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/*
* Copyright (c) 2013, Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "platform/graphics/skia/GaneshUtils.h"
#include "third_party/skia/include/core/SkCanvas.h"
#include "third_party/skia/include/gpu/SkGrPixelRef.h"
namespace blink {
bool ensureTextureBackedSkBitmap(GrContext* gr, SkBitmap& bitmap, const IntSize& size, GrSurfaceOrigin origin, GrPixelConfig config)
{
if (!bitmap.getTexture() || bitmap.width() != size.width() || bitmap.height() != size.height()) {
if (!gr)
return false;
GrTextureDesc desc;
desc.fConfig = config;
desc.fFlags = kRenderTarget_GrTextureFlagBit | kNoStencil_GrTextureFlagBit;
desc.fSampleCnt = 0;
desc.fOrigin = origin;
desc.fWidth = size.width();
desc.fHeight = size.height();
SkAutoTUnref<GrTexture> texture(gr->createUncachedTexture(desc, 0, 0));
if (!texture.get())
return false;
SkImageInfo info = SkImageInfo::MakeN32Premul(desc.fWidth, desc.fHeight);
SkGrPixelRef* pixelRef = SkNEW_ARGS(SkGrPixelRef, (info, texture.get()));
if (!pixelRef)
return false;
bitmap.setInfo(info);
bitmap.setPixelRef(pixelRef)->unref();
}
return true;
}
} // namespace blink
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