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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef GrGpuGL_DEFINED | 8 #ifndef GrGpuGL_DEFINED |
9 #define GrGpuGL_DEFINED | 9 #define GrGpuGL_DEFINED |
10 | 10 |
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23 #include "GrOptDrawState.h" | 23 #include "GrOptDrawState.h" |
24 #include "SkTypes.h" | 24 #include "SkTypes.h" |
25 | 25 |
26 #ifdef SK_DEVELOPER | 26 #ifdef SK_DEVELOPER |
27 #define PROGRAM_CACHE_STATS | 27 #define PROGRAM_CACHE_STATS |
28 #endif | 28 #endif |
29 | 29 |
30 class GrGLGpu : public GrGpu { | 30 class GrGLGpu : public GrGpu { |
31 public: | 31 public: |
32 GrGLGpu(const GrGLContext& ctx, GrContext* context); | 32 GrGLGpu(const GrGLContext& ctx, GrContext* context); |
33 virtual ~GrGLGpu(); | 33 ~GrGLGpu() SK_OVERRIDE; |
34 | 34 |
35 virtual void contextAbandoned() SK_OVERRIDE; | 35 void contextAbandoned() SK_OVERRIDE; |
36 | 36 |
37 const GrGLContext& glContext() const { return fGLContext; } | 37 const GrGLContext& glContext() const { return fGLContext; } |
38 | 38 |
39 const GrGLInterface* glInterface() const { return fGLContext.interface(); } | 39 const GrGLInterface* glInterface() const { return fGLContext.interface(); } |
40 const GrGLContextInfo& ctxInfo() const { return fGLContext; } | 40 const GrGLContextInfo& ctxInfo() const { return fGLContext; } |
41 GrGLStandard glStandard() const { return fGLContext.standard(); } | 41 GrGLStandard glStandard() const { return fGLContext.standard(); } |
42 GrGLVersion glVersion() const { return fGLContext.version(); } | 42 GrGLVersion glVersion() const { return fGLContext.version(); } |
43 GrGLSLGeneration glslGeneration() const { return fGLContext.glslGeneration()
; } | 43 GrGLSLGeneration glslGeneration() const { return fGLContext.glslGeneration()
; } |
44 const GrGLCaps& glCaps() const { return *fGLContext.caps(); } | 44 const GrGLCaps& glCaps() const { return *fGLContext.caps(); } |
45 | 45 |
46 GrGLPathRendering* glPathRendering() { | 46 GrGLPathRendering* glPathRendering() { |
47 SkASSERT(glCaps().pathRenderingSupport()); | 47 SkASSERT(glCaps().pathRenderingSupport()); |
48 return static_cast<GrGLPathRendering*>(pathRendering()); | 48 return static_cast<GrGLPathRendering*>(pathRendering()); |
49 } | 49 } |
50 | 50 |
51 virtual void discard(GrRenderTarget*) SK_OVERRIDE; | 51 void discard(GrRenderTarget*) SK_OVERRIDE; |
52 | 52 |
53 // Used by GrGLProgram and GrGLPathTexGenProgramEffects to configure OpenGL | 53 // Used by GrGLProgram and GrGLPathTexGenProgramEffects to configure OpenGL |
54 // state. | 54 // state. |
55 void bindTexture(int unitIdx, const GrTextureParams& params, GrGLTexture* te
xture); | 55 void bindTexture(int unitIdx, const GrTextureParams& params, GrGLTexture* te
xture); |
56 | 56 |
57 // GrGpu overrides | 57 // GrGpu overrides |
58 virtual GrPixelConfig preferredReadPixelsConfig(GrPixelConfig readConfig, | 58 GrPixelConfig preferredReadPixelsConfig(GrPixelConfig readConfig, |
59 GrPixelConfig surfaceConfig)
const SK_OVERRIDE; | 59 GrPixelConfig surfaceConfig) const S
K_OVERRIDE; |
60 virtual GrPixelConfig preferredWritePixelsConfig(GrPixelConfig writeConfig, | 60 GrPixelConfig preferredWritePixelsConfig(GrPixelConfig writeConfig, |
