epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 1 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 2 | /* |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 3 | * Copyright 2010 Google Inc. |
| 4 | * |
| 5 | * Use of this source code is governed by a BSD-style license that can be |
| 6 | * found in the LICENSE file. |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 7 | */ |
| 8 | |
| 9 | |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 10 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 11 | #ifndef SkGpuDevice_DEFINED |
| 12 | #define SkGpuDevice_DEFINED |
| 13 | |
| 14 | #include "SkGr.h" |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 15 | #include "SkBitmap.h" |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 16 | #include "SkDevice.h" |
| 17 | #include "SkRegion.h" |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 18 | #include "GrContext.h" |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 19 | |
| 20 | struct SkDrawProcs; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 21 | struct GrSkDrawProcs; |
| 22 | class GrTextContext; |
| 23 | |
| 24 | /** |
| 25 | * Subclass of SkDevice, which directs all drawing to the GrGpu owned by the |
| 26 | * canvas. |
| 27 | */ |
bsalomon@google.com | 9182610 | 2011-03-21 19:51:57 +0000 | [diff] [blame] | 28 | class SK_API SkGpuDevice : public SkDevice { |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 29 | public: |
bsalomon@google.com | 2e7b43d | 2011-01-18 20:57:22 +0000 | [diff] [blame] | 30 | /** |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 31 | * New device that will create an offscreen renderTarget based on the |
bsalomon@google.com | 06cd732 | 2012-03-30 18:45:35 +0000 | [diff] [blame] | 32 | * config, width, height. The device's storage will not count against |
| 33 | * the GrContext's texture cache budget. The device's pixels will be |
| 34 | * uninitialized. |
bsalomon@google.com | 2e7b43d | 2011-01-18 20:57:22 +0000 | [diff] [blame] | 35 | */ |
bsalomon@google.com | 06cd732 | 2012-03-30 18:45:35 +0000 | [diff] [blame] | 36 | SkGpuDevice(GrContext*, SkBitmap::Config, int width, int height); |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 37 | |
| 38 | /** |
| 39 | * New device that will render to the specified renderTarget. |
| 40 | */ |
| 41 | SkGpuDevice(GrContext*, GrRenderTarget*); |
bsalomon@google.com | 2e7b43d | 2011-01-18 20:57:22 +0000 | [diff] [blame] | 42 | |
| 43 | /** |
bsalomon@google.com | f9046fe | 2011-06-17 15:10:21 +0000 | [diff] [blame] | 44 | * New device that will render to the texture (as a rendertarget). |
| 45 | * The GrTexture's asRenderTarget() must be non-NULL or device will not |
| 46 | * function. |
| 47 | */ |
| 48 | SkGpuDevice(GrContext*, GrTexture*); |
| 49 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 50 | virtual ~SkGpuDevice(); |
reed@google.com | 7b201d2 | 2011-01-11 18:59:23 +0000 | [diff] [blame] | 51 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 52 | GrContext* context() const { return fContext; } |
| 53 | |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 54 | virtual SkGpuRenderTarget* accessRenderTarget() SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 55 | |
| 56 | // overrides from SkDevice |
| 57 | |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 58 | virtual void clear(SkColor color) SK_OVERRIDE; |
bsalomon@google.com | d58a1cd | 2011-11-10 20:57:43 +0000 | [diff] [blame] | 59 | virtual void writePixels(const SkBitmap& bitmap, int x, int y, |
| 60 | SkCanvas::Config8888 config8888) SK_OVERRIDE; |
reed@google.com | 7b201d2 | 2011-01-11 18:59:23 +0000 | [diff] [blame] | 61 | |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 62 | virtual void drawPaint(const SkDraw&, const SkPaint& paint) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 63 | virtual void drawPoints(const SkDraw&, SkCanvas::PointMode mode, size_t count, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 64 | const SkPoint[], const SkPaint& paint) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 65 | virtual void drawRect(const SkDraw&, const SkRect& r, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 66 | const SkPaint& paint) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 67 | virtual void drawPath(const SkDraw&, const SkPath& path, |
