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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2013 Google Inc. | 3 * Copyright 2013 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 // This test only works with the GPU backend. | 9 // This test only works with the GPU backend. |
10 | 10 |
11 #include "gm.h" | 11 #include "gm.h" |
12 | 12 |
13 #if SK_SUPPORT_GPU | 13 #if SK_SUPPORT_GPU |
14 | 14 |
15 #include "GrBatchTarget.h" | 15 #include "GrBatchTarget.h" |
16 #include "GrBufferAllocPool.h" | 16 #include "GrBufferAllocPool.h" |
17 #include "GrContext.h" | 17 #include "GrContext.h" |
18 #include "GrPathUtils.h" | 18 #include "GrPathUtils.h" |
| 19 #include "GrResourceProvider.h" |
19 #include "GrTest.h" | 20 #include "GrTest.h" |
20 #include "GrTestBatch.h" | 21 #include "GrTestBatch.h" |
21 #include "SkColorPriv.h" | 22 #include "SkColorPriv.h" |
22 #include "SkDevice.h" | 23 #include "SkDevice.h" |
23 #include "SkGeometry.h" | 24 #include "SkGeometry.h" |
24 | 25 |
25 #include "effects/GrBezierEffect.h" | 26 #include "effects/GrBezierEffect.h" |
26 | 27 |
27 static inline SkScalar eval_line(const SkPoint& p, const SkScalar lineEq[3], SkS
calar sign) { | 28 static inline SkScalar eval_line(const SkPoint& p, const SkScalar lineEq[3], SkS
calar sign) { |
28 return sign * (lineEq[0] * p.fX + lineEq[1] * p.fY + lineEq[2]); | 29 return sign * (lineEq[0] * p.fX + lineEq[1] * p.fY + lineEq[2]); |
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59 SkPoint fPosition; | 60 SkPoint fPosition; |
60 float fKLM[4]; // The last value is ignored. The effect expects a vec4
f. | 61 float fKLM[4]; // The last value is ignored. The effect expects a vec4
f. |
61 }; | 62 }; |
62 | 63 |
63 Geometry* geoData(int index) override { | 64 Geometry* geoData(int index) override { |
64 SkASSERT(0 == index); | 65 SkASSERT(0 == index); |
65 return &fGeometry; | 66 return &fGeometry; |
66 } | 67 } |
67 | 68 |
68 void onGenerateGeometry(GrBatchTarget* batchTarget, const GrPipeline* pipeli
ne) override { | 69 void onGenerateGeometry(GrBatchTarget* batchTarget, const GrPipeline* pipeli
ne) override { |
69 QuadHelper helper; | 70 SkAutoTUnref<const GrIndexBuffer> indexBuffer( |
| 71 batchTarget->resourceProvider()->refQuadIndexBuffer()); |
| 72 |
70 size_t vertexStride = this->geometryProcessor()->getVertexStride(); | 73 size_t vertexStride = this->geometryProcessor()->getVertexStride(); |
71 SkASSERT(vertexStride == sizeof(Vertex)); | 74 const GrVertexBuffer* vertexBuffer; |
72 Vertex* verts = reinterpret_cast<Vertex*>(helper.init(batchTarget, verte
xStride, 1)); | 75 int firstVertex; |
73 if (!verts) { | 76 void* vertices = batchTarget->vertexPool()->makeSpace(vertexStride, |
| 77 kVertsPerCubic, |
| 78 &vertexBuffer, |
| 79 &firstVertex); |
| 80 |
| 81 if (!vertices || !indexBuffer) { |
| 82 SkDebugf("Could not allocate buffers\n"); |
74 return; | 83 return; |
75 } | 84 } |
76 | 85 |
| 86 SkASSERT(vertexStride == sizeof(Vertex)); |
| 87 Vertex* verts = reinterpret_cast<Vertex*>(vertices); |
| 88 |
77 verts[0].fPosition.setRectFan(fGeometry.fBounds.fLeft, fGeometry.fBounds
.fTop, | 89 verts[0].fPosition.setRectFan(fGeometry.fBounds.fLeft, fGeometry.fBounds
.fTop, |
78 fGeometry.fBounds.fRight, fGeometry.fBound
s.fBottom, | 90 fGeometry.fBounds.fRight, fGeometry.fBound
s.fBottom, |
79 sizeof(Vertex)); | 91 sizeof(Vertex)); |
80 for (int v = 0; v < 4; ++v) { | 92 for (int v = 0; v < 4; ++v) { |
81 verts[v].fKLM[0] = eval_line(verts[v].fPosition, fKlmEqs + 0, fSign)
; | 93 verts[v].fKLM[0] = eval_line(verts[v].fPosition, fKlmEqs + 0, fSign)
; |
82 verts[v].fKLM[1] = eval_line(verts[v].fPosition, fKlmEqs + 3, fSign)
; | 94 verts[v].fKLM[1] = eval_line(verts[v].fPosition, fKlmEqs + 3, fSign)
; |
83 verts[v].fKLM[2] = eval_line(verts[v].fPosition, fKlmEqs + 6, 1.f); | 95 verts[v].fKLM[2] = eval_line(verts[v].fPosition, fKlmEqs + 6, 1.f); |
84 } | 96 } |
85 helper.issueDraws(batchTarget); | 97 |
| 98 GrDrawTarget::DrawInfo drawInfo; |
| 99 drawInfo.setPrimitiveType(kTriangleFan_GrPrimitiveType); |
| 100 drawInfo.setVertexBuffer(vertexBuffer); |
| 101 drawInfo.setStartVertex(firstVertex); |
| 102 drawInfo.setVertexCount(kVertsPerCubic); |
| 103 drawInfo.setStartIndex(0); |
