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// 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 "tests/DawnTest.h"
#include <array>
#include "common/Constants.h"
#include "common/Math.h"
#include "utils/TestUtils.h"
#include "utils/TextureUtils.h"
#include "utils/WGPUHelpers.h"
// For MinimumBufferSpec bytesPerRow and rowsPerImage, compute a default from the copy extent.
constexpr uint32_t kStrideComputeDefault = 0xFFFF'FFFEul;
constexpr wgpu::TextureFormat kDefaultFormat = wgpu::TextureFormat::RGBA8Unorm;
class CopyTests {
protected:
struct TextureSpec {
wgpu::TextureFormat format = kDefaultFormat;
wgpu::Origin3D copyOrigin = {0, 0, 0};
wgpu::Extent3D textureSize;
uint32_t copyLevel = 0;
uint32_t levelCount = 1;
};
struct BufferSpec {
uint64_t size;
uint64_t offset;
uint32_t bytesPerRow;
uint32_t rowsPerImage;
};
static std::vector<uint8_t> GetExpectedTextureData(const utils::TextureDataCopyLayout& layout) {
uint32_t bytesPerTexelBlock = layout.bytesPerRow / layout.texelBlocksPerRow;
std::vector<uint8_t> textureData(layout.byteLength);
for (uint32_t layer = 0; layer < layout.mipSize.depthOrArrayLayers; ++layer) {
const uint32_t byteOffsetPerSlice = layout.bytesPerImage * layer;
for (uint32_t y = 0; y < layout.mipSize.height; ++y) {
for (uint32_t x = 0; x < layout.mipSize.width * bytesPerTexelBlock; ++x) {
uint32_t i = x + y * layout.bytesPerRow;
textureData[byteOffsetPerSlice + i] =
static_cast<uint8_t>((x + 1 + (layer + 1) * y) % 256);
}
}
}
return textureData;
}
// TODO(crbug.com/dawn/818): remove this function when all the tests in this file support
// testing arbitrary formats.
static std::vector<RGBA8> GetExpectedTextureDataRGBA8(
const utils::TextureDataCopyLayout& layout) {
std::vector<RGBA8> textureData(layout.texelBlockCount);
for (uint32_t layer = 0; layer < layout.mipSize.depthOrArrayLayers; ++layer) {
const uint32_t texelIndexOffsetPerSlice = layout.texelBlocksPerImage * layer;
for (uint32_t y = 0; y < layout.mipSize.height; ++y) {
for (uint32_t x = 0; x < layout.mipSize.width; ++x) {
uint32_t i = x + y * layout.texelBlocksPerRow;
textureData[texelIndexOffsetPerSlice + i] =
RGBA8(static_cast<uint8_t>((x + layer * x) % 256),
static_cast<uint8_t>((y + layer * y) % 256),
static_cast<uint8_t>(x / 256), static_cast<uint8_t>(y / 256));
}
}
}
return textureData;
}
static BufferSpec MinimumBufferSpec(uint32_t width,
uint32_t height,
uint32_t depth = 1,
wgpu::TextureFormat format = kDefaultFormat) {
return MinimumBufferSpec({width, height, depth}, kStrideComputeDefault,
depth == 1 ? wgpu::kCopyStrideUndefined : kStrideComputeDefault,
format);
}
static BufferSpec MinimumBufferSpec(wgpu::Extent3D copyExtent,
uint32_t overrideBytesPerRow = kStrideComputeDefault,
uint32_t overrideRowsPerImage = kStrideComputeDefault,
wgpu::TextureFormat format = kDefaultFormat) {
uint32_t bytesPerRow = utils::GetMinimumBytesPerRow(format, copyExtent.width);
if (overrideBytesPerRow != kStrideComputeDefault) {
bytesPerRow = overrideBytesPerRow;
}
uint32_t rowsPerImage = copyExtent.height;
if (overrideRowsPerImage != kStrideComputeDefault) {
rowsPerImage = overrideRowsPerImage;
}
uint32_t totalDataSize =
utils::RequiredBytesInCopy(bytesPerRow, rowsPerImage, copyExtent, format);
return {totalDataSize, 0, bytesPerRow, rowsPerImage};
}
static void CopyTextureData(uint32_t bytesPerTexelBlock,
const void* srcData,
uint32_t widthInBlocks,
uint32_t heightInBlocks,
uint32_t depthInBlocks,
uint32_t srcBytesPerRow,
uint32_t srcRowsPerImage,
void* dstData,
uint32_t dstBytesPerRow,
uint32_t dstRowsPerImage) {
for (unsigned int z = 0; z < depthInBlocks; ++z) {
uint32_t srcDepthOffset = z * srcBytesPerRow * srcRowsPerImage;
uint32_t dstDepthOffset = z * dstBytesPerRow * dstRowsPerImage;
for (unsigned int y = 0; y < heightInBlocks; ++y) {
memcpy(static_cast<uint8_t*>(dstData) + dstDepthOffset + y * dstBytesPerRow,
static_cast<const uint8_t*>(srcData) + srcDepthOffset + y * srcBytesPerRow,
widthInBlocks * bytesPerTexelBlock);
}
}
}
};
class CopyTests_T2B : public CopyTests, public DawnTest {
protected:
void DoTest(const TextureSpec& textureSpec,
const BufferSpec& bufferSpec,
const wgpu::Extent3D& copySize,
wgpu::TextureDimension dimension = wgpu::TextureDimension::e2D) {
// TODO(crbug.com/dawn/818): support testing arbitrary formats
ASSERT_EQ(kDefaultFormat, textureSpec.format);
const uint32_t bytesPerTexel = utils::GetTexelBlockSizeInBytes(textureSpec.format);
// Create a texture that is `width` x `height` with (`level` + 1) mip levels.
wgpu::TextureDescriptor descriptor;
descriptor.dimension = dimension;
descriptor.size = textureSpec.textureSize;
descriptor.sampleCount = 1;
descriptor.format = textureSpec.format;
descriptor.mipLevelCount = textureSpec.levelCount;
descriptor.usage = wgpu::TextureUsage::CopyDst | wgpu::TextureUsage::CopySrc;
wgpu::Texture texture = device.CreateTexture(&descriptor);
// Layout for initial data upload to texture.
// Some parts of this result are also reused later.
const utils::TextureDataCopyLayout copyLayout =
utils::GetTextureDataCopyLayoutForTextureAtLevel(
textureSpec.format, textureSpec.textureSize, textureSpec.copyLevel, dimension);
// Initialize the source texture
std::vector<RGBA8> textureArrayData = GetExpectedTextureDataRGBA8(copyLayout);
{
wgpu::ImageCopyTexture imageCopyTexture =
utils::CreateImageCopyTexture(texture, textureSpec.copyLevel, {0, 0, 0});
wgpu::TextureDataLayout textureDataLayout =
utils::CreateTextureDataLayout(0, copyLayout.bytesPerRow, copyLayout.rowsPerImage);
queue.WriteTexture(&imageCopyTexture, textureArrayData.data(), copyLayout.byteLength,
&textureDataLayout, &copyLayout.mipSize);
}
wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
// Create a buffer of `size` and populate it with empty data (0,0,0,0) Note:
// Prepopulating the buffer with empty data ensures that there is not random data in the
// expectation and helps ensure that the padding due to the bytes per row is not modified
// by the copy.
wgpu::BufferDescriptor bufferDesc;
bufferDesc.size = bufferSpec.size;
bufferDesc.usage = wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst;
wgpu::Buffer buffer = device.CreateBuffer(&bufferDesc);
{
wgpu::ImageCopyTexture imageCopyTexture = utils::CreateImageCopyTexture(
texture, textureSpec.copyLevel, textureSpec.copyOrigin);
wgpu::ImageCopyBuffer imageCopyBuffer = utils::CreateImageCopyBuffer(
buffer, bufferSpec.offset, bufferSpec.bytesPerRow, bufferSpec.rowsPerImage);
encoder.CopyTextureToBuffer(&imageCopyTexture, &imageCopyBuffer, &copySize);
}
wgpu::CommandBuffer commands = encoder.Finish();
queue.Submit(1, &commands);
uint64_t bufferOffset = bufferSpec.offset;
uint32_t copyLayer = copySize.depthOrArrayLayers;
uint32_t copyDepth = 1;
if (dimension == wgpu::TextureDimension::e3D) {
copyLayer = 1;
copyDepth = copySize.depthOrArrayLayers;
}
const wgpu::Extent3D copySizePerLayer = {copySize.width, copySize.height, copyDepth};
// Texels in single layer.
const uint32_t texelCountInCopyRegion = utils::GetTexelCountInCopyRegion(
bufferSpec.bytesPerRow, bufferSpec.rowsPerImage, copySizePerLayer, textureSpec.format);
const uint32_t maxArrayLayer = textureSpec.copyOrigin.z + copyLayer;
std::vector<RGBA8> expected(texelCountInCopyRegion);
for (uint32_t layer = textureSpec.copyOrigin.z; layer < maxArrayLayer; ++layer) {
// Copy the data used to create the upload buffer in the specified copy region to have
// the same format as the expected buffer data.
std::fill(expected.begin(), expected.end(), RGBA8());
const uint32_t texelIndexOffset = copyLayout.texelBlocksPerImage * layer;
const uint32_t expectedTexelArrayDataStartIndex =
texelIndexOffset + (textureSpec.copyOrigin.x +
textureSpec.copyOrigin.y * copyLayout.texelBlocksPerRow);
CopyTextureData(bytesPerTexel,
textureArrayData.data() + expectedTexelArrayDataStartIndex,
copySize.width, copySize.height, copyDepth, copyLayout.bytesPerRow,
copyLayout.rowsPerImage, expected.data(), bufferSpec.bytesPerRow,
bufferSpec.rowsPerImage);
EXPECT_BUFFER_U32_RANGE_EQ(reinterpret_cast<const uint32_t*>(expected.data()), buffer,
bufferOffset, static_cast<uint32_t>(expected.size()))
<< "Texture to Buffer copy failed copying region [(" << textureSpec.copyOrigin.x
<< ", " << textureSpec.copyOrigin.y << ", " << textureSpec.copyOrigin.z << "), ("
<< textureSpec.copyOrigin.x + copySize.width << ", "
<< textureSpec.copyOrigin.y + copySize.height << ", "
<< textureSpec.copyOrigin.z + copySize.depthOrArrayLayers << ")) from "
<< textureSpec.textureSize.width << " x " << textureSpec.textureSize.height
<< " texture at mip level " << textureSpec.copyLevel << " layer " << layer << " to "
<< bufferSpec.size << "-byte buffer with offset " << bufferOffset
<< " and bytes per row " << bufferSpec.bytesPerRow << std::endl;
bufferOffset += bufferSpec.bytesPerRow * bufferSpec.rowsPerImage;
}
}
};
class CopyTests_B2T : public CopyTests, public DawnTest {
protected:
static void FillBufferData(RGBA8* data, size_t count) {
for (size_t i = 0; i < count; ++i) {
data[i] = RGBA8(static_cast<uint8_t>(i % 256), static_cast<uint8_t>((i / 256) % 256),
static_cast<uint8_t>((i / 256 / 256) % 256), 255);
}
}
void DoTest(const TextureSpec& textureSpec,
const BufferSpec& bufferSpec,
const wgpu::Extent3D& copySize,
wgpu::TextureDimension dimension = wgpu::TextureDimension::e2D) {
// TODO(crbug.com/dawn/818): support testing arbitrary formats
ASSERT_EQ(kDefaultFormat, textureSpec.format);
// Create a buffer of size `size` and populate it with data
const uint32_t bytesPerTexel = utils::GetTexelBlockSizeInBytes(textureSpec.format);
std::vector<RGBA8> bufferData(bufferSpec.size / bytesPerTexel);
FillBufferData(bufferData.data(), bufferData.size());
wgpu::Buffer buffer =
utils::CreateBufferFromData(device, bufferData.data(), bufferSpec.size,
wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst);
// Create a texture that is `width` x `height` with (`level` + 1) mip levels.
