Creating functions for uploading a mipmapped texture.

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 "GrGLVertexArray.h"
 #include "GrGLVertexBuffer.h"
 #include "GrGpu.h"
 #include "GrPipelineBuilder.h"
 #include "GrXferProcessor.h"
+#include "SkMipMapLevel.h"
+#include "SkTArray.h"
 #include "SkTypes.h"
 
 class GrPipeline;
 class GrNonInstancedVertices;
 
 #ifdef SK_DEVELOPER
 #define PROGRAM_CACHE_STATS
 #endif
 
 class GrGLGpu : public GrGpu {
@@ skipping 83 matching lines @@
     bool isTestingOnlyBackendTexture(GrBackendObject id) const override;
     void deleteTestingOnlyBackendTexture(GrBackendObject id) const override;
 
 private:
     GrGLGpu(GrGLContext* ctx, GrContext* context);
 
     // GrGpu overrides
     void onResetContext(uint32_t resetBits) override;
 
     GrTexture* onCreateTexture(const GrSurfaceDesc& desc, GrGpuResource::LifeCycle lifeCycle,
-                               const void* srcData, size_t rowBytes) override;
+                               SkTArray<SkMipMapLevel>& texels) override;
     GrTexture* onCreateCompressedTexture(const GrSurfaceDesc& desc,
                                          GrGpuResource::LifeCycle lifeCycle,
-                                         const void* srcData) override;
+                                         SkTArray<SkMipMapLevel>& texels) override;
+
     GrVertexBuffer* onCreateVertexBuffer(size_t size, bool dynamic) override;
     GrIndexBuffer* onCreateIndexBuffer(size_t size, bool dynamic) override;
     GrTexture* onWrapBackendTexture(const GrBackendTextureDesc&, GrWrapOwnership) override;
     GrRenderTarget* onWrapBackendRenderTarget(const GrBackendRenderTargetDesc&,
                                               GrWrapOwnership) override;
     bool createStencilAttachmentForRenderTarget(GrRenderTarget* rt, int width, int height) override;
     bool attachStencilAttachmentToRenderTarget(GrStencilAttachment* sb,
                                                GrRenderTarget* rt) override;
 
     void onClear(GrRenderTarget*, const SkIRect* rect, GrColor color,
                  bool canIgnoreRect) override;
 
     void onClearStencilClip(GrRenderTarget*, const SkIRect& rect, bool insideClip) override;
 
     bool onReadPixels(GrRenderTarget* target,
                       int left, int top,
                       int width, int height,
                       GrPixelConfig,
                       void* buffer,
                       size_t rowBytes) override;
 
     bool onWriteTexturePixels(GrTexture* texture,
                               int left, int top, int width, int height,
-                              GrPixelConfig config, const void* buffer,
-                              size_t rowBytes) override;
+                              GrPixelConfig config,
+                              SkTArray<SkMipMapLevel>& texels) override;
 
     void onResolveRenderTarget(GrRenderTarget* target) override;
 
     void onDraw(const DrawArgs&, const GrNonInstancedVertices&) override;
 
     void clearStencil(GrRenderTarget*) override;
 
     // GrDrawTarget overrides
     void didAddGpuTraceMarker() override;
     void didRemoveGpuTraceMarker() override;
@@ skipping 103 matching lines @@
     bool configToGLFormats(GrPixelConfig config,
                            bool getSizedInternal,
                            GrGLenum* internalFormat,
                            GrGLenum* externalFormat,
                            GrGLenum* externalType) const;
     // helper for onCreateTexture and writeTexturePixels
     bool uploadTexData(const GrSurfaceDesc& desc,
                        bool isNewTexture,
                        int left, int top, int width, int height,
                        GrPixelConfig dataConfig,
-                       const void* data,
-                       size_t rowBytes);
+                       SkTArray<SkMipMapLevel>& texels);
 
     // helper for onCreateCompressedTexture. If width and height are
     // set to -1, then this function will use desc.fWidth and desc.fHeight
     // for the size of the data. The isNewTexture flag should be set to true
     // whenever a new texture needs to be created. Otherwise, we assume that
     // the texture is already in GPU memory and that it's going to be updated
     // with new data.
     bool uploadCompressedTexData(const GrSurfaceDesc& desc,
-                                 const void* data,
+                                 const SkTArray<SkMipMapLevel>& texels,
                                  bool isNewTexture = true,
                                  int left = 0, int top = 0,
                                  int width = -1, int height = -1);
 
     bool createRenderTargetObjects(const GrSurfaceDesc&, GrGpuResource::LifeCycle lifeCycle,
                                    GrGLuint texID, GrGLRenderTarget::IDDesc*);
 
     enum TempFBOTarget {
         kSrc_TempFBOTarget,
         kDst_TempFBOTarget
@@ skipping 200 matching lines @@
 
     // 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;
 
     typedef GrGpu INHERITED;
     friend class GrGLPathRendering; // For accessing setTextureUnit.
 };
 
 #endif