| 68 | const SkPaint& paint, const SkMatrix* prePathMatrix, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 69 | bool pathIsMutable) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 70 | virtual void drawBitmap(const SkDraw&, const SkBitmap& bitmap, |
| 71 | const SkIRect* srcRectOrNull, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 72 | const SkMatrix&, const SkPaint&) SK_OVERRIDE; |
reed@google.com | 33535f3 | 2012-09-25 15:37:50 +0000 | [diff] [blame] | 73 | virtual void drawBitmapRect(const SkDraw&, const SkBitmap&, |
| 74 | const SkRect* srcOrNull, const SkRect& dst, |
| 75 | const SkPaint& paint) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 76 | virtual void drawSprite(const SkDraw&, const SkBitmap& bitmap, |
| 77 | int x, int y, const SkPaint& paint); |
| 78 | virtual void drawText(const SkDraw&, const void* text, size_t len, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 79 | SkScalar x, SkScalar y, const SkPaint&) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 80 | virtual void drawPosText(const SkDraw&, const void* text, size_t len, |
| 81 | const SkScalar pos[], SkScalar constY, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 82 | int scalarsPerPos, const SkPaint&) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 83 | virtual void drawTextOnPath(const SkDraw&, const void* text, size_t len, |
| 84 | const SkPath& path, const SkMatrix* matrix, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 85 | const SkPaint&) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 86 | virtual void drawVertices(const SkDraw&, SkCanvas::VertexMode, int vertexCount, |
| 87 | const SkPoint verts[], const SkPoint texs[], |
| 88 | const SkColor colors[], SkXfermode* xmode, |
| 89 | const uint16_t indices[], int indexCount, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 90 | const SkPaint&) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 91 | virtual void drawDevice(const SkDraw&, SkDevice*, int x, int y, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 92 | const SkPaint&) SK_OVERRIDE; |
| 93 | virtual bool filterTextFlags(const SkPaint&, TextFlags*) SK_OVERRIDE; |
reed@google.com | 7b201d2 | 2011-01-11 18:59:23 +0000 | [diff] [blame] | 94 | |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 95 | virtual void flush(); |
reed@google.com | 7b201d2 | 2011-01-11 18:59:23 +0000 | [diff] [blame] | 96 | |
robertphillips@google.com | 40a1ae4 | 2012-07-13 15:36:15 +0000 | [diff] [blame] | 97 | virtual void onAttachToCanvas(SkCanvas* canvas) SK_OVERRIDE; |
| 98 | virtual void onDetachFromCanvas() SK_OVERRIDE; |
| 99 | |
reed@google.com | 7b201d2 | 2011-01-11 18:59:23 +0000 | [diff] [blame] | 100 | /** |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 101 | * Make's this device's rendertarget current in the underlying 3D API. |
| 102 | * Also implicitly flushes. |
| 103 | */ |
| 104 | virtual void makeRenderTargetCurrent(); |
| 105 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 106 | virtual bool canHandleImageFilter(SkImageFilter*) SK_OVERRIDE; |
| 107 | virtual bool filterImage(SkImageFilter*, const SkBitmap&, const SkMatrix&, |
| 108 | SkBitmap*, SkIPoint*) SK_OVERRIDE; |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 109 | |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 110 | class SkAutoCachedTexture; // used internally |
| 111 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 112 | protected: |
bsalomon@google.com | fb30951 | 2011-11-30 14:13:48 +0000 | [diff] [blame] | 113 | bool isBitmapInTextureCache(const SkBitmap& bitmap, |
bsalomon@google.com | b867099 | 2012-07-25 21:27:09 +0000 | [diff] [blame] | 114 | const GrTextureParams& params) const; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 115 | |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 116 | // overrides from SkDevice |
bsalomon@google.com | 910267d | 2011-11-02 20:06:25 +0000 | [diff] [blame] | 117 | virtual bool onReadPixels(const SkBitmap& bitmap, |
bsalomon@google.com | 6850eab | 2011-11-03 20:29:47 +0000 | [diff] [blame] | 118 | int x, int y, |
| 119 | SkCanvas::Config8888 config8888) SK_OVERRIDE; |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 120 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 121 | private: |
