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// Copyright 2017 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "tests/DawnTest.h"
#include <array>
#include "common/Constants.h"
#include "common/Math.h"
#include "utils/WGPUHelpers.h"
class CopyTests : public DawnTest {
protected:
static constexpr unsigned int kBytesPerTexel = 4;
struct TextureSpec {
uint32_t width;
uint32_t height;
uint32_t x;
uint32_t y;
uint32_t copyWidth;
uint32_t copyHeight;
uint32_t level;
uint32_t arraySize = 1u;
};
struct BufferSpec {
uint64_t size;
uint64_t offset;
uint32_t rowPitch;
};
static void FillTextureData(uint32_t width,
uint32_t height,
uint32_t texelsPerRow,
uint32_t layer,
RGBA8* data) {
for (uint32_t y = 0; y < height; ++y) {
for (uint32_t x = 0; x < width; ++x) {
uint32_t i = x + y * texelsPerRow;
data[i] = RGBA8(static_cast<uint8_t>((x + layer * x) % 256),
static_cast<uint8_t>((y + layer * y) % 256),
static_cast<uint8_t>(x / 256), static_cast<uint8_t>(y / 256));
}
}
}
BufferSpec MinimumBufferSpec(uint32_t width, uint32_t height) {
uint32_t rowPitch = Align(width * kBytesPerTexel, kTextureRowPitchAlignment);
return { rowPitch * (height - 1) + width * kBytesPerTexel, 0, rowPitch };
}
static void PackTextureData(const RGBA8* srcData, uint32_t width, uint32_t height, uint32_t srcTexelsPerRow, RGBA8* dstData, uint32_t dstTexelsPerRow) {
for (unsigned int y = 0; y < height; ++y) {
for (unsigned int x = 0; x < width; ++x) {
unsigned int src = x + y * srcTexelsPerRow;
unsigned int dst = x + y * dstTexelsPerRow;
dstData[dst] = srcData[src];
}
}
}
};
class CopyTests_T2B : public CopyTests {
protected:
void DoTest(const TextureSpec& textureSpec, const BufferSpec& bufferSpec) {
// Create a texture that is `width` x `height` with (`level` + 1) mip levels.
wgpu::TextureDescriptor descriptor;
descriptor.dimension = wgpu::TextureDimension::e2D;
descriptor.size.width = textureSpec.width;
descriptor.size.height = textureSpec.height;
descriptor.size.depth = 1;
descriptor.arrayLayerCount = textureSpec.arraySize;
descriptor.sampleCount = 1;
descriptor.format = wgpu::TextureFormat::RGBA8Unorm;
descriptor.mipLevelCount = textureSpec.level + 1;
descriptor.usage = wgpu::TextureUsage::CopyDst | wgpu::TextureUsage::CopySrc;
wgpu::Texture texture = device.CreateTexture(&descriptor);
uint32_t width = textureSpec.width >> textureSpec.level;
uint32_t height = textureSpec.height >> textureSpec.level;
uint32_t rowPitch = Align(kBytesPerTexel * width, kTextureRowPitchAlignment);
uint32_t texelsPerRow = rowPitch / kBytesPerTexel;
uint32_t texelCountPerLayer = texelsPerRow * (height - 1) + width;
wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
std::vector<std::vector<RGBA8>> textureArrayData(textureSpec.arraySize);
for (uint32_t slice = 0; slice < textureSpec.arraySize; ++slice) {
textureArrayData[slice].resize(texelCountPerLayer);
FillTextureData(width, height, rowPitch / kBytesPerTexel, slice,
textureArrayData[slice].data());
// Create an upload buffer and use it to populate the current slice of the texture in `level` mip level
wgpu::Buffer uploadBuffer = utils::CreateBufferFromData(
device, textureArrayData[slice].data(),
static_cast<uint32_t>(sizeof(RGBA8) * textureArrayData[slice].size()),
wgpu::BufferUsage::CopySrc);
wgpu::BufferCopyView bufferCopyView =
utils::CreateBufferCopyView(uploadBuffer, 0, rowPitch, 0);
wgpu::TextureCopyView textureCopyView =
utils::CreateTextureCopyView(texture, textureSpec.level, slice, {0, 0, 0});
wgpu::Extent3D copySize = {width, height, 1};
encoder.CopyBufferToTexture(&bufferCopyView, &textureCopyView, &copySize);
