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dawn / dawn / cc2516ac15ebeb6c3c07a427a76d6b57832d3154 / . / src / dawn / tests / end2end / CopyTests.cpp
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// Copyright 2017 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <algorithm>
#include <array>
#include <vector>
#include "dawn/common/Constants.h"
#include "dawn/common/Math.h"
#include "dawn/tests/DawnTest.h"
#include "dawn/utils/TestUtils.h"
#include "dawn/utils/TextureUtils.h"
#include "dawn/utils/WGPUHelpers.h"
namespace dawn {
namespace {
// 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;
bool IsSnorm(wgpu::TextureFormat format) {
return format == wgpu::TextureFormat::RGBA8Snorm || format == wgpu::TextureFormat::RG8Snorm ||
format == wgpu::TextureFormat::R8Snorm;
}
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;
uint8_t v = static_cast<uint8_t>((x + 1 + (layer + 1) * y) % 256);
if (v == 0x80u) {
// Some texture copy is implemented via textureLoad from compute pass.
// For 8 bit Snorm texture when read in shader, 0x80 (-128) becomes 0x81
// (-127) As Snorm value range mapped to [-1, 1]. To avoid failure in buffer
// comparison stage, simply avoid writing 0x81 instead of 0x80 to the
// texture.
v = 0x81u;
}
textureData[byteOffsetPerSlice + i] = v;
}
}
}
return textureData;
}
// Special function to generate test data for RGB9E5Ufloat to workaround nonunique encoding
// issue.
static std::vector<uint8_t> GetExpectedTextureDataRGB9E5Ufloat(
const utils::TextureDataCopyLayout& layout) {
// These are some known RGB9E5Ufloat values that always unpack and pack to the same bytes.
// Pick test data from these values to provide some level of test coverage for RGB9E5Ufloat.
constexpr uint8_t goodBytes[] = {
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E,
0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C,
0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28};
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; ++x) {
uint32_t o =
x * bytesPerTexelBlock + y * layout.bytesPerRow + byteOffsetPerSlice;
uint32_t idx = 4 * ((x + 1 + (layer + 1) * y) % (sizeof(goodBytes) / 4));
textureData[o + 0] = goodBytes[idx + 0];
textureData[o + 1] = goodBytes[idx + 1];
textureData[o + 2] = goodBytes[idx + 2];
textureData[o + 3] = goodBytes[idx + 3];
}
}
}
return textureData;
}
// TODO(crbug.com/dawn/818): remove this function when all the tests in this file support
// testing arbitrary formats.
static std::vector<utils::RGBA8> GetExpectedTextureDataRGBA8(
const utils::TextureDataCopyLayout& layout) {
std::vector<utils::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] =
utils::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;
}
// Align with 4 byte, not actually "minimum" but is needed when check buffer content.
uint32_t totalDataSize =
Align(utils::RequiredBytesInCopy(bytesPerRow, rowsPerImage, copyExtent, format), 4);
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);
}
}
}
};
namespace {
using TextureFormat = wgpu::TextureFormat;
DAWN_TEST_PARAM_STRUCT(CopyTextureFormatParams, TextureFormat);
} // namespace
class CopyTests_T2B : public CopyTests, public DawnTestWithParams<CopyTextureFormatParams> {
protected:
struct TextureSpec : CopyTests::TextureSpec {
TextureSpec() { format = GetParam().mTextureFormat; }
};
void SetUp() override {
DawnTestWithParams<CopyTextureFormatParams>::SetUp();
// TODO(dawn:2129): Fail for Win ANGLE D3D11
DAWN_SUPPRESS_TEST_IF((GetParam().mTextureFormat == wgpu::TextureFormat::RGB9E5Ufloat) &&
IsANGLED3D11() && IsWindows());
// TODO(dawn:1877): blit texture to copy path failing some tests on ANGLE Swiftshader
DAWN_SUPPRESS_TEST_IF((IsSnorm(GetParam().mTextureFormat) ||
GetParam().mTextureFormat == wgpu::TextureFormat::RGB9E5Ufloat) &&
IsANGLESwiftShader());
// TODO(dawn:1913): Many float formats tests failing for Metal backend on Mac Intel.
DAWN_SUPPRESS_TEST_IF((GetParam().mTextureFormat == wgpu::TextureFormat::R32Float ||
GetParam().mTextureFormat == wgpu::TextureFormat::RG32Float ||
GetParam().mTextureFormat == wgpu::TextureFormat::RGBA32Float ||
GetParam().mTextureFormat == wgpu::TextureFormat::RGBA16Float ||
GetParam().mTextureFormat == wgpu::TextureFormat::RG11B10Ufloat) &&
IsMacOS() && IsIntel() && IsMetal());
// TODO(dawn:1914): Many 16 float formats tests failing for Vulkan backend on Android
// Pixel 4.
DAWN_SUPPRESS_TEST_IF((GetParam().mTextureFormat == wgpu::TextureFormat::R16Float ||
GetParam().mTextureFormat == wgpu::TextureFormat::RG16Float ||
GetParam().mTextureFormat == wgpu::TextureFormat::RGBA16Float ||
GetParam().mTextureFormat == wgpu::TextureFormat::RG11B10Ufloat) &&
IsAndroid() && IsVulkan());
// TODO(dawn:1935): Many 16 float formats tests failing for D3D11 and OpenGLES backends on
// Intel Gen12.