61 GrPixelConfig surfaceConfig
) const SK_OVERRIDE; | 61 GrPixelConfig surfaceConfig) const
SK_OVERRIDE; |
62 virtual bool canWriteTexturePixels(const GrTexture*, GrPixelConfig srcConfig
) const SK_OVERRIDE; | 62 bool canWriteTexturePixels(const GrTexture*, GrPixelConfig srcConfig) const
SK_OVERRIDE; |
63 virtual bool readPixelsWillPayForYFlip( | 63 bool readPixelsWillPayForYFlip(GrRenderTarget* renderTarget, |
64 GrRenderTarget* renderTarget, | 64 int left, int top, |
65 int left, int top, | 65 int width, int height, |
66 int width, int height, | 66 GrPixelConfig config, |
67 GrPixelConfig config, | 67 size_t rowBytes) const SK_OVERRIDE; |
68 size_t rowBytes) const SK_OVERRIDE; | 68 bool fullReadPixelsIsFasterThanPartial() const SK_OVERRIDE; |
69 virtual bool fullReadPixelsIsFasterThanPartial() const SK_OVERRIDE; | |
70 | 69 |
71 virtual bool initCopySurfaceDstDesc(const GrSurface* src, GrSurfaceDesc* des
c) SK_OVERRIDE; | 70 bool initCopySurfaceDstDesc(const GrSurface* src, GrSurfaceDesc* desc) SK_OV
ERRIDE; |
72 | 71 |
73 // These functions should be used to bind GL objects. They track the GL stat
e and skip redundant | 72 // These functions should be used to bind GL objects. They track the GL stat
e and skip redundant |
74 // bindings. Making the equivalent glBind calls directly will confuse the st
ate tracking. | 73 // bindings. Making the equivalent glBind calls directly will confuse the st
ate tracking. |
75 void bindVertexArray(GrGLuint id) { | 74 void bindVertexArray(GrGLuint id) { |
76 fHWGeometryState.setVertexArrayID(this, id); | 75 fHWGeometryState.setVertexArrayID(this, id); |
77 } | 76 } |
78 void bindIndexBufferAndDefaultVertexArray(GrGLuint id) { | 77 void bindIndexBufferAndDefaultVertexArray(GrGLuint id) { |
79 fHWGeometryState.setIndexBufferIDOnDefaultVertexArray(this, id); | 78 fHWGeometryState.setIndexBufferIDOnDefaultVertexArray(this, id); |
80 } | 79 } |
81 void bindVertexBuffer(GrGLuint id) { | 80 void bindVertexBuffer(GrGLuint id) { |
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98 GrSurface* src, | 97 GrSurface* src, |
99 const SkIRect& srcRect, | 98 const SkIRect& srcRect, |
100 const SkIPoint& dstPoint) SK_OVERRIDE; | 99 const SkIPoint& dstPoint) SK_OVERRIDE; |
101 | 100 |
102 bool canCopySurface(const GrSurface* dst, | 101 bool canCopySurface(const GrSurface* dst, |
103 const GrSurface* src, | 102 const GrSurface* src, |
104 const SkIRect& srcRect, | 103 const SkIRect& srcRect, |
105 const SkIPoint& dstPoint) SK_OVERRIDE; | 104 const SkIPoint& dstPoint) SK_OVERRIDE; |
106 | 105 |
107 protected: | 106 protected: |
108 virtual void buildProgramDesc(const GrOptDrawState&, | 107 void buildProgramDesc(const GrOptDrawState&, |
109 const GrProgramDesc::DescInfo&, | 108 const GrProgramDesc::DescInfo&, |
110 GrGpu::DrawType, | 109 GrGpu::DrawType, |
111 GrProgramDesc*) SK_OVERRIDE; | 110 GrProgramDesc*) SK_OVERRIDE; |
112 | 111 |
113 private: | 112 private: |
114 // GrGpu overrides | 113 // GrGpu overrides |
115 virtual void onResetContext(uint32_t resetBits) SK_OVERRIDE; | 114 void onResetContext(uint32_t resetBits) SK_OVERRIDE; |
116 | 115 |
