUFFER_U32_RANGE_EQ(expectedWithZeros.data(), bufferDst, 0, 8); |
| |
| // Expect texture subresource initialized to be true |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized(texture.Get(), 0, 1, 1, 1)); |
| } |
| |
| // This tests that storeOp clear resets resource state to uninitialized. |
| // Start with a sample texture that is initialized with data. |
| // Then expect the render texture to not store the data from sample texture |
| // because it will be lazy cleared by the EXPECT_TEXTURE_EQ call. |
| TEST_P(TextureZeroInitTest, RenderPassStoreOpClear) { |
| // Create needed resources |
| wgpu::TextureDescriptor descriptor = CreateTextureDescriptor( |
| 1, 1, wgpu::TextureUsage::TextureBinding | wgpu::TextureUsage::CopyDst, kColorFormat); |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| |
| wgpu::TextureDescriptor renderTextureDescriptor = CreateTextureDescriptor( |
| 1, 1, wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::RenderAttachment, kColorFormat); |
| wgpu::Texture renderTexture = device.CreateTexture(&renderTextureDescriptor); |
| |
| // Fill the sample texture with data |
| std::vector<uint8_t> data(kFormatBlockByteSize * kSize * kSize, 1); |
| wgpu::Buffer stagingBuffer = utils::CreateBufferFromData( |
| device, data.data(), static_cast<uint32_t>(data.size()), wgpu::BufferUsage::CopySrc); |
| wgpu::ImageCopyBuffer imageCopyBuffer = |
| utils::CreateImageCopyBuffer(stagingBuffer, 0, kSize * kFormatBlockByteSize); |
| wgpu::ImageCopyTexture imageCopyTexture = utils::CreateImageCopyTexture(texture, 0, {0, 0, 0}); |
| wgpu::Extent3D copySize = {kSize, kSize, 1}; |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| encoder.CopyBufferToTexture(&imageCopyBuffer, &imageCopyTexture, ©Size); |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| // Expect 0 lazy clears because the texture will be completely copied to |
| EXPECT_LAZY_CLEAR(0u, queue.Submit(1, &commands)); |
| |
| // Create render pipeline |
| utils::ComboRenderPipelineDescriptor renderPipelineDescriptor; |
| renderPipelineDescriptor.vertex.module = CreateBasicVertexShaderForTest(); |
| renderPipelineDescriptor.cFragment.module = CreateSampledTextureFragmentShaderForTest(); |
| renderPipelineDescriptor.cTargets[0].format = kColorFormat; |
| wgpu::RenderPipeline renderPipeline = device.CreateRenderPipeline(&renderPipelineDescriptor); |
| |
| // Create bindgroup |
| wgpu::BindGroup bindGroup = utils::MakeBindGroup(device, renderPipeline.GetBindGroupLayout(0), |
| {{0, texture.CreateView()}}); |
| |
| // Encode pass and submit |
| encoder = device.CreateCommandEncoder(); |
| utils::ComboRenderPassDescriptor renderPassDesc({renderTexture.CreateView()}); |
| renderPassDesc.cColorAttachments[0].clearValue = {0.0, 0.0, 0.0, 0.0}; |
| renderPassDesc.cColorAttachments[0].loadOp = wgpu::LoadOp::Clear; |
| renderPassDesc.cColorAttachments[0].storeOp = wgpu::StoreOp::Discard; |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPassDesc); |
| pass.SetPipeline(renderPipeline); |
| pass.SetBindGroup(0, bindGroup); |
| pass.Draw(6); |
| pass.End(); |
| commands = encoder.Finish(); |
| // Expect 0 lazy clears, sample texture is initialized by copyBufferToTexture and render texture |
| // is cleared by loadop |
| EXPECT_LAZY_CLEAR(0u, queue.Submit(1, &commands)); |
| |
| // Expect the rendered texture to be cleared |
| std::vector<RGBA8> expectedWithZeros(kSize * kSize, {0, 0, 0, 0}); |
| EXPECT_LAZY_CLEAR( |
| 1u, EXPECT_TEXTURE_EQ(expectedWithZeros.data(), renderTexture, {0, 0}, {kSize, kSize})); |
| |
| // Expect texture subresource initialized to be true |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized(texture.Get(), 0, 1, 0, 1)); |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized(renderTexture.Get(), 0, 1, 0, 1)); |
| } |
| |
| // This tests storeOp Clear on depth and stencil textures. |
| // We put the depth stencil texture through 2 passes: |
| // 1) LoadOp::Clear and StoreOp::Discard, fail the depth and stencil test set in the render |
| // pipeline. This means nothing is drawn and subresource is set as uninitialized. |
| // 2) LoadOp::Load and StoreOp::Discard, pass the depth and stencil test set in the render pipeline. |
| // Because LoadOp is Load and the subresource is uninitialized, the texture will be cleared to |
| // 0's This means the depth and stencil test will pass and the red square is drawn. |
| TEST_P(TextureZeroInitTest, RenderingLoadingDepthStencilStoreOpClear) { |
| wgpu::TextureDescriptor srcDescriptor = |
| CreateTextureDescriptor(1, 1, |
| wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::CopyDst | |
| wgpu::TextureUsage::RenderAttachment, |
| kColorFormat); |
| wgpu::Texture srcTexture = device.CreateTexture(&srcDescriptor); |
| |
| wgpu::TextureDescriptor depthStencilDescriptor = |
| CreateTextureDescriptor(1, 1, |
| wgpu::TextureUsage::RenderAttachment | wgpu::TextureUsage::CopySrc | |
| wgpu::TextureUsage::CopyDst, |
| kDepthStencilFormat); |
| wgpu::Texture depthStencilTexture = device.CreateTexture(&depthStencilDescriptor); |
| |
| // Setup the renderPass for the first pass. |
| // We want to fail the depth and stencil test here so that nothing gets drawn and we can |
| // see that the subresource correctly gets set as unintialized in the second pass |
| utils::ComboRenderPassDescriptor renderPassDescriptor({srcTexture.CreateView()}, |
| depthStencilTexture.CreateView()); |
| renderPassDescriptor.cDepthStencilAttachmentInfo.depthLoadOp = wgpu::LoadOp::Clear; |
| renderPassDescriptor.cDepthStencilAttachmentInfo.stencilLoadOp = wgpu::LoadOp::Clear; |
| renderPassDescriptor.cDepthStencilAttachmentInfo.depthClearValue = 1.0f; |
| renderPassDescriptor.cDepthStencilAttachmentInfo.stencilClearValue = 1u; |
| renderPassDescriptor.cDepthStencilAttachmentInfo.depthStoreOp = wgpu::StoreOp::Discard; |
| renderPassDescriptor.cDepthStencilAttachmentInfo.stencilStoreOp = wgpu::StoreOp::Discard; |
| { |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPassDescriptor); |
| pass.SetPipeline(CreatePipelineForTest()); |
