Add transfer buffer support.

src/gpu/gl/GrGLGpu.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 GrGLGpu_DEFINED
 #define GrGLGpu_DEFINED
 
 #include "GrGLContext.h"
 #include "GrGLIRect.h"
 #include "GrGLIndexBuffer.h"
 #include "GrGLPathRendering.h"
 #include "GrGLProgram.h"
 #include "GrGLRenderTarget.h"
 #include "GrGLStencilAttachment.h"
 #include "GrGLTexture.h"
+#include "GrGLTransferBuffer.h"
 #include "GrGLVertexArray.h"
 #include "GrGLVertexBuffer.h"
 #include "GrGpu.h"
 #include "GrPipelineBuilder.h"
 #include "GrXferProcessor.h"
 #include "SkTypes.h"
 
 class GrPipeline;
 class GrNonInstancedVertices;
 
@@ skipping 65 matching lines @@
     void buildProgramDesc(GrProgramDesc*,
                           const GrPrimitiveProcessor&,
                           const GrPipeline&) const override;
 
     // id and type (GL_ARRAY_BUFFER or GL_ELEMENT_ARRAY_BUFFER) of buffer to bind
     void bindBuffer(GrGLuint id, GrGLenum type);
 
     void releaseBuffer(GrGLuint id, GrGLenum type);
 
     // sizes are in bytes
-    void* mapBuffer(GrGLuint id, GrGLenum type, bool dynamic, size_t currentSize,
+    void* mapBuffer(GrGLuint id, GrGLenum type, GrGLBufferImpl::Usage usage, size_t currentSize,
                     size_t requestedSize);
 
     void unmapBuffer(GrGLuint id, GrGLenum type, void* mapPtr);
 
-    void bufferData(GrGLuint id, GrGLenum type, bool dynamic, size_t currentSize,
+    void bufferData(GrGLuint id, GrGLenum type, GrGLBufferImpl::Usage usage, size_t currentSize,
                     const void* src, size_t srcSizeInBytes);
 
     const GrGLContext* glContextForTesting() const override {
         return &this->glContext();
     }
 
     void clearStencil(GrRenderTarget*) override;
 
     void invalidateBoundRenderTarget() {
         fHWBoundRenderTargetUniqueID = SK_InvalidUniqueID;
@@ skipping 16 matching lines @@
 
     void xferBarrier(GrRenderTarget*, GrXferBarrierType) override;
 
     GrTexture* onCreateTexture(const GrSurfaceDesc& desc, GrGpuResource::LifeCycle lifeCycle,
                                const void* srcData, size_t rowBytes) override;
     GrTexture* onCreateCompressedTexture(const GrSurfaceDesc& desc,
                                          GrGpuResource::LifeCycle lifeCycle,
                                          const void* srcData) override;
     GrVertexBuffer* onCreateVertexBuffer(size_t size, bool dynamic) override;
     GrIndexBuffer* onCreateIndexBuffer(size_t size, bool dynamic) override;
+    GrTransferBuffer* onCreateTransferBuffer(size_t size, TransferType type) override;
     GrTexture* onWrapBackendTexture(const GrBackendTextureDesc&, GrWrapOwnership) override;
     GrRenderTarget* onWrapBackendRenderTarget(const GrBackendRenderTargetDesc&,
                                               GrWrapOwnership) override;
     // Given a GrPixelConfig return the index into the stencil format array on GrGLCaps to a
     // compatible stencil format.
     int getCompatibleStencilIndex(GrPixelConfig config);
 
     void onClear(GrRenderTarget*, const SkIRect& rect, GrColor color) override;
 
     void onClearStencilClip(GrRenderTarget*, const SkIRect& rect, bool insideClip) override;
@@ skipping 369 matching lines @@
 
     // Mapping of pixel configs to known supported stencil formats to be used
     // when adding a stencil buffer to a framebuffer.
     int fPixelConfigToStencilIndex[kGrPixelConfigCnt];
 
     typedef GrGpu INHERITED;
     friend class GrGLPathRendering; // For accessing setTextureUnit.
 };
 
 #endif