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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrDrawingManager_DEFINED
#define GrDrawingManager_DEFINED
#include "GrOpFlushState.h"
#include "GrPathRenderer.h"
#include "GrPathRendererChain.h"
#include "GrPreFlushResourceProvider.h"
#include "GrRenderTargetOpList.h"
#include "GrResourceCache.h"
#include "SkTArray.h"
#include "text/GrAtlasTextContext.h"
class GrContext;
class GrRenderTargetContext;
class GrRenderTargetProxy;
class GrSingleOWner;
class GrSoftwarePathRenderer;
class GrTextureContext;
class GrTextureOpList;
// The GrDrawingManager allocates a new GrRenderTargetContext for each GrRenderTarget
// but all of them still land in the same GrOpList!
//
// In the future this class will allocate a new GrRenderTargetContext for
// each GrRenderTarget/GrOpList and manage the DAG.
class GrDrawingManager {
public:
~GrDrawingManager();
bool wasAbandoned() const { return fAbandoned; }
void freeGpuResources();
sk_sp<GrRenderTargetContext> makeRenderTargetContext(sk_sp<GrSurfaceProxy>,
sk_sp<SkColorSpace>,
const SkSurfaceProps*);
sk_sp<GrTextureContext> makeTextureContext(sk_sp<GrSurfaceProxy>, sk_sp<SkColorSpace>);
// The caller automatically gets a ref on the returned opList. It must
// be balanced by an unref call.
sk_sp<GrRenderTargetOpList> newRTOpList(sk_sp<GrRenderTargetProxy> rtp);
sk_sp<GrTextureOpList> newTextureOpList(sk_sp<GrTextureProxy> textureProxy);
GrContext* getContext() { return fContext; }
GrAtlasTextContext* getAtlasTextContext();
GrPathRenderer* getPathRenderer(const GrPathRenderer::CanDrawPathArgs& args,
bool allowSW,
GrPathRendererChain::DrawType drawType,
GrPathRenderer::StencilSupport* stencilSupport = NULL);
void flushIfNecessary() {
if (fContext->getResourceCache()->requestsFlush()) {
this->internalFlush(nullptr, GrResourceCache::kCacheRequested);
} else if (fIsImmediateMode) {
this->internalFlush(nullptr, GrResourceCache::kImmediateMode);
}
}
static bool ProgramUnitTest(GrContext* context, int maxStages);
void prepareSurfaceForExternalIO(GrSurfaceProxy*);
void addPreFlushCallbackObject(sk_sp<GrPreFlushCallbackObject> preFlushCBObject);
private:
GrDrawingManager(GrContext* context,
const GrRenderTargetOpList::Options& optionsForOpLists,
const GrPathRendererChain::Options& optionsForPathRendererChain,
bool isImmediateMode, GrSingleOwner* singleOwner)
: fContext(context)
, fOptionsForOpLists(optionsForOpLists)
, fOptionsForPathRendererChain(optionsForPathRendererChain)
, fSingleOwner(singleOwner)
, fAbandoned(false)
, fAtlasTextContext(nullptr)
, fPathRendererChain(nullptr)
, fSoftwarePathRenderer(nullptr)
, fFlushState(context->getGpu(), context->resourceProvider())
, fFlushing(false)
, fIsImmediateMode(isImmediateMode) {
}
void abandon();
void cleanup();
void reset();
void flush(GrSurfaceProxy* proxy) {
this->internalFlush(proxy, GrResourceCache::FlushType::kExternal);
}
void internalFlush(GrSurfaceProxy*, GrResourceCache::FlushType);
friend class GrContext; // for access to: ctor, abandon, reset & flush
friend class GrContextPriv; // access to: flush
friend class GrPreFlushResourceProvider; // this is just a shallow wrapper around this class
static const int kNumPixelGeometries = 5; // The different pixel geometries
static const int kNumDFTOptions = 2; // DFT or no DFT
GrContext* fContext;
GrRenderTargetOpList::Options fOptionsForOpLists;
GrPathRendererChain::Options fOptionsForPathRendererChain;
// In debug builds we guard against improper thread handling
GrSingleOwner* fSingleOwner;
bool fAbandoned;
SkTArray<sk_sp<GrOpList>> fOpLists;
std::unique_ptr<GrAtlasTextContext> fAtlasTextContext;
GrPathRendererChain* fPathRendererChain;
GrSoftwarePathRenderer* fSoftwarePathRenderer;
GrOpFlushState fFlushState;
bool fFlushing;
bool fIsImmediateMode;
SkTArray<sk_sp<GrPreFlushCallbackObject>> fPreFlushCBObjects;
};
#endif
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