117 virtual GrTexture* onCreateTexture(const GrSurfaceDesc& desc, | 116 GrTexture* onCreateTexture(const GrSurfaceDesc& desc, |
118 const void* srcData, | 117 const void* srcData, |
119 size_t rowBytes) SK_OVERRIDE; | 118 size_t rowBytes) SK_OVERRIDE; |
120 virtual GrTexture* onCreateCompressedTexture(const GrSurfaceDesc& desc, | 119 GrTexture* onCreateCompressedTexture(const GrSurfaceDesc& desc, |
121 const void* srcData) SK_OVERRID
E; | 120 const void* srcData) SK_OVERRIDE; |
122 virtual GrVertexBuffer* onCreateVertexBuffer(size_t size, bool dynamic) SK_O
VERRIDE; | 121 GrVertexBuffer* onCreateVertexBuffer(size_t size, bool dynamic) SK_OVERRIDE; |
123 virtual GrIndexBuffer* onCreateIndexBuffer(size_t size, bool dynamic) SK_OVE
RRIDE; | 122 GrIndexBuffer* onCreateIndexBuffer(size_t size, bool dynamic) SK_OVERRIDE; |
124 virtual GrTexture* onWrapBackendTexture(const GrBackendTextureDesc&) SK_OVER
RIDE; | 123 GrTexture* onWrapBackendTexture(const GrBackendTextureDesc&) SK_OVERRIDE; |
125 virtual GrRenderTarget* onWrapBackendRenderTarget(const GrBackendRenderTarge
tDesc&) SK_OVERRIDE; | 124 GrRenderTarget* onWrapBackendRenderTarget(const GrBackendRenderTargetDesc&)
SK_OVERRIDE; |
126 virtual bool createStencilBufferForRenderTarget(GrRenderTarget* rt, | 125 bool createStencilBufferForRenderTarget(GrRenderTarget* rt, |
127 int width, | 126 int width, int height) SK_OVERRIDE; |
128 int height) SK_OVERRIDE; | 127 bool attachStencilBufferToRenderTarget(GrStencilBuffer* sb, GrRenderTarget*
rt) SK_OVERRIDE; |
129 virtual bool attachStencilBufferToRenderTarget( | |
130 GrStencilBuffer* sb, | |
131 GrRenderTarget* rt) SK_OVERRIDE; | |
132 | 128 |
133 virtual void onClear(GrRenderTarget*, const SkIRect* rect, GrColor color, | 129 void onClear(GrRenderTarget*, const SkIRect* rect, GrColor color, |
134 bool canIgnoreRect) SK_OVERRIDE; | 130 bool canIgnoreRect) SK_OVERRIDE; |
135 | 131 |
136 virtual void onClearStencilClip(GrRenderTarget*, | 132 void onClearStencilClip(GrRenderTarget*, const SkIRect& rect, bool insideCli
p) SK_OVERRIDE; |
137 const SkIRect& rect, | |
138 bool insideClip) SK_OVERRIDE; | |
139 | 133 |
140 virtual bool onReadPixels(GrRenderTarget* target, | 134 bool onReadPixels(GrRenderTarget* target, |
141 int left, int top, | 135 int left, int top, |
142 int width, int height, | 136 int width, int height, |
143 GrPixelConfig, | 137 GrPixelConfig, |
144 void* buffer, | 138 void* buffer, |
| 139 size_t rowBytes) SK_OVERRIDE; |
| 140 |
| 141 bool onWriteTexturePixels(GrTexture* texture, |
| 142 int left, int top, int width, int height, |
| 143 GrPixelConfig config, const void* buffer, |
145 size_t rowBytes) SK_OVERRIDE; | 144 size_t rowBytes) SK_OVERRIDE; |
146 | 145 |
147 virtual bool onWriteTexturePixels(GrTexture* texture, | 146 void onResolveRenderTarget(GrRenderTarget* target) SK_OVERRIDE; |
148 int left, int top, int width, int height, | |
149 GrPixelConfig config, const void* buffer, | |
150 size_t rowBytes) SK_OVERRIDE; | |
151 | 147 |
152 virtual void onResolveRenderTarget(GrRenderTarget* target) SK_OVERRIDE; | 148 void onDraw(const GrOptDrawState&, const GrDrawTarget::DrawInfo&) SK_OVERRID
E; |