| pass.Draw(6); |
| pass.End(); |
| wgpu::CommandBuffer commandBuffer = encoder.Finish(); |
| // Expect 0 lazy clears, depth stencil texture will clear using loadop |
| EXPECT_LAZY_CLEAR(0u, queue.Submit(1, &commandBuffer)); |
| |
| // The depth stencil test should fail and not draw because the depth stencil texture is |
| // cleared to 1's by using loadOp clear and set values from descriptor. |
| std::vector<RGBA8> expectedBlack(kSize * kSize, {0, 0, 0, 0}); |
| EXPECT_TEXTURE_EQ(expectedBlack.data(), srcTexture, {0, 0}, {kSize, kSize}); |
| |
| // Expect texture subresource initialized to be false since storeop is clear, sets |
| // subresource as uninitialized |
| EXPECT_EQ(false, dawn::native::IsTextureSubresourceInitialized(depthStencilTexture.Get(), 0, |
| 1, 0, 1)); |
| } |
| |
| // Now we put the depth stencil texture back into renderpass, it should be cleared by loadop |
| // because storeOp clear sets the subresource as uninitialized |
| { |
| renderPassDescriptor.cDepthStencilAttachmentInfo.depthLoadOp = wgpu::LoadOp::Load; |
| renderPassDescriptor.cDepthStencilAttachmentInfo.stencilLoadOp = wgpu::LoadOp::Load; |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPassDescriptor); |
| pass.SetPipeline(CreatePipelineForTest()); |
| pass.Draw(6); |
| pass.End(); |
| wgpu::CommandBuffer commandBuffer = encoder.Finish(); |
| // Expect 0 lazy clears, depth stencil texture will clear using loadop |
| EXPECT_LAZY_CLEAR(0u, queue.Submit(1, &commandBuffer)); |
| |
| // Now the depth stencil test should pass since depth stencil texture is cleared to 0's by |
| // loadop load and uninitialized subresource, so we should have a red square |
| std::vector<RGBA8> expectedRed(kSize * kSize, {255, 0, 0, 255}); |
| EXPECT_TEXTURE_EQ(expectedRed.data(), srcTexture, {0, 0}, {kSize, kSize}); |
| |
| // Expect texture subresource initialized to be false since storeop is clear, sets |
| // subresource as uninitialized |
| EXPECT_EQ(false, dawn::native::IsTextureSubresourceInitialized(depthStencilTexture.Get(), 0, |
| 1, 0, 1)); |
| } |
| } |
| |
| // Test that if one mip of a texture is initialized and another is uninitialized, lazy clearing the |
| // uninitialized mip does not clear the initialized mip. |
| TEST_P(TextureZeroInitTest, PreservesInitializedMip) { |
| wgpu::TextureDescriptor sampleTextureDescriptor = |
| CreateTextureDescriptor(2, 1, |
| wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::CopyDst | |
| wgpu::TextureUsage::TextureBinding, |
| kColorFormat); |
| wgpu::Texture sampleTexture = device.CreateTexture(&sampleTextureDescriptor); |
| |
| wgpu::TextureDescriptor renderTextureDescriptor = CreateTextureDescriptor( |
| 1, 1, wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::RenderAttachment, kColorFormat); |
| wgpu::Texture renderTexture = device.CreateTexture(&renderTextureDescriptor); |
| |
| // Fill the sample texture's second mip with data |
| uint32_t mipSize = kSize >> 1; |
| std::vector<uint8_t> data(kFormatBlockByteSize * mipSize * mipSize, 2); |
| wgpu::Buffer stagingBuffer = utils::CreateBufferFromData( |
| device, data.data(), static_cast<uint32_t>(data.size()), wgpu::BufferUsage::CopySrc); |
| wgpu::ImageCopyBuffer imageCopyBuffer = |
| utils::CreateImageCopyBuffer(stagingBuffer, 0, mipSize * kFormatBlockByteSize); |
| wgpu::ImageCopyTexture imageCopyTexture = |
| utils::CreateImageCopyTexture(sampleTexture, 1, {0, 0, 0}); |
| wgpu::Extent3D copySize = {mipSize, mipSize, 1}; |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| encoder.CopyBufferToTexture(&imageCopyBuffer, &imageCopyTexture, ©Size); |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| // Expect 0 lazy clears because the texture subresource will be completely copied to |
| EXPECT_LAZY_CLEAR(0u, queue.Submit(1, &commands)); |
| |
| // Create render pipeline |
| utils::ComboRenderPipelineDescriptor renderPipelineDescriptor; |
| renderPipelineDescriptor.vertex.module = CreateBasicVertexShaderForTest(); |
| renderPipelineDescriptor.cFragment.module = CreateSampledTextureFragmentShaderForTest(); |
| renderPipelineDescriptor.cTargets[0].format = kColorFormat; |
| wgpu::RenderPipeline renderPipeline = device.CreateRenderPipeline(&renderPipelineDescriptor); |
| |
| // Create bindgroup |
| wgpu::BindGroup bindGroup = utils::MakeBindGroup(device, renderPipeline.GetBindGroupLayout(0), |
| {{0, sampleTexture.CreateView()}}); |
| |
| // Encode pass and submit |
| encoder = device.CreateCommandEncoder(); |
| utils::ComboRenderPassDescriptor renderPassDesc({renderTexture.CreateView()}); |
| renderPassDesc.cColorAttachments[0].clearValue = {0.0, 0.0, 0.0, 0.0}; |
| renderPassDesc.cColorAttachments[0].loadOp = wgpu::LoadOp::Clear; |
| renderPassDesc.cColorAttachments[0].storeOp = wgpu::StoreOp::Discard; |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPassDesc); |
| pass.SetPipeline(renderPipeline); |
| pass.SetBindGroup(0, bindGroup); |
| pass.Draw(6); |
| pass.End(); |
| commands = encoder.Finish(); |
| // Expect 1 lazy clears, because not all mips of the sample texture are initialized by |
| // copyBufferToTexture. |
| EXPECT_LAZY_CLEAR(1u, queue.Submit(1, &commands)); |
| |
| // Expect the rendered texture to be cleared since we copied from the uninitialized first |
| // mip. |
| std::vector<RGBA8> expectedWithZeros(kSize * kSize, {0, 0, 0, 0}); |
| EXPECT_LAZY_CLEAR( |
| 1u, EXPECT_TEXTURE_EQ(expectedWithZeros.data(), renderTexture, {0, 0}, {kSize, kSize}, 0)); |
| |
| // Expect the first mip to have been lazy cleared to 0. |
| EXPECT_LAZY_CLEAR( |
| 0u, EXPECT_TEXTURE_EQ(expectedWithZeros.data(), sampleTexture, {0, 0}, {kSize, kSize}, 0)); |
| |
| // Expect the second mip to still be filled with 2. |
| std::vector<RGBA8> expectedWithTwos(mipSize * mipSize, {2, 2, 2, 2}); |
| EXPECT_LAZY_CLEAR(0u, EXPECT_TEXTURE_EQ(expectedWithTwos.data(), sampleTexture, {0, 0}, |
| {mipSize, mipSize}, 1)); |
| |
| // Expect the whole texture to be initialized |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized(sampleTexture.Get(), 0, 2, 0, 1)); |
