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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 |
11 #include "GrDrawState.h" | 11 #include "GrDrawState.h" |
12 #include "GrGLContext.h" | 12 #include "GrGLContext.h" |
13 #include "GrGLIRect.h" | 13 #include "GrGLIRect.h" |
14 #include "GrGLIndexBuffer.h" | 14 #include "GrGLIndexBuffer.h" |
15 #include "GrGLPathRendering.h" | 15 #include "GrGLPathRendering.h" |
16 #include "GrGLProgram.h" | 16 #include "GrGLProgram.h" |
17 #include "GrGLStencilBuffer.h" | 17 #include "GrGLStencilBuffer.h" |
18 #include "GrGLTexture.h" | 18 #include "GrGLTexture.h" |
19 #include "GrGLVertexArray.h" | 19 #include "GrGLVertexArray.h" |
20 #include "GrGLVertexBuffer.h" | 20 #include "GrGLVertexBuffer.h" |
21 #include "GrGpu.h" | 21 #include "GrGpu.h" |
| 22 #include "GrOptDrawState.h" |
22 #include "SkTypes.h" | 23 #include "SkTypes.h" |
23 | 24 |
24 #ifdef SK_DEVELOPER | 25 #ifdef SK_DEVELOPER |
25 #define PROGRAM_CACHE_STATS | 26 #define PROGRAM_CACHE_STATS |
26 #endif | 27 #endif |
27 | 28 |
28 class GrGpuGL : public GrGpu { | 29 class GrGpuGL : public GrGpu { |
29 public: | 30 public: |
30 GrGpuGL(const GrGLContext& ctx, GrContext* context); | 31 GrGpuGL(const GrGLContext& ctx, GrContext* context); |
31 virtual ~GrGpuGL(); | 32 virtual ~GrGpuGL(); |
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98 virtual bool onCopySurface(GrSurface* dst, | 99 virtual bool onCopySurface(GrSurface* dst, |
99 GrSurface* src, | 100 GrSurface* src, |
100 const SkIRect& srcRect, | 101 const SkIRect& srcRect, |
101 const SkIPoint& dstPoint) SK_OVERRIDE; | 102 const SkIPoint& dstPoint) SK_OVERRIDE; |
102 | 103 |
103 virtual bool onCanCopySurface(GrSurface* dst, | 104 virtual bool onCanCopySurface(GrSurface* dst, |
104 GrSurface* src, | 105 GrSurface* src, |
105 const SkIRect& srcRect, | 106 const SkIRect& srcRect, |
106 const SkIPoint& dstPoint) SK_OVERRIDE; | 107 const SkIPoint& dstPoint) SK_OVERRIDE; |
107 | 108 |
| 109 virtual void buildProgramDesc(const GrOptDrawState*, |
| 110 const GrProgramDesc::DescInfo&, |
| 111 GrGpu::DrawType, |
| 112 const GrDeviceCoordTexture* dstCopy, |
| 113 GrProgramDesc*) SK_OVERRIDE; |
| 114 |
108 private: | 115 private: |
109 // GrGpu overrides | 116 // GrGpu overrides |
110 virtual void onResetContext(uint32_t resetBits) SK_OVERRIDE; | 117 virtual void onResetContext(uint32_t resetBits) SK_OVERRIDE; |
111 | 118 |
112 virtual GrTexture* onCreateTexture(const GrTextureDesc& desc, | 119 virtual GrTexture* onCreateTexture(const GrTextureDesc& desc, |
113 const void* srcData, | 120 const void* srcData, |
114 size_t rowBytes) SK_OVERRIDE; | 121 size_t rowBytes) SK_OVERRIDE; |
115 virtual GrTexture* onCreateCompressedTexture(const GrTextureDesc& desc, | 122 virtual GrTexture* onCreateCompressedTexture(const GrTextureDesc& desc, |
116 const void* srcData) SK_OVERRID
E; | 123 const void* srcData) SK_OVERRID
E; |
117 virtual GrVertexBuffer* onCreateVertexBuffer(size_t size, bool dynamic) SK_O
VERRIDE; | 124 virtual GrVertexBuffer* onCreateVertexBuffer(size_t size, bool dynamic) SK_O
VERRIDE; |
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172 bool hasExtension(const char* ext) const { return fGLContext.hasExtension(ex