| 122 | GrContext* fContext; |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 123 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 124 | GrSkDrawProcs* fDrawProcs; |
| 125 | |
robertphillips@google.com | 641f8b1 | 2012-07-31 19:15:58 +0000 | [diff] [blame] | 126 | GrClipData fClipData; |
robertphillips@google.com | 40a1ae4 | 2012-07-13 15:36:15 +0000 | [diff] [blame] | 127 | |
bsalomon@google.com | a6926b1 | 2012-10-10 15:25:50 +0000 | [diff] [blame] | 128 | // state for our render-target |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 129 | GrRenderTarget* fRenderTarget; |
| 130 | bool fNeedClear; |
reed@google.com | 7b201d2 | 2011-01-11 18:59:23 +0000 | [diff] [blame] | 131 | |
bsalomon@google.com | f9046fe | 2011-06-17 15:10:21 +0000 | [diff] [blame] | 132 | // called from rt and tex cons |
bsalomon@google.com | 8090e65 | 2012-08-28 15:07:11 +0000 | [diff] [blame] | 133 | void initFromRenderTarget(GrContext*, GrRenderTarget*, bool cached); |
bsalomon@google.com | f9046fe | 2011-06-17 15:10:21 +0000 | [diff] [blame] | 134 | |
bsalomon@google.com | 06cd732 | 2012-03-30 18:45:35 +0000 | [diff] [blame] | 135 | // used by createCompatibleDevice |
robertphillips@google.com | 1f47f4f | 2012-08-16 14:49:16 +0000 | [diff] [blame] | 136 | SkGpuDevice(GrContext*, GrTexture* texture, bool needClear); |
bsalomon@google.com | 06cd732 | 2012-03-30 18:45:35 +0000 | [diff] [blame] | 137 | |
robertphillips@google.com | 54823c2 | 2012-07-03 19:12:29 +0000 | [diff] [blame] | 138 | // override from SkDevice |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 139 | virtual SkDevice* onCreateCompatibleDevice(SkBitmap::Config config, |
| 140 | int width, int height, |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 141 | bool isOpaque, |
robertphillips@google.com | 49d9fd5 | 2012-05-23 11:44:08 +0000 | [diff] [blame] | 142 | Usage usage) SK_OVERRIDE; |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 143 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 144 | SkDrawProcs* initDrawForText(GrTextContext*); |
bsalomon@google.com | c6cf723 | 2011-02-17 16:43:10 +0000 | [diff] [blame] | 145 | bool bindDeviceAsTexture(GrPaint* paint); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 146 | |
bsalomon@google.com | a99226e | 2012-10-12 15:01:38 +0000 | [diff] [blame^] | 147 | // sets the render target, clip, and matrix on GrContext. Use forceIdenity to override |
| 148 | // SkDraw's matrix and draw in device coords. |
| 149 | void prepareDraw(const SkDraw&, bool forceIdentity); |
bsalomon@google.com | 3ab43d5 | 2012-10-11 19:39:09 +0000 | [diff] [blame] | 150 | |
| 151 | /** |
| 152 | * Implementation for both drawBitmap and drawBitmapRect. |
| 153 | */ |
skia.committer@gmail.com | 22b460c | 2012-09-29 02:01:02 +0000 | [diff] [blame] | 154 | void drawBitmapCommon(const SkDraw&, |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 155 | const SkBitmap& bitmap, |
| 156 | const SkRect* srcRectPtr, |
skia.committer@gmail.com | 22b460c | 2012-09-29 02:01:02 +0000 | [diff] [blame] | 157 | const SkMatrix&, |
robertphillips@google.com | bac6b05 | 2012-09-28 18:06:49 +0000 | [diff] [blame] | 158 | const SkPaint&); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 159 | |
bsalomon@google.com | f4a9c82 | 2012-03-16 14:02:46 +0000 | [diff] [blame] | 160 | /** |
bsalomon@google.com | 3ab43d5 | 2012-10-11 19:39:09 +0000 | [diff] [blame] | 161 | * Helper functions called by drawBitmapCommon. By the time these are called the SkDraw's |
| 162 | * matrix has already been set on GrContext |
| 163 | */ |
| 164 | bool shouldTileBitmap(const SkBitmap& bitmap, |
| 165 | const GrTextureParams& sampler, |
| 166 | const SkRect* srcRectPtr) const; |
| 167 | void internalDrawBitmap(const SkBitmap&, |
| 168 | const SkRect&, |
| 169 | const SkMatrix&, |
| 170 | const GrTextureParams& params, |
| 171 | GrPaint* grPaint); |
| 172 | void drawTiledBitmap(const SkBitmap& bitmap, |
| 173 | const SkRect& srcRect, |
| 174 | const SkMatrix& m, |
| 175 | const GrTextureParams& params, |
| 176 | GrPaint* grPaint); |
| 177 | |
| 178 | /** |
bsalomon@google.com | f4a9c82 | 2012-03-16 14:02:46 +0000 | [diff] [blame] | 179 | * Returns non-initialized instance. |
| 180 | */ |
| 181 | GrTextContext* getTextContext(); |
| 182 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 183 | typedef SkDevice INHERITED; |
| 184 | }; |
| 185 | |
| 186 | #endif |
| 187 | |