Add GrAASmallPathRenderer.

src/gpu/effects/GrDistanceFieldTextureEffect.h

 /*
  * 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 GrDistanceFieldTextureEffect_DEFINED
 #define GrDistanceFieldTextureEffect_DEFINED
 
 #include "GrProcessor.h"
 #include "GrGeometryProcessor.h"
 
 class GrGLDistanceFieldTextureEffect;
+class GrGLDistanceFieldNoGammaTextureEffect;
 class GrGLDistanceFieldLCDTextureEffect;
 
 enum GrDistanceFieldEffectFlags {
     kSimilarity_DistanceFieldEffectFlag = 0x01,   // ctm is similarity matrix
     kRectToRect_DistanceFieldEffectFlag = 0x02,   // ctm maps rects to rects
     kUseLCD_DistanceFieldEffectFlag     = 0x04,   // use lcd text
     kBGR_DistanceFieldEffectFlag        = 0x08,   // lcd display has bgr order
     kPortrait_DistanceFieldEffectFlag   = 0x10,   // lcd display is in portrait mode (not used yet)
     
     kUniformScale_DistanceFieldEffectMask = kSimilarity_DistanceFieldEffectFlag |
@@ skipping 60 matching lines @@
     float              fLuminance;
 #endif
     uint32_t           fFlags;
     const GrShaderVar& fInTextureCoords;
 
     GR_DECLARE_GEOMETRY_PROCESSOR_TEST;
 
     typedef GrFragmentProcessor INHERITED;
 };
 
+
+/**
+* The output color of this effect is a modulation of the input color and a sample from a
+* distance field texture (using a smoothed step function near 0.5).
+* It allows explicit specification of the filtering and wrap modes (GrTextureParams). The input
+* coords are a custom attribute. No gamma correct blending is applied.
+*/
+class GrDistanceFieldNoGammaTextureEffect : public GrGeometryProcessor {
+public:
+    static GrGeometryProcessor* Create(GrTexture* tex, const GrTextureParams& params,

[robertphillips, 2014/09/26 14:00:31]

line this up ?

[jvanverth1, 2014/10/03 17:28:24]

Done.

+        uint32_t flags) {
+        return  SkNEW_ARGS(GrDistanceFieldNoGammaTextureEffect, (tex, params, flags));
+    }
+
+    virtual ~GrDistanceFieldNoGammaTextureEffect() {}
+
+    static const char* Name() { return "DistanceFieldTexture"; }
+
+    virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags) const SK_OVERRIDE;
+
+    const GrShaderVar& inTextureCoords() const { return fInTextureCoords; }
+    uint32_t getFlags() const { return fFlags; }
+

[robertphillips, 2014/09/26 14:00:31]

Where is this used ?

[jvanverth1, 2014/10/03 17:28:24]

In GrTBackendProcessorFactory.

+    typedef GrGLDistanceFieldNoGammaTextureEffect GLProcessor;
+
+    virtual const GrBackendGeometryProcessorFactory& getFactory() const SK_OVERRIDE;
+
+private:
+    GrDistanceFieldNoGammaTextureEffect(GrTexture* texture, const GrTextureParams& params,

[robertphillips, 2014/09/26 14:00:31]

line this up ?

[jvanverth1, 2014/10/03 17:28:24]

Done.

+        uint32_t flags);
+
+    virtual bool onIsEqual(const GrProcessor& other) const SK_OVERRIDE;
+
+    GrTextureAccess    fTextureAccess;
+    uint32_t           fFlags;
+    const GrShaderVar& fInTextureCoords;
+
+    GR_DECLARE_GEOMETRY_PROCESSOR_TEST;
+

[robertphillips, 2014/09/26 14:00:31]

GrGeometryProcessor ?

[jvanverth1, 2014/10/03 17:28:24]

Done.

+    typedef GrFragmentProcessor INHERITED;
+};
+
 /**
  * The output color of this effect is a modulation of the input color and samples from a
  * distance field texture (using a smoothed step function near 0.5), adjusted for LCD displays.
  * It allows explicit specification of the filtering and wrap modes (GrTextureParams). The input
  * coords are a custom attribute. Gamma correction is handled via a texture LUT.
  */
 class GrDistanceFieldLCDTextureEffect : public GrGeometryProcessor {
 public:
     static GrGeometryProcessor* Create(GrTexture* tex, const GrTextureParams& params,
                                        GrTexture* gamma, const GrTextureParams& gammaParams,
@@ skipping 28 matching lines @@
     GrColor            fTextColor;
     uint32_t           fFlags;
     const GrShaderVar& fInTextureCoords;
 
     GR_DECLARE_GEOMETRY_PROCESSOR_TEST;
 
     typedef GrFragmentProcessor INHERITED;
 };
 
 #endif