DAWN_SUPPRESS_TEST_IF((GetParam().mTextureFormat == wgpu::TextureFormat::R16Float ||
GetParam().mTextureFormat == wgpu::TextureFormat::RGBA16Float ||
GetParam().mTextureFormat == wgpu::TextureFormat::RG11B10Ufloat) &&
(IsD3D11() || IsOpenGLES()) && IsIntelGen12());
}
static BufferSpec MinimumBufferSpec(uint32_t width, uint32_t height, uint32_t depth = 1) {
return CopyTests::MinimumBufferSpec(width, height, depth, GetParam().mTextureFormat);
}
static BufferSpec MinimumBufferSpec(wgpu::Extent3D copyExtent,
uint32_t overrideBytesPerRow = kStrideComputeDefault,
uint32_t overrideRowsPerImage = kStrideComputeDefault) {
return CopyTests::MinimumBufferSpec(copyExtent, overrideBytesPerRow, overrideRowsPerImage,
GetParam().mTextureFormat);
}
void DoTest(const TextureSpec& textureSpec,
const BufferSpec& bufferSpec,
const wgpu::Extent3D& copySize,
wgpu::TextureDimension dimension = wgpu::TextureDimension::e2D) {
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);
std::vector<uint8_t> textureArrayData =
(textureSpec.format == wgpu::TextureFormat::RGB9E5Ufloat)
? GetExpectedTextureDataRGB9E5Ufloat(copyLayout)
: GetExpectedTextureData(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};
const uint32_t maxArrayLayer = textureSpec.copyOrigin.z + copyLayer;
std::vector<uint8_t> expected(utils::RequiredBytesInCopy(
bufferSpec.bytesPerRow, bufferSpec.rowsPerImage, copySizePerLayer, textureSpec.format));
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(), 0x00);
const uint32_t texelIndexOffset = copyLayout.bytesPerImage * layer;
const uint32_t expectedTexelArrayDataStartIndex =
texelIndexOffset +
bytesPerTexel * (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_U8_RANGE_EQ(reinterpret_cast<const uint8_t*>(expected.data()), buffer,
bufferOffset, 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(utils::RGBA8* data, size_t count) {
for (size_t i = 0; i < count; ++i) {
data[i] =
utils::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<utils::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<utils::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;
}
}
};
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) {
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 | 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 =
(format == wgpu::TextureFormat::RGB9E5Ufloat)
? GetExpectedTextureDataRGB9E5Ufloat(srcDataCopyLayout)
: 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);
encoder.CopyTextureToTexture(&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));
}
}
}
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);
}
};
class CopyTests_T2T : public CopyTests_T2TBase<DawnTestWithParams<CopyTextureFormatParams>> {
protected:
struct TextureSpec : CopyTests::TextureSpec {
TextureSpec() { format = GetParam().mTextureFormat; }
};
void SetUp() override {
DawnTestWithParams<CopyTextureFormatParams>::SetUp();
// TODO(dawn:2129): Fail for Win ANGLE D3D11
DAWN_SUPPRESS_TEST_IF((GetParam().mTextureFormat == wgpu::TextureFormat::RGB9E5Ufloat) &&
IsANGLED3D11() && IsWindows());
// TODO(dawn:1877): blit texture to copy path failing some tests on ANGLE Swiftshader
DAWN_SUPPRESS_TEST_IF((GetParam().mTextureFormat == wgpu::TextureFormat::RGB9E5Ufloat) &&
IsANGLESwiftShader());
}
};
namespace {
using SrcColorFormat = wgpu::TextureFormat;
DAWN_TEST_PARAM_STRUCT(SrcColorFormatParams, SrcColorFormat);
} // namespace
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:
DAWN_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) {
DAWN_ASSERT(sourceSize % 4 == 0);
DAWN_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) {
DAWN_ASSERT(bufferSize % 4 == 0);
DAWN_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) {
// TODO(dawn:1873): GL textureLoad result is incorrect.
DAWN_SUPPRESS_TEST_IF((IsSnorm(GetParam().mTextureFormat) ||
GetParam().mTextureFormat == wgpu::TextureFormat::RGB9E5Ufloat) &&
(IsOpenGL() || IsOpenGLES()));
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) {
// TODO(dawn:1880): suppress failing on Windows Intel Vulkan backend with
// blit path toggles on. These toggles are only turned on for this
// backend in the test so the defect won't impact the production code directly. But something is
// wrong with the specific hardware.
DAWN_SUPPRESS_TEST_IF(HasToggleEnabled("use_blit_for_snorm_texture_to_buffer_copy") &&
IsSnorm(GetParam().mTextureFormat) && IsVulkan() && IsIntel() &&
IsWindows());
DAWN_SUPPRESS_TEST_IF(HasToggleEnabled("use_blit_for_bgra8unorm_texture_to_buffer_copy") &&
(GetParam().mTextureFormat == wgpu::TextureFormat::BGRA8Unorm) &&
IsVulkan() && IsIntel() && IsWindows());
DAWN_SUPPRESS_TEST_IF(HasToggleEnabled("use_blit_for_rgb9e5ufloat_texture_copy") &&
(GetParam().mTextureFormat == wgpu::TextureFormat::RGB9E5Ufloat) &&
IsVulkan() && IsIntel() && IsWindows());
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;
bufferSpec.size = Align(bufferSpec.size, 4);
bufferSpec.offset = Align(bufferSpec.offset, 4);
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;
bufferSpec.size = Align(bufferSpec.size, 4);
bufferSpec.offset = Align(bufferSpec.offset, 4);
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) {
constexpr uint32_t kWidth = 250;
constexpr uint32_t kHeight = 3;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, 1};
const uint32_t bytesPerTexel = utils::GetTexelBlockSizeInBytes(textureSpec.format);
// Check various offsets to cover each code path in the 2D split code in TextureCopySplitter.
for (uint32_t offset : {0u, Align(bytesPerTexel, 4u), Align(bytesPerTexel * 8u, 4u)}) {
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) {
constexpr uint32_t kWidth = 250;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, 1, 1};
const uint32_t bytesPerTexel = utils::GetTexelBlockSizeInBytes(textureSpec.format);
// Check various offsets to cover each code path in the 2D split code in TextureCopySplitter.
for (uint32_t offset : {0u, Align(bytesPerTexel, 4u), Align(bytesPerTexel * 25u, 4u)}) {
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, 1);
bufferSpec.bytesPerRow =
Align(kWidth * bytesPerTexel + 99, 256); // 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/667): Work around the fact that some platforms do not support reading
// depth.
DAWN_TEST_UNSUPPORTED_IF(HasToggleEnabled("disable_depth_read"));
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.UnsetDepthStencilLoadStoreOpsForFormat(kFormat);
renderPass.cDepthStencilAttachmentInfo.depthClearValue = kClearDepthValue;
renderPass.cDepthStencilAttachmentInfo.depthLoadOp = wgpu::LoadOp::Clear;
renderPass.cDepthStencilAttachmentInfo.depthStoreOp = wgpu::StoreOp::Store;
wgpu::RenderPassEncoder renderPassEncoder = encoder.BeginRenderPass(&renderPass);
renderPassEncoder.End();
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});
}
// Testing a series of params for 1D texture texture-to-buffer-copy.
TEST_P(CopyTests_T2B, Texture1D) {
// TODO(dawn:1705): support 1d texture.
DAWN_SUPPRESS_TEST_IF(IsD3D11());
struct Param {
uint32_t textureWidth;
uint32_t copyWidth;
uint32_t copyOrigin;
};
constexpr Param params[] = {
{256, 256, 0}, {256, 16, 128}, {256, 16, 0}, {8, 8, 0},
{8, 1, 7}, {259, 259, 0}, {259, 255, 3},
};
constexpr uint32_t bufferOffsets[] = {0, 16, 256};
for (const auto& p : params) {
for (const uint32_t offset : bufferOffsets) {
TextureSpec textureSpec;
textureSpec.copyOrigin = {p.copyOrigin, 0, 0};
textureSpec.textureSize = {p.textureWidth, 1, 1};
BufferSpec bufferSpec = MinimumBufferSpec(p.copyWidth, 1, 1);
bufferSpec.offset = offset;
bufferSpec.size += offset;
DoTest(textureSpec, bufferSpec, {p.copyWidth, 1, 1}, wgpu::TextureDimension::e1D);
}
}
}
// 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) {
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};
const uint32_t bytesPerTexel = utils::GetTexelBlockSizeInBytes(textureSpec.format);
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 = Align(60u, bytesPerTexel);
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 = Align(260u, bytesPerTexel);
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};
const uint32_t bytesPerTexel = utils::GetTexelBlockSizeInBytes(textureSpec.format);
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 = Align(260u, bytesPerTexel);
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};
const uint32_t bytesPerTexel = utils::GetTexelBlockSizeInBytes(textureSpec.format);
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 = Align(60u, bytesPerTexel);
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 = Align(260u, bytesPerTexel);
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) {
// TODO(dawn:1872): GL textureLoad incorrectly for 3D texture with mipLevel > 0 and depth > 0
DAWN_SUPPRESS_TEST_IF((IsSnorm(GetParam().mTextureFormat) ||
GetParam().mTextureFormat == wgpu::TextureFormat::RGB9E5Ufloat) &&
(IsOpenGL() || IsOpenGLES()));
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) {
// TODO(dawn:1872): GL textureLoad incorrectly for 3D texture with mipLevel > 0 and depth > 0
DAWN_SUPPRESS_TEST_IF((IsSnorm(GetParam().mTextureFormat) ||
GetParam().mTextureFormat == wgpu::TextureFormat::RGB9E5Ufloat) &&
(IsOpenGL() || IsOpenGLES()));
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_P(CopyTests_T2B,
{D3D11Backend(), D3D12Backend(), MetalBackend(), OpenGLBackend(),
OpenGLESBackend(), VulkanBackend(),
VulkanBackend({"use_blit_for_snorm_texture_to_buffer_copy",
"use_blit_for_bgra8unorm_texture_to_buffer_copy"})},
{
wgpu::TextureFormat::R8Unorm,
wgpu::TextureFormat::RG8Unorm,
wgpu::TextureFormat::RGBA8Unorm,
wgpu::TextureFormat::R8Uint,
wgpu::TextureFormat::R8Sint,
wgpu::TextureFormat::R16Uint,
wgpu::TextureFormat::R16Sint,
wgpu::TextureFormat::R16Float,
wgpu::TextureFormat::R32Uint,
wgpu::TextureFormat::R32Sint,
wgpu::TextureFormat::R32Float,
wgpu::TextureFormat::RG32Float,
wgpu::TextureFormat::RG32Uint,
wgpu::TextureFormat::RG32Sint,
wgpu::TextureFormat::RGBA16Uint,
wgpu::TextureFormat::RGBA16Sint,
wgpu::TextureFormat::RGBA16Float,
wgpu::TextureFormat::RGBA32Float,
wgpu::TextureFormat::RGB10A2Unorm,
wgpu::TextureFormat::RG11B10Ufloat,
// Testing OpenGL compat Toggle::UseBlitForRGB9E5UfloatTextureCopy
wgpu::TextureFormat::RGB9E5Ufloat,
// Testing OpenGL compat Toggle::UseBlitForSnormTextureToBufferCopy
wgpu::TextureFormat::R8Snorm,
wgpu::TextureFormat::RG8Snorm,
wgpu::TextureFormat::RGBA8Snorm,
// Testing OpenGL compat Toggle::UseBlitForBGRA8UnormTextureToBufferCopy
wgpu::TextureFormat::BGRA8Unorm,
});
// 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) {
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,
D3D11Backend(),
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) {
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) {
// TODO(dawn:1877): Snorm copy failing ANGLE Swiftshader, need further investigation.