wgpu::TextureDescriptor descriptor;
descriptor.dimension = dimension;
descriptor.size = textureSpec.textureSize;
descriptor.sampleCount = 1;
descriptor.format = textureSpec.format;
descriptor.mipLevelCount = textureSpec.levelCount;
descriptor.usage = wgpu::TextureUsage::CopyDst | wgpu::TextureUsage::CopySrc;
wgpu::Texture texture = device.CreateTexture(&descriptor);
wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
wgpu::ImageCopyBuffer imageCopyBuffer = utils::CreateImageCopyBuffer(
buffer, bufferSpec.offset, bufferSpec.bytesPerRow, bufferSpec.rowsPerImage);
wgpu::ImageCopyTexture imageCopyTexture =
utils::CreateImageCopyTexture(texture, textureSpec.copyLevel, textureSpec.copyOrigin);
encoder.CopyBufferToTexture(&imageCopyBuffer, &imageCopyTexture, &copySize);
wgpu::CommandBuffer commands = encoder.Finish();
queue.Submit(1, &commands);
const utils::TextureDataCopyLayout copyLayout =
utils::GetTextureDataCopyLayoutForTextureAtLevel(
textureSpec.format, textureSpec.textureSize, textureSpec.copyLevel, dimension,
bufferSpec.rowsPerImage);
uint32_t copyLayer = copySize.depthOrArrayLayers;
uint32_t copyDepth = 1;
if (dimension == wgpu::TextureDimension::e3D) {
copyLayer = 1;
copyDepth = copySize.depthOrArrayLayers;
}
uint64_t bufferOffset = bufferSpec.offset;
const uint32_t blockWidth = utils::GetTextureFormatBlockWidth(textureSpec.format);
const uint32_t blockHeight = utils::GetTextureFormatBlockHeight(textureSpec.format);
const uint32_t texelCountPerLayer = copyDepth * (copyLayout.mipSize.width / blockWidth) *
(copyLayout.mipSize.height / blockHeight) *
bytesPerTexel;
for (uint32_t layer = 0; layer < copyLayer; ++layer) {
// Copy and pack the data used to create the buffer in the specified copy region to have
// the same format as the expected texture data.
std::vector<RGBA8> expected(texelCountPerLayer);
CopyTextureData(bytesPerTexel, bufferData.data() + bufferOffset / bytesPerTexel,
copySize.width, copySize.height, copyDepth, bufferSpec.bytesPerRow,
bufferSpec.rowsPerImage, expected.data(),
copySize.width * bytesPerTexel, copySize.height);
EXPECT_TEXTURE_EQ(expected.data(), texture,
{textureSpec.copyOrigin.x, textureSpec.copyOrigin.y,
textureSpec.copyOrigin.z + layer},
{copySize.width, copySize.height, copyDepth}, textureSpec.copyLevel)
<< "Buffer to Texture copy failed copying " << bufferSpec.size
<< "-byte buffer with offset " << bufferSpec.offset << " and bytes per row "
<< bufferSpec.bytesPerRow << " to [(" << textureSpec.copyOrigin.x << ", "
<< textureSpec.copyOrigin.y << "), (" << textureSpec.copyOrigin.x + copySize.width
<< ", " << textureSpec.copyOrigin.y + copySize.height << ")) region of "
<< textureSpec.textureSize.width << " x " << textureSpec.textureSize.height
<< " texture at mip level " << textureSpec.copyLevel << " layer " << layer
<< std::endl;
bufferOffset += copyLayout.bytesPerImage;
}
}
};
namespace {
// The CopyTests Texture to Texture in this class will validate both CopyTextureToTexture and
// CopyTextureToTextureInternal.
using UsageCopySrc = bool;
DAWN_TEST_PARAM_STRUCT(CopyTestsParams, UsageCopySrc);
using SrcColorFormat = wgpu::TextureFormat;
DAWN_TEST_PARAM_STRUCT(SrcColorFormatParams, SrcColorFormat);
} // namespace
template <typename Parent>
class CopyTests_T2TBase : public CopyTests, public Parent {
protected:
std::vector<wgpu::FeatureName> GetRequiredFeatures() override {
return {wgpu::FeatureName::DawnInternalUsages};
}
void DoTest(const TextureSpec& srcSpec,
const TextureSpec& dstSpec,
const wgpu::Extent3D& copySize,
wgpu::TextureDimension srcDimension,
wgpu::TextureDimension dstDimension,
bool copyWithinSameTexture = false,
bool usageCopySrc = false) {
const wgpu::TextureFormat format = srcSpec.format;
wgpu::TextureDescriptor srcDescriptor;
srcDescriptor.dimension = srcDimension;
srcDescriptor.size = srcSpec.textureSize;
srcDescriptor.sampleCount = 1;
srcDescriptor.format = format;
srcDescriptor.mipLevelCount = srcSpec.levelCount;
srcDescriptor.usage = wgpu::TextureUsage::CopyDst;
// This test will have two versions, one where we check the normal CopyToCopy, and for that
// we will add the CopySrc usage, and the one where we test the CopyToCopyInternal, and then
// we have to add the CopySrc to the Internal usage.
wgpu::DawnTextureInternalUsageDescriptor internalDesc = {};
srcDescriptor.nextInChain = &internalDesc;
if (usageCopySrc) {
srcDescriptor.usage |= wgpu::TextureUsage::CopySrc;
} else {
internalDesc.internalUsage = wgpu::TextureUsage::CopySrc;
}
wgpu::Texture srcTexture = this->device.CreateTexture(&srcDescriptor);
wgpu::Texture dstTexture;
if (copyWithinSameTexture) {
dstTexture = srcTexture;
} else {
wgpu::TextureDescriptor dstDescriptor;
dstDescriptor.dimension = dstDimension;
dstDescriptor.size = dstSpec.textureSize;
dstDescriptor.sampleCount = 1;
dstDescriptor.format = dstSpec.format;
dstDescriptor.mipLevelCount = dstSpec.levelCount;
dstDescriptor.usage = wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::CopyDst;
dstTexture = this->device.CreateTexture(&dstDescriptor);
}
// Create an upload buffer and use it to completely populate the subresources of the src
// texture that will be copied from at the given mip level.
const utils::TextureDataCopyLayout srcDataCopyLayout =
utils::GetTextureDataCopyLayoutForTextureAtLevel(
format,
{srcSpec.textureSize.width, srcSpec.textureSize.height,
srcDimension == wgpu::TextureDimension::e3D
? srcSpec.textureSize.depthOrArrayLayers
: copySize.depthOrArrayLayers},
srcSpec.copyLevel, srcDimension);
// Initialize the source texture
const std::vector<uint8_t> srcTextureCopyData = GetExpectedTextureData(srcDataCopyLayout);
{
wgpu::ImageCopyTexture imageCopyTexture = utils::CreateImageCopyTexture(
srcTexture, srcSpec.copyLevel, {0, 0, srcSpec.copyOrigin.z});
wgpu::TextureDataLayout textureDataLayout = utils::CreateTextureDataLayout(
0, srcDataCopyLayout.bytesPerRow, srcDataCopyLayout.rowsPerImage);
this->queue.WriteTexture(&imageCopyTexture, srcTextureCopyData.data(),
srcDataCopyLayout.byteLength, &textureDataLayout,
&srcDataCopyLayout.mipSize);
}
wgpu::CommandEncoder encoder = this->device.CreateCommandEncoder();
// Perform the texture to texture copy
wgpu::ImageCopyTexture srcImageCopyTexture =
utils::CreateImageCopyTexture(srcTexture, srcSpec.copyLevel, srcSpec.copyOrigin);
wgpu::ImageCopyTexture dstImageCopyTexture =
utils::CreateImageCopyTexture(dstTexture, dstSpec.copyLevel, dstSpec.copyOrigin);
if (usageCopySrc) {
encoder.CopyTextureToTexture(&srcImageCopyTexture, &dstImageCopyTexture, &copySize);
} else {
encoder.CopyTextureToTextureInternal(&srcImageCopyTexture, &dstImageCopyTexture,
&copySize);
}
// Create an output buffer and use it to completely populate the subresources of the dst
// texture that will be copied to at the given mip level.
const utils::TextureDataCopyLayout dstDataCopyLayout =
utils::GetTextureDataCopyLayoutForTextureAtLevel(
format,
{dstSpec.textureSize.width, dstSpec.textureSize.height,
dstDimension == wgpu::TextureDimension::e3D
? dstSpec.textureSize.depthOrArrayLayers
: copySize.depthOrArrayLayers},
dstSpec.copyLevel, dstDimension);
wgpu::BufferDescriptor outputBufferDescriptor;
outputBufferDescriptor.size = dstDataCopyLayout.byteLength;
outputBufferDescriptor.usage = wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst;
wgpu::Buffer outputBuffer = this->device.CreateBuffer(&outputBufferDescriptor);
const uint32_t bytesPerTexel = utils::GetTexelBlockSizeInBytes(format);
const uint32_t expectedDstDataOffset = dstSpec.copyOrigin.x * bytesPerTexel +
dstSpec.copyOrigin.y * dstDataCopyLayout.bytesPerRow;
wgpu::ImageCopyBuffer outputImageCopyBuffer = utils::CreateImageCopyBuffer(
outputBuffer, expectedDstDataOffset, dstDataCopyLayout.bytesPerRow,
dstDataCopyLayout.rowsPerImage);
encoder.CopyTextureToBuffer(&dstImageCopyTexture, &outputImageCopyBuffer, &copySize);
wgpu::CommandBuffer commands = encoder.Finish();
this->queue.Submit(1, &commands);
// Validate if the data in outputBuffer is what we expected, including the untouched data
// outside of the copy.
{
// Validate the output buffer slice-by-slice regardless of whether the destination
// texture is 3D or 2D. The dimension here doesn't matter - we're only populating the
// CPU data to verify against.
uint32_t copyLayer = copySize.depthOrArrayLayers;
uint32_t copyDepth = 1;
const uint64_t validDataSizePerDstTextureLayer = utils::RequiredBytesInCopy(
dstDataCopyLayout.bytesPerRow, dstDataCopyLayout.mipSize.height,
dstDataCopyLayout.mipSize.width, dstDataCopyLayout.mipSize.height, copyDepth,
bytesPerTexel);
// expectedDstDataPerSlice stores one layer of the destination texture.
std::vector<uint8_t> expectedDstDataPerSlice(validDataSizePerDstTextureLayer);
for (uint32_t slice = 0; slice < copyLayer; ++slice) {
// For each source texture array slice involved in the copy, emulate the T2T copy
// on the CPU side by "copying" the copy data from the "source texture"
// (srcTextureCopyData) to the "destination texture" (expectedDstDataPerSlice).
std::fill(expectedDstDataPerSlice.begin(), expectedDstDataPerSlice.end(), 0);
const uint32_t srcBytesOffset = srcDataCopyLayout.bytesPerImage * slice;
// Get the offset of the srcTextureCopyData that contains the copy data on the
// slice-th texture array layer of the source texture.
const uint32_t srcTexelDataOffset =
srcBytesOffset + (srcSpec.copyOrigin.x * bytesPerTexel +
srcSpec.copyOrigin.y * srcDataCopyLayout.bytesPerRow);
// Do the T2T "copy" on the CPU side to get the expected texel value at the
CopyTextureData(bytesPerTexel, &srcTextureCopyData[srcTexelDataOffset],
copySize.width, copySize.height, copyDepth,
srcDataCopyLayout.bytesPerRow, srcDataCopyLayout.rowsPerImage,
&expectedDstDataPerSlice[expectedDstDataOffset],
dstDataCopyLayout.bytesPerRow, dstDataCopyLayout.rowsPerImage);
// Compare the content of the destination texture at the (dstSpec.copyOrigin.z +
// slice)-th layer to its expected data after the copy (the outputBuffer contains
// the data of the destination texture since the dstSpec.copyOrigin.z-th layer).
uint64_t outputBufferExpectationBytesOffset =
dstDataCopyLayout.bytesPerImage * slice;
EXPECT_BUFFER_U32_RANGE_EQ(
reinterpret_cast<const uint32_t*>(expectedDstDataPerSlice.data()), outputBuffer,
outputBufferExpectationBytesOffset,
validDataSizePerDstTextureLayer / sizeof(uint32_t));
}
}
}
};
class CopyTests_T2T : public CopyTests_T2TBase<DawnTestWithParams<CopyTestsParams>> {
protected:
void DoTest(const TextureSpec& srcSpec,
const TextureSpec& dstSpec,
const wgpu::Extent3D& copySize,
bool copyWithinSameTexture = false,
wgpu::TextureDimension dimension = wgpu::TextureDimension::e2D) {
DoTest(srcSpec, dstSpec, copySize, dimension, dimension, copyWithinSameTexture);
}
void DoTest(const TextureSpec& srcSpec,
const TextureSpec& dstSpec,
const wgpu::Extent3D& copySize,
wgpu::TextureDimension srcDimension,
wgpu::TextureDimension dstDimension,
bool copyWithinSameTexture = false) {
const bool usageCopySrc = GetParam().mUsageCopySrc;
// If we do this test with a CopyWithinSameTexture, it will need to have usageCopySrc in the
// public usage of the texture as it will later use a CopyTextureToBuffer, that needs the
// public usage of it.
