Revert "Move SkGpuDevice.h to src/gpu"

src/gpu/SkGpuDevice.h

-
-/*
- * 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