OLD | NEW |
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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 "GrBitmapTextContext.h" | 8 #include "GrBitmapTextContext.h" |
9 #include "GrAtlas.h" | 9 #include "GrAtlas.h" |
10 #include "GrDrawTarget.h" | 10 #include "GrDrawTarget.h" |
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44 extern const GrVertexAttrib gTextVertexWithColorAttribs[] = { | 44 extern const GrVertexAttrib gTextVertexWithColorAttribs[] = { |
45 {kVec2f_GrVertexAttribType, 0, kPosition_Gr VertexAttribBinding}, | 45 {kVec2f_GrVertexAttribType, 0, kPosition_Gr VertexAttribBinding}, |
46 {kVec4ub_GrVertexAttribType, sizeof(SkPoint), kColor_GrVer texAttribBinding}, | 46 {kVec4ub_GrVertexAttribType, sizeof(SkPoint), kColor_GrVer texAttribBinding}, |
47 {kVec2f_GrVertexAttribType, sizeof(SkPoint) + sizeof(GrColor), kEffect_GrVe rtexAttribBinding} | 47 {kVec2f_GrVertexAttribType, sizeof(SkPoint) + sizeof(GrColor), kEffect_GrVe rtexAttribBinding} |
48 }; | 48 }; |
49 | 49 |
50 }; | 50 }; |
51 | 51 |
52 GrBitmapTextContext::GrBitmapTextContext(GrContext* context, | 52 GrBitmapTextContext::GrBitmapTextContext(GrContext* context, |
53 const SkDeviceProperties& properties) | 53 const SkDeviceProperties& properties) |
54 : GrTextContext(context, properties) { | 54 : GrTextContext(context, properties) |
55 fStrike = NULL; | 55 , fStrike(NULL) |
56 | 56 , fEffectTextureUniqueID(SK_InvalidUnique ID) |
57 fCurrTexture = NULL; | 57 , fVertices(NULL) |
58 fCurrVertex = 0; | 58 , fVertexCount(0) |
59 fEffectTextureUniqueID = SK_InvalidUniqueID; | 59 , fCurrVertex(0) { |
60 | |
61 fVertices = NULL; | |
62 fMaxVertices = 0; | |
63 | |
64 fVertexBounds.setLargestInverted(); | 60 fVertexBounds.setLargestInverted(); |
65 } | 61 } |
66 | 62 |
67 GrBitmapTextContext::~GrBitmapTextContext() { | 63 GrBitmapTextContext::~GrBitmapTextContext() { |
68 this->flushGlyphs(); | 64 this->flushGlyphs(); |
69 } | 65 } |
70 | 66 |
71 bool GrBitmapTextContext::canDraw(const SkPaint& paint) { | 67 bool GrBitmapTextContext::canDraw(const SkPaint& paint) { |
72 return !SkDraw::ShouldDrawTextAsPaths(paint, fContext->getMatrix()); | 68 return !SkDraw::ShouldDrawTextAsPaths(paint, fContext->getMatrix()); |
73 } | 69 } |
(...skipping 10 matching lines...) Expand all Loading... | |
84 return; | 80 return; |
85 } | 81 } |
86 | 82 |
87 GrDrawState* drawState = fDrawTarget->drawState(); | 83 GrDrawState* drawState = fDrawTarget->drawState(); |
88 GrDrawState::AutoRestoreEffects are(drawState); | 84 GrDrawState::AutoRestoreEffects are(drawState); |
89 drawState->setFromPaint(fPaint, SkMatrix::I(), fContext->getRenderTarget()); | 85 drawState->setFromPaint(fPaint, SkMatrix::I(), fContext->getRenderTarget()); |
90 | 86 |
91 if (fCurrVertex > 0) { | 87 if (fCurrVertex > 0) { |
92 // setup our sampler state for our text texture/atlas | 88 // setup our sampler state for our text texture/atlas |
93 SkASSERT(SkIsAlign4(fCurrVertex)); | 89 SkASSERT(SkIsAlign4(fCurrVertex)); |
94 SkASSERT(fCurrTexture); | |
95 GrTextureParams params(SkShader::kRepeat_TileMode, GrTextureParams::kNon e_FilterMode); | 90 GrTextureParams params(SkShader::kRepeat_TileMode, GrTextureParams::kNon e_FilterMode); |
96 | 91 |
97 uint32_t textureUniqueID = fCurrTexture->getUniqueID(); | 92 GrTexture* currTexture = fStrike->getTexture(); |
93 SkASSERT(currTexture); | |
94 uint32_t textureUniqueID = currTexture->getUniqueID(); | |
98 | 95 |
99 if (textureUniqueID != fEffectTextureUniqueID) { | 96 if (textureUniqueID != fEffectTextureUniqueID) { |
100 fCachedEffect.reset(GrCustomCoordsTextureEffect::Create(fCurrTexture , params)); | 97 fCachedEffect.reset(GrCustomCoordsTextureEffect::Create(currTexture, params)); |
101 fEffectTextureUniqueID = textureUniqueID; | 98 fEffectTextureUniqueID = textureUniqueID; |
102 } | 99 } |
103 | 100 |
104 // This effect could be stored with one of the cache objects (atlas?) | 101 // This effect could be stored with one of the cache objects (atlas?) |
105 int coordsIdx = drawState->hasColorVertexAttribute() ? kGlyphCoordsWithC olorAttributeIndex : | 102 int coordsIdx = drawState->hasColorVertexAttribute() ? kGlyphCoordsWithC olorAttributeIndex : |
106 kGlyphCoordsNoCol orAttributeIndex; | 103 kGlyphCoordsNoCol orAttributeIndex; |
107 drawState->addCoverageEffect(fCachedEffect.get(), coordsIdx); | 104 drawState->addCoverageEffect(fCachedEffect.get(), coordsIdx); |
108 SkASSERT(NULL != fStrike); | 105 SkASSERT(NULL != fStrike); |
109 switch (fStrike->getMaskFormat()) { | 106 switch (fStrike->getMaskFormat()) { |
110 // Color bitmap text | 107 // Color bitmap text |
(...skipping 31 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
142 SkASSERT(drawState->hasColorVertexAttribute()); | 139 SkASSERT(drawState->hasColorVertexAttribute()); |
143 break; | 140 break; |
144 default: | 141 default: |
145 SkFAIL("Unexepected mask format."); | 142 SkFAIL("Unexepected mask format."); |
146 } | 143 } |
147 int nGlyphs = fCurrVertex / 4; | 144 int nGlyphs = fCurrVertex / 4; |
148 fDrawTarget->setIndexSourceToBuffer(fContext->getQuadIndexBuffer()); | 145 fDrawTarget->setIndexSourceToBuffer(fContext->getQuadIndexBuffer()); |
149 fDrawTarget->drawIndexedInstances(kTriangles_GrPrimitiveType, | 146 fDrawTarget->drawIndexedInstances(kTriangles_GrPrimitiveType, |
150 nGlyphs, | 147 nGlyphs, |
151 4, 6, &fVertexBounds); | 148 4, 6, &fVertexBounds); |
152 | 149 fVertexCount = 0; |
153 fDrawTarget->resetVertexSource(); | |
154 fVertices = NULL; | |
155 fMaxVertices = 0; | |
156 fCurrVertex = 0; | 150 fCurrVertex = 0; |
157 fVertexBounds.setLargestInverted(); | 151 fVertexBounds.setLargestInverted(); |
158 SkSafeSetNull(fCurrTexture); | |
159 } | 152 } |
153 | |
154 fDrawTarget->resetVertexSource(); | |
155 fVertices = NULL; | |
160 } | 156 } |
161 | 157 |
162 inline void GrBitmapTextContext::init(const GrPaint& paint, const SkPaint& skPai nt) { | 158 inline void GrBitmapTextContext::init(const GrPaint& paint, const SkPaint& skPai nt) { |
