| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef GrSurfaceProxy_DEFINED |
| #define GrSurfaceProxy_DEFINED |
| |
| #include "GrGpuResource.h" |
| |
| class GrTextureProxy; |
| class GrRenderTargetProxy; |
| |
| class GrSurfaceProxy : public GrIORef<GrSurfaceProxy> { |
| public: |
| const GrSurfaceDesc& desc() const { return fDesc; } |
| |
| GrSurfaceOrigin origin() const { |
| SkASSERT(kTopLeft_GrSurfaceOrigin == fDesc.fOrigin || |
| kBottomLeft_GrSurfaceOrigin == fDesc.fOrigin); |
| return fDesc.fOrigin; |
| } |
| int width() const { return fDesc.fWidth; } |
| int height() const { return fDesc.fWidth; } |
| GrPixelConfig config() const { return fDesc.fConfig; } |
| |
| uint32_t uniqueID() const { return fUniqueID; } |
| |
| /** |
| * @return the texture proxy associated with the surface proxy, may be NULL. |
| */ |
| virtual GrTextureProxy* asTextureProxy() { return nullptr; } |
| virtual const GrTextureProxy* asTextureProxy() const { return nullptr; } |
| |
| /** |
| * @return the render target proxy associated with the surface proxy, may be NULL. |
| */ |
| virtual GrRenderTargetProxy* asRenderTargetProxy() { return nullptr; } |
| virtual const GrRenderTargetProxy* asRenderTargetProxy() const { return nullptr; } |
| |
| protected: |
| // Deferred version |
| GrSurfaceProxy(const GrSurfaceDesc& desc, SkBackingFit fit, SkBudgeted budgeted) |
| : fDesc(desc) |
| , fFit(fit) |
| , fBudgeted(budgeted) |
| , fUniqueID(GrGpuResource::CreateUniqueID()) { |
| } |
| |
| // Wrapped version |
| GrSurfaceProxy(const GrSurfaceDesc& desc, SkBackingFit fit, |
| SkBudgeted budgeted, uint32_t uniqueID) |
| : fDesc(desc) |
| , fFit(fit) |
| , fBudgeted(budgeted) |
| , fUniqueID(uniqueID) { |
| } |
| |
| virtual ~GrSurfaceProxy() {} |
| |
| // For wrapped resources, 'fDesc' will always be filled in from the wrapped resource. |
| const GrSurfaceDesc fDesc; |
| const SkBackingFit fFit; // always exact for wrapped resources |
| const SkBudgeted fBudgeted; // set from the backing resource for wrapped resources |
| const uint32_t fUniqueID; // set from the backing resource for wrapped resources |
| |
| private: |
| |
| // See comment in GrGpuResource.h. |
| void notifyAllCntsAreZero(CntType) const { delete this; } |
| bool notifyRefCountIsZero() const { return true; } |
| |
| typedef GrIORef<GrSurfaceProxy> INHERITED; |
| |
| // to access notifyAllCntsAreZero and notifyRefCntIsZero. |
| friend class GrIORef<GrSurfaceProxy>; |
| }; |
| |
| #endif |