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 |
| 32 | * config, width, height. |
| 33 | * |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 34 | * usage is a special flag that should only be set by SkCanvas |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 35 | * internally. |
bsalomon@google.com | 2e7b43d | 2011-01-18 20:57:22 +0000 | [diff] [blame] | 36 | */ |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 37 | SkGpuDevice(GrContext*, SkBitmap::Config, |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 38 | int width, int height, |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 39 | SkDevice::Usage usage = SkDevice::kGeneral_Usage); |
reed@google.com | af951c9 | 2011-06-16 19:10:39 +0000 | [diff] [blame] | 40 | |
| 41 | /** |
| 42 | * New device that will render to the specified renderTarget. |
| 43 | */ |
| 44 | SkGpuDevice(GrContext*, GrRenderTarget*); |
bsalomon@google.com | 2e7b43d | 2011-01-18 20:57:22 +0000 | [diff] [blame] | 45 | |
| 46 | /** |
bsalomon@google.com | f9046fe | 2011-06-17 15:10:21 +0000 | [diff] [blame] | 47 | * New device that will render to the texture (as a rendertarget). |
| 48 | * The GrTexture's asRenderTarget() must be non-NULL or device will not |
| 49 | * function. |
| 50 | */ |
| 51 | SkGpuDevice(GrContext*, GrTexture*); |
| 52 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 53 | virtual ~SkGpuDevice(); |
reed@google.com | 7b201d2 | 2011-01-11 18:59:23 +0000 | [diff] [blame] | 54 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 55 | GrContext* context() const { return fContext; } |
| 56 | |
| 57 | /** |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 58 | * Override from SkGpuDevice, so we can set our FBO to be the render target |
| 59 | * The canvas parameter must be a SkGpuCanvas |
| 60 | */ |
bsalomon@google.com | d302f14 | 2011-03-03 13:54:13 +0000 | [diff] [blame] | 61 | virtual void gainFocus(SkCanvas*, const SkMatrix&, const SkRegion&, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 62 | const SkClipStack& clipStack) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 63 | |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 64 | virtual SkGpuRenderTarget* accessRenderTarget() SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 65 | |
| 66 | // overrides from SkDevice |
| 67 | |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 68 | virtual void clear(SkColor color) SK_OVERRIDE; |
bsalomon@google.com | d58a1cd | 2011-11-10 20:57:43 +0000 | [diff] [blame] | 69 | virtual void writePixels(const SkBitmap& bitmap, int x, int y, |
| 70 | SkCanvas::Config8888 config8888) SK_OVERRIDE; |
reed@google.com | 7b201d2 | 2011-01-11 18:59:23 +0000 | [diff] [blame] | 71 | |
tomhudson@google.com | 8a0b029 | 2011-09-13 14:41:06 +0000 | [diff] [blame] | 72 | virtual void setMatrixClip(const SkMatrix& matrix, const SkRegion& clip, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 73 | const SkClipStack&) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 74 | |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 75 | virtual void drawPaint(const SkDraw&, const SkPaint& paint) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 76 | virtual void drawPoints(const SkDraw&, SkCanvas::PointMode mode, size_t count, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 77 | const SkPoint[], const SkPaint& paint) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 78 | virtual void drawRect(const SkDraw&, const SkRect& r, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 79 | const SkPaint& paint) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 80 | virtual void drawPath(const SkDraw&, const SkPath& path, |
| 81 | const SkPaint& paint, const SkMatrix* prePathMatrix, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 82 | bool pathIsMutable) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 83 | virtual void drawBitmap(const SkDraw&, const SkBitmap& bitmap, |
| 84 | const SkIRect* srcRectOrNull, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 85 | const SkMatrix&, const SkPaint&) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 86 | virtual void drawSprite(const SkDraw&, const SkBitmap& bitmap, |
| 87 | int x, int y, const SkPaint& paint); |
| 88 | virtual void drawText(const SkDraw&, const void* text, size_t len, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 89 | SkScalar x, SkScalar y, const SkPaint&) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 90 | virtual void drawPosText(const SkDraw&, const void* text, size_t len, |
| 91 | const SkScalar pos[], SkScalar constY, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 92 | int scalarsPerPos, const SkPaint&) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 93 | virtual void drawTextOnPath(const SkDraw&, const void* text, size_t len, |
| 94 | const SkPath& path, const SkMatrix* matrix, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 95 | const SkPaint&) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 96 | virtual void drawVertices(const SkDraw&, SkCanvas::VertexMode, int vertexCount, |
| 97 | const SkPoint verts[], const SkPoint texs[], |