}
// Create a buffer of size `size * textureSpec.arrayLayer` 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 row pitch is not modified by the copy
wgpu::BufferDescriptor bufDescriptor;
bufDescriptor.size = bufferSpec.size * textureSpec.arraySize;
bufDescriptor.usage = wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst;
wgpu::Buffer buffer = device.CreateBuffer(&bufDescriptor);
std::vector<RGBA8> emptyData(bufferSpec.size / kBytesPerTexel * textureSpec.arraySize);
buffer.SetSubData(0, static_cast<uint32_t>(emptyData.size() * sizeof(RGBA8)),
emptyData.data());
uint64_t bufferOffset = bufferSpec.offset;
for (uint32_t slice = 0; slice < textureSpec.arraySize; ++slice) {
// Copy the region [(`x`, `y`), (`x + copyWidth, `y + copyWidth`)] from the `level` mip into the buffer at `offset + bufferSpec.size * slice` and `rowPitch`
wgpu::TextureCopyView textureCopyView = utils::CreateTextureCopyView(
texture, textureSpec.level, slice, {textureSpec.x, textureSpec.y, 0});
wgpu::BufferCopyView bufferCopyView =
utils::CreateBufferCopyView(buffer, bufferOffset, bufferSpec.rowPitch, 0);
wgpu::Extent3D copySize = {textureSpec.copyWidth, textureSpec.copyHeight, 1};
encoder.CopyTextureToBuffer(&textureCopyView, &bufferCopyView, &copySize);
bufferOffset += bufferSpec.size;
}
wgpu::CommandBuffer commands = encoder.Finish();
queue.Submit(1, &commands);
bufferOffset = bufferSpec.offset;
std::vector<RGBA8> expected(bufferSpec.rowPitch / kBytesPerTexel * (textureSpec.copyHeight - 1) + textureSpec.copyWidth);
for (uint32_t slice = 0; slice < textureSpec.arraySize; ++slice) {
// Pack the data used to create the upload buffer in the specified copy region to have the same format as the expected buffer data.
std::fill(expected.begin(), expected.end(), RGBA8());
PackTextureData(
&textureArrayData[slice][textureSpec.x + textureSpec.y * (rowPitch / kBytesPerTexel)],
textureSpec.copyWidth,
textureSpec.copyHeight,
rowPitch / kBytesPerTexel,
expected.data(),
bufferSpec.rowPitch / kBytesPerTexel);
EXPECT_BUFFER_U32_RANGE_EQ(reinterpret_cast<const uint32_t*>(expected.data()), buffer, bufferOffset, static_cast<uint32_t>(expected.size())) <<
"Texture to Buffer copy failed copying region [(" << textureSpec.x << ", " << textureSpec.y << "), (" << textureSpec.x + textureSpec.copyWidth << ", " << textureSpec.y + textureSpec.copyHeight <<
")) from " << textureSpec.width << " x " << textureSpec.height << " texture at mip level " << textureSpec.level << " layer " << slice <<
" to " << bufDescriptor.size << "-byte buffer with offset " << bufferOffset << " and row pitch " << bufferSpec.rowPitch << std::endl;
bufferOffset += bufferSpec.size;
}
}
};
class CopyTests_B2T : public CopyTests {
protected:
static void FillBufferData(RGBA8* data, size_t count) {
for (size_t i = 0; i < count; ++i) {
data[i] = RGBA8(
static_cast<uint8_t>(i % 256),
static_cast<uint8_t>((i / 256) % 256),
static_cast<uint8_t>((i / 256 / 256) % 256),
255);
}
}
void DoTest(const TextureSpec& textureSpec, const BufferSpec& bufferSpec) {
// Create a buffer of size `size` and populate it with data
wgpu::BufferDescriptor bufDescriptor;
bufDescriptor.size = bufferSpec.size;
bufDescriptor.usage = wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst;
wgpu::Buffer buffer = device.CreateBuffer(&bufDescriptor);
std::vector<RGBA8> bufferData(bufferSpec.size / kBytesPerTexel);
FillBufferData(bufferData.data(), bufferData.size());
buffer.SetSubData(0, static_cast<uint32_t>(bufferData.size() * sizeof(RGBA8)),
bufferData.data());
// Create a texture that is `width` x `height` with (`level` + 1) mip levels.
