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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 #include "GrAAHairLinePathRenderer.h" | 8 #include "GrAAHairLinePathRenderer.h" |
| 9 | 9 |
| 10 #include "GrBatch.h" | 10 #include "GrBatch.h" |
| 11 #include "GrBatchTarget.h" | 11 #include "GrBatchTarget.h" |
| 12 #include "GrBufferAllocPool.h" | 12 #include "GrBufferAllocPool.h" |
| 13 #include "GrContext.h" | 13 #include "GrContext.h" |
| 14 #include "GrDefaultGeoProcFactory.h" | 14 #include "GrDefaultGeoProcFactory.h" |
| 15 #include "GrDrawTargetCaps.h" | 15 #include "GrDrawTargetCaps.h" |
| 16 #include "GrGpu.h" | |
| 17 #include "GrIndexBuffer.h" | 16 #include "GrIndexBuffer.h" |
| 18 #include "GrPathUtils.h" | 17 #include "GrPathUtils.h" |
| 19 #include "GrPipelineBuilder.h" | 18 #include "GrPipelineBuilder.h" |
| 20 #include "GrProcessor.h" | 19 #include "GrProcessor.h" |
| 20 #include "GrResourceProvider.h" | |
| 21 #include "GrVertexBuffer.h" | 21 #include "GrVertexBuffer.h" |
| 22 #include "SkGeometry.h" | 22 #include "SkGeometry.h" |
| 23 #include "SkStroke.h" | 23 #include "SkStroke.h" |
| 24 #include "SkTemplates.h" | 24 #include "SkTemplates.h" |
| 25 | 25 |
| 26 #include "effects/GrBezierEffect.h" | 26 #include "effects/GrBezierEffect.h" |
| 27 | 27 |
| 28 #define PREALLOC_PTARRAY(N) SkSTArray<(N),SkPoint, true> | |
| 29 | |
| 28 // quadratics are rendered as 5-sided polys in order to bound the | 30 // quadratics are rendered as 5-sided polys in order to bound the |
| 29 // AA stroke around the center-curve. See comments in push_quad_index_buffer and | 31 // AA stroke around the center-curve. See comments in push_quad_index_buffer and |
| 30 // bloat_quad. Quadratics and conics share an index buffer | 32 // bloat_quad. Quadratics and conics share an index buffer |
| 31 | 33 |
| 32 // lines are rendered as: | 34 // lines are rendered as: |
| 33 // *______________* | 35 // *______________* |
| 34 // |\ -_______ /| | 36 // |\ -_______ /| |
| 35 // | \ \ / | | 37 // | \ \ / | |
| 36 // | *--------* | | 38 // | *--------* | |
| 37 // | / ______/ \ | | 39 // | / ______/ \ | |
| (...skipping 15 matching lines...) Expand all Loading... | |
| 53 // specified by these 9 indices: | 55 // specified by these 9 indices: |
| 54 static const uint16_t kQuadIdxBufPattern[] = { | 56 static const uint16_t kQuadIdxBufPattern[] = { |
| 55 0, 1, 2, | 57 0, 1, 2, |
| 56 2, 4, 3, | 58 2, 4, 3, |
| 57 1, 4, 2 | 59 1, 4, 2 |
| 58 }; | 60 }; |
| 59 | 61 |
| 60 static const int kIdxsPerQuad = SK_ARRAY_COUNT(kQuadIdxBufPattern); | 62 static const int kIdxsPerQuad = SK_ARRAY_COUNT(kQuadIdxBufPattern); |
| 61 static const int kQuadNumVertices = 5; | 63 static const int kQuadNumVertices = 5; |
| 62 static const int kQuadsNumInIdxBuffer = 256; | 64 static const int kQuadsNumInIdxBuffer = 256; |
| 65 GR_DECLARE_STATIC_UNIQUE_KEY(gQuadsIndexBufferKey); | |
| 66 | |
| 67 static const GrIndexBuffer* ref_quads_index_buffer(GrResourceProvider* resourceP rovider) { | |
| 68 GR_DEFINE_STATIC_UNIQUE_KEY(gQuadsIndexBufferKey); | |
| 69 return resourceProvider->refOrCreateInstancedIndexBuffer( | |
| 70 kQuadIdxBufPattern, kIdxsPerQuad, kQuadsNumInIdxBuffer, kQuadNumVertices , | |
| 71 gQuadsIndexBufferKey); | |
| 72 } | |
| 63 | 73 |
| 64 | 74 |
| 65 // Each line segment is rendered as two quads and two triangles. | 75 // Each line segment is rendered as two quads and two triangles. |
| 66 // p0 and p1 have alpha = 1 while all other points have alpha = 0. | 76 // p0 and p1 have alpha = 1 while all other points have alpha = 0. |
| 67 // The four external points are offset 1 pixel perpendicular to the | 77 // The four external points are offset 1 pixel perpendicular to the |
| 68 // line and half a pixel parallel to the line. | 78 // line and half a pixel parallel to the line. |
| 69 // | 79 // |
| 70 // p4 p5 | 80 // p4 p5 |
| 71 // p0 p1 | 81 // p0 p1 |
| 72 // p2 p3 | 82 // p2 p3 |
| 73 // | 83 // |
| 74 // Each is drawn as six triangles specified by these 18 indices: | 84 // Each is drawn as six triangles specified by these 18 indices: |
| 75 | 85 |
| 76 static const uint16_t kLineSegIdxBufPattern[] = { | 86 static const uint16_t kLineSegIdxBufPattern[] = { |
| 77 0, 1, 3, | 87 0, 1, 3, |
| 78 0, 3, 2, | 88 0, 3, 2, |
| 79 0, 4, 5, | 89 0, 4, 5, |
| 80 0, 5, 1, | 90 0, 5, 1, |
| 81 0, 2, 4, | 91 0, 2, 4, |
| 82 1, 5, 3 | 92 1, 5, 3 |
| 83 }; | 93 }; |
| 84 | 94 |
| 85 static const int kIdxsPerLineSeg = SK_ARRAY_COUNT(kLineSegIdxBufPattern); | 95 static const int kIdxsPerLineSeg = SK_ARRAY_COUNT(kLineSegIdxBufPattern); |
| 86 static const int kLineSegNumVertices = 6; | 96 static const int kLineSegNumVertices = 6; |
| 87 static const int kLineSegsNumInIdxBuffer = 256; | 97 static const int kLineSegsNumInIdxBuffer = 256; |
| 88 | 98 |
| 89 GrPathRenderer* GrAAHairLinePathRenderer::Create(GrContext* context) { | 99 GR_DECLARE_STATIC_UNIQUE_KEY(gLinesIndexBufferKey); |
| 90 GrGpu* gpu = context->getGpu(); | 100 |
| 91 GrIndexBuffer* qIdxBuf = gpu->createInstancedIndexBuffer(kQuadIdxBufPattern, | 101 static const GrIndexBuffer* ref_lines_index_buffer(GrResourceProvider* resourceP rovider) { |
| 92 kIdxsPerQuad, | 102 GR_DEFINE_STATIC_UNIQUE_KEY(gLinesIndexBufferKey); |
| 93 kQuadsNumInIdxBuffe r, | 103 return resourceProvider->refOrCreateInstancedIndexBuffer( |
