From b0a35f7c5d2c4bfeb601e3ac43f412d202a25292 Mon Sep 17 00:00:00 2001 From: borenet Date: Wed, 17 Sep 2014 06:14:35 -0700 Subject: Revert "Move SkGpuDevice.h to src/gpu" This reverts commit d99bbb61e58e8bd34db3954147ce1c9166fe4637. Causing Chrome canary failures as well as failures of Chrome trybots due to not cleaning up properly after failed DEPS roll attempts. BUG=skia: R=bsalomon@google.com, reed@google.com TBR=bsalomon, reed Author: borenet@google.com Review URL: https://codereview.chromium.org/579733003 --- include/gpu/SkGpuDevice.h | 208 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 208 insertions(+) create mode 100644 include/gpu/SkGpuDevice.h (limited to 'include/gpu') diff --git a/include/gpu/SkGpuDevice.h b/include/gpu/SkGpuDevice.h new file mode 100644 index 0000000000..419013f4ae --- /dev/null +++ b/include/gpu/SkGpuDevice.h @@ -0,0 +1,208 @@ + +/* + * 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 "SkGr.h" +#include "SkBitmap.h" +#include "SkDevice.h" +#include "SkPicture.h" +#include "SkRegion.h" +#include "GrContext.h" + +struct SkDrawProcs; +struct GrSkDrawProcs; + +class GrAccelData; +struct GrCachedLayer; +class GrTextContext; + +/** + * Subclass of SkBaseDevice, which directs all drawing to the GrGpu owned by the + * canvas. + */ +class SK_API SkGpuDevice : public SkBaseDevice { +public: + enum Flags { + kNeedClear_Flag = 1 << 0, //!< Surface requires an initial clear + kCached_Flag = 1 << 1, //!< Surface is cached and needs to be unlocked when released + kDFFonts_Flag = 1 << 2, //!< Surface should render fonts using signed distance fields + }; + + /** + * Creates an SkGpuDevice from a GrSurface. This will fail if the surface is not a render + * target. The caller owns a ref on the returned device. If the surface is cached, + * the kCached_Flag should be specified to make the device responsible for unlocking + * the surface when it is released. + */ + static SkGpuDevice* Create(GrSurface* surface, unsigned flags = 0); + + /** + * New device that will create an offscreen renderTarget based on the + * ImageInfo and sampleCount. The device's storage will not + * count against the GrContext's texture cache budget. The device's pixels + * will be uninitialized. On failure, returns NULL. + */ + static SkGpuDevice* Create(GrContext*, const SkImageInfo&, int sampleCount); + + virtual ~SkGpuDevice(); + + GrContext* context() const { return fContext; } + + virtual GrRenderTarget* accessRenderTarget() SK_OVERRIDE; + + virtual SkImageInfo imageInfo() const SK_OVERRIDE { + return fRenderTarget ? fRenderTarget->info() : SkImageInfo::MakeUnknown(); + } + + virtual void clear(SkColor color) SK_OVERRIDE; + virtual void drawPaint(const SkDraw&, const SkPaint& paint) SK_OVERRIDE; + virtual void drawPoints(const SkDraw&, SkCanvas::PointMode mode, size_t count, + const SkPoint[], const SkPaint& paint) SK_OVERRIDE; + virtual void drawRect(const SkDraw&, const SkRect& r, + const SkPaint& paint) SK_OVERRIDE; + virtual void drawRRect(const SkDraw&, const SkRRect& r, + const SkPaint& paint) SK_OVERRIDE; + virtual void drawDRRect(const SkDraw& draw, const SkRRect& outer, + const SkRRect& inner, const SkPaint& paint) SK_OVERRIDE; + virtual void drawOval(const SkDraw&, const SkRect& oval, + const SkPaint& paint) SK_OVERRIDE; + virtual void drawPath(const SkDraw&, const SkPath& path, + const SkPaint& paint, const SkMatrix* prePathMatrix, + bool pathIsMutable) SK_OVERRIDE; + virtual void drawBitmap(const SkDraw&, const SkBitmap& bitmap, + const SkMatrix&, const SkPaint&) SK_OVERRIDE; + virtual void drawBitmapRect(const SkDraw&, const SkBitmap&, + const SkRect* srcOrNull, const SkRect& dst, + const SkPaint& paint, + SkCanvas::DrawBitmapRectFlags flags) SK_OVERRIDE; + virtual void drawSprite(const SkDraw&, const SkBitmap& bitmap, + int x, int y, const SkPaint& paint); + virtual void drawText(const SkDraw&, const void* text, size_t len, + SkScalar x, SkScalar y, const SkPaint&) SK_OVERRIDE; + virtual void drawPosText(const