blob: ead9401f4af93167aa96e38099a1a090570b229a [file] [log] [blame]
/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "include/gpu/GrContext.h"
#include "include/gpu/GrSurface.h"
#include "include/gpu/GrTexture.h"
#include "src/gpu/GrRenderTarget.h"
#include "src/gpu/GrResourceProvider.h"
#include "src/gpu/GrSurfacePriv.h"
#include "src/core/SkMathPriv.h"
#include "src/gpu/SkGr.h"
size_t GrSurface::ComputeSize(const GrCaps& caps,
const GrBackendFormat& format,
SkISize dimensions,
int colorSamplesPerPixel,
GrMipMapped mipMapped,
bool binSize) {
size_t colorSize;
if (binSize) {
dimensions = GrResourceProvider::MakeApprox(dimensions);
}
// Just setting a defualt value here to appease warnings on uninitialized object.
SkImage::CompressionType compressionType = SkImage::kETC1_CompressionType;
if (caps.isFormatCompressed(format, &compressionType)) {
colorSize = GrCompressedFormatDataSize(compressionType, dimensions);
} else {
colorSize = (size_t)dimensions.width() * dimensions.height() * caps.bytesPerPixel(format);
}
SkASSERT(colorSize > 0);
size_t finalSize = colorSamplesPerPixel * colorSize;
if (GrMipMapped::kYes == mipMapped) {
// We don't have to worry about the mipmaps being a different dimensions than
// we'd expect because we never change fDesc.fWidth/fHeight.
finalSize += colorSize/3;
}
return finalSize;
}
//////////////////////////////////////////////////////////////////////////////
void GrSurface::onRelease() {
this->invokeReleaseProc();
this->INHERITED::onRelease();
}
void GrSurface::onAbandon() {
this->invokeReleaseProc();
this->INHERITED::onAbandon();
}