163 GrTextContext::init(paint, skPaint); | 159 GrTextContext::init(paint, skPaint); |
164 | 160 |
165 fStrike = NULL; | 161 fStrike = NULL; |
166 | 162 |
167 fCurrTexture = NULL; | 163 fVertices = NULL; |
164 fVertexCount = 0; | |
168 fCurrVertex = 0; | 165 fCurrVertex = 0; |
169 | |
170 fVertices = NULL; | |
171 fMaxVertices = 0; | |
172 } | 166 } |
173 | 167 |
174 inline void GrBitmapTextContext::finish() { | 168 inline void GrBitmapTextContext::finish() { |
175 this->flushGlyphs(); | 169 this->flushGlyphs(); |
176 | 170 |
177 GrTextContext::finish(); | 171 GrTextContext::finish(); |
178 } | 172 } |
179 | 173 |
174 void GrBitmapTextContext::allocateVertices(const char text[], size_t byteLength) { | |
175 SkASSERT(NULL == fVertices); | |
176 bool useColorVerts = kA8_GrMaskFormat == fStrike->getMaskFormat(); | |
177 if (useColorVerts) { | |
178 fDrawTarget->drawState()->setVertexAttribs<gTextVertexWithColorAttribs>( | |
179 SK_ARRAY_COUNT(gTextVertexWi thColorAttribs)); | |
180 } else { | |
181 fDrawTarget->drawState()->setVertexAttribs<gTextVertexAttribs>( | |
182 SK_ARRAY_COUNT(gTextVertexAt tribs)); | |
183 } | |
184 fVertexCount = 4*fSkPaint.textToGlyphs(text, byteLength, NULL); | |
185 bool success = fDrawTarget->reserveVertexAndIndexSpace(fVertexCount, | |
186 0, | |
187 &fVertices, | |
188 NULL); | |
189 GrAlwaysAssert(success); | |
190 } | |
191 | |
180 void GrBitmapTextContext::drawText(const GrPaint& paint, const SkPaint& skPaint, | 192 void GrBitmapTextContext::drawText(const GrPaint& paint, const SkPaint& skPaint, |
181 const char text[], size_t byteLength, | 193 const char text[], size_t byteLength, |
182 SkScalar x, SkScalar y) { | 194 SkScalar x, SkScalar y) { |
183 SkASSERT(byteLength == 0 || text != NULL); | 195 SkASSERT(byteLength == 0 || text != NULL); |
184 | 196 |
185 // nothing to draw | 197 // nothing to draw |
186 if (text == NULL || byteLength == 0 /*|| fRC->isEmpty()*/) { | 198 if (text == NULL || byteLength == 0 /*|| fRC->isEmpty()*/) { |
187 return; | 199 return; |
188 } | 200 } |
189 | 201 |
190 this->init(paint, skPaint); | 202 this->init(paint, skPaint); |
203 | |
204 if (NULL == fDrawTarget) { | |
205 return; | |
206 } | |
191 | 207 |
192 SkDrawCacheProc glyphCacheProc = fSkPaint.getDrawCacheProc(); | 208 SkDrawCacheProc glyphCacheProc = fSkPaint.getDrawCacheProc(); |
193 | 209 |
194 SkAutoGlyphCache autoCache(fSkPaint, &fDeviceProperties, &fContext->getMa trix()); | 210 SkAutoGlyphCache autoCache(fSkPaint, &fDeviceProperties, &fContext->getMa trix()); |
195 SkGlyphCache* cache = autoCache.getCache(); | 211 SkGlyphCache* cache = autoCache.getCache(); |
196 GrFontScaler* fontScaler = GetGrFontScaler(cache); | 212 GrFontScaler* fontScaler = GetGrFontScaler(cache); |
197 | 213 if (NULL == fStrike) { |
214 fStrike = fContext->getFontCache()->getStrike(fontScaler, false); | |
215 } | |
216 | |
198 // transform our starting point | 217 // transform our starting point |
