| /* |
| * Copyright 2010 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SkGpuDevice_DEFINED |
| #define SkGpuDevice_DEFINED |
| |
| #include "include/core/SkBitmap.h" |
| #include "include/core/SkPicture.h" |
| #include "include/core/SkRegion.h" |
| #include "include/core/SkSurface.h" |
| #include "include/gpu/GrTypes.h" |
| #include "src/gpu/GrSurfaceDrawContext.h" |
| #include "src/gpu/SkBaseGpuDevice.h" |
| #include "src/gpu/SkGr.h" |
| |
| class SkSpecialImage; |
| class SkSurface; |
| class SkVertices; |
| |
| #if !defined(SK_DISABLE_NEW_GR_CLIP_STACK) |
| #include "src/gpu/GrClipStack.h" |
| #define GR_CLIP_STACK GrClipStack |
| #else |
| #include "src/gpu/GrClipStackClip.h" |
| #define GR_CLIP_STACK GrClipStackClip |
| #endif |
| |
| /** |
| * Subclass of SkBaseGpuDevice, which directs all drawing to the GrGpu owned by the canvas. |
| */ |
| class SkGpuDevice : public SkBaseGpuDevice { |
| public: |
| GrSurfaceProxyView readSurfaceView() override { |
| return fSurfaceDrawContext->readSurfaceView(); |
| } |
| |
| bool wait(int numSemaphores, |
| const GrBackendSemaphore* waitSemaphores, |
| bool deleteSemaphoresAfterWait) override; |
| |
| void discard() override { |
| fSurfaceDrawContext->discard(); |
| } |
| |
| bool replaceBackingProxy(SkSurface::ContentChangeMode, |
| sk_sp<GrRenderTargetProxy>, |
| GrColorType, |
| sk_sp<SkColorSpace>, |
| GrSurfaceOrigin, |
| const SkSurfaceProps&) override; |
| using SkBaseGpuDevice::replaceBackingProxy; |
| |
| void asyncRescaleAndReadPixels(const SkImageInfo& info, |
| const SkIRect& srcRect, |
| RescaleGamma rescaleGamma, |
| RescaleMode rescaleMode, |
| ReadPixelsCallback callback, |
| ReadPixelsContext context) override; |
| |
| void asyncRescaleAndReadPixelsYUV420(SkYUVColorSpace yuvColorSpace, |
| sk_sp<SkColorSpace> dstColorSpace, |
| const SkIRect& srcRect, |
| SkISize dstSize, |
| RescaleGamma rescaleGamma, |
| RescaleMode, |
| ReadPixelsCallback callback, |
| ReadPixelsContext context) override; |
| |
| /** |
| * This factory uses the color space, origin, surface properties, and initialization |
| * method along with the provided proxy to create the gpu device. |
| */ |
| static sk_sp<SkBaseGpuDevice> Make(GrRecordingContext*, |
| GrColorType, |
| sk_sp<GrSurfaceProxy>, |
| sk_sp<SkColorSpace>, |
| GrSurfaceOrigin, |
| const SkSurfaceProps&, |
| InitContents); |
| |
| /** |
| * This factory uses the budgeted, imageInfo, fit, sampleCount, mipmapped, and isProtected |
| * parameters to create a proxy to back the gpu device. The color space (from the image info), |
| * origin, surface properties, and initialization method are then used (with the created proxy) |
| * to create the device. |
| */ |
| static sk_sp<SkBaseGpuDevice> Make(GrRecordingContext*, |
| SkBudgeted, |
| const SkImageInfo&, |
| SkBackingFit, |
| int sampleCount, |
| GrMipmapped, |
| GrProtected, |
| GrSurfaceOrigin, |
| const SkSurfaceProps&, |
| InitContents); |
| |
| ~SkGpuDevice() override {} |
| |
| GrSurfaceDrawContext* surfaceDrawContext() override; |
| const GrSurfaceDrawContext* surfaceDrawContext() const; |
| |
| // set all pixels to 0 |
| void clearAll(); |
| |
| void drawPaint(const SkPaint& paint) override; |
