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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/DawnTest.h"
#include "common/Constants.h"
#include "common/Math.h"
#include "utils/ComboRenderPipelineDescriptor.h"
#include "utils/TestUtils.h"
#include "utils/TextureUtils.h"
#include "utils/WGPUHelpers.h"
namespace {
static constexpr wgpu::TextureFormat kTextureFormat = wgpu::TextureFormat::RGBA8Unorm;
// Set default texture size to single line texture for color conversion tests.
static constexpr uint64_t kDefaultTextureWidth = 10;
static constexpr uint64_t kDefaultTextureHeight = 1;
enum class ColorSpace : uint32_t {
SRGB = 0x00,
DisplayP3 = 0x01,
};
using Alpha = wgpu::AlphaOp;
DAWN_TEST_PARAM_STRUCT(AlphaTestParams, Alpha);
using SrcFormat = wgpu::TextureFormat;
using DstFormat = wgpu::TextureFormat;
using SrcOrigin = wgpu::Origin3D;
using DstOrigin = wgpu::Origin3D;
using CopySize = wgpu::Extent3D;
using FlipY = bool;
using SrcColorSpace = ColorSpace;
using DstColorSpace = ColorSpace;
using SrcAlphaMode = wgpu::AlphaMode;
using DstAlphaMode = wgpu::AlphaMode;
std::ostream& operator<<(std::ostream& o, wgpu::Origin3D origin) {
o << origin.x << ", " << origin.y << ", " << origin.z;
return o;
}
std::ostream& operator<<(std::ostream& o, wgpu::Extent3D copySize) {
o << copySize.width << ", " << copySize.height << ", " << copySize.depthOrArrayLayers;
return o;
}
std::ostream& operator<<(std::ostream& o, ColorSpace space) {
o << static_cast<uint32_t>(space);
return o;
}
DAWN_TEST_PARAM_STRUCT(FormatTestParams, SrcFormat, DstFormat);
DAWN_TEST_PARAM_STRUCT(SubRectTestParams, SrcOrigin, DstOrigin, CopySize, FlipY);
DAWN_TEST_PARAM_STRUCT(ColorSpaceTestParams,
DstFormat,
SrcColorSpace,
DstColorSpace,
SrcAlphaMode,
DstAlphaMode);
// Color Space table
struct ColorSpaceInfo {
ColorSpace index;
std::array<float, 9> toXYZD50; // 3x3 row major transform matrix
std::array<float, 9> fromXYZD50; // inverse transform matrix of toXYZD50, precomputed
std::array<float, 7> gammaDecodingParams; // Follow { A, B, G, E, epsilon, C, F } order
std::array<float, 7> gammaEncodingParams; // inverse op of decoding, precomputed
bool isNonLinear;
bool isExtended; // For extended color space.
};
static constexpr size_t kSupportedColorSpaceCount = 2;
static constexpr std::array<ColorSpaceInfo, kSupportedColorSpaceCount> ColorSpaceTable = {{
// sRGB,
// Got primary attributes from https://drafts.csswg.org/css-color/#predefined-sRGB
// Use matrices from
// http://www.brucelindbloom.com/index.html?Eqn_RGB_XYZ_Matrix.html#WSMatrices
// Get gamma-linear conversion params from https://en.wikipedia.org/wiki/SRGB with some
// mathematics.
{
//
ColorSpace::SRGB,
{{
//
0.4360747, 0.3850649, 0.1430804, //
0.2225045, 0.7168786, 0.0606169, //
0.0139322, 0.0971045, 0.7141733 //
}},
{{
//
3.1338561, -1.6168667, -0.4906146, //
-0.9787684, 1.9161415, 0.0334540, //
0.0719453, -0.2289914, 1.4052427 //
}},
// {G, A, B, C, D, E, F, }
{{2.4, 1.0 / 1.055, 0.055 / 1.055, 1.0 / 12.92, 4.045e-02, 0.0, 0.0}},
{{1.0 / 2.4, 1.13711 /*pow(1.055, 2.4)*/, 0.0, 12.92f, 3.1308e-03, -0.055, 0.0}},
true,
true //
},
// Display P3, got primary attributes from
// https://www.w3.org/TR/css-color-4/#valdef-color-display-p3
// Use equations found in
// http://www.brucelindbloom.com/index.html?Eqn_RGB_XYZ_Matrix.html,
// Use Bradford method to do D65 to D50 transform.
// Get matrices with help of http://www.russellcottrell.com/photo/matrixCalculator.htm
// Gamma-linear conversion params is the same as Srgb.
{
//
ColorSpace::DisplayP3,
{{
//
0.5151114, 0.2919612, 0.1571274, //
0.2411865, 0.6922440, 0.0665695, //
-0.0010491, 0.0418832, 0.7842659 //
}},
{{
//
2.4039872, -0.9898498, -0.3976181, //
-0.8422138, 1.7988188, 0.0160511, //
0.0481937, -0.0973889, 1.2736887 //
}},
// {G, A, B, C, D, E, F, }
{{2.4, 1.0 / 1.055, 0.055 / 1.055, 1.0 / 12.92, 4.045e-02, 0.0, 0.0}},
{{1.0 / 2.4, 1.13711 /*pow(1.055, 2.4)*/, 0.0, 12.92f, 3.1308e-03, -0.055, 0.0}},
true,
false //
}
//
}};
} // anonymous namespace
template <typename Parent>
class CopyTextureForBrowserTests : public Parent {
protected:
struct TextureSpec {
wgpu::Origin3D copyOrigin = {};
wgpu::Extent3D textureSize = {kDefaultTextureWidth, kDefaultTextureHeight};
uint32_t level = 0;
wgpu::TextureFormat format = kTextureFormat;
};
enum class TextureCopyRole {
SOURCE,
DEST,
};
// Source texture contains red pixels and dst texture contains green pixels at start.
