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// Copyright 2020 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/unittests/validation/ValidationTest.h"
#include "common/Math.h"
#include "utils/TestUtils.h"
#include "utils/TextureUtils.h"
#include "utils/WGPUHelpers.h"
namespace {
class QueueWriteTextureValidationTest : public ValidationTest {
private:
void SetUp() override {
ValidationTest::SetUp();
queue = device.GetQueue();
}
protected:
wgpu::Texture Create2DTexture(wgpu::Extent3D size,
uint32_t mipLevelCount,
wgpu::TextureFormat format,
wgpu::TextureUsage usage,
uint32_t sampleCount = 1) {
wgpu::TextureDescriptor descriptor;
descriptor.dimension = wgpu::TextureDimension::e2D;
descriptor.size.width = size.width;
descriptor.size.height = size.height;
descriptor.size.depthOrArrayLayers = size.depthOrArrayLayers;
descriptor.sampleCount = sampleCount;
descriptor.format = format;
descriptor.mipLevelCount = mipLevelCount;
descriptor.usage = usage;
wgpu::Texture tex = device.CreateTexture(&descriptor);
return tex;
}
void TestWriteTexture(size_t dataSize,
uint32_t dataOffset,
uint32_t dataBytesPerRow,
uint32_t dataRowsPerImage,
wgpu::Texture texture,
uint32_t texLevel,
wgpu::Origin3D texOrigin,
wgpu::Extent3D size,
wgpu::TextureAspect aspect = wgpu::TextureAspect::All) {
std::vector<uint8_t> data(dataSize);
wgpu::TextureDataLayout textureDataLayout;
textureDataLayout.offset = dataOffset;
textureDataLayout.bytesPerRow = dataBytesPerRow;
textureDataLayout.rowsPerImage = dataRowsPerImage;
wgpu::ImageCopyTexture imageCopyTexture =
utils::CreateImageCopyTexture(texture, texLevel, texOrigin, aspect);
queue.WriteTexture(&imageCopyTexture, data.data(), dataSize, &textureDataLayout, &size);
}
void TestWriteTextureExactDataSize(uint32_t bytesPerRow,
uint32_t rowsPerImage,
wgpu::Texture texture,
wgpu::TextureFormat textureFormat,
wgpu::Origin3D origin,
wgpu::Extent3D extent3D) {
// Check the minimal valid dataSize.
uint64_t dataSize =
utils::RequiredBytesInCopy(bytesPerRow, rowsPerImage, extent3D, textureFormat);
TestWriteTexture(dataSize, 0, bytesPerRow, rowsPerImage, texture, 0, origin, extent3D);
// Check dataSize was indeed minimal.
uint64_t invalidSize = dataSize - 1;
ASSERT_DEVICE_ERROR(TestWriteTexture(invalidSize, 0, bytesPerRow, rowsPerImage, texture,
0, origin, extent3D));
}
wgpu::Queue queue;
};
// Test the success case for WriteTexture
TEST_F(QueueWriteTextureValidationTest, Success) {
const uint64_t dataSize =
utils::RequiredBytesInCopy(256, 0, {4, 4, 1}, wgpu::TextureFormat::RGBA8Unorm);
wgpu::Texture destination = Create2DTexture({16, 16, 4}, 5, wgpu::TextureFormat::RGBA8Unorm,
wgpu::TextureUsage::CopyDst);
// Different copies, including some that touch the OOB condition
{
// Copy 4x4 block in corner of first mip.
TestWriteTexture(dataSize, 0, 256, 4, destination, 0, {0, 0, 0}, {4, 4, 1});
// Copy 4x4 block in opposite corner of first mip.
TestWriteTexture(dataSize, 0, 256, 4, destination, 0, {12, 12, 0}, {4, 4, 1});
// Copy 4x4 block in the 4x4 mip.
