1 /* 2 * Copyright 2010 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef SkGpuDevice_DEFINED 9 #define SkGpuDevice_DEFINED 10 11 #include "include/core/SkBitmap.h" 12 #include "include/core/SkPicture.h" 13 #include "include/core/SkRegion.h" 14 #include "include/core/SkSurface.h" 15 #include "include/gpu/GrTypes.h" 16 #include "src/gpu/BaseDevice.h" 17 #include "src/gpu/SkGr.h" 18 #include "src/gpu/v1/ClipStack.h" 19 #include "src/gpu/v1/SurfaceDrawContext_v1.h" 20 21 class SkSpecialImage; 22 class SkSurface; 23 class SkSurface_Gpu; 24 class SkVertices; 25 26 namespace skgpu::v1 { 27 28 /** 29 * Subclass of BaseDevice, which directs all drawing to the GrGpu owned by the canvas. 30 */ 31 class Device final : public BaseDevice { 32 public: 33 bool wait(int numSemaphores, 34 const GrBackendSemaphore* waitSemaphores, 35 bool deleteSemaphoresAfterWait) override; 36 discard()37 void discard() override { 38 fSurfaceDrawContext->discard(); 39 } 40 41 bool replaceBackingProxy(SkSurface::ContentChangeMode, 42 sk_sp<GrRenderTargetProxy>, 43 GrColorType, 44 sk_sp<SkColorSpace>, 45 GrSurfaceOrigin, 46 const SkSurfaceProps&) override; 47 using BaseDevice::replaceBackingProxy; 48 49 void asyncRescaleAndReadPixels(const SkImageInfo& info, 50 const SkIRect& srcRect, 51 RescaleGamma rescaleGamma, 52 RescaleMode rescaleMode, 53 ReadPixelsCallback callback, 54 ReadPixelsContext context) override; 55 56 void asyncRescaleAndReadPixelsYUV420(SkYUVColorSpace yuvColorSpace, 57 sk_sp<SkColorSpace> dstColorSpace, 58 const SkIRect& srcRect, 59 SkISize dstSize, 60 RescaleGamma rescaleGamma, 61 RescaleMode, 62 ReadPixelsCallback callback, 63 ReadPixelsContext context) override; 64 65 /** 66 * This factory uses the color space, origin, surface properties, and initialization 67 * method along with the provided proxy to create the gpu device. 68 */ 69 static sk_sp<BaseDevice> Make(GrRecordingContext*, 70 GrColorType, 71 sk_sp<GrSurfaceProxy>, 72 sk_sp<SkColorSpace>, 73 GrSurfaceOrigin, 74 const SkSurfaceProps&, 75 InitContents); 76 77 /** 78 * This factory uses the budgeted, imageInfo, fit, sampleCount, mipmapped, and isProtected 79 * parameters to create a proxy to back the gpu device. The color space (from the image info), 80 * origin, surface properties, and initialization method are then used (with the created proxy) 81 * to create the device. 82 */ 83 static sk_sp<BaseDevice> Make(GrRecordingContext*, 84 SkBudgeted, 85 const SkImageInfo&, 86 SkBackingFit, 87 int sampleCount, 88 GrMipmapped, 89 GrProtected, 90 GrSurfaceOrigin, 91 const SkSurfaceProps&, 92 InitContents); 93 ~Device()94 ~Device() override {} 95 96 SurfaceDrawContext* surfaceDrawContext() override; 97 const SurfaceDrawContext* surfaceDrawContext() const; 98 skgpu::SurfaceFillContext* surfaceFillContext() override; 99 100 // set all pixels to 0 101 void clearAll(); 102 103 void drawPaint(const SkPaint& paint) override; 104 void drawPoints(SkCanvas::PointMode mode, size_t count, const SkPoint[], 105 const SkPaint& paint) override; 106 void drawRect(const SkRect& r, const SkPaint& paint) override; 107 void drawRRect(const SkRRect& r, const SkPaint& paint) override; 108 void drawDRRect(const SkRRect& outer, const SkRRect& inner, const SkPaint& paint) override; 109 void drawRegion(const SkRegion& r, const SkPaint& paint) override; 110 void drawOval(const SkRect& oval, const SkPaint& paint) override; 111 void drawArc(const SkRect& oval, SkScalar startAngle, SkScalar sweepAngle, 112 bool useCenter, const SkPaint& paint) override; 113 void drawPath(const SkPath& path, const SkPaint& paint, bool pathIsMutable) override; 114 115 void onDrawGlyphRunList(const SkGlyphRunList& glyphRunList, const SkPaint& paint) override; 116 void drawVertices(const SkVertices*, SkBlendMode, const SkPaint&) override; 117 void drawShadow(const SkPath&, const SkDrawShadowRec&) override; 118 void drawAtlas(const SkRSXform[], const SkRect[], const SkColor[], int count, SkBlendMode, 119 const SkPaint&) override; 120 121 void drawImageRect(const SkImage*, const SkRect* src, const SkRect& dst, 122 const SkSamplingOptions&, const SkPaint&, 123 SkCanvas::SrcRectConstraint) override; 124 void drawImageLattice(const SkImage*, const SkCanvas::Lattice&, 125 const SkRect& dst, SkFilterMode, const SkPaint&) override; 126 127 void drawDrawable(SkDrawable*, const