static std::vector<RGBA8> GetTextureData(const utils::TextureDataCopyLayout& layout,
TextureCopyRole textureRole,
wgpu::AlphaOp alphaOp = wgpu::AlphaOp::DontChange) {
std::array<uint8_t, 4> alpha = {0, 102, 153, 255}; // 0.0, 0.4, 0.6, 1.0
std::vector<RGBA8> textureData(layout.texelBlockCount);
for (uint32_t layer = 0; layer < layout.mipSize.depthOrArrayLayers; ++layer) {
const uint32_t sliceOffset = layout.texelBlocksPerImage * layer;
for (uint32_t y = 0; y < layout.mipSize.height; ++y) {
const uint32_t rowOffset = layout.texelBlocksPerRow * y;
for (uint32_t x = 0; x < layout.mipSize.width; ++x) {
// Source textures will have variable pixel data to cover cases like
// flipY.
if (textureRole == TextureCopyRole::SOURCE) {
switch (alphaOp) {
case wgpu::AlphaOp::DontChange:
textureData[sliceOffset + rowOffset + x] = 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>(x % 256));
break;
case wgpu::AlphaOp::Premultiply:
// For premultiply alpha test cases, we expect each channel in dst
// texture will equal to the alpha channel value.
textureData[sliceOffset + rowOffset + x] = RGBA8(
static_cast<uint8_t>(255), static_cast<uint8_t>(255),
static_cast<uint8_t>(255), static_cast<uint8_t>(alpha[x % 4]));
break;
case wgpu::AlphaOp::Unpremultiply:
// For unpremultiply alpha test cases, we expect each channel in dst
// texture will equal to 1.0.
textureData[sliceOffset + rowOffset + x] =
RGBA8(static_cast<uint8_t>(alpha[x % 4]),
static_cast<uint8_t>(alpha[x % 4]),
static_cast<uint8_t>(alpha[x % 4]),
static_cast<uint8_t>(alpha[x % 4]));
break;
default:
UNREACHABLE();
break;
}
} else { // Dst textures will have be init as `green` to ensure subrect
// copy not cross bound.
textureData[sliceOffset + rowOffset + x] =
RGBA8(static_cast<uint8_t>(0), static_cast<uint8_t>(255),
static_cast<uint8_t>(0), static_cast<uint8_t>(255));
}
}
}
}
return textureData;
}
void SetUp() override {
Parent::SetUp();
pipeline = MakeTestPipeline();
uint32_t uniformBufferData[] = {
0, // copy have flipY option
4, // channelCount
0,
0, // uvec2, subrect copy src origin
0,
0, // uvec2, subrect copy dst origin
0,
0, // uvec2, subrect copy size
static_cast<uint32_t>(wgpu::AlphaOp::DontChange), // AlphaOp: DontChange
};
wgpu::BufferDescriptor uniformBufferDesc = {};
uniformBufferDesc.usage = wgpu::BufferUsage::CopyDst | wgpu::BufferUsage::Uniform;
uniformBufferDesc.size = sizeof(uniformBufferData);
uniformBuffer = this->device.CreateBuffer(&uniformBufferDesc);
}
// Do the bit-by-bit comparison between the source and destination texture with GPU (compute
// shader) instead of CPU after executing CopyTextureForBrowser() to avoid the errors caused by
// comparing a value generated on CPU to the one generated on GPU.
wgpu::ComputePipeline MakeTestPipeline() {
wgpu::ShaderModule csModule = utils::CreateShaderModule(this->device, R"(
struct Uniforms {
dstTextureFlipY : u32;
channelCount : u32;
srcCopyOrigin : vec2<u32>;
dstCopyOrigin : vec2<u32>;
copySize : vec2<u32>;
alphaOp : u32;
};
struct OutputBuf {
result : array<u32>;
};
[[group(0), binding(0)]] var src : texture_2d<f32>;
[[group(0), binding(1)]] var dst : texture_2d<f32>;
[[group(0), binding(2)]] var<storage, read_write> output : OutputBuf;
[[group(0), binding(3)]] var<uniform> uniforms : Uniforms;
fn aboutEqual(value : f32, expect : f32) -> bool {
// The value diff should be smaller than the hard coded tolerance.
return abs(value - expect) < 0.01;
}
[[stage(compute), workgroup_size(1, 1, 1)]]
fn main([[builtin(global_invocation_id)]] GlobalInvocationID : vec3<u32>) {
let srcSize = textureDimensions(src);
let dstSize = textureDimensions(dst);
let dstTexCoord = vec2<u32>(GlobalInvocationID.xy);
let nonCoveredColor = vec4<f32>(0.0, 1.0, 0.0, 1.0); // should be green
var success : bool = true;
if (dstTexCoord.x < uniforms.dstCopyOrigin.x ||
dstTexCoord.y < uniforms.dstCopyOrigin.y ||
dstTexCoord.x >= uniforms.dstCopyOrigin.x + uniforms.copySize.x ||
dstTexCoord.y >= uniforms.dstCopyOrigin.y + uniforms.copySize.y) {
success = success &&
all(textureLoad(dst, vec2<i32>(dstTexCoord), 0) == nonCoveredColor);
} else {
// Calculate source texture coord.
var srcTexCoord = dstTexCoord - uniforms.dstCopyOrigin +
uniforms.srcCopyOrigin;
// Note that |flipY| equals flip src texture firstly and then do copy from src
// subrect to dst subrect. This helps on blink part to handle some input texture
// which is flipped and need to unpack flip during the copy.
// We need to calculate the expect y coord based on this rule.
if (uniforms.dstTextureFlipY == 1u) {
srcTexCoord.y = u32(srcSize.y) - srcTexCoord.y - 1u;
}
var srcColor = textureLoad(src, vec2<i32>(srcTexCoord), 0);
var dstColor = textureLoad(dst, vec2<i32>(dstTexCoord), 0);
// Expect the dst texture channels should be all equal to alpha value
// after premultiply.