wgpu::TextureDescriptor descriptor;
descriptor.dimension = wgpu::TextureDimension::e2D;
descriptor.size.width = textureSpec.width;
descriptor.size.height = textureSpec.height;
descriptor.size.depth = 1;
descriptor.arrayLayerCount = 1;
descriptor.sampleCount = 1;
descriptor.format = wgpu::TextureFormat::RGBA8Unorm;
descriptor.mipLevelCount = textureSpec.level + 1;
descriptor.usage = wgpu::TextureUsage::CopyDst | wgpu::TextureUsage::CopySrc;
wgpu::Texture texture = device.CreateTexture(&descriptor);
wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
// Create an upload buffer filled with empty data and use it to populate the `level` mip of the texture
// Note: Prepopulating the texture with empty data ensures that there is not random data in the expectation
// and helps ensure that the padding due to the row pitch is not modified by the copy
{
uint32_t width = textureSpec.width >> textureSpec.level;
uint32_t height = textureSpec.height >> textureSpec.level;
uint32_t rowPitch = Align(kBytesPerTexel * width, kTextureRowPitchAlignment);
uint32_t texelsPerRow = rowPitch / kBytesPerTexel;
uint32_t texelCount = texelsPerRow * (height - 1) + width;
std::vector<RGBA8> emptyData(texelCount);
wgpu::Buffer uploadBuffer = utils::CreateBufferFromData(
device, emptyData.data(), static_cast<uint32_t>(sizeof(RGBA8) * emptyData.size()),
wgpu::BufferUsage::CopySrc);
wgpu::BufferCopyView bufferCopyView =
utils::CreateBufferCopyView(uploadBuffer, 0, rowPitch, 0);
wgpu::TextureCopyView textureCopyView =
utils::CreateTextureCopyView(texture, textureSpec.level, 0, {0, 0, 0});
wgpu::Extent3D copySize = {width, height, 1};
encoder.CopyBufferToTexture(&bufferCopyView, &textureCopyView, &copySize);
}
// Copy to the region [(`x`, `y`), (`x + copyWidth, `y + copyWidth`)] at the `level` mip from the buffer at the specified `offset` and `rowPitch`
{
wgpu::BufferCopyView bufferCopyView =
utils::CreateBufferCopyView(buffer, bufferSpec.offset, bufferSpec.rowPitch, 0);
wgpu::TextureCopyView textureCopyView = utils::CreateTextureCopyView(
texture, textureSpec.level, 0, {textureSpec.x, textureSpec.y, 0});
wgpu::Extent3D copySize = {textureSpec.copyWidth, textureSpec.copyHeight, 1};
encoder.CopyBufferToTexture(&bufferCopyView, &textureCopyView, &copySize);
}
wgpu::CommandBuffer commands = encoder.Finish();
queue.Submit(1, &commands);
// Pack the data used to create the buffer in the specified copy region to have the same format as the expected texture data.