DAWN_TEST_UNSUPPORTED_IF(!usageCopySrc && copyWithinSameTexture);
ASSERT_EQ(srcSpec.format, dstSpec.format);
CopyTests_T2TBase<DawnTestWithParams<CopyTestsParams>>::DoTest(
srcSpec, dstSpec, copySize, srcDimension, dstDimension, copyWithinSameTexture,
usageCopySrc);
}
};
class CopyTests_Formats : public CopyTests_T2TBase<DawnTestWithParams<SrcColorFormatParams>> {
protected:
// Texture format is compatible and could be copied to each other if the only diff is srgb-ness.
wgpu::TextureFormat GetCopyCompatibleFormat(wgpu::TextureFormat format) {
switch (format) {
case wgpu::TextureFormat::RGBA8Unorm:
return wgpu::TextureFormat::RGBA8UnormSrgb;
case wgpu::TextureFormat::RGBA8UnormSrgb:
return wgpu::TextureFormat::RGBA8Unorm;
case wgpu::TextureFormat::BGRA8Unorm:
return wgpu::TextureFormat::BGRA8UnormSrgb;
case wgpu::TextureFormat::BGRA8UnormSrgb:
return wgpu::TextureFormat::BGRA8Unorm;
default:
UNREACHABLE();
}
}
void DoTest(TextureSpec srcSpec,
TextureSpec dstSpec,
const wgpu::Extent3D& copySize,
wgpu::TextureDimension srcDimension = wgpu::TextureDimension::e2D,
wgpu::TextureDimension dstDimension = wgpu::TextureDimension::e2D) {
srcSpec.format = GetParam().mSrcColorFormat;
dstSpec.format = GetCopyCompatibleFormat(srcSpec.format);
CopyTests_T2TBase<DawnTestWithParams<SrcColorFormatParams>>::DoTest(
srcSpec, dstSpec, copySize, srcDimension, dstDimension);
}
};
class CopyTests_B2B : public DawnTest {
protected:
// This is the same signature as CopyBufferToBuffer except that the buffers are replaced by
// only their size.
void DoTest(uint64_t sourceSize,
uint64_t sourceOffset,
uint64_t destinationSize,
uint64_t destinationOffset,
uint64_t copySize) {
ASSERT(sourceSize % 4 == 0);
ASSERT(destinationSize % 4 == 0);
// Create our two test buffers, destination filled with zeros, source filled with non-zeroes
std::vector<uint32_t> zeroes(static_cast<size_t>(destinationSize / sizeof(uint32_t)));
wgpu::Buffer destination =
utils::CreateBufferFromData(device, zeroes.data(), zeroes.size() * sizeof(uint32_t),
wgpu::BufferUsage::CopyDst | wgpu::BufferUsage::CopySrc);
std::vector<uint32_t> sourceData(static_cast<size_t>(sourceSize / sizeof(uint32_t)));
for (size_t i = 0; i < sourceData.size(); i++) {
sourceData[i] = i + 1;
}
wgpu::Buffer source = utils::CreateBufferFromData(device, sourceData.data(),
sourceData.size() * sizeof(uint32_t),
wgpu::BufferUsage::CopySrc);
// Submit the copy
wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
encoder.CopyBufferToBuffer(source, sourceOffset, destination, destinationOffset, copySize);
wgpu::CommandBuffer commands = encoder.Finish();
queue.Submit(1, &commands);
// Check destination is exactly the expected content.
EXPECT_BUFFER_U32_RANGE_EQ(zeroes.data(), destination, 0,
destinationOffset / sizeof(uint32_t));
EXPECT_BUFFER_U32_RANGE_EQ(sourceData.data() + sourceOffset / sizeof(uint32_t), destination,
destinationOffset, copySize / sizeof(uint32_t));
uint64_t copyEnd = destinationOffset + copySize;
EXPECT_BUFFER_U32_RANGE_EQ(zeroes.data(), destination, copyEnd,
(destinationSize - copyEnd) / sizeof(uint32_t));
}
};
class ClearBufferTests : public DawnTest {
protected:
// This is the same signature as ClearBuffer except that the buffers are replaced by
// only their size.
void DoTest(uint64_t bufferSize, uint64_t clearOffset, uint64_t clearSize) {
ASSERT(bufferSize % 4 == 0);
ASSERT(clearSize % 4 == 0);
// Create our test buffer, filled with non-zeroes
std::vector<uint32_t> bufferData(static_cast<size_t>(bufferSize / sizeof(uint32_t)));
for (size_t i = 0; i < bufferData.size(); i++) {
bufferData[i] = i + 1;
}
wgpu::Buffer buffer = utils::CreateBufferFromData(
device, bufferData.data(), bufferData.size() * sizeof(uint32_t),
wgpu::BufferUsage::CopyDst | wgpu::BufferUsage::CopySrc);
std::vector<uint8_t> fillData(static_cast<size_t>(clearSize), 0u);
// Submit the fill
wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
encoder.ClearBuffer(buffer, clearOffset, clearSize);
wgpu::CommandBuffer commands = encoder.Finish();
queue.Submit(1, &commands);
// Check destination is exactly the expected content.
EXPECT_BUFFER_U32_RANGE_EQ(bufferData.data(), buffer, 0, clearOffset / sizeof(uint32_t));
EXPECT_BUFFER_U8_RANGE_EQ(fillData.data(), buffer, clearOffset, clearSize);
uint64_t clearEnd = clearOffset + clearSize;
EXPECT_BUFFER_U32_RANGE_EQ(bufferData.data() + clearEnd / sizeof(uint32_t), buffer,
clearEnd, (bufferSize - clearEnd) / sizeof(uint32_t));
}
};
// Test that copying an entire texture with 256-byte aligned dimensions works
TEST_P(CopyTests_T2B, FullTextureAligned) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, 1};
DoTest(textureSpec, MinimumBufferSpec(kWidth, kHeight), {kWidth, kHeight, 1});
}
// Test noop copies
TEST_P(CopyTests_T2B, ZeroSizedCopy) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, 1};
DoTest(textureSpec, MinimumBufferSpec(kWidth, kHeight), {0, kHeight, 1});
DoTest(textureSpec, MinimumBufferSpec(kWidth, kHeight), {kWidth, 0, 1});
DoTest(textureSpec, MinimumBufferSpec(kWidth, kHeight), {kWidth, kHeight, 0});
}
// Test that copying an entire texture without 256-byte aligned dimensions works
TEST_P(CopyTests_T2B, FullTextureUnaligned) {
constexpr uint32_t kWidth = 259;
constexpr uint32_t kHeight = 127;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, 1};
DoTest(textureSpec, MinimumBufferSpec(kWidth, kHeight), {kWidth, kHeight, 1});
}
// Test that reading pixels from a 256-byte aligned texture works
TEST_P(CopyTests_T2B, PixelReadAligned) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
BufferSpec pixelBuffer = MinimumBufferSpec(1, 1);
constexpr wgpu::Extent3D kCopySize = {1, 1, 1};
constexpr wgpu::Extent3D kTextureSize = {kWidth, kHeight, 1};
TextureSpec defaultTextureSpec;
defaultTextureSpec.textureSize = kTextureSize;
{
TextureSpec textureSpec = defaultTextureSpec;
DoTest(textureSpec, pixelBuffer, kCopySize);
}
{
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.copyOrigin = {kWidth - 1, 0, 0};
DoTest(textureSpec, pixelBuffer, kCopySize);
}
{
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.copyOrigin = {0, kHeight - 1, 0};
DoTest(textureSpec, pixelBuffer, kCopySize);
}
{
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.copyOrigin = {kWidth - 1, kHeight - 1, 0};
DoTest(textureSpec, pixelBuffer, kCopySize);
}
{
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.copyOrigin = {kWidth / 3, kHeight / 7, 0};
DoTest(textureSpec, pixelBuffer, kCopySize);
}
{
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.copyOrigin = {kWidth / 7, kHeight / 3, 0};
DoTest(textureSpec, pixelBuffer, kCopySize);
}
}
// Test that copying pixels from a texture that is not 256-byte aligned works
TEST_P(CopyTests_T2B, PixelReadUnaligned) {
constexpr uint32_t kWidth = 259;
constexpr uint32_t kHeight = 127;
BufferSpec pixelBuffer = MinimumBufferSpec(1, 1);
constexpr wgpu::Extent3D kCopySize = {1, 1, 1};
constexpr wgpu::Extent3D kTextureSize = {kWidth, kHeight, 1};
TextureSpec defaultTextureSpec;
defaultTextureSpec.textureSize = kTextureSize;
{
TextureSpec textureSpec = defaultTextureSpec;
DoTest(textureSpec, pixelBuffer, kCopySize);
}
{
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.copyOrigin = {kWidth - 1, 0, 0};
DoTest(textureSpec, pixelBuffer, kCopySize);
}
{
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.copyOrigin = {0, kHeight - 1, 0};
DoTest(textureSpec, pixelBuffer, kCopySize);
}
{
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.copyOrigin = {kWidth - 1, kHeight - 1, 0};
DoTest(textureSpec, pixelBuffer, kCopySize);
}
{
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.copyOrigin = {kWidth / 3, kHeight / 7, 0};
DoTest(textureSpec, pixelBuffer, kCopySize);
}
{
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.copyOrigin = {kWidth / 7, kHeight / 3, 0};
DoTest(textureSpec, pixelBuffer, kCopySize);
}
}
// Test that copying regions with 256-byte aligned sizes works
TEST_P(CopyTests_T2B, TextureRegionAligned) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
for (unsigned int w : {64, 128, 256}) {
for (unsigned int h : {16, 32, 48}) {
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, 1};
DoTest(textureSpec, MinimumBufferSpec(w, h), {w, h, 1});
}
}
}
// Test that copying regions without 256-byte aligned sizes works
TEST_P(CopyTests_T2B, TextureRegionUnaligned) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
TextureSpec defaultTextureSpec;
defaultTextureSpec.textureSize = {kWidth, kHeight, 1};
for (unsigned int w : {13, 63, 65}) {
for (unsigned int h : {17, 19, 63}) {
TextureSpec textureSpec = defaultTextureSpec;
DoTest(textureSpec, MinimumBufferSpec(w, h), {w, h, 1});
}
}
}
// Test that copying mips with 256-byte aligned sizes works
TEST_P(CopyTests_T2B, TextureMipAligned) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
TextureSpec defaultTextureSpec;
defaultTextureSpec.textureSize = {kWidth, kHeight, 1};
for (unsigned int i = 1; i < 4; ++i) {
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.copyLevel = i;
textureSpec.levelCount = i + 1;
DoTest(textureSpec, MinimumBufferSpec(kWidth >> i, kHeight >> i),
{kWidth >> i, kHeight >> i, 1});
}
}
// Test that copying mips when one dimension is 256-byte aligned and another dimension reach one
// works
TEST_P(CopyTests_T2B, TextureMipDimensionReachOne) {
constexpr uint32_t mipLevelCount = 4;
constexpr uint32_t kWidth = 256 << mipLevelCount;