TestWriteTexture(dataSize, 0, 256, 4, destination, 2, {0, 0, 0}, {4, 4, 1});
// Copy with a data offset
TestWriteTexture(dataSize, dataSize - 4, 256, 1, destination, 0, {0, 0, 0}, {1, 1, 1});
TestWriteTexture(dataSize, dataSize - 4, 256, wgpu::kCopyStrideUndefined, destination,
0, {0, 0, 0}, {1, 1, 1});
}
// Copies with a 256-byte aligned bytes per row but unaligned texture region
{
// Unaligned region
TestWriteTexture(dataSize, 0, 256, 4, destination, 0, {0, 0, 0}, {3, 4, 1});
// Unaligned region with texture offset
TestWriteTexture(dataSize, 0, 256, 3, destination, 0, {5, 7, 0}, {2, 3, 1});
// Unaligned region, with data offset
TestWriteTexture(dataSize, 31 * 4, 256, 3, destination, 0, {0, 0, 0}, {3, 3, 1});
}
// Empty copies are valid
{
// An empty copy
TestWriteTexture(dataSize, 0, 0, 0, destination, 0, {0, 0, 0}, {0, 0, 1});
TestWriteTexture(dataSize, 0, 0, wgpu::kCopyStrideUndefined, destination, 0, {0, 0, 0},
{0, 0, 1});
// An empty copy with depth = 0
TestWriteTexture(dataSize, 0, 0, 0, destination, 0, {0, 0, 0}, {0, 0, 0});
TestWriteTexture(dataSize, 0, 0, wgpu::kCopyStrideUndefined, destination, 0, {0, 0, 0},
{0, 0, 0});
// An empty copy touching the end of the data
TestWriteTexture(dataSize, dataSize, 0, 0, destination, 0, {0, 0, 0}, {0, 0, 1});
TestWriteTexture(dataSize, dataSize, 0, wgpu::kCopyStrideUndefined, destination, 0,
{0, 0, 0}, {0, 0, 1});
// An empty copy touching the side of the texture
TestWriteTexture(dataSize, 0, 0, 0, destination, 0, {16, 16, 0}, {0, 0, 1});
TestWriteTexture(dataSize, 0, 0, wgpu::kCopyStrideUndefined, destination, 0,
{16, 16, 0}, {0, 0, 1});
// An empty copy with depth = 1 and bytesPerRow > 0
TestWriteTexture(dataSize, 0, 256, 0, destination, 0, {0, 0, 0}, {0, 0, 1});
TestWriteTexture(dataSize, 0, 256, wgpu::kCopyStrideUndefined, destination, 0,
{0, 0, 0}, {0, 0, 1});
// An empty copy with height > 0, depth = 0, bytesPerRow > 0 and rowsPerImage > 0
TestWriteTexture(dataSize, 0, 256, wgpu::kCopyStrideUndefined, destination, 0,
{0, 0, 0}, {0, 1, 0});
TestWriteTexture(dataSize, 0, 256, 1, destination, 0, {0, 0, 0}, {0, 1, 0});
TestWriteTexture(dataSize, 0, 256, 16, destination, 0, {0, 0, 0}, {0, 1, 0});
}
}
// Test OOB conditions on the data
TEST_F(QueueWriteTextureValidationTest, OutOfBoundsOnData) {
const uint64_t dataSize =
utils::RequiredBytesInCopy(256, 0, {4, 4, 1}, wgpu::TextureFormat::RGBA8Unorm);
wgpu::Texture destination = Create2DTexture({16, 16, 1}, 5, wgpu::TextureFormat::RGBA8Unorm,
wgpu::TextureUsage::CopyDst);
// OOB on the data because we copy too many pixels
ASSERT_DEVICE_ERROR(
TestWriteTexture(dataSize, 0, 256, 5, destination, 0, {0, 0, 0}, {4, 5, 1}));
// OOB on the data because of the offset
ASSERT_DEVICE_ERROR(
TestWriteTexture(dataSize, 4, 256, 4, destination, 0, {0, 0, 0}, {4, 4, 1}));
// OOB on the data because utils::RequiredBytesInCopy overflows
ASSERT_DEVICE_ERROR(
TestWriteTexture(dataSize, 0, 512, 3, destination, 0, {0, 0, 0}, {4, 3, 1}));
// Not OOB on the data although bytes per row * height overflows
// but utils::RequiredBytesInCopy * depth does not overflow
{
uint32_t sourceDataSize =
utils::RequiredBytesInCopy(256, 0, {7, 3, 1}, wgpu::TextureFormat::RGBA8Unorm);
ASSERT_TRUE(256 * 3 > sourceDataSize) << "bytes per row * height should overflow data";
TestWriteTexture(sourceDataSize, 0, 256, 3, destination, 0, {0, 0, 0}, {7, 3, 1});
}
}
// Test OOB conditions on the texture
TEST_F(QueueWriteTextureValidationTest, OutOfBoundsOnTexture) {
const uint64_t dataSize =
utils::RequiredBytesInCopy(256, 0, {4, 4, 1}, wgpu::TextureFormat::RGBA8Unorm);
wgpu::Texture destination = Create2DTexture({16, 16, 2}, 5, wgpu::TextureFormat::RGBA8Unorm,
wgpu::TextureUsage::CopyDst);
// OOB on the texture because x + width overflows
ASSERT_DEVICE_ERROR(
TestWriteTexture(dataSize, 0, 256, 4, destination, 0, {13, 12, 0}, {4, 4, 1}));
// OOB on the texture because y + width overflows
ASSERT_DEVICE_ERROR(
TestWriteTexture(dataSize, 0, 256, 4, destination, 0, {12, 13, 0}, {4, 4, 1}));
// OOB on the texture because we overflow a non-zero mip
ASSERT_DEVICE_ERROR(
TestWriteTexture(dataSize, 0, 256, 4, destination, 2, {1, 0, 0}, {4, 4, 1}));
// OOB on the texture even on an empty copy when we copy to a non-existent mip.
