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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 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 "GrDistanceFieldTextContext.h" | 8 #include "GrDistanceFieldTextContext.h" |
9 #include "GrAtlas.h" | 9 #include "GrAtlas.h" |
10 #include "SkColorFilter.h" | 10 #include "SkColorFilter.h" |
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335 } | 335 } |
336 | 336 |
337 bool useColorVerts = !fUseLCDText; | 337 bool useColorVerts = !fUseLCDText; |
338 | 338 |
339 if (NULL == fVertices) { | 339 if (NULL == fVertices) { |
340 // If we need to reserve vertices allow the draw target to suggest | 340 // If we need to reserve vertices allow the draw target to suggest |
341 // a number of verts to reserve and whether to perform a flush. | 341 // a number of verts to reserve and whether to perform a flush. |
342 fMaxVertices = kMinRequestedVerts; | 342 fMaxVertices = kMinRequestedVerts; |
343 if (useColorVerts) { | 343 if (useColorVerts) { |
344 fDrawTarget->drawState()->setVertexAttribs<gTextVertexWithColorAttri
bs>( | 344 fDrawTarget->drawState()->setVertexAttribs<gTextVertexWithColorAttri
bs>( |
345 SK_ARRAY_COUNT(gTextVertexWi
thColorAttribs)); | 345 SK_ARRAY_COUNT(gTextVertexWi
thColorAttribs), |
| 346 2 * sizeof(SkPoint) + sizeof
(GrColor)); |
346 } else { | 347 } else { |
347 fDrawTarget->drawState()->setVertexAttribs<gTextVertexAttribs>( | 348 fDrawTarget->drawState()->setVertexAttribs<gTextVertexAttribs>( |
348 SK_ARRAY_COUNT(gTextVertexAt
tribs)); | 349 SK_ARRAY_COUNT(gTextVertexAt
tribs), |
| 350 2 * sizeof(SkPoint)); |
349 } | 351 } |
350 bool flush = fDrawTarget->geometryHints(&fMaxVertices, NULL); | 352 bool flush = fDrawTarget->geometryHints(&fMaxVertices, NULL); |
351 if (flush) { | 353 if (flush) { |
352 this->flushGlyphs(); | 354 this->flushGlyphs(); |
353 fContext->flush(); | 355 fContext->flush(); |
354 if (useColorVerts) { | 356 if (useColorVerts) { |
355 fDrawTarget->drawState()->setVertexAttribs<gTextVertexWithColorA
ttribs>( | 357 fDrawTarget->drawState()->setVertexAttribs<gTextVertexWithColorA
ttribs>( |
356 SK_ARRAY_COUNT(gTextVertexWi
thColorAttribs)); | 358 SK_ARRAY_COUNT(gTextVertexWi
thColorAttribs), |
| 359 2 * sizeof(SkPoint) + sizeof
(GrColor)); |
357 } else { | 360 } else { |
358 fDrawTarget->drawState()->setVertexAttribs<gTextVertexAttribs>( | 361 fDrawTarget->drawState()->setVertexAttribs<gTextVertexAttribs>( |
359 SK_ARRAY_COUNT(gTextVertexAt
tribs)); | 362 SK_ARRAY_COUNT(gTextVertexAt
tribs), |
| 363 2 * sizeof(SkPoint)); |
360 } | 364 } |
361 } | 365 } |
362 fMaxVertices = kDefaultRequestedVerts; | 366 fMaxVertices = kDefaultRequestedVerts; |
363 // ignore return, no point in flushing again. | 367 // ignore return, no point in flushing again. |
364 fDrawTarget->geometryHints(&fMaxVertices, NULL); | 368 fDrawTarget->geometryHints(&fMaxVertices, NULL); |
365 | 369 |
366 int maxQuadVertices = 4 * fContext->getQuadIndexBuffer()->maxQuads(); | 370 int maxQuadVertices = 4 * fContext->getQuadIndexBuffer()->maxQuads(); |
367 if (fMaxVertices < kMinRequestedVerts) { | 371 if (fMaxVertices < kMinRequestedVerts) { |
368 fMaxVertices = kDefaultRequestedVerts; | 372 fMaxVertices = kDefaultRequestedVerts; |
369 } else if (fMaxVertices > maxQuadVertices) { | 373 } else if (fMaxVertices > maxQuadVertices) { |
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399 r.fLeft = sx; | 403 r.fLeft = sx; |
400 r.fTop = sy; | 404 r.fTop = sy; |
401 r.fRight = sx + width; | 405 r.fRight = sx + width; |
402 r.fBottom = sy + height; | 406 r.fBottom = sy + height; |
403 | 407 |
404 fVertexBounds.growToInclude(r); | 408 fVertexBounds.growToInclude(r); |
405 | 409 |
406 size_t vertSize = fUseLCDText ? (2 * sizeof(SkPoint)) | 410 size_t vertSize = fUseLCDText ? (2 * sizeof(SkPoint)) |
407 : (2 * sizeof(SkPoint) + sizeof(GrColor)); | 411 : (2 * sizeof(SkPoint) + sizeof(GrColor)); |
408 | 412 |
409 SkASSERT(vertSize == fDrawTarget->getDrawState().getVertexSize()); | 413 SkASSERT(vertSize == fDrawTarget->getDrawState().getVertexStride()); |
410 | 414 |
411 SkPoint* positions = reinterpret_cast<SkPoint*>( | 415 SkPoint* positions = reinterpret_cast<SkPoint*>( |
412 reinterpret_cast<intptr_t>(fVertices) + vertSize * fCurrVertex); | 416 reinterpret_cast<intptr_t>(fVertices) + vertSize * fCurrVertex); |
413 positions->setRectFan(r.fLeft, r.fTop, r.fRight, r.fBottom, vertSize); | 417 positions->setRectFan(r.fLeft, r.fTop, r.fRight, r.fBottom, vertSize); |
414 | 418 |
415 // The texture coords are last in both the with and without color vertex lay
outs. | 419 // The texture coords are last in both the with and without color vertex lay
outs. |
416 SkPoint* textureCoords = reinterpret_cast<SkPoint*>( | 420 SkPoint* textureCoords = reinterpret_cast<SkPoint*>( |
417 reinterpret_cast<intptr_t>(positions) + vertSize - sizeof(SkPoint))
; | 421 reinterpret_cast<intptr_t>(positions) + vertSize - sizeof(SkPoint))
; |
418 textureCoords->setRectFan(SkFixedToFloat(texture->normalizeFixedX(tx)), | 422 textureCoords->setRectFan(SkFixedToFloat(texture->normalizeFixedX(tx)), |
419 SkFixedToFloat(texture->normalizeFixedY(ty)), | 423 SkFixedToFloat(texture->normalizeFixedY(ty)), |
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644 SkScalarToFixed(x) - (glyph.fAdvanceX >> a
lignShift), | 648 SkScalarToFixed(x) - (glyph.fAdvanceX >> a
lignShift), |
645 SkScalarToFixed(y) - (glyph.fAdvanceY >> a
lignShift), | 649 SkScalarToFixed(y) - (glyph.fAdvanceY >> a
lignShift), |
646 fontScaler); | 650 fontScaler); |
647 } | 651 } |
648 pos += scalarsPerPosition; | 652 pos += scalarsPerPosition; |
649 } | 653 } |
650 } | 654 } |
651 | 655 |
652 this->finish(); | 656 this->finish(); |
653 } | 657 } |
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