refactor parts of SkGr.cpp for use by SkImages

include/gpu/SkGr.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.
  */
 
 
 
@@ skipping 51 matching lines @@
     return GrColorPackRGBA(r, g, b, a);
 }
 
 static inline GrColor SkColor2GrColorJustAlpha(SkColor c) {
     U8CPU a = SkColorGetA(c);
     return GrColorPackRGBA(a, a, a, a);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 
+/**
+ *  If the compressed data in the SkData is supported (as a texture format, this returns
+ *  the pixel-config that should be used, and sets outStartOfDataToUpload to the ptr into
+ *  the data where the actual raw data starts (skipping any header bytes).
+ *
+ *  If the compressed data is not supported, this returns kUnknown_GrPixelConfig, and
+ *  ignores outStartOfDataToUpload.
+ */
+GrPixelConfig GrIsCompressedTextureDataSupported(GrContext* ctx, SkData* data,
+                                                 int expectedW, int expectedH,
+                                                 const void** outStartOfDataToUpload);
+
 bool GrIsBitmapInCache(const GrContext*, const SkBitmap&, const GrTextureParams*);
 
 GrTexture* GrRefCachedBitmapTexture(GrContext*, const SkBitmap&, const GrTextureParams*);
 GrTexture* GrRefCachedBitmapTexture(GrContext*, const SkBitmap&, SkImageUsageType);
 
+GrTexture* GrCreateTextureForPixels(GrContext*, const GrUniqueKey& optionalKey, GrSurfaceDesc,
+                                    SkPixelRef* pixelRefForInvalidationNotificationOrNull,
+                                    const void* pixels, size_t rowBytesOrZero);
+
 ////////////////////////////////////////////////////////////////////////////////
 
 // Converts a SkPaint to a GrPaint, ignoring the SkPaint's shader.
 // Sets the color of GrPaint to the value of the parameter paintColor
 // Callers may subsequently modify the GrPaint. Setting constantColor indicates
 // that the final paint will draw the same color at every pixel. This allows
 // an optimization where the color filter can be applied to the SkPaint's
 // color once while converting to GrPaint and then ignored. TODO: Remove this
 // bool and use the invariant info to automatically apply the color filter.
 bool SkPaint2GrPaintNoShader(GrContext* context, GrRenderTarget*, const SkPaint& skPaint,
@@ skipping 17 matching lines @@
                                                             bool* doBicubic);
 
 ////////////////////////////////////////////////////////////////////////////////
 // Classes
 
 class SkGlyphCache;
 
 ////////////////////////////////////////////////////////////////////////////////
 
 #endif