| } |
| |
| // Test that if one layer of a texture is initialized and another is uninitialized, lazy clearing |
| // the uninitialized layer does not clear the initialized layer. |
| TEST_P(TextureZeroInitTest, PreservesInitializedArrayLayer) { |
| wgpu::TextureDescriptor sampleTextureDescriptor = |
| CreateTextureDescriptor(1, 2, |
| wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::CopyDst | |
| wgpu::TextureUsage::TextureBinding, |
| kColorFormat); |
| wgpu::Texture sampleTexture = device.CreateTexture(&sampleTextureDescriptor); |
| |
| wgpu::TextureDescriptor renderTextureDescriptor = CreateTextureDescriptor( |
| 1, 1, wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::RenderAttachment, kColorFormat); |
| wgpu::Texture renderTexture = device.CreateTexture(&renderTextureDescriptor); |
| |
| // Fill the sample texture's second array layer with data |
| std::vector<uint8_t> data(kFormatBlockByteSize * kSize * kSize, 2); |
| wgpu::Buffer stagingBuffer = utils::CreateBufferFromData( |
| device, data.data(), static_cast<uint32_t>(data.size()), wgpu::BufferUsage::CopySrc); |
| wgpu::ImageCopyBuffer imageCopyBuffer = |
| utils::CreateImageCopyBuffer(stagingBuffer, 0, kSize * kFormatBlockByteSize); |
| wgpu::ImageCopyTexture imageCopyTexture = |
| utils::CreateImageCopyTexture(sampleTexture, 0, {0, 0, 1}); |
| wgpu::Extent3D copySize = {kSize, kSize, 1}; |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| encoder.CopyBufferToTexture(&imageCopyBuffer, &imageCopyTexture, ©Size); |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| // Expect 0 lazy clears because the texture subresource will be completely copied to |
| EXPECT_LAZY_CLEAR(0u, queue.Submit(1, &commands)); |
| |
| // Create render pipeline |
| utils::ComboRenderPipelineDescriptor renderPipelineDescriptor; |
| renderPipelineDescriptor.vertex.module = CreateBasicVertexShaderForTest(); |
| renderPipelineDescriptor.cFragment.module = CreateSampledTextureFragmentShaderForTest(); |
| renderPipelineDescriptor.cTargets[0].format = kColorFormat; |
| wgpu::RenderPipeline renderPipeline = device.CreateRenderPipeline(&renderPipelineDescriptor); |
| |
| // Only sample from the uninitialized first layer. |
| wgpu::TextureViewDescriptor textureViewDescriptor; |
| textureViewDescriptor.dimension = wgpu::TextureViewDimension::e2D; |
| textureViewDescriptor.arrayLayerCount = 1; |
| |
| // Create bindgroup |
| wgpu::BindGroup bindGroup = |
| utils::MakeBindGroup(device, renderPipeline.GetBindGroupLayout(0), |
| {{0, sampleTexture.CreateView(&textureViewDescriptor)}}); |
| |
| // Encode pass and submit |
| encoder = device.CreateCommandEncoder(); |
| utils::ComboRenderPassDescriptor renderPassDesc({renderTexture.CreateView()}); |
| renderPassDesc.cColorAttachments[0].clearValue = {0.0, 0.0, 0.0, 0.0}; |
| renderPassDesc.cColorAttachments[0].loadOp = wgpu::LoadOp::Clear; |
| renderPassDesc.cColorAttachments[0].storeOp = wgpu::StoreOp::Discard; |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPassDesc); |
| pass.SetPipeline(renderPipeline); |
| pass.SetBindGroup(0, bindGroup); |
| pass.Draw(6); |
| pass.End(); |
| commands = encoder.Finish(); |
| // Expect 1 lazy clears, because not all array layers of the sample texture are initialized by |
| // copyBufferToTexture. |
| EXPECT_LAZY_CLEAR(1u, queue.Submit(1, &commands)); |
| |
| // Expect the rendered texture to be cleared since we copied from the uninitialized first |
| // array layer. |
| std::vector<RGBA8> expectedWithZeros(kSize * kSize, {0, 0, 0, 0}); |
| EXPECT_LAZY_CLEAR( |
| 1u, EXPECT_TEXTURE_EQ(expectedWithZeros.data(), renderTexture, {0, 0, 0}, {kSize, kSize})); |
| |
| // Expect the first array layer to have been lazy cleared to 0. |
| EXPECT_LAZY_CLEAR( |
| 0u, EXPECT_TEXTURE_EQ(expectedWithZeros.data(), sampleTexture, {0, 0, 0}, {kSize, kSize})); |
| |
| // Expect the second array layer to still be filled with 2. |
| std::vector<RGBA8> expectedWithTwos(kSize * kSize, {2, 2, 2, 2}); |
| EXPECT_LAZY_CLEAR( |
| 0u, EXPECT_TEXTURE_EQ(expectedWithTwos.data(), sampleTexture, {0, 0, 1}, {kSize, kSize})); |
| |
| // Expect the whole texture to be initialized |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized(sampleTexture.Get(), 0, 1, 0, 2)); |
| } |
| |
| // This is a regression test for crbug.com/dawn/451 where the lazy texture |
| // init path on D3D12 had a divide-by-zero exception in the copy split logic. |
| TEST_P(TextureZeroInitTest, CopyTextureToBufferNonRenderableUnaligned) { |
| // TODO(crbug.com/dawn/667): Work around the fact that some platforms do not support reading |
| // from Snorm textures. |
| DAWN_TEST_UNSUPPORTED_IF(HasToggleEnabled("disable_snorm_read")); |
| |
| wgpu::TextureDescriptor descriptor; |
| descriptor.size.width = kUnalignedSize; |
| descriptor.size.height = kUnalignedSize; |
| descriptor.size.depthOrArrayLayers = 1; |
| descriptor.format = wgpu::TextureFormat::R8Snorm; |
| descriptor.usage = wgpu::TextureUsage::CopySrc; |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| |
| { |
| uint32_t bytesPerRow = Align(kUnalignedSize, kTextureBytesPerRowAlignment); |
| |
| // Create and initialize the destination buffer to ensure we only count the times of |
| // texture lazy initialization in this test. |
| const uint64_t bufferSize = kUnalignedSize * bytesPerRow; |
| const std::vector<uint8_t> initialBufferData(bufferSize, 0u); |
| wgpu::Buffer buffer = utils::CreateBufferFromData(device, initialBufferData.data(), |
| bufferSize, wgpu::BufferUsage::CopyDst); |
| |
| wgpu::ImageCopyTexture imageCopyTexture = |
| utils::CreateImageCopyTexture(texture, 0, {0, 0, 0}); |
| wgpu::ImageCopyBuffer imageCopyBuffer = |
| utils::CreateImageCopyBuffer(buffer, 0, bytesPerRow); |
| wgpu::Extent3D copySize = {kUnalignedSize, kUnalignedSize, 1}; |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| encoder.CopyTextureToBuffer(&imageCopyTexture, &imageCopyBuffer, ©Size); |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| EXPECT_LAZY_CLEAR(1u, queue.Submit(1, &commands)); |
| } |
| |