constexpr uint32_t kHeight = 2;
TextureSpec defaultTextureSpec;
defaultTextureSpec.textureSize = {kWidth, kHeight, 1};
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.levelCount = mipLevelCount;
for (unsigned int i = 0; i < 4; ++i) {
textureSpec.copyLevel = i;
DoTest(textureSpec,
MinimumBufferSpec(std::max(kWidth >> i, 1u), std::max(kHeight >> i, 1u)),
{std::max(kWidth >> i, 1u), std::max(kHeight >> i, 1u), 1});
}
}
// Test that copying mips without 256-byte aligned sizes works
TEST_P(CopyTests_T2B, TextureMipUnaligned) {
constexpr uint32_t kWidth = 259;
constexpr uint32_t kHeight = 127;
TextureSpec defaultTextureSpec;
defaultTextureSpec.textureSize = {kWidth, kHeight, 1};
for (unsigned int i = 1; i < 4; ++i) {
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.copyLevel = i;
textureSpec.levelCount = i + 1;
DoTest(textureSpec, MinimumBufferSpec(kWidth >> i, kHeight >> i),
{kWidth >> i, kHeight >> i, 1});
}
}
// Test that copying with a 512-byte aligned buffer offset works
TEST_P(CopyTests_T2B, OffsetBufferAligned) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, 1};
for (unsigned int i = 0; i < 3; ++i) {
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kHeight);
uint64_t offset = 512 * i;
bufferSpec.size += offset;
bufferSpec.offset += offset;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, 1});
}
}
// Test that copying without a 512-byte aligned buffer offset works
TEST_P(CopyTests_T2B, OffsetBufferUnaligned) {
constexpr uint32_t kWidth = 128;
constexpr uint32_t kHeight = 128;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, 1};
const uint32_t bytesPerTexel = utils::GetTexelBlockSizeInBytes(textureSpec.format);
for (uint32_t i = bytesPerTexel; i < 512; i += bytesPerTexel * 9) {
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kHeight);
bufferSpec.size += i;
bufferSpec.offset += i;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, 1});
}
}
// Test that copying without a 512-byte aligned buffer offset that is greater than the bytes per row
// works
TEST_P(CopyTests_T2B, OffsetBufferUnalignedSmallBytesPerRow) {
constexpr uint32_t kWidth = 32;
constexpr uint32_t kHeight = 128;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, 1};
const uint32_t bytesPerTexel = utils::GetTexelBlockSizeInBytes(textureSpec.format);
for (uint32_t i = 256 + bytesPerTexel; i < 512; i += bytesPerTexel * 9) {
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kHeight);
bufferSpec.size += i;
bufferSpec.offset += i;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, 1});
}
}
// Test that copying with a greater bytes per row than needed on a 256-byte aligned texture works
TEST_P(CopyTests_T2B, BytesPerRowAligned) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, 1};
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kHeight);
for (unsigned int i = 1; i < 4; ++i) {
bufferSpec.bytesPerRow += 256;
bufferSpec.size += 256 * kHeight;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, 1});
}
}
// Test that copying with a greater bytes per row than needed on a texture that is not 256-byte
// aligned works
TEST_P(CopyTests_T2B, BytesPerRowUnaligned) {
constexpr uint32_t kWidth = 259;
constexpr uint32_t kHeight = 127;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, 1};
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kHeight);
for (unsigned int i = 1; i < 4; ++i) {
bufferSpec.bytesPerRow += 256;
bufferSpec.size += 256 * kHeight;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, 1});
}
}
// Test that copying with bytesPerRow = 0 and bytesPerRow < bytesInACompleteRow works
// when we're copying one row only
TEST_P(CopyTests_T2B, BytesPerRowWithOneRowCopy) {
constexpr uint32_t kWidth = 259;
constexpr uint32_t kHeight = 127;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, 1};
{
BufferSpec bufferSpec = MinimumBufferSpec(5, 1);
// bytesPerRow undefined
bufferSpec.bytesPerRow = wgpu::kCopyStrideUndefined;
DoTest(textureSpec, bufferSpec, {5, 1, 1});
}
}
TEST_P(CopyTests_T2B, StrideSpecialCases) {
TextureSpec textureSpec;
textureSpec.textureSize = {4, 4, 4};
// bytesPerRow 0
for (const wgpu::Extent3D copyExtent :
{wgpu::Extent3D{0, 2, 2}, {0, 0, 2}, {0, 2, 0}, {0, 0, 0}}) {
DoTest(textureSpec, MinimumBufferSpec(copyExtent, 0, 2), copyExtent);
}
// bytesPerRow undefined
for (const wgpu::Extent3D copyExtent :
{wgpu::Extent3D{2, 1, 1}, {2, 0, 1}, {2, 1, 0}, {2, 0, 0}}) {
DoTest(textureSpec, MinimumBufferSpec(copyExtent, wgpu::kCopyStrideUndefined, 2),
copyExtent);
}
// rowsPerImage 0
for (const wgpu::Extent3D copyExtent :
{wgpu::Extent3D{2, 0, 2}, {2, 0, 0}, {0, 0, 2}, {0, 0, 0}}) {
DoTest(textureSpec, MinimumBufferSpec(copyExtent, 256, 0), copyExtent);
}
// rowsPerImage undefined
for (const wgpu::Extent3D copyExtent : {wgpu::Extent3D{2, 2, 1}, {2, 2, 0}}) {
DoTest(textureSpec, MinimumBufferSpec(copyExtent, 256, wgpu::kCopyStrideUndefined),
copyExtent);
}
}
// Test copying a single slice with rowsPerImage larger than copy height and rowsPerImage will not
// take effect. If rowsPerImage takes effect, it looks like the copy may go past the end of the
// buffer.
TEST_P(CopyTests_T2B, RowsPerImageShouldNotCauseBufferOOBIfDepthOrArrayLayersIsOne) {
// Check various offsets to cover each code path in the 2D split code in TextureCopySplitter.
for (uint32_t offset : {0, 4, 64}) {
constexpr uint32_t kWidth = 250;
constexpr uint32_t kHeight = 3;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, 1};
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kHeight);
bufferSpec.rowsPerImage = 2 * kHeight;
bufferSpec.offset = offset;
bufferSpec.size += offset;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, 1});
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, 1}, wgpu::TextureDimension::e3D);
}
}
// Test copying a single row with bytesPerRow larger than copy width and bytesPerRow will not
// take effect. If bytesPerRow takes effect, it looks like the copy may go past the end of the
// buffer.
TEST_P(CopyTests_T2B, BytesPerRowShouldNotCauseBufferOOBIfCopyHeightIsOne) {
// Check various offsets to cover each code path in the 2D split code in TextureCopySplitter.
for (uint32_t offset : {0, 4, 100}) {
constexpr uint32_t kWidth = 250;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, 1, 1};
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, 1);
bufferSpec.bytesPerRow = 1280; // the default bytesPerRow is 1024.
bufferSpec.offset = offset;
bufferSpec.size += offset;
DoTest(textureSpec, bufferSpec, {kWidth, 1, 1});
DoTest(textureSpec, bufferSpec, {kWidth, 1, 1}, wgpu::TextureDimension::e3D);
}
}
// A regression test for a bug on D3D12 backend that causes crash when doing texture-to-texture
// copy one row with the texture format Depth32Float.
TEST_P(CopyTests_T2B, CopyOneRowWithDepth32Float) {
// TODO(crbug.com/dawn/727): currently this test fails on many D3D12 drivers.
DAWN_SUPPRESS_TEST_IF(IsD3D12());
constexpr wgpu::TextureFormat kFormat = wgpu::TextureFormat::Depth32Float;
constexpr uint32_t kPixelsPerRow = 4u;
wgpu::TextureDescriptor textureDescriptor;
textureDescriptor.format = kFormat;
textureDescriptor.size = {kPixelsPerRow, 1, 1};
textureDescriptor.usage = wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::RenderAttachment;
wgpu::Texture texture = device.CreateTexture(&textureDescriptor);
wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
// Initialize the depth texture with 0.5f.
constexpr float kClearDepthValue = 0.5f;
utils::ComboRenderPassDescriptor renderPass({}, texture.CreateView());
renderPass.cDepthStencilAttachmentInfo.clearDepth = kClearDepthValue;
renderPass.cDepthStencilAttachmentInfo.depthLoadOp = wgpu::LoadOp::Clear;
renderPass.cDepthStencilAttachmentInfo.depthStoreOp = wgpu::StoreOp::Store;
wgpu::RenderPassEncoder renderPassEncoder = encoder.BeginRenderPass(&renderPass);
renderPassEncoder.EndPass();
constexpr uint32_t kBufferCopyOffset = kTextureBytesPerRowAlignment;
const uint32_t kBufferSize =
kBufferCopyOffset + utils::GetTexelBlockSizeInBytes(kFormat) * kPixelsPerRow;
wgpu::BufferDescriptor bufferDescriptor;
bufferDescriptor.size = kBufferSize;
bufferDescriptor.usage = wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst;
wgpu::Buffer buffer = device.CreateBuffer(&bufferDescriptor);
wgpu::ImageCopyBuffer imageCopyBuffer =
utils::CreateImageCopyBuffer(buffer, kBufferCopyOffset, kTextureBytesPerRowAlignment);
wgpu::ImageCopyTexture imageCopyTexture = utils::CreateImageCopyTexture(texture, 0, {0, 0, 0});
wgpu::Extent3D copySize = textureDescriptor.size;
encoder.CopyTextureToBuffer(&imageCopyTexture, &imageCopyBuffer, &copySize);
wgpu::CommandBuffer commandBuffer = encoder.Finish();
queue.Submit(1, &commandBuffer);
std::array<float, kPixelsPerRow> expectedValues;
std::fill(expectedValues.begin(), expectedValues.end(), kClearDepthValue);
EXPECT_BUFFER_FLOAT_RANGE_EQ(expectedValues.data(), buffer, kBufferCopyOffset, kPixelsPerRow);
}
// Test that copying whole texture 2D array layers in one texture-to-buffer-copy works.
TEST_P(CopyTests_T2B, Texture2DArrayFull) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
constexpr uint32_t kLayers = 6u;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, kLayers};
DoTest(textureSpec, MinimumBufferSpec(kWidth, kHeight, kLayers), {kWidth, kHeight, kLayers});
}
// Test that copying a range of texture 2D array layers in one texture-to-buffer-copy works.
