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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 GrGLGpu_DEFINED | 8 #ifndef GrGLGpu_DEFINED |
9 #define GrGLGpu_DEFINED | 9 #define GrGLGpu_DEFINED |
10 | 10 |
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165 int width, int height, | 165 int width, int height, |
166 GrPixelConfig, | 166 GrPixelConfig, |
167 void* buffer, | 167 void* buffer, |
168 size_t rowBytes) override; | 168 size_t rowBytes) override; |
169 | 169 |
170 bool onWritePixels(GrSurface*, | 170 bool onWritePixels(GrSurface*, |
171 int left, int top, int width, int height, | 171 int left, int top, int width, int height, |
172 GrPixelConfig config, const void* buffer, | 172 GrPixelConfig config, const void* buffer, |
173 size_t rowBytes) override; | 173 size_t rowBytes) override; |
174 | 174 |
| 175 bool onTransferPixels(GrSurface*, |
| 176 int left, int top, int width, int height, |
| 177 GrPixelConfig config, GrTransferBuffer* buffer, |
| 178 size_t offset, size_t rowBytes) override; |
| 179 |
175 void onResolveRenderTarget(GrRenderTarget* target) override; | 180 void onResolveRenderTarget(GrRenderTarget* target) override; |
176 | 181 |
177 void onDraw(const DrawArgs&, const GrNonInstancedVertices&) override; | 182 void onDraw(const DrawArgs&, const GrNonInstancedVertices&) override; |
178 | 183 |
179 bool onCopySurface(GrSurface* dst, | 184 bool onCopySurface(GrSurface* dst, |
180 GrSurface* src, | 185 GrSurface* src, |
181 const SkIRect& srcRect, | 186 const SkIRect& srcRect, |
182 const SkIPoint& dstPoint) override; | 187 const SkIPoint& dstPoint) override; |
183 | 188 |
184 // binds texture unit in GL | 189 // binds texture unit in GL |
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277 void setScratchTextureUnit(); | 282 void setScratchTextureUnit(); |
278 | 283 |
279 // bounds is region that may be modified and therefore has to be resolved. | 284 // bounds is region that may be modified and therefore has to be resolved. |
280 // nullptr means whole target. Can be an empty rect. | 285 // nullptr means whole target. Can be an empty rect. |
281 void flushRenderTarget(GrGLRenderTarget*, const SkIRect* bounds); | 286 void flushRenderTarget(GrGLRenderTarget*, const SkIRect* bounds); |
282 | 287 |
283 void flushStencil(const GrStencilSettings&); | 288 void flushStencil(const GrStencilSettings&); |
284 void flushHWAAState(GrRenderTarget* rt, bool useHWAA); | 289 void flushHWAAState(GrRenderTarget* rt, bool useHWAA); |
285 | 290 |
286 // helper for onCreateTexture and writeTexturePixels | 291 // helper for onCreateTexture and writeTexturePixels |
| 292 enum UploadType { |
| 293 kNewTexture_UploadType, // we are creating a new texture |
| 294 kWrite_UploadType, // we are using TexSubImage2D to copy data to
an existing texture |
| 295 kTransfer_UploadType, // we are using a transfer buffer to copy dat
a |
| 296 }; |
287 bool uploadTexData(const GrSurfaceDesc& desc, | 297 bool uploadTexData(const GrSurfaceDesc& desc, |
288 GrGLenum target, | 298 GrGLenum target, |
289 bool isNewTexture, | 299 UploadType uploadType, |
290 int left, int top, int width, int height, | 300 int left, int top, int width, int height, |
291 GrPixelConfig dataConfig, | 301 GrPixelConfig dataConfig, |
292 const void* data, | 302 const void* data, |
293 size_t rowBytes); | 303 size_t rowBytes); |
294 | 304 |
295 // helper for onCreateCompressedTexture. If width and height are | 305 // helper for onCreateCompressedTexture. If width and height are |
296 // set to -1, then this function will use desc.fWidth and desc.fHeight | 306 // set to -1, then this function will use desc.fWidth and desc.fHeight |
297 // for the size of the data. The isNewTexture flag should be set to true | 307 // for the size of the data. The isNewTexture flag should be set to true |
298 // whenever a new texture needs to be created. Otherwise, we assume that | 308 // whenever a new texture needs to be created. Otherwise, we assume that |
299 // the texture is already in GPU memory and that it's going to be updated | 309 // the texture is already in GPU memory and that it's going to be updated |
300 // with new data. | 310 // with new data. |
301 bool uploadCompressedTexData(const GrSurfaceDesc& desc, | 311 bool uploadCompressedTexData(const GrSurfaceDesc& desc, |
302 GrGLenum target, | 312 GrGLenum target, |
303 const void* data, | 313 const void* data, |
304 bool isNewTexture = true, | 314 UploadType uploadType = kNewTexture_UploadType, |
305 int left = 0, int top = 0, | 315 int left = 0, int top = 0, |
306 int width = -1, int height = -1); | 316 int width = -1, int height = -1); |
307 | 317 |
308 bool createRenderTargetObjects(const GrSurfaceDesc&, GrGpuResource::LifeCycl
e lifeCycle, | 318 bool createRenderTargetObjects(const GrSurfaceDesc&, GrGpuResource::LifeCycl
e lifeCycle, |
309 const GrGLTextureInfo& texInfo, GrGLRenderTar
get::IDDesc*); | 319 const GrGLTextureInfo& texInfo, GrGLRenderTar
get::IDDesc*); |
310 | 320 |
311 enum TempFBOTarget { | 321 enum TempFBOTarget { |
312 kSrc_TempFBOTarget, | 322 kSrc_TempFBOTarget, |
313 kDst_TempFBOTarget | 323 kDst_TempFBOTarget |
314 }; | 324 }; |
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531 SkASSERT(target == GR_GL_TEXTURE_EXTERNAL); | 541 SkASSERT(target == GR_GL_TEXTURE_EXTERNAL); |
532 return 1; | 542 return 1; |
533 } | 543 } |
534 } | 544 } |
535 | 545 |
536 typedef GrGpu INHERITED; | 546 typedef GrGpu INHERITED; |
537 friend class GrGLPathRendering; // For accessing setTextureUnit. | 547 friend class GrGLPathRendering; // For accessing setTextureUnit. |
538 }; | 548 }; |
539 | 549 |
540 #endif | 550 #endif |
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