uint32_t rowPitch = Align(kBytesPerTexel * textureSpec.copyWidth, kTextureRowPitchAlignment);
std::vector<RGBA8> expected(rowPitch / kBytesPerTexel * (textureSpec.copyHeight - 1) + textureSpec.copyWidth);
PackTextureData(&bufferData[bufferSpec.offset / kBytesPerTexel], textureSpec.copyWidth, textureSpec.copyHeight, bufferSpec.rowPitch / kBytesPerTexel, expected.data(), textureSpec.copyWidth);
EXPECT_TEXTURE_RGBA8_EQ(expected.data(), texture, textureSpec.x, textureSpec.y, textureSpec.copyWidth, textureSpec.copyHeight, textureSpec.level, 0) <<
"Buffer to Texture copy failed copying "
<< bufferSpec.size << "-byte buffer with offset " << bufferSpec.offset << " and row pitch " << bufferSpec.rowPitch << " to [("
<< textureSpec.x << ", " << textureSpec.y << "), (" << textureSpec.x + textureSpec.copyWidth << ", " << textureSpec.y + textureSpec.copyHeight <<
")) region of " << textureSpec.width << " x " << textureSpec.height << " texture at mip level " << textureSpec.level << std::endl;
}
};
class CopyTests_T2T : public CopyTests {
struct TextureSpec {
uint32_t width;
uint32_t height;
uint32_t x;
uint32_t y;
uint32_t level;
uint32_t arraySize = 1u;
};
struct CopySize {
uint32_t width;
uint32_t height;
};
protected:
void DoTest(const TextureSpec& srcSpec, const TextureSpec& dstSpec, const CopySize& copy) {
wgpu::TextureDescriptor srcDescriptor;
srcDescriptor.dimension = wgpu::TextureDimension::e2D;
srcDescriptor.size.width = srcSpec.width;
srcDescriptor.size.height = srcSpec.height;
srcDescriptor.size.depth = 1;
srcDescriptor.arrayLayerCount = srcSpec.arraySize;
srcDescriptor.sampleCount = 1;
srcDescriptor.format = wgpu::TextureFormat::RGBA8Unorm;
srcDescriptor.mipLevelCount = srcSpec.level + 1;
srcDescriptor.usage = wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::CopyDst;
wgpu::Texture srcTexture = device.CreateTexture(&srcDescriptor);
wgpu::TextureDescriptor dstDescriptor;
dstDescriptor.dimension = wgpu::TextureDimension::e2D;
dstDescriptor.size.width = dstSpec.width;
dstDescriptor.size.height = dstSpec.height;
dstDescriptor.size.depth = 1;
dstDescriptor.arrayLayerCount = dstSpec.arraySize;
dstDescriptor.sampleCount = 1;
dstDescriptor.format = wgpu::TextureFormat::RGBA8Unorm;
dstDescriptor.mipLevelCount = dstSpec.level + 1;
dstDescriptor.usage = wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::CopyDst;
wgpu::Texture dstTexture = device.CreateTexture(&dstDescriptor);
wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
// Create an upload buffer and use it to populate the current slice of the texture in
// `level` mip level
uint32_t width = srcSpec.width >> srcSpec.level;
uint32_t height = srcSpec.height >> srcSpec.level;
uint32_t rowPitch = Align(kBytesPerTexel * width, kTextureRowPitchAlignment);
uint32_t texelsPerRow = rowPitch / kBytesPerTexel;
uint32_t texelCountPerLayer = texelsPerRow * (height - 1) + width;
std::vector<std::vector<RGBA8>> textureArrayData(srcSpec.arraySize);
for (uint32_t slice = 0; slice < srcSpec.arraySize; ++slice) {
textureArrayData[slice].resize(texelCountPerLayer);
FillTextureData(width, height, rowPitch / kBytesPerTexel, slice,
textureArrayData[slice].data());
wgpu::Buffer uploadBuffer = utils::CreateBufferFromData(
device, textureArrayData[slice].data(),
static_cast<uint32_t>(sizeof(RGBA8) * textureArrayData[slice].size()),