| 94 kQuadNumVertices); | 104 kLineSegIdxBufPattern, kIdxsPerLineSeg, kLineSegsNumInIdxBuffer, kLineS egNumVertices, |
| 95 SkAutoTUnref<GrIndexBuffer> qIdxBuffer(qIdxBuf); | 105 gLinesIndexBufferKey); |
| 96 GrIndexBuffer* lIdxBuf = gpu->createInstancedIndexBuffer(kLineSegIdxBufPatte rn, | |
| 97 kIdxsPerLineSeg, | |
| 98 kLineSegsNumInIdxBu ffer, | |
| 99 kLineSegNumVertices ); | |
| 100 SkAutoTUnref<GrIndexBuffer> lIdxBuffer(lIdxBuf); | |
| 101 return SkNEW_ARGS(GrAAHairLinePathRenderer, | |
| 102 (context, lIdxBuf, qIdxBuf)); | |
| 103 } | 106 } |
| 104 | 107 |
| 105 GrAAHairLinePathRenderer::GrAAHairLinePathRenderer( | |
| 106 const GrContext* context, | |
| 107 const GrIndexBuffer* linesIndexBuffer, | |
| 108 const GrIndexBuffer* quadsIndexBuffer) { | |
| 109 fLinesIndexBuffer = linesIndexBuffer; | |
| 110 linesIndexBuffer->ref(); | |
| 111 fQuadsIndexBuffer = quadsIndexBuffer; | |
| 112 quadsIndexBuffer->ref(); | |
| 113 } | |
| 114 | |
| 115 GrAAHairLinePathRenderer::~GrAAHairLinePathRenderer() { | |
| 116 fLinesIndexBuffer->unref(); | |
| 117 fQuadsIndexBuffer->unref(); | |
| 118 } | |
| 119 | |
| 120 namespace { | |
| 121 | |
| 122 #define PREALLOC_PTARRAY(N) SkSTArray<(N),SkPoint, true> | |
| 123 | |
| 124 // Takes 178th time of logf on Z600 / VC2010 | 108 // Takes 178th time of logf on Z600 / VC2010 |
| 125 int get_float_exp(float x) { | 109 static int get_float_exp(float x) { |
| 126 GR_STATIC_ASSERT(sizeof(int) == sizeof(float)); | 110 GR_STATIC_ASSERT(sizeof(int) == sizeof(float)); |
| 127 #ifdef SK_DEBUG | 111 #ifdef SK_DEBUG |
| 128 static bool tested; | 112 static bool tested; |
| 129 if (!tested) { | 113 if (!tested) { |
| 130 tested = true; | 114 tested = true; |
| 131 SkASSERT(get_float_exp(0.25f) == -2); | 115 SkASSERT(get_float_exp(0.25f) == -2); |
| 132 SkASSERT(get_float_exp(0.3f) == -2); | 116 SkASSERT(get_float_exp(0.3f) == -2); |
| 133 SkASSERT(get_float_exp(0.5f) == -1); | 117 SkASSERT(get_float_exp(0.5f) == -1); |
| 134 SkASSERT(get_float_exp(1.f) == 0); | 118 SkASSERT(get_float_exp(1.f) == 0); |
| 135 SkASSERT(get_float_exp(2.f) == 1); | 119 SkASSERT(get_float_exp(2.f) == 1); |
| 136 SkASSERT(get_float_exp(2.5f) == 1); | 120 SkASSERT(get_float_exp(2.5f) == 1); |
| 137 SkASSERT(get_float_exp(8.f) == 3); | 121 SkASSERT(get_float_exp(8.f) == 3); |
| 138 SkASSERT(get_float_exp(100.f) == 6); | 122 SkASSERT(get_float_exp(100.f) == 6); |
| 139 SkASSERT(get_float_exp(1000.f) == 9); | 123 SkASSERT(get_float_exp(1000.f) == 9); |
| 140 SkASSERT(get_float_exp(1024.f) == 10); | 124 SkASSERT(get_float_exp(1024.f) == 10); |
| 141 SkASSERT(get_float_exp(3000000.f) == 21); | 125 SkASSERT(get_float_exp(3000000.f) == 21); |
| 142 } | 126 } |
| 143 #endif | 127 #endif |
| 144 const int* iptr = (const int*)&x; | 128 const int* iptr = (const int*)&x; |
| 145 return (((*iptr) & 0x7f800000) >> 23) - 127; | 129 return (((*iptr) & 0x7f800000) >> 23) - 127; |
| 146 } | 130 } |
| 147 | 131 |
| 148 // Uses the max curvature function for quads to estimate | 132 // Uses the max curvature function for quads to estimate |
| 149 // where to chop the conic. If the max curvature is not | 133 // where to chop the conic. If the max curvature is not |
| 150 // found along the curve segment it will return 1 and | 134 // found along the curve segment it will return 1 and |
| 151 // dst[0] is the original conic. If it returns 2 the dst[0] | 135 // dst[0] is the original conic. If it returns 2 the dst[0] |
| 152 // and dst[1] are the two new conics. | 136 // and dst[1] are the two new conics. |
| 153 int split_conic(const SkPoint src[3], SkConic dst[2], const SkScalar weight) { | 137 static int split_conic(const SkPoint src[3], SkConic dst[2], const SkScalar weig ht) { |
| 154 SkScalar t = SkFindQuadMaxCurvature(src); | 138 SkScalar t = SkFindQuadMaxCurvature(src); |
| 155 if (t == 0) { | 139 if (t == 0) { |
| 156 if (dst) { | 140 if (dst) { |
| 157 dst[0].set(src, weight); | 141 dst[0].set(src, weight); |
| 158 } | 142 } |
| 159 return 1; | 143 return 1; |
| 160 } else { | 144 } else { |
| 161 if (dst) { | 145 if (dst) { |
| 162 SkConic conic; | 146 SkConic conic; |
| 163 conic.set(src, weight); | 147 conic.set(src, weight); |
| 164 conic.chopAt(t, dst); | 148 conic.chopAt(t, dst); |
| 165 } | 149 } |
| 166 return 2; | 150 return 2; |
| 167 } | 151 } |
| 168 } | 152 } |
| 169 | 153 |
| 170 // Calls split_conic on the entire conic and then once more on each subsection. | 154 // Calls split_conic on the entire conic and then once more on each subsection. |
| 171 // Most cases will result in either 1 conic (chop point is not within t range) | 155 // Most cases will result in either 1 conic (chop point is not within t range) |
| 172 // or 3 points (split once and then one subsection is split again). | 156 // or 3 points (split once and then one subsection is split again). |
| 173 int chop_conic(const SkPoint src[3], SkConic dst[4], const SkScalar weight) { | 157 static int chop_conic(const SkPoint src[3], SkConic dst[4], const SkScalar weigh t) { |
| 174 SkConic dstTemp[2]; | 158 SkConic dstTemp[2]; |
| 175 int conicCnt = split_conic(src, dstTemp, weight); | 159 int conicCnt = split_conic(src, dstTemp, weight); |
| 176 if (2 == conicCnt) { | 160 if (2 == conicCnt) { |
