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/*
* Copyright 2018 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrProxyProvider_DEFINED
#define GrProxyProvider_DEFINED
#include "include/gpu/GrTypes.h"
#include "include/private/GrResourceKey.h"
#include "src/core/SkTDynamicHash.h"
#include "src/gpu/GrTextureProxy.h"
class GrImageContext;
class GrBackendRenderTarget;
class SkBitmap;
class SkImage;
/*
* A factory for creating GrSurfaceProxy-derived objects.
*/
class GrProxyProvider {
public:
using UseAllocator = GrSurfaceProxy::UseAllocator;
GrProxyProvider(GrImageContext*);
~GrProxyProvider();
/*
* Assigns a unique key to a proxy. The proxy will be findable via this key using
* findProxyByUniqueKey(). It is an error if an existing proxy already has a key.
*/
bool assignUniqueKeyToProxy(const GrUniqueKey&, GrTextureProxy*);
/*
* Sets the unique key of the provided proxy to the unique key of the surface. The surface must
* have a valid unique key.
*/
void adoptUniqueKeyFromSurface(GrTextureProxy* proxy, const GrSurface*);
/*
* Removes a unique key from a proxy. If the proxy has already been instantiated, it will
* also remove the unique key from the target GrSurface.
*/
void removeUniqueKeyFromProxy(GrTextureProxy*);
/*
* Finds a proxy by unique key.
*/
sk_sp<GrTextureProxy> findProxyByUniqueKey(const GrUniqueKey&);
/*
* Finds a proxy by unique key or creates a new one that wraps a resource matching the unique
* key.
*/
sk_sp<GrTextureProxy> findOrCreateProxyByUniqueKey(const GrUniqueKey&,
UseAllocator = UseAllocator::kYes);
/**
* A helper that uses findOrCreateProxyByUniqueKey() to find a proxy and if found creates a view
*a view for the found proxy using the passed in origin and color type. It is assumed that if
* the proxy is renderable then it was created by GrRenderTargetContext::MakeWithFallback and
* the fallback color type will be used to create the view.
*/
GrSurfaceProxyView findCachedProxyWithColorTypeFallback(const GrUniqueKey&,
GrSurfaceOrigin,
GrColorType,
int sampleCnt);
/*
* Creates a new texture proxy for the bitmap, optionally with mip levels generated by the cpu.
* The bitmap is uploaded to the texture proxy assuming a kTopLeft_GrSurfaceOrigin.
*/
sk_sp<GrTextureProxy> createProxyFromBitmap(const SkBitmap&,
GrMipMapped,
SkBackingFit,
SkBudgeted);
/*
* Create a GrSurfaceProxy without any data.
*/
sk_sp<GrTextureProxy> createProxy(const GrBackendFormat&,
SkISize dimensions,
GrRenderable,
int renderTargetSampleCnt,
GrMipMapped,
SkBackingFit,
SkBudgeted,
GrProtected,
GrInternalSurfaceFlags = GrInternalSurfaceFlags::kNone,
UseAllocator useAllocator = UseAllocator::kYes);
/*
* Create a texture proxy from compressed texture data.
*/
sk_sp<GrTextureProxy> createCompressedTextureProxy(SkISize dimensions,
SkBudgeted,
GrMipMapped,
GrProtected,
SkImage::CompressionType,
sk_sp<SkData> data);
// These match the definitions in SkImage & GrTexture.h, for whence they came
typedef void* ReleaseContext;
typedef void (*ReleaseProc)(ReleaseContext);
/*
* Create a texture proxy that wraps a (non-renderable) backend texture. GrIOType must be
* kRead or kRW.
*/
sk_sp<GrTextureProxy> wrapBackendTexture(const GrBackendTexture&,
GrWrapOwnership,
GrWrapCacheable,
GrIOType,
ReleaseProc = nullptr,
ReleaseContext = nullptr);
sk_sp<GrTextureProxy> wrapCompressedBackendTexture(const GrBackendTexture&, GrWrapOwnership,
GrWrapCacheable, ReleaseProc = nullptr,
ReleaseContext = nullptr);
/*
* Create a texture proxy that wraps a backend texture and is both texture-able and renderable
*/
sk_sp<GrTextureProxy> wrapRenderableBackendTexture(const GrBackendTexture&,
int sampleCnt,
GrWrapOwnership,
GrWrapCacheable,
ReleaseProc = nullptr,
ReleaseContext = nullptr);
/*
* Create a render target proxy that wraps a backend render target
*/
sk_sp<GrSurfaceProxy> wrapBackendRenderTarget(const GrBackendRenderTarget&,
ReleaseProc = nullptr,
ReleaseContext = nullptr);
/*
* Create a render target proxy that wraps a backend texture
*/
sk_sp<GrSurfaceProxy> wrapBackendTextureAsRenderTarget(const GrBackendTexture&, int sampleCnt);
sk_sp<GrRenderTargetProxy> wrapVulkanSecondaryCBAsRenderTarget(const SkImageInfo&,
const GrVkDrawableInfo&);
using LazyInstantiationKeyMode = GrSurfaceProxy::LazyInstantiationKeyMode;
using LazySurfaceDesc = GrSurfaceProxy::LazySurfaceDesc;
using LazyCallbackResult = GrSurfaceProxy::LazyCallbackResult;
using LazyInstantiateCallback = GrSurfaceProxy::LazyInstantiateCallback;
struct TextureInfo {
GrMipMapped fMipMapped;
GrTextureType fTextureType;
};
/**
* Creates a texture proxy that will be instantiated by a user-supplied callback during flush.
