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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 GrBitmapTextGeoProc_DEFINED
#define GrBitmapTextGeoProc_DEFINED
#include "GrProcessor.h"
#include "GrGeometryProcessor.h"
class GrGLBitmapTextGeoProc;
class GrInvariantOutput;
/**
* The output color of this effect is a modulation of the input color and a sample from a texture.
* It allows explicit specification of the filtering and wrap modes (GrTextureParams). The input
* coords are a custom attribute.
*/
class GrBitmapTextGeoProc : public GrGeometryProcessor {
public:
static GrGeometryProcessor* Create(GrColor color, GrTexture* tex, const GrTextureParams& p,
GrMaskFormat format, bool opaqueVertexColors,
const SkMatrix& localMatrix) {
return SkNEW_ARGS(GrBitmapTextGeoProc, (color, tex, p, format, opaqueVertexColors,
localMatrix));
}
virtual ~GrBitmapTextGeoProc() {}
const char* name() const SK_OVERRIDE { return "Texture"; }
const Attribute* inPosition() const { return fInPosition; }
const Attribute* inColor() const { return fInColor; }
const Attribute* inTextureCoords() const { return fInTextureCoords; }
GrMaskFormat maskFormat() const { return fMaskFormat; }
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;
void initBatchTracker(GrBatchTracker*, const GrPipelineInfo&) const SK_OVERRIDE;
bool onCanMakeEqual(const GrBatchTracker&,
const GrGeometryProcessor&,
const GrBatchTracker&) const SK_OVERRIDE;
private:
GrBitmapTextGeoProc(GrColor, GrTexture* texture, const GrTextureParams& params,
GrMaskFormat format, bool opaqueVertexColors, const SkMatrix& localMatrix);
bool onIsEqual(const GrGeometryProcessor& other) const SK_OVERRIDE;
void onGetInvariantOutputColor(GrInitInvariantOutput*) const SK_OVERRIDE;
void onGetInvariantOutputCoverage(GrInitInvariantOutput*) const SK_OVERRIDE;
GrTextureAccess fTextureAccess;
const Attribute* fInPosition;
const Attribute* fInColor;
const Attribute* fInTextureCoords;
GrMaskFormat fMaskFormat;
GR_DECLARE_GEOMETRY_PROCESSOR_TEST;
typedef GrGeometryProcessor INHERITED;
};
#endif
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