if (IsANGLESwiftShader() &&
(format == wgpu::TextureFormat::RG8Snorm || format == wgpu::TextureFormat::R8Snorm)) {
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);
}
}
// Resolve all the deferred expectations now to avoid allocating too much memory
// in mDeferredExpectations.
ResolveDeferredExpectationsNow();
}
}
}
// 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) {
// TODO(dawn:1872): GL textureLoad incorrectly for 3D texture with mipLevel > 0 and depth > 0
DAWN_SUPPRESS_TEST_IF((GetParam().mTextureFormat == wgpu::TextureFormat::RGB9E5Ufloat) &&
(IsOpenGL() || IsOpenGLES()));
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) {
// TODO(crbug.com/dawn/1425): Remove this suppression.
DAWN_SUPPRESS_TEST_IF(IsANGLE() && IsWindows() && IsIntel());
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) {
// TODO(crbug.com/dawn/1426): Remove this suppression.
DAWN_SUPPRESS_TEST_IF(IsANGLE() && IsWindows() && IsIntel());
// TODO(dawn:1872): GL textureLoad incorrectly for 3D texture with mipLevel > 0 and depth > 0
DAWN_SUPPRESS_TEST_IF((GetParam().mTextureFormat == wgpu::TextureFormat::RGB9E5Ufloat) &&
(IsOpenGL() || IsOpenGLES()));
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) {
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::e2D,
wgpu::TextureDimension::e3D);
}
// Test that copying subregion of a 3D texture in one texture-to-texture-copy works.
TEST_P(CopyTests_T2T, Texture3DSubRegion) {
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 / 2, kHeight / 2, kDepth / 2}, false,
wgpu::TextureDimension::e3D);
}
// Test that copying subregion of a 3D texture to a 2D array in one texture-to-texture-copy works.
TEST_P(CopyTests_T2T, Texture3DTo2DArraySubRegion) {
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 / 2, kHeight / 2, kDepth / 2},
wgpu::TextureDimension::e3D, wgpu::TextureDimension::e2D);
}
// Test that copying subregion of a 2D array to a 3D texture to in one texture-to-texture-copy
// works.
TEST_P(CopyTests_T2T, Texture2DArrayTo3DSubRegion) {
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 / 2, kHeight / 2, kDepth / 2},
wgpu::TextureDimension::e2D, wgpu::TextureDimension::e3D);
}
// Test that copying texture 3D array mips in one texture-to-texture-copy works
TEST_P(CopyTests_T2T, Texture3DMipAligned) {
// TODO(dawn:1872): GL textureLoad incorrectly for 3D texture with mipLevel > 0 and depth > 0
DAWN_SUPPRESS_TEST_IF((GetParam().mTextureFormat == wgpu::TextureFormat::RGB9E5Ufloat) &&
(IsOpenGL() || IsOpenGLES()));
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, textureSpec, {kWidth >> i, kHeight >> i, kDepth >> i},
wgpu::TextureDimension::e3D, wgpu::TextureDimension::e3D);
}
}
// Test that copying texture 3D array mips in one texture-to-texture-copy works
TEST_P(CopyTests_T2T, Texture3DMipUnaligned) {
// TODO(dawn:1872): GL textureLoad incorrectly for 3D texture with mipLevel > 0 and depth > 0
DAWN_SUPPRESS_TEST_IF((GetParam().mTextureFormat == wgpu::TextureFormat::RGB9E5Ufloat) &&
(IsOpenGL() || IsOpenGLES()));
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, textureSpec, {kWidth >> i, kHeight >> i, kDepth >> i},
wgpu::TextureDimension::e3D, wgpu::TextureDimension::e3D);
}
}
// TODO(dawn:1705): enable this test for D3D11
DAWN_INSTANTIATE_TEST_P(
CopyTests_T2T,
{D3D12Backend(),
D3D12Backend({"use_temp_buffer_in_small_format_texture_to_texture_copy_from_greater_to_less_"
"mip_level"}),
D3D12Backend(
{"d3d12_use_temp_buffer_in_texture_to_texture_copy_between_different_dimensions"}),
MetalBackend(), OpenGLBackend(), OpenGLESBackend(), VulkanBackend()},
{wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureFormat::RGB9E5Ufloat});
// Test copying between textures that have srgb compatible texture formats;
TEST_P(CopyTests_Formats, SrgbCompatibility) {
// Skip backends because which fails to support *-srgb formats
// and bgra* formats.