| // Expect texture subresource initialized to be true |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized(texture.Get(), 0, 1, 0, 1)); |
| } |
| |
| // In this test WriteTexture fully overwrites a texture |
| TEST_P(TextureZeroInitTest, WriteWholeTexture) { |
| wgpu::TextureDescriptor descriptor = CreateTextureDescriptor( |
| 1, 1, wgpu::TextureUsage::CopyDst | wgpu::TextureUsage::CopySrc, kColorFormat); |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| |
| wgpu::ImageCopyTexture imageCopyTexture = utils::CreateImageCopyTexture(texture, 0, {0, 0, 0}); |
| wgpu::Extent3D copySize = {kSize, kSize, 1}; |
| |
| wgpu::TextureDataLayout textureDataLayout; |
| textureDataLayout.offset = 0; |
| textureDataLayout.bytesPerRow = kSize * kFormatBlockByteSize; |
| textureDataLayout.rowsPerImage = kSize; |
| |
| std::vector<RGBA8> data( |
| utils::RequiredBytesInCopy(textureDataLayout.bytesPerRow, textureDataLayout.rowsPerImage, |
| copySize, kColorFormat) / |
| sizeof(RGBA8), |
| {100, 100, 100, 100}); |
| |
| // The write overwrites the whole texture so we don't need to do lazy initialization. |
| EXPECT_LAZY_CLEAR( |
| 0u, queue.WriteTexture(&imageCopyTexture, data.data(), data.size() * sizeof(RGBA8), |
| &textureDataLayout, ©Size)); |
| |
| // Expect texture initialized to be true |
| EXPECT_TRUE(dawn::native::IsTextureSubresourceInitialized(texture.Get(), 0, 1, 0, 1)); |
| |
| EXPECT_TEXTURE_EQ(data.data(), texture, {0, 0}, {kSize, kSize}); |
| } |
| |
| // Test WriteTexture to a subset of the texture, lazy init is necessary to clear the other |
| // half. |
| TEST_P(TextureZeroInitTest, WriteTextureHalf) { |
| wgpu::TextureDescriptor descriptor = |
| CreateTextureDescriptor(4, 1, |
| wgpu::TextureUsage::CopyDst | wgpu::TextureUsage::TextureBinding | |
| wgpu::TextureUsage::CopySrc, |
| kColorFormat); |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| |
| wgpu::ImageCopyTexture imageCopyTexture = utils::CreateImageCopyTexture(texture, 0, {0, 0, 0}); |
| wgpu::Extent3D copySize = {kSize / 2, kSize, 1}; |
| |
| wgpu::TextureDataLayout textureDataLayout; |
| textureDataLayout.offset = 0; |
| textureDataLayout.bytesPerRow = kSize * kFormatBlockByteSize / 2; |
| textureDataLayout.rowsPerImage = kSize; |
| |
| std::vector<RGBA8> data( |
| utils::RequiredBytesInCopy(textureDataLayout.bytesPerRow, textureDataLayout.rowsPerImage, |
| copySize, kColorFormat) / |
| sizeof(RGBA8), |
| {100, 100, 100, 100}); |
| |
| EXPECT_LAZY_CLEAR( |
| 1u, queue.WriteTexture(&imageCopyTexture, data.data(), data.size() * sizeof(RGBA8), |
| &textureDataLayout, ©Size)); |
| |
| // Expect texture initialized to be true |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized(texture.Get(), 0, 1, 0, 1)); |
| |
| std::vector<RGBA8> expectedZeros((kSize / 2) * kSize, {0, 0, 0, 0}); |
| // first half filled with 100, by the data |
| EXPECT_TEXTURE_EQ(data.data(), texture, {0, 0}, {kSize / 2, kSize}); |
| // second half should be cleared |
| EXPECT_TEXTURE_EQ(expectedZeros.data(), texture, {kSize / 2, 0}, {kSize / 2, kSize}); |
| } |
| |
| // In this test WriteTexture fully overwrites a range of subresources, so lazy initialization |
| // is needed for neither the subresources involved in the write nor the other subresources. |
| TEST_P(TextureZeroInitTest, WriteWholeTextureArray) { |
| wgpu::TextureDescriptor descriptor = CreateTextureDescriptor( |
| 1, 6, wgpu::TextureUsage::CopyDst | wgpu::TextureUsage::CopySrc, kColorFormat); |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| |
| constexpr uint32_t kBaseArrayLayer = 2u; |
| constexpr uint32_t kCopyLayerCount = 3u; |
| |
| wgpu::ImageCopyTexture imageCopyTexture = |
| utils::CreateImageCopyTexture(texture, 0, {0, 0, kBaseArrayLayer}); |
| wgpu::Extent3D copySize = {kSize, kSize, kCopyLayerCount}; |
| |
| wgpu::TextureDataLayout textureDataLayout; |
| textureDataLayout.offset = 0; |
| textureDataLayout.bytesPerRow = kSize * kFormatBlockByteSize; |
| textureDataLayout.rowsPerImage = kSize; |
| |
| std::vector<RGBA8> data( |
| utils::RequiredBytesInCopy(textureDataLayout.bytesPerRow, textureDataLayout.rowsPerImage, |
| copySize, kColorFormat) / |
| sizeof(RGBA8), |
| {100, 100, 100, 100}); |
| |
| // The write overwrites the whole subresources so we don't need to do lazy initialization on |
| // them. |
| EXPECT_LAZY_CLEAR( |
| 0u, queue.WriteTexture(&imageCopyTexture, data.data(), data.size() * sizeof(RGBA8), |
| &textureDataLayout, ©Size)); |
| |
| // Expect texture subresource initialized to be true |
| EXPECT_TRUE(dawn::native::IsTextureSubresourceInitialized(texture.Get(), 0, 1, kBaseArrayLayer, |
| kCopyLayerCount)); |
| |
| for (uint32_t layer = kBaseArrayLayer; layer < kBaseArrayLayer + kCopyLayerCount; ++layer) { |
| EXPECT_TEXTURE_EQ(data.data(), texture, {0, 0, layer}, {kSize, kSize}); |
| } |
| } |
| |
| // Test WriteTexture to a subset of the subresource, lazy init is necessary to clear the other |
| // half. |
| TEST_P(TextureZeroInitTest, WriteTextureArrayHalf) { |
| wgpu::TextureDescriptor descriptor = |
| CreateTextureDescriptor(4, 6, |
| wgpu::TextureUsage::CopyDst | wgpu::TextureUsage::TextureBinding | |
| wgpu::TextureUsage::CopySrc, |
| kColorFormat); |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| |
| constexpr uint32_t kBaseArrayLayer = 2u; |
| constexpr uint32_t kCopyLayerCount = 3u; |
| |
| wgpu::ImageCopyTexture imageCopyTexture = |
| utils::CreateImageCopyTexture(texture, 0, {0, 0, kBaseArrayLayer}); |
| wgpu::Extent3D copySize = {kSize / 2, kSize, kCopyLayerCount}; |
| |
| wgpu::TextureDataLayout textureDataLayout; |
| textureDataLayout.offset = 0; |
| textureDataLayout.bytesPerRow = kSize * kFormatBlockByteSize / 2; |
| textureDataLayout.rowsPerImage = kSize; |
| |
| std::vector<RGBA8> data( |
| utils::RequiredBytesInCopy(textureDataLayout.bytesPerRow, textureDataLayout.rowsPerImage, |
| copySize, kColorFormat) / |
| sizeof(RGBA8), |
| {100, 100, 100, 100}); |
| |
| EXPECT_LAZY_CLEAR( |
| 1u, queue.WriteTexture(&imageCopyTexture, data.data(), data.size() * sizeof(RGBA8), |