| 104 drawInfo.setIndexCount(kIndicesPerCubic); |
| 105 drawInfo.setIndexBuffer(indexBuffer); |
| 106 batchTarget->draw(drawInfo); |
86 } | 107 } |
87 | 108 |
88 Geometry fGeometry; | 109 Geometry fGeometry; |
89 SkScalar fKlmEqs[9]; | 110 SkScalar fKlmEqs[9]; |
90 SkScalar fSign; | 111 SkScalar fSign; |
91 | 112 |
92 static const int kVertsPerCubic = 4; | 113 static const int kVertsPerCubic = 4; |
93 static const int kIndicesPerCubic = 6; | 114 static const int kIndicesPerCubic = 6; |
94 | 115 |
95 typedef GrTestBatch INHERITED; | 116 typedef GrTestBatch INHERITED; |
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447 SkPoint fPosition; | 468 SkPoint fPosition; |
448 float fKLM[4]; // The last value is ignored. The effect expects a vec4
f. | 469 float fKLM[4]; // The last value is ignored. The effect expects a vec4
f. |
449 }; | 470 }; |
450 | 471 |
451 Geometry* geoData(int index) override { | 472 Geometry* geoData(int index) override { |
452 SkASSERT(0 == index); | 473 SkASSERT(0 == index); |
453 return &fGeometry; | 474 return &fGeometry; |
454 } | 475 } |
455 | 476 |
456 void onGenerateGeometry(GrBatchTarget* batchTarget, const GrPipeline* pipeli
ne) override { | 477 void onGenerateGeometry(GrBatchTarget* batchTarget, const GrPipeline* pipeli
ne) override { |
457 QuadHelper helper; | 478 SkAutoTUnref<const GrIndexBuffer> indexBuffer( |
| 479 batchTarget->resourceProvider()->refQuadIndexBuffer()); |
| 480 |
458 size_t vertexStride = this->geometryProcessor()->getVertexStride(); | 481 size_t vertexStride = this->geometryProcessor()->getVertexStride(); |
459 SkASSERT(vertexStride == sizeof(Vertex)); | 482 const GrVertexBuffer* vertexBuffer; |
460 GrDrawTarget::DrawInfo drawInfo; | 483 int firstVertex; |
461 Vertex* verts = reinterpret_cast<Vertex*>(helper.init(batchTarget, verte
xStride, 1)); | 484 |
462 if (!verts) { | 485 void* vertices = batchTarget->vertexPool()->makeSpace(vertexStride, |
| 486 kVertsPerCubic, |
| 487 &vertexBuffer, |
| 488 &firstVertex); |
| 489 |
| 490 if (!vertices || !indexBuffer) { |
| 491 SkDebugf("Could not allocate buffers\n"); |
463 return; | 492 return; |
464 } | 493 } |
| 494 |
| 495 SkASSERT(vertexStride == sizeof(Vertex)); |
| 496 Vertex* verts = reinterpret_cast<Vertex*>(vertices); |
| 497 |
465 verts[0].fPosition.setRectFan(fGeometry.fBounds.fLeft, fGeometry.fBounds
.fTop, | 498 verts[0].fPosition.setRectFan(fGeometry.fBounds.fLeft, fGeometry.fBounds
.fTop, |
466 fGeometry.fBounds.fRight, fGeometry.fBound
s.fBottom, | 499 fGeometry.fBounds.fRight, fGeometry.fBound
s.fBottom, |
467 sizeof(Vertex)); | 500 sizeof(Vertex)); |
| 501 |
468 fDevToUV.apply<4, sizeof(Vertex), sizeof(SkPoint)>(verts); | 502 fDevToUV.apply<4, sizeof(Vertex), sizeof(SkPoint)>(verts); |
469 helper.issueDraws(batchTarget); | 503 |
| 504 |
| 505 GrDrawTarget::DrawInfo drawInfo; |
| 506 drawInfo.setPrimitiveType(kTriangles_GrPrimitiveType); |
| 507 drawInfo.setVertexBuffer(vertexBuffer); |
| 508 drawInfo.setStartVertex(firstVertex); |
| 509 drawInfo.setVertexCount(kVertsPerCubic); |
| 510 drawInfo.setStartIndex(0); |
| 511 drawInfo.setIndexCount(kIndicesPerCubic); |
| 512 drawInfo.setIndexBuffer(indexBuffer); |
| 513 batchTarget->draw(drawInfo); |
470 } | 514 } |
471 | 515 |
472 Geometry fGeometry; | 516 Geometry fGeometry; |
473 GrPathUtils::QuadUVMatrix fDevToUV; | 517 GrPathUtils::QuadUVMatrix fDevToUV; |
474 | 518 |
475 static const int kVertsPerCubic = 4; | 519 static const int kVertsPerCubic = 4; |
476 static const int kIndicesPerCubic = 6; | 520 static const int kIndicesPerCubic = 6; |
477 | 521 |
478 typedef GrTestBatch INHERITED; | 522 typedef GrTestBatch INHERITED; |
479 }; | 523 }; |
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616 typedef GM INHERITED; | 660 typedef GM INHERITED; |
617 }; | 661 }; |
618 | 662 |
619 DEF_GM( return SkNEW(BezierCubicEffects); ) | 663 DEF_GM( return SkNEW(BezierCubicEffects); ) |
620 DEF_GM( return SkNEW(BezierConicEffects); ) | 664 DEF_GM( return SkNEW(BezierConicEffects); ) |
621 DEF_GM( return SkNEW(BezierQuadEffects); ) | 665 DEF_GM( return SkNEW(BezierQuadEffects); ) |
622 | 666 |
623 } | 667 } |
624 | 668 |
625 #endif | 669 #endif |
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