gl programs rewrite

src/gpu/GrDrawTarget.h

 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrDrawTarget_DEFINED
 #define GrDrawTarget_DEFINED
 
@@ skipping 837 matching lines @@
         int                     fInstanceCount;
         int                     fVerticesPerInstance;
         int                     fIndicesPerInstance;
 
         SkRect                  fDevBoundsStorage;
         SkRect*                 fDevBounds;
 
         GrDeviceCoordTexture    fDstCopy;
     };
 
+    // Makes a copy of the dst if it is necessary for the draw. Returns false if a copy is required
+    // but couldn't be made. Otherwise, returns true.  This method needs to be protected because it
+    // needs to be accessed by GLPrograms to setup a correct drawstate
+    bool setupDstReadIfNecessary(DrawInfo* info) {
+        return this->setupDstReadIfNecessary(&info->fDstCopy, info->getDevBounds());
+    }
+    bool setupDstReadIfNecessary(GrDeviceCoordTexture* dstCopy, const SkRect* drawBounds);
+
 private:
     // A subclass can optionally overload this function to be notified before
     // vertex and index space is reserved.
     virtual void willReserveVertexAndIndexSpace(int vertexCount, int indexCount) {}
 
     // implemented by subclass to allocate space for reserved geom
     virtual bool onReserveVertexSpace(size_t vertexSize, int vertexCount, void** vertices) = 0;
     virtual bool onReserveIndexSpace(int indexCount, void** indices) = 0;
     // implemented by subclass to handle release of reserved geom space
     virtual void releaseReservedVertexSpace() = 0;
@@ skipping 38 matching lines @@
 
     // called by drawIndexed and drawNonIndexed. Use a negative indexCount to
     // indicate non-indexed drawing.
     bool checkDraw(GrPrimitiveType type, int startVertex,
                    int startIndex, int vertexCount,
                    int indexCount) const;
     // called when setting a new vert/idx source to unref prev vb/ib
     void releasePreviousVertexSource();
     void releasePreviousIndexSource();
 
-    // Makes a copy of the dst if it is necessary for the draw. Returns false if a copy is required
-    // but couldn't be made. Otherwise, returns true.
-    bool setupDstReadIfNecessary(DrawInfo* info) {
-        return this->setupDstReadIfNecessary(&info->fDstCopy, info->getDevBounds());
-    }
-    bool setupDstReadIfNecessary(GrDeviceCoordTexture* dstCopy, const SkRect* drawBounds);
-
     // Check to see if this set of draw commands has been sent out
     virtual bool       isIssued(uint32_t drawID) { return true; }
 
     enum {
         kPreallocGeoSrcStateStackCnt = 4,
     };
     SkSTArray<kPreallocGeoSrcStateStackCnt, GeometrySrcState, true> fGeoSrcStateStack;
     const GrClipData*                                               fClip;
     GrDrawState*                                                    fDrawState;
     GrDrawState                                                     fDefaultDrawState;
     // The context owns us, not vice-versa, so this ptr is not ref'ed by DrawTarget.
     GrContext*                                                      fContext;
     // To keep track that we always have at least as many debug marker adds as removes
     int                                                             fGpuTraceMarkerCount;
     GrTraceMarkerSet                                                fActiveTraceMarkers;
     GrTraceMarkerSet                                                fStoredTraceMarkers;
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif