blob: f1b1a35851047f19d35172757ed44593468d898b [file] [log] [blame]
/*
* Copyright 2019 Google LLC
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "src/gpu/GrTextureResolveRenderTask.h"
#include "src/gpu/GrGpu.h"
#include "src/gpu/GrMemoryPool.h"
#include "src/gpu/GrOpFlushState.h"
#include "src/gpu/GrRenderTarget.h"
#include "src/gpu/GrResourceAllocator.h"
#include "src/gpu/GrTexture.h"
void GrTextureResolveRenderTask::addProxy(GrDrawingManager* drawingMgr,
sk_sp<GrSurfaceProxy> proxyRef,
GrSurfaceProxy::ResolveFlags flags,
const GrCaps& caps) {
Resolve& resolve = fResolves.emplace_back(flags);
GrSurfaceProxy* proxy = proxyRef.get();
// Ensure the last render task that operated on the proxy is closed. That's where msaa and
// mipmaps should have been marked dirty.
SkASSERT(!drawingMgr->getLastRenderTask(proxy)
|| drawingMgr->getLastRenderTask(proxy)->isClosed());
SkASSERT(GrSurfaceProxy::ResolveFlags::kNone != flags);
if (GrSurfaceProxy::ResolveFlags::kMSAA & flags) {
GrRenderTargetProxy* renderTargetProxy = proxy->asRenderTargetProxy();
SkASSERT(renderTargetProxy);
SkASSERT(renderTargetProxy->isMSAADirty());
resolve.fMSAAResolveRect = renderTargetProxy->msaaDirtyRect();
renderTargetProxy->markMSAAResolved();
}
if (GrSurfaceProxy::ResolveFlags::kMipMaps & flags) {
GrTextureProxy* textureProxy = proxy->asTextureProxy();
SkASSERT(GrMipmapped::kYes == textureProxy->mipmapped());
SkASSERT(textureProxy->mipmapsAreDirty());
textureProxy->markMipmapsClean();
}
// Add the proxy as a dependency: We will read the existing contents of this texture while
// generating mipmap levels and/or resolving MSAA.
this->addDependency(drawingMgr, proxy, GrMipmapped::kNo,
GrTextureResolveManager(nullptr), caps);
this->addTarget(drawingMgr, GrSurfaceProxyView(std::move(proxyRef)));
}
void GrTextureResolveRenderTask::gatherProxyIntervals(GrResourceAllocator* alloc) const {
// This renderTask doesn't have "normal" ops, however we still need to add intervals so
// fEndOfOpsTaskOpIndices will remain in sync. We create fake op#'s to capture the fact that we
// manipulate the resolve proxies.
auto fakeOp = alloc->curOp();
SkASSERT(fResolves.count() == this->numTargets());
for (const GrSurfaceProxyView& target : fTargets) {
alloc->addInterval(target.proxy(), fakeOp, fakeOp,
GrResourceAllocator::ActualUse::kYes);
}
alloc->incOps();
}
bool GrTextureResolveRenderTask::onExecute(GrOpFlushState* flushState) {
// Resolve all msaa back-to-back, before regenerating mipmaps.
SkASSERT(fResolves.count() == this->numTargets());
for (int i = 0; i < fResolves.count(); ++i) {
const Resolve& resolve = fResolves[i];
if (GrSurfaceProxy::ResolveFlags::kMSAA & resolve.fFlags) {
GrSurfaceProxy* proxy = this->target(i).proxy();
// peekRenderTarget might be null if there was an instantiation error.
if (GrRenderTarget* renderTarget = proxy->peekRenderTarget()) {
flushState->gpu()->resolveRenderTarget(renderTarget, resolve.fMSAAResolveRect);
}
}
}
// Regenerate all mipmaps back-to-back.
for (int i = 0; i < fResolves.count(); ++i) {
const Resolve& resolve = fResolves[i];
if (GrSurfaceProxy::ResolveFlags::kMipMaps & resolve.fFlags) {
// peekTexture might be null if there was an instantiation error.
GrTexture* texture = this->target(i).proxy()->peekTexture();
if (texture && texture->mipmapsAreDirty()) {
flushState->gpu()->regenerateMipMapLevels(texture);
SkASSERT(!texture->mipmapsAreDirty());
}
}
}
return true;
}
#ifdef SK_DEBUG
void GrTextureResolveRenderTask::visitProxies_debugOnly(const GrOp::VisitProxyFunc& fn) const {}
#endif