| 177 int conicCnt2 = split_conic(dstTemp[0].fPts, dst, dstTemp[0].fW); | 161 int conicCnt2 = split_conic(dstTemp[0].fPts, dst, dstTemp[0].fW); |
| 178 conicCnt = conicCnt2 + split_conic(dstTemp[1].fPts, &dst[conicCnt2], dst Temp[1].fW); | 162 conicCnt = conicCnt2 + split_conic(dstTemp[1].fPts, &dst[conicCnt2], dst Temp[1].fW); |
| 179 } else { | 163 } else { |
| 180 dst[0] = dstTemp[0]; | 164 dst[0] = dstTemp[0]; |
| 181 } | 165 } |
| 182 return conicCnt; | 166 return conicCnt; |
| 183 } | 167 } |
| 184 | 168 |
| 185 // returns 0 if quad/conic is degen or close to it | 169 // returns 0 if quad/conic is degen or close to it |
| 186 // in this case approx the path with lines | 170 // in this case approx the path with lines |
| 187 // otherwise returns 1 | 171 // otherwise returns 1 |
| 188 int is_degen_quad_or_conic(const SkPoint p[3], SkScalar* dsqd) { | 172 static int is_degen_quad_or_conic(const SkPoint p[3], SkScalar* dsqd) { |
| 189 static const SkScalar gDegenerateToLineTol = SK_Scalar1; | 173 static const SkScalar gDegenerateToLineTol = SK_Scalar1; |
| 190 static const SkScalar gDegenerateToLineTolSqd = | 174 static const SkScalar gDegenerateToLineTolSqd = |
| 191 SkScalarMul(gDegenerateToLineTol, gDegenerateToLineTol); | 175 SkScalarMul(gDegenerateToLineTol, gDegenerateToLineTol); |
| 192 | 176 |
| 193 if (p[0].distanceToSqd(p[1]) < gDegenerateToLineTolSqd || | 177 if (p[0].distanceToSqd(p[1]) < gDegenerateToLineTolSqd || |
| 194 p[1].distanceToSqd(p[2]) < gDegenerateToLineTolSqd) { | 178 p[1].distanceToSqd(p[2]) < gDegenerateToLineTolSqd) { |
| 195 return 1; | 179 return 1; |
| 196 } | 180 } |
| 197 | 181 |
| 198 *dsqd = p[1].distanceToLineBetweenSqd(p[0], p[2]); | 182 *dsqd = p[1].distanceToLineBetweenSqd(p[0], p[2]); |
| 199 if (*dsqd < gDegenerateToLineTolSqd) { | 183 if (*dsqd < gDegenerateToLineTolSqd) { |
| 200 return 1; | 184 return 1; |
| 201 } | 185 } |
| 202 | 186 |
| 203 if (p[2].distanceToLineBetweenSqd(p[1], p[0]) < gDegenerateToLineTolSqd) { | 187 if (p[2].distanceToLineBetweenSqd(p[1], p[0]) < gDegenerateToLineTolSqd) { |
| 204 return 1; | 188 return 1; |
| 205 } | 189 } |
| 206 return 0; | 190 return 0; |
| 207 } | 191 } |
| 208 | 192 |
| 209 int is_degen_quad_or_conic(const SkPoint p[3]) { | 193 static int is_degen_quad_or_conic(const SkPoint p[3]) { |
| 210 SkScalar dsqd; | 194 SkScalar dsqd; |
| 211 return is_degen_quad_or_conic(p, &dsqd); | 195 return is_degen_quad_or_conic(p, &dsqd); |
| 212 } | 196 } |
| 213 | 197 |
| 214 // we subdivide the quads to avoid huge overfill | 198 // we subdivide the quads to avoid huge overfill |
| 215 // if it returns -1 then should be drawn as lines | 199 // if it returns -1 then should be drawn as lines |
| 216 int num_quad_subdivs(const SkPoint p[3]) { | 200 static int num_quad_subdivs(const SkPoint p[3]) { |
| 217 SkScalar dsqd; | 201 SkScalar dsqd; |
| 218 if (is_degen_quad_or_conic(p, &dsqd)) { | 202 if (is_degen_quad_or_conic(p, &dsqd)) { |
| 219 return -1; | 203 return -1; |
| 220 } | 204 } |
| 221 | 205 |
| 222 // tolerance of triangle height in pixels | 206 // tolerance of triangle height in pixels |
| 223 // tuned on windows Quadro FX 380 / Z600 | 207 // tuned on windows Quadro FX 380 / Z600 |
| 224 // trade off of fill vs cpu time on verts | 208 // trade off of fill vs cpu time on verts |
| 225 // maybe different when do this using gpu (geo or tess shaders) | 209 // maybe different when do this using gpu (geo or tess shaders) |
| 226 static const SkScalar gSubdivTol = 175 * SK_Scalar1; | 210 static const SkScalar gSubdivTol = 175 * SK_Scalar1; |
| (...skipping 15 matching lines...) Expand all Loading... | |
| 242 | 226 |
| 243 /** | 227 /** |
| 244 * Generates the lines and quads to be rendered. Lines are always recorded in | 228 * Generates the lines and quads to be rendered. Lines are always recorded in |
| 245 * device space. We will do a device space bloat to account for the 1pixel | 229 * device space. We will do a device space bloat to account for the 1pixel |
| 246 * thickness. | 230 * thickness. |
| 247 * Quads are recorded in device space unless m contains | 231 * Quads are recorded in device space unless m contains |
| 248 * perspective, then in they are in src space. We do this because we will | 232 * perspective, then in they are in src space. We do this because we will |
| 249 * subdivide large quads to reduce over-fill. This subdivision has to be | 233 * subdivide large quads to reduce over-fill. This subdivision has to be |
| 250 * performed before applying the perspective matrix. | 234 * performed before applying the perspective matrix. |
| 251 */ | 235 */ |
| 252 int gather_lines_and_quads(const SkPath& path, | 236 static int gather_lines_and_quads(const SkPath& path, |
| 253 const SkMatrix& m, | 237 const SkMatrix& m, |
| 254 const SkIRect& devClipBounds, | 238 const SkIRect& devClipBounds, |
| 255 GrAAHairLinePathRenderer::PtArray* lines, | 239 GrAAHairLinePathRenderer::PtArray* lines, |
| 256 GrAAHairLinePathRenderer::PtArray* quads, | 240 GrAAHairLinePathRenderer::PtArray* quads, |
| 257 GrAAHairLinePathRenderer::PtArray* conics, | 241 GrAAHairLinePathRenderer::PtArray* conics, |
| 258 GrAAHairLinePathRenderer::IntArray* quadSubdivCnts, | 242 GrAAHairLinePathRenderer::IntArray* quadSubdiv Cnts, |
| 259 GrAAHairLinePathRenderer::FloatArray* conicWeights) { | 243 GrAAHairLinePathRenderer::FloatArray* conicWei ghts) { |
