// Copyright 2017 The Dawn Authors // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. #include "common/Assert.h" #include "common/Constants.h" #include "common/Math.h" #include "tests/unittests/validation/ValidationTest.h" #include "utils/WGPUHelpers.h" class CopyCommandTest : public ValidationTest { protected: wgpu::Buffer CreateBuffer(uint64_t size, wgpu::BufferUsage usage) { wgpu::BufferDescriptor descriptor; descriptor.size = size; descriptor.usage = usage; return device.CreateBuffer(&descriptor); } wgpu::Texture Create2DTexture(uint32_t width, uint32_t height, uint32_t mipLevelCount, uint32_t arrayLayerCount, wgpu::TextureFormat format, wgpu::TextureUsage usage, uint32_t sampleCount = 1) { wgpu::TextureDescriptor descriptor; descriptor.dimension = wgpu::TextureDimension::e2D; descriptor.size.width = width; descriptor.size.height = height; descriptor.size.depth = arrayLayerCount; descriptor.sampleCount = sampleCount; descriptor.format = format; descriptor.mipLevelCount = mipLevelCount; descriptor.usage = usage; wgpu::Texture tex = device.CreateTexture(&descriptor); return tex; } // TODO(jiawei.shao@intel.com): support more pixel formats uint32_t TextureFormatPixelSize(wgpu::TextureFormat format) { switch (format) { case wgpu::TextureFormat::RG8Unorm: return 2; case wgpu::TextureFormat::RGBA8Unorm: return 4; default: UNREACHABLE(); return 0; } } uint32_t BufferSizeForTextureCopy( uint32_t width, uint32_t height, uint32_t depth, wgpu::TextureFormat format = wgpu::TextureFormat::RGBA8Unorm) { uint32_t bytesPerPixel = TextureFormatPixelSize(format); uint32_t bytesPerRow = Align(width * bytesPerPixel, kTextureBytesPerRowAlignment); return (bytesPerRow * (height - 1) + width * bytesPerPixel) * depth; } void ValidateExpectation(wgpu::CommandEncoder encoder, utils::Expectation expectation) { if (expectation == utils::Expectation::Success) { encoder.Finish(); } else { ASSERT_DEVICE_ERROR(encoder.Finish()); } } void TestB2TCopy(utils::Expectation expectation, wgpu::Buffer srcBuffer, uint64_t srcOffset, uint32_t srcBytesPerRow, uint32_t srcRowsPerImage, wgpu::Texture destTexture, uint32_t destLevel, wgpu::Origin3D destOrigin, wgpu::Extent3D extent3D) { wgpu::BufferCopyView bufferCopyView = utils::CreateBufferCopyView(srcBuffer, srcOffset, srcBytesPerRow, srcRowsPerImage); wgpu::TextureCopyView textureCopyView = utils::CreateTextureCopyView(destTexture, destLevel, destOrigin); wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); encoder.CopyBufferToTexture(&bufferCopyView, &textureCopyView, &extent3D); ValidateExpectation(encoder, expectation); } void TestT2BCopy(utils::Expectation expectation, wgpu::Texture srcTexture, uint32_t srcLevel, wgpu::Origin3D srcOrigin, wgpu::Buffer destBuffer, uint64_t destOffset, uint32_t destBytesPerRow, uint32_t destRowsPerImage, wgpu::Extent3D extent3D) { wgpu::BufferCopyView bufferCopyView = utils::CreateBufferCopyView(destBuffer, destOffset, destBytesPerRow, destRowsPerImage); wgpu::TextureCopyView textureCopyView = utils::CreateTextureCopyView(srcTexture, srcLevel, srcOrigin); wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); encoder.CopyTextureToBuffer(&textureCopyView, &bufferCopyView, &extent3D); ValidateExpectation(encoder, expectation); } void TestT2TCopy(utils::Expectation expectation, wgpu::Texture srcTexture, uint32_t srcLevel, wgpu::Origin3D srcOrigin, wgpu::Texture dstTexture, uint32_t dstLevel, wgpu::Origin3D dstOrigin, wgpu::Extent3D extent3D) { wgpu::TextureCopyView srcTextureCopyView = utils::CreateTextureCopyView(srcTexture, srcLevel, srcOrigin); wgpu::TextureCopyView dstTextureCopyView = utils::CreateTextureCopyView(dstTexture, dstLevel, dstOrigin); wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); encoder.CopyTextureToTexture(&srcTextureCopyView, &dstTextureCopyView, &extent3D); ValidateExpectation(encoder, expectation); } }; class CopyCommandTest_B2B : public CopyCommandTest {}; // TODO(cwallez@chromium.org): Test that copies are forbidden inside renderpasses // Test a successfull B2B copy TEST_F(CopyCommandTest_B2B, Success) { wgpu::Buffer source = CreateBuffer(16, wgpu::BufferUsage::CopySrc); wgpu::Buffer destination = CreateBuffer(16, wgpu::BufferUsage::CopyDst); // Copy different copies, including some that touch the OOB condition { wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); encoder.CopyBufferToBuffer(source, 0, destination, 0, 16); encoder.CopyBufferToBuffer(source, 8, destination, 0, 8); encoder.CopyBufferToBuffer(source, 0, destination, 8, 8); encoder.Finish(); } // Empty copies are valid { wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); encoder.CopyBufferToBuffer(source, 0, destination, 0, 0); encoder.CopyBufferToBuffer(source, 0, destination, 16, 0); encoder.CopyBufferToBuffer(source, 16, destination, 0, 0); encoder.Finish(); } } // Test B2B copies with OOB TEST_F(CopyCommandTest_B2B, OutOfBounds) { wgpu::Buffer source = CreateBuffer(16, wgpu::BufferUsage::CopySrc); wgpu::Buffer destination = CreateBuffer(16, wgpu::BufferUsage::CopyDst); // OOB on the source { wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); encoder.CopyBufferToBuffer(source, 8, destination, 0, 12); ASSERT_DEVICE_ERROR(encoder.Finish()); } // OOB on the destination { wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); encoder.CopyBufferToBuffer(source, 0, destination, 8, 12); ASSERT_DEVICE_ERROR(encoder.Finish()); } } // Test B2B copies with incorrect buffer usage TEST_F(CopyCommandTest_B2B, BadUsage) { wgpu::Buffer source = CreateBuffer(16, wgpu::BufferUsage::CopySrc); wgpu::Buffer destination = CreateBuffer(16, wgpu::BufferUsage::CopyDst); wgpu::Buffer vertex = CreateBuffer(16, wgpu::BufferUsage::Vertex); // Source with incorrect usage { wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); encoder.CopyBufferToBuffer(vertex, 0, destination, 0, 16); ASSERT_DEVICE_ERROR(encoder.Finish()); } // Destination with incorrect usage { wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); encoder.CopyBufferToBuffer(source, 0, vertex, 0, 16); ASSERT_DEVICE_ERROR(encoder.Finish()); } } // Test B2B copies with unaligned data size TEST_F(CopyCommandTest_B2B, UnalignedSize) { wgpu::Buffer source = CreateBuffer(16, wgpu::BufferUsage::CopySrc); wgpu::Buffer destination = CreateBuffer(16, wgpu::BufferUsage::CopyDst); wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); encoder.CopyBufferToBuffer(source, 8, destination, 0, sizeof(uint8_t)); ASSERT_DEVICE_ERROR(encoder.Finish()); } // Test B2B copies with unaligned offset TEST_F(CopyCommandTest_B2B, UnalignedOffset) { wgpu::Buffer source = CreateBuffer(16, wgpu::BufferUsage::CopySrc); wgpu::Buffer destination = CreateBuffer(16, wgpu::BufferUsage::CopyDst); // Unaligned source offset { wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); encoder.CopyBufferToBuffer(source, 9, destination, 0, 4); ASSERT_DEVICE_ERROR(encoder.Finish()); } // Unaligned destination offset { wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); encoder.CopyBufferToBuffer(source, 8, destination, 1, 4); ASSERT_DEVICE_ERROR(encoder.Finish()); } } // Test B2B copies with buffers in error state cause errors. TEST_F(CopyCommandTest_B2B, BuffersInErrorState) { wgpu::BufferDescriptor errorBufferDescriptor; errorBufferDescriptor.size = 4; errorBufferDescriptor.usage = wgpu::BufferUsage::MapRead | wgpu::BufferUsage::CopySrc; ASSERT_DEVICE_ERROR(wgpu::Buffer errorBuffer = device.CreateBuffer(&errorBufferDescriptor)); constexpr uint64_t bufferSize = 4; wgpu::Buffer validBuffer = CreateBuffer(bufferSize, wgpu::BufferUsage::CopySrc); { wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); encoder.CopyBufferToBuffer(errorBuffer, 0, validBuffer, 0, 4); ASSERT_DEVICE_ERROR(encoder.Finish()); } { wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); encoder.CopyBufferToBuffer(validBuffer, 0, errorBuffer, 0, 4); ASSERT_DEVICE_ERROR(encoder.Finish()); } } // Test it is not allowed to do B2B copies within same buffer. TEST_F(CopyCommandTest_B2B, CopyWithinSameBuffer) { constexpr uint32_t kBufferSize = 16u; wgpu::Buffer buffer = CreateBuffer(kBufferSize, wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst); // srcOffset < dstOffset, and srcOffset + copySize > dstOffset (overlapping) { constexpr uint32_t kSrcOffset = 0u; constexpr uint32_t kDstOffset = 4u; constexpr uint32_t kCopySize = 8u; ASSERT(kDstOffset > kSrcOffset && kDstOffset < kSrcOffset + kCopySize); wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); encoder.CopyBufferToBuffer(buffer, kSrcOffset, buffer, kDstOffset, kCopySize); ASSERT_DEVICE_ERROR(encoder.Finish()); } // srcOffset < dstOffset, and srcOffset + copySize == dstOffset (not overlapping) { constexpr uint32_t kSrcOffset = 0u; constexpr uint32_t kDstOffset = 8u; constexpr uint32_t kCopySize = kDstOffset - kSrcOffset; wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); encoder.CopyBufferToBuffer(buffer, kSrcOffset, buffer, kDstOffset, kCopySize); ASSERT_DEVICE_ERROR(encoder.Finish()); } // srcOffset > dstOffset, and srcOffset < dstOffset + copySize (overlapping) { constexpr uint32_t kSrcOffset = 4u; constexpr uint32_t kDstOffset = 0u; constexpr uint32_t kCopySize = 8u; ASSERT(kSrcOffset > kDstOffset && kSrcOffset < kDstOffset + kCopySize); wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); encoder.CopyBufferToBuffer(buffer, kSrcOffset, buffer, kDstOffset, kCopySize); ASSERT_DEVICE_ERROR(encoder.Finish()); } // srcOffset > dstOffset, and srcOffset + copySize == dstOffset (not overlapping) { constexpr uint32_t kSrcOffset = 8u; constexpr uint32_t kDstOffset = 0u; constexpr uint32_t kCopySize = kSrcOffset - kDstOffset; wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); encoder.CopyBufferToBuffer(buffer, kSrcOffset, buffer, kDstOffset, kCopySize); ASSERT_DEVICE_ERROR(encoder.Finish()); } } class CopyCommandTest_B2T : public CopyCommandTest {}; // Test a successfull B2T copy TEST_F(CopyCommandTest_B2T, Success) { uint64_t bufferSize = BufferSizeForTextureCopy(4, 4, 1); wgpu::Buffer source = CreateBuffer(bufferSize, wgpu::BufferUsage::CopySrc); wgpu::Texture destination = Create2DTexture(16, 16, 5, 1, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopyDst); // Different copies, including some that touch the OOB condition { // Copy 4x4 block in corner of first mip. TestB2TCopy(utils::Expectation::Success, source, 0, 256, 0, destination, 0, {0, 0, 0}, {4, 4, 1}); // Copy 4x4 block in opposite corner of first mip. TestB2TCopy(utils::Expectation::Success, source, 0, 256, 0, destination, 0, {12, 12, 0}, {4, 4, 1}); // Copy 4x4 block in the 4x4 mip. TestB2TCopy(utils::Expectation::Success, source, 0, 256, 0, destination, 2, {0, 0, 0}, {4, 4, 1}); // Copy with a buffer offset TestB2TCopy(utils::Expectation::Success, source, bufferSize - 4, 256, 0, destination, 0, {0, 0, 0}, {1, 1, 1}); } // Copies with a 256-byte aligned bytes per row but unaligned texture region { // Unaligned region TestB2TCopy(utils::Expectation::Success, source, 0, 256, 0, destination, 0, {0, 0, 0}, {3, 4, 1}); // Unaligned region with texture offset TestB2TCopy(utils::Expectation::Success, source, 0, 256, 0, destination, 0, {5, 7, 0}, {2, 3, 1}); // Unaligned region, with buffer offset TestB2TCopy(utils::Expectation::Success, source, 31 * 4, 256, 0, destination, 0, {0, 0, 0}, {3, 3, 1}); } // Empty copies are valid { // An empty copy TestB2TCopy(utils::Expectation::Success, source, 0, 0, 0, destination, 0, {0, 0, 0}, {0, 0, 1}); // An empty copy with depth = 0 TestB2TCopy(utils::Expectation::Success, source, 0, 0, 0, destination, 0, {0, 0, 0}, {0, 0, 0}); // An empty copy touching the end of the buffer TestB2TCopy(utils::Expectation::Success, source, bufferSize, 0, 0, destination, 0, {0, 0, 0}, {0, 0, 1}); // An empty copy touching the side of the texture TestB2TCopy(utils::Expectation::Success, source, 0, 0, 0, destination, 0, {16, 16, 0}, {0, 0, 1}); // An empty copy with depth = 1 and bytesPerRow > 0 TestB2TCopy(utils::Expectation::Success, source, 0, kTextureBytesPerRowAlignment, 0, destination, 0, {0, 0, 0}, {0, 0, 1}); // An empty copy with height > 0, depth = 0, bytesPerRow > 0 and rowsPerImage > 0 TestB2TCopy(utils::Expectation::Success, source, 0, kTextureBytesPerRowAlignment, 16, destination, 0, {0, 0, 0}, {0, 1, 0}); } } // Test OOB conditions on the buffer TEST_F(CopyCommandTest_B2T, OutOfBoundsOnBuffer) { uint64_t bufferSize = BufferSizeForTextureCopy(4, 4, 1); wgpu::Buffer source = CreateBuffer(bufferSize, wgpu::BufferUsage::CopySrc); wgpu::Texture destination = Create2DTexture(16, 16, 5, 1, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopyDst); // OOB on the buffer because we copy too many pixels TestB2TCopy(utils::Expectation::Failure, source, 0, 256, 0, destination, 0, {0, 0, 0}, {4, 5, 1}); // OOB on the buffer because of the offset TestB2TCopy(utils::Expectation::Failure, source, 4, 256, 0, destination, 0, {0, 0, 0}, {4, 4, 1}); // OOB on the buffer because (bytes per row * (height - 1) + width * bytesPerPixel) * depth // overflows TestB2TCopy(utils::Expectation::Failure, source, 0, 512, 0, destination, 0, {0, 0, 0}, {4, 3, 1}); // Not OOB on the buffer although bytes per row * height overflows // but (bytes per row * (height - 1) + width * bytesPerPixel) * depth does not overflow { uint32_t sourceBufferSize = BufferSizeForTextureCopy(7, 3, 1); ASSERT_TRUE(256 * 3 > sourceBufferSize) << "bytes per row * height should overflow buffer"; wgpu::Buffer sourceBuffer = CreateBuffer(sourceBufferSize, wgpu::BufferUsage::CopySrc); TestB2TCopy(utils::Expectation::Success, source, 0, 256, 0, destination, 0, {0, 0, 0}, {7, 3, 1}); } } // Test OOB conditions on the texture TEST_F(CopyCommandTest_B2T, OutOfBoundsOnTexture) { uint64_t bufferSize = BufferSizeForTextureCopy(4, 4, 1); wgpu::Buffer source = CreateBuffer(bufferSize, wgpu::BufferUsage::CopySrc); wgpu::Texture destination = Create2DTexture(16, 16, 5, 2, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopyDst); // OOB on the texture because x + width overflows TestB2TCopy(utils::Expectation::Failure, source, 0, 256, 0, destination, 0, {13, 12, 0}, {4, 4, 1}); // OOB on the texture because y + width overflows TestB2TCopy(utils::Expectation::Failure, source, 0, 256, 0, destination, 0, {12, 13, 0}, {4, 4, 1}); // OOB on the texture because we overflow a non-zero mip TestB2TCopy(utils::Expectation::Failure, source, 0, 256, 0, destination, 2, {1, 0, 0}, {4, 4, 1}); // OOB on the texture even on an empty copy when we copy to a non-existent mip. TestB2TCopy(utils::Expectation::Failure, source, 0, 0, 0, destination, 5, {0, 0, 0}, {0, 0, 1}); // OOB on the texture because slice overflows TestB2TCopy(utils::Expectation::Failure, source, 0, 0, 0, destination, 0, {0, 0, 2}, {0, 0, 1}); } // Test that we force Depth=1 on copies to 2D textures TEST_F(CopyCommandTest_B2T, DepthConstraintFor2DTextures) { wgpu::Buffer source = CreateBuffer(16 * 4, wgpu::BufferUsage::CopySrc); wgpu::Texture destination = Create2DTexture(16, 16, 5, 1, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopyDst); // Depth > 1 on an empty copy still errors TestB2TCopy(utils::Expectation::Failure, source, 0, 0, 0, destination, 0, {0, 0, 0}, {0, 0, 