SkDraw&, const void* text, size_t len, + const SkScalar pos[], SkScalar constY, + int scalarsPerPos, const SkPaint&) SK_OVERRIDE; + virtual void drawTextOnPath(const SkDraw&, const void* text, size_t len, + const SkPath& path, const SkMatrix* matrix, + const SkPaint&) SK_OVERRIDE; + virtual void drawVertices(const SkDraw&, SkCanvas::VertexMode, int vertexCount, + const SkPoint verts[], const SkPoint texs[], + const SkColor colors[], SkXfermode* xmode, + const uint16_t indices[], int indexCount, + const SkPaint&) SK_OVERRIDE; + virtual void drawDevice(const SkDraw&, SkBaseDevice*, int x, int y, + const SkPaint&) SK_OVERRIDE; + virtual bool filterTextFlags(const SkPaint&, TextFlags*) SK_OVERRIDE; + + virtual void flush() SK_OVERRIDE; + + virtual void onAttachToCanvas(SkCanvas* canvas) SK_OVERRIDE; + virtual void onDetachFromCanvas() SK_OVERRIDE; + + virtual const SkBitmap& onAccessBitmap() SK_OVERRIDE; + + virtual bool canHandleImageFilter(const SkImageFilter*) SK_OVERRIDE; + virtual bool filterImage(const SkImageFilter*, const SkBitmap&, + const SkImageFilter::Context&, + SkBitmap*, SkIPoint*) SK_OVERRIDE; + + class SkAutoCachedTexture; // used internally + + +protected: + virtual bool onReadPixels(const SkImageInfo&, void*, size_t, int, int) SK_OVERRIDE; + virtual bool onWritePixels(const SkImageInfo&, const void*, size_t, int, int) SK_OVERRIDE; + + /** PRIVATE / EXPERIMENTAL -- do not call */ + virtual void EXPERIMENTAL_optimize(const SkPicture* picture) SK_OVERRIDE; + /** PRIVATE / EXPERIMENTAL -- do not call */ + virtual bool EXPERIMENTAL_drawPicture(SkCanvas* canvas, const SkPicture* picture, + const SkMatrix*, const SkPaint*) SK_OVERRIDE; + +private: + GrContext* fContext; + + GrSkDrawProcs* fDrawProcs; + + GrClipData fClipData; + + GrTextContext* fMainTextContext; + GrTextContext* fFallbackTextContext; + + // state for our render-target + GrRenderTarget* fRenderTarget; + bool fNeedClear; + + // remove when our clients don't rely on accessBitmap() + SkBitmap fLegacyBitmap; + + SkGpuDevice(GrSurface*, unsigned flags = 0); + + virtual SkBaseDevice* onCreateDevice(const SkImageInfo&, Usage) SK_OVERRIDE; + + virtual SkSurface* newSurface(const SkImageInfo&) SK_OVERRIDE; + + virtual SkImageFilter::Cache* getImageFilterCache() SK_OVERRIDE; + + // temporarily change the return to false, until we understand the issues with filters and persp + virtual bool forceConservativeRasterClip() const SK_OVERRIDE { return false; } + + // sets the render target, clip, and matrix on GrContext. Use forceIdenity to override + // SkDraw's matrix and draw in device coords. + void prepareDraw(const SkDraw&, bool forceIdentity); + + /** + * Implementation for both drawBitmap and drawBitmapRect. + */ + void drawBitmapCommon(const SkDraw&, + const SkBitmap& bitmap, + const SkRect* srcRectPtr, + const SkSize* dstSizePtr, // ignored iff srcRectPtr == NULL + const SkPaint&, + SkCanvas::DrawBitmapRectFlags flags); + + /** + * Helper functions called by drawBitmapCommon. By the time these are called the SkDraw's + * matrix, clip, and the device's render target has already been set on GrContext. + */ + + // The tileSize and clippedSrcRect will be valid only if true is returned. + bool shouldTileBitmap(const SkBitmap& bitmap, + const GrTextureParams& sampler, + const SkRect* srcRectPtr, + int maxTileSize, + int* tileSize, + SkIRect* clippedSrcRect) const; + void internalDrawBitmap(const SkBitmap&, + const SkRect&, + const GrTextureParams& params, + const SkPaint& paint, + SkCanvas::DrawBitmapRectFlags flags, + bool bicubic, + bool needsTextureDomain); + void drawTiledBitmap(const SkBitmap& bitmap, + const SkRect& srcRect, + const SkIRect& clippedSrcRect, + const GrTextureParams& params, + const SkPaint& paint, + SkCanvas::DrawBitmapRectFlags flags, + int tileSize, + bool bicubic); + + bool drawDashLine(const SkPoint pts[2], const SkPaint& paint); + + static SkPicture::AccelData::Key ComputeAccelDataKey(); + + typedef SkBaseDevice INHERITED; +}; + +#endif -- cgit v1.2.3