199 { | 218 { |
200 SkPoint loc; | 219 SkPoint loc; |
201 fContext->getMatrix().mapXY(x, y, &loc); | 220 fContext->getMatrix().mapXY(x, y, &loc); |
202 x = loc.fX; | 221 x = loc.fX; |
203 y = loc.fY; | 222 y = loc.fY; |
204 } | 223 } |
205 | 224 |
206 // need to measure first | 225 // need to measure first |
207 if (fSkPaint.getTextAlign() != SkPaint::kLeft_Align) { | 226 if (fSkPaint.getTextAlign() != SkPaint::kLeft_Align) { |
208 SkVector stop; | 227 SkVector stop; |
209 | 228 |
210 MeasureText(cache, glyphCacheProc, text, byteLength, &stop); | 229 MeasureText(cache, glyphCacheProc, text, byteLength, &stop); |
211 | 230 |
212 SkScalar stopX = stop.fX; | 231 SkScalar stopX = stop.fX; |
213 SkScalar stopY = stop.fY; | 232 SkScalar stopY = stop.fY; |
214 | 233 |
215 if (fSkPaint.getTextAlign() == SkPaint::kCenter_Align) { | 234 if (fSkPaint.getTextAlign() == SkPaint::kCenter_Align) { |
216 stopX = SkScalarHalf(stopX); | 235 stopX = SkScalarHalf(stopX); |
217 stopY = SkScalarHalf(stopY); | 236 stopY = SkScalarHalf(stopY); |
218 } | 237 } |
219 x -= stopX; | 238 x -= stopX; |
220 y -= stopY; | 239 y -= stopY; |
221 } | 240 } |
222 | 241 |
223 const char* stop = text + byteLength; | 242 const char* stop = text + byteLength; |
224 | 243 |
225 SkAutoKern autokern; | 244 allocateVertices(text, byteLength); |
226 | 245 |
227 SkFixed fxMask = ~0; | 246 SkFixed fxMask = ~0; |
228 SkFixed fyMask = ~0; | 247 SkFixed fyMask = ~0; |
229 SkFixed halfSampleX, halfSampleY; | 248 SkFixed halfSampleX, halfSampleY; |
230 if (cache->isSubpixel()) { | 249 if (cache->isSubpixel()) { |
231 halfSampleX = halfSampleY = (SK_FixedHalf >> SkGlyph::kSubBits); | 250 halfSampleX = halfSampleY = (SK_FixedHalf >> SkGlyph::kSubBits); |
232 SkAxisAlignment baseline = SkComputeAxisAlignmentForHText(fContext->getM atrix()); | 251 SkAxisAlignment baseline = SkComputeAxisAlignmentForHText(fContext->getM atrix()); |
233 if (kX_SkAxisAlignment == baseline) { | 252 if (kX_SkAxisAlignment == baseline) { |
234 fyMask = 0; | 253 fyMask = 0; |
235 halfSampleY = SK_FixedHalf; | 254 halfSampleY = SK_FixedHalf; |
236 } else if (kY_SkAxisAlignment == baseline) { | 255 } else if (kY_SkAxisAlignment == baseline) { |
237 fxMask = 0; | 256 fxMask = 0; |
238 halfSampleX = SK_FixedHalf; | 257 halfSampleX = SK_FixedHalf; |
239 } | 258 } |
240 } else { | 259 } else { |
241 halfSampleX = halfSampleY = SK_FixedHalf; | 260 halfSampleX = halfSampleY = SK_FixedHalf; |
242 } | 261 } |
243 | 262 |
244 SkFixed fx = SkScalarToFixed(x) + halfSampleX; | 263 SkFixed fx = SkScalarToFixed(x) + halfSampleX; |
245 SkFixed fy = SkScalarToFixed(y) + halfSampleY; | 264 SkFixed fy = SkScalarToFixed(y) + halfSampleY; |
246 | 265 |
247 GrContext::AutoMatrix autoMatrix; | 266 GrContext::AutoMatrix autoMatrix; |
248 autoMatrix.setIdentity(fContext, &fPaint); | 267 autoMatrix.setIdentity(fContext, &fPaint); |
249 | 268 |
269 SkAutoKern autokern; | |
bsalomon
2014/08/27 14:32:00
What be this?
jvanverth1
2014/08/27 15:09:35
It's used in the loop below to adjust the horizont
| |
250 while (text < stop) { | 270 while (text < stop) { |
251 const SkGlyph& glyph = glyphCacheProc(cache, &text, fx & fxMask, fy & fy Mask); | 271 const SkGlyph& glyph = glyphCacheProc(cache, &text, fx & fxMask, fy & fy Mask); |
252 | 272 |
253 fx += autokern.adjust(glyph); | 273 fx += autokern.adjust(glyph); |
254 | 274 |
255 if (glyph.fWidth) { | 275 if (glyph.fWidth) { |
256 this->drawPackedGlyph(GrGlyph::Pack(glyph.getGlyphID(), | 276 this->drawPackedGlyph(GrGlyph::Pack(glyph.getGlyphID(), |
257 glyph.getSubXFixed(), | 277 glyph.getSubXFixed(), |
258 glyph.getSubYFixed()), | 278 glyph.getSubYFixed()), |
259 SkFixedFloorToFixed(fx), | 279 SkFixedFloorToFixed(fx), |
(...skipping 15 matching lines...) Expand all Loading... | |
275 SkASSERT(byteLength == 0 || text != NULL); | 295 SkASSERT(byteLength == 0 || text != NULL); |
276 SkASSERT(1 == scalarsPerPosition || 2 == scalarsPerPosition); | 296 SkASSERT(1 == scalarsPerPosition || 2 == scalarsPerPosition); |
277 | 297 |
278 // nothing to draw | 298 // nothing to draw |
279 if (text == NULL || byteLength == 0/* || fRC->isEmpty()*/) { | 299 if (text == NULL || byteLength == 0/* || fRC->isEmpty()*/) { |
280 return; | 300 return; |
281 } | 301 } |
282 | 302 |
283 this->init(paint, skPaint); | 303 this->init(paint, skPaint); |
284 | 304 |
305 if (NULL == fDrawTarget) { | |
306 return; | |
307 } | |
308 | |
285 SkDrawCacheProc glyphCacheProc = fSkPaint.getDrawCacheProc(); | 309 SkDrawCacheProc glyphCacheProc = fSkPaint.getDrawCacheProc(); |
286 | 310 |
287 SkAutoGlyphCache autoCache(fSkPaint, &fDeviceProperties, &fContext->getMa trix()); | 311 SkAutoGlyphCache autoCache(fSkPaint, &fDeviceProperties, &fContext->getMa trix()); |
288 SkGlyphCache* cache = autoCache.getCache(); | 312 SkGlyphCache* cache = autoCache.getCache(); |
289 GrFontScaler* fontScaler = GetGrFontScaler(cache); | 313 GrFontScaler* fontScaler = GetGrFontScaler(cache); |
314 if (NULL == fStrike) { | |
315 fStrike = fContext->getFontCache()->getStrike(fontScaler, false); | |
316 } | |
290 | 317 |
291 // store original matrix before we reset, so we can use it to transform posi tions | 318 // store original matrix before we reset, so we can use it to transform posi tions |
292 SkMatrix ctm = fContext->getMatrix(); | 319 SkMatrix ctm = fContext->getMatrix(); |
293 GrContext::AutoMatrix autoMatrix; | 320 GrContext::AutoMatrix autoMatrix; |
294 autoMatrix.setIdentity(fContext, &fPaint); | 321 autoMatrix.setIdentity(fContext, &fPaint); |
295 | 322 |
323 allocateVertices(text, byteLength); | |
bsalomon
2014/08/27 14:32:00
this->
jvanverth1
2014/08/27 15:31:57
Done.