| &textureDataLayout, ©Size)); |
| |
| // Expect texture subresource initialized to be true |
| EXPECT_EQ(true, dawn::native::IsTextureSubresourceInitialized( |
| texture.Get(), 0, 1, kBaseArrayLayer, kCopyLayerCount)); |
| |
| std::vector<RGBA8> expectedZeros((kSize / 2) * kSize, {0, 0, 0, 0}); |
| for (uint32_t layer = kBaseArrayLayer; layer < kBaseArrayLayer + kCopyLayerCount; ++layer) { |
| // first half filled with 100, by the data |
| EXPECT_TEXTURE_EQ(data.data(), texture, {0, 0, layer}, {kSize / 2, kSize}); |
| // second half should be cleared |
| EXPECT_TEXTURE_EQ(expectedZeros.data(), texture, {kSize / 2, 0, layer}, {kSize / 2, kSize}); |
| } |
| } |
| |
| // In this test WriteTexture fully overwrites a texture at mip level. |
| TEST_P(TextureZeroInitTest, WriteWholeTextureAtMipLevel) { |
| wgpu::TextureDescriptor descriptor = CreateTextureDescriptor( |
| 4, 1, wgpu::TextureUsage::CopyDst | wgpu::TextureUsage::CopySrc, kColorFormat); |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| |
| constexpr uint32_t kMipLevel = 2; |
| constexpr uint32_t kMipSize = kSize >> kMipLevel; |
| |
| wgpu::ImageCopyTexture imageCopyTexture = |
| utils::CreateImageCopyTexture(texture, kMipLevel, {0, 0, 0}); |
| wgpu::Extent3D copySize = {kMipSize, kMipSize, 1}; |
| |
| wgpu::TextureDataLayout textureDataLayout; |
| textureDataLayout.offset = 0; |
| textureDataLayout.bytesPerRow = kMipSize * kFormatBlockByteSize; |
| textureDataLayout.rowsPerImage = kMipSize; |
| |
| std::vector<RGBA8> data( |
| utils::RequiredBytesInCopy(textureDataLayout.bytesPerRow, textureDataLayout.rowsPerImage, |
| copySize, kColorFormat) / |
| sizeof(RGBA8), |
| {100, 100, 100, 100}); |
| |
| // The write overwrites the whole texture so we don't need to do lazy initialization. |
| EXPECT_LAZY_CLEAR( |
| 0u, queue.WriteTexture(&imageCopyTexture, data.data(), data.size() * sizeof(RGBA8), |
| &textureDataLayout, ©Size)); |
| |
| // Expect texture initialized to be true |
| EXPECT_TRUE(dawn::native::IsTextureSubresourceInitialized(texture.Get(), kMipLevel, 1, 0, 1)); |
| |
| EXPECT_TEXTURE_EQ(data.data(), texture, {0, 0}, {kMipSize, kMipSize}, kMipLevel); |
| } |
| |
| // Test WriteTexture to a subset of the texture at mip level, lazy init is necessary to clear the |
| // other half. |
| TEST_P(TextureZeroInitTest, WriteTextureHalfAtMipLevel) { |
| wgpu::TextureDescriptor descriptor = |
| CreateTextureDescriptor(4, 1, |
| wgpu::TextureUsage::CopyDst | wgpu::TextureUsage::TextureBinding | |
| wgpu::TextureUsage::CopySrc, |
| kColorFormat); |
| wgpu::Texture texture = device.CreateTexture(&descriptor); |
| |
| constexpr uint32_t kMipLevel = 2; |
| constexpr uint32_t kMipSize = kSize >> kMipLevel; |
| |
| wgpu::ImageCopyTexture imageCopyTexture = |
| utils::CreateImageCopyTexture(texture, kMipLevel, {0, 0, 0}); |
| wgpu::Extent3D copySize = {kMipSize / 2, kMipSize, 1}; |
| |
| wgpu::TextureDataLayout textureDataLayout; |
| textureDataLayout.offset = 0; |
| textureDataLayout.bytesPerRow = kMipSize * kFormatBlockByteSize / 2; |
| textureDataLayout.rowsPerImage = kMipSize; |
| |
| std::vector<RGBA8> data( |
| utils::RequiredBytesInCopy(textureDataLayout.bytesPerRow, textureDataLayout.rowsPerImage, |
| copySize, kColorFormat) / |
| sizeof(RGBA8), |
| {100, 100, 100, 100}); |
| |
| EXPECT_LAZY_CLEAR( |
| 1u, queue.WriteTexture(&imageCopyTexture, data.data(), data.size() * sizeof(RGBA8), |
| &textureDataLayout, ©Size)); |
| |
| // Expect texture initialized to be true |
| EXPECT_EQ(true, |
| dawn::native::IsTextureSubresourceInitialized(texture.Get(), kMipLevel, 1, 0, 1)); |
| |
| std::vector<RGBA8> expectedZeros((kMipSize / 2) * kMipSize, {0, 0, 0, 0}); |
| // first half filled with 100, by the data |
| EXPECT_TEXTURE_EQ(data.data(), texture, {0, 0}, {kMipSize / 2, kMipSize}, kMipLevel); |
| // second half should be cleared |
| EXPECT_TEXTURE_EQ(expectedZeros.data(), texture, {kMipSize / 2, 0}, {kMipSize / 2, kMipSize}, |
| kMipLevel); |
| } |
| |
| DAWN_INSTANTIATE_TEST(TextureZeroInitTest, |
| D3D12Backend({"nonzero_clear_resources_on_creation_for_testing"}), |
| D3D12Backend({"nonzero_clear_resources_on_creation_for_testing"}, |
| {"use_d3d12_render_pass"}), |
| OpenGLBackend({"nonzero_clear_resources_on_creation_for_testing"}), |
| OpenGLESBackend({"nonzero_clear_resources_on_creation_for_testing"}), |
| MetalBackend({"nonzero_clear_resources_on_creation_for_testing"}), |
| VulkanBackend({"nonzero_clear_resources_on_creation_for_testing"})); |
| |
| class CompressedTextureZeroInitTest : public TextureZeroInitTest { |
| protected: |
| void SetUp() override { |
| DawnTest::SetUp(); |
| |
| DAWN_TEST_UNSUPPORTED_IF(UsesWire()); |
| DAWN_TEST_UNSUPPORTED_IF(!IsBCFormatSupported()); |
| } |
| |
| std::vector<wgpu::FeatureName> GetRequiredFeatures() override { |
| mIsBCFormatSupported = SupportsFeatures({wgpu::FeatureName::TextureCompressionBC}); |
| if (!mIsBCFormatSupported) { |
| return {}; |
| } |
| |
| return {wgpu::FeatureName::TextureCompressionBC}; |
| } |
| |
| bool IsBCFormatSupported() const { return mIsBCFormatSupported; } |
| |
| // Copy the compressed texture data into the destination texture. |
| void InitializeDataInCompressedTextureAndExpectLazyClear( |
| wgpu::Texture bcCompressedTexture, |
| wgpu::TextureDescriptor textureDescriptor, |
| wgpu::Extent3D copyExtent3D, |
| uint32_t viewMipmapLevel, |
| uint32_t baseArrayLayer, |
| size_t lazyClearCount) { |
| uint32_t copyWidthInBlock = copyExtent3D.width / kFormatBlockByteSize; |
| uint32_t copyHeightInBlock = copyExtent3D.height / kFormatBlockByteSize; |
| uint32_t copyBytesPerRow = |
| Align(copyWidthInBlock * utils::GetTexelBlockSizeInBytes(textureDescriptor.format), |
| kTextureBytesPerRowAlignment); |
| |
| std::vector<uint8_t> data( |
| utils::RequiredBytesInCopy(copyBytesPerRow, copyHeightInBlock, copyExtent3D, |
| textureDescriptor.format), |
| 1); |
| |
| // Copy texture data from a staging buffer to the destination texture. |
| wgpu::Buffer stagingBuffer = utils::CreateBufferFromData(device, data.data(), data.size(), |