| 149 void onStencilPath(const GrOptDrawState&, const GrPath*, const GrStencilSett
ings&) SK_OVERRIDE; |
| 150 void onDrawPath(const GrOptDrawState&, const GrPath*, const GrStencilSetting
s&) SK_OVERRIDE; |
| 151 void onDrawPaths(const GrOptDrawState&, |
| 152 const GrPathRange*, |
| 153 const void* indices, |
| 154 GrDrawTarget::PathIndexType, |
| 155 const float transformValues[], |
| 156 GrDrawTarget::PathTransformType, |
| 157 int count, |
| 158 const GrStencilSettings&) SK_OVERRIDE; |
153 | 159 |
154 virtual void onDraw(const GrOptDrawState&, const GrDrawTarget::DrawInfo&) SK
_OVERRIDE; | 160 void clearStencil(GrRenderTarget*) SK_OVERRIDE; |
155 | |
156 | |
157 virtual void clearStencil(GrRenderTarget*) SK_OVERRIDE; | |
158 virtual bool flushGraphicsState(const GrOptDrawState&) SK_OVERRIDE; | |
159 | 161 |
160 // GrDrawTarget overrides | 162 // GrDrawTarget overrides |
161 virtual void didAddGpuTraceMarker() SK_OVERRIDE; | 163 void didAddGpuTraceMarker() SK_OVERRIDE; |
162 virtual void didRemoveGpuTraceMarker() SK_OVERRIDE; | 164 void didRemoveGpuTraceMarker() SK_OVERRIDE; |
163 | 165 |
164 // binds texture unit in GL | 166 // binds texture unit in GL |
165 void setTextureUnit(int unitIdx); | 167 void setTextureUnit(int unitIdx); |
166 | 168 |
| 169 // Flushes state from GrOptDrawState to GL. Returns false if the state could
n't be set. |
| 170 bool flushGLState(const GrOptDrawState&); |
| 171 |
167 // Sets up vertex attribute pointers and strides. On return indexOffsetInByt
es gives the offset | 172 // Sets up vertex attribute pointers and strides. On return indexOffsetInByt
es gives the offset |
168 // an into the index buffer. It does not account for drawInfo.startIndex() b
ut rather the start | 173 // an into the index buffer. It does not account for drawInfo.startIndex() b
ut rather the start |
169 // index is relative to the returned offset. | 174 // index is relative to the returned offset. |
170 void setupGeometry(const GrOptDrawState&, | 175 void setupGeometry(const GrOptDrawState&, |
171 const GrDrawTarget::DrawInfo& info, | 176 const GrDrawTarget::DrawInfo& info, |
172 size_t* indexOffsetInBytes); | 177 size_t* indexOffsetInBytes); |
173 | 178 |
174 // Subclasses should call this to flush the blend state. | 179 // Subclasses should call this to flush the blend state. |
175 void flushBlend(const GrOptDrawState& optState); | 180 void flushBlend(const GrOptDrawState& optState); |
176 | 181 |
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444 | 449 |
445 // we record what stencil format worked last time to hopefully exit early | 450 // we record what stencil format worked last time to hopefully exit early |
446 // from our loop that tries stencil formats and calls check fb status. | 451 // from our loop that tries stencil formats and calls check fb status. |
447 int fLastSuccessfulStencilFmtIdx; | 452 int fLastSuccessfulStencilFmtIdx; |
448 | 453 |
449 typedef GrGpu INHERITED; | 454 typedef GrGpu INHERITED; |
450 friend class GrGLPathRendering; // For accessing setTextureUnit. | 455 friend class GrGLPathRendering; // For accessing setTextureUnit. |
451 }; | 456 }; |
452 | 457 |
453 #endif | 458 #endif |
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