DAWN_SUPPRESS_TEST_IF(IsOpenGLES());
DAWN_SUPPRESS_TEST_IF(IsOpenGL() && IsLinux());
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight, 1};
DoTest(textureSpec, textureSpec, {kWidth, kHeight, 1});
}
DAWN_INSTANTIATE_TEST_P(CopyTests_Formats,
{D3D11Backend(), D3D12Backend(), MetalBackend(), OpenGLBackend(),
OpenGLESBackend(), VulkanBackend()},
{wgpu::TextureFormat::RGBA8Unorm, wgpu::TextureFormat::RGBA8UnormSrgb,
wgpu::TextureFormat::BGRA8Unorm, wgpu::TextureFormat::BGRA8UnormSrgb});
static constexpr uint64_t kSmallBufferSize = 4;
static constexpr uint64_t kLargeBufferSize = 1 << 16;
// Test copying full buffers
TEST_P(CopyTests_B2B, FullCopy) {
DoTest(kSmallBufferSize, 0, kSmallBufferSize, 0, kSmallBufferSize);
DoTest(kLargeBufferSize, 0, kLargeBufferSize, 0, kLargeBufferSize);
}
// Test copying small pieces of a buffer at different corner case offsets
TEST_P(CopyTests_B2B, SmallCopyInBigBuffer) {
constexpr uint64_t kEndOffset = kLargeBufferSize - kSmallBufferSize;
DoTest(kLargeBufferSize, 0, kLargeBufferSize, 0, kSmallBufferSize);
DoTest(kLargeBufferSize, kEndOffset, kLargeBufferSize, 0, kSmallBufferSize);
DoTest(kLargeBufferSize, 0, kLargeBufferSize, kEndOffset, kSmallBufferSize);
DoTest(kLargeBufferSize, kEndOffset, kLargeBufferSize, kEndOffset, kSmallBufferSize);
}
// Test zero-size copies
TEST_P(CopyTests_B2B, ZeroSizedCopy) {
DoTest(kLargeBufferSize, 0, kLargeBufferSize, 0, 0);
DoTest(kLargeBufferSize, 0, kLargeBufferSize, kLargeBufferSize, 0);
DoTest(kLargeBufferSize, kLargeBufferSize, kLargeBufferSize, 0, 0);
DoTest(kLargeBufferSize, kLargeBufferSize, kLargeBufferSize, kLargeBufferSize, 0);
}
DAWN_INSTANTIATE_TEST(CopyTests_B2B,
D3D11Backend(),
D3D12Backend(),
MetalBackend(),
OpenGLBackend(),
OpenGLESBackend(),
VulkanBackend());
// Test clearing full buffers
TEST_P(ClearBufferTests, FullClear) {
DoTest(kSmallBufferSize, 0, kSmallBufferSize);
DoTest(kLargeBufferSize, 0, kLargeBufferSize);
}
// Test clearing small pieces of a buffer at different corner case offsets
TEST_P(ClearBufferTests, SmallClearInBigBuffer) {
constexpr uint64_t kEndOffset = kLargeBufferSize - kSmallBufferSize;
DoTest(kLargeBufferSize, 0, kSmallBufferSize);
DoTest(kLargeBufferSize, kSmallBufferSize, kSmallBufferSize);
DoTest(kLargeBufferSize, kEndOffset, kSmallBufferSize);
}
// Test zero-size clears
TEST_P(ClearBufferTests, ZeroSizedClear) {
DoTest(kLargeBufferSize, 0, 0);
DoTest(kLargeBufferSize, kSmallBufferSize, 0);
DoTest(kLargeBufferSize, kLargeBufferSize, 0);
}
DAWN_INSTANTIATE_TEST(ClearBufferTests,
D3D11Backend(),
D3D12Backend(),
MetalBackend(),
OpenGLBackend(),
OpenGLESBackend(),
VulkanBackend());
// Regression tests to reproduce a flaky failure when running whole WebGPU CTS on Intel GPUs.
// See crbug.com/dawn/1487 for more details.
namespace {
using TextureFormat = wgpu::TextureFormat;
enum class InitializationMethod {
CopyBufferToTexture,
WriteTexture,
CopyTextureToTexture,
};
std::ostream& operator<<(std::ostream& o, InitializationMethod method) {
switch (method) {
case InitializationMethod::CopyBufferToTexture:
o << "CopyBufferToTexture";
break;
case InitializationMethod::WriteTexture:
o << "WriteTexture";
break;
case InitializationMethod::CopyTextureToTexture:
o << "CopyTextureToTexture";
break;
default:
DAWN_UNREACHABLE();
break;
}
return o;
}
using AddRenderAttachmentUsage = bool;
DAWN_TEST_PARAM_STRUCT(CopyToDepthStencilTextureAfterDestroyingBigBufferTestsParams,
TextureFormat,
InitializationMethod,
AddRenderAttachmentUsage);
} // anonymous namespace
class CopyToDepthStencilTextureAfterDestroyingBigBufferTests
: public DawnTestWithParams<CopyToDepthStencilTextureAfterDestroyingBigBufferTestsParams> {};
TEST_P(CopyToDepthStencilTextureAfterDestroyingBigBufferTests, DoTest) {
// TODO(crbug.com/dawn/1492): Support CopyBufferToTexture() with Depth16Unorm on OpenGL /
// OpenGL ES backends.