2}); } // Test B2T copies with incorrect buffer usage TEST_F(CopyCommandTest_B2T, IncorrectUsage) { wgpu::Buffer source = CreateBuffer(16 * 4, wgpu::BufferUsage::CopySrc); wgpu::Buffer vertex = CreateBuffer(16 * 4, wgpu::BufferUsage::Vertex); wgpu::Texture destination = Create2DTexture(16, 16, 5, 1, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopyDst); wgpu::Texture sampled = Create2DTexture(16, 16, 5, 1, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::Sampled); // Incorrect source usage TestB2TCopy(utils::Expectation::Failure, vertex, 0, 256, 0, destination, 0, {0, 0, 0}, {4, 4, 1}); // Incorrect destination usage TestB2TCopy(utils::Expectation::Failure, source, 0, 256, 0, sampled, 0, {0, 0, 0}, {4, 4, 1}); } TEST_F(CopyCommandTest_B2T, IncorrectBytesPerRow) { uint64_t bufferSize = BufferSizeForTextureCopy(128, 16, 1); wgpu::Buffer source = CreateBuffer(bufferSize, wgpu::BufferUsage::CopySrc); wgpu::Texture destination = Create2DTexture(128, 16, 5, 1, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopyDst); // bytes per row is 0 TestB2TCopy(utils::Expectation::Failure, source, 0, 0, 0, destination, 0, {0, 0, 0}, {64, 4, 1}); // bytes per row is not 256-byte aligned TestB2TCopy(utils::Expectation::Failure, source, 0, 128, 0, destination, 0, {0, 0, 0}, {4, 4, 1}); // bytes per row is less than width * bytesPerPixel TestB2TCopy(utils::Expectation::Failure, source, 0, 256, 0, destination, 0, {0, 0, 0}, {65, 1, 1}); } TEST_F(CopyCommandTest_B2T, ImageHeightConstraint) { uint64_t bufferSize = BufferSizeForTextureCopy(5, 5, 1); wgpu::Buffer source = CreateBuffer(bufferSize, wgpu::BufferUsage::CopySrc); wgpu::Texture destination = Create2DTexture(16, 16, 1, 1, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopyDst); // Image height is zero (Valid) TestB2TCopy(utils::Expectation::Success, source, 0, 256, 0, destination, 0, {0, 0, 0}, {4, 4, 1}); // Image height is equal to copy height (Valid) TestB2TCopy(utils::Expectation::Success, source, 0, 256, 0, destination, 0, {0, 0, 0}, {4, 4, 1}); // Image height is larger than copy height (Valid) TestB2TCopy(utils::Expectation::Success, source, 0, 256, 4, destination, 0, {0, 0, 0}, {4, 4, 1}); // Image height is less than copy height (Invalid) TestB2TCopy(utils::Expectation::Failure, source, 0, 256, 3, destination, 0, {0, 0, 0}, {4, 4, 1}); } // Test B2T copies with incorrect buffer offset usage TEST_F(CopyCommandTest_B2T, IncorrectBufferOffset) { uint64_t bufferSize = BufferSizeForTextureCopy(4, 4, 1); wgpu::Buffer source = CreateBuffer(bufferSize, wgpu::BufferUsage::CopySrc); wgpu::Texture destination = Create2DTexture(16, 16, 5, 1, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopyDst); // Correct usage TestB2TCopy(utils::Expectation::Success, source, bufferSize - 4, 256, 0, destination, 0, {0, 0, 0}, {1, 1, 1}); // Incorrect usages { TestB2TCopy(utils::Expectation::Failure, source, bufferSize - 5, 256, 0, destination, 0, {0, 0, 0}, {1, 1, 1}); TestB2TCopy(utils::Expectation::Failure, source, bufferSize - 6, 256, 0, destination, 0, {0, 0, 0}, {1, 1, 1}); TestB2TCopy(utils::Expectation::Failure, source, bufferSize - 7, 256, 0, destination, 0, {0, 0, 0}, {1, 1, 1}); } } // Test multisampled textures cannot be used in B2T copies. TEST_F(CopyCommandTest_B2T, CopyToMultisampledTexture) { uint64_t bufferSize = BufferSizeForTextureCopy(16, 16, 1); wgpu::Buffer source = CreateBuffer(bufferSize, wgpu::BufferUsage::CopySrc); wgpu::Texture destination = Create2DTexture(2, 2, 1, 1, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopyDst, 4); TestB2TCopy(utils::Expectation::Failure, source, 0, 256, 0, destination, 0, {0, 0, 0}, {2, 2, 1}); } // Test B2T copies with buffer or texture in error state causes errors. TEST_F(CopyCommandTest_B2T, BufferOrTextureInErrorState) { wgpu::BufferDescriptor errorBufferDescriptor; errorBufferDescriptor.size = 4; errorBufferDescriptor.usage = wgpu::BufferUsage::MapRead | wgpu::BufferUsage::CopySrc; ASSERT_DEVICE_ERROR(wgpu::Buffer errorBuffer = device.CreateBuffer(&errorBufferDescriptor)); wgpu::TextureDescriptor errorTextureDescriptor; errorTextureDescriptor.size.depth = 0; ASSERT_DEVICE_ERROR(wgpu::Texture errorTexture = device.CreateTexture(&errorTextureDescriptor)); wgpu::BufferCopyView errorBufferCopyView = utils::CreateBufferCopyView(errorBuffer, 0, 0, 0); wgpu::TextureCopyView errorTextureCopyView = utils::CreateTextureCopyView(errorTexture, 0, {0, 0, 0}); wgpu::Extent3D extent3D = {1, 1, 1}; { wgpu::Texture destination = Create2DTexture(16, 16, 1, 1, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopyDst); wgpu::TextureCopyView textureCopyView = utils::CreateTextureCopyView(destination, 0, {0, 0, 0}); wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); encoder.CopyBufferToTexture(&errorBufferCopyView, &textureCopyView, &extent3D); ASSERT_DEVICE_ERROR(encoder.Finish()); } { uint64_t bufferSize = BufferSizeForTextureCopy(4, 4, 1); wgpu::Buffer source = CreateBuffer(bufferSize, wgpu::BufferUsage::CopySrc); wgpu::BufferCopyView bufferCopyView = utils::CreateBufferCopyView(source, 0, 0, 0); wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); encoder.CopyBufferToTexture(&bufferCopyView, &errorTextureCopyView, &extent3D); ASSERT_DEVICE_ERROR(encoder.Finish()); } } // Regression tests for a bug in the computation of texture copy buffer size in Dawn. TEST_F(CopyCommandTest_B2T, TextureCopyBufferSizeLastRowComputation) { constexpr uint32_t kBytesPerRow = 256; constexpr uint32_t kWidth = 4; constexpr uint32_t kHeight = 4; constexpr std::array kFormats = {wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureFormat::RG8Unorm}; { // kBytesPerRow * (kHeight - 1) + kWidth is not large enough to be the valid buffer size in // this test because the buffer sizes in B2T copies are not in texels but in bytes. constexpr uint32_t kInvalidBufferSize = kBytesPerRow * (kHeight - 1) + kWidth; for (wgpu::TextureFormat format : kFormats) { wgpu::Buffer source = CreateBuffer(kInvalidBufferSize, wgpu::BufferUsage::CopySrc); wgpu::Texture destination = Create2DTexture(kWidth, kHeight, 1, 1, format, wgpu::TextureUsage::CopyDst); TestB2TCopy(utils::Expectation::Failure, source, 0, kBytesPerRow, 0, destination, 0, {0, 0, 0}, {kWidth, kHeight, 1}); } } { for (wgpu::TextureFormat format : kFormats) { uint32_t validBufferSize = BufferSizeForTextureCopy(kWidth, kHeight, 1, format); wgpu::Texture destination = Create2DTexture(kWidth, kHeight, 1, 1, format, wgpu::TextureUsage::CopyDst); // Verify the return value of BufferSizeForTextureCopy() is exactly the minimum valid // buffer size in this test. { uint32_t invalidBuffferSize = validBufferSize - 1; wgpu::Buffer source = CreateBuffer(invalidBuffferSize, wgpu::BufferUsage::CopySrc); TestB2TCopy(utils::Expectation::Failure, source, 0, kBytesPerRow, 0, destination, 0, {0, 0, 0}, {kWidth, kHeight, 1}); } { wgpu::Buffer source = CreateBuffer(validBufferSize, wgpu::BufferUsage::CopySrc); TestB2TCopy(utils::Expectation::Success, source, 0, kBytesPerRow, 0, destination, 0, {0, 0, 0}, {kWidth, kHeight, 1}); } } } } // Test copy from buffer to mip map of non square texture TEST_F(CopyCommandTest_B2T, CopyToMipmapOfNonSquareTexture) { uint64_t bufferSize = BufferSizeForTextureCopy(4, 2, 1); wgpu::Buffer source = CreateBuffer(bufferSize, wgpu::BufferUsage::CopySrc); uint32_t maxMipmapLevel = 3; wgpu::Texture destination = Create2DTexture( 4, 2, maxMipmapLevel, 1, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopyDst); // Copy to top level mip map TestB2TCopy(utils::Expectation::Success, source, 0, 256, 0, destination, maxMipmapLevel - 1, {0, 0, 0}, {1, 1, 1}); // Copy to high level mip map TestB2TCopy(utils::Expectation::Success, source, 0, 256, 0, destination, maxMipmapLevel - 2, {0, 0, 0}, {2, 1, 1}); // Mip level out of range TestB2TCopy(utils::Expectation::Failure, source, 0, 256, 0, destination, maxMipmapLevel, {0, 0, 0}, {1, 1, 1}); // Copy origin out of range TestB2TCopy(utils::Expectation::Failure, source, 0, 256, 0, destination, maxMipmapLevel - 2, {1, 0, 0}, {2, 1, 1}); // Copy size out of range TestB2TCopy(utils::Expectation::Failure, source, 0, 256, 0, destination, maxMipmapLevel - 2, {0, 0, 0}, {2, 2, 1}); } class CopyCommandTest_T2B : public CopyCommandTest {}; // Test a successfull T2B copy TEST_F(CopyCommandTest_T2B, Success) { uint64_t bufferSize = BufferSizeForTextureCopy(4, 4, 1); wgpu::Texture source = Create2DTexture(16, 16, 5, 1, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopySrc); wgpu::Buffer destination = CreateBuffer(bufferSize, wgpu::BufferUsage::CopyDst); // Different copies, including some that touch the OOB condition { // Copy from 4x4 block in corner of first mip. TestT2BCopy(utils::Expectation::Success, source, 0, {0, 0, 0}, destination, 0, 256, 0, {4, 4, 1}); // Copy from 4x4 block in opposite corner of first mip. TestT2BCopy(utils::Expectation::Success, source, 0, {12, 12, 0}, destination, 0, 256, 0, {4, 4, 1}); // Copy from 4x4 block in the 4x4 mip. TestT2BCopy(utils::Expectation::Success, source, 2, {0, 0, 0}, destination, 0, 256, 0, {4, 4, 1}); // Copy with a buffer offset TestT2BCopy(utils::Expectation::Success, source, 0, {0, 0, 0}, destination, bufferSize - 4, 256, 0, {1, 1, 1}); } // Copies with a 256-byte aligned bytes per row but unaligned texture region { // Unaligned region TestT2BCopy(utils::Expectation::Success, source, 0, {0, 0, 0}, destination, 0, 256, 0, {3, 4, 1}); // Unaligned region with texture offset TestT2BCopy(utils::Expectation::Success, source, 0, {5, 7, 0}, destination, 0, 256, 0, {2, 3, 1}); // Unaligned region, with buffer offset TestT2BCopy(utils::Expectation::Success, source, 2, {0, 0, 0}, destination, 31 * 4, 256, 0, {3, 3, 1}); } // Empty copies are valid { // An empty copy TestT2BCopy(utils::Expectation::Success, source, 0, {0, 0, 0}, destination, 0, 0, 0, {0, 0, 1}); // An empty copy with depth = 0 TestT2BCopy(utils::Expectation::Success, source, 0, {0, 0, 0}, destination, 0, 0, 0, {0, 0, 0}); // An empty copy touching the end of the buffer TestT2BCopy(utils::Expectation::Success, source, 0, {0, 0, 0}, destination, bufferSize, 0, 0, {0, 0, 1}); // An empty copy touching the side of the texture TestT2BCopy(utils::Expectation::Success, source, 0, {16, 16, 0}, destination, 0, 0, 0, {0, 0, 1}); } } // Test OOB conditions on the texture TEST_F(CopyCommandTest_T2B, OutOfBoundsOnTexture) { uint64_t bufferSize = BufferSizeForTextureCopy(4, 4, 1); wgpu::Texture source = Create2DTexture(16, 16, 5, 1, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopySrc); wgpu::Buffer destination = CreateBuffer(bufferSize, wgpu::BufferUsage::CopyDst); // OOB on the texture because x + width overflows TestT2BCopy(utils::Expectation::Failure, source, 0, {13, 12, 0}, destination, 0, 256, 0, {4, 4, 1}); // OOB on the texture because y + width overflows TestT2BCopy(utils::Expectation::Failure, source, 0, {12, 13, 0}, destination, 0, 256, 0, {4, 4, 1}); // OOB on the texture because we overflow a non-zero mip TestT2BCopy(utils::Expectation::Failure, source, 2, {1, 0, 0}, destination, 0, 256, 0, {4, 4, 1}); // OOB on the texture even on an empty copy when we copy from a non-existent mip. TestT2BCopy(utils::Expectation::Failure, source, 5, {0, 0, 0}, destination, 0, 0, 0, {0, 0, 1}); } // Test OOB conditions on the buffer TEST_F(CopyCommandTest_T2B, OutOfBoundsOnBuffer) { uint64_t bufferSize = BufferSizeForTextureCopy(4, 4, 1); wgpu::Texture source = Create2DTexture(16, 16, 5, 1, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopySrc); wgpu::Buffer destination = CreateBuffer(bufferSize, wgpu::BufferUsage::CopyDst); // OOB on the buffer because we copy too many pixels TestT2BCopy(utils::Expectation::Failure, source, 0, {0, 0, 0}, destination, 0, 256, 0, {4, 5, 1}); // OOB on the buffer because of the offset TestT2BCopy(utils::Expectation::Failure, source, 0, {0, 0, 0}, destination, 4, 256, 0, {4, 4, 1}); // OOB on the buffer because (bytes per row * (height - 1) + width * bytesPerPixel) * depth // overflows TestT2BCopy(utils::Expectation::Failure, source, 0, {0, 0, 0}, destination, 0, 512, 0, {4, 3, 1}); // Not OOB on the buffer although bytes per row * height overflows // but (bytes per row * (height - 1) + width * bytesPerPixel) * depth does not overflow { uint32_t destinationBufferSize = BufferSizeForTextureCopy(7, 3, 1); ASSERT_TRUE(256 * 3 > destinationBufferSize) << "bytes per row * height should overflow buffer"; wgpu::Buffer destinationBuffer = CreateBuffer(destinationBufferSize, wgpu::BufferUsage::CopyDst); TestT2BCopy(utils::Expectation::Success, source, 0, {0, 0, 0}, destinationBuffer, 0, 256, 0, {7, 3, 1}); } } // Test that we force Depth=1 on copies from to 2D textures TEST_F(CopyCommandTest_T2B, DepthConstraintFor2DTextures) { uint64_t bufferSize = BufferSizeForTextureCopy(4, 4, 1); wgpu::Texture source = Create2DTexture(16, 16, 5, 1, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopySrc); wgpu::Buffer destination = CreateBuffer(bufferSize, wgpu::BufferUsage::CopyDst); // Depth > 1 on an empty copy still errors TestT2BCopy(utils::Expectation::Failure, source, 0, {0, 0, 0}, destination, 0, 0, 0, {0, 0, 2}); } // Test T2B copies with incorrect buffer usage TEST_F(CopyCommandTest_T2B, IncorrectUsage) { uint64_t bufferSize = BufferSizeForTextureCopy(4, 4, 1); wgpu::Texture source = Create2DTexture(16, 16, 5, 1, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopySrc); wgpu::Texture sampled = Create2DTexture(16, 16, 5, 1, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::Sampled); wgpu::Buffer destination = CreateBuffer(bufferSize, wgpu::BufferUsage::CopyDst); wgpu::Buffer vertex = CreateBuffer(bufferSize, wgpu::BufferUsage::Vertex); // Incorrect source usage TestT2BCopy(utils::Expectation::Failure, sampled, 0, {0, 0, 0}, destination, 0, 256, 0, {4, 4, 1}); // Incorrect destination usage TestT2BCopy(utils::Expectation::Failure, source, 0, {0, 0, 0}, vertex, 0, 256, 0, {4, 4, 1}); } TEST_F(CopyCommandTest_T2B, IncorrectBytesPerRow) { uint64_t bufferSize = BufferSizeForTextureCopy(128, 16, 1); wgpu::Texture source = Create2DTexture(128, 16, 5, 1, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopyDst); wgpu::Buffer destination = CreateBuffer(bufferSize, wgpu::BufferUsage::CopySrc); // bytes per row is 0 TestT2BCopy(utils::Expectation::Failure, source, 0, {0, 0, 0}, destination, 0, 256, 0, {64, 4, 1}); // bytes per row is not 256-byte aligned TestT2BCopy(utils::Expectation::Failure, source, 0, {0, 0, 0}, destination, 0, 257, 0, {4, 4, 1}); // bytes per row is less than width * bytesPerPixel TestT2BCopy(utils::Expectation::Failure, source, 0, {0, 0, 0}, destination, 0, 256, 0, {65, 1, 1}); } TEST_F(CopyCommandTest_T2B, ImageHeightConstraint) { uint64_t bufferSize = BufferSizeForTextureCopy(5, 5, 1); wgpu::Texture source = Create2DTexture(16, 16, 1, 1, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopySrc); wgpu::Buffer destination = CreateBuffer(bufferSize, wgpu::BufferUsage::CopyDst); // Image height is zero (Valid) TestT2BCopy(utils::Expectation::Success, source, 0, {0, 0, 0}, destination, 0, 256, 0, {4, 4, 1}); // Image height is equal to copy height (Valid) TestT2BCopy(utils::Expectation::Success, source, 0, {0, 0, 0}, destination, 0, 256, 4, {4, 4, 1}); // Image height exceeds copy height (Valid) TestT2BCopy(utils::Expectation::Success, source, 0, {0, 0, 0}, destination, 0, 256, 5, {4, 4, 1}); // Image height is less than copy height (Invalid) TestT2BCopy(utils::Expectation::Failure, source, 0, {0, 0, 0}, destination, 0, 256, 3, {4, 4, 1}); } // Test T2B copies with incorrect buffer offset usage TEST_F(CopyCommandTest_T2B, IncorrectBufferOffset) { uint64_t bufferSize = BufferSizeForTextureCopy(128, 16, 1); wgpu::Texture source = Create2DTexture(128, 16, 5, 1, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopySrc); wgpu::Buffer destination = CreateBuffer(bufferSize, wgpu::BufferUsage::CopyDst); // Correct usage TestT2BCopy(utils::Expectation::Success, source, 0, {0, 0, 0}, destination, bufferSize - 4, 256, 0, {1, 1, 1}); // Incorrect usages TestT2BCopy(utils::Expectation::Failure, source, 0, {0, 0, 0}, destination, bufferSize - 5, 256, 0, {1, 1, 1}); TestT2BCopy(utils::Expectation::Failure, source, 0, {0, 0, 0}, destination, bufferSize - 6, 256, 0, {1, 1, 1}); TestT2BCopy(utils::Expectation::Failure, source, 0, {0, 0, 0}, destination, bufferSize - 7, 256, 0, {1, 1, 1}); } // Test multisampled textures cannot be used in T2B copies. TEST_F(CopyCommandTest_T2B, CopyFromMultisampledTexture) { wgpu::Texture source = Create2DTexture(2, 2, 1, 1, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopySrc, 4); uint64_t bufferSize = BufferSizeForTextureCopy(16, 16, 1); wgpu::Buffer destination = CreateBuffer(bufferSize, wgpu::BufferUsage::CopyDst); TestT2BCopy(utils::Expectation::Failure, source, 0, {0, 0, 0}, destination, 0, 256, 0, {2, 2, 1}); } // Test T2B copies with buffer or texture in error state cause errors. TEST_F(CopyCommandTest_T2B, BufferOrTextureInErrorState) { wgpu::BufferDescriptor errorBufferDescriptor; errorBufferDescriptor.size = 4; errorBufferDescriptor.usage = wgpu::BufferUsage::MapRead | wgpu::BufferUsage::CopySrc; ASSERT_DEVICE_ERROR(wgpu::Buffer errorBuffer = device.CreateBuffer(&errorBufferDescriptor)); wgpu::TextureDescriptor errorTextureDescriptor; errorTextureDescriptor.size.depth = 0; ASSERT_DEVICE_ERROR(wgpu::Texture errorTexture = device.CreateTexture(&errorTextureDescriptor)); wgpu::BufferCopyView errorBufferCopyView = utils::CreateBufferCopyView(errorBuffer, 0, 0, 0); wgpu::TextureCopyView errorTextureCopyView = utils::CreateTextureCopyView(errorTexture, 0, {0, 0, 0}); wgpu::Extent3D extent3D = {1, 1, 1}; { uint64_t bufferSize = BufferSizeForTextureCopy(4, 4, 1); wgpu::Buffer source = CreateBuffer(bufferSize, wgpu::BufferUsage::CopySrc); wgpu::BufferCopyView bufferCopyView = utils::CreateBufferCopyView(source, 0, 0, 0); wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); encoder.CopyTextureToBuffer(&errorTextureCopyView, &bufferCopyView, &extent3D); ASSERT_DEVICE_ERROR(encoder.Finish()); } { wgpu::Texture destination = Create2DTexture(16, 16, 1, 1, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopyDst); wgpu::TextureCopyView textureCopyView = utils::CreateTextureCopyView(destination, 0, {0, 0, 0}); wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); encoder.CopyTextureToBuffer(&textureCopyView, &errorBufferCopyView, &extent3D); ASSERT_DEVICE_ERROR(encoder.Finish()); } } // Regression tests for a bug in the computation of texture copy buffer size in Dawn. TEST_F(CopyCommandTest_T2B, TextureCopyBufferSizeLastRowComputation) { constexpr uint32_t kBytesPerRow = 256; constexpr uint32_t kWidth = 4; constexpr uint32_t kHeight = 4; constexpr std::array kFormats = {wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureFormat::RG8Unorm}; { // kBytesPerRow * (kHeight - 1) + kWidth is not large enough to be the valid buffer size in // this test because the buffer sizes in T2B copies are not in texels but in bytes. constexpr uint32_t kInvalidBufferSize = kBytesPerRow * (kHeight - 1) + kWidth; for (wgpu::TextureFormat format : kFormats) { wgpu::Texture source = Create2DTexture(kWidth, kHeight, 1, 1, format, wgpu::TextureUsage::CopyDst); wgpu::Buffer destination = CreateBuffer(kInvalidBufferSize, wgpu::BufferUsage::CopySrc); TestT2BCopy(utils::Expectation::Failure, source, 0, {0, 0, 0}, destination, 0, kBytesPerRow, 0, {kWidth, kHeight, 1}); } } { for (wgpu::TextureFormat format : kFormats) { uint32_t validBufferSize = BufferSizeForTextureCopy(kWidth, kHeight, 1, format); wgpu::Texture source = Create2DTexture(kWidth, kHeight, 1, 1, format, wgpu::TextureUsage::CopySrc); // Verify the return value of BufferSizeForTextureCopy() is exactly the minimum valid // buffer size in this test. { uint32_t invalidBufferSize = validBufferSize - 1; wgpu::Buffer destination = CreateBuffer(invalidBufferSize, wgpu::BufferUsage::CopyDst); TestT2BCopy(utils::Expectation::Failure, source, 0, {0, 0, 0}, destination, 0, kBytesPerRow, 0, {kWidth, kHeight, 1}); } { wgpu::Buffer destination = CreateBuffer(validBufferSize, wgpu::BufferUsage::CopyDst); TestT2BCopy(utils::Expectation::Success, source, 0, {0, 0, 0}, destination, 0, kBytesPerRow, 0, {kWidth, kHeight, 1}); } } } } // Test copy from mip map of non square texture to buffer TEST_F(CopyCommandTest_T2B, CopyFromMipmapOfNonSquareTexture) { uint32_t maxMipmapLevel = 3; wgpu::Texture source = Create2DTexture(4, 2, maxMipmapLevel, 1, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopySrc); uint64_t bufferSize = BufferSizeForTextureCopy(4, 2, 1); wgpu::Buffer destination = CreateBuffer(bufferSize, wgpu::BufferUsage::CopyDst); // Copy from top level mip map TestT2BCopy(utils::Expectation::Success, source, maxMipmapLevel - 1, {0, 0, 0}, destination, 0, 256, 0, {1, 1, 1}); // Copy from high level mip map TestT2BCopy(utils::Expectation::Success, source, maxMipmapLevel - 2, {0, 0, 0}, destination, 0, 256, 0, {2, 1, 1}); // Mip level out of range TestT2BCopy(utils::Expectation::Failure, source, maxMipmapLevel, {0, 0, 0}, destination, 0, 256, 0, {2, 1, 1}); // Copy origin out of range TestT2BCopy(utils::Expectation::Failure, source, maxMipmapLevel - 2, {2, 0, 0}, destination, 0, 256, 0, {2, 1, 1}); // Copy size out of range TestT2BCopy(utils::Expectation::Failure, source, maxMipmapLevel - 2, {1, 0, 0}, destination, 0, 256, 0, {2, 1, 1}); } class CopyCommandTest_T2T : public CopyCommandTest {}; TEST_F(CopyCommandTest_T2T, Success) { wgpu::Texture source = Create2DTexture(16, 16, 5, 4, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopySrc); wgpu::Texture destination = Create2DTexture(16, 16, 5, 4, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopyDst); // Different copies, including some that touch the OOB condition { // Copy a region along top left boundary TestT2TCopy(utils::Expectation::Success, source, 0, {0, 0, 0}, destination, 0, {0, 0, 0}, {4, 4, 1}); // Copy entire texture TestT2TCopy(utils::Expectation::Success, source, 0, {0, 0, 0}, destination, 0, {0, 0, 0}, {16, 16, 1}); // Copy a region along bottom right boundary TestT2TCopy(utils::Expectation::Success, source, 0, {8, 8, 0}, destination, 0, {8, 8, 0}, {8, 8, 1}); // Copy region into mip TestT2TCopy(utils::Expectation::Success, source, 0, {0, 0, 0}, destination, 2, {0, 0, 0}, {4, 4, 1}); // Copy mip into region TestT2TCopy(utils::Expectation::Success, source, 2, {0, 0, 0}, destination, 0, {0, 0, 0}, {4, 4, 1}); // Copy between slices TestT2TCopy(utils::Expectation::Success, source, 0, {0, 0, 1}, destination, 0, {0, 0, 1}, {16, 16, 1}); // Copy multiple slices (srcTextureCopyView.arrayLayer + copySize.depth == // srcTextureCopyView.texture.arrayLayerCount) TestT2TCopy(utils::Expectation::Success, source, 