| |
324 | |
296 const char* stop = text + byteLength; | 325 const char* stop = text + byteLength; |
297 SkTextAlignProc alignProc(fSkPaint.getTextAlign()); | 326 SkTextAlignProc alignProc(fSkPaint.getTextAlign()); |
298 SkTextMapStateProc tmsProc(ctm, constY, scalarsPerPosition); | 327 SkTextMapStateProc tmsProc(ctm, constY, scalarsPerPosition); |
299 SkFixed halfSampleX = 0, halfSampleY = 0; | 328 SkFixed halfSampleX = 0, halfSampleY = 0; |
300 | 329 |
301 if (cache->isSubpixel()) { | 330 if (cache->isSubpixel()) { |
302 // maybe we should skip the rounding if linearText is set | 331 // maybe we should skip the rounding if linearText is set |
303 SkAxisAlignment baseline = SkComputeAxisAlignmentForHText(ctm); | 332 SkAxisAlignment baseline = SkComputeAxisAlignmentForHText(ctm); |
304 | 333 |
305 SkFixed fxMask = ~0; | 334 SkFixed fxMask = ~0; |
(...skipping 111 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
417 } | 446 } |
418 } | 447 } |
419 } | 448 } |
420 | 449 |
421 this->finish(); | 450 this->finish(); |
422 } | 451 } |
423 | 452 |
424 void GrBitmapTextContext::drawPackedGlyph(GrGlyph::PackedID packed, | 453 void GrBitmapTextContext::drawPackedGlyph(GrGlyph::PackedID packed, |
425 SkFixed vx, SkFixed vy, | 454 SkFixed vx, SkFixed vy, |
426 GrFontScaler* scaler) { | 455 GrFontScaler* scaler) { |
427 if (NULL == fDrawTarget) { | |
428 return; | |
429 } | |
430 | |
431 if (NULL == fStrike) { | |
432 fStrike = fContext->getFontCache()->getStrike(scaler, false); | |
433 } | |
434 | |
435 GrGlyph* glyph = fStrike->getGlyph(packed, scaler); | 456 GrGlyph* glyph = fStrike->getGlyph(packed, scaler); |
436 if (NULL == glyph || glyph->fBounds.isEmpty()) { | 457 if (NULL == glyph || glyph->fBounds.isEmpty()) { |
437 return; | 458 return; |
438 } | 459 } |
439 | 460 |
440 vx += SkIntToFixed(glyph->fBounds.fLeft); | 461 vx += SkIntToFixed(glyph->fBounds.fLeft); |
441 vy += SkIntToFixed(glyph->fBounds.fTop); | 462 vy += SkIntToFixed(glyph->fBounds.fTop); |
442 | 463 |
443 // keep them as ints until we've done the clip-test | 464 // keep them as ints until we've done the clip-test |
444 SkFixed width = glyph->fBounds.width(); | 465 SkFixed width = glyph->fBounds.width(); |
(...skipping 20 matching lines...) Expand all Loading... | |
465 goto HAS_ATLAS; | 486 goto HAS_ATLAS; |
466 } | 487 } |
467 | 488 |
468 if (c_DumpFontCache) { | 489 if (c_DumpFontCache) { |
469 #ifdef SK_DEVELOPER | 490 #ifdef SK_DEVELOPER |
470 fContext->getFontCache()->dump(); | 491 fContext->getFontCache()->dump(); |
471 #endif | 492 #endif |
472 } | 493 } |
473 | 494 |
474 // flush any accumulated draws to allow us to free up a plot | 495 // flush any accumulated draws to allow us to free up a plot |
496 int remainingVertexCount = fVertexCount - fCurrVertex; | |
475 this->flushGlyphs(); | 497 this->flushGlyphs(); |