DAWN_SUPPRESS_TEST_IF(GetParam().mTextureFormat == wgpu::TextureFormat::Depth16Unorm &&
(IsOpenGL() || IsOpenGLES()));
// Copies to stencil textures are unsupported on the OpenGL backend.
DAWN_TEST_UNSUPPORTED_IF(GetParam().mTextureFormat == wgpu::TextureFormat::Stencil8 &&
(IsOpenGL() || IsOpenGLES()));
wgpu::TextureFormat format = GetParam().mTextureFormat;
const uint32_t texelBlockSize = utils::GetTexelBlockSizeInBytes(format);
const uint32_t expectedDataSize = Align(texelBlockSize, 4u);
// First, create a big buffer and fill some garbage data on DEFAULT heap.
constexpr size_t kBigBufferSize = 159740u;
constexpr uint8_t kGarbageData = 255u;
std::array<uint8_t, kBigBufferSize> garbageData;
garbageData.fill(kGarbageData);
wgpu::Buffer bigBuffer =
utils::CreateBufferFromData(device, garbageData.data(), garbageData.size(),
wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst);
// Next, destroy the buffer. Its heap is still alive and contains the garbage data.
bigBuffer.Destroy();
// Ensure the underlying ID3D12Resource of bigBuffer is deleted.
bool submittedWorkDone = false;
queue.OnSubmittedWorkDone(
[](WGPUQueueWorkDoneStatus status, void* userdata) {
EXPECT_EQ(status, WGPUQueueWorkDoneStatus_Success);
*static_cast<bool*>(userdata) = true;
},
&submittedWorkDone);
while (!submittedWorkDone) {
WaitABit();
}
// Then, create a small texture, which should be allocated on the heap that contains the
// garbage data.
wgpu::TextureDescriptor textureDescriptor = {};
textureDescriptor.format = format;
textureDescriptor.size = {1, 1, 1};
textureDescriptor.usage = wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::CopyDst;
if (GetParam().mAddRenderAttachmentUsage) {
textureDescriptor.usage |= wgpu::TextureUsage::RenderAttachment;
}
wgpu::Texture texture = device.CreateTexture(&textureDescriptor);
// Finally, upload valid data into the texture and validate its contents.
std::vector<uint8_t> expectedData(expectedDataSize);
constexpr uint8_t kBaseValue = 204u;
for (uint32_t i = 0; i < texelBlockSize; ++i) {
expectedData[i] = static_cast<uint8_t>(i + kBaseValue);
}
wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
wgpu::Extent3D copySize = {1, 1, 1};
auto EncodeUploadDataToTexture = [this, copySize](wgpu::CommandEncoder encoder,
wgpu::Texture destinationTexture,
const std::vector<uint8_t>& expectedData) {
wgpu::BufferDescriptor bufferDescriptor = {};
bufferDescriptor.size = expectedData.size();
bufferDescriptor.usage = wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::MapWrite;
wgpu::Buffer uploadBuffer = device.CreateBuffer(&bufferDescriptor);
bool done = false;
uploadBuffer.MapAsync(
wgpu::MapMode::Write, 0, static_cast<uint32_t>(expectedData.size()),
[](WGPUBufferMapAsyncStatus status, void* userdata) {
ASSERT_EQ(WGPUBufferMapAsyncStatus_Success, status);
*static_cast<bool*>(userdata) = true;
},
&done);
while (!done) {
WaitABit();
}
uint8_t* uploadData = static_cast<uint8_t*>(uploadBuffer.GetMappedRange());
memcpy(uploadData, expectedData.data(), expectedData.size());
uploadBuffer.Unmap();
wgpu::ImageCopyBuffer imageCopyBuffer = utils::CreateImageCopyBuffer(uploadBuffer);
wgpu::ImageCopyTexture imageCopyTexture = utils::CreateImageCopyTexture(destinationTexture);
encoder.CopyBufferToTexture(&imageCopyBuffer, &imageCopyTexture, &copySize);
};
switch (GetParam().mInitializationMethod) {
case InitializationMethod::CopyBufferToTexture: {
EncodeUploadDataToTexture(encoder, texture, expectedData);
break;
}
case InitializationMethod::WriteTexture: {
wgpu::ImageCopyTexture imageCopyTexture = utils::CreateImageCopyTexture(texture);
wgpu::TextureDataLayout layout;
queue.WriteTexture(&imageCopyTexture, expectedData.data(), texelBlockSize, &layout,
&copySize);
break;
}
case InitializationMethod::CopyTextureToTexture: {
wgpu::Texture stagingTexture = device.CreateTexture(&textureDescriptor);
EncodeUploadDataToTexture(encoder, stagingTexture, expectedData);
wgpu::ImageCopyTexture imageCopyStagingTexture =
utils::CreateImageCopyTexture(stagingTexture);
wgpu::ImageCopyTexture imageCopyTexture = utils::CreateImageCopyTexture(texture);
encoder.CopyTextureToTexture(&imageCopyStagingTexture, &imageCopyTexture, &copySize);
break;
}
default:
DAWN_UNREACHABLE();
break;
}
wgpu::BufferDescriptor destinationBufferDescriptor = {};