* (Stencil is not supported by this method.) The width and height must either both be greater
* than 0 or both less than or equal to zero. A non-positive value is a signal that the width
* and height are currently unknown.
*
* When called, the callback must be able to cleanup any resources that it captured at creation.
* It also must support being passed in a null GrResourceProvider. When this happens, the
* callback should cleanup any resources it captured and return an empty sk_sp<GrTextureProxy>.
*/
sk_sp<GrTextureProxy> createLazyProxy(LazyInstantiateCallback&&,
const GrBackendFormat&,
SkISize dimensions,
GrRenderable,
int renderTargetSampleCnt,
GrMipMapped,
GrMipMapsStatus,
GrInternalSurfaceFlags,
SkBackingFit,
SkBudgeted,
GrProtected,
UseAllocator);
/** A null TextureInfo indicates a non-textureable render target. */
sk_sp<GrRenderTargetProxy> createLazyRenderTargetProxy(LazyInstantiateCallback&&,
const GrBackendFormat&,
SkISize dimensions,
int renderTargetSampleCnt,
GrInternalSurfaceFlags,
const TextureInfo*,
GrMipMapsStatus,
SkBackingFit,
SkBudgeted,
GrProtected,
bool wrapsVkSecondaryCB,
UseAllocator useAllocator);
/**
* Fully lazy proxies have unspecified width and height. Methods that rely on those values
* (e.g., width, height, getBoundsRect) should be avoided.
*/
static sk_sp<GrTextureProxy> MakeFullyLazyProxy(LazyInstantiateCallback&&,
const GrBackendFormat&,
GrRenderable,
int renderTargetSampleCnt,
GrProtected,
const GrCaps&,
UseAllocator);
enum class InvalidateGPUResource : bool { kNo = false, kYes = true };
/*
* This method ensures that, if a proxy w/ the supplied unique key exists, it is removed from
* the proxy provider's map and its unique key is removed. If 'invalidateSurface' is true, it
* will independently ensure that the unique key is removed from any GrGpuResources that may
* have it.
*
* If 'proxy' is provided (as an optimization to stop re-looking it up), its unique key must be
* valid and match the provided unique key.
*
* This method is called if either the proxy attached to the unique key is being deleted
* (in which case we don't want it cluttering up the hash table) or the client has indicated
* that it will never refer to the unique key again.
*/
void processInvalidUniqueKey(const GrUniqueKey&, GrTextureProxy*, InvalidateGPUResource);
GrDDLProvider isDDLProvider() const;
// TODO: remove these entry points - it is a bit sloppy to be getting context info from here
uint32_t contextID() const;
const GrCaps* caps() const;
sk_sp<const GrCaps> refCaps() const;
int numUniqueKeyProxies_TestOnly() const;
// This is called on a DDL's proxyprovider when the DDL is finished. The uniquely keyed
// proxies need to keep their unique key but cannot hold on to the proxy provider unique
// pointer.
void orphanAllUniqueKeys();
// This is only used by GrContext::releaseResourcesAndAbandonContext()
void removeAllUniqueKeys();
/**
* Does the proxy provider have access to a GrDirectContext? If so, proxies will be
* instantiated immediately.
*/
bool renderingDirectly() const;
#if GR_TEST_UTILS
/**
* Create a texture proxy that is backed by an instantiated GrSurface.
*/
sk_sp<GrTextureProxy> testingOnly_createInstantiatedProxy(SkISize dimensions,
const GrBackendFormat& format,
GrRenderable renderable,
int renderTargetSampleCnt,
SkBackingFit fit,
SkBudgeted budgeted,
GrProtected isProtected);
/** Version of above that picks the default format for the color type. */
sk_sp<GrTextureProxy> testingOnly_createInstantiatedProxy(SkISize dimensions,
GrColorType colorType,
GrRenderable renderable,
int renderTargetSampleCnt,
SkBackingFit fit,
SkBudgeted budgeted,
GrProtected isProtected);
sk_sp<GrTextureProxy> testingOnly_createWrapped(sk_sp<GrTexture>);
#endif
private:
friend class GrAHardwareBufferImageGenerator; // for createWrapped
friend class GrResourceProvider; // for createWrapped
// processInvalidUniqueKey() with control over removing hash table entries,
// which is not safe while iterating with foreach().
enum class RemoveTableEntry { kNo, kYes };
void processInvalidUniqueKeyImpl(const GrUniqueKey&, GrTextureProxy*,
InvalidateGPUResource, RemoveTableEntry);
bool isAbandoned() const;
/*
* Create an un-mipmapped texture proxy for the bitmap.
*/
sk_sp<GrTextureProxy> createNonMippedProxyFromBitmap(const SkBitmap&, SkBackingFit, SkBudgeted);
/*
* Create an mipmapped texture proxy for the bitmap.
*/
sk_sp<GrTextureProxy> createMippedProxyFromBitmap(const SkBitmap&,
SkBudgeted);
sk_sp<GrTextureProxy> createWrapped(sk_sp<GrTexture> tex, UseAllocator useAllocator);
struct UniquelyKeyedProxyHashTraits {
static const GrUniqueKey& GetKey(const GrTextureProxy& p) { return p.getUniqueKey(); }
static uint32_t Hash(const GrUniqueKey& key) { return key.hash(); }
};
typedef SkTDynamicHash<GrTextureProxy, GrUniqueKey, UniquelyKeyedProxyHashTraits> UniquelyKeyedProxyHash;
// This holds the texture proxies that have unique keys. The resourceCache does not get a ref
// on these proxies but they must send a message to the resourceCache when they are deleted.
UniquelyKeyedProxyHash fUniquelyKeyedProxies;
GrImageContext* fImageContext;
};
#endif