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 | |
| 54 | /** |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 55 | * Override from SkGpuDevice, so we can set our FBO to be the render target |
| 56 | * The canvas parameter must be a SkGpuCanvas |
| 57 | */ |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 58 | virtual void gainFocus(SkCanvas*, const SkMatrix&, const SkRegion&, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 59 | const SkClipStack& clipStack) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 60 | |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 61 | virtual SkGpuRenderTarget* accessRenderTarget() SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 62 | |
| 63 | // overrides from SkDevice |
| 64 | |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 65 | virtual void clear(SkColor color) SK_OVERRIDE; |
bsalomon@google.com | d58a1cd | 2011-11-10 20:57:43 +0000 | [diff] [blame] | 66 | virtual void writePixels(const SkBitmap& bitmap, int x, int y, |
| 67 | SkCanvas::Config8888 config8888) SK_OVERRIDE; |
reed@google.com | 7b201d2 | 2011-01-11 18:59:23 +0000 | [diff] [blame] | 68 | |
tomhudson@google.com | 8a0b029 | 2011-09-13 14:41:06 +0000 | [diff] [blame] | 69 | virtual void setMatrixClip(const SkMatrix& matrix, const SkRegion& clip, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 70 | const SkClipStack&) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 71 | |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 72 | virtual void drawPaint(const SkDraw&, const SkPaint& paint) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 73 | virtual void drawPoints(const SkDraw&, SkCanvas::PointMode mode, size_t count, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 74 | const SkPoint[], const SkPaint& paint) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 75 | virtual void drawRect(const SkDraw&, const SkRect& r, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 76 | const SkPaint& paint) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 77 | virtual void drawPath(const SkDraw&, const SkPath& path, |
| 78 | const SkPaint& paint, const SkMatrix* prePathMatrix, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 79 | bool pathIsMutable) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 80 | virtual void drawBitmap(const SkDraw&, const SkBitmap& bitmap, |
| 81 | const SkIRect* srcRectOrNull, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 82 | const SkMatrix&, const SkPaint&) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 83 | virtual void drawSprite(const SkDraw&, const SkBitmap& bitmap, |
| 84 | int x, int y, const SkPaint& paint); |
| 85 | virtual void drawText(const SkDraw&, const void* text, size_t len, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 86 | SkScalar x, SkScalar y, const SkPaint&) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 87 | virtual void drawPosText(const SkDraw&, const void* text, size_t len, |
| 88 | const SkScalar pos[], SkScalar constY, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 89 | int scalarsPerPos, const SkPaint&) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 90 | virtual void drawTextOnPath(const SkDraw&, const void* text, size_t len, |
| 91 | const SkPath& path, const SkMatrix* matrix, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 92 | const SkPaint&) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 93 | virtual void drawVertices(const SkDraw&, SkCanvas::VertexMode, int vertexCount, |
| 94 | const SkPoint verts[], const SkPoint texs[], |
| 95 | const SkColor colors[], SkXfermode* xmode, |
| 96 | const uint16_t indices[], int indexCount, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 97 | const SkPaint&) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 98 | virtual void drawDevice(const SkDraw&, SkDevice*, int x, int y, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 99 | const SkPaint&) SK_OVERRIDE; |
| 100 | virtual bool filterTextFlags(const SkPaint&, TextFlags*) SK_OVERRIDE; |
reed@google.com | 7b201d2 | 2011-01-11 18:59:23 +0000 | [diff] [blame] | 101 | |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 102 | virtual void flush(); |
reed@google.com | 7b201d2 | 2011-01-11 18:59:23 +0000 | [diff] [blame] | 103 | |
| 104 | /** |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 105 | * Make's this device's rendertarget current in the underlying 3D API. |
| 106 | * Also implicitly flushes. |
| 107 | */ |
| 108 | virtual void makeRenderTargetCurrent(); |
| 109 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 110 | virtual bool canHandleImageFilter(SkImageFilter*) SK_OVERRIDE; |
