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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 GrGpu_DEFINED | 8 #ifndef GrGpu_DEFINED |
| 9 #define GrGpu_DEFINED | 9 #define GrGpu_DEFINED |
| 10 | 10 |
| 11 #include "GrDrawTarget.h" | 11 #include "GrDrawTarget.h" |
| 12 #include "GrClipMaskManager.h" | |
| 13 #include "GrPathRendering.h" | 12 #include "GrPathRendering.h" |
| 14 #include "GrProgramDesc.h" | 13 #include "GrProgramDesc.h" |
| 15 #include "SkPath.h" | 14 #include "SkPath.h" |
| 16 | 15 |
| 17 class GrContext; | 16 class GrContext; |
| 18 class GrIndexBufferAllocPool; | 17 class GrIndexBufferAllocPool; |
| 19 class GrPath; | 18 class GrPath; |
| 20 class GrPathRange; | 19 class GrPathRange; |
| 21 class GrPathRenderer; | 20 class GrPathRenderer; |
| 22 class GrPathRendererChain; | 21 class GrPathRendererChain; |
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| 292 | 291 |
| 293 // This timestamp is always older than the current timestamp | 292 // This timestamp is always older than the current timestamp |
| 294 static const ResetTimestamp kExpiredTimestamp = 0; | 293 static const ResetTimestamp kExpiredTimestamp = 0; |
| 295 // Returns a timestamp based on the number of times the context was reset. | 294 // Returns a timestamp based on the number of times the context was reset. |
| 296 // This timestamp can be used to lazily detect when cached 3D context state | 295 // This timestamp can be used to lazily detect when cached 3D context state |
| 297 // is dirty. | 296 // is dirty. |
| 298 ResetTimestamp getResetTimestamp() const { | 297 ResetTimestamp getResetTimestamp() const { |
| 299 return fResetTimestamp; | 298 return fResetTimestamp; |
| 300 } | 299 } |
| 301 | 300 |
| 302 enum PrivateDrawStateStateBits { | |
| 303 kFirstBit = (GrDrawState::kLastPublicStateBit << 1), | |
| 304 | |
| 305 kModifyStencilClip_StateBit = kFirstBit, // allows draws to modify | |
| 306 // stencil bits used for | |
| 307 // clipping. | |
| 308 }; | |
| 309 | |
| 310 void getPathStencilSettingsForFillType(SkPath::FillType fill, GrStencilSetti
ngs* outStencilSettings); | |
| 311 | |
| 312 enum DrawType { | 301 enum DrawType { |
| 313 kDrawPoints_DrawType, | 302 kDrawPoints_DrawType, |
| 314 kDrawLines_DrawType, | 303 kDrawLines_DrawType, |
| 315 kDrawTriangles_DrawType, | 304 kDrawTriangles_DrawType, |
| 316 kStencilPath_DrawType, | 305 kStencilPath_DrawType, |
| 317 kDrawPath_DrawType, | 306 kDrawPath_DrawType, |
| 318 kDrawPaths_DrawType, | 307 kDrawPaths_DrawType, |
| 319 }; | 308 }; |
| 320 | 309 |
| 321 static bool IsPathRenderingDrawType(DrawType type) { | 310 static bool IsPathRenderingDrawType(DrawType type) { |
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| 358 // stencil funcs supported by GPUs. | 347 // stencil funcs supported by GPUs. |
| 359 static GrStencilFunc ConvertStencilFunc(bool stencilInClip, | 348 static GrStencilFunc ConvertStencilFunc(bool stencilInClip, |
| 360 GrStencilFunc func); | 349 GrStencilFunc func); |
| 361 static void ConvertStencilFuncAndMask(GrStencilFunc func, | 350 static void ConvertStencilFuncAndMask(GrStencilFunc func, |
| 362 bool clipInStencil, | 351 bool clipInStencil, |
| 363 unsigned int clipBit, | 352 unsigned int clipBit, |
| 364 unsigned int userBits, | 353 unsigned int userBits, |
| 365 unsigned int* ref, | 354 unsigned int* ref, |
| 366 unsigned int* mask); | 355 unsigned int* mask); |
| 367 | 356 |
| 368 GrClipMaskManager fClipMaskManager; | |
| 369 | |
| 370 GrContext::GPUStats fGPUStats; | 357 GrContext::GPUStats fGPUStats; |
| 371 | 358 |
| 372 struct GeometryPoolState { | 359 struct GeometryPoolState { |
| 373 const GrVertexBuffer* fPoolVertexBuffer; | 360 const GrVertexBuffer* fPoolVertexBuffer; |
| 374 int fPoolStartVertex; | 361 int fPoolStartVertex; |
| 375 | 362 |
| 376 const GrIndexBuffer* fPoolIndexBuffer; | 363 const GrIndexBuffer* fPoolIndexBuffer; |
| 377 int fPoolStartIndex; | 364 int fPoolStartIndex; |
| 378 }; | 365 }; |
| 379 const GeometryPoolState& getGeomPoolState() { | 366 const GeometryPoolState& getGeomPoolState() { |
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| 510 // counts number of uses of vertex/index pool in the geometry stack | 497 // counts number of uses of vertex/index pool in the geometry stack |
| 511 int fVertexP
oolUseCnt; | 498 int fVertexP
oolUseCnt; |
| 512 int fIndexPo
olUseCnt; | 499 int fIndexPo
olUseCnt; |
| 513 // these are mutable so they can be created on-demand | 500 // these are mutable so they can be created on-demand |
| 514 mutable GrIndexBuffer* fQuadInd
exBuffer; | 501 mutable GrIndexBuffer* fQuadInd
exBuffer; |
| 515 | 502 |
| 516 typedef GrClipTarget INHERITED; | 503 typedef GrClipTarget INHERITED; |
| 517 }; | 504 }; |
| 518 | 505 |
| 519 #endif | 506 #endif |
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