destinationBufferDescriptor.size = expectedDataSize;
destinationBufferDescriptor.usage = wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst;
wgpu::Buffer destinationBuffer = device.CreateBuffer(&destinationBufferDescriptor);
wgpu::ImageCopyTexture imageCopyTexture = utils::CreateImageCopyTexture(texture);
wgpu::ImageCopyBuffer imageCopyDestinationBuffer =
utils::CreateImageCopyBuffer(destinationBuffer);
encoder.CopyTextureToBuffer(&imageCopyTexture, &imageCopyDestinationBuffer, &copySize);
wgpu::CommandBuffer commandBuffer = encoder.Finish();
queue.Submit(1, &commandBuffer);
EXPECT_BUFFER_U8_RANGE_EQ(expectedData.data(), destinationBuffer, 0, expectedDataSize);
}
DAWN_INSTANTIATE_TEST_P(
CopyToDepthStencilTextureAfterDestroyingBigBufferTests,
{D3D11Backend(), D3D12Backend(),
D3D12Backend({"d3d12_force_clear_copyable_depth_stencil_texture_on_creation"}), MetalBackend(),
OpenGLBackend(), OpenGLESBackend(), VulkanBackend()},
{wgpu::TextureFormat::Depth16Unorm, wgpu::TextureFormat::Stencil8},
{InitializationMethod::CopyBufferToTexture, InitializationMethod::WriteTexture,
InitializationMethod::CopyTextureToTexture},
{true, false});
// A series of regression tests for an Intel D3D12 driver issue about creating textures with
// CreatePlacedResource(). See crbug.com/1237175 for more details.
class T2TCopyFromDirtyHeapTests : public DawnTest {
public:
void DoTest(uint32_t layerCount, uint32_t levelCount) {
std::vector<uint32_t> expectedData;
wgpu::Buffer uploadBuffer = GetUploadBufferAndExpectedData(&expectedData);
// First, create colorTexture1 and colorTexture2 and fill data into them.
wgpu::Texture colorTexture1 = Create2DTexture(kTextureSize, layerCount, levelCount);
Initialize2DTexture(colorTexture1, layerCount, levelCount, uploadBuffer);
wgpu::Texture colorTexture2 = Create2DTexture(kTextureSize, layerCount, levelCount);
Initialize2DTexture(colorTexture2, layerCount, levelCount, uploadBuffer);
// Next, destroy colorTexture1.
colorTexture1.Destroy();
// Ensure colorTexture1 has been destroyed on the backend.
EnsureSubmittedWorkDone();
// Call an empty queue.Submit to workaround crbug.com/dawn/833 where resources are not
// recycled until the next serial.
queue.Submit(0, nullptr);
EnsureSubmittedWorkDone();
// Then, try to create destinationTextures which should be allocated on the memory used by
// colorTexture1 previously, copy data from colorTexture2 into each destinationTexture and
// verify the data in destinationTexture.
std::vector<wgpu::Texture> destinationTextures;
for (uint32_t layer = 0; layer < layerCount; ++layer) {
for (uint32_t level = 0; level < levelCount; ++level) {
uint32_t textureSizeAtLevel = kTextureSize >> level;
wgpu::Texture destinationTexture = Create2DTexture(textureSizeAtLevel, 1, 1);
// Save all destinationTextures so that they won't be deleted during the test.
destinationTextures.push_back(destinationTexture);
CopyIntoStagingTextureAndVerifyTexelData(colorTexture2, level, layer,
destinationTexture, expectedData);
}
}
}
wgpu::Buffer GetUploadBufferAndExpectedData(std::vector<uint32_t>* expectedData) {
const size_t kBufferSize =
kBytesPerRow * (kTextureSize - 1) + kTextureSize * kBytesPerBlock;
expectedData->resize(kBufferSize / sizeof(uint32_t));
for (uint32_t y = 0; y < kTextureSize; ++y) {
for (uint32_t x = 0; x < kTextureSize * (kBytesPerBlock / sizeof(uint32_t)); ++x) {
uint32_t index = (kBytesPerRow / sizeof(uint32_t)) * y + x;
(*expectedData)[index] = x + y * 1000;
}
}
wgpu::BufferDescriptor uploadBufferDesc = {};
uploadBufferDesc.size = kBufferSize;
uploadBufferDesc.usage = wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::MapWrite;
uploadBufferDesc.mappedAtCreation = true;
wgpu::Buffer uploadBuffer = device.CreateBuffer(&uploadBufferDesc);
memcpy(uploadBuffer.GetMappedRange(), expectedData->data(), kBufferSize);
uploadBuffer.Unmap();
return uploadBuffer;
}
wgpu::Texture Create2DTexture(uint32_t textureSize, uint32_t layerCount, uint32_t levelCount) {
wgpu::TextureDescriptor colorTextureDesc = {};
colorTextureDesc.format = kFormat;
colorTextureDesc.usage = wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::CopyDst |
wgpu::TextureUsage::RenderAttachment;
colorTextureDesc.mipLevelCount = levelCount;
colorTextureDesc.size = {textureSize, textureSize, layerCount};