| 260 SkPath::Iter iter(path, false); | 244 SkPath::Iter iter(path, false); |
| 261 | 245 |
| 262 int totalQuadCount = 0; | 246 int totalQuadCount = 0; |
| 263 SkRect bounds; | 247 SkRect bounds; |
| 264 SkIRect ibounds; | 248 SkIRect ibounds; |
| 265 | 249 |
| 266 bool persp = m.hasPerspective(); | 250 bool persp = m.hasPerspective(); |
| 267 | 251 |
| 268 for (;;) { | 252 for (;;) { |
| 269 SkPoint pathPts[4]; | 253 SkPoint pathPts[4]; |
| (...skipping 163 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
| 433 } fConic; | 417 } fConic; |
| 434 SkVector fQuadCoord; | 418 SkVector fQuadCoord; |
| 435 struct { | 419 struct { |
| 436 SkScalar fBogus[4]; | 420 SkScalar fBogus[4]; |
| 437 }; | 421 }; |
| 438 }; | 422 }; |
| 439 }; | 423 }; |
| 440 | 424 |
| 441 GR_STATIC_ASSERT(sizeof(BezierVertex) == 3 * sizeof(SkPoint)); | 425 GR_STATIC_ASSERT(sizeof(BezierVertex) == 3 * sizeof(SkPoint)); |
| 442 | 426 |
| 443 void intersect_lines(const SkPoint& ptA, const SkVector& normA, | 427 static void intersect_lines(const SkPoint& ptA, const SkVector& normA, |
| 444 const SkPoint& ptB, const SkVector& normB, | 428 const SkPoint& ptB, const SkVector& normB, |
| 445 SkPoint* result) { | 429 SkPoint* result) { |
| 446 | 430 |
| 447 SkScalar lineAW = -normA.dot(ptA); | 431 SkScalar lineAW = -normA.dot(ptA); |
| 448 SkScalar lineBW = -normB.dot(ptB); | 432 SkScalar lineBW = -normB.dot(ptB); |
| 449 | 433 |
| 450 SkScalar wInv = SkScalarMul(normA.fX, normB.fY) - | 434 SkScalar wInv = SkScalarMul(normA.fX, normB.fY) - |
| 451 SkScalarMul(normA.fY, normB.fX); | 435 SkScalarMul(normA.fY, normB.fX); |
| 452 wInv = SkScalarInvert(wInv); | 436 wInv = SkScalarInvert(wInv); |
| 453 | 437 |
| 454 result->fX = SkScalarMul(normA.fY, lineBW) - SkScalarMul(lineAW, normB.fY); | 438 result->fX = SkScalarMul(normA.fY, lineBW) - SkScalarMul(lineAW, normB.fY); |
| 455 result->fX = SkScalarMul(result->fX, wInv); | 439 result->fX = SkScalarMul(result->fX, wInv); |
| 456 | 440 |
| 457 result->fY = SkScalarMul(lineAW, normB.fX) - SkScalarMul(normA.fX, lineBW); | 441 result->fY = SkScalarMul(lineAW, normB.fX) - SkScalarMul(normA.fX, lineBW); |
| 458 result->fY = SkScalarMul(result->fY, wInv); | 442 result->fY = SkScalarMul(result->fY, wInv); |
| 459 } | 443 } |
| 460 | 444 |
| 461 void set_uv_quad(const SkPoint qpts[3], BezierVertex verts[kQuadNumVertices]) { | 445 static void set_uv_quad(const SkPoint qpts[3], BezierVertex verts[kQuadNumVertic es]) { |
| 462 // this should be in the src space, not dev coords, when we have perspective | 446 // this should be in the src space, not dev coords, when we have perspective |
| 463 GrPathUtils::QuadUVMatrix DevToUV(qpts); | 447 GrPathUtils::QuadUVMatrix DevToUV(qpts); |
| 464 DevToUV.apply<kQuadNumVertices, sizeof(BezierVertex), sizeof(SkPoint)>(verts ); | 448 DevToUV.apply<kQuadNumVertices, sizeof(BezierVertex), sizeof(SkPoint)>(verts ); |
| 465 } | 449 } |
| 466 | 450 |
| 467 void bloat_quad(const SkPoint qpts[3], const SkMatrix* toDevice, | 451 static void bloat_quad(const SkPoint qpts[3], const SkMatrix* toDevice, |
| 468 const SkMatrix* toSrc, BezierVertex verts[kQuadNumVertices]) { | 452 const SkMatrix* toSrc, BezierVertex verts[kQuadNumVertice s]) { |
| 469 SkASSERT(!toDevice == !toSrc); | 453 SkASSERT(!toDevice == !toSrc); |
| 470 // original quad is specified by tri a,b,c | 454 // original quad is specified by tri a,b,c |
| 471 SkPoint a = qpts[0]; | 455 SkPoint a = qpts[0]; |
| 472 SkPoint b = qpts[1]; | 456 SkPoint b = qpts[1]; |
| 473 SkPoint c = qpts[2]; | 457 SkPoint c = qpts[2]; |
| 474 | 458 |
| 475 if (toDevice) { | 459 if (toDevice) { |
| 476 toDevice->mapPoints(&a, 1); | 460 toDevice->mapPoints(&a, 1); |
| 477 toDevice->mapPoints(&b, 1); | 461 toDevice->mapPoints(&b, 1); |
| 478 toDevice->mapPoints(&c, 1); | 462 toDevice->mapPoints(&c, 1); |
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| 536 } | 520 } |
| 537 } | 521 } |
| 538 | 522 |
| 539 // Equations based off of Loop-Blinn Quadratic GPU Rendering | 523 // Equations based off of Loop-Blinn Quadratic GPU Rendering |
| 540 // Input Parametric: | 524 // Input Parametric: |
| 541 // P(t) = (P0*(1-t)^2 + 2*w*P1*t*(1-t) + P2*t^2) / (1-t)^2 + 2*w*t*(1-t) + t^2) | 525 // P(t) = (P0*(1-t)^2 + 2*w*P1*t*(1-t) + P2*t^2) / (1-t)^2 + 2*w*t*(1-t) + t^2) |
| 542 // Output Implicit: | 526 // Output Implicit: |
| 543 // f(x, y, w) = f(P) = K^2 - LM | 527 // f(x, y, w) = f(P) = K^2 - LM |
| 544 // K = dot(k, P), L = dot(l, P), M = dot(m, P) | 528 // K = dot(k, P), L = dot(l, P), M = dot(m, P) |
| 545 // k, l, m are calculated in function GrPathUtils::getConicKLM | 529 // k, l, m are calculated in function GrPathUtils::getConicKLM |
| 546 void set_conic_coeffs(const SkPoint p[3], BezierVertex verts[kQuadNumVertices], | 530 static void set_conic_coeffs(const SkPoint p[3], BezierVertex verts[kQuadNumVert ices], |
| 547 const SkScalar weight) { | 531 const SkScalar weight) { |
| 548 SkScalar klm[9]; | 532 SkScalar klm[9]; |
| 549 | 533 |
| 550 GrPathUtils::getConicKLM(p, weight, klm); | 534 GrPathUtils::getConicKLM(p, weight, klm); |
| 551 | 535 |
| 552 for (int i = 0; i < kQuadNumVertices; ++i) { | 536 for (int i = 0; i < kQuadNumVertices; ++i) { |
| 553 const SkPoint pnt = verts[i].fPos; | 537 const SkPoint pnt = verts[i].fPos; |
