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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
/*
* This file is, almost entirely, copy and pasted from Skia's
* ChromePrecompileTest.cpp and then massaged to better match Chrome's coding
* standard. Almost any change to this file should first be performed in the
* Skia file and then copied here.
*/
#include "gpu/command_buffer/service/graphite_precompile.h"
#include "third_party/skia/include/gpu/graphite/PrecompileContext.h"
#include "third_party/skia/include/gpu/graphite/precompile/PaintOptions.h"
#include "third_party/skia/include/gpu/graphite/precompile/Precompile.h"
#include "third_party/skia/include/gpu/graphite/precompile/PrecompileColorFilter.h"
#include "third_party/skia/include/gpu/graphite/precompile/PrecompileShader.h"
namespace gpu {
namespace {
using ::skgpu::graphite::PrecompileShaders::GradientShaderFlags;
using ::skgpu::graphite::PrecompileShaders::ImageShaderFlags;
using ::skgpu::graphite::PrecompileShaders::YUVImageShaderFlags;
using ::skgpu::graphite::DepthStencilFlags;
using ::skgpu::graphite::DrawTypeFlags;
using ::skgpu::graphite::PaintOptions;
using ::skgpu::graphite::RenderPassProperties;
PaintOptions solid_srcover() {
PaintOptions paintOptions;
paintOptions.setBlendModes({SkBlendMode::kSrcOver});
return paintOptions;
}
PaintOptions linear_grad_sm_srcover() {
PaintOptions paintOptions;
paintOptions.setShaders({::skgpu::graphite::PrecompileShaders::LinearGradient(
GradientShaderFlags::kSmall)});
paintOptions.setBlendModes({SkBlendMode::kSrcOver});
return paintOptions;
}
PaintOptions linear_grad_SRGB_sm_med_srcover() {
PaintOptions paintOptions;
paintOptions.setShaders({::skgpu::graphite::PrecompileShaders::LinearGradient(
GradientShaderFlags::kNoLarge,
{SkGradientShader::Interpolation::InPremul::kNo,
SkGradientShader::Interpolation::ColorSpace::kSRGB,
SkGradientShader::Interpolation::HueMethod::kShorter})});
paintOptions.setBlendModes({SkBlendMode::kSrcOver});
paintOptions.setDither(true);
return paintOptions;
}
PaintOptions xparent_paint_image_premul_hw_and_clamp_srcover() {
PaintOptions paintOptions;
SkColorInfo ci{kRGBA_8888_SkColorType, kPremul_SkAlphaType, nullptr};
SkTileMode tm = SkTileMode::kClamp;
paintOptions.setShaders({::skgpu::graphite::PrecompileShaders::Image(
ImageShaderFlags::kExcludeCubic, {&ci, 1}, {&tm, 1})});
paintOptions.setBlendModes({SkBlendMode::kSrcOver});
paintOptions.setPaintColorIsOpaque(false);
return paintOptions;
}
PaintOptions xparent_paint_image_premul_hw_only_srcover() {
PaintOptions paintOptions;
SkColorInfo ci{kRGBA_8888_SkColorType, kPremul_SkAlphaType, nullptr};
paintOptions.setShaders({::skgpu::graphite::PrecompileShaders::Image(
ImageShaderFlags::kExcludeCubic, {&ci, 1}, {})});
paintOptions.setBlendModes({SkBlendMode::kSrcOver});
