src/gpu/GrStencilAndCoverPathRenderer.h

   1
   2 /*
   3  * Copyright 2012 Google Inc.
   4  *
   5  * Use of this source code is governed by a BSD-style license that can be
   6  * found in the LICENSE file.
   7  */
   8
   9 #ifndef GrBuiltInPathRenderer_DEFINED
  10 #define GrBuiltInPathRenderer_DEFINED
  11
  12 #include "GrPathRenderer.h"
  13
  14 class GrContext;
  15 class GrGpu;
  16
  17 /**
  18  * Uses GrGpu::stencilPath followed by a cover rectangle. This subclass doesn't apply AA; it relies
  19  * on the target having MSAA if AA is desired.
  20  */
  21 class GrStencilAndCoverPathRenderer : public GrPathRenderer {
  22 public:
  23
  24     static GrPathRenderer* Create(GrContext*);
  25
  26     virtual ~GrStencilAndCoverPathRenderer();
  27
  28     virtual bool canDrawPath(const GrDrawTarget*,
  29                              const GrPipelineBuilder*,
  30                              const SkMatrix& viewMatrix,
  31                              const SkPath&,
  32                              const SkStrokeRec&,
  33                              bool antiAlias) const SK_OVERRIDE;
  34
  35 protected:
  36     virtual StencilSupport onGetStencilSupport(const GrDrawTarget*,
  37                                                const GrPipelineBuilder*,
  38                                                const SkPath&,
  39                                                const SkStrokeRec&) const SK_OVERRIDE;
  40
  41     virtual bool onDrawPath(GrDrawTarget*,
  42                             GrPipelineBuilder*,
  43                             GrColor,
  44                             const SkMatrix& viewMatrix,
  45                             const SkPath&,
  46                             const SkStrokeRec&,
  47                             bool antiAlias) SK_OVERRIDE;
  48
  49     virtual void onStencilPath(GrDrawTarget*,
  50                                GrPipelineBuilder*,
  51                                const SkMatrix& viewMatrix,
  52                                const SkPath&,
  53                                const SkStrokeRec&) SK_OVERRIDE;
  54
  55 private:
  56     GrStencilAndCoverPathRenderer(GrGpu*);
  57
  58     GrGpu* fGpu;
  59
  60     typedef GrPathRenderer INHERITED;
  61 };
  62
  63 #endif