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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 (GrSamplerState). The input
* coords are a custom attribute.
*/
class GrBitmapTextGeoProc : public GrGeometryProcessor {
public:
static constexpr int kMaxTextures = 4;
static sk_sp<GrGeometryProcessor> Make(GrColor color,
const sk_sp<GrTextureProxy> proxies[kMaxTextures],
const GrSamplerState& p, GrMaskFormat format,
const SkMatrix& localMatrix, bool usesLocalCoords) {
return sk_sp<GrGeometryProcessor>(
new GrBitmapTextGeoProc(color, proxies, p, format,
localMatrix, usesLocalCoords));
}
~GrBitmapTextGeoProc() override {}
const char* name() const 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; }
GrColor color() const { return fColor; }
bool hasVertexColor() const { return SkToBool(fInColor); }
const SkMatrix& localMatrix() const { return fLocalMatrix; }
bool usesLocalCoords() const { return fUsesLocalCoords; }
void addNewProxies(const sk_sp<GrTextureProxy> proxies[kMaxTextures], const GrSamplerState& p);
void getGLSLProcessorKey(const GrShaderCaps& caps, GrProcessorKeyBuilder* b) const override;
GrGLSLPrimitiveProcessor* createGLSLInstance(const GrShaderCaps& caps) const override;
private:
GrBitmapTextGeoProc(GrColor, const sk_sp<GrTextureProxy> proxies[kMaxTextures],
const GrSamplerState& params, GrMaskFormat format,
const SkMatrix& localMatrix, bool usesLocalCoords);
GrColor fColor;
SkMatrix fLocalMatrix;
bool fUsesLocalCoords;
TextureSampler fTextureSamplers[kMaxTextures];
const Attribute* fInPosition;
const Attribute* fInColor;
const Attribute* fInTextureCoords;
GrMaskFormat fMaskFormat;
GR_DECLARE_GEOMETRY_PROCESSOR_TEST
typedef GrGeometryProcessor INHERITED;
};
#endif
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