ASSERT_DEVICE_ERROR(
TestWriteTexture(dataSize, 0, 0, 0, destination, 5, {0, 0, 0}, {0, 0, 1}));
// OOB on the texture because slice overflows
ASSERT_DEVICE_ERROR(
TestWriteTexture(dataSize, 0, 0, 0, destination, 0, {0, 0, 2}, {0, 0, 1}));
}
// Test that we force Depth=1 on writes to 2D textures
TEST_F(QueueWriteTextureValidationTest, DepthConstraintFor2DTextures) {
const uint64_t dataSize =
utils::RequiredBytesInCopy(0, 0, {0, 0, 2}, wgpu::TextureFormat::RGBA8Unorm);
wgpu::Texture destination = Create2DTexture({16, 16, 1}, 5, wgpu::TextureFormat::RGBA8Unorm,
wgpu::TextureUsage::CopyDst);
// Depth > 1 on an empty copy still errors
ASSERT_DEVICE_ERROR(
TestWriteTexture(dataSize, 0, 0, 0, destination, 0, {0, 0, 0}, {0, 0, 2}));
}
// Test WriteTexture with incorrect texture usage
TEST_F(QueueWriteTextureValidationTest, IncorrectUsage) {
const uint64_t dataSize =
utils::RequiredBytesInCopy(256, 0, {4, 4, 1}, wgpu::TextureFormat::RGBA8Unorm);
wgpu::Texture sampled = Create2DTexture({16, 16, 1}, 5, wgpu::TextureFormat::RGBA8Unorm,
wgpu::TextureUsage::TextureBinding);
// Incorrect destination usage
ASSERT_DEVICE_ERROR(
TestWriteTexture(dataSize, 0, 256, 4, sampled, 0, {0, 0, 0}, {4, 4, 1}));
}
// Test incorrect values of bytesPerRow and that values not divisible by 256 are allowed.
TEST_F(QueueWriteTextureValidationTest, BytesPerRowConstraints) {
wgpu::Texture destination = Create2DTexture({3, 7, 2}, 1, wgpu::TextureFormat::RGBA8Unorm,
wgpu::TextureUsage::CopyDst);
// bytesPerRow = 0 or wgpu::kCopyStrideUndefined
{
// copyHeight > 1
ASSERT_DEVICE_ERROR(
TestWriteTexture(128, 0, 0, 7, destination, 0, {0, 0, 0}, {3, 7, 1}));
TestWriteTexture(128, 0, 0, 7, destination, 0, {0, 0, 0}, {0, 7, 1});
ASSERT_DEVICE_ERROR(TestWriteTexture(128, 0, wgpu::kCopyStrideUndefined, 7, destination,
0, {0, 0, 0}, {0, 7, 1}));
// copyDepth > 1
ASSERT_DEVICE_ERROR(
TestWriteTexture(128, 0, 0, 1, destination, 0, {0, 0, 0}, {3, 1, 2}));
TestWriteTexture(128, 0, 0, 1, destination, 0, {0, 0, 0}, {0, 1, 2});
ASSERT_DEVICE_ERROR(TestWriteTexture(128, 0, wgpu::kCopyStrideUndefined, 1, destination,
0, {0, 0, 0}, {0, 1, 2}));
// copyHeight = 1 and copyDepth = 1
ASSERT_DEVICE_ERROR(
TestWriteTexture(128, 0, 0, 1, destination, 0, {0, 0, 0}, {3, 1, 1}));
TestWriteTexture(128, 0, wgpu::kCopyStrideUndefined, 1, destination, 0, {0, 0, 0},
{3, 1, 1});
}
// bytesPerRow = 11 is invalid since a row takes 12 bytes.
{
// copyHeight > 1
ASSERT_DEVICE_ERROR(
TestWriteTexture(128, 0, 11, 7, destination, 0, {0, 0, 0}, {3, 7, 1}));
// copyHeight == 0
ASSERT_DEVICE_ERROR(
TestWriteTexture(128, 0, 11, 0, destination, 0, {0, 0, 0}, {3, 0, 1}));
// copyDepth > 1
ASSERT_DEVICE_ERROR(
TestWriteTexture(128, 0, 11, 1, destination, 0, {0, 0, 0}, {3, 1, 2}));
// copyDepth == 0
ASSERT_DEVICE_ERROR(
TestWriteTexture(128, 0, 11, 1, destination, 0, {0, 0, 0}, {3, 1, 0}));
// copyHeight = 1 and copyDepth = 1
ASSERT_DEVICE_ERROR(
TestWriteTexture(128, 0, 11, 1, destination, 0, {0, 0, 0}, {3, 1, 1}));
}
// bytesPerRow = 12 is valid since a row takes 12 bytes.
TestWriteTexture(128, 0, 12, 7, destination, 0, {0, 0, 0}, {3, 7, 1});
// bytesPerRow = 13 is valid since a row takes 12 bytes.
TestWriteTexture(128, 0, 13, 7, destination, 0, {0, 0, 0}, {3, 7, 1});
}
// Test that if rowsPerImage is greater than 0, it must be at least copy height.