TEST_P(CopyTests_T2B, Texture2DArraySubRegion) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
constexpr uint32_t kLayers = 6u;
constexpr uint32_t kBaseLayer = 2u;
constexpr uint32_t kCopyLayers = 3u;
TextureSpec textureSpec;
textureSpec.copyOrigin = {0, 0, kBaseLayer};
textureSpec.textureSize = {kWidth, kHeight, kLayers};
DoTest(textureSpec, MinimumBufferSpec(kWidth, kHeight, kCopyLayers),
{kWidth, kHeight, kCopyLayers});
}
// Test that copying texture 2D array mips with 256-byte aligned sizes works
TEST_P(CopyTests_T2B, Texture2DArrayMip) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
constexpr uint32_t kLayers = 6u;
TextureSpec defaultTextureSpec;
defaultTextureSpec.textureSize = {kWidth, kHeight, kLayers};
for (unsigned int i = 1; i < 4; ++i) {
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.copyLevel = i;
textureSpec.levelCount = i + 1;
DoTest(textureSpec, MinimumBufferSpec(kWidth >> i, kHeight >> i, kLayers),
{kWidth >> i, kHeight >> i, kLayers});
}
}
// Test that copying from a range of texture 2D array layers in one texture-to-buffer-copy when
// RowsPerImage is not equal to the height of the texture works.
TEST_P(CopyTests_T2B, Texture2DArrayRegionNonzeroRowsPerImage) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
constexpr uint32_t kLayers = 6u;
constexpr uint32_t kBaseLayer = 2u;
constexpr uint32_t kCopyLayers = 3u;
constexpr uint32_t kRowsPerImage = kHeight * 2;
TextureSpec textureSpec;
textureSpec.copyOrigin = {0, 0, kBaseLayer};
textureSpec.textureSize = {kWidth, kHeight, kLayers};
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kRowsPerImage, kCopyLayers);
bufferSpec.rowsPerImage = kRowsPerImage;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, kCopyLayers});
}
// Test a special code path in the D3D12 backends when (BytesPerRow * RowsPerImage) is not a
// multiple of 512.
TEST_P(CopyTests_T2B, Texture2DArrayRegionWithOffsetOddRowsPerImage) {
constexpr uint32_t kWidth = 64;
constexpr uint32_t kHeight = 128;
constexpr uint32_t kLayers = 8u;
constexpr uint32_t kBaseLayer = 2u;
constexpr uint32_t kCopyLayers = 5u;
constexpr uint32_t kRowsPerImage = kHeight + 1;
TextureSpec textureSpec;
textureSpec.copyOrigin = {0, 0, kBaseLayer};
textureSpec.textureSize = {kWidth, kHeight, kLayers};
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kRowsPerImage, kCopyLayers);
bufferSpec.offset += 128u;
bufferSpec.size += 128u;
bufferSpec.rowsPerImage = kRowsPerImage;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, kCopyLayers});
}
// Test a special code path in the D3D12 backends when (BytesPerRow * RowsPerImage) is a multiple
// of 512.
TEST_P(CopyTests_T2B, Texture2DArrayRegionWithOffsetEvenRowsPerImage) {
constexpr uint32_t kWidth = 64;
constexpr uint32_t kHeight = 128;
constexpr uint32_t kLayers = 8u;
constexpr uint32_t kBaseLayer = 2u;
constexpr uint32_t kCopyLayers = 4u;
constexpr uint32_t kRowsPerImage = kHeight + 2;
TextureSpec textureSpec;
textureSpec.copyOrigin = {0, 0, kBaseLayer};
textureSpec.textureSize = {kWidth, kHeight, kLayers};
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kRowsPerImage, kCopyLayers);
bufferSpec.offset += 128u;
bufferSpec.size += 128u;
bufferSpec.rowsPerImage = kRowsPerImage;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, kCopyLayers});
}
// Test that copying whole 3D texture in one texture-to-buffer-copy works.
TEST_P(CopyTests_T2B, Texture3DFull) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
constexpr uint32_t kDepth = 6;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, kDepth};
DoTest(textureSpec, MinimumBufferSpec(kWidth, kHeight, kDepth), {kWidth, kHeight, kDepth},
wgpu::TextureDimension::e3D);
}
// Test that copying a range of texture 3D depths in one texture-to-buffer-copy works.
TEST_P(CopyTests_T2B, Texture3DSubRegion) {
DAWN_TEST_UNSUPPORTED_IF(IsANGLE()); // TODO(crbug.com/angleproject/5967)
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
constexpr uint32_t kDepth = 6;
constexpr uint32_t kBaseDepth = 2u;
constexpr uint32_t kCopyDepth = 3u;
TextureSpec textureSpec;
textureSpec.copyOrigin = {0, 0, kBaseDepth};
textureSpec.textureSize = {kWidth, kHeight, kDepth};
DoTest(textureSpec, MinimumBufferSpec(kWidth, kHeight, kCopyDepth),
{kWidth / 2, kHeight / 2, kCopyDepth}, wgpu::TextureDimension::e3D);
}
TEST_P(CopyTests_T2B, Texture3DNoSplitRowDataWithEmptyFirstRow) {
constexpr uint32_t kWidth = 2;
constexpr uint32_t kHeight = 4;
constexpr uint32_t kDepth = 3;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, kDepth};
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kHeight, kDepth);
// The tests below are designed to test TextureCopySplitter for 3D textures on D3D12.
// Base: no split for a row + no empty first row
bufferSpec.offset = 60;
bufferSpec.size += bufferSpec.offset;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, kDepth}, wgpu::TextureDimension::e3D);
// This test will cover: no split for a row + empty first row
bufferSpec.offset = 260;
bufferSpec.size += bufferSpec.offset;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, kDepth}, wgpu::TextureDimension::e3D);
}
TEST_P(CopyTests_T2B, Texture3DSplitRowDataWithoutEmptyFirstRow) {
constexpr uint32_t kWidth = 259;
constexpr uint32_t kHeight = 127;
constexpr uint32_t kDepth = 3;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, kDepth};
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kHeight, kDepth);
// The test below is designed to test TextureCopySplitter for 3D textures on D3D12.
// This test will cover: split for a row + no empty first row for both split regions
bufferSpec.offset = 260;
bufferSpec.size += bufferSpec.offset;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, kDepth}, wgpu::TextureDimension::e3D);
}
TEST_P(CopyTests_T2B, Texture3DSplitRowDataWithEmptyFirstRow) {
constexpr uint32_t kWidth = 39;
constexpr uint32_t kHeight = 4;
constexpr uint32_t kDepth = 3;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, kDepth};
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kHeight, kDepth);
// The tests below are designed to test TextureCopySplitter for 3D textures on D3D12.
// This test will cover: split for a row + empty first row for the head block
bufferSpec.offset = 400;
bufferSpec.size += bufferSpec.offset;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, kDepth}, wgpu::TextureDimension::e3D);
// This test will cover: split for a row + empty first row for the tail block
bufferSpec.offset = 160;
bufferSpec.size += bufferSpec.offset;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, kDepth}, wgpu::TextureDimension::e3D);
}
TEST_P(CopyTests_T2B, Texture3DCopyHeightIsOneCopyWidthIsTiny) {
constexpr uint32_t kWidth = 2;
constexpr uint32_t kHeight = 1;
constexpr uint32_t kDepth = 3;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, kDepth};
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kHeight, kDepth);
// The tests below are designed to test TextureCopySplitter for 3D textures on D3D12.
// Base: no split for a row, no empty row, and copy height is 1
bufferSpec.offset = 60;
bufferSpec.size += bufferSpec.offset;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, kDepth}, wgpu::TextureDimension::e3D);
// This test will cover: no split for a row + empty first row, and copy height is 1
bufferSpec.offset = 260;
bufferSpec.size += bufferSpec.offset;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, kDepth}, wgpu::TextureDimension::e3D);
}
TEST_P(CopyTests_T2B, Texture3DCopyHeightIsOneCopyWidthIsSmall) {
constexpr uint32_t kWidth = 39;
constexpr uint32_t kHeight = 1;
constexpr uint32_t kDepth = 3;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, kDepth};
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kHeight, kDepth);
// The tests below are designed to test TextureCopySplitter for 3D textures on D3D12.
// This test will cover: split for a row + empty first row for the head block, and copy height
// is 1
bufferSpec.offset = 400;
bufferSpec.size += bufferSpec.offset;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, kDepth}, wgpu::TextureDimension::e3D);
// This test will cover: split for a row + empty first row for the tail block, and copy height
// is 1
bufferSpec.offset = 160;
bufferSpec.size += bufferSpec.offset;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, kDepth}, wgpu::TextureDimension::e3D);
}
// Test that copying texture 3D array mips with 256-byte aligned sizes works
TEST_P(CopyTests_T2B, Texture3DMipAligned) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
constexpr uint32_t kDepth = 64u;
TextureSpec defaultTextureSpec;
defaultTextureSpec.textureSize = {kWidth, kHeight, kDepth};
for (unsigned int i = 1; i < 6; ++i) {
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.copyLevel = i;
textureSpec.levelCount = i + 1;
DoTest(textureSpec, MinimumBufferSpec(kWidth >> i, kHeight >> i, kDepth >> i),
{kWidth >> i, kHeight >> i, kDepth >> i}, wgpu::TextureDimension::e3D);
}
}
// Test that copying texture 3D array mips with 256-byte unaligned sizes works
TEST_P(CopyTests_T2B, Texture3DMipUnaligned) {
constexpr uint32_t kWidth = 261;
constexpr uint32_t kHeight = 123;
constexpr uint32_t kDepth = 69u;
TextureSpec defaultTextureSpec;
defaultTextureSpec.textureSize = {kWidth, kHeight, kDepth};
for (unsigned int i = 1; i < 6; ++i) {
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.copyLevel = i;
textureSpec.levelCount = i + 1;
DoTest(textureSpec, MinimumBufferSpec(kWidth >> i, kHeight >> i, kDepth >> i),
{kWidth >> i, kHeight >> i, kDepth >> i}, wgpu::TextureDimension::e3D);
}
}
DAWN_INSTANTIATE_TEST(CopyTests_T2B,
D3D12Backend(),
MetalBackend(),
OpenGLBackend(),
OpenGLESBackend(),
VulkanBackend());
// Test that copying an entire texture with 256-byte aligned dimensions works
TEST_P(CopyTests_B2T, FullTextureAligned) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, 1};
DoTest(textureSpec, MinimumBufferSpec(kWidth, kHeight), {kWidth, kHeight, 1});
}
// Test noop copies.
