| /* |
| * 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: |
| 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&, GrSurfaceOrigin); |
| |
| /* |
| * 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&, GrSurfaceOrigin); |
| |
| /* |
| * Create an un-mipmapped texture proxy with data. The SkImage must be a raster backend image. |
| * Since the SkImage is ref counted, we simply take a ref on it to keep the data alive until we |
| * actually upload the data to the gpu. |
| */ |
| sk_sp<GrTextureProxy> createTextureProxy( |
| sk_sp<SkImage> srcImage, GrRenderable, int sampleCnt, SkBudgeted, SkBackingFit, |
| GrInternalSurfaceFlags = GrInternalSurfaceFlags::kNone); |
| |
| /* |
| * Create a mipmapped texture proxy without any data. |
| * |
| * Like the call above but there are no texels to upload. A texture proxy is returned that |
| * simply has space allocated for the mips. We will allocated the full amount of mip levels |
| * based on the width and height in the GrSurfaceDesc. |
| */ |
| sk_sp<GrTextureProxy> createMipMapProxy(const GrBackendFormat&, const GrSurfaceDesc&, |
| GrRenderable, int renderTargetSampleCnt, |
| GrSurfaceOrigin, SkBudgeted, GrProtected); |
| |
| /* |
| * Creates a new texture proxy for the bitmap, optionally with mip levels generated by the cpu. |
| */ |
| sk_sp<GrTextureProxy> createProxyFromBitmap(const SkBitmap& bitmap, GrMipMapped); |
| |
| /* |
| * Create a GrSurfaceProxy without any data. |
| */ |
| sk_sp<GrTextureProxy> createProxy(const GrBackendFormat&, const GrSurfaceDesc&, GrRenderable, |
| int renderTargetSampleCnt, GrSurfaceOrigin, GrMipMapped, |
| SkBackingFit, SkBudgeted, GrProtected, |
| GrInternalSurfaceFlags); |
| |
| sk_sp<GrTextureProxy> createProxy( |
| const GrBackendFormat& format, const GrSurfaceDesc& desc, GrRenderable renderable, |
| int renderTargetSampleCnt, GrSurfaceOrigin origin, SkBackingFit fit, |
| SkBudgeted budgeted, GrProtected isProtected, |
| GrInternalSurfaceFlags surfaceFlags = GrInternalSurfaceFlags::kNone) { |
| return this->createProxy(format, desc, renderable, renderTargetSampleCnt, origin, |
| GrMipMapped::kNo, fit, budgeted, isProtected, surfaceFlags); |
| } |
| |
| /* |
| * Create a texture proxy from compressed texture data. |
| */ |
| sk_sp<GrTextureProxy> createCompressedTextureProxy(int width, int height, SkBudgeted budgeted, |
| SkImage::CompressionType 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&, GrColorType, GrSurfaceOrigin, |
| GrWrapOwnership, GrWrapCacheable, GrIOType, |
| 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&, GrSurfaceOrigin, |
| int sampleCnt, GrColorType, |
| GrWrapOwnership, GrWrapCacheable, |
| ReleaseProc = nullptr, |
| ReleaseContext = nullptr); |
| |
| /* |
| * Create a render target proxy that wraps a backend render target |
| */ |
| sk_sp<GrSurfaceProxy> wrapBackendRenderTarget(const GrBackendRenderTarget&, GrColorType, |
| GrSurfaceOrigin, |
| ReleaseProc = nullptr, ReleaseContext = nullptr); |
| |
| /* |
| * Create a render target proxy that wraps a backend texture |
| */ |
| sk_sp<GrSurfaceProxy> wrapBackendTextureAsRenderTarget(const GrBackendTexture&, |
| GrColorType, |
| GrSurfaceOrigin, |
| int sampleCnt); |
| |
| sk_sp<GrRenderTargetProxy> wrapVulkanSecondaryCBAsRenderTarget(const SkImageInfo&, |
| const GrVkDrawableInfo&); |
| |
| using LazyInstantiationKeyMode = GrSurfaceProxy::LazyInstantiationKeyMode; |
| using LazyInstantiationResult = GrSurfaceProxy::LazyInstantiationResult; |
| using LazyInstantiateCallback = GrSurfaceProxy::LazyInstantiateCallback; |
| |
| struct TextureInfo { |
| GrMipMapped fMipMapped; |
| GrTextureType fTextureType; |
| }; |
| |
| using LazyInstantiationType = GrSurfaceProxy::LazyInstantiationType; |
| /** |
| * 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&, |
| const GrSurfaceDesc&, GrRenderable, |
| int renderTargetSampleCnt, GrSurfaceOrigin, |
| GrMipMapped, GrMipMapsStatus, GrInternalSurfaceFlags, |
| SkBackingFit, SkBudgeted, GrProtected, |
| LazyInstantiationType); |
| |
| sk_sp<GrTextureProxy> createLazyProxy(LazyInstantiateCallback&&, const GrBackendFormat&, |
| const GrSurfaceDesc&, GrRenderable, |
| int renderTargetSampleCnt, GrSurfaceOrigin, GrMipMapped, |
| GrMipMapsStatus, GrInternalSurfaceFlags, SkBackingFit, |
| SkBudgeted, GrProtected); |
| |
| sk_sp<GrTextureProxy> createLazyProxy(LazyInstantiateCallback&&, const GrBackendFormat&, |
| const GrSurfaceDesc&, GrRenderable, |
| int renderTargetSampleCnt, GrSurfaceOrigin, GrMipMapped, |
| GrMipMapsStatus, SkBackingFit, SkBudgeted, GrProtected); |
| |
| /** A null TextureInfo indicates a non-textureable render target. */ |
| sk_sp<GrRenderTargetProxy> createLazyRenderTargetProxy(LazyInstantiateCallback&&, |
| const GrBackendFormat&, |
| const GrSurfaceDesc&, |
| int renderTargetSampleCnt, |
| GrSurfaceOrigin origin, |
| GrInternalSurfaceFlags, |
| const TextureInfo*, GrMipMapsStatus, |
| SkBackingFit, SkBudgeted, GrProtected, |
| bool wrapsVkSecondaryCB); |
| |
| /** |
| * 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, |
| GrSurfaceOrigin, GrPixelConfig, const GrCaps&); |
| |
| // 'proxy' is about to be used as a texture src or drawn to. This query can be used to |
| // determine if it is going to need a texture domain or a full clear. |
| static bool IsFunctionallyExact(GrSurfaceProxy* proxy); |
| |
| 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); |
| |
| // 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(const GrSurfaceDesc&, GrRenderable, |
| int renderTargetSampleCnt, |
| GrSurfaceOrigin, SkBackingFit, |
| SkBudgeted, GrProtected); |
| sk_sp<GrTextureProxy> testingOnly_createWrapped(sk_sp<GrTexture>, GrSurfaceOrigin); |
| #endif |
| |
| private: |
| friend class GrAHardwareBufferImageGenerator; // for createWrapped |
| friend class GrResourceProvider; // for createWrapped |
| |
| bool isAbandoned() const; |
| |
| sk_sp<GrTextureProxy> createWrapped(sk_sp<GrTexture> tex, GrSurfaceOrigin origin); |
| |
| 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 |