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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 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 #include "GrSWMaskHelper.h" | 8 #include "GrSWMaskHelper.h" |
9 | 9 |
10 #include "GrDrawState.h" | 10 #include "GrDrawState.h" |
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340 return NULL; | 340 return NULL; |
341 } | 341 } |
342 | 342 |
343 helper.toTexture(texture); | 343 helper.toTexture(texture); |
344 | 344 |
345 return texture; | 345 return texture; |
346 } | 346 } |
347 | 347 |
348 void GrSWMaskHelper::DrawToTargetWithPathMask(GrTexture* texture, | 348 void GrSWMaskHelper::DrawToTargetWithPathMask(GrTexture* texture, |
349 GrDrawTarget* target, | 349 GrDrawTarget* target, |
| 350 GrDrawState* drawState, |
350 const SkIRect& rect) { | 351 const SkIRect& rect) { |
351 GrDrawState* drawState = target->drawState(); | |
352 | |
353 GrDrawState::AutoViewMatrixRestore avmr; | 352 GrDrawState::AutoViewMatrixRestore avmr; |
354 if (!avmr.setIdentity(drawState)) { | 353 if (!avmr.setIdentity(drawState)) { |
355 return; | 354 return; |
356 } | 355 } |
357 GrDrawState::AutoRestoreEffects are(drawState); | 356 GrDrawState::AutoRestoreEffects are(drawState); |
358 | 357 |
359 SkRect dstRect = SkRect::MakeLTRB(SK_Scalar1 * rect.fLeft, | 358 SkRect dstRect = SkRect::MakeLTRB(SK_Scalar1 * rect.fLeft, |
360 SK_Scalar1 * rect.fTop, | 359 SK_Scalar1 * rect.fTop, |
361 SK_Scalar1 * rect.fRight, | 360 SK_Scalar1 * rect.fRight, |
362 SK_Scalar1 * rect.fBottom); | 361 SK_Scalar1 * rect.fBottom); |
363 | 362 |
364 // We want to use device coords to compute the texture coordinates. We set o
ur matrix to be | 363 // We want to use device coords to compute the texture coordinates. We set o
ur matrix to be |
365 // equal to the view matrix followed by a translation so that the top-left o
f the device bounds | 364 // equal to the view matrix followed by a translation so that the top-left o
f the device bounds |
366 // maps to 0,0, and then a scaling matrix to normalized coords. We apply thi
s matrix to the | 365 // maps to 0,0, and then a scaling matrix to normalized coords. We apply thi
s matrix to the |
367 // vertex positions rather than local coords. | 366 // vertex positions rather than local coords. |
368 SkMatrix maskMatrix; | 367 SkMatrix maskMatrix; |
369 maskMatrix.setIDiv(texture->width(), texture->height()); | 368 maskMatrix.setIDiv(texture->width(), texture->height()); |
370 maskMatrix.preTranslate(SkIntToScalar(-rect.fLeft), SkIntToScalar(-rect.fTop
)); | 369 maskMatrix.preTranslate(SkIntToScalar(-rect.fLeft), SkIntToScalar(-rect.fTop
)); |
371 maskMatrix.preConcat(drawState->getViewMatrix()); | 370 maskMatrix.preConcat(drawState->getViewMatrix()); |
372 | 371 |
373 drawState->addCoverageProcessor( | 372 drawState->addCoverageProcessor( |
374 GrSimpleTextureEffect::Create(texture, | 373 GrSimpleTextureEffect::Create(texture, |
375 maskMatrix, | 374 maskMatrix, |
376 GrTextureParams::kNone_Fi
lterMode, | 375 GrTextureParams::kNone_Fi
lterMode, |
377 kPosition_GrCoordSet))->u
nref(); | 376 kPosition_GrCoordSet))->u
nref(); |
378 | 377 |
379 target->drawSimpleRect(dstRect); | 378 target->drawSimpleRect(drawState, dstRect); |
380 } | 379 } |
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