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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 GrDrawState_DEFINED | 8 #ifndef GrDrawState_DEFINED |
9 #define GrDrawState_DEFINED | 9 #define GrDrawState_DEFINED |
10 | 10 |
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296 SkMatrix inverse; | 296 SkMatrix inverse; |
297 if (fViewMatrix.invert(&inverse)) { | 297 if (fViewMatrix.invert(&inverse)) { |
298 if (matrix) { | 298 if (matrix) { |
299 *matrix = inverse; | 299 *matrix = inverse; |
300 } | 300 } |
301 return true; | 301 return true; |
302 } | 302 } |
303 return false; | 303 return false; |
304 } | 304 } |
305 | 305 |
306 /** | |
307 * Sets the view matrix to identity and updates any installed effects to com
pensate for the | |
308 * coord system change. | |
309 */ | |
310 bool setIdentityViewMatrix(); | |
311 | |
312 //////////////////////////////////////////////////////////////////////////// | 306 //////////////////////////////////////////////////////////////////////////// |
313 | 307 |
314 /** | 308 /** |
315 * Preconcats the current view matrix and restores the previous view matrix
in the destructor. | 309 * Preconcats the current view matrix and restores the previous view matrix
in the destructor. |
316 * Effect matrices are automatically adjusted to compensate and adjusted bac
k in the destructor. | 310 * Effect matrices are automatically adjusted to compensate and adjusted bac
k in the destructor. |
317 */ | 311 */ |
318 class AutoViewMatrixRestore : public ::SkNoncopyable { | 312 class AutoViewMatrixRestore : public ::SkNoncopyable { |
319 public: | 313 public: |
320 AutoViewMatrixRestore() : fDrawState(NULL) {} | 314 AutoViewMatrixRestore() : fDrawState(NULL) {} |
321 | 315 |
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547 mutable bool fCoverageProcInfoValid; | 541 mutable bool fCoverageProcInfoValid; |
548 mutable GrColor fColorCache; | 542 mutable GrColor fColorCache; |
549 mutable GrColor fCoverageCache; | 543 mutable GrColor fCoverageCache; |
550 mutable const GrPrimitiveProcessor* fColorPrimProc; | 544 mutable const GrPrimitiveProcessor* fColorPrimProc; |
551 mutable const GrPrimitiveProcessor* fCoveragePrimProc; | 545 mutable const GrPrimitiveProcessor* fCoveragePrimProc; |
552 | 546 |
553 friend class GrOptDrawState; | 547 friend class GrOptDrawState; |
554 }; | 548 }; |
555 | 549 |
556 #endif | 550 #endif |
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