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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrProcessor_DEFINED
#define GrProcessor_DEFINED
#include "include/core/SkString.h"
#include <cstddef>
#include <new>
/** Provides custom shader code to the Ganesh shading pipeline. GrProcessor objects *must* be
immutable: after being constructed, their fields may not change.
Dynamically allocated GrProcessors are managed by a per-thread memory pool. The ref count of an
processor must reach 0 before the thread terminates and the pool is destroyed.
*/
class GrProcessor {
public:
enum ClassID {
kNull_ClassID, // Reserved ID for missing (null) processors
kAttributeTestProcessor_ClassID,
kBigKeyProcessor_ClassID,
kBlendFragmentProcessor_ClassID,
kBlockInputFragmentProcessor_ClassID,
kButtCapStrokedCircleGeometryProcessor_ClassID,
kCircleGeometryProcessor_ClassID,
kCircularRRectEffect_ClassID,
kClockwiseTestProcessor_ClassID,
kColorTableEffect_ClassID,
kCoverageSetOpXP_ClassID,
kCustomXP_ClassID,
kDashingCircleEffect_ClassID,
kDashingLineEffect_ClassID,
kDefaultGeoProc_ClassID,
kDeviceSpace_ClassID,
kDIEllipseGeometryProcessor_ClassID,
kDisableColorXP_ClassID,
kDrawAtlasPathShader_ClassID,
kEllipseGeometryProcessor_ClassID,
kEllipticalRRectEffect_ClassID,
kFwidthSquircleTestProcessor_ClassID,
kGP_ClassID,
kGrBicubicEffect_ClassID,
kGrBitmapTextGeoProc_ClassID,
kGrColorSpaceXformEffect_ClassID,
kGrConicEffect_ClassID,
kGrConvexPolyEffect_ClassID,
kGrDiffuseLightingEffect_ClassID,
kGrDisplacementMapEffect_ClassID,
kGrDistanceFieldA8TextGeoProc_ClassID,
kGrDistanceFieldLCDTextGeoProc_ClassID,
kGrDistanceFieldPathGeoProc_ClassID,
kGrDSLFPTest_DoStatement_ClassID,
kGrDSLFPTest_ForStatement_ClassID,
kGrDSLFPTest_IfStatement_ClassID,
kGrDSLFPTest_SwitchStatement_ClassID,
kGrDSLFPTest_Swizzle_ClassID,
kGrDSLFPTest_Ternary_ClassID,
kGrDSLFPTest_WhileStatement_ClassID,
kGrFillRRectOp_Processor_ClassID,
kGrGaussianConvolutionFragmentProcessor_ClassID,
kGrMatrixConvolutionEffect_ClassID,
kGrMatrixEffect_ClassID,
kGrMeshTestProcessor_ClassID,
kGrMorphologyEffect_ClassID,
kGrPerlinNoise2Effect_ClassID,
kGrPipelineDynamicStateTestProcessor_ClassID,
kGrQuadEffect_ClassID,
kGrRRectShadowGeoProc_ClassID,
kGrSkSLFP_ClassID,
kGrSpecularLightingEffect_ClassID,
kGrTextureEffect_ClassID,
kGrUnrolledBinaryGradientColorizer_ClassID,
kGrYUVtoRGBEffect_ClassID,
kHighPrecisionFragmentProcessor_ClassID,
kLatticeGP_ClassID,
kPDLCDXferProcessor_ClassID,
kPorterDuffXferProcessor_ClassID,
kPremulFragmentProcessor_ClassID,
kQuadEdgeEffect_ClassID,
kQuadPerEdgeAAGeometryProcessor_ClassID,
kSeriesFragmentProcessor_ClassID,
kShaderPDXferProcessor_ClassID,
kSurfaceColorProcessor_ClassID,
kSwizzleFragmentProcessor_ClassID,
kTessellate_BoundingBoxShader_ClassID,
kTessellate_GrModulateAtlasCoverageEffect_ClassID,
kTessellate_GrStrokeTessellationShader_ClassID,
kTessellate_HullShader_ClassID,
kTessellate_MiddleOutShader_ClassID,
kTessellate_SimpleTriangleShader_ClassID,
kTessellationTestTriShader_ClassID,
kTestFP_ClassID,
kTestRectOp_ClassID,
kVertexColorSpaceBenchGP_ClassID,
kVerticesGP_ClassID,
};
virtual ~GrProcessor() = default;
/** Human-meaningful string to identify this processor; may be embedded in generated shader
code and must be a legal SkSL identifier prefix. */
virtual const char* name() const = 0;
/** Human-readable dump of all information */
#if GR_TEST_UTILS
virtual SkString onDumpInfo() const { return SkString(); }
SkString dumpInfo() const {
SkString info(name());
info.append(this->onDumpInfo());
return info;
}
#endif
void* operator new(size_t size);
void* operator new(size_t object_size, size_t footer_size);
void operator delete(void* target);
void* operator new(size_t size, void* placement) {
return ::operator new(size, placement);
}
void operator delete(void* target, void* placement) {
::operator delete(target, placement);
}
/** Helper for down-casting to a GrProcessor subclass */
template <typename T> const T& cast() const { return *static_cast<const T*>(this); }
ClassID classID() const { return fClassID; }
protected:
GrProcessor(ClassID classID) : fClassID(classID) {}
GrProcessor(const GrProcessor&) = delete;
GrProcessor& operator=(const GrProcessor&) = delete;
const ClassID fClassID;
};
#endif