| /* |
| * 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 GrRenderTargetContextPriv_DEFINED |
| #define GrRenderTargetContextPriv_DEFINED |
| |
| #include "GrRenderTargetContext.h" |
| #include "GrRenderTargetOpList.h" |
| #include "GrPathRendering.h" |
| |
| class GrFixedClip; |
| class GrPath; |
| struct GrUserStencilSettings; |
| |
| /** Class that adds methods to GrRenderTargetContext that are only intended for use internal to |
| Skia. This class is purely a privileged window into GrRenderTargetContext. It should never have |
| additional data members or virtual methods. */ |
| class GrRenderTargetContextPriv { |
| public: |
| gr_instanced::InstancedRendering* accessInstancedRendering() const { |
| return fRenderTargetContext->getRTOpList()->instancedRendering(); |
| } |
| |
| // called to note the last clip drawn to the stencil buffer. |
| // TODO: remove after clipping overhaul. |
| void setLastClip(uint32_t clipStackGenID, const SkIRect& devClipBounds) { |
| GrRenderTargetOpList* opList = fRenderTargetContext->getRTOpList(); |
| opList->fLastClipStackGenID = clipStackGenID; |
| opList->fLastDevClipBounds = devClipBounds; |
| } |
| |
| // called to determine if we have to render the clip into SB. |
| // TODO: remove after clipping overhaul. |
| bool mustRenderClip(uint32_t clipStackGenID, const SkIRect& devClipBounds) const { |
| GrRenderTargetOpList* opList = fRenderTargetContext->getRTOpList(); |
| return opList->fLastClipStackGenID != clipStackGenID || |
| !opList->fLastDevClipBounds.contains(devClipBounds); |
| } |
| |
| void clear(const GrFixedClip&, const GrColor, bool canIgnoreClip); |
| |
| void clearStencilClip(const GrFixedClip&, bool insideStencilMask); |
| |
| /* |
| * Some portions of the code, which use approximate-match rendertargets (i.e., ImageFilters), |
| * rely on clears that lie outside of the content region to still have an effect. |
| * For example, when sampling a decimated blurred image back up to full size, the GaussianBlur |
| * code draws 1-pixel rects along the left and bottom edges to be able to use bilerp for |
| * upsampling. The "absClear" entry point ignores the content bounds but does use the |
| * worst case (instantiated) bounds. |
| * |
| * @param rect if (!null) the rect to clear, otherwise it is a full screen clear |
| * @param color the color to clear to |
| */ |
| void absClear(const SkIRect* rect, const GrColor color); |
| |
| void stencilRect(const GrClip& clip, |
| const GrUserStencilSettings* ss, |
| GrAAType, |
| const SkMatrix& viewMatrix, |
| const SkRect& rect); |
| |
| void stencilPath(const GrClip&, GrAAType, const SkMatrix& viewMatrix, const GrPath*); |
| |
| /** |
| * Draws a rect, either AA or not, and touches the stencil buffer with the user stencil settings |
| * for each color sample written. |
| */ |
| bool drawAndStencilRect(const GrClip&, |
| const GrUserStencilSettings*, |
| SkRegion::Op op, |
| bool invert, |
| GrAA, |
| const SkMatrix& viewMatrix, |
| const SkRect&); |
| |
| /** |
| * Draws a path, either AA or not, and touches the stencil buffer with the user stencil settings |
| * for each color sample written. |
| */ |
| bool drawAndStencilPath(const GrClip&, |
| const GrUserStencilSettings*, |
| SkRegion::Op op, |
| bool invert, |
| GrAA, |
| const SkMatrix& viewMatrix, |
| const SkPath&); |
| |
| SkBudgeted isBudgeted() const; |
| |
| int maxWindowRectangles() const; |
| |
| /* |
| * This unique ID will not change for a given RenderTargetContext. However, it is _NOT_ |
| * guaranteed to match the uniqueID of the underlying GrRenderTarget - beware! |
| */ |
| GrSurfaceProxy::UniqueID uniqueID() const { |
| return fRenderTargetContext->fRenderTargetProxy->uniqueID(); |
| } |
| |
| uint32_t testingOnly_addDrawOp(std::unique_ptr<GrDrawOp>); |
| |
| bool refsWrappedObjects() const { |
| return fRenderTargetContext->fRenderTargetProxy->refsWrappedObjects(); |
| } |
| |
| private: |
| explicit GrRenderTargetContextPriv(GrRenderTargetContext* renderTargetContext) |
| : fRenderTargetContext(renderTargetContext) {} |
| GrRenderTargetContextPriv(const GrRenderTargetPriv&) {} // unimpl |
| GrRenderTargetContextPriv& operator=(const GrRenderTargetPriv&); // unimpl |
| |
| // No taking addresses of this type. |
| const GrRenderTargetContextPriv* operator&() const; |
| GrRenderTargetContextPriv* operator&(); |
| |
| GrRenderTargetContext* fRenderTargetContext; |
| |
| friend class GrRenderTargetContext; // to construct/copy this type. |
| }; |
| |
| inline GrRenderTargetContextPriv GrRenderTargetContext::priv() { |
| return GrRenderTargetContextPriv(this); |
| } |
| |
| inline const GrRenderTargetContextPriv GrRenderTargetContext::priv() const { |
| return GrRenderTargetContextPriv(const_cast<GrRenderTargetContext*>(this)); |
| } |
| |
| #endif |