paintOptions.setPaintColorIsOpaque(false);
return paintOptions;
}
PaintOptions xparent_paint_srcover() {
PaintOptions paintOptions;
paintOptions.setBlendModes({SkBlendMode::kSrcOver});
paintOptions.setPaintColorIsOpaque(false);
return paintOptions;
}
PaintOptions solid_clear_src_srcover() {
PaintOptions paintOptions;
paintOptions.setBlendModes(
{SkBlendMode::kClear, SkBlendMode::kSrc, SkBlendMode::kSrcOver});
return paintOptions;
}
PaintOptions solid_src_srcover() {
PaintOptions paintOptions;
paintOptions.setBlendModes({SkBlendMode::kSrc, SkBlendMode::kSrcOver});
return paintOptions;
}
PaintOptions image_premul_no_cubic_srcover() {
SkColorInfo ci{kRGBA_8888_SkColorType, kPremul_SkAlphaType, nullptr};
SkTileMode tm = SkTileMode::kClamp;
PaintOptions paintOptions;
paintOptions.setShaders({::skgpu::graphite::PrecompileShaders::Image(
ImageShaderFlags::kExcludeCubic, {&ci, 1}, {&tm, 1})});
paintOptions.setBlendModes({SkBlendMode::kSrcOver});
return paintOptions;
}
PaintOptions image_premul_hw_only_srcover() {
PaintOptions paintOptions;
SkColorInfo ci{kRGBA_8888_SkColorType, kPremul_SkAlphaType, nullptr};
paintOptions.setShaders({::skgpu::graphite::PrecompileShaders::Image(
ImageShaderFlags::kExcludeCubic, {&ci, 1}, {})});
paintOptions.setBlendModes({SkBlendMode::kSrcOver});
return paintOptions;
}
PaintOptions image_premul_clamp_no_cubic_dstin() {
SkColorInfo ci{kRGBA_8888_SkColorType, kPremul_SkAlphaType, nullptr};
SkTileMode tm = SkTileMode::kClamp;
PaintOptions paintOptions;
paintOptions.setShaders({::skgpu::graphite::PrecompileShaders::Image(
ImageShaderFlags::kExcludeCubic, {&ci, 1}, {&tm, 1})});
paintOptions.setBlendModes({SkBlendMode::kDstIn});
return paintOptions;
}
PaintOptions image_premul_hw_only_dstin() {
SkColorInfo ci{kRGBA_8888_SkColorType, kPremul_SkAlphaType, nullptr};
PaintOptions paintOptions;
paintOptions.setShaders({::skgpu::graphite::PrecompileShaders::Image(
ImageShaderFlags::kExcludeCubic, {&ci, 1}, {})});
paintOptions.setBlendModes({SkBlendMode::kDstIn});
return paintOptions;
}
PaintOptions yuv_image_srgb_no_cubic_srcover() {
SkColorInfo ci{
kRGBA_8888_SkColorType, kPremul_SkAlphaType,
SkColorSpace::MakeRGB(SkNamedTransferFn::kSRGB, SkNamedGamut::kAdobeRGB)};
PaintOptions paintOptions;
paintOptions.setShaders({::skgpu::graphite::PrecompileShaders::YUVImage(
YUVImageShaderFlags::kExcludeCubic, {&ci, 1})});
paintOptions.setBlendModes({SkBlendMode::kSrcOver});
return paintOptions;
}
PaintOptions yuv_image_srgb_srcover2() {
SkColorInfo ci{
kRGBA_8888_SkColorType, kPremul_SkAlphaType,
SkColorSpace::MakeRGB(SkNamedTransferFn::kSRGB, SkNamedGamut::kAdobeRGB)};
PaintOptions paintOptions;
paintOptions.setShaders({::skgpu::graphite::PrecompileShaders::YUVImage(
YUVImageShaderFlags::kNoCubicNoNonSwizzledHW, {&ci, 1})});
paintOptions.setBlendModes({SkBlendMode::kSrcOver});