| 554 verts[i].fConic.fK = pnt.fX * klm[0] + pnt.fY * klm[1] + klm[2]; | 538 verts[i].fConic.fK = pnt.fX * klm[0] + pnt.fY * klm[1] + klm[2]; |
| 555 verts[i].fConic.fL = pnt.fX * klm[3] + pnt.fY * klm[4] + klm[5]; | 539 verts[i].fConic.fL = pnt.fX * klm[3] + pnt.fY * klm[4] + klm[5]; |
| 556 verts[i].fConic.fM = pnt.fX * klm[6] + pnt.fY * klm[7] + klm[8]; | 540 verts[i].fConic.fM = pnt.fX * klm[6] + pnt.fY * klm[7] + klm[8]; |
| 557 } | 541 } |
| 558 } | 542 } |
| 559 | 543 |
| 560 void add_conics(const SkPoint p[3], | 544 static void add_conics(const SkPoint p[3], |
| 561 const SkScalar weight, | 545 const SkScalar weight, |
| 562 const SkMatrix* toDevice, | 546 const SkMatrix* toDevice, |
| 563 const SkMatrix* toSrc, | 547 const SkMatrix* toSrc, |
| 564 BezierVertex** vert) { | 548 BezierVertex** vert) { |
| 565 bloat_quad(p, toDevice, toSrc, *vert); | 549 bloat_quad(p, toDevice, toSrc, *vert); |
| 566 set_conic_coeffs(p, *vert, weight); | 550 set_conic_coeffs(p, *vert, weight); |
| 567 *vert += kQuadNumVertices; | 551 *vert += kQuadNumVertices; |
| 568 } | 552 } |
| 569 | 553 |
| 570 void add_quads(const SkPoint p[3], | 554 static void add_quads(const SkPoint p[3], |
| 571 int subdiv, | 555 int subdiv, |
| 572 const SkMatrix* toDevice, | 556 const SkMatrix* toDevice, |
| 573 const SkMatrix* toSrc, | 557 const SkMatrix* toSrc, |
| 574 BezierVertex** vert) { | 558 BezierVertex** vert) { |
| 575 SkASSERT(subdiv >= 0); | 559 SkASSERT(subdiv >= 0); |
| 576 if (subdiv) { | 560 if (subdiv) { |
| 577 SkPoint newP[5]; | 561 SkPoint newP[5]; |
| 578 SkChopQuadAtHalf(p, newP); | 562 SkChopQuadAtHalf(p, newP); |
| 579 add_quads(newP + 0, subdiv-1, toDevice, toSrc, vert); | 563 add_quads(newP + 0, subdiv-1, toDevice, toSrc, vert); |
| 580 add_quads(newP + 2, subdiv-1, toDevice, toSrc, vert); | 564 add_quads(newP + 2, subdiv-1, toDevice, toSrc, vert); |
| 581 } else { | 565 } else { |
| 582 bloat_quad(p, toDevice, toSrc, *vert); | 566 bloat_quad(p, toDevice, toSrc, *vert); |
| 583 set_uv_quad(p, *vert); | 567 set_uv_quad(p, *vert); |
| 584 *vert += kQuadNumVertices; | 568 *vert += kQuadNumVertices; |
| 585 } | 569 } |
| 586 } | 570 } |
| 587 | 571 |
| 588 void add_line(const SkPoint p[2], | 572 static void add_line(const SkPoint p[2], |
| 589 const SkMatrix* toSrc, | 573 const SkMatrix* toSrc, |
| 590 uint8_t coverage, | 574 uint8_t coverage, |
| 591 LineVertex** vert) { | 575 LineVertex** vert) { |
| 592 const SkPoint& a = p[0]; | 576 const SkPoint& a = p[0]; |
| 593 const SkPoint& b = p[1]; | 577 const SkPoint& b = p[1]; |
| 594 | 578 |
| 595 SkVector ortho, vec = b; | 579 SkVector ortho, vec = b; |
| 596 vec -= a; | 580 vec -= a; |
| 597 | 581 |
| 598 if (vec.setLength(SK_ScalarHalf)) { | 582 if (vec.setLength(SK_ScalarHalf)) { |
| 599 // Create a vector orthogonal to 'vec' and of unit length | 583 // Create a vector orthogonal to 'vec' and of unit length |
| 600 ortho.fX = 2.0f * vec.fY; | 584 ortho.fX = 2.0f * vec.fY; |
| 601 ortho.fY = -2.0f * vec.fX; | 585 ortho.fY = -2.0f * vec.fX; |
| (...skipping 21 matching lines...) Expand all Loading... | |
| 623 } else { | 607 } else { |
| 624 // just make it degenerate and likely offscreen | 608 // just make it degenerate and likely offscreen |
| 625 for (int i = 0; i < kLineSegNumVertices; ++i) { | 609 for (int i = 0; i < kLineSegNumVertices; ++i) { |
| 626 (*vert)[i].fPos.set(SK_ScalarMax, SK_ScalarMax); | 610 (*vert)[i].fPos.set(SK_ScalarMax, SK_ScalarMax); |
| 627 } | 611 } |
| 628 } | 612 } |
| 629 | 613 |
| 630 *vert += kLineSegNumVertices; | 614 *vert += kLineSegNumVertices; |
| 631 } | 615 } |
| 632 | 616 |
| 633 } | |
| 634 | |
| 635 /////////////////////////////////////////////////////////////////////////////// | 617 /////////////////////////////////////////////////////////////////////////////// |
| 636 | 618 |
| 637 bool GrAAHairLinePathRenderer::canDrawPath(const GrDrawTarget* target, | 619 bool GrAAHairLinePathRenderer::canDrawPath(const GrDrawTarget* target, |
| 638 const GrPipelineBuilder* pipelineBuil der, | 620 const GrPipelineBuilder* pipelineBuil der, |
| 639 const SkMatrix& viewMatrix, | 621 const SkMatrix& viewMatrix, |
| 640 const SkPath& path, | 622 const SkPath& path, |
| 641 const GrStrokeInfo& stroke, | 623 const GrStrokeInfo& stroke, |
| 642 bool antiAlias) const { | 624 bool antiAlias) const { |
| 643 if (!antiAlias) { | 625 if (!antiAlias) { |
| 644 return false; | 626 return false; |
| (...skipping 50 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
| 695 class AAHairlineBatch : public GrBatch { | 677 class AAHairlineBatch : public GrBatch { |
| 696 public: | 678 public: |
| 697 struct Geometry { | 679 struct Geometry { |
| 698 GrColor fColor; | 680 GrColor fColor; |
| 699 uint8_t fCoverage; | 681 uint8_t fCoverage; |
| 700 SkMatrix fViewMatrix; | 682 SkMatrix fViewMatrix; |
| 701 SkPath fPath; | 683 SkPath fPath; |
| 702 SkIRect fDevClipBounds; | 684 SkIRect fDevClipBounds; |
| 703 }; | 685 }; |
| 704 | 686 |
| 705 // TODO Batch itself should not hold on to index buffers. Instead, these sh ould live in the | 687 static GrBatch* Create(const Geometry& geometry) { |
| 706 // cache. | 688 return SkNEW_ARGS(AAHairlineBatch, (geometry)); |
| 707 static GrBatch* Create(const Geometry& geometry, const GrIndexBuffer* linesI ndexBuffer, | |