TEST_F(QueueWriteTextureValidationTest, RowsPerImageConstraints) {
uint64_t dataSize =
utils::RequiredBytesInCopy(256, 5, {4, 4, 2}, wgpu::TextureFormat::RGBA8Unorm);
wgpu::Texture destination = Create2DTexture({16, 16, 2}, 1, wgpu::TextureFormat::RGBA8Unorm,
wgpu::TextureUsage::CopyDst);
// rowsPerImage is wgpu::kCopyStrideUndefined
TestWriteTexture(dataSize, 0, 256, wgpu::kCopyStrideUndefined, destination, 0, {0, 0, 0},
{4, 4, 1});
// rowsPerImage is equal to copy height (Valid)
TestWriteTexture(dataSize, 0, 256, 4, destination, 0, {0, 0, 0}, {4, 4, 1});
// rowsPerImage is larger than copy height (Valid)
TestWriteTexture(dataSize, 0, 256, 5, destination, 0, {0, 0, 0}, {4, 4, 1});
TestWriteTexture(dataSize, 0, 256, 5, destination, 0, {0, 0, 0}, {4, 4, 2});
// rowsPerImage is less than copy height (Invalid)
ASSERT_DEVICE_ERROR(
TestWriteTexture(dataSize, 0, 256, 3, destination, 0, {0, 0, 0}, {4, 4, 1}));
ASSERT_DEVICE_ERROR(
TestWriteTexture(dataSize, 0, 256, 0, destination, 0, {0, 0, 0}, {4, 4, 1}));
}
// Test WriteTexture with data offset
TEST_F(QueueWriteTextureValidationTest, DataOffset) {
uint64_t dataSize =
utils::RequiredBytesInCopy(256, 0, {4, 4, 1}, wgpu::TextureFormat::RGBA8Unorm);
wgpu::Texture destination = Create2DTexture({16, 16, 1}, 5, wgpu::TextureFormat::RGBA8Unorm,
wgpu::TextureUsage::CopyDst);
// Offset aligned
TestWriteTexture(dataSize, dataSize - 4, 256, 1, destination, 0, {0, 0, 0}, {1, 1, 1});
// Offset not aligned
TestWriteTexture(dataSize, dataSize - 5, 256, 1, destination, 0, {0, 0, 0}, {1, 1, 1});
// Offset+size too large
ASSERT_DEVICE_ERROR(
TestWriteTexture(dataSize, dataSize - 3, 256, 1, destination, 0, {0, 0, 0}, {1, 1, 1}));
}
// Test multisampled textures can be used in WriteTexture.
TEST_F(QueueWriteTextureValidationTest, WriteToMultisampledTexture) {
uint64_t dataSize =
utils::RequiredBytesInCopy(256, 0, {2, 2, 1}, wgpu::TextureFormat::RGBA8Unorm);
wgpu::Texture destination = Create2DTexture({2, 2, 1}, 1, wgpu::TextureFormat::RGBA8Unorm,
wgpu::TextureUsage::CopyDst, 4);
ASSERT_DEVICE_ERROR(
TestWriteTexture(dataSize, 0, 256, 2, destination, 0, {0, 0, 0}, {2, 2, 1}));
}
// Test that WriteTexture cannot be run with a destroyed texture.
TEST_F(QueueWriteTextureValidationTest, DestroyedTexture) {
const uint64_t dataSize =
utils::RequiredBytesInCopy(256, 4, {4, 4, 1}, wgpu::TextureFormat::RGBA8Unorm);
wgpu::Texture destination = Create2DTexture({16, 16, 4}, 5, wgpu::TextureFormat::RGBA8Unorm,
wgpu::TextureUsage::CopyDst);
destination.Destroy();
ASSERT_DEVICE_ERROR(
TestWriteTexture(dataSize, 0, 256, 4, destination, 0, {0, 0, 0}, {4, 4, 1}));
}
// Test WriteTexture with texture in error state causes errors.
TEST_F(QueueWriteTextureValidationTest, TextureInErrorState) {
wgpu::TextureDescriptor errorTextureDescriptor;
errorTextureDescriptor.size.depthOrArrayLayers = 0;
ASSERT_DEVICE_ERROR(wgpu::Texture errorTexture =
device.CreateTexture(&errorTextureDescriptor));
wgpu::ImageCopyTexture errorImageCopyTexture =
utils::CreateImageCopyTexture(errorTexture, 0, {0, 0, 0});
wgpu::Extent3D extent3D = {0, 0, 0};
{
std::vector<uint8_t> data(4);
wgpu::TextureDataLayout textureDataLayout = utils::CreateTextureDataLayout(0, 0, 0);
ASSERT_DEVICE_ERROR(queue.WriteTexture(&errorImageCopyTexture, data.data(), 4,
&textureDataLayout, &extent3D));
}
}
// Test that WriteTexture throws an error when requiredBytesInCopy overflows uint64_t
TEST_F(QueueWriteTextureValidationTest, RequiredBytesInCopyOverflow) {
wgpu::Texture destination = Create2DTexture({1, 1, 16}, 1, wgpu::TextureFormat::RGBA8Unorm,
wgpu::TextureUsage::CopyDst);
// success because depth = 1.
TestWriteTexture(10000, 0, (1 << 31), (1 << 31), destination, 0, {0, 0, 0}, {1, 1, 1});
// failure because bytesPerImage * (depth - 1) overflows.
ASSERT_DEVICE_ERROR(TestWriteTexture(10000, 0, (1 << 31), (1 << 31), destination, 0,
{0, 0, 0}, {1, 1, 16}));
}
// Regression tests for a bug in the computation of texture data size in Dawn.
