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 "GrGLTransferBuffer.h"
 #include "GrGLVertexArray.h"
 #include "GrGLVertexBuffer.h"
 #include "GrGpu.h"
 #include "GrPipelineBuilder.h"
+#include "GrTypes.h"
 #include "GrXferProcessor.h"
+#include "SkTArray.h"
 #include "SkTypes.h"
 
 class GrPipeline;
 class GrNonInstancedVertices;
 class GrSwizzle;
 
 #ifdef SK_DEVELOPER
 #define PROGRAM_CACHE_STATS
 #endif
 
@@ skipping 103 matching lines @@
 
 private:
     GrGLGpu(GrGLContext* ctx, GrContext* context);
 
     // GrGpu overrides
     void onResetContext(uint32_t resetBits) override;
 
     void xferBarrier(GrRenderTarget*, GrXferBarrierType) override;
 
     GrTexture* onCreateTexture(const GrSurfaceDesc& desc, GrGpuResource::LifeCycle lifeCycle,
-                               const void* srcData, size_t rowBytes) override;
+                               const SkTArray<GrMipLevel>& texels) override;
     GrTexture* onCreateCompressedTexture(const GrSurfaceDesc& desc,
                                          GrGpuResource::LifeCycle lifeCycle,
-                                         const void* srcData) override;
+                                         const SkTArray<GrMipLevel>& texels) 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;
     GrRenderTarget* onWrapBackendTextureAsRenderTarget(const GrBackendTextureDesc&,
                                                        GrWrapOwnership) override;
     // Given a GrPixelConfig return the index into the stencil format array on GrGLCaps to a
     // compatible stencil format, or negative if there is no compatible stencil format.
     int getCompatibleStencilIndex(GrPixelConfig config);
 
     // If |desc.fTextureStorageAllocator| exists, use that to create the
     // texture. Otherwise, create the texture directly.
     // Returns whether the texture is successfully created. On success, the
     // result is stored in |info|.
-    // The texture is populated with |srcData|, if it exists.
+    // The texture is populated with |texels|, if it exists.
     // The texture parameters are cached in |initialTexParams|.
     bool createTextureImpl(const GrSurfaceDesc& desc, GrGLTextureInfo* info,
-                           bool renderTarget, const void* srcData,
-                           GrGLTexture::TexParams* initialTexParams, size_t rowBytes);
+                           bool renderTarget, GrGLTexture::TexParams* initialTexParams,
+                           const SkTArray<GrMipLevel>& texels);
     bool createTextureExternalAllocatorImpl(const GrSurfaceDesc& desc, GrGLTextureInfo* info,
-                                            const void* srcData, size_t rowBytes);
+                                            const SkTArray<GrMipLevel>& texels);
 
     void onClear(GrRenderTarget*, const SkIRect& rect, GrColor color) override;
 
     void onClearStencilClip(GrRenderTarget*, const SkIRect& rect, bool insideClip) override;
 
     bool onMakeCopyForTextureParams(GrTexture*, const GrTextureParams&,
                                     GrTextureProducer::CopyParams*) const override;
 
     // Checks whether glReadPixels can be called to get pixel values in readConfig from the
     // render target.
@@ skipping 11 matching lines @@
 
     bool onReadPixels(GrSurface*,
                       int left, int top,
                       int width, int height,
                       GrPixelConfig,
                       void* buffer,
                       size_t rowBytes) override;
 
     bool onWritePixels(GrSurface*,
                        int left, int top, int width, int height,
-                       GrPixelConfig config, const void* buffer,
-                       size_t rowBytes) override;
+                       GrPixelConfig config,
+                       const SkTArray<GrMipLevel>& texels) override;
 
     bool onTransferPixels(GrSurface*,
                           int left, int top, int width, int height,
                           GrPixelConfig config, GrTransferBuffer* buffer,
                           size_t offset, size_t rowBytes) override;
 
     void onResolveRenderTarget(GrRenderTarget* target) override;
 
     void onDraw(const DrawArgs&, const GrNonInstancedVertices&) override;
 
@@ skipping 119 matching lines @@
     enum UploadType {
         kNewTexture_UploadType,    // we are creating a new texture
         kWrite_UploadType,         // we are using TexSubImage2D to copy data to an existing texture
         kTransfer_UploadType,      // we are using a transfer buffer to copy data
     };
     bool uploadTexData(const GrSurfaceDesc& desc,
                        GrGLenum target,
                        UploadType uploadType,
                        int left, int top, int width, int height,
                        GrPixelConfig dataConfig,
-                       const void* data,
-                       size_t rowBytes);
+                       const SkTArray<GrMipLevel>& 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,
                                  GrGLenum target,
-                                 const void* data,
+                                 const SkTArray<GrMipLevel>& texels,
                                  UploadType uploadType = kNewTexture_UploadType,
                                  int left = 0, int top = 0,
                                  int width = -1, int height = -1);
 
     bool createRenderTargetObjects(const GrSurfaceDesc&, GrGpuResource::LifeCycle lifeCycle,
                                    const GrGLTextureInfo& texInfo, GrGLRenderTarget::IDDesc*);
 
     enum TempFBOTarget {
         kSrc_TempFBOTarget,
         kDst_TempFBOTarget
@@ skipping 237 matching lines @@
     } fPLSSetupProgram;
 
     bool fHWPLSEnabled;
     bool fPLSHasBeenUsed;
 
     typedef GrGpu INHERITED;
     friend class GrGLPathRendering; // For accessing setTextureUnit.
 };
 
 #endif