return paintOptions;
}
PaintOptions image_premul_no_cubic_src_srcover() {
SkColorInfo ci{kRGBA_8888_SkColorType, kPremul_SkAlphaType, nullptr};
PaintOptions paintOptions;
paintOptions.setShaders({::skgpu::graphite::PrecompileShaders::Image(
ImageShaderFlags::kExcludeCubic, {&ci, 1}, {})});
paintOptions.setBlendModes({SkBlendMode::kSrc, SkBlendMode::kSrcOver});
return paintOptions;
}
PaintOptions image_srgb_no_cubic_src() {
PaintOptions paintOptions;
SkColorInfo ci{
kRGBA_8888_SkColorType, kPremul_SkAlphaType,
SkColorSpace::MakeRGB(SkNamedTransferFn::kSRGB, SkNamedGamut::kAdobeRGB)};
paintOptions.setShaders({::skgpu::graphite::PrecompileShaders::Image(
ImageShaderFlags::kExcludeCubic, {&ci, 1}, {})});
paintOptions.setBlendModes({SkBlendMode::kSrc});
return paintOptions;
}
PaintOptions blend_porter_duff_cf_srcover() {
PaintOptions paintOptions;
// kSrcOver will trigger the PorterDuffBlender
paintOptions.setColorFilters(
{::skgpu::graphite::PrecompileColorFilters::Blend(
{SkBlendMode::kSrcOver})});
paintOptions.setBlendModes({SkBlendMode::kSrcOver});
return paintOptions;
}
PaintOptions image_alpha_hw_only_srcover() {
PaintOptions paintOptions;
SkColorInfo ci{kAlpha_8_SkColorType, kUnpremul_SkAlphaType, nullptr};
paintOptions.setShaders({::skgpu::graphite::PrecompileShaders::Image(
ImageShaderFlags::kExcludeCubic, {&ci, 1}, {})});
paintOptions.setBlendModes({SkBlendMode::kSrcOver});
return paintOptions;
}
PaintOptions image_alpha_no_cubic_src() {
PaintOptions paintOptions;
SkColorInfo ci{kAlpha_8_SkColorType, kUnpremul_SkAlphaType, nullptr};
SkTileMode tm = SkTileMode::kRepeat;
paintOptions.setShaders({::skgpu::graphite::PrecompileShaders::Image(
ImageShaderFlags::kExcludeCubic, {&ci, 1}, {&tm, 1})});
paintOptions.setBlendModes({SkBlendMode::kSrc});
return paintOptions;
}
PaintOptions image_premul_hw_only_porter_duff_cf_srcover() {
PaintOptions paintOptions;
SkColorInfo ci{kRGBA_8888_SkColorType, kPremul_SkAlphaType, nullptr};
paintOptions.setShaders({::skgpu::graphite::PrecompileShaders::Image(
ImageShaderFlags::kExcludeCubic, {&ci, 1}, {})});
paintOptions.setColorFilters(
{::skgpu::graphite::PrecompileColorFilters::Blend(
{SkBlendMode::kSrcOver})});
paintOptions.setBlendModes({SkBlendMode::kSrcOver});
return paintOptions;
}
PaintOptions image_premul_hw_only_matrix_cf_srcover() {
PaintOptions paintOptions;
SkColorInfo ci{kRGBA_8888_SkColorType, kPremul_SkAlphaType, nullptr};
paintOptions.setShaders({::skgpu::graphite::PrecompileShaders::Image(
ImageShaderFlags::kExcludeCubic, {&ci, 1}, {})});
paintOptions.setColorFilters(
{::skgpu::graphite::PrecompileColorFilters::Matrix()});
paintOptions.setBlendModes({SkBlendMode::kSrcOver});
return paintOptions;
}
PaintOptions image_hw_only_srgb_srcover() {
PaintOptions paintOptions;
SkColorInfo ci{