TEST_F(QueueWriteTextureValidationTest, TextureWriteDataSizeLastRowComputation) {
constexpr uint32_t kBytesPerRow = 256;
constexpr uint32_t kWidth = 4;
constexpr uint32_t kHeight = 4;
constexpr std::array<wgpu::TextureFormat, 2> kFormats = {wgpu::TextureFormat::RGBA8Unorm,
wgpu::TextureFormat::RG8Unorm};
{
// kBytesPerRow * (kHeight - 1) + kWidth is not large enough to be the valid data size
// in this test because the data sizes in WriteTexture are not in texels but in bytes.
constexpr uint32_t kInvalidDataSize = kBytesPerRow * (kHeight - 1) + kWidth;
for (wgpu::TextureFormat format : kFormats) {
wgpu::Texture destination =
Create2DTexture({kWidth, kHeight, 1}, 1, format, wgpu::TextureUsage::CopyDst);
ASSERT_DEVICE_ERROR(TestWriteTexture(kInvalidDataSize, 0, kBytesPerRow, kHeight,
destination, 0, {0, 0, 0},
{kWidth, kHeight, 1}));
}
}
{
for (wgpu::TextureFormat format : kFormats) {
uint32_t validDataSize =
utils::RequiredBytesInCopy(kBytesPerRow, 0, {kWidth, kHeight, 1}, format);
wgpu::Texture destination =
Create2DTexture({kWidth, kHeight, 1}, 1, format, wgpu::TextureUsage::CopyDst);
// Verify the return value of RequiredBytesInCopy() is exactly the minimum valid
// data size in this test.
{
uint32_t invalidDataSize = validDataSize - 1;
ASSERT_DEVICE_ERROR(TestWriteTexture(invalidDataSize, 0, kBytesPerRow, kHeight,
destination, 0, {0, 0, 0},
{kWidth, kHeight, 1}));
}
{
TestWriteTexture(validDataSize, 0, kBytesPerRow, kHeight, destination, 0,
{0, 0, 0}, {kWidth, kHeight, 1});
}
}
}
}
// Test write from data to mip map of non square texture
TEST_F(QueueWriteTextureValidationTest, WriteToMipmapOfNonSquareTexture) {
uint64_t dataSize =
utils::RequiredBytesInCopy(256, 0, {4, 2, 1}, wgpu::TextureFormat::RGBA8Unorm);
uint32_t maxMipmapLevel = 3;
wgpu::Texture destination =
Create2DTexture({4, 2, 1}, maxMipmapLevel, wgpu::TextureFormat::RGBA8Unorm,
wgpu::TextureUsage::CopyDst);
// Copy to top level mip map
TestWriteTexture(dataSize, 0, 256, 1, destination, maxMipmapLevel - 1, {0, 0, 0},
{1, 1, 1});
// Copy to high level mip map
TestWriteTexture(dataSize, 0, 256, 1, destination, maxMipmapLevel - 2, {0, 0, 0},
{2, 1, 1});
// Mip level out of range
ASSERT_DEVICE_ERROR(TestWriteTexture(dataSize, 0, 256, 1, destination, maxMipmapLevel,
{0, 0, 0}, {1, 1, 1}));
// Copy origin out of range
ASSERT_DEVICE_ERROR(TestWriteTexture(dataSize, 0, 256, 1, destination, maxMipmapLevel - 2,
{1, 0, 0}, {2, 1, 1}));
// Copy size out of range
ASSERT_DEVICE_ERROR(TestWriteTexture(dataSize, 0, 256, 2, destination, maxMipmapLevel - 2,
{0, 0, 0}, {2, 2, 1}));
}
// Test writes to multiple array layers of an uncompressed texture
TEST_F(QueueWriteTextureValidationTest, WriteToMultipleArrayLayers) {
wgpu::Texture destination = QueueWriteTextureValidationTest::Create2DTexture(
{4, 2, 5}, 1, wgpu::TextureFormat::RGBA8Unorm,
wgpu::TextureUsage::CopyDst | wgpu::TextureUsage::CopySrc);
// Write to all array layers
TestWriteTextureExactDataSize(256, 2, destination, wgpu::TextureFormat::RGBA8Unorm,
{0, 0, 0}, {4, 2, 5});
// Write to the highest array layer
TestWriteTextureExactDataSize(256, 2, destination, wgpu::TextureFormat::RGBA8Unorm,
{0, 0, 4}, {4, 2, 1});
// Write to array layers in the middle
TestWriteTextureExactDataSize(256, 2, destination, wgpu::TextureFormat::RGBA8Unorm,
{0, 0, 1}, {4, 2, 3});
// Copy with a non-packed rowsPerImage
TestWriteTextureExactDataSize(256, 3, destination, wgpu::TextureFormat::RGBA8Unorm,
{0, 0, 0}, {4, 2, 5});
// Copy with bytesPerRow = 500
TestWriteTextureExactDataSize(500, 2, destination, wgpu::TextureFormat::RGBA8Unorm,
{0, 0, 1}, {4, 2, 3});
}
// Test it is invalid to write into a depth texture.