TEST_P(CopyTests_B2T, ZeroSizedCopy) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, 1};
DoTest(textureSpec, MinimumBufferSpec(kWidth, kHeight), {0, kHeight, 1});
DoTest(textureSpec, MinimumBufferSpec(kWidth, kHeight), {kWidth, 0, 1});
DoTest(textureSpec, MinimumBufferSpec(kWidth, kHeight), {kWidth, kHeight, 0});
}
// Test that copying an entire texture without 256-byte aligned dimensions works
TEST_P(CopyTests_B2T, FullTextureUnaligned) {
constexpr uint32_t kWidth = 259;
constexpr uint32_t kHeight = 127;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, 1};
DoTest(textureSpec, MinimumBufferSpec(kWidth, kHeight), {kWidth, kHeight, 1});
}
// Test that reading pixels from a 256-byte aligned texture works
TEST_P(CopyTests_B2T, PixelReadAligned) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
BufferSpec pixelBuffer = MinimumBufferSpec(1, 1);
constexpr wgpu::Extent3D kCopySize = {1, 1, 1};
constexpr wgpu::Extent3D kTextureSize = {kWidth, kHeight, 1};
TextureSpec defaultTextureSpec;
defaultTextureSpec.textureSize = kTextureSize;
{
TextureSpec textureSpec = defaultTextureSpec;
DoTest(textureSpec, pixelBuffer, kCopySize);
}
{
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.copyOrigin = {kWidth - 1, 0, 0};
DoTest(textureSpec, pixelBuffer, kCopySize);
}
{
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.copyOrigin = {0, kHeight - 1, 0};
DoTest(textureSpec, pixelBuffer, kCopySize);
}
{
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.copyOrigin = {kWidth - 1, kHeight - 1, 0};
DoTest(textureSpec, pixelBuffer, kCopySize);
}
{
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.copyOrigin = {kWidth / 3, kHeight / 7, 0};
DoTest(textureSpec, pixelBuffer, kCopySize);
}
{
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.copyOrigin = {kWidth / 7, kHeight / 3, 0};
DoTest(textureSpec, pixelBuffer, kCopySize);
}
}
// Test that copying pixels from a texture that is not 256-byte aligned works
TEST_P(CopyTests_B2T, PixelReadUnaligned) {
constexpr uint32_t kWidth = 259;
constexpr uint32_t kHeight = 127;
BufferSpec pixelBuffer = MinimumBufferSpec(1, 1);
constexpr wgpu::Extent3D kCopySize = {1, 1, 1};
constexpr wgpu::Extent3D kTextureSize = {kWidth, kHeight, 1};
TextureSpec defaultTextureSpec;
defaultTextureSpec.textureSize = kTextureSize;
{
TextureSpec textureSpec = defaultTextureSpec;
DoTest(textureSpec, pixelBuffer, kCopySize);
}
{
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.copyOrigin = {kWidth - 1, 0, 0};
DoTest(textureSpec, pixelBuffer, kCopySize);
}
{
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.copyOrigin = {0, kHeight - 1, 0};
DoTest(textureSpec, pixelBuffer, kCopySize);
}
{
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.copyOrigin = {kWidth - 1, kHeight - 1, 0};
DoTest(textureSpec, pixelBuffer, kCopySize);
}
{
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.copyOrigin = {kWidth / 3, kHeight / 7, 0};
DoTest(textureSpec, pixelBuffer, kCopySize);
}
{
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.copyOrigin = {kWidth / 7, kHeight / 3, 0};
DoTest(textureSpec, pixelBuffer, kCopySize);
}
}
// Test that copying regions with 256-byte aligned sizes works
TEST_P(CopyTests_B2T, TextureRegionAligned) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
for (unsigned int w : {64, 128, 256}) {
for (unsigned int h : {16, 32, 48}) {
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, 1};
DoTest(textureSpec, MinimumBufferSpec(w, h), {w, h, 1});
}
}
}
// Test that copying regions without 256-byte aligned sizes works
TEST_P(CopyTests_B2T, TextureRegionUnaligned) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
TextureSpec defaultTextureSpec;
defaultTextureSpec.textureSize = {kWidth, kHeight, 1};
for (unsigned int w : {13, 63, 65}) {
for (unsigned int h : {17, 19, 63}) {
TextureSpec textureSpec = defaultTextureSpec;
DoTest(textureSpec, MinimumBufferSpec(w, h), {w, h, 1});
}
}
}
// Test that copying mips with 256-byte aligned sizes works
TEST_P(CopyTests_B2T, TextureMipAligned) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
TextureSpec defaultTextureSpec;
defaultTextureSpec.textureSize = {kWidth, kHeight, 1};
for (unsigned int i = 1; i < 4; ++i) {
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.copyLevel = i;
textureSpec.levelCount = i + 1;
DoTest(textureSpec, MinimumBufferSpec(kWidth >> i, kHeight >> i),
{kWidth >> i, kHeight >> i, 1});
}
}
// Test that copying mips without 256-byte aligned sizes works
TEST_P(CopyTests_B2T, TextureMipUnaligned) {
constexpr uint32_t kWidth = 259;
constexpr uint32_t kHeight = 127;
TextureSpec defaultTextureSpec;
defaultTextureSpec.textureSize = {kWidth, kHeight, 1};
for (unsigned int i = 1; i < 4; ++i) {
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.copyLevel = i;
textureSpec.levelCount = i + 1;
DoTest(textureSpec, MinimumBufferSpec(kWidth >> i, kHeight >> i),
{kWidth >> i, kHeight >> i, 1});
}
}
// Test that copying with a 512-byte aligned buffer offset works
TEST_P(CopyTests_B2T, OffsetBufferAligned) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, 1};
for (unsigned int i = 0; i < 3; ++i) {
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kHeight);
uint64_t offset = 512 * i;
bufferSpec.size += offset;
bufferSpec.offset += offset;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, 1});
}
}
// Test that copying without a 512-byte aligned buffer offset works
TEST_P(CopyTests_B2T, OffsetBufferUnaligned) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, 1};
const uint32_t bytesPerTexel = utils::GetTexelBlockSizeInBytes(textureSpec.format);
for (uint32_t i = bytesPerTexel; i < 512; i += bytesPerTexel * 9) {
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kHeight);
bufferSpec.size += i;
bufferSpec.offset += i;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, 1});
}
}
// Test that copying without a 512-byte aligned buffer offset that is greater than the bytes per row
// works
TEST_P(CopyTests_B2T, OffsetBufferUnalignedSmallBytesPerRow) {
constexpr uint32_t kWidth = 32;
constexpr uint32_t kHeight = 128;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, 1};
const uint32_t bytesPerTexel = utils::GetTexelBlockSizeInBytes(textureSpec.format);
for (uint32_t i = 256 + bytesPerTexel; i < 512; i += bytesPerTexel * 9) {
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kHeight);
bufferSpec.size += i;
bufferSpec.offset += i;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, 1});
}
}
// Test that copying with a greater bytes per row than needed on a 256-byte aligned texture works
TEST_P(CopyTests_B2T, BytesPerRowAligned) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, 1};
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kHeight);
for (unsigned int i = 1; i < 4; ++i) {
bufferSpec.bytesPerRow += 256;
bufferSpec.size += 256 * kHeight;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, 1});
}
}
// Test that copying with a greater bytes per row than needed on a texture that is not 256-byte
// aligned works
TEST_P(CopyTests_B2T, BytesPerRowUnaligned) {
constexpr uint32_t kWidth = 259;
constexpr uint32_t kHeight = 127;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, 1};
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kHeight);
for (unsigned int i = 1; i < 4; ++i) {
bufferSpec.bytesPerRow += 256;
bufferSpec.size += 256 * kHeight;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, 1});
}
}
// Test that copying with bytesPerRow = 0 and bytesPerRow < bytesInACompleteRow works
// when we're copying one row only
TEST_P(CopyTests_B2T, BytesPerRowWithOneRowCopy) {
constexpr uint32_t kWidth = 259;
constexpr uint32_t kHeight = 127;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, 1};
{
BufferSpec bufferSpec = MinimumBufferSpec(5, 1);
// bytesPerRow undefined
bufferSpec.bytesPerRow = wgpu::kCopyStrideUndefined;
DoTest(textureSpec, bufferSpec, {5, 1, 1});
}
}
TEST_P(CopyTests_B2T, StrideSpecialCases) {
TextureSpec textureSpec;
textureSpec.textureSize = {4, 4, 4};
// bytesPerRow 0
for (const wgpu::Extent3D copyExtent :
{wgpu::Extent3D{0, 2, 2}, {0, 0, 2}, {0, 2, 0}, {0, 0, 0}}) {
DoTest(textureSpec, MinimumBufferSpec(copyExtent, 0, 2), copyExtent);
}
// bytesPerRow undefined
for (const wgpu::Extent3D copyExtent :
{wgpu::Extent3D{2, 1, 1}, {2, 0, 1}, {2, 1, 0}, {2, 0, 0}}) {
DoTest(textureSpec, MinimumBufferSpec(copyExtent, wgpu::kCopyStrideUndefined, 2),
copyExtent);
}
// rowsPerImage 0
for (const wgpu::Extent3D copyExtent :
{wgpu::Extent3D{2, 0, 2}, {2, 0, 0}, {0, 0, 2}, {0, 0, 0}}) {
DoTest(textureSpec, MinimumBufferSpec(copyExtent, 256, 0), copyExtent);
}
// rowsPerImage undefined
for (const wgpu::Extent3D copyExtent : {wgpu::Extent3D{2, 2, 1}, {2, 2, 0}}) {
DoTest(textureSpec, MinimumBufferSpec(copyExtent, 256, wgpu::kCopyStrideUndefined),
copyExtent);
}
}
// Test that copying whole texture 2D array layers in one texture-to-buffer-copy works.
TEST_P(CopyTests_B2T, Texture2DArrayFull) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
constexpr uint32_t kLayers = 6u;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, kLayers};
DoTest(textureSpec, MinimumBufferSpec(kWidth, kHeight, kLayers), {kWidth, kHeight, kLayers});
}
// Test that copying a range of texture 2D array layers in one texture-to-buffer-copy works.
TEST_P(CopyTests_B2T, Texture2DArraySubRegion) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
constexpr uint32_t kLayers = 6u;
constexpr uint32_t kBaseLayer = 2u;
constexpr uint32_t kCopyLayers = 3u;
TextureSpec textureSpec;
textureSpec.copyOrigin = {0, 0, kBaseLayer};
textureSpec.textureSize = {kWidth, kHeight, kLayers};
DoTest(textureSpec, MinimumBufferSpec(kWidth, kHeight, kCopyLayers),
{kWidth, kHeight, kCopyLayers});
}
// Test that copying into a range of texture 2D array layers in one texture-to-buffer-copy when
// RowsPerImage is not equal to the height of the texture works.
TEST_P(CopyTests_B2T, Texture2DArrayRegionNonzeroRowsPerImage) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
constexpr uint32_t kLayers = 6u;
constexpr uint32_t kBaseLayer = 2u;
constexpr uint32_t kCopyLayers = 3u;
constexpr uint32_t kRowsPerImage = kHeight * 2;
TextureSpec textureSpec;
textureSpec.copyOrigin = {0, 0, kBaseLayer};
textureSpec.textureSize = {kWidth, kHeight, kLayers};
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kRowsPerImage, kCopyLayers);
bufferSpec.rowsPerImage = kRowsPerImage;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, kCopyLayers});
}
// Test a special code path in the D3D12 backends when (BytesPerRow * RowsPerImage) is not a
// multiple of 512.
TEST_P(CopyTests_B2T, Texture2DArrayRegionWithOffsetOddRowsPerImage) {
constexpr uint32_t kWidth = 64;
constexpr uint32_t kHeight = 128;
constexpr uint32_t kLayers = 8u;
constexpr uint32_t kBaseLayer = 2u;
constexpr uint32_t kCopyLayers = 5u;
constexpr uint32_t kRowsPerImage = kHeight + 1;
TextureSpec textureSpec;
textureSpec.copyOrigin = {0, 0, kBaseLayer};
textureSpec.textureSize = {kWidth, kHeight, kLayers};
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kRowsPerImage, kCopyLayers);
bufferSpec.offset += 128u;
bufferSpec.size += 128u;
bufferSpec.rowsPerImage = kRowsPerImage;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, kCopyLayers});
}
// Test a special code path in the D3D12 backends when (BytesPerRow * RowsPerImage) is a multiple
// of 512.
TEST_P(CopyTests_B2T, Texture2DArrayRegionWithOffsetEvenRowsPerImage) {
constexpr uint32_t kWidth = 64;
constexpr uint32_t kHeight = 128;
constexpr uint32_t kLayers = 8u;
constexpr uint32_t kBaseLayer = 2u;
constexpr uint32_t kCopyLayers = 5u;
constexpr uint32_t kRowsPerImage = kHeight + 2;
TextureSpec textureSpec;
textureSpec.copyOrigin = {0, 0, kBaseLayer};
textureSpec.textureSize = {kWidth, kHeight, kLayers};
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kRowsPerImage, kCopyLayers);
bufferSpec.offset += 128u;
bufferSpec.size += 128u;
bufferSpec.rowsPerImage = kRowsPerImage;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, kCopyLayers});
}
// Test that copying whole texture 3D in one buffer-to-texture-copy works.