| 111 | virtual bool filterImage(SkImageFilter*, const SkBitmap&, const SkMatrix&, |
| 112 | SkBitmap*, SkIPoint*) SK_OVERRIDE; |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 113 | |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame] | 114 | class SkAutoCachedTexture; // used internally |
| 115 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 116 | protected: |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 117 | typedef GrContext::TextureCacheEntry TexCache; |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 118 | TexCache lockCachedTexture(const SkBitmap& bitmap, |
bsalomon@google.com | 06cd732 | 2012-03-30 18:45:35 +0000 | [diff] [blame] | 119 | const GrSamplerState* sampler); |
bsalomon@google.com | fb30951 | 2011-11-30 14:13:48 +0000 | [diff] [blame] | 120 | bool isBitmapInTextureCache(const SkBitmap& bitmap, |
| 121 | const GrSamplerState& sampler) const; |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 122 | void unlockCachedTexture(TexCache); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 123 | |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 124 | // overrides from SkDevice |
bsalomon@google.com | 910267d | 2011-11-02 20:06:25 +0000 | [diff] [blame] | 125 | virtual bool onReadPixels(const SkBitmap& bitmap, |
bsalomon@google.com | 6850eab | 2011-11-03 20:29:47 +0000 | [diff] [blame] | 126 | int x, int y, |
| 127 | SkCanvas::Config8888 config8888) SK_OVERRIDE; |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 128 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 129 | private: |
| 130 | GrContext* fContext; |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 131 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 132 | GrSkDrawProcs* fDrawProcs; |
| 133 | |
| 134 | // state for our offscreen render-target |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 135 | TexCache fCache; |
| 136 | GrTexture* fTexture; |
| 137 | GrRenderTarget* fRenderTarget; |
| 138 | bool fNeedClear; |
| 139 | bool fNeedPrepareRenderTarget; |
reed@google.com | 7b201d2 | 2011-01-11 18:59:23 +0000 | [diff] [blame] | 140 | |
bsalomon@google.com | f4a9c82 | 2012-03-16 14:02:46 +0000 | [diff] [blame] | 141 | GrTextContext* fTextContext; |
| 142 | |
bsalomon@google.com | f9046fe | 2011-06-17 15:10:21 +0000 | [diff] [blame] | 143 | // called from rt and tex cons |
| 144 | void initFromRenderTarget(GrContext*, GrRenderTarget*); |
| 145 | |
bsalomon@google.com | 06cd732 | 2012-03-30 18:45:35 +0000 | [diff] [blame] | 146 | // used by createCompatibleDevice |
| 147 | SkGpuDevice(GrContext*, GrTexture* texture, TexCache, bool needClear); |
| 148 | |
robertphillips@google.com | 49d9fd5 | 2012-05-23 11:44:08 +0000 | [diff] [blame^] | 149 | // overrides from SkDevice |
| 150 | virtual void postSave() SK_OVERRIDE { |
| 151 | fContext->postClipPush(); |
| 152 | } |
| 153 | virtual void preRestore() SK_OVERRIDE { |
| 154 | fContext->preClipPop(); |
| 155 | } |
| 156 | |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 157 | virtual SkDevice* onCreateCompatibleDevice(SkBitmap::Config config, |
| 158 | int width, int height, |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 159 | bool isOpaque, |
robertphillips@google.com | 49d9fd5 | 2012-05-23 11:44:08 +0000 | [diff] [blame^] | 160 | Usage usage) SK_OVERRIDE; |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 161 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 162 | SkDrawProcs* initDrawForText(GrTextContext*); |
bsalomon@google.com | c6cf723 | 2011-02-17 16:43:10 +0000 | [diff] [blame] | 163 | bool bindDeviceAsTexture(GrPaint* paint); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 164 | |
| 165 | void prepareRenderTarget(const SkDraw&); |
bsalomon@google.com | fb30951 | 2011-11-30 14:13:48 +0000 | [diff] [blame] | 166 | bool shouldTileBitmap(const SkBitmap& bitmap, |
| 167 | const GrSamplerState& sampler, |
| 168 | const SkIRect* srcRectPtr, |
| 169 | int* tileSize) const; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 170 | void internalDrawBitmap(const SkDraw&, const SkBitmap&, |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 171 | const SkIRect&, const SkMatrix&, GrPaint* grPaint); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 172 | |
bsalomon@google.com | f4a9c82 | 2012-03-16 14:02:46 +0000 | [diff] [blame] | 173 | /** |
| 174 | * Returns non-initialized instance. |
| 175 | */ |
| 176 | GrTextContext* getTextContext(); |
| 177 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 178 | typedef SkDevice INHERITED; |
| 179 | }; |
| 180 | |
| 181 | #endif |
| 182 | |