// TODO(crbug.com/1217153): if wgsl support `constexpr` and allow it
// to be case selector, Replace 0u/1u/2u with a constexpr variable with
// meaningful name.
switch(uniforms.alphaOp) {
case 0u: { // AlphaOp: DontChange
break;
}
case 1u: { // AlphaOp: Premultiply
srcColor = vec4<f32>(srcColor.rgb * srcColor.a, srcColor.a);
break;
}
case 2u: { // AlphaOp: Unpremultiply
if (srcColor.a != 0.0) {
srcColor = vec4<f32>(srcColor.rgb / srcColor.a, srcColor.a);
}
break;
}
default: {
break;
}
}
// Not use loop and variable index format to workaround
// crbug.com/tint/638.
switch(uniforms.channelCount) {
case 1u: {
success = success && aboutEqual(dstColor.r, srcColor.r);
break;
}
case 2u: {
success = success &&
aboutEqual(dstColor.r, srcColor.r) &&
aboutEqual(dstColor.g, srcColor.g);
break;
}
case 4u: {
success = success &&
aboutEqual(dstColor.r, srcColor.r) &&
aboutEqual(dstColor.g, srcColor.g) &&
aboutEqual(dstColor.b, srcColor.b) &&
aboutEqual(dstColor.a, srcColor.a);
break;
}
default: {
break;
}
}
}
let outputIndex = GlobalInvocationID.y * u32(dstSize.x) + GlobalInvocationID.x;
if (success) {
output.result[outputIndex] = 1u;
} else {
output.result[outputIndex] = 0u;
}
}
)");
wgpu::ComputePipelineDescriptor csDesc;
csDesc.compute.module = csModule;
csDesc.compute.entryPoint = "main";
return this->device.CreateComputePipeline(&csDesc);
}
static uint32_t GetTextureFormatComponentCount(wgpu::TextureFormat format) {
switch (format) {
case wgpu::TextureFormat::RGBA8Unorm:
case wgpu::TextureFormat::RGBA8UnormSrgb:
case wgpu::TextureFormat::BGRA8Unorm:
case wgpu::TextureFormat::BGRA8UnormSrgb:
case wgpu::TextureFormat::RGB10A2Unorm:
case wgpu::TextureFormat::RGBA16Float:
case wgpu::TextureFormat::RGBA32Float:
return 4;
case wgpu::TextureFormat::RG8Unorm:
case wgpu::TextureFormat::RG16Float:
case wgpu::TextureFormat::RG32Float:
return 2;
case wgpu::TextureFormat::R8Unorm:
case wgpu::TextureFormat::R16Float:
case wgpu::TextureFormat::R32Float:
return 1;
default:
UNREACHABLE();
}
}
wgpu::Texture CreateTexture(const TextureSpec& spec, wgpu::TextureUsage usage) {
// Create and initialize src texture.
wgpu::TextureDescriptor descriptor;
descriptor.size = spec.textureSize;
descriptor.format = spec.format;
descriptor.mipLevelCount = spec.level + 1;
descriptor.usage = usage;
wgpu::Texture texture = this->device.CreateTexture(&descriptor);
return texture;
}
wgpu::Texture CreateAndInitTexture(const TextureSpec& spec,
wgpu::TextureUsage usage,
utils::TextureDataCopyLayout copyLayout,
void const* init,
uint32_t initBytes) {
wgpu::Texture texture = CreateTexture(spec, usage);
wgpu::ImageCopyTexture imageTextureInit =
utils::CreateImageCopyTexture(texture, spec.level, {0, 0});
wgpu::TextureDataLayout textureDataLayout;
textureDataLayout.offset = 0;
textureDataLayout.bytesPerRow = copyLayout.bytesPerRow;
textureDataLayout.rowsPerImage = copyLayout.rowsPerImage;
this->device.GetQueue().WriteTexture(&imageTextureInit, init, initBytes, &textureDataLayout,
&copyLayout.mipSize);
return texture;
}
void RunCopyExternalImageToTexture(const TextureSpec& srcSpec,
wgpu::Texture srcTexture,
const TextureSpec& dstSpec,
wgpu::Texture dstTexture,
const wgpu::Extent3D& copySize,
const wgpu::CopyTextureForBrowserOptions options) {
wgpu::ImageCopyTexture srcImageCopyTexture =
utils::CreateImageCopyTexture(srcTexture, srcSpec.level, srcSpec.copyOrigin);
wgpu::ImageCopyTexture dstImageCopyTexture =
utils::CreateImageCopyTexture(dstTexture, dstSpec.level, dstSpec.copyOrigin);
this->device.GetQueue().CopyTextureForBrowser(&srcImageCopyTexture, &dstImageCopyTexture,
&copySize, &options);
}
void CheckResultInBuiltInComputePipeline(const TextureSpec& srcSpec,
wgpu::Texture srcTexture,
const TextureSpec& dstSpec,
wgpu::Texture dstTexture,
const wgpu::Extent3D& copySize,
const wgpu::CopyTextureForBrowserOptions options) {
// Update uniform buffer based on test config
uint32_t uniformBufferData[] = {
options.flipY, // copy have flipY option
GetTextureFormatComponentCount(dstSpec.format), // channelCount
srcSpec.copyOrigin.x,
srcSpec.copyOrigin.y, // src texture copy origin
dstSpec.copyOrigin.x,
dstSpec.copyOrigin.y, // dst texture copy origin
copySize.width,
copySize.height, // copy size
static_cast<uint32_t>(options.alphaOp) // alphaOp
};
this->device.GetQueue().WriteBuffer(uniformBuffer, 0, uniformBufferData,
sizeof(uniformBufferData));
// Create output buffer to store result
wgpu::BufferDescriptor outputDesc;
outputDesc.size = dstSpec.textureSize.width * dstSpec.textureSize.height * sizeof(uint32_t);
outputDesc.usage =
wgpu::BufferUsage::Storage | wgpu::BufferUsage::CopySrc | wgpu::BufferUsage::CopyDst;
wgpu::Buffer outputBuffer = this->device.CreateBuffer(&outputDesc);
// Create texture views for test.