TEST_F(QueueWriteTextureValidationTest, WriteToDepthAspect) {
uint32_t bytesPerRow = sizeof(float) * 4;
const uint64_t dataSize = utils::RequiredBytesInCopy(bytesPerRow, 0, {4, 4, 1},
wgpu::TextureFormat::Depth32Float);
// Invalid to write into depth32float
{
wgpu::Texture destination = QueueWriteTextureValidationTest::Create2DTexture(
{4, 4, 1}, 1, wgpu::TextureFormat::Depth32Float, wgpu::TextureUsage::CopyDst);
ASSERT_DEVICE_ERROR(TestWriteTexture(dataSize, 0, bytesPerRow, 4, destination, 0,
{0, 0, 0}, {4, 4, 1}, wgpu::TextureAspect::All));
ASSERT_DEVICE_ERROR(TestWriteTexture(dataSize, 0, bytesPerRow, 4, destination, 0,
{0, 0, 0}, {4, 4, 1},
wgpu::TextureAspect::DepthOnly));
}
// Invalid to write into depth24plus
{
wgpu::Texture destination = QueueWriteTextureValidationTest::Create2DTexture(
{4, 4, 1}, 1, wgpu::TextureFormat::Depth24Plus, wgpu::TextureUsage::CopyDst);
ASSERT_DEVICE_ERROR(TestWriteTexture(dataSize, 0, bytesPerRow, 4, destination, 0,
{0, 0, 0}, {4, 4, 1}, wgpu::TextureAspect::All));
ASSERT_DEVICE_ERROR(TestWriteTexture(dataSize, 0, bytesPerRow, 4, destination, 0,
{0, 0, 0}, {4, 4, 1},
wgpu::TextureAspect::DepthOnly));
}
}
// Test write texture to the stencil aspect
TEST_F(QueueWriteTextureValidationTest, WriteToStencilAspect) {
uint32_t bytesPerRow = 4;
const uint64_t dataSize =
utils::RequiredBytesInCopy(bytesPerRow, 0, {4, 4, 1}, wgpu::TextureFormat::R8Uint);
// It is valid to write into the stencil aspect of depth24plus-stencil8
{
wgpu::Texture destination = QueueWriteTextureValidationTest::Create2DTexture(
{4, 4, 1}, 1, wgpu::TextureFormat::Depth24PlusStencil8,
wgpu::TextureUsage::CopyDst);
TestWriteTexture(dataSize, 0, bytesPerRow, wgpu::kCopyStrideUndefined, destination, 0,
{0, 0, 0}, {4, 4, 1}, wgpu::TextureAspect::StencilOnly);
// And that it fails if the buffer is one byte too small
ASSERT_DEVICE_ERROR(TestWriteTexture(dataSize - 1, 0, bytesPerRow, 4, destination, 0,
{0, 0, 0}, {4, 4, 1},
wgpu::TextureAspect::StencilOnly));
// It is invalid to write just part of the subresource size
ASSERT_DEVICE_ERROR(TestWriteTexture(dataSize, 0, bytesPerRow, 3, destination, 0,
{0, 0, 0}, {3, 3, 1},
wgpu::TextureAspect::StencilOnly));
}
// It is invalid to write into the stencil aspect of depth24plus (no stencil)
{
wgpu::Texture destination = QueueWriteTextureValidationTest::Create2DTexture(
{4, 4, 1}, 1, wgpu::TextureFormat::Depth24Plus, wgpu::TextureUsage::CopyDst);
ASSERT_DEVICE_ERROR(TestWriteTexture(dataSize, 0, bytesPerRow, 4, destination, 0,
{0, 0, 0}, {4, 4, 1},
wgpu::TextureAspect::StencilOnly));
}
}
class WriteTextureTest_CompressedTextureFormats : public QueueWriteTextureValidationTest {
protected:
WGPUDevice CreateTestDevice() override {
dawn_native::DeviceDescriptor descriptor;
descriptor.requiredExtensions = {"texture_compression_bc", "texture-compression-etc2",
"texture-compression-astc"};
return adapter.CreateDevice(&descriptor);
}
wgpu::Texture Create2DTexture(wgpu::TextureFormat format,
uint32_t mipmapLevels = 1,
uint32_t width = kWidth,
uint32_t height = kHeight) {
constexpr wgpu::TextureUsage kUsage = wgpu::TextureUsage::CopyDst;
constexpr uint32_t kArrayLayers = 1;
return QueueWriteTextureValidationTest::Create2DTexture(
{width, height, kArrayLayers}, mipmapLevels, format, kUsage, 1);
}
void TestWriteTexture(size_t dataSize,
uint32_t dataOffset,
uint32_t dataBytesPerRow,
uint32_t dataRowsPerImage,
wgpu::Texture texture,
uint32_t textLevel,
wgpu::Origin3D textOrigin,
wgpu::Extent3D size) {
QueueWriteTextureValidationTest::TestWriteTexture(dataSize, dataOffset, dataBytesPerRow,
dataRowsPerImage, texture, textLevel,
textOrigin, size);
}
static constexpr uint32_t kWidth = 120;
static constexpr uint32_t kHeight = 120;
};
// Tests to verify that data offset may not be a multiple of the compressed texture block size
TEST_F(WriteTextureTest_CompressedTextureFormats, DataOffset) {
for (wgpu::TextureFormat format : utils::kCompressedFormats) {
wgpu::Texture texture = Create2DTexture(format);
uint32_t blockWidth = utils::GetTextureFormatBlockWidth(format);
uint32_t blockHeight = utils::GetTextureFormatBlockHeight(format);
// Valid if aligned.
