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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 "GrAARectRenderer.h" | 8 #include "GrAARectRenderer.h" |
9 #include "GrBatch.h" | 9 #include "GrBatch.h" |
10 #include "GrBatchTarget.h" | 10 #include "GrBatchTarget.h" |
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24 | 24 |
25 /////////////////////////////////////////////////////////////////////////////// | 25 /////////////////////////////////////////////////////////////////////////////// |
26 | 26 |
27 static void set_inset_fan(SkPoint* pts, size_t stride, | 27 static void set_inset_fan(SkPoint* pts, size_t stride, |
28 const SkRect& r, SkScalar dx, SkScalar dy) { | 28 const SkRect& r, SkScalar dx, SkScalar dy) { |
29 pts->setRectFan(r.fLeft + dx, r.fTop + dy, | 29 pts->setRectFan(r.fLeft + dx, r.fTop + dy, |
30 r.fRight - dx, r.fBottom - dy, stride); | 30 r.fRight - dx, r.fBottom - dy, stride); |
31 } | 31 } |
32 | 32 |
33 static const GrGeometryProcessor* create_fill_rect_gp(bool tweakAlphaForCoverage
, | 33 static const GrGeometryProcessor* create_fill_rect_gp(bool tweakAlphaForCoverage
, |
34 const SkMatrix& localMatri
x) { | 34 const SkMatrix& localMatri
x, |
| 35 bool usesLocalCoords, |
| 36 bool coverageIgnored) { |
35 uint32_t flags = GrDefaultGeoProcFactory::kColor_GPType; | 37 uint32_t flags = GrDefaultGeoProcFactory::kColor_GPType; |
36 const GrGeometryProcessor* gp; | 38 const GrGeometryProcessor* gp; |
37 if (tweakAlphaForCoverage) { | 39 if (tweakAlphaForCoverage) { |
38 gp = GrDefaultGeoProcFactory::Create(flags, GrColor_WHITE, SkMatrix::I()
, localMatrix); | 40 gp = GrDefaultGeoProcFactory::Create(flags, GrColor_WHITE, usesLocalCoor
ds, coverageIgnored, |
| 41 SkMatrix::I(), localMatrix); |
39 } else { | 42 } else { |
40 flags |= GrDefaultGeoProcFactory::kCoverage_GPType; | 43 flags |= GrDefaultGeoProcFactory::kCoverage_GPType; |
41 gp = GrDefaultGeoProcFactory::Create(flags, GrColor_WHITE, SkMatrix::I()
, localMatrix); | 44 gp = GrDefaultGeoProcFactory::Create(flags, GrColor_WHITE, usesLocalCoor
ds, coverageIgnored, |
| 45 SkMatrix::I(), localMatrix); |
42 } | 46 } |
43 return gp; | 47 return gp; |
44 } | 48 } |
45 | 49 |
46 GR_DECLARE_STATIC_UNIQUE_KEY(gAAFillRectIndexBufferKey); | 50 GR_DECLARE_STATIC_UNIQUE_KEY(gAAFillRectIndexBufferKey); |
47 | 51 |
48 class AAFillRectBatch : public GrBatch { | 52 class AAFillRectBatch : public GrBatch { |
49 public: | 53 public: |
50 struct Geometry { | 54 struct Geometry { |
51 GrColor fColor; | 55 GrColor fColor; |
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88 void generateGeometry(GrBatchTarget* batchTarget, const GrPipeline* pipeline
) override { | 92 void generateGeometry(GrBatchTarget* batchTarget, const GrPipeline* pipeline
) override { |
89 bool canTweakAlphaForCoverage = this->canTweakAlphaForCoverage(); | 93 bool canTweakAlphaForCoverage = this->canTweakAlphaForCoverage(); |
90 | 94 |
91 SkMatrix localMatrix; | 95 SkMatrix localMatrix; |
92 if (this->usesLocalCoords() && !this->viewMatrix().invert(&localMatrix))
{ | 96 if (this->usesLocalCoords() && !this->viewMatrix().invert(&localMatrix))
{ |
93 SkDebugf("Cannot invert\n"); | 97 SkDebugf("Cannot invert\n"); |
94 return; | 98 return; |