wgpu::BufferUsage::CopySrc);
wgpu::BufferCopyView bufferCopyView =
utils::CreateBufferCopyView(uploadBuffer, 0, rowPitch, 0);
wgpu::TextureCopyView textureCopyView =
utils::CreateTextureCopyView(srcTexture, srcSpec.level, slice, {0, 0, 0});
wgpu::Extent3D bufferCopySize = {width, height, 1};
encoder.CopyBufferToTexture(&bufferCopyView, &textureCopyView, &bufferCopySize);
}
// Create an upload buffer filled with empty data and use it to populate the `level` mip of
// the texture. Note: Prepopulating the texture with empty data ensures that there is not
// random data in the expectation and helps ensure that the padding due to the row pitch is
// not modified by the copy
{
uint32_t dstWidth = dstSpec.width >> dstSpec.level;
uint32_t dstHeight = dstSpec.height >> dstSpec.level;
uint32_t dstRowPitch = Align(kBytesPerTexel * dstWidth, kTextureRowPitchAlignment);
uint32_t dstTexelsPerRow = dstRowPitch / kBytesPerTexel;
uint32_t dstTexelCount = dstTexelsPerRow * (dstHeight - 1) + dstWidth;
std::vector<RGBA8> emptyData(dstTexelCount);
wgpu::Buffer uploadBuffer = utils::CreateBufferFromData(
device, emptyData.data(), static_cast<uint32_t>(sizeof(RGBA8) * emptyData.size()),
wgpu::BufferUsage::CopySrc);
wgpu::BufferCopyView bufferCopyView =
utils::CreateBufferCopyView(uploadBuffer, 0, dstRowPitch, 0);
wgpu::TextureCopyView textureCopyView =
utils::CreateTextureCopyView(dstTexture, dstSpec.level, 0, {0, 0, 0});
wgpu::Extent3D dstCopySize = {dstWidth, dstHeight, 1};
encoder.CopyBufferToTexture(&bufferCopyView, &textureCopyView, &dstCopySize);
}
// Perform the texture to texture copy
for (uint32_t slice = 0; slice < srcSpec.arraySize; ++slice) {
wgpu::TextureCopyView srcTextureCopyView = utils::CreateTextureCopyView(
srcTexture, srcSpec.level, slice, {srcSpec.x, srcSpec.y, 0});
wgpu::TextureCopyView dstTextureCopyView = utils::CreateTextureCopyView(
dstTexture, dstSpec.level, slice, {dstSpec.x, dstSpec.y, 0});
wgpu::Extent3D copySize = {copy.width, copy.height, 1};
encoder.CopyTextureToTexture(&srcTextureCopyView, &dstTextureCopyView, &copySize);
}
wgpu::CommandBuffer commands = encoder.Finish();
queue.Submit(1, &commands);
std::vector<RGBA8> expected(rowPitch / kBytesPerTexel * (copy.height - 1) + copy.width);
for (uint32_t slice = 0; slice < srcSpec.arraySize; ++slice) {
std::fill(expected.begin(), expected.end(), RGBA8());
PackTextureData(
&textureArrayData[slice][srcSpec.x + srcSpec.y * (rowPitch / kBytesPerTexel)],
copy.width, copy.height, texelsPerRow, expected.data(), copy.width);
EXPECT_TEXTURE_RGBA8_EQ(expected.data(), dstTexture, dstSpec.x, dstSpec.y, copy.width,
copy.height, dstSpec.level, slice)
<< "Texture to Texture copy failed copying region [(" << srcSpec.x << ", "
<< srcSpec.y << "), (" << srcSpec.x + copy.width << ", " << srcSpec.y + copy.height
<< ")) from " << srcSpec.width << " x " << srcSpec.height
<< " texture at mip level " << srcSpec.level << " layer " << slice << " to [("
<< dstSpec.x << ", " << dstSpec.y << "), (" << dstSpec.x + copy.width << ", "
<< dstSpec.y + copy.height << ")) region of " << dstSpec.width << " x "
<< dstSpec.height << " texture at mip level " << dstSpec.level << std::endl;
}
}
};
// 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;
