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| 1 /* | 1 /* |
| 2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 "GrRRectEffect.h" | 8 #include "GrRRectEffect.h" |
| 9 | 9 |
| 10 #include "gl/GrGLEffect.h" | 10 #include "gl/GrGLEffect.h" |
| (...skipping 351 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 362 rect.fBottom -= radius; | 362 rect.fBottom -= radius; |
| 363 break; | 363 break; |
| 364 case CircularRRectEffect::kBottom_CornerFlags: | 364 case CircularRRectEffect::kBottom_CornerFlags: |
| 365 radius = rrect.radii(SkRRect::kLowerLeft_Corner).fX; | 365 radius = rrect.radii(SkRRect::kLowerLeft_Corner).fX; |
| 366 rect.fLeft += radius; | 366 rect.fLeft += radius; |
| 367 rect.fTop -= 0.5f; | 367 rect.fTop -= 0.5f; |
| 368 rect.fRight -= radius; | 368 rect.fRight -= radius; |
| 369 rect.fBottom -= radius; | 369 rect.fBottom -= radius; |
| 370 break; | 370 break; |
| 371 default: | 371 default: |
| 372 GrCrash("Should have been one of the above cases."); | 372 SkFAIL("Should have been one of the above cases."); |
| 373 } | 373 } |
| 374 uman.set4f(fInnerRectUniform, rect.fLeft, rect.fTop, rect.fRight, rect.f
Bottom); | 374 uman.set4f(fInnerRectUniform, rect.fLeft, rect.fTop, rect.fRight, rect.f
Bottom); |
| 375 uman.set1f(fRadiusPlusHalfUniform, radius + 0.5f); | 375 uman.set1f(fRadiusPlusHalfUniform, radius + 0.5f); |
| 376 fPrevRRect = rrect; | 376 fPrevRRect = rrect; |
| 377 } | 377 } |
| 378 } | 378 } |
| 379 | 379 |
| 380 ////////////////////////////////////////////////////////////////////////////// | 380 ////////////////////////////////////////////////////////////////////////////// |
| 381 | 381 |
| 382 class GLEllipticalRRectEffect; | 382 class GLEllipticalRRectEffect; |
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| 559 &invRadiiLTRBSqdName); | 559 &invRadiiLTRBSqdName); |
| 560 builder->fsCodeAppend("\t\tvec2 dxy = max(max(dxy0, dxy1), 0.0);\n")
; | 560 builder->fsCodeAppend("\t\tvec2 dxy = max(max(dxy0, dxy1), 0.0);\n")
; |
| 561 // Z is the x/y offsets divided by squared radii. We only care about
the (at most) one | 561 // Z is the x/y offsets divided by squared radii. We only care about
the (at most) one |
| 562 // corner where both the x and y offsets are positive, hence the max
es. (The inverse | 562 // corner where both the x and y offsets are positive, hence the max
es. (The inverse |
| 563 // squared radii will always be positive.) | 563 // squared radii will always be positive.) |
| 564 builder->fsCodeAppendf("\t\tvec2 Z = max(max(dxy0 * %s.xy, dxy1 * %s
.zw), 0.0);\n", | 564 builder->fsCodeAppendf("\t\tvec2 Z = max(max(dxy0 * %s.xy, dxy1 * %s
.zw), 0.0);\n", |
| 565 invRadiiLTRBSqdName, invRadiiLTRBSqdName); | 565 invRadiiLTRBSqdName, invRadiiLTRBSqdName); |
| 566 break; | 566 break; |
| 567 } | 567 } |
| 568 default: | 568 default: |
| 569 GrCrash("RRect should always be simple or nine-patch."); | 569 SkFAIL("RRect should always be simple or nine-patch."); |
| 570 } | 570 } |