| void drawPoints(SkCanvas::PointMode mode, size_t count, const SkPoint[], |
| const SkPaint& paint) override; |
| void drawRect(const SkRect& r, const SkPaint& paint) override; |
| void drawRRect(const SkRRect& r, const SkPaint& paint) override; |
| void drawDRRect(const SkRRect& outer, const SkRRect& inner, const SkPaint& paint) override; |
| void drawRegion(const SkRegion& r, const SkPaint& paint) override; |
| void drawOval(const SkRect& oval, const SkPaint& paint) override; |
| void drawArc(const SkRect& oval, SkScalar startAngle, SkScalar sweepAngle, |
| bool useCenter, const SkPaint& paint) override; |
| void drawPath(const SkPath& path, const SkPaint& paint, bool pathIsMutable) override; |
| |
| void onDrawGlyphRunList(const SkGlyphRunList& glyphRunList, const SkPaint& paint) override; |
| void drawVertices(const SkVertices*, SkBlendMode, const SkPaint&) override; |
| void drawShadow(const SkPath&, const SkDrawShadowRec&) override; |
| void drawAtlas(const SkImage* atlas, const SkRSXform[], const SkRect[], const SkColor[], |
| int count, SkBlendMode, const SkSamplingOptions&, const SkPaint&) override; |
| |
| void drawImageRect(const SkImage*, const SkRect* src, const SkRect& dst, |
| const SkSamplingOptions&, const SkPaint&, |
| SkCanvas::SrcRectConstraint) override; |
| void drawImageLattice(const SkImage*, const SkCanvas::Lattice&, |
| const SkRect& dst, SkFilterMode, const SkPaint&) override; |
| |
| void drawDrawable(SkDrawable*, const SkMatrix*, SkCanvas* canvas) override; |
| |
| void drawDevice(SkBaseDevice*, const SkSamplingOptions&, const SkPaint&) override; |
| void drawSpecial(SkSpecialImage*, const SkMatrix& localToDevice, const SkSamplingOptions&, |
| const SkPaint&) override; |
| |
| void drawEdgeAAQuad(const SkRect& rect, const SkPoint clip[4], SkCanvas::QuadAAFlags aaFlags, |
| const SkColor4f& color, SkBlendMode mode) override; |
| void drawEdgeAAImageSet(const SkCanvas::ImageSetEntry[], int count, const SkPoint dstClips[], |
| const SkMatrix[], const SkSamplingOptions&, const SkPaint&, |
| SkCanvas::SrcRectConstraint) override; |
| |
| sk_sp<SkSpecialImage> makeSpecial(const SkBitmap&) override; |
| sk_sp<SkSpecialImage> makeSpecial(const SkImage*) override; |
| sk_sp<SkSpecialImage> snapSpecial(const SkIRect& subset, bool forceCopy = false) override; |
| |
| bool onAccessPixels(SkPixmap*) override; |
| |
| bool android_utils_clipWithStencil() override; |
| |
| protected: |
| bool onReadPixels(const SkPixmap&, int, int) override; |
| bool onWritePixels(const SkPixmap&, int, int) override; |
| |
| #if !defined(SK_DISABLE_NEW_GR_CLIP_STACK) |
| void onSave() override { fClip.save(); } |
| void onRestore() override { fClip.restore(); } |
| |
| void onClipRect(const SkRect& rect, SkClipOp op, bool aa) override { |
| SkASSERT(op == SkClipOp::kIntersect || op == SkClipOp::kDifference); |
| fClip.clipRect(this->localToDevice(), rect, GrAA(aa), op); |
| } |
| void onClipRRect(const SkRRect& rrect, SkClipOp op, bool aa) override { |
| SkASSERT(op == SkClipOp::kIntersect || op == SkClipOp::kDifference); |
| fClip.clipRRect(this->localToDevice(), rrect, GrAA(aa), op); |
| } |
| void onClipPath(const SkPath& path, SkClipOp op, bool aa) override; |
| void onClipShader(sk_sp<SkShader> shader) override { |
| fClip.clipShader(std::move(shader)); |
| } |
| void onReplaceClip(const SkIRect& rect) override { |
| // Transform from "global/canvas" coordinates to relative to this device |
| SkRect deviceRect = SkMatrixPriv::MapRect(this->globalToDevice(), SkRect::Make(rect)); |
| fClip.replaceClip(deviceRect.round()); |
| } |
| void onClipRegion(const SkRegion& globalRgn, SkClipOp op) override; |
| void onAsRgnClip(SkRegion*) const override; |
| ClipType onGetClipType() const override; |
| bool onClipIsAA() const override; |
| |
| void onSetDeviceClipRestriction(SkIRect* mutableClipRestriction) override { |
| SkASSERT(mutableClipRestriction->isEmpty()); |
| } |
| bool onClipIsWideOpen() const override { |
| return fClip.clipState() == GrClipStack::ClipState::kWideOpen; |
| } |
| SkIRect onDevClipBounds() const override { return fClip.getConservativeBounds(); } |
| #endif |
| |
| private: |
| std::unique_ptr<GrSurfaceDrawContext> fSurfaceDrawContext; |
| |
| GR_CLIP_STACK fClip; |
| |
| enum Flags { |
| kNeedClear_Flag = 1 << 0, //!< Surface requires an initial clear |
| kIsOpaque_Flag = 1 << 1, //!< Hint from client that rendering to this device will be |
| // opaque even if the config supports alpha. |
| }; |
| static bool CheckAlphaTypeAndGetFlags(const SkImageInfo* info, InitContents init, |
| unsigned* flags); |
| |
| static sk_sp<SkBaseGpuDevice> Make(std::unique_ptr<GrSurfaceDrawContext>, |
| const SkImageInfo*, |
| InitContents); |
| |
| SkGpuDevice(std::unique_ptr<GrSurfaceDrawContext>, unsigned flags); |
| |
| SkBaseDevice* onCreateDevice(const CreateInfo&, const SkPaint*) override; |
| |
| sk_sp<SkSurface> makeSurface(const SkImageInfo&, const SkSurfaceProps&) override; |
| |
| SkImageFilterCache* getImageFilterCache() override; |
| |
| bool forceConservativeRasterClip() const override { return true; } |
| |
| const GrClip* clip() const { return &fClip; } |
| |
| // If not null, dstClip must be contained inside dst and will also respect the edge AA flags. |
| // If 'preViewMatrix' is not null, final CTM will be this->ctm() * preViewMatrix. |
| void drawImageQuad(const SkImage*, const SkRect* src, const SkRect* dst, |
| const SkPoint dstClip[4], GrAA aa, GrQuadAAFlags aaFlags, |
| const SkMatrix* preViewMatrix, const SkSamplingOptions&, |
| const SkPaint&, SkCanvas::SrcRectConstraint); |
| |
| // FIXME(michaelludwig) - Should be removed in favor of using drawImageQuad with edge flags to |
| // for every element in the SkLatticeIter. |
| void drawViewLattice(GrSurfaceProxyView, |
| const GrColorInfo& colorInfo, |
| std::unique_ptr<SkLatticeIter>, |
| const SkRect& dst, |
| SkFilterMode, |
| const SkPaint&); |
| |
| static std::unique_ptr<GrSurfaceDrawContext> MakeSurfaceDrawContext(GrRecordingContext*, |
| SkBudgeted, |
| const SkImageInfo&, |
| SkBackingFit, |
| int sampleCount, |
| GrMipmapped, |
| GrProtected, |
| GrSurfaceOrigin, |
| const SkSurfaceProps&); |
| |
| friend class SkSurface_Gpu; // for access to surfaceProps |
| using INHERITED = SkBaseGpuDevice; |
| }; |
| |
| #undef GR_CLIP_STACK |
| |
| #endif |