95 } | 99 } |
96 | 100 |
97 SkAutoTUnref<const GrGeometryProcessor> gp(create_fill_rect_gp(canTweakA
lphaForCoverage, | 101 SkAutoTUnref<const GrGeometryProcessor> gp(create_fill_rect_gp(canTweakA
lphaForCoverage, |
98 localMatr
ix)); | 102 localMatr
ix, |
| 103 this->use
sLocalCoords(), |
| 104 this->cov
erageIgnored())); |
99 | 105 |
100 batchTarget->initDraw(gp, pipeline); | 106 batchTarget->initDraw(gp, pipeline); |
101 | 107 |
102 // TODO this is hacky, but the only way we have to initialize the GP is
to use the | |
103 // GrPipelineInfo struct so we can generate the correct shader. Once we
have GrBatch | |
104 // everywhere we can remove this nastiness | |
105 GrPipelineInfo init; | |
106 init.fColorIgnored = fBatch.fColorIgnored; | |
107 init.fOverrideColor = GrColor_ILLEGAL; | |
108 init.fCoverageIgnored = fBatch.fCoverageIgnored; | |
109 init.fUsesLocalCoords = this->usesLocalCoords(); | |
110 gp->initBatchTracker(batchTarget->currentBatchTracker(), init); | |
111 | |
112 size_t vertexStride = gp->getVertexStride(); | 108 size_t vertexStride = gp->getVertexStride(); |
113 SkASSERT(canTweakAlphaForCoverage ? | 109 SkASSERT(canTweakAlphaForCoverage ? |
114 vertexStride == sizeof(GrDefaultGeoProcFactory::PositionColorAt
tr) : | 110 vertexStride == sizeof(GrDefaultGeoProcFactory::PositionColorAt
tr) : |
115 vertexStride == sizeof(GrDefaultGeoProcFactory::PositionColorCo
verageAttr)); | 111 vertexStride == sizeof(GrDefaultGeoProcFactory::PositionColorCo
verageAttr)); |
116 int instanceCount = fGeoData.count(); | 112 int instanceCount = fGeoData.count(); |
117 | 113 |
118 SkAutoTUnref<const GrIndexBuffer> indexBuffer(this->getIndexBuffer( | 114 SkAutoTUnref<const GrIndexBuffer> indexBuffer(this->getIndexBuffer( |
119 batchTarget->resourceProvider())); | 115 batchTarget->resourceProvider())); |
120 InstancedHelper helper; | 116 InstancedHelper helper; |
121 void* vertices = helper.init(batchTarget, kTriangles_GrPrimitiveType, ve
rtexStride, | 117 void* vertices = helper.init(batchTarget, kTriangles_GrPrimitiveType, ve
rtexStride, |
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169 return resourceProvider->refOrCreateInstancedIndexBuffer(gFillAARectIdx, | 165 return resourceProvider->refOrCreateInstancedIndexBuffer(gFillAARectIdx, |
170 kIndicesPerAAFillRect, kNumAAFillRectsInIndexBuffer, kVertsPerAAFill
Rect, | 166 kIndicesPerAAFillRect, kNumAAFillRectsInIndexBuffer, kVertsPerAAFill
Rect, |
171 gAAFillRectIndexBufferKey); | 167 gAAFillRectIndexBufferKey); |
172 } | 168 } |
173 | 169 |
174 GrColor color() const { return fBatch.fColor; } | 170 GrColor color() const { return fBatch.fColor; } |
175 bool usesLocalCoords() const { return fBatch.fUsesLocalCoords; } | 171 bool usesLocalCoords() const { return fBatch.fUsesLocalCoords; } |
176 bool canTweakAlphaForCoverage() const { return fBatch.fCanTweakAlphaForCover
age; } | 172 bool canTweakAlphaForCoverage() const { return fBatch.fCanTweakAlphaForCover
age; } |
177 bool colorIgnored() const { return fBatch.fColorIgnored; } | 173 bool colorIgnored() const { return fBatch.fColorIgnored; } |
178 const SkMatrix& viewMatrix() const { return fGeoData[0].fViewMatrix; } | 174 const SkMatrix& viewMatrix() const { return fGeoData[0].fViewMatrix; } |