kRGBA_8888_SkColorType, kPremul_SkAlphaType,
SkColorSpace::MakeRGB(SkNamedTransferFn::kSRGB, SkNamedGamut::kAdobeRGB)};
paintOptions.setShaders({::skgpu::graphite::PrecompileShaders::Image(
ImageShaderFlags::kExcludeCubic, {&ci, 1}, {})});
paintOptions.setBlendModes({SkBlendMode::kSrcOver});
return paintOptions;
}
} // anonymous namespace
void GraphitePerformPrecompilation(
std::unique_ptr<skgpu::graphite::PrecompileContext> precompileContext) {
// Single sampled R w/ just depth
const RenderPassProperties kR_1_D{DepthStencilFlags::kDepth,
kAlpha_8_SkColorType,
/* fDstCS= */ nullptr,
/* fRequiresMSAA= */ false};
// MSAA R w/ depth and stencil
const RenderPassProperties kR_4_DS{DepthStencilFlags::kDepthStencil,
kAlpha_8_SkColorType,
/* fDstCS= */ nullptr,
/* fRequiresMSAA= */ true};
// Single sampled BGRA w/ just depth
const RenderPassProperties kBGRA_1_D{DepthStencilFlags::kDepth,
kBGRA_8888_SkColorType,
/* fDstCS= */ nullptr,
/* fRequiresMSAA= */ false};
// MSAA BGRA w/ just depth
const RenderPassProperties kBGRA_4_D{DepthStencilFlags::kDepth,
kBGRA_8888_SkColorType,
/* fDstCS= */ nullptr,
/* fRequiresMSAA= */ true};
// MSAA BGRA w/ depth and stencil
const RenderPassProperties kBGRA_4_DS{DepthStencilFlags::kDepthStencil,
kBGRA_8888_SkColorType,
/* fDstCS= */ nullptr,
/* fRequiresMSAA= */ true};
// The same as kBGRA_1_D but w/ an SRGB colorSpace
const RenderPassProperties kBGRA_1_D_SRGB{DepthStencilFlags::kDepth,
kBGRA_8888_SkColorType,
SkColorSpace::MakeSRGB(),
/* fRequiresMSAA= */ false};
// The same as kBGRA_1_D but w/ an Adobe RGB colorSpace
const RenderPassProperties kBGRA_1_D_Adobe{
DepthStencilFlags::kDepth, kBGRA_8888_SkColorType,
SkColorSpace::MakeRGB(SkNamedTransferFn::kSRGB, SkNamedGamut::kAdobeRGB),
/* fRequiresMSAA= */ false};
// The same as kBGRA_4_DS but w/ an SRGB colorSpace
const RenderPassProperties kBGRA_4_DS_SRGB{DepthStencilFlags::kDepthStencil,
kBGRA_8888_SkColorType,
SkColorSpace::MakeSRGB(),
/* fRequiresMSAA= */ true};
// The same as kBGRA_4_DS but w/ an Adobe RGB colorSpace
const RenderPassProperties kBGRA_4_DS_Adobe{
DepthStencilFlags::kDepthStencil, kBGRA_8888_SkColorType,
SkColorSpace::MakeRGB(SkNamedTransferFn::kSRGB, SkNamedGamut::kAdobeRGB),
/* fRequiresMSAA= */ true};
constexpr DrawTypeFlags kRRectAndNonAARect = static_cast<DrawTypeFlags>(
DrawTypeFlags::kAnalyticRRect | DrawTypeFlags::kNonAAFillRect);
constexpr DrawTypeFlags kQuadAndNonAARect = static_cast<DrawTypeFlags>(
DrawTypeFlags::kPerEdgeAAQuad | DrawTypeFlags::kNonAAFillRect);
const struct PrecompileSettings {
PaintOptions fPaintOptions;
DrawTypeFlags fDrawTypeFlags = DrawTypeFlags::kNone;
RenderPassProperties fRenderPassProps;
} kPrecompileCases[] = {
{blend_porter_duff_cf_srcover(), DrawTypeFlags::kBitmapText_Mask,
kBGRA_1_D},
{solid_srcover(), DrawTypeFlags::kBitmapText_Mask, kBGRA_1_D},