| wgpu::BufferUsage::CopySrc); |
| wgpu::ImageCopyBuffer imageCopyBuffer = |
| utils::CreateImageCopyBuffer(stagingBuffer, 0, copyBytesPerRow, copyHeightInBlock); |
| |
| wgpu::ImageCopyTexture imageCopyTexture = utils::CreateImageCopyTexture( |
| bcCompressedTexture, viewMipmapLevel, {0, 0, baseArrayLayer}); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| encoder.CopyBufferToTexture(&imageCopyBuffer, &imageCopyTexture, ©Extent3D); |
| wgpu::CommandBuffer copy = encoder.Finish(); |
| EXPECT_LAZY_CLEAR(lazyClearCount, queue.Submit(1, ©)); |
| } |
| |
| // Run the tests that copies pre-prepared BC format data into a BC texture and verifies if we |
| // can render correctly with the pixel values sampled from the BC texture. |
| // Expect that the texture subresource is initialized |
| void TestCopyRegionIntoBCFormatTexturesAndCheckSubresourceIsInitialized( |
| wgpu::TextureDescriptor textureDescriptor, |
| wgpu::Extent3D copyExtent3D, |
| wgpu::Extent3D nonPaddedCopyExtent, |
| uint32_t viewMipmapLevel, |
| uint32_t baseArrayLayer, |
| size_t lazyClearCount, |
| bool halfCopyTest = false) { |
| wgpu::Texture bcTexture = device.CreateTexture(&textureDescriptor); |
| InitializeDataInCompressedTextureAndExpectLazyClear(bcTexture, textureDescriptor, |
| copyExtent3D, viewMipmapLevel, |
| baseArrayLayer, lazyClearCount); |
| |
| SampleCompressedTextureAndVerifyColor(bcTexture, textureDescriptor, copyExtent3D, |
| nonPaddedCopyExtent, viewMipmapLevel, baseArrayLayer, |
| halfCopyTest); |
| } |
| |
| void SampleCompressedTextureAndVerifyColor(wgpu::Texture bcTexture, |
| wgpu::TextureDescriptor textureDescriptor, |
| wgpu::Extent3D copyExtent3D, |
| wgpu::Extent3D nonPaddedCopyExtent, |
| uint32_t viewMipmapLevel, |
| uint32_t baseArrayLayer, |
| bool halfCopyTest = false) { |
| // Sample the compressed texture and verify the texture colors in the render target |
| utils::BasicRenderPass renderPass = |
| utils::CreateBasicRenderPass(device, textureDescriptor.size.width >> viewMipmapLevel, |
| textureDescriptor.size.height >> viewMipmapLevel); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| { |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| utils::ComboRenderPipelineDescriptor renderPipelineDescriptor; |
| renderPipelineDescriptor.cTargets[0].format = kColorFormat; |
| renderPipelineDescriptor.vertex.module = CreateBasicVertexShaderForTest(); |
| renderPipelineDescriptor.cFragment.module = CreateSampledTextureFragmentShaderForTest(); |
| wgpu::RenderPipeline renderPipeline = |
| device.CreateRenderPipeline(&renderPipelineDescriptor); |
| pass.SetPipeline(renderPipeline); |
| |
| wgpu::TextureViewDescriptor textureViewDescriptor = CreateTextureViewDescriptor( |
| viewMipmapLevel, baseArrayLayer, textureDescriptor.format); |
| wgpu::BindGroup bindGroup = |
| utils::MakeBindGroup(device, renderPipeline.GetBindGroupLayout(0), |
| {{0, bcTexture.CreateView(&textureViewDescriptor)}}); |
| pass.SetBindGroup(0, bindGroup); |
| pass.Draw(6); |
| pass.End(); |
| } |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| std::vector<RGBA8> expected(nonPaddedCopyExtent.width * nonPaddedCopyExtent.height, |
| {0x00, 0x20, 0x08, 0xFF}); |
| EXPECT_TEXTURE_EQ(expected.data(), renderPass.color, {0, 0}, |
| {nonPaddedCopyExtent.width, nonPaddedCopyExtent.height}); |
| EXPECT_TRUE(dawn::native::IsTextureSubresourceInitialized(bcTexture.Get(), viewMipmapLevel, |
| 1, baseArrayLayer, 1)); |
| |
| // If we only copied to half the texture, check the other half is initialized to black |
| if (halfCopyTest) { |
| std::vector<RGBA8> expectBlack(nonPaddedCopyExtent.width * nonPaddedCopyExtent.height, |
| {0x00, 0x00, 0x00, 0xFF}); |
| EXPECT_TEXTURE_EQ(expectBlack.data(), renderPass.color, {copyExtent3D.width, 0}, |
| {nonPaddedCopyExtent.width, nonPaddedCopyExtent.height}); |
| } |
| } |
| |
| bool mIsBCFormatSupported = false; |
| }; |
| |
| // Test that the clearing is skipped when we use a full mip copy (with the physical size different |
| // than the virtual mip size) |
| TEST_P(CompressedTextureZeroInitTest, FullMipCopy) { |
| wgpu::TextureDescriptor textureDescriptor; |
| textureDescriptor.usage = wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::CopyDst | |
| wgpu::TextureUsage::TextureBinding; |
| textureDescriptor.size = {60, 60, 1}; |
| textureDescriptor.mipLevelCount = 1; |
| textureDescriptor.format = utils::kBCFormats[0]; |
| |
| TestCopyRegionIntoBCFormatTexturesAndCheckSubresourceIsInitialized( |
| textureDescriptor, textureDescriptor.size, textureDescriptor.size, 0, 0, 0u); |
| } |
| |
| // Test that 1 lazy clear count happens when we copy to half the texture |
| TEST_P(CompressedTextureZeroInitTest, HalfCopyBufferToTexture) { |
| // TODO(crbug.com/dawn/643): diagnose and fix this failure on OpenGL. |
| DAWN_SUPPRESS_TEST_IF(IsOpenGL() || IsOpenGLES()); |
| |
| wgpu::TextureDescriptor textureDescriptor; |
| textureDescriptor.usage = wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::CopyDst | |
| wgpu::TextureUsage::TextureBinding; |
| constexpr static uint32_t kSize = 16; |
| textureDescriptor.size = {kSize, kSize, 1}; |
| textureDescriptor.mipLevelCount = 1; |
| textureDescriptor.format = utils::kBCFormats[0]; |
| |
| wgpu::Extent3D copyExtent3D = {kSize / 2, kSize, 1}; |
| |
| TestCopyRegionIntoBCFormatTexturesAndCheckSubresourceIsInitialized( |
| textureDescriptor, copyExtent3D, copyExtent3D, 0, 0, 1u, true); |
| } |
| |
| // Test that 0 lazy clear count happens when we copy buffer to texture to a nonzero mip level |
| // (with physical size different from the virtual mip size) |
| TEST_P(CompressedTextureZeroInitTest, FullCopyToNonZeroMipLevel) { |
| // TODO(crbug.com/dawn/1328): ES3.1 does not support subsetting of compressed textures. |
| DAWN_TEST_UNSUPPORTED_IF(IsOpenGLES()); |
| |
| wgpu::TextureDescriptor textureDescriptor; |
| textureDescriptor.usage = wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::CopyDst | |
| wgpu::TextureUsage::TextureBinding; |
| constexpr static uint32_t kSize = 60; |