| 175 bool coverageIgnored() const { return fBatch.fCoverageIgnored; } |
179 | 176 |
180 bool onCombineIfPossible(GrBatch* t) override { | 177 bool onCombineIfPossible(GrBatch* t) override { |
181 AAFillRectBatch* that = t->cast<AAFillRectBatch>(); | 178 AAFillRectBatch* that = t->cast<AAFillRectBatch>(); |
182 | 179 |
183 SkASSERT(this->usesLocalCoords() == that->usesLocalCoords()); | 180 SkASSERT(this->usesLocalCoords() == that->usesLocalCoords()); |
184 // We apply the viewmatrix to the rect points on the cpu. However, if t
he pipeline uses | 181 // We apply the viewmatrix to the rect points on the cpu. However, if t
he pipeline uses |
185 // local coords then we won't be able to batch. We could actually uploa
d the viewmatrix | 182 // local coords then we won't be able to batch. We could actually uploa
d the viewmatrix |
186 // using vertex attributes in these cases, but haven't investigated that | 183 // using vertex attributes in these cases, but haven't investigated that |
187 if (this->usesLocalCoords() && !this->viewMatrix().cheapEqualTo(that->vi
ewMatrix())) { | 184 if (this->usesLocalCoords() && !this->viewMatrix().cheapEqualTo(that->vi
ewMatrix())) { |
188 return false; | 185 return false; |
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446 | 443 |
447 // Local matrix is ignored if we don't have local coords. If we have lo
calcoords we only | 444 // Local matrix is ignored if we don't have local coords. If we have lo
calcoords we only |
448 // batch with identical view matrices | 445 // batch with identical view matrices |
449 SkMatrix localMatrix; | 446 SkMatrix localMatrix; |
450 if (this->usesLocalCoords() && !this->viewMatrix().invert(&localMatrix))
{ | 447 if (this->usesLocalCoords() && !this->viewMatrix().invert(&localMatrix))
{ |
451 SkDebugf("Cannot invert\n"); | 448 SkDebugf("Cannot invert\n"); |
452 return; | 449 return; |
453 } | 450 } |
454 | 451 |
455 SkAutoTUnref<const GrGeometryProcessor> gp(create_fill_rect_gp(canTweakA
lphaForCoverage, | 452 SkAutoTUnref<const GrGeometryProcessor> gp(create_fill_rect_gp(canTweakA
lphaForCoverage, |
456 localMatr
ix)); | 453 localMatr
ix, |
| 454 this->use
sLocalCoords(), |
| 455 this->cov
erageIgnored())); |
457 | 456 |
458 batchTarget->initDraw(gp, pipeline); | 457 batchTarget->initDraw(gp, pipeline); |
459 | 458 |
460 // TODO this is hacky, but the only way we have to initialize the GP is
to use the | |
461 // GrPipelineInfo struct so we can generate the correct shader. Once we
have GrBatch | |
462 // everywhere we can remove this nastiness | |
463 GrPipelineInfo init; | |
464 init.fColorIgnored = fBatch.fColorIgnored; | |
465 init.fOverrideColor = GrColor_ILLEGAL; | |
466 init.fCoverageIgnored = fBatch.fCoverageIgnored; | |
467 init.fUsesLocalCoords = this->usesLocalCoords(); | |
468 gp->initBatchTracker(batchTarget->currentBatchTracker(), init); | |
469 | |
470 size_t vertexStride = gp->getVertexStride(); | 459 size_t vertexStride = gp->getVertexStride(); |
471 | 460 |
472 SkASSERT(canTweakAlphaForCoverage ? | 461 SkASSERT(canTweakAlphaForCoverage ? |
473 vertexStride == sizeof(GrDefaultGeoProcFactory::PositionColorAt
tr) : | 462 vertexStride == sizeof(GrDefaultGeoProcFactory::PositionColorAt