wgpu::TextureViewDescriptor srcTextureViewDesc = {};
srcTextureViewDesc.baseMipLevel = srcSpec.level;
wgpu::TextureView srcTextureView = srcTexture.CreateView(&srcTextureViewDesc);
wgpu::TextureViewDescriptor dstTextureViewDesc = {};
dstTextureViewDesc.baseMipLevel = dstSpec.level;
wgpu::TextureView dstTextureView = dstTexture.CreateView(&dstTextureViewDesc);
// Create bind group based on the config.
wgpu::BindGroup bindGroup = utils::MakeBindGroup(
this->device, pipeline.GetBindGroupLayout(0),
{{0, srcTextureView}, {1, dstTextureView}, {2, outputBuffer}, {3, uniformBuffer}});
// Start a pipeline to check pixel value in bit form.
wgpu::CommandEncoder testEncoder = this->device.CreateCommandEncoder();
wgpu::CommandBuffer testCommands;
{
wgpu::CommandEncoder encoder = this->device.CreateCommandEncoder();
wgpu::ComputePassEncoder pass = encoder.BeginComputePass();
pass.SetPipeline(pipeline);
pass.SetBindGroup(0, bindGroup);
pass.Dispatch(dstSpec.textureSize.width,
dstSpec.textureSize.height); // Verify dst texture content
pass.EndPass();
testCommands = encoder.Finish();
}
this->device.GetQueue().Submit(1, &testCommands);
std::vector<uint32_t> expectResult(dstSpec.textureSize.width * dstSpec.textureSize.height,
1);
EXPECT_BUFFER_U32_RANGE_EQ(expectResult.data(), outputBuffer, 0,
dstSpec.textureSize.width * dstSpec.textureSize.height);
}
void DoTest(const TextureSpec& srcSpec,
const TextureSpec& dstSpec,
const wgpu::Extent3D& copySize = {kDefaultTextureWidth, kDefaultTextureHeight},
const wgpu::CopyTextureForBrowserOptions options = {}) {
// Create and initialize src texture.
const utils::TextureDataCopyLayout srcCopyLayout =
utils::GetTextureDataCopyLayoutForTextureAtLevel(
kTextureFormat,
{srcSpec.textureSize.width, srcSpec.textureSize.height,
copySize.depthOrArrayLayers},
srcSpec.level);
std::vector<RGBA8> srcTextureArrayCopyData =
GetTextureData(srcCopyLayout, TextureCopyRole::SOURCE, options.alphaOp);
wgpu::TextureUsage srcUsage = wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::CopyDst |
wgpu::TextureUsage::TextureBinding;
wgpu::Texture srcTexture =
CreateAndInitTexture(srcSpec, srcUsage, srcCopyLayout, srcTextureArrayCopyData.data(),
srcTextureArrayCopyData.size() * sizeof(RGBA8));
bool testSubRectCopy = srcSpec.copyOrigin.x > 0 || srcSpec.copyOrigin.y > 0 ||
dstSpec.copyOrigin.x > 0 || dstSpec.copyOrigin.y > 0 ||
srcSpec.textureSize.width > copySize.width ||
srcSpec.textureSize.height > copySize.height ||
dstSpec.textureSize.width > copySize.width ||
dstSpec.textureSize.height > copySize.height;
// Create and init dst texture.
wgpu::Texture dstTexture;
wgpu::TextureUsage dstUsage =
wgpu::TextureUsage::CopyDst | wgpu::TextureUsage::TextureBinding |
wgpu::TextureUsage::RenderAttachment | wgpu::TextureUsage::CopySrc;
if (testSubRectCopy) {
// For subrect copy tests, dst texture use kTextureFormat always.
const utils::TextureDataCopyLayout dstCopyLayout =
utils::GetTextureDataCopyLayoutForTextureAtLevel(
kTextureFormat,
{dstSpec.textureSize.width, dstSpec.textureSize.height,
copySize.depthOrArrayLayers},
dstSpec.level);
const std::vector<RGBA8> dstTextureArrayCopyData =
GetTextureData(dstCopyLayout, TextureCopyRole::DEST);
dstTexture = CreateAndInitTexture(dstSpec, dstUsage, dstCopyLayout,
dstTextureArrayCopyData.data(),
dstTextureArrayCopyData.size() * sizeof(RGBA8));
} else {
dstTexture = CreateTexture(dstSpec, dstUsage);
}
// Perform the texture to texture copy
RunCopyExternalImageToTexture(srcSpec, srcTexture, dstSpec, dstTexture, copySize, options);
// Check Result
CheckResultInBuiltInComputePipeline(srcSpec, srcTexture, dstSpec, dstTexture, copySize,
options);
}
wgpu::Buffer uniformBuffer;
wgpu::ComputePipeline pipeline;
};
class CopyTextureForBrowser_Basic : public CopyTextureForBrowserTests<DawnTest> {
protected:
void DoBasicCopyTest(const wgpu::Extent3D& copySize,
const wgpu::CopyTextureForBrowserOptions options = {}) {
TextureSpec textureSpec;
textureSpec.textureSize = copySize;
DoTest(textureSpec, textureSpec, copySize, options);
}
};
class CopyTextureForBrowser_Formats
: public CopyTextureForBrowserTests<DawnTestWithParams<FormatTestParams>> {
protected:
bool IsDstFormatSrgbFormats() {
return GetParam().mDstFormat == wgpu::TextureFormat::RGBA8UnormSrgb ||
GetParam().mDstFormat == wgpu::TextureFormat::BGRA8UnormSrgb;
}
void DoColorConversionTest() {
TextureSpec srcTextureSpec;
srcTextureSpec.format = GetParam().mSrcFormat;
TextureSpec dstTextureSpec;
dstTextureSpec.format = GetParam().mDstFormat;
wgpu::Extent3D copySize = {kDefaultTextureWidth, kDefaultTextureHeight};
wgpu::CopyTextureForBrowserOptions options = {};
// Create and init source texture.
// This fixed source texture data is for color conversion tests.