| 708 const GrIndexBuffer* quadsIndexBuffer) { | |
| 709 return SkNEW_ARGS(AAHairlineBatch, (geometry, linesIndexBuffer, quadsInd exBuffer)); | |
| 710 } | 689 } |
| 711 | 690 |
| 712 const char* name() const override { return "AAHairlineBatch"; } | 691 const char* name() const override { return "AAHairlineBatch"; } |
| 713 | 692 |
| 714 void getInvariantOutputColor(GrInitInvariantOutput* out) const override { | 693 void getInvariantOutputColor(GrInitInvariantOutput* out) const override { |
| 715 // When this is called on a batch, there is only one geometry bundle | 694 // When this is called on a batch, there is only one geometry bundle |
| 716 out->setKnownFourComponents(fGeoData[0].fColor); | 695 out->setKnownFourComponents(fGeoData[0].fColor); |
| 717 } | 696 } |
| 718 void getInvariantOutputCoverage(GrInitInvariantOutput* out) const override { | 697 void getInvariantOutputCoverage(GrInitInvariantOutput* out) const override { |
| 719 out->setUnknownSingleComponent(); | 698 out->setUnknownSingleComponent(); |
| (...skipping 17 matching lines...) Expand all Loading... | |
| 737 | 716 |
| 738 void generateGeometry(GrBatchTarget* batchTarget, const GrPipeline* pipeline ) override; | 717 void generateGeometry(GrBatchTarget* batchTarget, const GrPipeline* pipeline ) override; |
| 739 | 718 |
| 740 SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; } | 719 SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; } |
| 741 | 720 |
| 742 private: | 721 private: |
| 743 typedef SkTArray<SkPoint, true> PtArray; | 722 typedef SkTArray<SkPoint, true> PtArray; |
| 744 typedef SkTArray<int, true> IntArray; | 723 typedef SkTArray<int, true> IntArray; |
| 745 typedef SkTArray<float, true> FloatArray; | 724 typedef SkTArray<float, true> FloatArray; |
| 746 | 725 |
| 747 AAHairlineBatch(const Geometry& geometry, const GrIndexBuffer* linesIndexBuf fer, | 726 AAHairlineBatch(const Geometry& geometry) { |
| 748 const GrIndexBuffer* quadsIndexBuffer) | |
| 749 : fLinesIndexBuffer(linesIndexBuffer) | |
| 750 , fQuadsIndexBuffer(quadsIndexBuffer) { | |
| 751 SkASSERT(linesIndexBuffer && quadsIndexBuffer); | |
| 752 this->initClassID<AAHairlineBatch>(); | 727 this->initClassID<AAHairlineBatch>(); |
| 753 fGeoData.push_back(geometry); | 728 fGeoData.push_back(geometry); |
| 754 | 729 |
| 755 // compute bounds | 730 // compute bounds |
| 756 fBounds = geometry.fPath.getBounds(); | 731 fBounds = geometry.fPath.getBounds(); |
| 757 geometry.fViewMatrix.mapRect(&fBounds); | 732 geometry.fViewMatrix.mapRect(&fBounds); |
| 758 } | 733 } |
| 759 | 734 |
| 760 bool onCombineIfPossible(GrBatch* t) override { | 735 bool onCombineIfPossible(GrBatch* t) override { |
| 761 AAHairlineBatch* that = t->cast<AAHairlineBatch>(); | 736 AAHairlineBatch* that = t->cast<AAHairlineBatch>(); |
| (...skipping 38 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
| 800 GrColor fColor; | 775 GrColor fColor; |
| 801 uint8_t fCoverage; | 776 uint8_t fCoverage; |
| 802 SkRect fDevBounds; | 777 SkRect fDevBounds; |
| 803 bool fUsesLocalCoords; | 778 bool fUsesLocalCoords; |
| 804 bool fColorIgnored; | 779 bool fColorIgnored; |
| 805 bool fCoverageIgnored; | 780 bool fCoverageIgnored; |
| 806 }; | 781 }; |
| 807 | 782 |
| 808 BatchTracker fBatch; | 783 BatchTracker fBatch; |
| 809 SkSTArray<1, Geometry, true> fGeoData; | 784 SkSTArray<1, Geometry, true> fGeoData; |
| 810 const GrIndexBuffer* fLinesIndexBuffer; | |
| 811 const GrIndexBuffer* fQuadsIndexBuffer; | |
| 812 }; | 785 }; |
| 813 | 786 |
| 814 void AAHairlineBatch::generateGeometry(GrBatchTarget* batchTarget, const GrPipel ine* pipeline) { | 787 void AAHairlineBatch::generateGeometry(GrBatchTarget* batchTarget, const GrPipel ine* pipeline) { |
| 815 // Setup the viewmatrix and localmatrix for the GrGeometryProcessor. | 788 // Setup the viewmatrix and localmatrix for the GrGeometryProcessor. |
| 816 SkMatrix invert; | 789 SkMatrix invert; |
| 817 if (!this->viewMatrix().invert(&invert)) { | 790 if (!this->viewMatrix().invert(&invert)) { |
| 818 return; | 791 return; |
| 819 } | 792 } |
| 820 | 793 |
| 821 // we will transform to identity space if the viewmatrix does not have persp ective | 794 // we will transform to identity space if the viewmatrix does not have persp ective |
| (...skipping 50 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
| 872 const Geometry& args = fGeoData[i]; | 845 const Geometry& args = fGeoData[i]; |
| 873 quadCount += gather_lines_and_quads(args.fPath, args.fViewMatrix, args.f DevClipBounds, | 846 quadCount += gather_lines_and_quads(args.fPath, args.fViewMatrix, args.f DevClipBounds, |
| 874 &lines, &quads, &conics, &qSubdivs, &cWeights); | 847 &lines, &quads, &conics, &qSubdivs, &cWeights); |
| 875 } | 848 } |
| 876 | 849 |
| 877 int lineCount = lines.count() / 2; | 850 int lineCount = lines.count() / 2; |
| 878 int conicCount = conics.count() / 3; | 851 int conicCount = conics.count() / 3; |
| 879 | 852 |
| 880 // do lines first | 853 // do lines first |
| 881 if (lineCount) { | 854 if (lineCount) { |
| 855 SkAutoTUnref<const GrIndexBuffer> linesIndexBuffer( | |
| 856 ref_lines_index_buffer(batchTarget->resourceProvider())); | |
|
robertphillips
2015/05/04 13:16:00
Check if this fails ? We seem to do it every where
bsalomon
2015/05/04 15:01:09
Done.