| textureDescriptor.size = {kSize, kSize, 1}; |
| textureDescriptor.mipLevelCount = 3; |
| textureDescriptor.format = utils::kBCFormats[0]; |
| const uint32_t kViewMipLevel = 2; |
| const uint32_t kActualSizeAtLevel = kSize >> kViewMipLevel; |
| |
| const uint32_t kCopySizeAtLevel = Align(kActualSizeAtLevel, kFormatBlockByteSize); |
| |
| wgpu::Extent3D copyExtent3D = {kCopySizeAtLevel, kCopySizeAtLevel, 1}; |
| |
| TestCopyRegionIntoBCFormatTexturesAndCheckSubresourceIsInitialized( |
| textureDescriptor, copyExtent3D, {kActualSizeAtLevel, kActualSizeAtLevel, 1}, kViewMipLevel, |
| 0, 0u); |
| } |
| |
| // Test that 1 lazy clear count happens when we copy buffer to half texture to a nonzero mip level |
| // (with physical size different from the virtual mip size) |
| TEST_P(CompressedTextureZeroInitTest, HalfCopyToNonZeroMipLevel) { |
| // TODO(crbug.com/dawn/643): diagnose and fix this failure on OpenGL. |
| DAWN_SUPPRESS_TEST_IF(IsOpenGL() || IsOpenGLES()); |
| |
| wgpu::TextureDescriptor textureDescriptor; |
| textureDescriptor.usage = wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::CopyDst | |
| wgpu::TextureUsage::TextureBinding; |
| constexpr static uint32_t kSize = 60; |
| textureDescriptor.size = {kSize, kSize, 1}; |
| textureDescriptor.mipLevelCount = 3; |
| textureDescriptor.format = utils::kBCFormats[0]; |
| const uint32_t kViewMipLevel = 2; |
| const uint32_t kActualSizeAtLevel = kSize >> kViewMipLevel; |
| |
| const uint32_t kCopySizeAtLevel = Align(kActualSizeAtLevel, kFormatBlockByteSize); |
| |
| wgpu::Extent3D copyExtent3D = {kCopySizeAtLevel / 2, kCopySizeAtLevel, 1}; |
| |
| TestCopyRegionIntoBCFormatTexturesAndCheckSubresourceIsInitialized( |
| textureDescriptor, copyExtent3D, {kActualSizeAtLevel / 2, kActualSizeAtLevel, 1}, |
| kViewMipLevel, 0, 1u, true); |
| } |
| |
| // Test that 0 lazy clear count happens when we copy buffer to nonzero array layer |
| TEST_P(CompressedTextureZeroInitTest, FullCopyToNonZeroArrayLayer) { |
| // TODO(crbug.com/dawn/1328): ES3.1 does not support subsetting of compressed textures. |
| DAWN_TEST_UNSUPPORTED_IF(IsOpenGLES()); |
| |
| wgpu::TextureDescriptor textureDescriptor; |
| textureDescriptor.usage = wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::CopyDst | |
| wgpu::TextureUsage::TextureBinding; |
| constexpr static uint32_t kSize = 16; |
| constexpr static uint32_t kArrayLayers = 4; |
| textureDescriptor.size = {kSize, kSize, kArrayLayers}; |
| textureDescriptor.mipLevelCount = 1; |
| textureDescriptor.format = utils::kBCFormats[0]; |
| |
| wgpu::Extent3D copyExtent3D = {kSize, kSize, 1}; |
| |
| TestCopyRegionIntoBCFormatTexturesAndCheckSubresourceIsInitialized( |
| textureDescriptor, copyExtent3D, copyExtent3D, 0, kArrayLayers - 2, 0u); |
| } |
| |
| // Test that 1 lazy clear count happens when we copy buffer to half texture to a nonzero array layer |
| TEST_P(CompressedTextureZeroInitTest, HalfCopyToNonZeroArrayLayer) { |
| // TODO(crbug.com/dawn/643): diagnose and fix this failure on OpenGL. |
| DAWN_SUPPRESS_TEST_IF(IsOpenGL() || IsOpenGLES()); |
| |
| wgpu::TextureDescriptor textureDescriptor; |
| textureDescriptor.usage = wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::CopyDst | |
| wgpu::TextureUsage::TextureBinding; |
| constexpr static uint32_t kSize = 16; |
| constexpr static uint32_t kArrayLayers = 4; |
| textureDescriptor.size = {kSize, kSize, kArrayLayers}; |
| textureDescriptor.mipLevelCount = 3; |
| textureDescriptor.format = utils::kBCFormats[0]; |
| |
| wgpu::Extent3D copyExtent3D = {kSize / 2, kSize, 1}; |
| |
| TestCopyRegionIntoBCFormatTexturesAndCheckSubresourceIsInitialized( |
| textureDescriptor, copyExtent3D, copyExtent3D, 0, kArrayLayers - 2, 1u, true); |
| } |
| |
| // full copy texture to texture, 0 lazy clears are needed |
| TEST_P(CompressedTextureZeroInitTest, FullCopyTextureToTextureMipLevel) { |
| // TODO(crbug.com/dawn/1328): ES3.1 does not support subsetting of compressed textures. |
| DAWN_TEST_UNSUPPORTED_IF(IsOpenGLES()); |
| |
| // create srcTexture and fill it with data |
| wgpu::TextureDescriptor srcDescriptor = |
| CreateTextureDescriptor(3, 1, |
| wgpu::TextureUsage::TextureBinding | wgpu::TextureUsage::CopySrc | |
| wgpu::TextureUsage::CopyDst, |
| utils::kBCFormats[0]); |
| wgpu::Texture srcTexture = device.CreateTexture(&srcDescriptor); |
| |
| const uint32_t kViewMipLevel = 2; |
| const uint32_t kActualSizeAtLevel = kSize >> kViewMipLevel; |
| |
| const uint32_t kCopySizeAtLevel = Align(kActualSizeAtLevel, kFormatBlockByteSize); |
| |
| wgpu::Extent3D copyExtent3D = {kCopySizeAtLevel, kCopySizeAtLevel, 1}; |
| |
| // fill srcTexture with data |
| InitializeDataInCompressedTextureAndExpectLazyClear(srcTexture, srcDescriptor, copyExtent3D, |
| kViewMipLevel, 0, 0u); |
| |
| wgpu::ImageCopyTexture srcImageCopyTexture = |
| utils::CreateImageCopyTexture(srcTexture, kViewMipLevel, {0, 0, 0}); |
| |
| // create dstTexture that we will copy to |
| wgpu::TextureDescriptor dstDescriptor = |
| CreateTextureDescriptor(3, 1, |
| wgpu::TextureUsage::CopyDst | wgpu::TextureUsage::CopySrc | |
| wgpu::TextureUsage::TextureBinding, |
| utils::kBCFormats[0]); |
| wgpu::Texture dstTexture = device.CreateTexture(&dstDescriptor); |
| |
| wgpu::ImageCopyTexture dstImageCopyTexture = |
| utils::CreateImageCopyTexture(dstTexture, kViewMipLevel, {0, 0, 0}); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| encoder.CopyTextureToTexture(&srcImageCopyTexture, &dstImageCopyTexture, ©Extent3D); |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| // the dstTexture does not need to be lazy cleared since it's fully copied to |
| EXPECT_LAZY_CLEAR(0u, queue.Submit(1, &commands)); |
| |
| SampleCompressedTextureAndVerifyColor(dstTexture, dstDescriptor, copyExtent3D, |
| {kActualSizeAtLevel, kActualSizeAtLevel, 1}, |
| kViewMipLevel, 0); |
| } |
| |
| // half copy texture to texture, lazy clears are needed for noncopied half |
| TEST_P(CompressedTextureZeroInitTest, HalfCopyTextureToTextureMipLevel) { |