// The source data can fill a texture in default width and height.
std::vector<RGBA8> srcTextureArrayCopyData{
// Take RGBA8Unorm as example:
// R channel has different values
RGBA8(0, 255, 255, 255), // r = 0.0
RGBA8(102, 255, 255, 255), // r = 0.4
RGBA8(153, 255, 255, 255), // r = 0.6
// G channel has different values
RGBA8(255, 0, 255, 255), // g = 0.0
RGBA8(255, 102, 255, 255), // g = 0.4
RGBA8(255, 153, 255, 255), // g = 0.6
// B channel has different values
RGBA8(255, 255, 0, 255), // b = 0.0
RGBA8(255, 255, 102, 255), // b = 0.4
RGBA8(255, 255, 153, 255), // b = 0.6
// A channel set to 0
RGBA8(255, 255, 255, 0) // a = 0
};
const utils::TextureDataCopyLayout srcCopyLayout =
utils::GetTextureDataCopyLayoutForTextureAtLevel(
kTextureFormat,
{srcTextureSpec.textureSize.width, srcTextureSpec.textureSize.height,
copySize.depthOrArrayLayers},
srcTextureSpec.level);
wgpu::TextureUsage srcUsage = wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::CopyDst |
wgpu::TextureUsage::TextureBinding;
wgpu::Texture srcTexture = CreateAndInitTexture(
srcTextureSpec, srcUsage, srcCopyLayout, srcTextureArrayCopyData.data(),
srcTextureArrayCopyData.size() * sizeof(RGBA8));
// Create dst texture.
wgpu::Texture dstTexture = CreateTexture(
dstTextureSpec, wgpu::TextureUsage::CopyDst | wgpu::TextureUsage::TextureBinding |
wgpu::TextureUsage::RenderAttachment | wgpu::TextureUsage::CopySrc);
// Perform the texture to texture copy
RunCopyExternalImageToTexture(srcTextureSpec, srcTexture, dstTextureSpec, dstTexture,
copySize, options);
// Check Result
CheckResultInBuiltInComputePipeline(srcTextureSpec, srcTexture, dstTextureSpec, dstTexture,
copySize, options);
}
};
class CopyTextureForBrowser_SubRects
: public CopyTextureForBrowserTests<DawnTestWithParams<SubRectTestParams>> {
protected:
void DoCopySubRectTest() {
TextureSpec srcTextureSpec;
srcTextureSpec.copyOrigin = GetParam().mSrcOrigin;
srcTextureSpec.textureSize = {6, 7};
TextureSpec dstTextureSpec;
dstTextureSpec.copyOrigin = GetParam().mDstOrigin;
dstTextureSpec.textureSize = {8, 5};
wgpu::CopyTextureForBrowserOptions options = {};
options.flipY = GetParam().mFlipY;
wgpu::Extent3D copySize = GetParam().mCopySize;
DoTest(srcTextureSpec, dstTextureSpec, copySize, options);
}
};
class CopyTextureForBrowser_AlphaOps
: public CopyTextureForBrowserTests<DawnTestWithParams<AlphaTestParams>> {
protected:
void DoAlphaOpTest() {
constexpr uint32_t kWidth = 10;
constexpr uint32_t kHeight = 10;
TextureSpec textureSpec;
textureSpec.textureSize = {kWidth, kHeight};
wgpu::CopyTextureForBrowserOptions options = {};
options.alphaOp = GetParam().mAlpha;
DoTest(textureSpec, textureSpec, {kWidth, kHeight}, options);
}
};
class CopyTextureForBrowser_ColorSpace
: public CopyTextureForBrowserTests<DawnTestWithParams<ColorSpaceTestParams>> {
protected:
const ColorSpaceInfo& GetColorSpaceInfo(ColorSpace colorSpace) {
uint32_t index = static_cast<uint32_t>(colorSpace);
ASSERT(index < ColorSpaceTable.size());
ASSERT(ColorSpaceTable[index].index == colorSpace);
return ColorSpaceTable[index];
}
std::array<float, 9> GetConversionMatrix(ColorSpace src, ColorSpace dst) {
const ColorSpaceInfo& srcColorSpace = GetColorSpaceInfo(src);
const ColorSpaceInfo& dstColorSpace = GetColorSpaceInfo(dst);
const std::array<float, 9> toXYZD50 = srcColorSpace.toXYZD50;
const std::array<float, 9> fromXYZD50 = dstColorSpace.fromXYZD50;
// Fuse the transform matrix. The color space transformation equation is:
// Pixels = fromXYZD50 * toXYZD50 * Pixels.
// Calculate fromXYZD50 * toXYZD50 to simplify
// Add a padding in each row for Mat3x3 in wgsl uniform(mat3x3, Align(16), Size(48)).
std::array<float, 9> fuseMatrix = {};
// Mat3x3 * Mat3x3
for (uint32_t row = 0; row < 3; ++row) {
for (uint32_t col = 0; col < 3; ++col) {
// Transpose the matrix from row major to column major for wgsl.
fuseMatrix[col * 3 + row] = fromXYZD50[row * 3 + 0] * toXYZD50[col] +
fromXYZD50[row * 3 + 1] * toXYZD50[3 + col] +
fromXYZD50[row * 3 + 2] * toXYZD50[3 * 2 + col];
}
}
return fuseMatrix;
}
// TODO(crbug.com/dawn/1140): Generate source data automatically.