0, {0, 0, 2}, destination, 0, {0, 0, 0}, {16, 16, 2}); // Copy multiple slices (dstTextureCopyView.arrayLayer + copySize.depth == // dstTextureCopyView.texture.arrayLayerCount) TestT2TCopy(utils::Expectation::Success, source, 0, {0, 0, 0}, destination, 0, {0, 0, 2}, {16, 16, 2}); } // Empty copies are valid { // An empty copy TestT2TCopy(utils::Expectation::Success, source, 0, {0, 0, 0}, destination, 0, {0, 0, 0}, {0, 0, 1}); // An empty copy with depth = 0 TestT2TCopy(utils::Expectation::Success, source, 0, {0, 0, 0}, destination, 0, {0, 0, 0}, {0, 0, 0}); // An empty copy touching the side of the source texture TestT2TCopy(utils::Expectation::Success, source, 0, {0, 0, 0}, destination, 0, {16, 16, 0}, {0, 0, 1}); // An empty copy touching the side of the destination texture TestT2TCopy(utils::Expectation::Success, source, 0, {0, 0, 0}, destination, 0, {16, 16, 0}, {0, 0, 1}); } } TEST_F(CopyCommandTest_T2T, IncorrectUsage) { wgpu::Texture source = Create2DTexture(16, 16, 5, 2, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopySrc); wgpu::Texture destination = Create2DTexture(16, 16, 5, 2, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopyDst); // Incorrect source usage causes failure TestT2TCopy(utils::Expectation::Failure, destination, 0, {0, 0, 0}, destination, 0, {0, 0, 0}, {16, 16, 1}); // Incorrect destination usage causes failure TestT2TCopy(utils::Expectation::Failure, source, 0, {0, 0, 0}, source, 0, {0, 0, 0}, {16, 16, 1}); } TEST_F(CopyCommandTest_T2T, OutOfBounds) { wgpu::Texture source = Create2DTexture(16, 16, 5, 4, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopySrc); wgpu::Texture destination = Create2DTexture(16, 16, 5, 4, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopyDst); // OOB on source { // x + width overflows TestT2TCopy(utils::Expectation::Failure, source, 0, {1, 0, 0}, destination, 0, {0, 0, 0}, {16, 16, 1}); // y + height overflows TestT2TCopy(utils::Expectation::Failure, source, 0, {0, 1, 0}, destination, 0, {0, 0, 0}, {16, 16, 1}); // non-zero mip overflows TestT2TCopy(utils::Expectation::Failure, source, 1, {0, 0, 0}, destination, 0, {0, 0, 0}, {9, 9, 1}); // arrayLayer + depth OOB TestT2TCopy(utils::Expectation::Failure, source, 0, {0, 0, 3}, destination, 0, {0, 0, 0}, {16, 16, 2}); // empty copy on non-existent mip fails TestT2TCopy(utils::Expectation::Failure, source, 6, {0, 0, 0}, destination, 0, {0, 0, 0}, {0, 0, 1}); // empty copy from non-existent slice fails TestT2TCopy(utils::Expectation::Failure, source, 0, {0, 0, 4}, destination, 0, {0, 0, 0}, {0, 0, 1}); } // OOB on destination { // x + width overflows TestT2TCopy(utils::Expectation::Failure, source, 0, {0, 0, 0}, destination, 0, {1, 0, 0}, {16, 16, 1}); // y + height overflows TestT2TCopy(utils::Expectation::Failure, source, 0, {0, 0, 0}, destination, 0, {0, 1, 0}, {16, 16, 1}); // non-zero mip overflows TestT2TCopy(utils::Expectation::Failure, source, 0, {0, 0, 0}, destination, 1, {0, 0, 0}, {9, 9, 1}); // arrayLayer + depth OOB TestT2TCopy(utils::Expectation::Failure, source, 0, {0, 0, 0}, destination, 0, {0, 0, 3}, {16, 16, 2}); // empty copy on non-existent mip fails TestT2TCopy(utils::Expectation::Failure, source, 0, {0, 0, 0}, destination, 6, {0, 0, 0}, {0, 0, 1}); // empty copy on non-existent slice fails TestT2TCopy(utils::Expectation::Failure, source, 0, {0, 0, 0}, destination, 0, {0, 0, 4}, {0, 0, 1}); } } TEST_F(CopyCommandTest_T2T, 2DTextureDepthStencil) { wgpu::Texture source = Create2DTexture(16, 16, 1, 1, wgpu::TextureFormat::Depth24PlusStencil8, wgpu::TextureUsage::CopySrc); wgpu::Texture destination = Create2DTexture( 16, 16, 1, 1, wgpu::TextureFormat::Depth24PlusStencil8, wgpu::TextureUsage::CopyDst); // Success when entire depth stencil subresource is copied TestT2TCopy(utils::Expectation::Success, source, 0, {0, 0, 0}, destination, 0, {0, 0, 0}, {16, 16, 1}); // Failure when depth stencil subresource is partially copied TestT2TCopy(utils::Expectation::Failure, source, 0, {0, 0, 0}, destination, 0, {0, 0, 0}, {15, 15, 1}); } TEST_F(CopyCommandTest_T2T, 2DTextureArrayDepthStencil) { { wgpu::Texture source = Create2DTexture(16, 16, 1, 3, wgpu::TextureFormat::Depth24PlusStencil8, wgpu::TextureUsage::CopySrc); wgpu::Texture destination = Create2DTexture( 16, 16, 1, 1, wgpu::TextureFormat::Depth24PlusStencil8, wgpu::TextureUsage::CopyDst); // Success when entire depth stencil subresource (layer) is the copy source TestT2TCopy(utils::Expectation::Success, source, 0, {0, 0, 1}, destination, 0, {0, 0, 0}, {16, 16, 1}); } { wgpu::Texture source = Create2DTexture(16, 16, 1, 1, wgpu::TextureFormat::Depth24PlusStencil8, wgpu::TextureUsage::CopySrc); wgpu::Texture destination = Create2DTexture( 16, 16, 1, 3, wgpu::TextureFormat::Depth24PlusStencil8, wgpu::TextureUsage::CopyDst); // Success when entire depth stencil subresource (layer) is the copy destination TestT2TCopy(utils::Expectation::Success, source, 0, {0, 0, 0}, destination, 0, {0, 0, 1}, {16, 16, 1}); } { wgpu::Texture source = Create2DTexture(16, 16, 1, 3, wgpu::TextureFormat::Depth24PlusStencil8, wgpu::TextureUsage::CopySrc); wgpu::Texture destination = Create2DTexture( 16, 16, 1, 3, wgpu::TextureFormat::Depth24PlusStencil8, wgpu::TextureUsage::CopyDst); // Success when src and dst are an entire depth stencil subresource (layer) TestT2TCopy(utils::Expectation::Success, source, 0, {0, 0, 2}, destination, 0, {0, 0, 1}, {16, 16, 1}); // Success when src and dst are an array of entire depth stencil subresources TestT2TCopy(utils::Expectation::Success, source, 0, {0, 0, 1}, destination, 0, {0, 0, 0}, {16, 16, 2}); } } TEST_F(CopyCommandTest_T2T, FormatsMismatch) { wgpu::Texture source = Create2DTexture(16, 16, 5, 2, wgpu::TextureFormat::RGBA8Uint, wgpu::TextureUsage::CopySrc); wgpu::Texture destination = Create2DTexture(16, 16, 5, 2, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopyDst); // Failure when formats don't match TestT2TCopy(utils::Expectation::Failure, source, 0, {0, 0, 0}, destination, 0, {0, 0, 0}, {0, 0, 1}); } TEST_F(CopyCommandTest_T2T, MultisampledCopies) { wgpu::Texture sourceMultiSampled1x = Create2DTexture( 16, 16, 1, 1, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopySrc, 1); wgpu::Texture sourceMultiSampled4x = Create2DTexture( 16, 16, 1, 1, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopySrc, 4); wgpu::Texture destinationMultiSampled4x = Create2DTexture( 16, 16, 1, 1, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopyDst, 4); // Success when entire multisampled subresource is copied { TestT2TCopy(utils::Expectation::Success, sourceMultiSampled4x, 0, {0, 0, 0}, destinationMultiSampled4x, 0, {0, 0, 0}, {16, 16, 1}); } // Failures { // An empty copy with mismatched samples fails TestT2TCopy(utils::Expectation::Failure, sourceMultiSampled1x, 0, {0, 0, 0}, destinationMultiSampled4x, 0, {0, 0, 0}, {0, 0, 1}); // A copy fails when samples are greater than 1, and entire subresource isn't copied TestT2TCopy(utils::Expectation::Failure, sourceMultiSampled4x, 0, {0, 0, 0}, destinationMultiSampled4x, 0, {0, 0, 0}, {15, 15, 1}); } } // Test copy to mip map of non square textures TEST_F(CopyCommandTest_T2T, CopyToMipmapOfNonSquareTexture) { uint32_t maxMipmapLevel = 3; wgpu::Texture source = Create2DTexture(4, 2, maxMipmapLevel, 1, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopySrc); wgpu::Texture destination = Create2DTexture( 4, 2, maxMipmapLevel, 1, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopyDst); // Copy to top level mip map TestT2TCopy(utils::Expectation::Success, source, maxMipmapLevel - 1, {0, 0, 0}, destination, maxMipmapLevel - 1, {0, 0, 0}, {1, 1, 1}); // Copy to high level mip map TestT2TCopy(utils::Expectation::Success, source, maxMipmapLevel - 2, {0, 0, 0}, destination, maxMipmapLevel - 2, {0, 0, 0}, {2, 1, 1}); // Mip level out of range TestT2TCopy(utils::Expectation::Failure, source, maxMipmapLevel, {0, 0, 0}, destination, maxMipmapLevel, {0, 0, 0}, {2, 1, 1}); // Copy origin out of range TestT2TCopy(utils::Expectation::Failure, source, maxMipmapLevel - 2, {2, 0, 0}, destination, maxMipmapLevel - 2, {2, 0, 0}, {2, 1, 1}); // Copy size out of range TestT2TCopy(utils::Expectation::Failure, source, maxMipmapLevel - 2, {1, 0, 0}, destination, maxMipmapLevel - 2, {0, 0, 0}, {2, 1, 1}); } // Test copy within the same texture TEST_F(CopyCommandTest_T2T, CopyWithinSameTexture) { wgpu::Texture texture = Create2DTexture(32, 32, 2, 4, wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::CopyDst); // The base array layer of the copy source being equal to that of the copy destination is not // allowed. { constexpr uint32_t kBaseArrayLayer = 0; // copyExtent.z == 1 { constexpr uint32_t kCopyArrayLayerCount = 1; TestT2TCopy(utils::Expectation::Failure, texture, 0, {0, 0, kBaseArrayLayer}, texture, 0, {2, 2, kBaseArrayLayer}, {1, 1, kCopyArrayLayerCount}); } // copyExtent.z > 1 { constexpr uint32_t kCopyArrayLayerCount = 2; TestT2TCopy(utils::Expectation::Failure, texture, 0, {0, 0, kBaseArrayLayer}, texture, 0, {2, 2, kBaseArrayLayer}, {1, 1, kCopyArrayLayerCount}); } } // The array slices of the source involved in the copy have no overlap with those of the // destination is allowed. { constexpr uint32_t kCopyArrayLayerCount = 2; // srcBaseArrayLayer < dstBaseArrayLayer { constexpr uint32_t kSrcBaseArrayLayer = 0; constexpr uint32_t kDstBaseArrayLayer = kSrcBaseArrayLayer + kCopyArrayLayerCount; TestT2TCopy(utils::Expectation::Success, texture, 0, {0, 0, kSrcBaseArrayLayer}, texture, 0, {0, 0, kDstBaseArrayLayer}, {1, 1, kCopyArrayLayerCount}); } // srcBaseArrayLayer > dstBaseArrayLayer { constexpr uint32_t kSrcBaseArrayLayer = 2; constexpr uint32_t kDstBaseArrayLayer = kSrcBaseArrayLayer - kCopyArrayLayerCount; TestT2TCopy(utils::Expectation::Success, texture, 0, {0, 0, kSrcBaseArrayLayer}, texture, 0, {0, 0, kDstBaseArrayLayer}, {1, 1, kCopyArrayLayerCount}); } } // Copy between different mipmap levels is allowed. { constexpr uint32_t kSrcMipLevel = 0; constexpr uint32_t kDstMipLevel = 1; // Copy one slice { constexpr uint32_t kCopyArrayLayerCount = 1; TestT2TCopy(utils::Expectation::Success, texture, kSrcMipLevel, {0, 0, 0}, texture, kDstMipLevel, {1, 1, 0}, {1, 1, kCopyArrayLayerCount}); } // The base array layer of the copy source is equal to that of the copy destination. { constexpr uint32_t kCopyArrayLayerCount = 2; constexpr uint32_t kBaseArrayLayer = 0; TestT2TCopy(utils::Expectation::Success, texture, kSrcMipLevel, {0, 0, kBaseArrayLayer}, texture, kDstMipLevel, {1, 1, kBaseArrayLayer}, {1, 1, kCopyArrayLayerCount}); } // The array slices of the source involved in the copy have overlaps with those of the // destination, and the copy areas have overlaps. { constexpr uint32_t kCopyArrayLayerCount = 2; constexpr uint32_t kSrcBaseArrayLayer = 0; constexpr uint32_t kDstBaseArrayLayer = 1; ASSERT(kSrcBaseArrayLayer + kCopyArrayLayerCount > kDstBaseArrayLayer); constexpr wgpu::Extent3D kCopyExtent = {1, 1, kCopyArrayLayerCount}; TestT2TCopy(utils::Expectation::Success, texture, kSrcMipLevel, {0, 0, kSrcBaseArrayLayer}, texture, kDstMipLevel, {0, 0, kDstBaseArrayLayer}, kCopyExtent); } } // The array slices of the source involved in the copy have overlaps with those of the // destination is not allowed. { constexpr uint32_t kMipmapLevel = 0; constexpr uint32_t kMinBaseArrayLayer = 0; constexpr uint32_t kMaxBaseArrayLayer = 1; constexpr uint32_t kCopyArrayLayerCount = 3; ASSERT(kMinBaseArrayLayer + kCopyArrayLayerCount > kMaxBaseArrayLayer); constexpr wgpu::Extent3D kCopyExtent = {4, 4, kCopyArrayLayerCount}; const wgpu::Origin3D srcOrigin = {0, 0, kMinBaseArrayLayer}; const wgpu::Origin3D dstOrigin = {4, 4, kMaxBaseArrayLayer}; TestT2TCopy(utils::Expectation::Failure, texture, kMipmapLevel, srcOrigin, texture, kMipmapLevel, dstOrigin, kCopyExtent); } // Copy between different mipmap levels and array slices is allowed. TestT2TCopy(utils::Expectation::Success, texture, 0, {0, 0, 1}, texture, 1, {1, 1, 0}, {1, 1, 1}); } class CopyCommandTest_CompressedTextureFormats : public CopyCommandTest { public: CopyCommandTest_CompressedTextureFormats() : CopyCommandTest() { device = CreateDeviceFromAdapter(adapter, {"texture_compression_bc"}); } protected: wgpu::Texture Create2DTexture(wgpu::TextureFormat format, uint32_t mipmapLevels = 1, uint32_t width = kWidth, uint32_t height = kHeight) { constexpr wgpu::TextureUsage kUsage = wgpu::TextureUsage::CopyDst | wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::Sampled; constexpr uint32_t kArrayLayers = 1; return CopyCommandTest::Create2DTexture(width, height, mipmapLevels, kArrayLayers, format, kUsage, 1); } static uint32_t CompressedFormatBlockSizeInBytes(wgpu::TextureFormat format) { switch (format) { case wgpu::TextureFormat::BC1RGBAUnorm: case wgpu::TextureFormat::BC1RGBAUnormSrgb: case wgpu::TextureFormat::BC4RSnorm: case wgpu::TextureFormat::BC4RUnorm: return 8; case wgpu::TextureFormat::BC2RGBAUnorm: case wgpu::TextureFormat::BC2RGBAUnormSrgb: case wgpu::TextureFormat::BC3RGBAUnorm: case wgpu::TextureFormat::BC3RGBAUnormSrgb: case wgpu::TextureFormat::BC5RGSnorm: case wgpu::TextureFormat::BC5RGUnorm: case wgpu::TextureFormat::BC6HRGBSfloat: case wgpu::TextureFormat::BC6HRGBUfloat: case wgpu::TextureFormat::BC7RGBAUnorm: case wgpu::TextureFormat::BC7RGBAUnormSrgb: return 16; default: UNREACHABLE(); return 0; } } void TestBothTBCopies(utils::Expectation expectation, wgpu::Buffer buffer, uint64_t bufferOffset, uint32_t bufferBytesPerRow, uint32_t rowsPerImage, wgpu::Texture texture, uint32_t level, wgpu::Origin3D origin, wgpu::Extent3D extent3D) { TestB2TCopy(expectation, buffer, bufferOffset, bufferBytesPerRow, rowsPerImage, texture, level, origin, extent3D); TestT2BCopy(expectation, texture, level, origin, buffer, bufferOffset, bufferBytesPerRow, rowsPerImage, extent3D); } void TestBothT2TCopies(utils::Expectation expectation, wgpu::Texture texture1, uint32_t level1, wgpu::Origin3D origin1, wgpu::Texture texture2, uint32_t level2, wgpu::Origin3D origin2, wgpu::Extent3D extent3D) { TestT2TCopy(expectation, texture1, level1, origin1, texture2, level2, origin2, extent3D); TestT2TCopy(expectation, texture2, level2, origin2, texture1, level1, origin1, extent3D); } static constexpr uint32_t kWidth = 16; static constexpr uint32_t kHeight = 16; const std::array kBCFormats = { wgpu::TextureFormat::BC1RGBAUnorm, wgpu::TextureFormat::BC1RGBAUnormSrgb, wgpu::TextureFormat::BC2RGBAUnorm, wgpu::TextureFormat::BC2RGBAUnormSrgb, wgpu::TextureFormat::BC3RGBAUnorm, wgpu::TextureFormat::BC3RGBAUnormSrgb, wgpu::TextureFormat::BC4RUnorm, wgpu::TextureFormat::BC4RSnorm, wgpu::TextureFormat::BC5RGUnorm, wgpu::TextureFormat::BC5RGSnorm, wgpu::TextureFormat::BC6HRGBUfloat, wgpu::TextureFormat::BC6HRGBSfloat, wgpu::TextureFormat::BC7RGBAUnorm, wgpu::TextureFormat::BC7RGBAUnormSrgb}; }; // Tests to verify that bufferOffset must be a multiple of the compressed texture blocks in bytes // in buffer-to-texture or texture-to-buffer copies with compressed texture formats. TEST_F(CopyCommandTest_CompressedTextureFormats, BufferOffset) { wgpu::Buffer buffer = CreateBuffer(512, wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst); for (wgpu::TextureFormat bcFormat : kBCFormats) { wgpu::Texture texture = Create2DTexture(bcFormat); // Valid usages of BufferOffset in B2T and T2B copies with compressed texture formats. { uint32_t validBufferOffset = CompressedFormatBlockSizeInBytes(bcFormat); TestBothTBCopies(utils::Expectation::Success, buffer, validBufferOffset, 256, 4, texture, 0, {0, 0, 0}, {4, 4, 1}); } // Failures on invalid bufferOffset. { uint32_t kInvalidBufferOffset = CompressedFormatBlockSizeInBytes(bcFormat) / 2; TestBothTBCopies(utils::Expectation::Failure, buffer, kInvalidBufferOffset, 256, 4, texture, 0, {0, 0, 0}, {4, 4, 1}); } } } // Tests to verify that bytesPerRow must not be less than (width / blockWidth) * blockSizeInBytes. // Note that in Dawn we require bytesPerRow be a multiple of 256, which ensures bytesPerRow will // always be the multiple of compressed texture block width in bytes. TEST_F(CopyCommandTest_CompressedTextureFormats, BytesPerRow) { wgpu::Buffer buffer = CreateBuffer(1024, wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst); { constexpr uint32_t kTestWidth = 160; constexpr uint32_t kTestHeight = 160; // Failures on the BytesPerRow that is not large enough. { constexpr uint32_t kSmallBytesPerRow = 256; for (wgpu::TextureFormat bcFormat : kBCFormats) { wgpu::Texture texture = Create2DTexture(bcFormat, 1, kTestWidth, kTestHeight); TestBothTBCopies(utils::Expectation::Failure, buffer, 0, kSmallBytesPerRow, 4, texture, 0, {0, 0, 0}, {kTestWidth, 4, 1}); } } // Test it is not valid to use a BytesPerRow that is not a multiple of 256. { for (wgpu::TextureFormat bcFormat : kBCFormats) { wgpu::Texture texture = Create2DTexture(bcFormat, 1, kTestWidth, kTestHeight); uint32_t inValidBytesPerRow = kTestWidth / 4 * CompressedFormatBlockSizeInBytes(bcFormat); ASSERT_NE(0u, inValidBytesPerRow % 256); TestBothTBCopies(utils::Expectation::Failure, buffer, 0, inValidBytesPerRow, 4, texture, 0, {0, 0, 0}, {kTestWidth, 4, 1}); } } // Test the smallest valid BytesPerRow should work. { for (wgpu::TextureFormat bcFormat : kBCFormats) { wgpu::Texture texture = Create2DTexture(bcFormat, 1, kTestWidth, kTestHeight); uint32_t smallestValidBytesPerRow = Align(kTestWidth / 4 * CompressedFormatBlockSizeInBytes(bcFormat), 256); TestBothTBCopies(utils::Expectation::Success, buffer, 0, smallestValidBytesPerRow, 4, texture, 0, {0, 0, 0}, {kTestWidth, 4, 1}); } } } } // Tests to verify that rowsPerImage must be a multiple of the compressed texture block height in // buffer-to-texture or texture-to-buffer copies with compressed texture formats. TEST_F(CopyCommandTest_CompressedTextureFormats, ImageHeight) { wgpu::Buffer buffer = CreateBuffer(512, wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst); for (wgpu::TextureFormat bcFormat : kBCFormats) { wgpu::Texture texture = Create2DTexture(bcFormat); // Valid usages of rowsPerImage in B2T and T2B copies with compressed texture formats. { constexpr uint32_t kValidImageHeight = 8; TestBothTBCopies(utils::Expectation::Success, buffer, 0, 256, kValidImageHeight, texture, 0, {0, 0, 0}, {4, 4, 1}); } // Failures on invalid rowsPerImage. { constexpr uint32_t kInvalidImageHeight = 3; TestBothTBCopies(utils::Expectation::Failure, buffer, 0, 256, kInvalidImageHeight, texture, 0, {0, 0, 0}, {4, 4, 1}); } } } // Tests to verify that ImageOffset.x must be a multiple of the compressed texture block width and // ImageOffset.y must be a multiple of the compressed texture block height in buffer-to-texture, // texture-to-buffer or texture-to-texture copies with compressed texture formats. TEST_F(CopyCommandTest_CompressedTextureFormats, ImageOffset) { wgpu::Buffer buffer = CreateBuffer(512, wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst); for (wgpu::TextureFormat bcFormat : kBCFormats) { wgpu::Texture texture = Create2DTexture(bcFormat); wgpu::Texture texture2 = Create2DTexture(bcFormat); constexpr wgpu::Origin3D kSmallestValidOrigin3D = {4, 4, 0}; // Valid usages of ImageOffset in B2T, T2B and T2T copies with compressed texture formats. { TestBothTBCopies(utils::Expectation::Success, buffer, 0, 256, 4, texture, 0, kSmallestValidOrigin3D, {4, 4, 1}); TestBothT2TCopies(utils::Expectation::Success, texture, 0, {0, 0, 0}, texture2, 0, kSmallestValidOrigin3D, {4, 4, 1}); } // Failures on invalid ImageOffset.x. { constexpr wgpu::Origin3D kInvalidOrigin3D = {kSmallestValidOrigin3D.x - 1, kSmallestValidOrigin3D.y, 0}; TestBothTBCopies(utils::Expectation::Failure, buffer, 0, 256, 4, texture, 0, kInvalidOrigin3D, {4, 4, 1}); TestBothT2TCopies(utils::Expectation::Failure, texture, 0, kInvalidOrigin3D, texture2, 0, {0, 0, 0}, {4, 4, 1}); } // Failures on invalid ImageOffset.y. { constexpr wgpu::Origin3D kInvalidOrigin3D = {kSmallestValidOrigin3D.x, kSmallestValidOrigin3D.y - 1, 0}; TestBothTBCopies(utils::Expectation::Failure, buffer, 0, 256, 4, texture, 0, kInvalidOrigin3D, {4, 4, 1}); TestBothT2TCopies(utils::Expectation::Failure, texture, 0, kInvalidOrigin3D, texture2, 0, {0, 0, 0}, {4, 4, 1}); } } } // Tests to verify that ImageExtent.x must be a multiple of the compressed texture block width and // ImageExtent.y must be a multiple of the compressed texture block height in buffer-to-texture, // texture-to-buffer or texture-to-texture copies with compressed texture formats. TEST_F(CopyCommandTest_CompressedTextureFormats, ImageExtent) { wgpu::Buffer buffer = CreateBuffer(512, wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst); constexpr uint32_t kMipmapLevels = 3; constexpr uint32_t kTestWidth = 60; constexpr uint32_t kTestHeight = 60; for (wgpu::TextureFormat bcFormat : kBCFormats) { wgpu::Texture texture = Create2DTexture(bcFormat, kMipmapLevels, kTestWidth, kTestHeight); wgpu::Texture texture2 = Create2DTexture(bcFormat, kMipmapLevels, kTestWidth, kTestHeight); constexpr wgpu::Extent3D kSmallestValidExtent3D = {4, 4, 1}; // Valid usages of ImageExtent in B2T, T2B and T2T copies with compressed texture formats. { TestBothTBCopies(utils::Expectation::Success, buffer, 0, 256, 8, texture, 0, {0, 0, 0}, kSmallestValidExtent3D); TestBothT2TCopies(utils::Expectation::Success, texture, 0, {0, 0, 0}, texture2, 0, {0, 0, 0}, kSmallestValidExtent3D); } // Valid usages of ImageExtent in B2T, T2B and T2T copies with compressed texture formats // and non-zero mipmap levels. { constexpr uint32_t kTestMipmapLevel = 2; constexpr wgpu::Origin3D kTestOrigin = { (kTestWidth >> kTestMipmapLevel) - kSmallestValidExtent3D.width + 1, (kTestHeight >> kTestMipmapLevel) - kSmallestValidExtent3D.height + 1, 0}; TestBothTBCopies(utils::Expectation::Success, buffer, 0, 256, 4, texture, kTestMipmapLevel, kTestOrigin, kSmallestValidExtent3D); TestBothT2TCopies(utils::Expectation::Success, texture, kTestMipmapLevel, kTestOrigin, texture2, 0, {0, 0, 0}, kSmallestValidExtent3D); } // Failures on invalid ImageExtent.x. { constexpr wgpu::Extent3D kInValidExtent3D = {kSmallestValidExtent3D.width - 1, kSmallestValidExtent3D.height, 1}; TestBothTBCopies(utils::Expectation::Failure, buffer, 0, 256, 4, texture, 0, {0, 0, 0}, kInValidExtent3D); TestBothT2TCopies(utils::Expectation::Failure, texture, 0, {0, 0, 0}, texture2, 0, {0, 0, 0}, kInValidExtent3D); } // Failures on invalid ImageExtent.y. { constexpr wgpu::Extent3D kInValidExtent3D = {kSmallestValidExtent3D.width, kSmallestValidExtent3D.height - 1, 1}; TestBothTBCopies(utils::Expectation::Failure, buffer, 0, 256, 4, texture, 0, {0, 0, 0}, kInValidExtent3D); TestBothT2TCopies(utils::Expectation::Failure, texture, 0, {0, 0, 0}, texture2, 0, {0, 0, 0}, kInValidExtent3D); } } }