t); } | 179 bool hasExtension(const char* ext) const { return fGLContext.hasExtension(ex
t); } |
173 | 180 |
174 static bool BlendCoeffReferencesConstant(GrBlendCoeff coeff); | 181 static bool BlendCoeffReferencesConstant(GrBlendCoeff coeff); |
175 | 182 |
176 class ProgramCache : public ::SkNoncopyable { | 183 class ProgramCache : public ::SkNoncopyable { |
177 public: | 184 public: |
178 ProgramCache(GrGpuGL* gpu); | 185 ProgramCache(GrGpuGL* gpu); |
179 ~ProgramCache(); | 186 ~ProgramCache(); |
180 | 187 |
181 void abandon(); | 188 void abandon(); |
182 GrGLProgram* getProgram(const GrOptDrawState&, | 189 GrGLProgram* getProgram(const GrOptDrawState&, DrawType); |
183 const GrGLProgramDesc&, | |
184 DrawType); | |
185 | 190 |
186 private: | 191 private: |
187 enum { | 192 enum { |
188 // We may actually have kMaxEntries+1 shaders in the GL context beca
use we create a new | 193 // We may actually have kMaxEntries+1 shaders in the GL context beca
use we create a new |
189 // shader before evicting from the cache. | 194 // shader before evicting from the cache. |
190 kMaxEntries = 128, | 195 kMaxEntries = 128, |
191 kHashBits = 6, | 196 kHashBits = 6, |
192 }; | 197 }; |
193 | 198 |
194 struct Entry; | 199 struct Entry; |
195 | 200 |
196 struct ProgDescLess; | 201 struct ProgDescLess; |
197 | 202 |
198 // binary search for entry matching desc. returns index into fEntries th
at matches desc or ~ | 203 // binary search for entry matching desc. returns index into fEntries th
at matches desc or ~ |
199 // of the index of where it should be inserted. | 204 // of the index of where it should be inserted. |
200 int search(const GrGLProgramDesc& desc) const; | 205 int search(const GrProgramDesc& desc) const; |
201 | 206 |
202 // sorted array of all the entries | 207 // sorted array of all the entries |
203 Entry* fEntries[kMaxEntries]; | 208 Entry* fEntries[kMaxEntries]; |
204 // hash table based on lowest kHashBits bits of the program key. Used to
avoid binary | 209 // hash table based on lowest kHashBits bits of the program key. Used to
avoid binary |
205 // searching fEntries. | 210 // searching fEntries. |
206 Entry* fHashTable[1 << kHashBits]; | 211 Entry* fHashTable[1 << kHashBits]; |
207 | 212 |
208 int fCount; | 213 int fCount; |
209 unsigned int fCurrLRUStamp; | 214 unsigned int fCurrLRUStamp; |
210 GrGpuGL* fGpu; | 215 GrGpuGL* fGpu; |
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440 | 445 |
441 // we record what stencil format worked last time to hopefully exit early | 446 // we record what stencil format worked last time to hopefully exit early |
442 // from our loop that tries stencil formats and calls check fb status. | 447 // from our loop that tries stencil formats and calls check fb status. |
443 int fLastSuccessfulStencilFmtIdx; | 448 int fLastSuccessfulStencilFmtIdx; |
444 | 449 |
445 typedef GrGpu INHERITED; | 450 typedef GrGpu INHERITED; |
446 friend class GrGLPathRendering; // For accessing setTextureUnit. | 451 friend class GrGLPathRendering; // For accessing setTextureUnit. |
447 }; | 452 }; |
448 | 453 |
449 #endif | 454 #endif |
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