1/* 2 * Copyright 2013 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8#ifndef GrBitmapTextGeoProc_DEFINED 9#define GrBitmapTextGeoProc_DEFINED 10 11#include "GrProcessor.h" 12#include "GrGeometryProcessor.h" 13 14class GrGLBitmapTextGeoProc; 15class GrInvariantOutput; 16 17/** 18 * The output color of this effect is a modulation of the input color and a sample from a texture. 19 * It allows explicit specification of the filtering and wrap modes (GrSamplerState). The input 20 * coords are a custom attribute. 21 */ 22class GrBitmapTextGeoProc : public GrGeometryProcessor { 23public: 24 static constexpr int kMaxTextures = 4; 25 26 static sk_sp<GrGeometryProcessor> Make(GrColor color, 27 const sk_sp<GrTextureProxy> proxies[kMaxTextures], 28 const GrSamplerState& p, GrMaskFormat format, 29 const SkMatrix& localMatrix, bool usesLocalCoords) { 30 return sk_sp<GrGeometryProcessor>( 31 new GrBitmapTextGeoProc(color, proxies, p, format, 32 localMatrix, usesLocalCoords)); 33 } 34 35 ~GrBitmapTextGeoProc() override {} 36 37 const char* name() const override { return "Texture"; } 38 39 const Attribute* inPosition() const { return fInPosition; } 40 const Attribute* inColor() const { return fInColor; } 41 const Attribute* inTextureCoords() const { return fInTextureCoords; } 42 GrMaskFormat maskFormat() const { return fMaskFormat; } 43 GrColor color() const { return fColor; } 44 bool hasVertexColor() const { return SkToBool(fInColor); } 45 const SkMatrix& localMatrix() const { return fLocalMatrix; } 46 bool usesLocalCoords() const { return fUsesLocalCoords; } 47 48 void addNewProxies(const sk_sp<GrTextureProxy> proxies[kMaxTextures], const GrSamplerState& p); 49 50 void getGLSLProcessorKey(const GrShaderCaps& caps, GrProcessorKeyBuilder* b) const override; 51 52 GrGLSLPrimitiveProcessor* createGLSLInstance(const GrShaderCaps& caps) const override; 53 54private: 55 GrBitmapTextGeoProc(GrColor, const sk_sp<GrTextureProxy> proxies[kMaxTextures], 56 const GrSamplerState& params, GrMaskFormat format, 57 const SkMatrix& localMatrix, bool usesLocalCoords); 58 59 GrColor fColor; 60 SkMatrix fLocalMatrix; 61 bool fUsesLocalCoords; 62 TextureSampler fTextureSamplers[kMaxTextures]; 63 const Attribute* fInPosition; 64 const Attribute* fInColor; 65 const Attribute* fInTextureCoords; 66 GrMaskFormat fMaskFormat; 67 68 GR_DECLARE_GEOMETRY_PROCESSOR_TEST 69 70 typedef GrGeometryProcessor INHERITED; 71}; 72 73#endif 74