Generate path names on the client side

src/gpu/gl/GrGpuGL.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 GrGpuGL_DEFINED
 #define GrGpuGL_DEFINED
 
 #include "GrBinHashKey.h"
 #include "GrDrawState.h"
 #include "GrGLContext.h"
 #include "GrGLIRect.h"
 #include "GrGLIndexBuffer.h"
 #include "GrGLProgram.h"
 #include "GrGLStencilBuffer.h"
 #include "GrGLTexture.h"
 #include "GrGLVertexArray.h"
 #include "GrGLVertexBuffer.h"
 #include "GrGpu.h"
 #include "GrTHashTable.h"
 #include "SkTypes.h"
 
 #ifdef SK_DEVELOPER
 #define PROGRAM_CACHE_STATS
 #endif
 
+class GrGLNameAllocator;
+
 class GrGpuGL : public GrGpu {
 public:
     GrGpuGL(const GrGLContext& ctx, GrContext* context);
     virtual ~GrGpuGL();
 
     const GrGLContext& glContext() const { return fGLContext; }
 
     const GrGLInterface* glInterface() const { return fGLContext.interface(); }
     const GrGLContextInfo& ctxInfo() const { return fGLContext; }
     GrGLStandard glStandard() const { return fGLContext.standard(); }
@@ skipping 60 matching lines @@
     }
     void notifyVertexBufferDelete(GrGLuint id) {
         fHWGeometryState.notifyVertexBufferDelete(id);
     }
     void notifyIndexBufferDelete(GrGLuint id) {
         fHWGeometryState.notifyIndexBufferDelete(id);
     }
     void notifyTextureDelete(GrGLTexture* texture);
     void notifyRenderTargetDelete(GrRenderTarget* renderTarget);
 
+    // These functions should be used to generate and delete GL path names. They have their own
+    // allocator that runs on the client side, so they are much faster than going through GenPaths.
+    GrGLuint createGLPathObject();
+    void deleteGLPathObject(GrGLuint);
+
 protected:
     virtual bool onCopySurface(GrSurface* dst,
                                GrSurface* src,
                                const SkIRect& srcRect,
                                const SkIPoint& dstPoint) SK_OVERRIDE;
 
     virtual bool onCanCopySurface(GrSurface* dst,
                                   GrSurface* src,
                                   const SkIRect& srcRect,
                                   const SkIPoint& dstPoint) SK_OVERRIDE;
@@ skipping 333 matching lines @@
         GrGLfloat fCoefficients[3 * 3];
     };
     int                         fHWActivePathTexGenSets;
     SkTArray<PathTexGenData, true>  fHWPathTexGenSettings;
     ///@}
 
     // we record what stencil format worked last time to hopefully exit early
     // from our loop that tries stencil formats and calls check fb status.
     int fLastSuccessfulStencilFmtIdx;
 
+    SkAutoTDelete<GrGLNameAllocator> fPathNameAllocator;
+
     typedef GrGpu INHERITED;
 };
 
 #endif