SkMatrix*, SkCanvas* canvas) override; 128 129 void drawDevice(SkBaseDevice*, const SkSamplingOptions&, const SkPaint&) override; 130 void drawSpecial(SkSpecialImage*, const SkMatrix& localToDevice, const SkSamplingOptions&, 131 const SkPaint&) override; 132 133 void drawEdgeAAQuad(const SkRect& rect, const SkPoint clip[4], SkCanvas::QuadAAFlags aaFlags, 134 const SkColor4f& color, SkBlendMode mode) override; 135 void drawEdgeAAImageSet(const SkCanvas::ImageSetEntry[], int count, const SkPoint dstClips[], 136 const SkMatrix[], const SkSamplingOptions&, const SkPaint&, 137 SkCanvas::SrcRectConstraint) override; 138 139 sk_sp<SkSpecialImage> makeSpecial(const SkBitmap&) override; 140 sk_sp<SkSpecialImage> makeSpecial(const SkImage*) override; 141 sk_sp<SkSpecialImage> snapSpecial(const SkIRect& subset, bool forceCopy = false) override; 142 143 bool onAccessPixels(SkPixmap*) override; 144 145 bool android_utils_clipWithStencil() override; 146 147 protected: 148 bool onReadPixels(const SkPixmap&, int, int) override; 149 bool onWritePixels(const SkPixmap&, int, int) override; 150 onSave()151 void onSave() override { fClip.save(); } onRestore()152 void onRestore() override { fClip.restore(); } 153 onClipRect(const SkRect & rect,SkClipOp op,bool aa)154 void onClipRect(const SkRect& rect, SkClipOp op, bool aa) override { 155 SkASSERT(op == SkClipOp::kIntersect || op == SkClipOp::kDifference); 156 fClip.clipRect(this->localToDevice(), rect, GrAA(aa), op); 157 } onClipRRect(const SkRRect & rrect,SkClipOp op,bool aa)158 void onClipRRect(const SkRRect& rrect, SkClipOp op, bool aa) override { 159 SkASSERT(op == SkClipOp::kIntersect || op == SkClipOp::kDifference); 160 fClip.clipRRect(this->localToDevice(), rrect, GrAA(aa), op); 161 } 162 void onClipPath(const SkPath& path, SkClipOp op, bool aa) override; onClipShader(sk_sp<SkShader> shader)163 void onClipShader(sk_sp<SkShader> shader) override { 164 fClip.clipShader(std::move(shader)); 165 } onReplaceClip(const SkIRect & rect)166 void onReplaceClip(const SkIRect& rect) override { 167 // Transform from "global/canvas" coordinates to relative to this device 168 SkRect deviceRect = SkMatrixPriv::MapRect(this->globalToDevice(), SkRect::Make(rect)); 169 fClip.replaceClip(deviceRect.round()); 170 } 171 void onClipRegion(const SkRegion& globalRgn, SkClipOp op) override; 172 void onAsRgnClip(SkRegion*) const override; 173 ClipType onGetClipType() const override; 174 bool onClipIsAA() const override; 175 onClipIsWideOpen()176 bool onClipIsWideOpen() const override { 177 return fClip.clipState() == ClipStack::ClipState::kWideOpen; 178 } onDevClipBounds()179 SkIRect onDevClipBounds() const override { return fClip.getConservativeBounds(); } 180 181 private: 182 std::unique_ptr<SurfaceDrawContext> fSurfaceDrawContext; 183 184 ClipStack fClip; 185 186 static sk_sp<BaseDevice> Make(std::unique_ptr<SurfaceDrawContext>, 187 SkAlphaType, 188 InitContents); 189 190 Device(std::unique_ptr<SurfaceDrawContext>, DeviceFlags); 191 192 SkBaseDevice* onCreateDevice(const CreateInfo&, const SkPaint*) override; 193 194 sk_sp<SkSurface> makeSurface(const SkImageInfo&, const SkSurfaceProps&) override; 195 196 SkImageFilterCache* getImageFilterCache() override; 197 forceConservativeRasterClip()198 bool forceConservativeRasterClip() const override { return true; } 199 clip()200 const GrClip* clip() const { return &fClip; } 201 202 // If not null, dstClip must be contained inside dst and will also respect the edge AA flags. 203 // If 'preViewMatrix' is not null, final CTM will be this->ctm() * preViewMatrix. 204 void drawImageQuad(const SkImage*, const SkRect* src, const SkRect* dst, 205 const SkPoint dstClip[4], GrAA aa, GrQuadAAFlags aaFlags, 206 const SkMatrix* preViewMatrix, const SkSamplingOptions&, 207 const SkPaint&, SkCanvas::SrcRectConstraint); 208 209 // FIXME(michaelludwig) - Should be removed in favor of using drawImageQuad with edge flags to 210 // for every element in the SkLatticeIter. 211 void drawViewLattice(GrSurfaceProxyView, 212 const GrColorInfo& colorInfo, 213 std::unique_ptr<SkLatticeIter>, 214 const SkRect& dst, 215 SkFilterMode, 216 const SkPaint&); 217 218 friend class ::SkSurface_Gpu; // for access to surfaceProps 219 using INHERITED = BaseDevice; 220 }; 221 222 } // namespace skgpu::v1 223 224 #undef GR_CLIP_STACK 225 226 #endif 227