{solid_srcover(), DrawTypeFlags::kBitmapText_Mask, kBGRA_4_D},
{solid_srcover(), DrawTypeFlags::kBitmapText_Mask, kBGRA_4_DS},
{linear_grad_sm_srcover(), DrawTypeFlags::kBitmapText_Mask, kBGRA_4_DS},
{blend_porter_duff_cf_srcover(), DrawTypeFlags::kBitmapText_Mask,
kBGRA_4_DS},
{xparent_paint_srcover(), DrawTypeFlags::kBitmapText_Color, kBGRA_1_D},
{solid_srcover(), DrawTypeFlags::kBitmapText_Color, kBGRA_1_D_Adobe},
{solid_srcover(), DrawTypeFlags::kBitmapText_Color, kBGRA_4_DS_Adobe},
{solid_srcover(), kRRectAndNonAARect, kR_1_D},
{image_alpha_hw_only_srcover(), DrawTypeFlags::kPerEdgeAAQuad, kR_1_D},
{image_alpha_no_cubic_src(), DrawTypeFlags::kNonAAFillRect, kR_1_D},
{image_premul_clamp_no_cubic_dstin(), kQuadAndNonAARect, kBGRA_1_D},
{image_premul_hw_only_matrix_cf_srcover(), DrawTypeFlags::kNonAAFillRect,
kBGRA_1_D},
{image_premul_hw_only_porter_duff_cf_srcover(),
DrawTypeFlags::kPerEdgeAAQuad, kBGRA_1_D},
{image_premul_no_cubic_srcover(), DrawTypeFlags::kAnalyticRRect,
kBGRA_1_D},
{image_premul_no_cubic_src_srcover(), kQuadAndNonAARect, kBGRA_1_D},
{linear_grad_sm_srcover(), DrawTypeFlags::kNonAAFillRect, kBGRA_1_D},
{solid_src_srcover(), DrawTypeFlags::kSimpleShape, kBGRA_1_D},
{xparent_paint_image_premul_hw_and_clamp_srcover(), kQuadAndNonAARect,
kBGRA_1_D},
{linear_grad_SRGB_sm_med_srcover(), kRRectAndNonAARect, kBGRA_1_D_Adobe},
{image_hw_only_srgb_srcover(), kRRectAndNonAARect, kBGRA_1_D_SRGB},
{image_srgb_no_cubic_src(), kQuadAndNonAARect, kBGRA_1_D_SRGB},
{yuv_image_srgb_no_cubic_srcover(), DrawTypeFlags::kSimpleShape,
kBGRA_1_D_SRGB},
{image_premul_hw_only_dstin(), DrawTypeFlags::kPerEdgeAAQuad, kBGRA_4_D},
{image_premul_hw_only_srcover(), kQuadAndNonAARect, kBGRA_4_D},
{solid_src_srcover(), kRRectAndNonAARect, kBGRA_4_D},
{blend_porter_duff_cf_srcover(), DrawTypeFlags::kNonAAFillRect,
kBGRA_4_DS},
{image_premul_hw_only_dstin(), DrawTypeFlags::kPerEdgeAAQuad, kBGRA_4_DS},
{image_premul_hw_only_matrix_cf_srcover(), DrawTypeFlags::kNonAAFillRect,
kBGRA_4_DS},
{image_premul_no_cubic_srcover(), kQuadAndNonAARect, kBGRA_4_DS},
{solid_clear_src_srcover(), DrawTypeFlags::kNonAAFillRect, kBGRA_4_DS},
{solid_srcover(), DrawTypeFlags::kNonSimpleShape, kBGRA_4_DS},
{solid_srcover(), DrawTypeFlags::kAnalyticRRect, kBGRA_4_DS},
{xparent_paint_image_premul_hw_only_srcover(),
DrawTypeFlags::kPerEdgeAAQuad, kBGRA_4_DS},
{linear_grad_SRGB_sm_med_srcover(), kRRectAndNonAARect, kBGRA_4_DS_Adobe},
{image_hw_only_srgb_srcover(), DrawTypeFlags::kAnalyticRRect,
kBGRA_4_DS_SRGB},
{yuv_image_srgb_srcover2(), DrawTypeFlags::kSimpleShape, kBGRA_4_DS_SRGB},
};
for (const auto& c : kPrecompileCases) {
Precompile(precompileContext.get(), c.fPaintOptions, c.fDrawTypeFlags,
{&c.fRenderPassProps, 1});
}
}
} // namespace gpu
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