TEST_P(CopyTests_B2T, Texture3DFull) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
constexpr uint32_t kDepth = 6;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, kDepth};
DoTest(textureSpec, MinimumBufferSpec(kWidth, kHeight, kDepth), {kWidth, kHeight, kDepth},
wgpu::TextureDimension::e3D);
}
// Test that copying a range of texture 3D Depths in one texture-to-buffer-copy works.
TEST_P(CopyTests_B2T, Texture3DSubRegion) {
DAWN_TEST_UNSUPPORTED_IF(IsANGLE()); // TODO(crbug.com/angleproject/5967)
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
constexpr uint32_t kDepth = 6;
constexpr uint32_t kBaseDepth = 2u;
constexpr uint32_t kCopyDepth = 3u;
TextureSpec textureSpec;
textureSpec.copyOrigin = {0, 0, kBaseDepth};
textureSpec.textureSize = {kWidth, kHeight, kDepth};
DoTest(textureSpec, MinimumBufferSpec(kWidth, kHeight, kCopyDepth),
{kWidth / 2, kHeight / 2, kCopyDepth}, wgpu::TextureDimension::e3D);
}
TEST_P(CopyTests_B2T, Texture3DNoSplitRowDataWithEmptyFirstRow) {
constexpr uint32_t kWidth = 2;
constexpr uint32_t kHeight = 4;
constexpr uint32_t kDepth = 3;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, kDepth};
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kHeight, kDepth);
// The tests below are designed to test TextureCopySplitter for 3D textures on D3D12.
// Base: no split for a row + no empty first row
bufferSpec.offset = 60;
bufferSpec.size += bufferSpec.offset;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, kDepth}, wgpu::TextureDimension::e3D);
// This test will cover: no split for a row + empty first row
bufferSpec.offset = 260;
bufferSpec.size += bufferSpec.offset;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, kDepth}, wgpu::TextureDimension::e3D);
}
TEST_P(CopyTests_B2T, Texture3DSplitRowDataWithoutEmptyFirstRow) {
constexpr uint32_t kWidth = 259;
constexpr uint32_t kHeight = 127;
constexpr uint32_t kDepth = 3;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, kDepth};
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kHeight, kDepth);
// The test below is designed to test TextureCopySplitter for 3D textures on D3D12.
// This test will cover: split for a row + no empty first row for both split regions
bufferSpec.offset = 260;
bufferSpec.size += bufferSpec.offset;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, kDepth}, wgpu::TextureDimension::e3D);
}
TEST_P(CopyTests_B2T, Texture3DSplitRowDataWithEmptyFirstRow) {
constexpr uint32_t kWidth = 39;
constexpr uint32_t kHeight = 4;
constexpr uint32_t kDepth = 3;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, kDepth};
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kHeight, kDepth);
// The tests below are designed to test TextureCopySplitter for 3D textures on D3D12.
// This test will cover: split for a row + empty first row for the head block
bufferSpec.offset = 400;
bufferSpec.size += bufferSpec.offset;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, kDepth}, wgpu::TextureDimension::e3D);
// This test will cover: split for a row + empty first row for the tail block
bufferSpec.offset = 160;
bufferSpec.size += bufferSpec.offset;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, kDepth}, wgpu::TextureDimension::e3D);
}
TEST_P(CopyTests_B2T, Texture3DCopyHeightIsOneCopyWidthIsTiny) {
constexpr uint32_t kWidth = 2;
constexpr uint32_t kHeight = 1;
constexpr uint32_t kDepth = 3;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, kDepth};
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kHeight, kDepth);
// The tests below are designed to test TextureCopySplitter for 3D textures on D3D12.
// Base: no split for a row, no empty row, and copy height is 1
bufferSpec.offset = 60;
bufferSpec.size += bufferSpec.offset;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, kDepth}, wgpu::TextureDimension::e3D);
// This test will cover: no split for a row + empty first row, and copy height is 1
bufferSpec.offset = 260;
bufferSpec.size += bufferSpec.offset;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, kDepth}, wgpu::TextureDimension::e3D);
}
TEST_P(CopyTests_B2T, Texture3DCopyHeightIsOneCopyWidthIsSmall) {
constexpr uint32_t kWidth = 39;
constexpr uint32_t kHeight = 1;
constexpr uint32_t kDepth = 3;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, kDepth};
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kHeight, kDepth);
// The tests below are designed to test TextureCopySplitter for 3D textures on D3D12.
// This test will cover: split for a row + empty first row for the head block, and copy height
// is 1
bufferSpec.offset = 400;
bufferSpec.size += bufferSpec.offset;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, kDepth}, wgpu::TextureDimension::e3D);
// This test will cover: split for a row + empty first row for the tail block, and copy height
// is 1
bufferSpec.offset = 160;
bufferSpec.size += bufferSpec.offset;
DoTest(textureSpec, bufferSpec, {kWidth, kHeight, kDepth}, wgpu::TextureDimension::e3D);
}
// Test that copying texture 3D array mips with 256-byte aligned sizes works
TEST_P(CopyTests_B2T, Texture3DMipAligned) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
constexpr uint32_t kDepth = 64u;
TextureSpec defaultTextureSpec;
defaultTextureSpec.textureSize = {kWidth, kHeight, kDepth};
for (unsigned int i = 1; i < 6; ++i) {
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.copyLevel = i;
textureSpec.levelCount = i + 1;
DoTest(textureSpec, MinimumBufferSpec(kWidth >> i, kHeight >> i, kDepth >> i),
{kWidth >> i, kHeight >> i, kDepth >> i}, wgpu::TextureDimension::e3D);
}
}
// Test that copying texture 3D array mips with 256-byte unaligned sizes works
TEST_P(CopyTests_B2T, Texture3DMipUnaligned) {
constexpr uint32_t kWidth = 261;
constexpr uint32_t kHeight = 123;
constexpr uint32_t kDepth = 69u;
TextureSpec defaultTextureSpec;
defaultTextureSpec.textureSize = {kWidth, kHeight, kDepth};
for (unsigned int i = 1; i < 6; ++i) {
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.copyLevel = i;
textureSpec.levelCount = i + 1;
DoTest(textureSpec, MinimumBufferSpec(kWidth >> i, kHeight >> i, kDepth >> i),
{kWidth >> i, kHeight >> i, kDepth >> i}, wgpu::TextureDimension::e3D);
}
}
DAWN_INSTANTIATE_TEST(CopyTests_B2T,
D3D12Backend(),
MetalBackend(),
OpenGLBackend(),
OpenGLESBackend(),
VulkanBackend());
TEST_P(CopyTests_T2T, Texture) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, 1};
DoTest(textureSpec, textureSpec, {kWidth, kHeight, 1});
}
// Test noop copies.
TEST_P(CopyTests_T2T, ZeroSizedCopy) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, 1};
DoTest(textureSpec, textureSpec, {0, kHeight, 1});
DoTest(textureSpec, textureSpec, {kWidth, 0, 1});
DoTest(textureSpec, textureSpec, {kWidth, kHeight, 0});
}
TEST_P(CopyTests_T2T, TextureRegion) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
TextureSpec defaultTextureSpec;
defaultTextureSpec.textureSize = {kWidth, kHeight, 1};
for (unsigned int w : {64, 128, 256}) {
for (unsigned int h : {16, 32, 48}) {
TextureSpec textureSpec = defaultTextureSpec;
DoTest(textureSpec, textureSpec, {w, h, 1});
}
}
}
TEST_P(CopyTests_T2T, TextureMip) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
TextureSpec defaultTextureSpec;
defaultTextureSpec.textureSize = {kWidth, kHeight, 1};
for (unsigned int i = 1; i < 4; ++i) {
TextureSpec textureSpec = defaultTextureSpec;
textureSpec.copyLevel = i;
textureSpec.levelCount = i + 1;
DoTest(textureSpec, textureSpec, {kWidth >> i, kHeight >> i, 1});
}
}
TEST_P(CopyTests_T2T, SingleMipSrcMultipleMipDst) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
TextureSpec defaultTextureSpec;
for (unsigned int i = 1; i < 4; ++i) {
TextureSpec srcTextureSpec = defaultTextureSpec;
srcTextureSpec.textureSize = {kWidth >> i, kHeight >> i, 1};
TextureSpec dstTextureSpec = defaultTextureSpec;
dstTextureSpec.textureSize = {kWidth, kHeight, 1};
dstTextureSpec.copyLevel = i;
dstTextureSpec.levelCount = i + 1;
DoTest(srcTextureSpec, dstTextureSpec, {kWidth >> i, kHeight >> i, 1});
}
}
TEST_P(CopyTests_T2T, MultipleMipSrcSingleMipDst) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
TextureSpec defaultTextureSpec;
for (unsigned int i = 1; i < 4; ++i) {
TextureSpec srcTextureSpec = defaultTextureSpec;
srcTextureSpec.textureSize = {kWidth, kHeight, 1};
srcTextureSpec.copyLevel = i;
srcTextureSpec.levelCount = i + 1;
TextureSpec dstTextureSpec = defaultTextureSpec;
dstTextureSpec.textureSize = {kWidth >> i, kHeight >> i, 1};
DoTest(srcTextureSpec, dstTextureSpec, {kWidth >> i, kHeight >> i, 1});
}
}
// Test that copying from one mip level to another mip level within the same 2D texture works.
TEST_P(CopyTests_T2T, Texture2DSameTextureDifferentMipLevels) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
TextureSpec defaultTextureSpec;
defaultTextureSpec.textureSize = {kWidth, kHeight, 1};
defaultTextureSpec.levelCount = 6;
for (unsigned int i = 1; i < 6; ++i) {
TextureSpec srcSpec = defaultTextureSpec;
srcSpec.copyLevel = i - 1;
TextureSpec dstSpec = defaultTextureSpec;
dstSpec.copyLevel = i;
DoTest(srcSpec, dstSpec, {kWidth >> i, kHeight >> i, 1}, true);
}
}
// Test copying the whole 2D array texture.
TEST_P(CopyTests_T2T, Texture2DArrayFull) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
constexpr uint32_t kLayers = 6u;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, kLayers};
DoTest(textureSpec, textureSpec, {kWidth, kHeight, kLayers});
}
// Test copying a subresource region of the 2D array texture.
TEST_P(CopyTests_T2T, Texture2DArrayRegion) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
constexpr uint32_t kLayers = 6u;
TextureSpec defaultTextureSpec;
defaultTextureSpec.textureSize = {kWidth, kHeight, kLayers};
for (unsigned int w : {64, 128, 256}) {
for (unsigned int h : {16, 32, 48}) {
TextureSpec textureSpec = defaultTextureSpec;
DoTest(textureSpec, textureSpec, {w, h, kLayers});
}
}
}
// Test copying one slice of a 2D array texture.
TEST_P(CopyTests_T2T, Texture2DArrayCopyOneSlice) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
constexpr uint32_t kLayers = 6u;
constexpr uint32_t kSrcBaseLayer = 1u;
constexpr uint32_t kDstBaseLayer = 3u;
constexpr uint32_t kCopyArrayLayerCount = 1u;
TextureSpec defaultTextureSpec;
defaultTextureSpec.textureSize = {kWidth, kHeight, kLayers};
TextureSpec srcTextureSpec = defaultTextureSpec;
srcTextureSpec.copyOrigin = {0, 0, kSrcBaseLayer};
TextureSpec dstTextureSpec = defaultTextureSpec;
dstTextureSpec.copyOrigin = {0, 0, kDstBaseLayer};
DoTest(srcTextureSpec, dstTextureSpec, {kWidth, kHeight, kCopyArrayLayerCount});
}
// Test copying multiple contiguous slices of a 2D array texture.