std::vector<RGBA8> GetSourceData(wgpu::AlphaMode srcTextureAlphaMode) {
if (srcTextureAlphaMode == wgpu::AlphaMode::Premultiplied) {
return std::vector<RGBA8>{
RGBA8(0, 102, 102, 102), // a = 0.4
RGBA8(102, 0, 0, 102), // a = 0.4
RGBA8(153, 0, 0, 153), // a = 0.6
RGBA8(255, 0, 0, 255), // a = 1.0
RGBA8(153, 0, 153, 153), // a = 0.6
RGBA8(0, 102, 0, 102), // a = 0.4
RGBA8(0, 153, 0, 153), // a = 0.6
RGBA8(0, 255, 0, 255), // a = 1.0
RGBA8(255, 255, 0, 255), // a = 1.0
RGBA8(0, 0, 102, 102), // a = 0.4
RGBA8(0, 0, 153, 153), // a = 0.6
RGBA8(0, 0, 255, 255), // a = 1.0
};
}
return std::vector<RGBA8>{
// Take RGBA8Unorm as example:
// R channel has different values
RGBA8(0, 255, 255, 255), // r = 0.0
RGBA8(102, 0, 0, 255), // r = 0.4
RGBA8(153, 0, 0, 255), // r = 0.6
RGBA8(255, 0, 0, 255), // r = 1.0
// G channel has different values
RGBA8(255, 0, 255, 255), // g = 0.0
RGBA8(0, 102, 0, 255), // g = 0.4
RGBA8(0, 153, 0, 255), // g = 0.6
RGBA8(0, 255, 0, 255), // g = 1.0
// B channel has different values
RGBA8(255, 255, 0, 255), // b = 0.0
RGBA8(0, 0, 102, 255), // b = 0.4
RGBA8(0, 0, 153, 255), // b = 0.6
RGBA8(0, 0, 255, 255), // b = 1.0
};
}
// TODO(crbug.com/dawn/1140): Current expected values are from ColorSync utils
// tool on Mac. Should implement CPU or compute shader algorithm to do color
// conversion and use the result as expected data.
std::vector<float> GetExpectedData(ColorSpace srcColorSpace,
ColorSpace dstColorSpace,
wgpu::AlphaMode srcTextureAlphaMode,
wgpu::AlphaMode dstTextureAlphaMode) {
if (srcTextureAlphaMode == wgpu::AlphaMode::Premultiplied) {
return GetExpectedDataForPremultipliedSource(srcColorSpace, dstColorSpace,
dstTextureAlphaMode);
}
return GetExpectedDataForSeperateSource(srcColorSpace, dstColorSpace);
}
std::vector<float> GeneratePremultipliedResult(std::vector<float> result) {
// Four channels per pixel
for (uint32_t i = 0; i < result.size(); i += 4) {
result[i] *= result[i + 3];
result[i + 1] *= result[i + 3];
result[i + 2] *= result[i + 3];
}
return result;
}
std::vector<float> GetExpectedDataForPremultipliedSource(ColorSpace srcColorSpace,
ColorSpace dstColorSpace,
wgpu::AlphaMode dstTextureAlphaMode) {
if (srcColorSpace == dstColorSpace) {
std::vector<float> expected = {
0.0, 1.0, 1.0, 0.4, //
1.0, 0.0, 0.0, 0.4, //
1.0, 0.0, 0.0, 0.6, //
1.0, 0.0, 0.0, 1.0, //
1.0, 0.0, 1.0, 0.6, //
0.0, 1.0, 0.0, 0.4, //
0.0, 1.0, 0.0, 0.6, //
0.0, 1.0, 0.0, 1.0, //
1.0, 1.0, 0.0, 1.0, //
0.0, 0.0, 1.0, 0.4, //
0.0, 0.0, 1.0, 0.6, //
0.0, 0.0, 1.0, 1.0, //
};
return dstTextureAlphaMode == wgpu::AlphaMode::Premultiplied
? GeneratePremultipliedResult(expected)
: expected;
}
switch (srcColorSpace) {
case ColorSpace::DisplayP3: {
switch (dstColorSpace) {
case ColorSpace::SRGB: {
std::vector<float> expected = {
-0.5118, 1.0183, 1.0085, 0.4, //
1.093, -0.2267, -0.1501, 0.4, //
1.093, -0.2267, -0.1501, 0.6, //
1.093, -0.2267, -0.1501, 1.0, //
1.093, -0.2266, 1.0337, 0.6, //
-0.5118, 1.0183, -0.3107, 0.4, //
-0.5118, 1.0183, -0.3107, 0.6, //
-0.5118, 1.0183, -0.3107, 1.0, //
0.9999, 1.0001, -0.3462, 1.0, //
0.0002, 0.0004, 1.0419, 0.4, //
0.0002, 0.0004, 1.0419, 0.6, //
0.0002, 0.0004, 1.0419, 1.0, //
};
return dstTextureAlphaMode == wgpu::AlphaMode::Premultiplied
? GeneratePremultipliedResult(expected)
: expected;
}
default:
UNREACHABLE();
}
}
default:
break;
}
UNREACHABLE();
}
std::vector<float> GetExpectedDataForSeperateSource(ColorSpace srcColorSpace,
ColorSpace dstColorSpace) {
if (srcColorSpace == dstColorSpace) {
return std::vector<float>{
0.0, 1.0, 1.0, 1.0, //
0.4, 0.0, 0.0, 1.0, //
0.6, 0.0, 0.0, 1.0, //
1.0, 0.0, 0.0, 1.0, //
1.0, 0.0, 1.0, 1.0, //
0.0, 0.4, 0.0, 1.0, //
0.0, 0.6, 0.0, 1.0, //
0.0, 1.0, 0.0, 1.0, //
1.0, 1.0, 0.0, 1.0, //
0.0, 0.0, 0.4, 1.0, //
0.0, 0.0, 0.6, 1.0, //
0.0, 0.0, 1.0, 1.0, //
};
}
switch (srcColorSpace) {
case ColorSpace::DisplayP3: {
switch (dstColorSpace) {
case ColorSpace::SRGB: {
return std::vector<float>{
-0.5118, 1.0183, 1.0085, 1.0, //
0.4401, -0.0665, -0.0337, 1.0, //
0.6578, -0.1199, -0.0723, 1.0, //
1.093, -0.2267, -0.1501, 1.0, //
1.093, -0.2266, 1.0337, 1.0, //
-0.1894, 0.4079, -0.1027, 1.0, //
-0.2969, 0.6114, -0.1720, 1.0, //
-0.5118, 1.0183, -0.3107, 1.0, //
0.9999, 1.0001, -0.3462, 1.0, //
0.0000, 0.0001, 0.4181, 1.0, //
0.0001, 0.0001, 0.6260, 1.0, //
0.0002, 0.0004, 1.0419, 1.0, //
};
}
default:
UNREACHABLE();
}
}
default:
break;
}
UNREACHABLE();
}
void DoColorSpaceConversionTest() {
constexpr uint32_t kWidth = 12;
constexpr uint32_t kHeight = 1;
TextureSpec srcTextureSpec;
srcTextureSpec.textureSize = {kWidth, kHeight};
TextureSpec dstTextureSpec;
dstTextureSpec.textureSize = {kWidth, kHeight};
dstTextureSpec.format = GetParam().mDstFormat;
ColorSpace srcColorSpace = GetParam().mSrcColorSpace;
ColorSpace dstColorSpace = GetParam().mDstColorSpace;
ColorSpaceInfo srcColorSpaceInfo = GetColorSpaceInfo(srcColorSpace);
ColorSpaceInfo dstColorSpaceInfo = GetColorSpaceInfo(dstColorSpace);
std::array<float, 9> matrix = GetConversionMatrix(srcColorSpace, dstColorSpace);
wgpu::CopyTextureForBrowserOptions options = {};
options.needsColorSpaceConversion = srcColorSpace != dstColorSpace;
options.srcAlphaMode = GetParam().mSrcAlphaMode;
options.srcTransferFunctionParameters = srcColorSpaceInfo.gammaDecodingParams.data();
options.conversionMatrix = matrix.data();
options.dstTransferFunctionParameters = dstColorSpaceInfo.gammaEncodingParams.data();
options.dstAlphaMode = GetParam().mDstAlphaMode;
std::vector<RGBA8> sourceTextureData = GetSourceData(options.srcAlphaMode);
const wgpu::Extent3D& copySize = {kWidth, kHeight};
const utils::TextureDataCopyLayout srcCopyLayout =
utils::GetTextureDataCopyLayoutForTextureAtLevel(
kTextureFormat,
{srcTextureSpec.textureSize.width, srcTextureSpec.textureSize.height},
srcTextureSpec.level);
wgpu::TextureUsage srcUsage = wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::CopyDst |
wgpu::TextureUsage::TextureBinding;
wgpu::Texture srcTexture = this->CreateAndInitTexture(
srcTextureSpec, srcUsage, srcCopyLayout, sourceTextureData.data(),
sourceTextureData.size() * sizeof(RGBA8));
// Create dst texture.
wgpu::Texture dstTexture = this->CreateTexture(
dstTextureSpec, wgpu::TextureUsage::CopyDst | wgpu::TextureUsage::TextureBinding |
wgpu::TextureUsage::RenderAttachment | wgpu::TextureUsage::CopySrc);
// Perform the texture to texture copy
this->RunCopyExternalImageToTexture(srcTextureSpec, srcTexture, dstTextureSpec, dstTexture,
copySize, options);
std::vector<float> expectedData = GetExpectedData(
srcColorSpace, dstColorSpace, options.srcAlphaMode, options.dstAlphaMode);
// The value provided by Apple's ColorSync Utility.
float tolerance = 0.001;
if (dstTextureSpec.format == wgpu::TextureFormat::RGBA16Float) {
EXPECT_TEXTURE_FLOAT16_EQ(expectedData.data(), dstTexture, {0, 0}, {kWidth, kHeight},
dstTextureSpec.format, tolerance);
} else {
EXPECT_TEXTURE_EQ(expectedData.data(), dstTexture, {0, 0}, {kWidth, kHeight},
dstTextureSpec.format, tolerance);
}
}
};
// Verify CopyTextureForBrowserTests works with internal pipeline.
// The case do copy without any transform.
TEST_P(CopyTextureForBrowser_Basic, PassthroughCopy) {
// TODO(crbug.com/dawn/1232): Program link error on OpenGLES backend
DAWN_SUPPRESS_TEST_IF(IsOpenGLES());
DAWN_SUPPRESS_TEST_IF(IsOpenGL() && IsLinux());
DoBasicCopyTest({10, 1});
}
TEST_P(CopyTextureForBrowser_Basic, VerifyCopyOnXDirection) {
// TODO(crbug.com/dawn/1232): Program link error on OpenGLES backend
DAWN_SUPPRESS_TEST_IF(IsOpenGLES());
DAWN_SUPPRESS_TEST_IF(IsOpenGL() && IsLinux());
DoBasicCopyTest({1000, 1});
}
TEST_P(CopyTextureForBrowser_Basic, VerifyCopyOnYDirection) {
// TODO(crbug.com/dawn/1232): Program link error on OpenGLES backend
DAWN_SUPPRESS_TEST_IF(IsOpenGLES());
DAWN_SUPPRESS_TEST_IF(IsOpenGL() && IsLinux());
DoBasicCopyTest({1, 1000});
}
TEST_P(CopyTextureForBrowser_Basic, VerifyCopyFromLargeTexture) {
// TODO(crbug.com/dawn/1232): Program link error on OpenGLES backend
DAWN_SUPPRESS_TEST_IF(IsOpenGLES());
DAWN_SUPPRESS_TEST_IF(IsOpenGL() && IsLinux());
// TODO(crbug.com/dawn/1070): Flaky VK_DEVICE_LOST
DAWN_SUPPRESS_TEST_IF(IsWindows() && IsVulkan() && IsIntel());
DoBasicCopyTest({899, 999});
}
TEST_P(CopyTextureForBrowser_Basic, VerifyFlipY) {
// TODO(crbug.com/dawn/1232): Program link error on OpenGLES backend
DAWN_SUPPRESS_TEST_IF(IsOpenGLES());
DAWN_SUPPRESS_TEST_IF(IsOpenGL() && IsLinux());
wgpu::CopyTextureForBrowserOptions options = {};
options.flipY = true;
DoBasicCopyTest({901, 1001}, options);
}
TEST_P(CopyTextureForBrowser_Basic, VerifyFlipYInSlimTexture) {
// TODO(crbug.com/dawn/1232): Program link error on OpenGLES backend
DAWN_SUPPRESS_TEST_IF(IsOpenGLES());
DAWN_SUPPRESS_TEST_IF(IsOpenGL() && IsLinux());
wgpu::CopyTextureForBrowserOptions options = {};
options.flipY = true;
DoBasicCopyTest({1, 1001}, options);
}
DAWN_INSTANTIATE_TEST(CopyTextureForBrowser_Basic,
D3D12Backend(),
MetalBackend(),
OpenGLBackend(),
OpenGLESBackend(),
VulkanBackend());
// Verify |CopyTextureForBrowser| doing color conversion correctly when
// the source texture is RGBA8Unorm format.
TEST_P(CopyTextureForBrowser_Formats, ColorConversion) {
// Skip OpenGLES backend because it fails on using RGBA8Unorm as
// source texture format.
DAWN_SUPPRESS_TEST_IF(IsOpenGLES());
DAWN_SUPPRESS_TEST_IF(IsOpenGL() && IsLinux());
// Skip OpenGL backend on linux because it fails on using *-srgb format as
// dst texture format
DAWN_SUPPRESS_TEST_IF(IsOpenGL() && IsLinux() && IsDstFormatSrgbFormats());
DoColorConversionTest();
}
DAWN_INSTANTIATE_TEST_P(
CopyTextureForBrowser_Formats,
{D3D12Backend(), MetalBackend(), OpenGLBackend(), OpenGLESBackend(), VulkanBackend()},
std::vector<wgpu::TextureFormat>({wgpu::TextureFormat::RGBA8Unorm,
wgpu::TextureFormat::BGRA8Unorm}),
std::vector<wgpu::TextureFormat>(
{wgpu::TextureFormat::R8Unorm, wgpu::TextureFormat::R16Float, wgpu::TextureFormat::R32Float,
wgpu::TextureFormat::RG8Unorm, wgpu::TextureFormat::RG16Float,
wgpu::TextureFormat::RG32Float, wgpu::TextureFormat::RGBA8Unorm,
wgpu::TextureFormat::BGRA8Unorm, wgpu::TextureFormat::RGB10A2Unorm,
wgpu::TextureFormat::RGBA16Float, wgpu::TextureFormat::RGBA32Float}));
// Verify |CopyTextureForBrowser| doing subrect copy.
// Source texture is a full red texture and dst texture is a full
// green texture originally. After the subrect copy, affected part
// in dst texture should be red and other part should remain green.
TEST_P(CopyTextureForBrowser_SubRects, CopySubRect) {
// TODO(crbug.com/dawn/1232): Program link error on OpenGLES backend
DAWN_SUPPRESS_TEST_IF(IsOpenGLES());
DAWN_SUPPRESS_TEST_IF(IsOpenGL() && IsLinux());
// Tests skip due to crbug.com/dawn/592.
DAWN_SUPPRESS_TEST_IF(IsD3D12() && IsBackendValidationEnabled());
// Tests skip due to crbug.com/dawn/1104.
DAWN_SUPPRESS_TEST_IF(IsWARP());
DoCopySubRectTest();
}
DAWN_INSTANTIATE_TEST_P(CopyTextureForBrowser_SubRects,
{D3D12Backend(), MetalBackend(), OpenGLBackend(), OpenGLESBackend(),
VulkanBackend()},
std::vector<wgpu::Origin3D>({{1, 1}, {1, 2}, {2, 1}}),
std::vector<wgpu::Origin3D>({{1, 1}, {1, 2}, {2, 1}}),
std::vector<wgpu::Extent3D>({{1, 1}, {2, 1}, {1, 2}, {2, 2}}),
std::vector<bool>({true, false}));
// Verify |CopyTextureForBrowser| doing alphaOp.
// Test alpha ops: DontChange, Premultiply, Unpremultiply.
TEST_P(CopyTextureForBrowser_AlphaOps, alphaOp) {
// Skip OpenGLES backend because it fails on using RGBA8Unorm as
// source texture format.
// TODO(crbug.com/dawn/1232): Program link error on OpenGLES backend
DAWN_SUPPRESS_TEST_IF(IsOpenGLES());
DAWN_SUPPRESS_TEST_IF(IsOpenGL() && IsLinux());
// Tests skip due to crbug.com/dawn/1104.
DAWN_SUPPRESS_TEST_IF(IsWARP());
DoAlphaOpTest();
}
DAWN_INSTANTIATE_TEST_P(
CopyTextureForBrowser_AlphaOps,
{D3D12Backend(), MetalBackend(), OpenGLBackend(), OpenGLESBackend(), VulkanBackend()},
std::vector<wgpu::AlphaOp>({wgpu::AlphaOp::DontChange, wgpu::AlphaOp::Premultiply,
wgpu::AlphaOp::Unpremultiply}));
// Verify |CopyTextureForBrowser| doing color space conversion.
TEST_P(CopyTextureForBrowser_ColorSpace, colorSpaceConversion) {
// TODO(crbug.com/dawn/1232): Program link error on OpenGLES backend
DAWN_SUPPRESS_TEST_IF(IsOpenGLES());
DAWN_SUPPRESS_TEST_IF(IsOpenGL() && IsLinux());
// Tests skip due to crbug.com/dawn/1104.
DAWN_SUPPRESS_TEST_IF(IsWARP());
DoColorSpaceConversionTest();
}
DAWN_INSTANTIATE_TEST_P(CopyTextureForBrowser_ColorSpace,
{D3D12Backend(), MetalBackend(), OpenGLBackend(), OpenGLESBackend(),
VulkanBackend()},
std::vector<wgpu::TextureFormat>({wgpu::TextureFormat::RGBA16Float,
wgpu::TextureFormat::RGBA32Float}),
std::vector<ColorSpace>({ColorSpace::SRGB, ColorSpace::DisplayP3}),
std::vector<ColorSpace>({ColorSpace::SRGB}),
std::vector<wgpu::AlphaMode>({wgpu::AlphaMode::Premultiplied,
wgpu::AlphaMode::Unpremultiplied}),
std::vector<wgpu::AlphaMode>({wgpu::AlphaMode::Premultiplied,
wgpu::AlphaMode::Unpremultiplied}));