tr) : |
474 vertexStride == sizeof(GrDefaultGeoProcFactory::PositionColorCo
verageAttr)); | 463 vertexStride == sizeof(GrDefaultGeoProcFactory::PositionColorCo
verageAttr)); |
475 int innerVertexNum = 4; | 464 int innerVertexNum = 4; |
476 int outerVertexNum = this->miterStroke() ? 4 : 8; | 465 int outerVertexNum = this->miterStroke() ? 4 : 8; |
477 int verticesPerInstance = (outerVertexNum + innerVertexNum) * 2; | 466 int verticesPerInstance = (outerVertexNum + innerVertexNum) * 2; |
478 int indicesPerInstance = this->miterStroke() ? kMiterIndexCnt : kBevelIn
dexCnt; | 467 int indicesPerInstance = this->miterStroke() ? kMiterIndexCnt : kBevelIn
dexCnt; |
479 int instanceCount = fGeoData.count(); | 468 int instanceCount = fGeoData.count(); |
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619 gBevelIndexBufferKey); | 608 gBevelIndexBufferKey); |
620 } | 609 } |
621 } | 610 } |
622 | 611 |
623 GrColor color() const { return fBatch.fColor; } | 612 GrColor color() const { return fBatch.fColor; } |
624 bool usesLocalCoords() const { return fBatch.fUsesLocalCoords; } | 613 bool usesLocalCoords() const { return fBatch.fUsesLocalCoords; } |
625 bool canTweakAlphaForCoverage() const { return fBatch.fCanTweakAlphaForCover
age; } | 614 bool canTweakAlphaForCoverage() const { return fBatch.fCanTweakAlphaForCover
age; } |
626 bool colorIgnored() const { return fBatch.fColorIgnored; } | 615 bool colorIgnored() const { return fBatch.fColorIgnored; } |
627 const SkMatrix& viewMatrix() const { return fBatch.fViewMatrix; } | 616 const SkMatrix& viewMatrix() const { return fBatch.fViewMatrix; } |
628 bool miterStroke() const { return fBatch.fMiterStroke; } | 617 bool miterStroke() const { return fBatch.fMiterStroke; } |
| 618 bool coverageIgnored() const { return fBatch.fCoverageIgnored; } |
629 | 619 |
630 bool onCombineIfPossible(GrBatch* t) override { | 620 bool onCombineIfPossible(GrBatch* t) override { |
631 AAStrokeRectBatch* that = t->cast<AAStrokeRectBatch>(); | 621 AAStrokeRectBatch* that = t->cast<AAStrokeRectBatch>(); |
632 | 622 |
633 // TODO batch across miterstroke changes | 623 // TODO batch across miterstroke changes |
634 if (this->miterStroke() != that->miterStroke()) { | 624 if (this->miterStroke() != that->miterStroke()) { |
635 return false; | 625 return false; |
636 } | 626 } |
637 | 627 |
638 // We apply the viewmatrix to the rect points on the cpu. However, if t
he pipeline uses | 628 // We apply the viewmatrix to the rect points on the cpu. However, if t
he pipeline uses |
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853 geo.fColor = GrRandomColor(random); | 843 geo.fColor = GrRandomColor(random); |
854 geo.fDevOutside = outside; | 844 geo.fDevOutside = outside; |
855 geo.fDevOutsideAssist = outsideAssist; | 845 geo.fDevOutsideAssist = outsideAssist; |
856 geo.fDevInside = inside; | 846 geo.fDevInside = inside; |
857 geo.fMiterStroke = miterStroke; | 847 geo.fMiterStroke = miterStroke; |
858 | 848 |
859 return AAStrokeRectBatch::Create(geo, GrTest::TestMatrix(random)); | 849 return AAStrokeRectBatch::Create(geo, GrTest::TestMatrix(random)); |
860 } | 850 } |
861 | 851 |
862 #endif | 852 #endif |
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