TEST_P(CopyTests_T2T, Texture2DArrayCopyMultipleSlices) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
constexpr uint32_t kLayers = 6u;
constexpr uint32_t kSrcBaseLayer = 0u;
constexpr uint32_t kDstBaseLayer = 3u;
constexpr uint32_t kCopyArrayLayerCount = 3u;
TextureSpec defaultTextureSpec;
defaultTextureSpec.textureSize = {kWidth, kHeight, kLayers};
TextureSpec srcTextureSpec = defaultTextureSpec;
srcTextureSpec.copyOrigin = {0, 0, kSrcBaseLayer};
TextureSpec dstTextureSpec = defaultTextureSpec;
dstTextureSpec.copyOrigin = {0, 0, kDstBaseLayer};
DoTest(srcTextureSpec, dstTextureSpec, {kWidth, kHeight, kCopyArrayLayerCount});
}
// Test copying one texture slice within the same texture.
TEST_P(CopyTests_T2T, CopyWithinSameTextureOneSlice) {
constexpr uint32_t kWidth = 256u;
constexpr uint32_t kHeight = 128u;
constexpr uint32_t kLayers = 6u;
constexpr uint32_t kSrcBaseLayer = 0u;
constexpr uint32_t kDstBaseLayer = 3u;
constexpr uint32_t kCopyArrayLayerCount = 1u;
TextureSpec defaultTextureSpec;
defaultTextureSpec.textureSize = {kWidth, kHeight, kLayers};
TextureSpec srcTextureSpec = defaultTextureSpec;
srcTextureSpec.copyOrigin = {0, 0, kSrcBaseLayer};
TextureSpec dstTextureSpec = defaultTextureSpec;
dstTextureSpec.copyOrigin = {0, 0, kDstBaseLayer};
DoTest(srcTextureSpec, dstTextureSpec, {kWidth, kHeight, kCopyArrayLayerCount}, true);
}
// Test copying multiple contiguous texture slices within the same texture with non-overlapped
// slices.
TEST_P(CopyTests_T2T, CopyWithinSameTextureNonOverlappedSlices) {
constexpr uint32_t kWidth = 256u;
constexpr uint32_t kHeight = 128u;
constexpr uint32_t kLayers = 6u;
constexpr uint32_t kSrcBaseLayer = 0u;
constexpr uint32_t kDstBaseLayer = 3u;
constexpr uint32_t kCopyArrayLayerCount = 3u;
TextureSpec defaultTextureSpec;
defaultTextureSpec.textureSize = {kWidth, kHeight, kLayers};
TextureSpec srcTextureSpec = defaultTextureSpec;
srcTextureSpec.copyOrigin = {0, 0, kSrcBaseLayer};
TextureSpec dstTextureSpec = defaultTextureSpec;
dstTextureSpec.copyOrigin = {0, 0, kDstBaseLayer};
DoTest(srcTextureSpec, dstTextureSpec, {kWidth, kHeight, kCopyArrayLayerCount}, true);
}
// A regression test (from WebGPU CTS) for an Intel D3D12 driver bug about T2T copy with specific
// texture formats. See http://crbug.com/1161355 for more details.
TEST_P(CopyTests_T2T, CopyFromNonZeroMipLevelWithTexelBlockSizeLessThan4Bytes) {
// This test can pass on the Windows Intel Vulkan driver version 27.20.100.9168.
// TODO(crbug.com/dawn/819): enable this test on Intel Vulkan drivers after the upgrade of
// try bots.
DAWN_SUPPRESS_TEST_IF(IsVulkan() && IsWindows() && IsIntel());
constexpr std::array<wgpu::TextureFormat, 11> kFormats = {
{wgpu::TextureFormat::RG8Sint, wgpu::TextureFormat::RG8Uint, wgpu::TextureFormat::RG8Snorm,
wgpu::TextureFormat::RG8Unorm, wgpu::TextureFormat::R16Float, wgpu::TextureFormat::R16Sint,
wgpu::TextureFormat::R16Uint, wgpu::TextureFormat::R8Snorm, wgpu::TextureFormat::R8Unorm,
wgpu::TextureFormat::R8Sint, wgpu::TextureFormat::R8Uint}};
constexpr uint32_t kSrcLevelCount = 4;
constexpr uint32_t kDstLevelCount = 5;
constexpr uint32_t kSrcSize = 2 << kSrcLevelCount;
constexpr uint32_t kDstSize = 2 << kDstLevelCount;
ASSERT_LE(kSrcSize, kTextureBytesPerRowAlignment);
ASSERT_LE(kDstSize, kTextureBytesPerRowAlignment);
// The copyLayer to test:
// 1u (non-array texture), 3u (copyLayer < copyWidth), 5u (copyLayer > copyWidth)
constexpr std::array<uint32_t, 3> kTestTextureLayer = {1u, 3u, 5u};
for (wgpu::TextureFormat format : kFormats) {
if (HasToggleEnabled("disable_snorm_read") &&
(format == wgpu::TextureFormat::RG8Snorm || format == wgpu::TextureFormat::R8Snorm)) {
continue;
}
if (HasToggleEnabled("disable_r8_rg8_mipmaps") &&
(format == wgpu::TextureFormat::R8Unorm || format == wgpu::TextureFormat::RG8Unorm)) {
continue;
}
for (uint32_t textureLayer : kTestTextureLayer) {
const wgpu::Extent3D kUploadSize = {4u, 4u, textureLayer};
for (uint32_t srcLevel = 0; srcLevel < kSrcLevelCount; ++srcLevel) {
for (uint32_t dstLevel = 0; dstLevel < kDstLevelCount; ++dstLevel) {
TextureSpec srcSpec;
srcSpec.levelCount = kSrcLevelCount;
srcSpec.format = format;
srcSpec.copyLevel = srcLevel;
srcSpec.textureSize = {kSrcSize, kSrcSize, textureLayer};
TextureSpec dstSpec = srcSpec;
dstSpec.levelCount = kDstLevelCount;
dstSpec.copyLevel = dstLevel;
dstSpec.textureSize = {kDstSize, kDstSize, textureLayer};
DoTest(srcSpec, dstSpec, kUploadSize);
}
}
}
}
}
// Test that copying from one mip level to another mip level within the same 2D array texture works.
TEST_P(CopyTests_T2T, Texture2DArraySameTextureDifferentMipLevels) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
constexpr uint32_t kLayers = 8u;
TextureSpec defaultTextureSpec;
defaultTextureSpec.textureSize = {kWidth, kHeight, kLayers};
defaultTextureSpec.levelCount = 6;
for (unsigned int i = 1; i < 6; ++i) {
TextureSpec srcSpec = defaultTextureSpec;
srcSpec.copyLevel = i - 1;
TextureSpec dstSpec = defaultTextureSpec;
dstSpec.copyLevel = i;
DoTest(srcSpec, dstSpec, {kWidth >> i, kHeight >> i, kLayers}, true);
}
}
// Test that copying whole 3D texture in one texture-to-texture-copy works.
TEST_P(CopyTests_T2T, Texture3DFull) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
constexpr uint32_t kDepth = 6u;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, kDepth};
DoTest(textureSpec, textureSpec, {kWidth, kHeight, kDepth}, false, wgpu::TextureDimension::e3D);
}
// Test that copying from one mip level to another mip level within the same 3D texture works.
TEST_P(CopyTests_T2T, Texture3DSameTextureDifferentMipLevels) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
constexpr uint32_t kDepth = 6u;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, kDepth};
textureSpec.levelCount = 2;
TextureSpec dstSpec = textureSpec;
dstSpec.copyLevel = 1;
DoTest(textureSpec, dstSpec, {kWidth >> 1, kHeight >> 1, kDepth >> 1}, true,
wgpu::TextureDimension::e3D);
}
// Test that copying whole 3D texture to a 2D array in one texture-to-texture-copy works.
TEST_P(CopyTests_T2T, Texture3DTo2DArrayFull) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
constexpr uint32_t kDepth = 6u;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, kDepth};
DoTest(textureSpec, textureSpec, {kWidth, kHeight, kDepth}, wgpu::TextureDimension::e3D,
wgpu::TextureDimension::e2D);
}
// Test that copying between 3D texture and 2D array textures works. It includes partial copy
// for src and/or dst texture, non-zero offset (copy origin), non-zero mip level.
TEST_P(CopyTests_T2T, Texture3DAnd2DArraySubRegion) {
DAWN_TEST_UNSUPPORTED_IF(IsANGLE()); // TODO(crbug.com/angleproject/5967)
// TODO(crbug.com/dawn/1216): Remove this suppression.
DAWN_SUPPRESS_TEST_IF(IsD3D12() && IsNvidia());
constexpr uint32_t kWidth = 8;
constexpr uint32_t kHeight = 4;
constexpr uint32_t kDepth = 2u;
TextureSpec baseSpec;
baseSpec.textureSize = {kWidth, kHeight, kDepth};
TextureSpec srcSpec = baseSpec;
TextureSpec dstSpec = baseSpec;
// dst texture is a partial copy
dstSpec.textureSize = {kWidth * 2, kHeight * 2, kDepth * 2};
DoTest(srcSpec, dstSpec, {kWidth, kHeight, kDepth}, wgpu::TextureDimension::e3D,
wgpu::TextureDimension::e2D);
DoTest(srcSpec, dstSpec, {kWidth, kHeight, kDepth}, wgpu::TextureDimension::e2D,
wgpu::TextureDimension::e3D);
// src texture is a partial copy
srcSpec.textureSize = {kWidth * 2, kHeight * 2, kDepth * 2};
dstSpec = baseSpec;
DoTest(srcSpec, dstSpec, {kWidth, kHeight, kDepth}, wgpu::TextureDimension::e3D,
wgpu::TextureDimension::e2D);
DoTest(srcSpec, dstSpec, {kWidth, kHeight, kDepth}, wgpu::TextureDimension::e2D,
wgpu::TextureDimension::e3D);
// Both src and dst texture is a partial copy
srcSpec.textureSize = {kWidth * 2, kHeight * 2, kDepth * 2};
dstSpec.textureSize = {kWidth * 2, kHeight * 2, kDepth * 2};
DoTest(srcSpec, dstSpec, {kWidth, kHeight, kDepth}, wgpu::TextureDimension::e3D,
wgpu::TextureDimension::e2D);
DoTest(srcSpec, dstSpec, {kWidth, kHeight, kDepth}, wgpu::TextureDimension::e2D,
wgpu::TextureDimension::e3D);
// Non-zero offset (copy origin)
srcSpec = baseSpec;
dstSpec.textureSize = {kWidth * 2, kHeight * 2, kDepth * 2};
dstSpec.copyOrigin = {kWidth, kHeight, kDepth};
DoTest(srcSpec, dstSpec, {kWidth, kHeight, kDepth}, wgpu::TextureDimension::e3D,
wgpu::TextureDimension::e2D);
DoTest(srcSpec, dstSpec, {kWidth, kHeight, kDepth}, wgpu::TextureDimension::e2D,
wgpu::TextureDimension::e3D);
// Non-zero mip level
srcSpec = baseSpec;
dstSpec.textureSize = {kWidth * 2, kHeight * 2, kDepth * 2};
dstSpec.copyOrigin = {0, 0, 0};
dstSpec.copyLevel = 1;
dstSpec.levelCount = 2;
DoTest(srcSpec, dstSpec, {kWidth, kHeight, kDepth}, wgpu::TextureDimension::e3D,
wgpu::TextureDimension::e2D);
DoTest(srcSpec, dstSpec, {kWidth, kHeight, kDepth}, wgpu::TextureDimension::e2D,
wgpu::TextureDimension::e3D);
}
// Test that copying whole 2D array to a 3D texture in one texture-to-texture-copy works.
TEST_P(CopyTests_T2T, Texture2DArrayTo3DFull) {
// TODO(crbug.com/dawn/1216): Remove this suppression.
DAWN_SUPPRESS_TEST_IF(IsD3D12() && IsNvidia());
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight