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Remove AlphaOp 

CopyTextureForBrowserOptions deprecated AlphaOp after supporting
color space conversion. AlphaMode for src and dst is the replacement.

Bug: dawn:1140
Change-Id: Id507bd7525d74be8a12d212b92cc22f0c7bc94b7
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/73141
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Shaobo Yan <shaobo.yan@intel.com>
This commit is contained in:
Yan 2021-12-17 03:49:48 +00:00 committed by Dawn LUCI CQ
parent d3c8f6b8ec
commit 36e86ee778
3 changed files with 52 additions and 80 deletions
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10
dawn.json
View File

@ -855,15 +855,6 @@
{"name": "compute", "type": "programmable stage descriptor"}
]
},
"alpha op": {
"category": "enum",
"tags": ["deprecated"],
"values": [
{"value": 0, "name": "dont change"},
{"value": 1, "name": "premultiply"},
{"value": 2, "name": "unpremultiply"}
]
},
"alpha mode": {
"category": "enum",
"tags": ["dawn"],
@ -879,7 +870,6 @@
"_TODO": "support number as length input",
"members": [
{"name": "flip y", "type": "bool", "default": "false"},
{"name": "alpha op", "type": "alpha op", "default": "dont change", "tags": ["deprecated"]},
{"name": "needs color space conversion", "type": "bool", "default": "false"},
{"name": "src alpha mode", "type": "alpha mode", "default": "unpremultiplied"},
{"name": "src transfer function parameters", "type": "float", "annotation": "const*",

15
src/dawn_native/CopyTextureForBrowserHelper.cpp
View File

@ -348,8 +348,6 @@ namespace dawn_native {
DAWN_INVALID_IF(options->nextInChain != nullptr, "nextInChain must be nullptr");
// TODO(crbug.com/dawn/1140): Remove alphaOp and wgpu::AlphaState::DontChange.
DAWN_TRY(ValidateAlphaOp(options->alphaOp));
DAWN_TRY(ValidateAlphaMode(options->srcAlphaMode));
DAWN_TRY(ValidateAlphaMode(options->dstAlphaMode));
@ -472,19 +470,6 @@ namespace dawn_native {
}
}
if (options->alphaOp != wgpu::AlphaOp::DontChange) {
dawn::WarningLog() << "CopyTextureForBrowserOption.alphaOp has been deprecated.";
}
// TODO(crbugs.com/dawn/1140): AlphaOp will be deprecated
if (options->alphaOp == wgpu::AlphaOp::Premultiply) {
stepsMask |= kPremultiplyStep;
}
if (options->alphaOp == wgpu::AlphaOp::Unpremultiply) {
stepsMask |= kUnpremultiplyStep;
}
uniformData.stepsMask = stepsMask;
Ref<BufferBase> uniformBuffer;

99
src/tests/end2end/CopyTextureForBrowserTests.cpp
View File

@ -33,9 +33,6 @@ namespace {
DisplayP3 = 0x01,
};
using Alpha = wgpu::AlphaOp;
DAWN_TEST_PARAM_STRUCT(AlphaTestParams, Alpha);
using SrcFormat = wgpu::TextureFormat;
using DstFormat = wgpu::TextureFormat;
using SrcOrigin = wgpu::Origin3D;
@ -62,6 +59,7 @@ namespace {
return o;
}
DAWN_TEST_PARAM_STRUCT(AlphaTestParams, SrcAlphaMode, DstAlphaMode);
DAWN_TEST_PARAM_STRUCT(FormatTestParams, SrcFormat, DstFormat);
DAWN_TEST_PARAM_STRUCT(SubRectTestParams, SrcOrigin, DstOrigin, CopySize, FlipY);
DAWN_TEST_PARAM_STRUCT(ColorSpaceTestParams,
@ -167,9 +165,11 @@ class CopyTextureForBrowserTests : public Parent {
};
// Source texture contains red pixels and dst texture contains green pixels at start.
static std::vector<RGBA8> GetTextureData(const utils::TextureDataCopyLayout& layout,
static std::vector<RGBA8> GetTextureData(
const utils::TextureDataCopyLayout& layout,
TextureCopyRole textureRole,
wgpu::AlphaOp alphaOp = wgpu::AlphaOp::DontChange) {
wgpu::AlphaMode srcAlphaMode = wgpu::AlphaMode::Premultiplied,
wgpu::AlphaMode dstAlphaMode = wgpu::AlphaMode::Unpremultiplied) {
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) {
@ -180,32 +180,30 @@ class CopyTextureForBrowserTests : public Parent {
// 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:
if (srcAlphaMode != dstAlphaMode) {
if (dstAlphaMode == wgpu::AlphaMode::Premultiplied) {
// For premultiply alpha test cases, we expect each channel in dst
// texture will equal to the alpha channel value.
ASSERT(srcAlphaMode == wgpu::AlphaMode::Unpremultiplied);
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:
} else {
// For unpremultiply alpha test cases, we expect each channel in dst
// texture will equal to 1.0.
ASSERT(srcAlphaMode == wgpu::AlphaMode::Premultiplied);
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 {
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));
}
} else { // Dst textures will have be init as `green` to ensure subrect
// copy not cross bound.
@ -233,7 +231,8 @@ class CopyTextureForBrowserTests : public Parent {
0, // uvec2, subrect copy dst origin
0,
0, // uvec2, subrect copy size
static_cast<uint32_t>(wgpu::AlphaOp::DontChange), // AlphaOp: DontChange
0, // srcAlphaMode, wgpu::AlphaMode::Premultiplied
0 // dstAlphaMode, wgpu::AlphaMode::Premultiplied
};
wgpu::BufferDescriptor uniformBufferDesc = {};
@ -253,7 +252,8 @@ class CopyTextureForBrowserTests : public Parent {
srcCopyOrigin : vec2<u32>;
dstCopyOrigin : vec2<u32>;
copySize : vec2<u32>;
alphaOp : u32;
srcAlphaMode : u32;
dstAlphaMode : u32;
};
struct OutputBuf {
result : array<u32>;
@ -297,25 +297,19 @@ class CopyTextureForBrowserTests : public Parent {
// 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
let premultiplied = 0u;
let unpremultiplied = 1u;
if (uniforms.srcAlphaMode != uniforms.dstAlphaMode) {
if (uniforms.dstAlphaMode == premultiplied) {
// srcAlphaMode == unpremultiplied
srcColor = vec4<f32>(srcColor.rgb * srcColor.a, srcColor.a);
break;
}
case 2u: { // AlphaOp: Unpremultiply
if (uniforms.dstAlphaMode == unpremultiplied) {
// srcAlphaMode == premultiplied
if (srcColor.a != 0.0) {
srcColor = vec4<f32>(srcColor.rgb / srcColor.a, srcColor.a);
}
break;
}
default: {
break;
}
}
@ -444,8 +438,8 @@ class CopyTextureForBrowserTests : public Parent {
dstSpec.copyOrigin.y, // dst texture copy origin
copySize.width,
copySize.height, // copy size
static_cast<uint32_t>(options.alphaOp) // alphaOp
};
static_cast<uint32_t>(options.srcAlphaMode),
static_cast<uint32_t>(options.dstAlphaMode)};
this->device.GetQueue().WriteBuffer(uniformBuffer, 0, uniformBufferData,
sizeof(uniformBufferData));
@ -506,8 +500,8 @@ class CopyTextureForBrowserTests : public Parent {
copySize.depthOrArrayLayers},
srcSpec.level);
std::vector<RGBA8> srcTextureArrayCopyData =
GetTextureData(srcCopyLayout, TextureCopyRole::SOURCE, options.alphaOp);
std::vector<RGBA8> srcTextureArrayCopyData = GetTextureData(
srcCopyLayout, TextureCopyRole::SOURCE, options.srcAlphaMode, options.dstAlphaMode);
wgpu::TextureUsage srcUsage = wgpu::TextureUsage::CopySrc | wgpu::TextureUsage::CopyDst |
wgpu::TextureUsage::TextureBinding;
@ -659,10 +653,10 @@ class CopyTextureForBrowser_SubRects
}
};
class CopyTextureForBrowser_AlphaOps
class CopyTextureForBrowser_AlphaMode
: public CopyTextureForBrowserTests<DawnTestWithParams<AlphaTestParams>> {
protected:
void DoAlphaOpTest() {
void DoAlphaModeTest() {
constexpr uint32_t kWidth = 10;
constexpr uint32_t kHeight = 10;
@ -670,7 +664,8 @@ class CopyTextureForBrowser_AlphaOps
textureSpec.textureSize = {kWidth, kHeight};
wgpu::CopyTextureForBrowserOptions options = {};
options.alphaOp = GetParam().mAlpha;
options.srcAlphaMode = GetParam().mSrcAlphaMode;
options.dstAlphaMode = GetParam().mDstAlphaMode;
DoTest(textureSpec, textureSpec, {kWidth, kHeight}, options);
}
@ -1079,9 +1074,9 @@ DAWN_INSTANTIATE_TEST_P(CopyTextureForBrowser_SubRects,
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) {
// Verify |CopyTextureForBrowser| doing alpha changes.
// Test srcAlphaMode and dstAlphaMode: Premultiplied, Unpremultiplied.
TEST_P(CopyTextureForBrowser_AlphaMode, alphaMode) {
// Skip OpenGLES backend because it fails on using RGBA8Unorm as
// source texture format.
// TODO(crbug.com/dawn/1232): Program link error on OpenGLES backend
@ -1091,14 +1086,16 @@ TEST_P(CopyTextureForBrowser_AlphaOps, alphaOp) {
// Tests skip due to crbug.com/dawn/1104.
DAWN_SUPPRESS_TEST_IF(IsWARP());
DoAlphaOpTest();
DoAlphaModeTest();
}
DAWN_INSTANTIATE_TEST_P(
CopyTextureForBrowser_AlphaOps,
{D3D12Backend(), MetalBackend(), OpenGLBackend(), OpenGLESBackend(), VulkanBackend()},
std::vector<wgpu::AlphaOp>({wgpu::AlphaOp::DontChange, wgpu::AlphaOp::Premultiply,
wgpu::AlphaOp::Unpremultiply}));
DAWN_INSTANTIATE_TEST_P(CopyTextureForBrowser_AlphaMode,
{D3D12Backend(), MetalBackend(), OpenGLBackend(), OpenGLESBackend(),
VulkanBackend()},
std::vector<wgpu::AlphaMode>({wgpu::AlphaMode::Premultiplied,
wgpu::AlphaMode::Unpremultiplied}),
std::vector<wgpu::AlphaMode>({wgpu::AlphaMode::Premultiplied,
wgpu::AlphaMode::Unpremultiplied}));
// Verify |CopyTextureForBrowser| doing color space conversion.
TEST_P(CopyTextureForBrowser_ColorSpace, colorSpaceConversion) {