DoTest({ kWidth, kHeight, 0, 0, kWidth, kHeight, 0 }, MinimumBufferSpec(kWidth, kHeight));
}
// 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;
DoTest({ kWidth, kHeight, 0, 0, kWidth, kHeight, 0 }, MinimumBufferSpec(kWidth, kHeight));
}
// 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);
DoTest({ kWidth, kHeight, 0, 0, 1, 1, 0 }, pixelBuffer);
DoTest({ kWidth, kHeight, kWidth - 1, 0, 1, 1, 0 }, pixelBuffer);
DoTest({ kWidth, kHeight, 0, kHeight - 1, 1, 1, 0 }, pixelBuffer);
DoTest({ kWidth, kHeight, kWidth - 1, kHeight - 1, 1, 1, 0 }, pixelBuffer);
DoTest({ kWidth, kHeight, kWidth / 3, kHeight / 7, 1, 1, 0 }, pixelBuffer);
DoTest({ kWidth, kHeight, kWidth / 7, kHeight / 3, 1, 1, 0 }, pixelBuffer);
}
// 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);
DoTest({ kWidth, kHeight, 0, 0, 1, 1, 0 }, pixelBuffer);
DoTest({ kWidth, kHeight, kWidth - 1, 0, 1, 1, 0 }, pixelBuffer);
DoTest({ kWidth, kHeight, 0, kHeight - 1, 1, 1, 0 }, pixelBuffer);
DoTest({ kWidth, kHeight, kWidth - 1, kHeight - 1, 1, 1, 0 }, pixelBuffer);
DoTest({ kWidth, kHeight, kWidth / 3, kHeight / 7, 1, 1, 0 }, pixelBuffer);
DoTest({ kWidth, kHeight, kWidth / 7, kHeight / 3, 1, 1, 0 }, pixelBuffer);
}
// 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 }) {
DoTest({ kWidth, kHeight, 0, 0, w, h, 0 }, MinimumBufferSpec(w, h));
}
}
}
// 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;
for (unsigned int w : {13, 63, 65}) {
for (unsigned int h : { 17, 19, 63 }) {
DoTest({ kWidth, kHeight, 0, 0, w, h, 0 }, MinimumBufferSpec(w, h));
}
}
}
// 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;
for (unsigned int i = 1; i < 4; ++i) {
DoTest({ kWidth, kHeight, 0, 0, kWidth >> i, kHeight >> i, i }, MinimumBufferSpec(kWidth >> i, kHeight >> i));
}
}
// Test that copying mips without 256-byte aligned sizes works
TEST_P(CopyTests_T2B, TextureMipUnaligned) {
constexpr uint32_t kWidth = 259;
constexpr uint32_t kHeight = 127;
for (unsigned int i = 1; i < 4; ++i) {
DoTest({ kWidth, kHeight, 0, 0, kWidth >> i, kHeight >> i, i }, MinimumBufferSpec(kWidth >> i, kHeight >> i));
}
}
// 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;
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({ kWidth, kHeight, 0, 0, kWidth, kHeight, 0 }, bufferSpec);
}
}
// 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;
for (uint32_t i = kBytesPerTexel; i < 512; i += kBytesPerTexel * 9) {
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kHeight);
bufferSpec.size += i;
bufferSpec.offset += i;
DoTest({ kWidth, kHeight, 0, 0, kWidth, kHeight, 0 }, bufferSpec);
}
}
// Test that copying without a 512-byte aligned buffer offset that is greater than the row pitch works
TEST_P(CopyTests_T2B, OffsetBufferUnalignedSmallRowPitch) {
constexpr uint32_t kWidth = 32;
constexpr uint32_t kHeight = 128;
for (uint32_t i = 256 + kBytesPerTexel; i < 512; i += kBytesPerTexel * 9) {
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kHeight);
bufferSpec.size += i;
bufferSpec.offset += i;
DoTest({ kWidth, kHeight, 0, 0, kWidth, kHeight, 0 }, bufferSpec);
}
}
// Test that copying with a greater row pitch than needed on a 256-byte aligned texture works
TEST_P(CopyTests_T2B, RowPitchAligned) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kHeight);
for (unsigned int i = 1; i < 4; ++i) {
bufferSpec.rowPitch += 256;
