Add support for vertex and geometry shader textures

include/gpu/GrTexture.h

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrTexture_DEFINED
 #define GrTexture_DEFINED
 
 #include "GrSurface.h"
 #include "SkPoint.h"
 #include "SkRefCnt.h"
 
 class GrTextureParams;
 class GrTexturePriv;
 
 class GrTexture : virtual public GrSurface {
 public:
     GrTexture* asTexture() override { return this; }
     const GrTexture* asTexture() const override { return this; }
+    GrSLType samplerType() const { return fSamplerType; }
 
     /**
      *  Return the native ID or handle to the texture, depending on the
      *  platform. e.g. on OpenGL, return the texture ID.
      */
     virtual GrBackendObject getTextureHandle() const = 0;
 
     /**
      * This function indicates that the texture parameters (wrap mode, filtering, ...) have been
      * changed externally to Skia.
      */
     virtual void textureParamsModified() = 0;
 
 #ifdef SK_DEBUG
     void validate() const {
         this->INHERITED::validate();
         this->validateDesc();
     }
 #endif
 
     /** Access methods that are only to be used within Skia code. */
     inline GrTexturePriv texturePriv();
     inline const GrTexturePriv texturePriv() const;
 
 protected:
-    GrTexture(GrGpu*, LifeCycle, const GrSurfaceDesc&, bool wasMipMapDataProvided);
+    GrTexture(GrGpu*, LifeCycle, const GrSurfaceDesc&, GrSLType, bool wasMipMapDataProvided);
 
     void validateDesc() const;
 
 private:
     size_t onGpuMemorySize() const override;
     void dirtyMipMaps(bool mipMapsDirty);
 
     enum MipMapsStatus {
         kNotAllocated_MipMapsStatus,
         kAllocated_MipMapsStatus,
         kValid_MipMapsStatus
     };
 
+    GrSLType        fSamplerType;
     MipMapsStatus   fMipMapsStatus;
-    int fMaxMipMapLevel;
+    int             fMaxMipMapLevel;
 
     friend class GrTexturePriv;
 
     typedef GrSurface INHERITED;
 };
 
 #endif