| 571 // implicit is the evaluation of (x/a)^2 + (y/b)^2 - 1. | 571 // implicit is the evaluation of (x/a)^2 + (y/b)^2 - 1. |
| 572 builder->fsCodeAppend("\t\tfloat implicit = dot(Z, dxy) - 1.0;\n"); | 572 builder->fsCodeAppend("\t\tfloat implicit = dot(Z, dxy) - 1.0;\n"); |
| 573 // grad_dot is the squared length of the gradient of the implicit. | 573 // grad_dot is the squared length of the gradient of the implicit. |
| 574 builder->fsCodeAppendf("\t\tfloat grad_dot = 4.0 * dot(Z, Z);\n"); | 574 builder->fsCodeAppendf("\t\tfloat grad_dot = 4.0 * dot(Z, Z);\n"); |
| 575 // avoid calling inversesqrt on zero. | 575 // avoid calling inversesqrt on zero. |
| 576 builder->fsCodeAppend("\t\tgrad_dot = max(grad_dot, 1.0e-4);\n"); | 576 builder->fsCodeAppend("\t\tgrad_dot = max(grad_dot, 1.0e-4);\n"); |
| 577 builder->fsCodeAppendf("\t\tfloat approx_dist = implicit * inversesqrt(grad_
dot);\n"); | 577 builder->fsCodeAppendf("\t\tfloat approx_dist = implicit * inversesqrt(grad_
dot);\n"); |
| 578 | 578 |
| 579 if (kFillAA_GrEffectEdgeType == erre.getEdgeType()) { | 579 if (kFillAA_GrEffectEdgeType == erre.getEdgeType()) { |
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| 616 rect.fTop += r0.fY; | 616 rect.fTop += r0.fY; |
| 617 rect.fRight -= r1.fX; | 617 rect.fRight -= r1.fX; |
| 618 rect.fBottom -= r1.fY; | 618 rect.fBottom -= r1.fY; |
| 619 uman.set4f(fInvRadiiSqdUniform, 1.f / (r0.fX * r0.fX), | 619 uman.set4f(fInvRadiiSqdUniform, 1.f / (r0.fX * r0.fX), |
| 620 1.f / (r0.fY * r0.fY), | 620 1.f / (r0.fY * r0.fY), |
| 621 1.f / (r1.fX * r1.fX), | 621 1.f / (r1.fX * r1.fX), |
| 622 1.f / (r1.fY * r1.fY)); | 622 1.f / (r1.fY * r1.fY)); |
| 623 break; | 623 break; |
| 624 } | 624 } |
| 625 default: | 625 default: |
| 626 GrCrash("RRect should always be simple or nine-patch."); | 626 SkFAIL("RRect should always be simple or nine-patch."); |
| 627 } | 627 } |
| 628 uman.set4f(fInnerRectUniform, rect.fLeft, rect.fTop, rect.fRight, rect.f
Bottom); | 628 uman.set4f(fInnerRectUniform, rect.fLeft, rect.fTop, rect.fRight, rect.f
Bottom); |
| 629 fPrevRRect = rrect; | 629 fPrevRRect = rrect; |
| 630 } | 630 } |
| 631 } | 631 } |
| 632 | 632 |
| 633 ////////////////////////////////////////////////////////////////////////////// | 633 ////////////////////////////////////////////////////////////////////////////// |
| 634 | 634 |
| 635 GrEffectRef* GrRRectEffect::Create(GrEffectEdgeType edgeType, const SkRRect& rre
ct) { | 635 GrEffectRef* GrRRectEffect::Create(GrEffectEdgeType edgeType, const SkRRect& rre
ct) { |
| 636 if (rrect.isRect()) { | 636 if (rrect.isRect()) { |
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| 721 if (rrect.isNinePatch()) { | 721 if (rrect.isNinePatch()) { |
| 722 return EllipticalRRectEffect::Create(edgeType, rrect); | 722 return EllipticalRRectEffect::Create(edgeType, rrect); |
| 723 } | 723 } |
| 724 return NULL; | 724 return NULL; |
| 725 } | 725 } |
| 726 } | 726 } |
| 727 } | 727 } |
| 728 | 728 |
| 729 return NULL; | 729 return NULL; |
| 730 } | 730 } |
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