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/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrPathProcessor_DEFINED
#define GrPathProcessor_DEFINED
#include "GrPrimitiveProcessor.h"
struct PathBatchTracker {
GrGPInput fInputColorType;
GrGPInput fInputCoverageType;
GrColor fColor;
bool fUsesLocalCoords;
};
/*
* The path equivalent of the GP. For now this just manages color. In the long term we plan on
* extending this class to handle all nvpr uniform / varying / program work.
*/
class GrPathProcessor : public GrPrimitiveProcessor {
public:
static GrPathProcessor* Create(GrColor color,
const SkMatrix& viewMatrix = SkMatrix::I(),
const SkMatrix& localMatrix = SkMatrix::I()) {
return SkNEW_ARGS(GrPathProcessor, (color, viewMatrix, localMatrix));
}
void initBatchTracker(GrBatchTracker*, const GrPipelineInfo&) const SK_OVERRIDE;
bool canMakeEqual(const GrBatchTracker& mine,
const GrPrimitiveProcessor& that,
const GrBatchTracker& theirs) const SK_OVERRIDE;
const char* name() const SK_OVERRIDE { return "PathProcessor"; }
GrColor color() const { return fColor; }
void getInvariantOutputColor(GrInitInvariantOutput* out) const SK_OVERRIDE;
void getInvariantOutputCoverage(GrInitInvariantOutput* out) const SK_OVERRIDE;
bool willUseGeoShader() const SK_OVERRIDE { return false; }
virtual void getGLProcessorKey(const GrBatchTracker& bt,
const GrGLCaps& caps,
GrProcessorKeyBuilder* b) const SK_OVERRIDE;
virtual GrGLPrimitiveProcessor* createGLInstance(const GrBatchTracker& bt,
const GrGLCaps& caps) const SK_OVERRIDE;
protected:
GrPathProcessor(GrColor color, const SkMatrix& viewMatrix, const SkMatrix& localMatrix);
private:
bool hasExplicitLocalCoords() const SK_OVERRIDE { return false; }
GrColor fColor;
typedef GrPrimitiveProcessor INHERITED;
};
#endif
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