bufferSpec.size += 256 * kHeight;
DoTest({ kWidth, kHeight, 0, 0, kWidth, kHeight, 0 }, bufferSpec);
}
}
// Test that copying with a greater row pitch than needed on a texture that is not 256-byte aligned works
TEST_P(CopyTests_T2B, RowPitchUnaligned) {
constexpr uint32_t kWidth = 259;
constexpr uint32_t kHeight = 127;
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kHeight);
for (unsigned int i = 1; i < 4; ++i) {
bufferSpec.rowPitch += 256;
bufferSpec.size += 256 * kHeight;
DoTest({ kWidth, kHeight, 0, 0, kWidth, kHeight, 0 }, bufferSpec);
}
}
// Test that copying regions of each texture 2D array layer works
TEST_P(CopyTests_T2B, Texture2DArrayRegion) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
constexpr uint32_t kLayers = 6u;
DoTest({ kWidth, kHeight, 0, 0, kWidth, kHeight, 0, kLayers }, MinimumBufferSpec(kWidth, kHeight));
}
// 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;
for (unsigned int i = 1; i < 4; ++i) {
DoTest({ kWidth, kHeight, 0, 0, kWidth >> i, kHeight >> i, i, kLayers }, MinimumBufferSpec(kWidth >> i, kHeight >> i));
}
}
DAWN_INSTANTIATE_TEST(CopyTests_T2B, D3D12Backend, MetalBackend, OpenGLBackend, VulkanBackend);
// Test that copying an entire texture with 256-byte aligned dimensions works
TEST_P(CopyTests_B2T, FullTextureAligned) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
DoTest({ kWidth, kHeight, 0, 0, kWidth, kHeight, 0 }, MinimumBufferSpec(kWidth, kHeight));
}
// 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;
DoTest({ kWidth, kHeight, 0, 0, kWidth, kHeight, 0 }, MinimumBufferSpec(kWidth, kHeight));
}
// 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);
DoTest({ kWidth, kHeight, 0, 0, 1, 1, 0 }, pixelBuffer);
DoTest({ kWidth, kHeight, kWidth - 1, 0, 1, 1, 0 }, pixelBuffer);
DoTest({ kWidth, kHeight, 0, kHeight - 1, 1, 1, 0 }, pixelBuffer);
DoTest({ kWidth, kHeight, kWidth - 1, kHeight - 1, 1, 1, 0 }, pixelBuffer);
DoTest({ kWidth, kHeight, kWidth / 3, kHeight / 7, 1, 1, 0 }, pixelBuffer);
DoTest({ kWidth, kHeight, kWidth / 7, kHeight / 3, 1, 1, 0 }, pixelBuffer);
}
// 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);
DoTest({ kWidth, kHeight, 0, 0, 1, 1, 0 }, pixelBuffer);
DoTest({ kWidth, kHeight, kWidth - 1, 0, 1, 1, 0 }, pixelBuffer);
DoTest({ kWidth, kHeight, 0, kHeight - 1, 1, 1, 0 }, pixelBuffer);
DoTest({ kWidth, kHeight, kWidth - 1, kHeight - 1, 1, 1, 0 }, pixelBuffer);
DoTest({ kWidth, kHeight, kWidth / 3, kHeight / 7, 1, 1, 0 }, pixelBuffer);
DoTest({ kWidth, kHeight, kWidth / 7, kHeight / 3, 1, 1, 0 }, pixelBuffer);
}
// 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 }) {
DoTest({ kWidth, kHeight, 0, 0, w, h, 0 }, MinimumBufferSpec(w, h));
}
}
}
// 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;
for (unsigned int w : {13, 63, 65}) {
for (unsigned int h : { 17, 19, 63 }) {
DoTest({ kWidth, kHeight, 0, 0, w, h, 0 }, MinimumBufferSpec(w, h));
}
}
}
// 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;
for (unsigned int i = 1; i < 4; ++i) {
DoTest({ kWidth, kHeight, 0, 0, kWidth >> i, kHeight >> i, i }, MinimumBufferSpec(kWidth >> i, kHeight >> i));
}
}
// 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;
for (unsigned int i = 1; i < 4; ++i) {
DoTest({ kWidth, kHeight, 0, 0, kWidth >> i, kHeight >> i, i }, MinimumBufferSpec(kWidth >> i, kHeight >> i));