| // TODO(crbug.com/dawn/643): diagnose and fix this failure on OpenGL. |
| DAWN_SUPPRESS_TEST_IF(IsOpenGL() || IsOpenGLES()); |
| |
| // create srcTexture with data |
| wgpu::TextureDescriptor srcDescriptor = |
| CreateTextureDescriptor(3, 1, |
| wgpu::TextureUsage::TextureBinding | wgpu::TextureUsage::CopySrc | |
| wgpu::TextureUsage::CopyDst, |
| utils::kBCFormats[0]); |
| wgpu::Texture srcTexture = device.CreateTexture(&srcDescriptor); |
| |
| const uint32_t kViewMipLevel = 2; |
| const uint32_t kActualSizeAtLevel = kSize >> kViewMipLevel; |
| |
| const uint32_t kCopySizeAtLevel = Align(kActualSizeAtLevel, kFormatBlockByteSize); |
| |
| wgpu::Extent3D copyExtent3D = {kCopySizeAtLevel / 2, kCopySizeAtLevel, 1}; |
| |
| // fill srcTexture with data |
| InitializeDataInCompressedTextureAndExpectLazyClear(srcTexture, srcDescriptor, copyExtent3D, |
| kViewMipLevel, 0, 1u); |
| |
| wgpu::ImageCopyTexture srcImageCopyTexture = |
| utils::CreateImageCopyTexture(srcTexture, kViewMipLevel, {0, 0, 0}); |
| |
| // create dstTexture that we will copy to |
| wgpu::TextureDescriptor dstDescriptor = |
| CreateTextureDescriptor(3, 1, |
| wgpu::TextureUsage::CopyDst | wgpu::TextureUsage::CopySrc | |
| wgpu::TextureUsage::TextureBinding, |
| utils::kBCFormats[0]); |
| wgpu::Texture dstTexture = device.CreateTexture(&dstDescriptor); |
| |
| wgpu::ImageCopyTexture dstImageCopyTexture = |
| utils::CreateImageCopyTexture(dstTexture, kViewMipLevel, {0, 0, 0}); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| encoder.CopyTextureToTexture(&srcImageCopyTexture, &dstImageCopyTexture, ©Extent3D); |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| // expect 1 lazy clear count since the dstTexture needs to be lazy cleared when we only copy to |
| // half texture |
| EXPECT_LAZY_CLEAR(1u, queue.Submit(1, &commands)); |
| |
| SampleCompressedTextureAndVerifyColor(dstTexture, dstDescriptor, copyExtent3D, |
| {kActualSizeAtLevel / 2, kActualSizeAtLevel, 1}, |
| kViewMipLevel, 0, true); |
| } |
| |
| // Test uploading then reading back from a 2D array compressed texture. |
| // This is a regression test for a bug where the final destination buffer |
| // was considered fully initialized even though there was a 256-byte |
| // stride between images. |
| TEST_P(CompressedTextureZeroInitTest, Copy2DArrayCompressedB2T2B) { |
| // TODO(crbug.com/dawn/643): diagnose and fix this failure on OpenGL. |
| DAWN_SUPPRESS_TEST_IF(IsOpenGL() || IsOpenGLES()); |
| |
| // create srcTexture with data |
| wgpu::TextureDescriptor textureDescriptor = CreateTextureDescriptor( |
| 4, 5, wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::CopyDst, utils::kBCFormats[0]); |
| textureDescriptor.size = {8, 8, 5}; |
| wgpu::Texture srcTexture = device.CreateTexture(&textureDescriptor); |
| |
| uint32_t mipLevel = 2; |
| wgpu::Extent3D copyExtent3D = {4, 4, 5}; |
| |
| uint32_t copyWidthInBlock = copyExtent3D.width / kFormatBlockByteSize; |
| uint32_t copyHeightInBlock = copyExtent3D.height / kFormatBlockByteSize; |
| uint32_t copyRowsPerImage = copyHeightInBlock; |
| uint32_t copyBytesPerRow = |
| Align(copyWidthInBlock * utils::GetTexelBlockSizeInBytes(textureDescriptor.format), |
| kTextureBytesPerRowAlignment); |
| |
| // Generate data to upload |
| std::vector<uint8_t> data(utils::RequiredBytesInCopy(copyBytesPerRow, copyRowsPerImage, |
| copyExtent3D, textureDescriptor.format)); |
| for (size_t i = 0; i < data.size(); ++i) { |
| data[i] = i % 255; |
| } |
| |
| // Copy texture data from a staging buffer to the destination texture. |
| wgpu::Buffer stagingBuffer = |
| utils::CreateBufferFromData(device, data.data(), data.size(), wgpu::BufferUsage::CopySrc); |
| wgpu::ImageCopyBuffer imageCopyBufferSrc = |
| utils::CreateImageCopyBuffer(stagingBuffer, 0, copyBytesPerRow, copyRowsPerImage); |
| |
| wgpu::ImageCopyTexture imageCopyTexture = |
| utils::CreateImageCopyTexture(srcTexture, mipLevel, {0, 0, 0}); |
| |
| { |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| encoder.CopyBufferToTexture(&imageCopyBufferSrc, &imageCopyTexture, ©Extent3D); |
| wgpu::CommandBuffer copy = encoder.Finish(); |
| EXPECT_LAZY_CLEAR(0u, queue.Submit(1, ©)); |
| } |
| |
| // Create a buffer to read back the data. It is the same size as the upload buffer. |
| wgpu::BufferDescriptor readbackDesc = {}; |
| readbackDesc.size = data.size(); |
| readbackDesc.usage = wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst; |
| wgpu::Buffer readbackBuffer = device.CreateBuffer(&readbackDesc); |
| |
| // Copy the texture to the readback buffer. |
| wgpu::ImageCopyBuffer imageCopyBufferDst = |
| utils::CreateImageCopyBuffer(readbackBuffer, 0, copyBytesPerRow, copyRowsPerImage); |
| { |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| encoder.CopyTextureToBuffer(&imageCopyTexture, &imageCopyBufferDst, ©Extent3D); |
| wgpu::CommandBuffer copy = encoder.Finish(); |
| |
| // Expect a lazy clear because the padding in the copy is not touched. |
| EXPECT_LAZY_CLEAR(1u, queue.Submit(1, ©)); |
| } |
| |
| // Generate expected data. It is the same as the upload data, but padding is zero. |
| std::vector<uint8_t> expected(data.size(), 0); |
| for (uint32_t z = 0; z < copyExtent3D.depthOrArrayLayers; ++z) { |
| for (uint32_t y = 0; y < copyHeightInBlock; ++y) { |
| memcpy(&expected[copyBytesPerRow * y + copyBytesPerRow * copyRowsPerImage * z], |
| &data[copyBytesPerRow * y + copyBytesPerRow * copyRowsPerImage * z], |
| copyWidthInBlock * utils::GetTexelBlockSizeInBytes(textureDescriptor.format)); |
| } |
| } |
| // Check final contents |
| EXPECT_BUFFER_U8_RANGE_EQ(expected.data(), readbackBuffer, 0, expected.size()); |
| } |
| |
| DAWN_INSTANTIATE_TEST(CompressedTextureZeroInitTest, |
| D3D12Backend({"nonzero_clear_resources_on_creation_for_testing"}), |
| MetalBackend({"nonzero_clear_resources_on_creation_for_testing"}), |
| OpenGLBackend({"nonzero_clear_resources_on_creation_for_testing"}), |
| OpenGLESBackend({"nonzero_clear_resources_on_creation_for_testing"}), |
| VulkanBackend({"nonzero_clear_resources_on_creation_for_testing"})); |