{
uint32_t kAlignedOffset = utils::GetTexelBlockSizeInBytes(format);
TestWriteTexture(1024, kAlignedOffset, 256, 4, texture, 0, {0, 0, 0},
{blockWidth, blockHeight, 1});
}
// Still valid if not aligned.
{
uint32_t kUnalignedOffset = utils::GetTexelBlockSizeInBytes(format) - 1;
TestWriteTexture(1024, kUnalignedOffset, 256, 4, texture, 0, {0, 0, 0},
{blockWidth, blockHeight, 1});
}
}
}
// Tests to verify that bytesPerRow must not be less than (width / blockWidth) *
// blockSizeInBytes and that it doesn't have to be a multiple of the compressed
// texture block width.
TEST_F(WriteTextureTest_CompressedTextureFormats, BytesPerRow) {
// Used to compute test width and height.
constexpr uint32_t kTestBytesPerRow = 320;
for (wgpu::TextureFormat format : utils::kCompressedFormats) {
uint32_t blockWidth = utils::GetTextureFormatBlockWidth(format);
uint32_t blockHeight = utils::GetTextureFormatBlockHeight(format);
uint32_t blockByteSize = utils::GetTexelBlockSizeInBytes(format);
uint32_t testWidth = kTestBytesPerRow * blockWidth / blockByteSize;
uint32_t testHeight = kTestBytesPerRow * blockHeight / blockByteSize;
wgpu::Texture texture = Create2DTexture(format, 1, testWidth, testHeight);
// Failures on the BytesPerRow that is not large enough.
{
uint32_t kSmallBytesPerRow = kTestBytesPerRow - blockByteSize;
ASSERT_DEVICE_ERROR(TestWriteTexture(1024, 0, kSmallBytesPerRow, 4, texture, 0,
{0, 0, 0}, {testWidth, blockHeight, 1}));
}
// Test it is valid to use a BytesPerRow that is not a multiple of 256.
{
TestWriteTexture(1024, 0, kTestBytesPerRow, 4, texture, 0, {0, 0, 0},
{testWidth, blockHeight, 1});
}
// Valid usage of bytesPerRow in WriteTexture with compressed texture formats.
{
TestWriteTexture(512, 0, blockByteSize, 4, texture, 0, {0, 0, 0},
{blockWidth, blockHeight, 1});
}
// Valid usage of bytesPerRow in WriteTexture with compressed texture formats. Note that
// BytesPerRow is not a multiple of the blockByteSize (but is greater than it).
{
TestWriteTexture(512, 0, blockByteSize + 1, 4, texture, 0, {0, 0, 0},
{blockWidth, blockHeight, 1});
}
}
}
// rowsPerImage must be >= heightInBlocks.
TEST_F(WriteTextureTest_CompressedTextureFormats, RowsPerImage) {
for (wgpu::TextureFormat format : utils::kCompressedFormats) {
wgpu::Texture texture = Create2DTexture(format);
uint32_t blockWidth = utils::GetTextureFormatBlockWidth(format);
uint32_t blockHeight = utils::GetTextureFormatBlockHeight(format);
// Valid usages of rowsPerImage in WriteTexture with compressed texture formats.
{
constexpr uint32_t kValidRowsPerImage = 5;
TestWriteTexture(1024, 0, 256, kValidRowsPerImage, texture, 0, {0, 0, 0},
{blockWidth, blockHeight * 4, 1});
}
{
constexpr uint32_t kValidRowsPerImage = 4;
TestWriteTexture(1024, 0, 256, kValidRowsPerImage, texture, 0, {0, 0, 0},
{blockWidth, blockHeight * 4, 1});
}
// rowsPerImage is smaller than height.
{
constexpr uint32_t kInvalidRowsPerImage = 3;
ASSERT_DEVICE_ERROR(TestWriteTexture(1024, 0, 256, kInvalidRowsPerImage, texture, 0,
{0, 0, 0}, {blockWidth, blockWidth * 4, 1}));
}
}
}
// Tests to verify that ImageOffset.x must be a multiple of the compressed texture block width
// and ImageOffset.y must be a multiple of the compressed texture block height
TEST_F(WriteTextureTest_CompressedTextureFormats, ImageOffset) {
for (wgpu::TextureFormat format : utils::kCompressedFormats) {
wgpu::Texture texture = Create2DTexture(format);
wgpu::Texture texture2 = Create2DTexture(format);
uint32_t blockWidth = utils::GetTextureFormatBlockWidth(format);
uint32_t blockHeight = utils::GetTextureFormatBlockHeight(format);
wgpu::Origin3D smallestValidOrigin3D = {blockWidth, blockHeight, 0};
// Valid usages of ImageOffset in WriteTexture with compressed texture formats.
