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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 "SkColorSpace_Base.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
{
}
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: teach GrRenderTarget to take ImageInfo directly to specify the src pixels
GrPixelConfig config = SkImageInfo2GrPixelConfig(dstInfo, *fContext->caps());
if (kUnknown_GrPixelConfig == config) {
return false;
}
// TODO: this seems to duplicate code in SkImage_Gpu::onReadPixels
if (kUnpremul_SkAlphaType == dstInfo.alphaType()) {
flags |= GrContextPriv::kUnpremul_PixelOpsFlag;
}
return fContext->contextPriv().readSurfacePixels(this, x, y,
dstInfo.width(), dstInfo.height(), config,
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");
// TODO: teach GrRenderTarget to take ImageInfo directly to specify the src pixels
GrPixelConfig config = SkImageInfo2GrPixelConfig(srcInfo, *fContext->caps());
if (kUnknown_GrPixelConfig == config) {
return false;
}
if (kUnpremul_SkAlphaType == srcInfo.alphaType()) {
flags |= GrContextPriv::kUnpremul_PixelOpsFlag;
}
return fContext->contextPriv().writeSurfacePixels(this, x, y,
srcInfo.width(), srcInfo.height(),
config, 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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