return device.CreateTexture(&colorTextureDesc);
}
void Initialize2DTexture(wgpu::Texture texture,
uint32_t layerCount,
uint32_t levelCount,
wgpu::Buffer uploadBuffer) {
wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
for (uint32_t layer = 0; layer < layerCount; ++layer) {
for (uint32_t level = 0; level < levelCount; ++level) {
wgpu::ImageCopyBuffer uploadCopyBuffer =
utils::CreateImageCopyBuffer(uploadBuffer, 0, kBytesPerRow, kTextureSize);
wgpu::ImageCopyTexture colorCopyTexture =
utils::CreateImageCopyTexture(texture, level, {0, 0, layer});
wgpu::Extent3D copySize = {kTextureSize >> level, kTextureSize >> level, 1};
encoder.CopyBufferToTexture(&uploadCopyBuffer, &colorCopyTexture, &copySize);
}
}
wgpu::CommandBuffer commandBuffer = encoder.Finish();
queue.Submit(1, &commandBuffer);
}
void CopyIntoStagingTextureAndVerifyTexelData(wgpu::Texture sourceTexture,
uint32_t copyLevel,
uint32_t copyLayer,
wgpu::Texture stagingTexture,
const std::vector<uint32_t>& expectedData) {
wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
// Copy from miplevel = copyLevel and arrayLayer = copyLayer of sourceTexture into
// stagingTexture
wgpu::ImageCopyTexture colorCopyTexture =
utils::CreateImageCopyTexture(sourceTexture, copyLevel, {0, 0, copyLayer});
uint32_t stagingTextureSize = kTextureSize >> copyLevel;
wgpu::Extent3D copySize = {stagingTextureSize, stagingTextureSize, 1};
wgpu::ImageCopyTexture stagingCopyTexture = utils::CreateImageCopyTexture(stagingTexture);
encoder.CopyTextureToTexture(&colorCopyTexture, &stagingCopyTexture, &copySize);
// Copy from stagingTexture into readback buffer. Note that we don't use EXPECT_BUFFER_xxx()
// because the buffers with CopySrc | CopyDst may also be allocated on the same memory of
// colorTexture1, then stagingTexture will not be able to be allocated at that piece of
// memory, which is not what we intended to do.
const size_t kBufferSize =
kBytesPerRow * (stagingTextureSize - 1) + stagingTextureSize * kBytesPerBlock;
wgpu::BufferDescriptor readbackBufferDesc = {};
readbackBufferDesc.size = kBufferSize;
readbackBufferDesc.usage = wgpu::BufferUsage::MapRead | wgpu::BufferUsage::CopyDst;
wgpu::Buffer readbackBuffer = device.CreateBuffer(&readbackBufferDesc);
wgpu::ImageCopyBuffer readbackCopyBuffer =
utils::CreateImageCopyBuffer(readbackBuffer, 0, kBytesPerRow, kTextureSize);
encoder.CopyTextureToBuffer(&stagingCopyTexture, &readbackCopyBuffer, &copySize);
wgpu::CommandBuffer commandBuffer = encoder.Finish();
queue.Submit(1, &commandBuffer);
// Check the data in readback buffer
bool done = false;
readbackBuffer.MapAsync(
wgpu::MapMode::Read, 0, kBufferSize,
[](WGPUBufferMapAsyncStatus status, void* userdata) {
ASSERT_EQ(WGPUBufferMapAsyncStatus_Success, status);
*static_cast<bool*>(userdata) = true;
},
&done);
while (!done) {
WaitABit();
}
const uint32_t* readbackData =
static_cast<const uint32_t*>(readbackBuffer.GetConstMappedRange());
for (uint32_t y = 0; y < stagingTextureSize; ++y) {
for (uint32_t x = 0; x < stagingTextureSize * (kBytesPerBlock / sizeof(uint32_t));
++x) {
uint32_t index = y * (kBytesPerRow / sizeof(uint32_t)) + x;
ASSERT_EQ(expectedData[index], readbackData[index]);
}
}
readbackBuffer.Destroy();
}
void EnsureSubmittedWorkDone() {
bool submittedWorkDone = false;
queue.OnSubmittedWorkDone(
[](WGPUQueueWorkDoneStatus status, void* userdata) {
EXPECT_EQ(status, WGPUQueueWorkDoneStatus_Success);
*static_cast<bool*>(userdata) = true;
},
&submittedWorkDone);
while (!submittedWorkDone) {
WaitABit();
}
}
private:
const uint32_t kTextureSize = 63;
const wgpu::TextureFormat kFormat = wgpu::TextureFormat::RGBA32Uint;
const uint32_t kBytesPerBlock = 16;
const uint32_t kBytesPerRow =
Align(kBytesPerBlock * kTextureSize, kTextureBytesPerRowAlignment);
};
TEST_P(T2TCopyFromDirtyHeapTests, From2DArrayTexture) {
constexpr uint32_t kLayerCount = 7;
constexpr uint32_t kLevelCount = 1;
DoTest(kLayerCount, kLevelCount);
}
TEST_P(T2TCopyFromDirtyHeapTests, From2DMultiMipmapLevelTexture) {
constexpr uint32_t kLayerCount = 1;
constexpr uint32_t kLevelCount = 5;
DoTest(kLayerCount, kLevelCount);
}
DAWN_INSTANTIATE_TEST(T2TCopyFromDirtyHeapTests,
D3D12Backend(),
MetalBackend(),
OpenGLBackend(),
OpenGLESBackend(),
VulkanBackend());
} // anonymous namespace
} // namespace dawn