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/*
* Copyright 2022 Google LLC
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef skgpu_graphite_BuiltInCodeSnippetID_DEFINED
#define skgpu_graphite_BuiltInCodeSnippetID_DEFINED
#include "include/core/SkTypes.h"
namespace skgpu::graphite {
enum class BuiltInCodeSnippetID : int32_t {
// This isn't just a signal for a failure during paintparams key creation. It also actually
// implements the default behavior for an erroneous draw. Currently it just draws solid
// magenta.
kError,
// Snippet that passes through prior stage output
kPriorOutput,
// SkShader code snippets
kSolidColorShader,
kRGBPaintColor,
kAlphaOnlyPaintColor,
kLinearGradientShader4,
kLinearGradientShader8,
kLinearGradientShaderTexture,
kRadialGradientShader4,
kRadialGradientShader8,
kRadialGradientShaderTexture,
kSweepGradientShader4,
kSweepGradientShader8,
kSweepGradientShaderTexture,
kConicalGradientShader4,
kConicalGradientShader8,
kConicalGradientShaderTexture,
kLocalMatrixShader,
kImageShader,
kCubicImageShader,
kHWImageShader,
kYUVImageShader,
kCubicYUVImageShader,
kCoordClampShader,
kDitherShader,
kPerlinNoiseShader,
kRuntimeShader,
// SkColorFilter code snippets
kMatrixColorFilter,
kTableColorFilter,
kGaussianColorFilter,
kColorSpaceXformColorFilter,
// SkBlender code snippets
kBlendShader,
kBlendModeBlender,
kCoeffBlender,
// Emits special variable holding the primitiveColor emitted by a RenderStep
kPrimitiveColor,
// Dest Read code snippets
kDstReadSample,
kDstReadFetch,
// Clip shader snippet
// TODO(b/238763003): Avoid incorporating clip shaders into the actual shader code.
kClipShader,
kCompose,
// Fixed-function blend modes are used for the final blend with the dst buffer's color when the
// SkPaint is using a coefficient-based SkBlendMode. The actual coefficients are extracted into
// the SkBlendInfo associated with each pipeline, but a unique code snippet ID is assigned so
// that the pipeline keys remain distinct. They are ordered to match SkBlendMode such
// that (id - kFirstFixedFunctionBlendMode) == SkBlendMode).
//
// NOTE: Pipeline code generation depends on the fixed-function code IDs being contiguous and
// be defined last in the enum.
kFixedFunctionClearBlendMode,
kFixedFunctionSrcBlendMode,
kFixedFunctionDstBlendMode,
kFixedFunctionSrcOverBlendMode,
kFixedFunctionDstOverBlendMode,
kFixedFunctionSrcInBlendMode,
kFixedFunctionDstInBlendMode,
kFixedFunctionSrcOutBlendMode,
kFixedFunctionDstOutBlendMode,
kFixedFunctionSrcATopBlendMode,
kFixedFunctionDstATopBlendMode,
kFixedFunctionXorBlendMode,
kFixedFunctionPlusBlendMode,
kFixedFunctionModulateBlendMode,
kFixedFunctionScreenBlendMode,
kFirstFixedFunctionBlendMode = kFixedFunctionClearBlendMode,
kLast = kFixedFunctionScreenBlendMode
};
static constexpr int kBuiltInCodeSnippetIDCount = static_cast<int>(BuiltInCodeSnippetID::kLast)+1;
static constexpr int kFixedFunctionBlendModeIDOffset =
static_cast<int>(BuiltInCodeSnippetID::kFirstFixedFunctionBlendMode);
static_assert(BuiltInCodeSnippetID::kLast == BuiltInCodeSnippetID::kFixedFunctionScreenBlendMode);
} // namespace skgpu::graphite
#endif // skgpu_graphite_BuiltInCodeSnippetID_DEFINED