{
TestWriteTexture(512, 0, 256, 4, texture, 0, smallestValidOrigin3D,
{blockWidth, blockHeight, 1});
}
// Failures on invalid ImageOffset.x.
{
wgpu::Origin3D invalidOrigin3D = {smallestValidOrigin3D.x - 1,
smallestValidOrigin3D.y, 0};
ASSERT_DEVICE_ERROR(TestWriteTexture(512, 0, 256, 4, texture, 0, invalidOrigin3D,
{blockWidth, blockHeight, 1}));
}
// Failures on invalid ImageOffset.y.
{
wgpu::Origin3D invalidOrigin3D = {smallestValidOrigin3D.x,
smallestValidOrigin3D.y - 1, 0};
ASSERT_DEVICE_ERROR(TestWriteTexture(512, 0, 256, 4, texture, 0, invalidOrigin3D,
{blockWidth, blockHeight, 1}));
}
}
}
// Tests to verify that ImageExtent.x must be a multiple of the compressed texture block width
// and ImageExtent.y must be a multiple of the compressed texture block height
TEST_F(WriteTextureTest_CompressedTextureFormats, ImageExtent) {
constexpr uint32_t kMipmapLevels = 3;
// We choose a prime that is greater than the current max texel dimension size as a
// multiplier to compute the test texture size so that we can be certain that its level 2
// mipmap (x4) cannot be a multiple of the dimension. This is useful for testing padding at
// the edges of the mipmaps.
constexpr uint32_t kBlockPerDim = 13;
for (wgpu::TextureFormat format : utils::kCompressedFormats) {
uint32_t blockWidth = utils::GetTextureFormatBlockWidth(format);
uint32_t blockHeight = utils::GetTextureFormatBlockHeight(format);
uint32_t testWidth = blockWidth * kBlockPerDim;
uint32_t testHeight = blockHeight * kBlockPerDim;
wgpu::Texture texture = Create2DTexture(format, kMipmapLevels, testWidth, testHeight);
wgpu::Texture texture2 = Create2DTexture(format, kMipmapLevels, testWidth, testHeight);
wgpu::Extent3D smallestValidExtent3D = {blockWidth, blockHeight, 1};
// Valid usages of ImageExtent in WriteTexture with compressed texture formats.
{ TestWriteTexture(512, 0, 256, 4, texture, 0, {0, 0, 0}, smallestValidExtent3D); }
// Valid usages of ImageExtent in WriteTexture with compressed texture formats
// and non-zero mipmap levels.
{
constexpr uint32_t kTestMipmapLevel = 2;
wgpu::Origin3D testOrigin = {
((testWidth >> kTestMipmapLevel) / blockWidth) * blockWidth,
((testHeight >> kTestMipmapLevel) / blockHeight) * blockHeight, 0};
TestWriteTexture(512, 0, 256, 4, texture, kTestMipmapLevel, testOrigin,
smallestValidExtent3D);
}
// Failures on invalid ImageExtent.x.
{
wgpu::Extent3D inValidExtent3D = {smallestValidExtent3D.width - 1,
smallestValidExtent3D.height, 1};
ASSERT_DEVICE_ERROR(
TestWriteTexture(512, 0, 256, 4, texture, 0, {0, 0, 0}, inValidExtent3D));
}
// Failures on invalid ImageExtent.y.
{
wgpu::Extent3D inValidExtent3D = {smallestValidExtent3D.width,
smallestValidExtent3D.height - 1, 1};
ASSERT_DEVICE_ERROR(
TestWriteTexture(512, 0, 256, 4, texture, 0, {0, 0, 0}, inValidExtent3D));
}
}
}
// Test writes to multiple array layers of a compressed texture
TEST_F(WriteTextureTest_CompressedTextureFormats, WriteToMultipleArrayLayers) {
constexpr uint32_t kWidthMultiplier = 3;
constexpr uint32_t kHeightMultiplier = 4;
for (wgpu::TextureFormat format : utils::kCompressedFormats) {
uint32_t blockWidth = utils::GetTextureFormatBlockWidth(format);
uint32_t blockHeight = utils::GetTextureFormatBlockHeight(format);
uint32_t testWidth = kWidthMultiplier * blockWidth;
uint32_t testHeight = kHeightMultiplier * blockHeight;
wgpu::Texture texture = QueueWriteTextureValidationTest::Create2DTexture(
{testWidth, testHeight, 20}, 1, format,
wgpu::TextureUsage::CopyDst | wgpu::TextureUsage::CopySrc);
// Write to all array layers
TestWriteTextureExactDataSize(256, 4, texture, format, {0, 0, 0},
{testWidth, testHeight, 20});
// Write to the highest array layer
TestWriteTextureExactDataSize(256, 4, texture, format, {0, 0, 19},
{testWidth, testHeight, 1});
// Write to array layers in the middle
TestWriteTextureExactDataSize(256, 4, texture, format, {0, 0, 1},
{testWidth, testHeight, 18});
// Write touching the texture corners with a non-packed rowsPerImage
TestWriteTextureExactDataSize(256, 6, texture, format, {blockWidth, blockHeight, 4},
{testWidth - blockWidth, testHeight - blockHeight, 16});
}
}
} // anonymous namespace