| |
| 882 batchTarget->initDraw(lineGP, pipeline); | 857 batchTarget->initDraw(lineGP, pipeline); |
| 883 | 858 |
| 884 // TODO remove this when batch is everywhere | 859 // TODO remove this when batch is everywhere |
| 885 GrPipelineInfo init; | 860 GrPipelineInfo init; |
| 886 init.fColorIgnored = fBatch.fColorIgnored; | 861 init.fColorIgnored = fBatch.fColorIgnored; |
| 887 init.fOverrideColor = GrColor_ILLEGAL; | 862 init.fOverrideColor = GrColor_ILLEGAL; |
| 888 init.fCoverageIgnored = fBatch.fCoverageIgnored; | 863 init.fCoverageIgnored = fBatch.fCoverageIgnored; |
| 889 init.fUsesLocalCoords = this->usesLocalCoords(); | 864 init.fUsesLocalCoords = this->usesLocalCoords(); |
| 890 lineGP->initBatchTracker(batchTarget->currentBatchTracker(), init); | 865 lineGP->initBatchTracker(batchTarget->currentBatchTracker(), init); |
| 891 | 866 |
| (...skipping 15 matching lines...) Expand all Loading... | |
| 907 SkASSERT(lineGP->getVertexStride() == sizeof(LineVertex)); | 882 SkASSERT(lineGP->getVertexStride() == sizeof(LineVertex)); |
| 908 | 883 |
| 909 LineVertex* verts = reinterpret_cast<LineVertex*>(vertices); | 884 LineVertex* verts = reinterpret_cast<LineVertex*>(vertices); |
| 910 for (int i = 0; i < lineCount; ++i) { | 885 for (int i = 0; i < lineCount; ++i) { |
| 911 add_line(&lines[2*i], toSrc, this->coverage(), &verts); | 886 add_line(&lines[2*i], toSrc, this->coverage(), &verts); |
| 912 } | 887 } |
| 913 | 888 |
| 914 { | 889 { |
| 915 GrDrawTarget::DrawInfo info; | 890 GrDrawTarget::DrawInfo info; |
| 916 info.setVertexBuffer(vertexBuffer); | 891 info.setVertexBuffer(vertexBuffer); |
| 917 info.setIndexBuffer(fLinesIndexBuffer); | 892 info.setIndexBuffer(linesIndexBuffer); |
| 918 info.setPrimitiveType(kTriangles_GrPrimitiveType); | 893 info.setPrimitiveType(kTriangles_GrPrimitiveType); |
| 919 info.setStartIndex(0); | 894 info.setStartIndex(0); |
| 920 | 895 |
| 921 int lines = 0; | 896 int lines = 0; |
| 922 while (lines < lineCount) { | 897 while (lines < lineCount) { |
| 923 int n = SkTMin(lineCount - lines, kLineSegsNumInIdxBuffer); | 898 int n = SkTMin(lineCount - lines, kLineSegsNumInIdxBuffer); |
| 924 | 899 |
| 925 info.setStartVertex(kLineSegNumVertices*lines + firstVertex); | 900 info.setStartVertex(kLineSegNumVertices*lines + firstVertex); |
| 926 info.setVertexCount(kLineSegNumVertices*n); | 901 info.setVertexCount(kLineSegNumVertices*n); |
| 927 info.setIndexCount(kIdxsPerLineSeg*n); | 902 info.setIndexCount(kIdxsPerLineSeg*n); |
| 928 batchTarget->draw(info); | 903 batchTarget->draw(info); |
| 929 | 904 |
| 930 lines += n; | 905 lines += n; |
| 931 } | 906 } |
| 932 } | 907 } |
| 933 } | 908 } |
| 934 | 909 |
| 935 if (quadCount || conicCount) { | 910 if (quadCount || conicCount) { |
| 936 const GrVertexBuffer* vertexBuffer; | 911 const GrVertexBuffer* vertexBuffer; |
| 937 int firstVertex; | 912 int firstVertex; |
| 938 | 913 |
| 914 SkAutoTUnref<const GrIndexBuffer> quadsIndexBuffer( | |
| 915 ref_quads_index_buffer(batchTarget->resourceProvider())); | |
| 916 | |
| 939 size_t vertexStride = sizeof(BezierVertex); | 917 size_t vertexStride = sizeof(BezierVertex); |
| 940 int vertexCount = kQuadNumVertices * quadCount + kQuadNumVertices * coni cCount; | 918 int vertexCount = kQuadNumVertices * quadCount + kQuadNumVertices * coni cCount; |
| 941 void *vertices = batchTarget->vertexPool()->makeSpace(vertexStride, | 919 void *vertices = batchTarget->vertexPool()->makeSpace(vertexStride, |
| 942 vertexCount, | 920 vertexCount, |
| 943 &vertexBuffer, | 921 &vertexBuffer, |
| 944 &firstVertex); | 922 &firstVertex); |
| 945 | 923 |
| 946 if (!vertices) { | 924 if (!vertices || !quadsIndexBuffer) { |
| 947 SkDebugf("Could not allocate vertices\n"); | 925 SkDebugf("Could not allocate vertices\n"); |
| 948 return; | 926 return; |
| 949 } | 927 } |
| 950 | 928 |
| 951 // Setup vertices | 929 // Setup vertices |
| 952 BezierVertex* verts = reinterpret_cast<BezierVertex*>(vertices); | 930 BezierVertex* verts = reinterpret_cast<BezierVertex*>(vertices); |
| 953 | 931 |
| 954 int unsubdivQuadCnt = quads.count() / 3; | 932 int unsubdivQuadCnt = quads.count() / 3; |
| 955 for (int i = 0; i < unsubdivQuadCnt; ++i) { | 933 for (int i = 0; i < unsubdivQuadCnt; ++i) { |
| 956 SkASSERT(qSubdivs[i] >= 0); | 934 SkASSERT(qSubdivs[i] >= 0); |
| (...skipping 12 matching lines...) Expand all Loading... | |
| 969 GrPipelineInfo init; | 947 GrPipelineInfo init; |
| 970 init.fColorIgnored = fBatch.fColorIgnored; | 948 init.fColorIgnored = fBatch.fColorIgnored; |
| 971 init.fOverrideColor = GrColor_ILLEGAL; | 949 init.fOverrideColor = GrColor_ILLEGAL; |
| 972 init.fCoverageIgnored = fBatch.fCoverageIgnored; | 950 init.fCoverageIgnored = fBatch.fCoverageIgnored; |
| 973 init.fUsesLocalCoords = this->usesLocalCoords(); | 951 init.fUsesLocalCoords = this->usesLocalCoords(); |
| 974 quadGP->initBatchTracker(batchTarget->currentBatchTracker(), init); | 952 quadGP->initBatchTracker(batchTarget->currentBatchTracker(), init); |
| 975 | 953 |
| 976 { | 954 { |
| 977 GrDrawTarget::DrawInfo info; | 955 GrDrawTarget::DrawInfo info; |
| 978 info.setVertexBuffer(vertexBuffer); | 956 info.setVertexBuffer(vertexBuffer); |