| 98 | const SkColor colors[], SkXfermode* xmode, |
| 99 | const uint16_t indices[], int indexCount, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 100 | const SkPaint&) SK_OVERRIDE; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 101 | virtual void drawDevice(const SkDraw&, SkDevice*, int x, int y, |
reed@google.com | 75d939b | 2011-12-07 15:07:23 +0000 | [diff] [blame] | 102 | const SkPaint&) SK_OVERRIDE; |
| 103 | virtual bool filterTextFlags(const SkPaint&, TextFlags*) SK_OVERRIDE; |
reed@google.com | 7b201d2 | 2011-01-11 18:59:23 +0000 | [diff] [blame] | 104 | |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 105 | virtual void flush(); |
reed@google.com | 7b201d2 | 2011-01-11 18:59:23 +0000 | [diff] [blame] | 106 | |
| 107 | /** |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 108 | * Make's this device's rendertarget current in the underlying 3D API. |
| 109 | * Also implicitly flushes. |
| 110 | */ |
| 111 | virtual void makeRenderTargetCurrent(); |
| 112 | |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 113 | virtual bool filterImage(SkImageFilter*, const SkBitmap& src, |
| 114 | const SkMatrix& ctm, |
| 115 | SkBitmap* result, SkIPoint* offset) SK_OVERRIDE; |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 116 | |
bsalomon@google.com | 84405e0 | 2012-03-05 19:57:21 +0000 | [diff] [blame^] | 117 | class SkAutoCachedTexture; // used internally |
| 118 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 119 | protected: |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 120 | typedef GrContext::TextureCacheEntry TexCache; |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 121 | enum TexType { |
| 122 | kBitmap_TexType, |
| 123 | kDeviceRenderTarget_TexType, |
| 124 | kSaveLayerDeviceRenderTarget_TexType |
| 125 | }; |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 126 | TexCache lockCachedTexture(const SkBitmap& bitmap, |
bsalomon@google.com | 1fadb20 | 2011-12-12 16:10:08 +0000 | [diff] [blame] | 127 | const GrSamplerState* sampler, |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 128 | TexType type = kBitmap_TexType); |
bsalomon@google.com | fb30951 | 2011-11-30 14:13:48 +0000 | [diff] [blame] | 129 | bool isBitmapInTextureCache(const SkBitmap& bitmap, |
| 130 | const GrSamplerState& sampler) const; |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 131 | void unlockCachedTexture(TexCache); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 132 | |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 133 | // overrides from SkDevice |
bsalomon@google.com | 910267d | 2011-11-02 20:06:25 +0000 | [diff] [blame] | 134 | virtual bool onReadPixels(const SkBitmap& bitmap, |
bsalomon@google.com | 6850eab | 2011-11-03 20:29:47 +0000 | [diff] [blame] | 135 | int x, int y, |
| 136 | SkCanvas::Config8888 config8888) SK_OVERRIDE; |
bsalomon@google.com | c698097 | 2011-11-02 19:57:21 +0000 | [diff] [blame] | 137 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 138 | private: |
| 139 | GrContext* fContext; |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 140 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 141 | GrSkDrawProcs* fDrawProcs; |
| 142 | |
| 143 | // state for our offscreen render-target |
bsalomon@google.com | 50398bf | 2011-07-26 20:45:30 +0000 | [diff] [blame] | 144 | TexCache fCache; |
| 145 | GrTexture* fTexture; |
| 146 | GrRenderTarget* fRenderTarget; |
| 147 | bool fNeedClear; |
| 148 | bool fNeedPrepareRenderTarget; |
reed@google.com | 7b201d2 | 2011-01-11 18:59:23 +0000 | [diff] [blame] | 149 | |
bsalomon@google.com | f9046fe | 2011-06-17 15:10:21 +0000 | [diff] [blame] | 150 | // called from rt and tex cons |
| 151 | void initFromRenderTarget(GrContext*, GrRenderTarget*); |
| 152 | |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 153 | // override from SkDevice |
vandebo@chromium.org | 74b4619 | 2012-01-28 01:45:11 +0000 | [diff] [blame] | 154 | virtual SkDevice* onCreateCompatibleDevice(SkBitmap::Config config, |
| 155 | int width, int height, |
bsalomon@google.com | e97f085 | 2011-06-17 13:10:25 +0000 | [diff] [blame] | 156 | bool isOpaque, |
| 157 | Usage usage); |
| 158 | |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 159 | SkDrawProcs* initDrawForText(GrTextContext*); |
bsalomon@google.com | c6cf723 | 2011-02-17 16:43:10 +0000 | [diff] [blame] | 160 | bool bindDeviceAsTexture(GrPaint* paint); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 161 | |
| 162 | void prepareRenderTarget(const SkDraw&); |
bsalomon@google.com | fb30951 | 2011-11-30 14:13:48 +0000 | [diff] [blame] | 163 | bool shouldTileBitmap(const SkBitmap& bitmap, |
| 164 | const GrSamplerState& sampler, |
| 165 | const SkIRect* srcRectPtr, |
| 166 | int* tileSize) const; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 167 | void internalDrawBitmap(const SkDraw&, const SkBitmap&, |
bsalomon@google.com | 5782d71 | 2011-01-21 21:03:59 +0000 | [diff] [blame] | 168 | const SkIRect&, const SkMatrix&, GrPaint* grPaint); |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 169 | |
| 170 | typedef SkDevice INHERITED; |
| 171 | }; |
| 172 | |
| 173 | #endif |
| 174 | |