}
}
// 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;
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({ kWidth, kHeight, 0, 0, kWidth, kHeight, 0 }, bufferSpec);
}
}
// 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;
for (uint32_t i = kBytesPerTexel; i < 512; i += kBytesPerTexel * 9) {
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kHeight);
bufferSpec.size += i;
bufferSpec.offset += i;
DoTest({ kWidth, kHeight, 0, 0, kWidth, kHeight, 0 }, bufferSpec);
}
}
// Test that copying without a 512-byte aligned buffer offset that is greater than the row pitch works
TEST_P(CopyTests_B2T, OffsetBufferUnalignedSmallRowPitch) {
constexpr uint32_t kWidth = 32;
constexpr uint32_t kHeight = 128;
for (uint32_t i = 256 + kBytesPerTexel; i < 512; i += kBytesPerTexel * 9) {
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kHeight);
bufferSpec.size += i;
bufferSpec.offset += i;
DoTest({ kWidth, kHeight, 0, 0, kWidth, kHeight, 0 }, bufferSpec);
}
}
// Test that copying with a greater row pitch than needed on a 256-byte aligned texture works
TEST_P(CopyTests_B2T, RowPitchAligned) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kHeight);
for (unsigned int i = 1; i < 4; ++i) {
bufferSpec.rowPitch += 256;
bufferSpec.size += 256 * kHeight;
DoTest({ kWidth, kHeight, 0, 0, kWidth, kHeight, 0 }, bufferSpec);
}
}
// Test that copying with a greater row pitch than needed on a texture that is not 256-byte aligned works
TEST_P(CopyTests_B2T, RowPitchUnaligned) {
constexpr uint32_t kWidth = 259;
constexpr uint32_t kHeight = 127;
BufferSpec bufferSpec = MinimumBufferSpec(kWidth, kHeight);
for (unsigned int i = 1; i < 4; ++i) {
bufferSpec.rowPitch += 256;
bufferSpec.size += 256 * kHeight;
DoTest({ kWidth, kHeight, 0, 0, kWidth, kHeight, 0 }, bufferSpec);
}
}
DAWN_INSTANTIATE_TEST(CopyTests_B2T, D3D12Backend, MetalBackend, OpenGLBackend, VulkanBackend);
TEST_P(CopyTests_T2T, Texture) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
DoTest({kWidth, kHeight, 0, 0, 0}, {kWidth, kHeight, 0, 0, 0}, {kWidth, kHeight});
}
TEST_P(CopyTests_T2T, TextureRegion) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
for (unsigned int w : {64, 128, 256}) {
for (unsigned int h : {16, 32, 48}) {
DoTest({kWidth, kHeight, 0, 0, 0, 1}, {kWidth, kHeight, 0, 0, 0, 1}, {w, h});
}
}
}
TEST_P(CopyTests_T2T, Texture2DArray) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
constexpr uint32_t kLayers = 6u;
DoTest({kWidth, kHeight, 0, 0, 0, kLayers}, {kWidth, kHeight, 0, 0, 0, kLayers},
{kWidth, kHeight});
}
TEST_P(CopyTests_T2T, Texture2DArrayRegion) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
constexpr uint32_t kLayers = 6u;
for (unsigned int w : {64, 128, 256}) {
for (unsigned int h : {16, 32, 48}) {
DoTest({kWidth, kHeight, 0, 0, 0, kLayers}, {kWidth, kHeight, 0, 0, 0, kLayers},
{w, h});
}
}
}
TEST_P(CopyTests_T2T, TextureMip) {
constexpr uint32_t kWidth = 256;
constexpr uint32_t kHeight = 128;
for (unsigned int i = 1; i < 4; ++i) {
DoTest({kWidth, kHeight, 0, 0, i}, {kWidth, kHeight, 0, 0, i}, {kWidth >> i, kHeight >> i});
}
}
// TODO(brandon1.jones@intel.com) Add test for ensuring blitCommandEncoder on Metal.
DAWN_INSTANTIATE_TEST(CopyTests_T2T, D3D12Backend, MetalBackend, OpenGLBackend, VulkanBackend);