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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "GrSurfaceContext.h"
#include "GrContextPriv.h"
#include "GrDrawingManager.h"
#include "GrOpList.h"
#include "SkGr.h"
#include "../private/GrAuditTrail.h"
#define ASSERT_SINGLE_OWNER \
SkDEBUGCODE(GrSingleOwner::AutoEnforce debug_SingleOwner(this->singleOwner());)
#define RETURN_FALSE_IF_ABANDONED if (this->drawingManager()->wasAbandoned()) { return false; }
// In MDB mode the reffing of the 'getLastOpList' call's result allows in-progress
// GrOpLists to be picked up and added to by renderTargetContexts lower in the call
// stack. When this occurs with a closed GrOpList, a new one will be allocated
// when the renderTargetContext attempts to use it (via getOpList).
GrSurfaceContext::GrSurfaceContext(GrContext* context,
GrDrawingManager* drawingMgr,
GrPixelConfig config,
sk_sp<SkColorSpace> colorSpace,
GrAuditTrail* auditTrail,
GrSingleOwner* singleOwner)
: fContext(context)
, fAuditTrail(auditTrail)
, fColorSpaceInfo(std::move(colorSpace), config)
, fDrawingManager(drawingMgr)
#ifdef SK_DEBUG
, fSingleOwner(singleOwner)
#endif
{
// We never should have a sRGB pixel config with a non-SRGB gamma color space.
SkASSERT(!GrPixelConfigIsSRGB(config) ||
(fColorSpaceInfo.colorSpace() && fColorSpaceInfo.colorSpace()->gammaCloseToSRGB()));
}
bool GrSurfaceContext::readPixels(const SkImageInfo& dstInfo, void* dstBuffer,
size_t dstRowBytes, int x, int y, uint32_t flags) {
ASSERT_SINGLE_OWNER
RETURN_FALSE_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrSurfaceContext::readPixels");
// TODO: this seems to duplicate code in SkImage_Gpu::onReadPixels
if (kUnpremul_SkAlphaType == dstInfo.alphaType() &&
!GrPixelConfigIsOpaque(this->asSurfaceProxy()->config())) {
flags |= GrContextPriv::kUnpremul_PixelOpsFlag;
}
auto colorType = SkColorTypeToGrColorType(dstInfo.colorType());
if (GrColorType::kUnknown == colorType) {
return false;
}
return fContext->contextPriv().readSurfacePixels(this, x, y, dstInfo.width(), dstInfo.height(),
colorType, dstInfo.colorSpace(), dstBuffer,
dstRowBytes, flags);
}
bool GrSurfaceContext::writePixels(const SkImageInfo& srcInfo, const void* srcBuffer,
size_t srcRowBytes, int x, int y, uint32_t flags) {
ASSERT_SINGLE_OWNER
RETURN_FALSE_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrSurfaceContext::writePixels");
if (kUnpremul_SkAlphaType == srcInfo.alphaType()) {
flags |= GrContextPriv::kUnpremul_PixelOpsFlag;
}
auto colorType = SkColorTypeToGrColorType(srcInfo.colorType());
if (GrColorType::kUnknown == colorType) {
return false;
}
return fContext->contextPriv().writeSurfacePixels(this, x, y, srcInfo.width(), srcInfo.height(),
colorType, srcInfo.colorSpace(), srcBuffer,
srcRowBytes, flags);
}
bool GrSurfaceContext::copy(GrSurfaceProxy* src, const SkIRect& srcRect, const SkIPoint& dstPoint) {
ASSERT_SINGLE_OWNER
RETURN_FALSE_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrSurfaceContext::onCopy");
return this->getOpList()->copySurface(*fContext->caps(),
this->asSurfaceProxy(), src, srcRect, dstPoint);
}
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