| /* |
| * 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 "src/core/SkArenaAlloc.h" |
| #include "src/gpu/GrGeometryProcessor.h" |
| #include "src/gpu/GrProcessor.h" |
| |
| class GrGLBitmapTextGeoProc; |
| class GrInvariantOutput; |
| class GrSurfaceProxyView; |
| |
| /** |
| * 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 GrGeometryProcessor* Make(SkArenaAlloc* arena, |
| const GrShaderCaps& caps, |
| const SkPMColor4f& color, |
| bool wideColor, |
| const GrSurfaceProxyView* views, |
| int numActiveViews, |
| GrSamplerState p, |
| GrMaskFormat format, |
| const SkMatrix& localMatrix, |
| bool usesW) { |
| return arena->make([&](void* ptr) { |
| return new (ptr) GrBitmapTextGeoProc(caps, color, wideColor, views, numActiveViews, |
| p, format, localMatrix, usesW); |
| }); |
| } |
| |
| ~GrBitmapTextGeoProc() override {} |
| |
| const char* name() const override { return "BitmapText"; } |
| |
| const Attribute& inPosition() const { return fInPosition; } |
| const Attribute& inColor() const { return fInColor; } |
| const Attribute& inTextureCoords() const { return fInTextureCoords; } |
| GrMaskFormat maskFormat() const { return fMaskFormat; } |
| const SkPMColor4f& color() const { return fColor; } |
| bool hasVertexColor() const { return fInColor.isInitialized(); } |
| const SkMatrix& localMatrix() const { return fLocalMatrix; } |
| bool usesW() const { return fUsesW; } |
| const SkISize& atlasDimensions() const { return fAtlasDimensions; } |
| |
| void addNewViews(const GrSurfaceProxyView*, int numActiveViews, GrSamplerState); |
| |
| void getGLSLProcessorKey(const GrShaderCaps& caps, GrProcessorKeyBuilder* b) const override; |
| |
| GrGLSLGeometryProcessor* createGLSLInstance(const GrShaderCaps& caps) const override; |
| |
| private: |
| GrBitmapTextGeoProc(const GrShaderCaps&, const SkPMColor4f&, bool wideColor, |
| const GrSurfaceProxyView* views, int numViews, GrSamplerState params, |
| GrMaskFormat format, const SkMatrix& localMatrix, bool usesW); |
| |
| const TextureSampler& onTextureSampler(int i) const override { return fTextureSamplers[i]; } |
| |
| SkPMColor4f fColor; |
| SkMatrix fLocalMatrix; |
| bool fUsesW; |
| SkISize fAtlasDimensions; // dimensions for all textures used with fTextureSamplers[]. |
| TextureSampler fTextureSamplers[kMaxTextures]; |
| Attribute fInPosition; |
| Attribute fInColor; |
| Attribute fInTextureCoords; |
| GrMaskFormat fMaskFormat; |
| |
| GR_DECLARE_GEOMETRY_PROCESSOR_TEST |
| |
| using INHERITED = GrGeometryProcessor; |
| }; |
| |
| #endif |