| 979 info.setIndexBuffer(fQuadsIndexBuffer); | 957 info.setIndexBuffer(quadsIndexBuffer); |
| 980 info.setPrimitiveType(kTriangles_GrPrimitiveType); | 958 info.setPrimitiveType(kTriangles_GrPrimitiveType); |
| 981 info.setStartIndex(0); | 959 info.setStartIndex(0); |
| 982 | 960 |
| 983 int quads = 0; | 961 int quads = 0; |
| 984 while (quads < quadCount) { | 962 while (quads < quadCount) { |
| 985 int n = SkTMin(quadCount - quads, kQuadsNumInIdxBuffer); | 963 int n = SkTMin(quadCount - quads, kQuadsNumInIdxBuffer); |
| 986 | 964 |
| 987 info.setStartVertex(kQuadNumVertices*quads + firstVertex); | 965 info.setStartVertex(kQuadNumVertices*quads + firstVertex); |
| 988 info.setVertexCount(kQuadNumVertices*n); | 966 info.setVertexCount(kQuadNumVertices*n); |
| 989 info.setIndexCount(kIdxsPerQuad*n); | 967 info.setIndexCount(kIdxsPerQuad*n); |
| (...skipping 11 matching lines...) Expand all Loading... | |
| 1001 GrPipelineInfo init; | 979 GrPipelineInfo init; |
| 1002 init.fColorIgnored = fBatch.fColorIgnored; | 980 init.fColorIgnored = fBatch.fColorIgnored; |
| 1003 init.fOverrideColor = GrColor_ILLEGAL; | 981 init.fOverrideColor = GrColor_ILLEGAL; |
| 1004 init.fCoverageIgnored = fBatch.fCoverageIgnored; | 982 init.fCoverageIgnored = fBatch.fCoverageIgnored; |
| 1005 init.fUsesLocalCoords = this->usesLocalCoords(); | 983 init.fUsesLocalCoords = this->usesLocalCoords(); |
| 1006 conicGP->initBatchTracker(batchTarget->currentBatchTracker(), init); | 984 conicGP->initBatchTracker(batchTarget->currentBatchTracker(), init); |
| 1007 | 985 |
| 1008 { | 986 { |
| 1009 GrDrawTarget::DrawInfo info; | 987 GrDrawTarget::DrawInfo info; |
| 1010 info.setVertexBuffer(vertexBuffer); | 988 info.setVertexBuffer(vertexBuffer); |
| 1011 info.setIndexBuffer(fQuadsIndexBuffer); | 989 info.setIndexBuffer(quadsIndexBuffer); |
| 1012 info.setPrimitiveType(kTriangles_GrPrimitiveType); | 990 info.setPrimitiveType(kTriangles_GrPrimitiveType); |
| 1013 info.setStartIndex(0); | 991 info.setStartIndex(0); |
| 1014 | 992 |
| 1015 int conics = 0; | 993 int conics = 0; |
| 1016 while (conics < conicCount) { | 994 while (conics < conicCount) { |
| 1017 int n = SkTMin(conicCount - conics, kQuadsNumInIdxBuffer); | 995 int n = SkTMin(conicCount - conics, kQuadsNumInIdxBuffer); |
| 1018 | 996 |
| 1019 info.setStartVertex(kQuadNumVertices*(quadCount + conics) + firstVertex); | 997 info.setStartVertex(kQuadNumVertices*(quadCount + conics) + firstVertex); |
| 1020 info.setVertexCount(kQuadNumVertices*n); | 998 info.setVertexCount(kQuadNumVertices*n); |
| 1021 info.setIndexCount(kIdxsPerQuad*n); | 999 info.setIndexCount(kIdxsPerQuad*n); |
| 1022 batchTarget->draw(info); | 1000 batchTarget->draw(info); |
| 1023 | 1001 |
| 1024 conics += n; | 1002 conics += n; |
| 1025 } | 1003 } |
| 1026 } | 1004 } |
| 1027 } | 1005 } |
| 1028 } | 1006 } |
| 1029 } | 1007 } |
| 1030 | 1008 |
| 1031 bool GrAAHairLinePathRenderer::onDrawPath(GrDrawTarget* target, | 1009 bool GrAAHairLinePathRenderer::onDrawPath(GrDrawTarget* target, |
| 1032 GrPipelineBuilder* pipelineBuilder, | 1010 GrPipelineBuilder* pipelineBuilder, |
| 1033 GrColor color, | 1011 GrColor color, |
| 1034 const SkMatrix& viewMatrix, | 1012 const SkMatrix& viewMatrix, |
| 1035 const SkPath& path, | 1013 const SkPath& path, |
| 1036 const GrStrokeInfo& stroke, | 1014 const GrStrokeInfo& stroke, |
| 1037 bool) { | 1015 bool) { |
| 1038 if (!fLinesIndexBuffer || !fQuadsIndexBuffer) { | |
| 1039 SkDebugf("unable to allocate indices\n"); | |
| 1040 return false; | |
| 1041 } | |
| 1042 | |
| 1043 SkScalar hairlineCoverage; | 1016 SkScalar hairlineCoverage; |
| 1044 uint8_t newCoverage = 0xff; | 1017 uint8_t newCoverage = 0xff; |
| 1045 if (IsStrokeHairlineOrEquivalent(stroke, viewMatrix, &hairlineCoverage)) { | 1018 if (IsStrokeHairlineOrEquivalent(stroke, viewMatrix, &hairlineCoverage)) { |
| 1046 newCoverage = SkScalarRoundToInt(hairlineCoverage * 0xff); | 1019 newCoverage = SkScalarRoundToInt(hairlineCoverage * 0xff); |
| 1047 } | 1020 } |
| 1048 | 1021 |
| 1049 SkIRect devClipBounds; | 1022 SkIRect devClipBounds; |
| 1050 pipelineBuilder->clip().getConservativeBounds(pipelineBuilder->getRenderTarg et(), | 1023 pipelineBuilder->clip().getConservativeBounds(pipelineBuilder->getRenderTarg et(), |
| 1051 &devClipBounds); | 1024 &devClipBounds); |
| 1052 | 1025 |
| 1053 AAHairlineBatch::Geometry geometry; | 1026 AAHairlineBatch::Geometry geometry; |
| 1054 geometry.fColor = color; | 1027 geometry.fColor = color; |
| 1055 geometry.fCoverage = newCoverage; | 1028 geometry.fCoverage = newCoverage; |
| 1056 geometry.fViewMatrix = viewMatrix; | 1029 geometry.fViewMatrix = viewMatrix; |
| 1057 geometry.fPath = path; | 1030 geometry.fPath = path; |
| 1058 geometry.fDevClipBounds = devClipBounds; | 1031 geometry.fDevClipBounds = devClipBounds; |
| 1059 | 1032 |
| 1060 SkAutoTUnref<GrBatch> batch(AAHairlineBatch::Create(geometry, fLinesIndexBuf fer, | 1033 SkAutoTUnref<GrBatch> batch(AAHairlineBatch::Create(geometry)); |
| 1061 fQuadsIndexBuffer)); | |
| 1062 target->drawBatch(pipelineBuilder, batch); | 1034 target->drawBatch(pipelineBuilder, batch); |
| 1063 | 1035 |
| 1064 return true; | 1036 return true; |
| 1065 } | 1037 } |
| OLD | NEW |