476 fContext->flush(); | 498 fContext->flush(); |
477 | 499 |
500 // need to reallocate the vertex buffer for the remaining glyphs | |
501 fVertexCount = remainingVertexCount; | |
502 bool success = fDrawTarget->reserveVertexAndIndexSpace(fVertexCount, | |
503 0, | |
504 &fVertices, | |
505 NULL); | |
506 GrAlwaysAssert(success); | |
507 | |
478 // we should have an unused plot now | 508 // we should have an unused plot now |
479 if (fContext->getFontCache()->freeUnusedPlot(fStrike) && | 509 if (fContext->getFontCache()->freeUnusedPlot(fStrike) && |
480 fStrike->addGlyphToAtlas(glyph, scaler)) { | 510 fStrike->addGlyphToAtlas(glyph, scaler)) { |
481 goto HAS_ATLAS; | 511 goto HAS_ATLAS; |
482 } | 512 } |
483 | 513 |
484 if (NULL == glyph->fPath) { | 514 if (NULL == glyph->fPath) { |
485 SkPath* path = SkNEW(SkPath); | 515 SkPath* path = SkNEW(SkPath); |
486 if (!scaler->getGlyphPath(glyph->glyphID(), path)) { | 516 if (!scaler->getGlyphPath(glyph->glyphID(), path)) { |
487 // flag the glyph as being dead? | 517 // flag the glyph as being dead? |
(...skipping 19 matching lines...) Expand all Loading... | |
507 GrDrawTarget::DrawToken drawToken = fDrawTarget->getCurrentDrawToken(); | 537 GrDrawTarget::DrawToken drawToken = fDrawTarget->getCurrentDrawToken(); |
508 glyph->fPlot->setDrawToken(drawToken); | 538 glyph->fPlot->setDrawToken(drawToken); |
509 | 539 |
510 // now promote them to fixed (TODO: Rethink using fixed pt). | 540 // now promote them to fixed (TODO: Rethink using fixed pt). |
511 width = SkIntToFixed(width); | 541 width = SkIntToFixed(width); |
512 height = SkIntToFixed(height); | 542 height = SkIntToFixed(height); |
513 | 543 |
514 GrTexture* texture = glyph->fPlot->texture(); | 544 GrTexture* texture = glyph->fPlot->texture(); |
515 SkASSERT(texture); | 545 SkASSERT(texture); |
516 | 546 |
517 if (fCurrTexture != texture || fCurrVertex + 4 > fMaxVertices) { | |
518 this->flushGlyphs(); | |
519 fCurrTexture = texture; | |
520 fCurrTexture->ref(); | |
521 } | |
522 | |
523 bool useColorVerts = kA8_GrMaskFormat == fStrike->getMaskFormat(); | |
524 | |
525 if (NULL == fVertices) { | |
526 // If we need to reserve vertices allow the draw target to suggest | |
527 // a number of verts to reserve and whether to perform a flush. | |
528 fMaxVertices = kMinRequestedVerts; | |
529 if (useColorVerts) { | |
530 fDrawTarget->drawState()->setVertexAttribs<gTextVertexWithColorAttri bs>( | |
531 SK_ARRAY_COUNT(gTextVertexWithColorAttribs)); | |
532 } else { | |
533 fDrawTarget->drawState()->setVertexAttribs<gTextVertexAttribs>( | |
534 SK_ARRAY_COUNT(gTextVertexAttribs)); | |
535 } | |
536 bool flush = fDrawTarget->geometryHints(&fMaxVertices, NULL); | |
537 if (flush) { | |
538 this->flushGlyphs(); | |
539 fContext->flush(); | |
540 if (useColorVerts) { | |
541 fDrawTarget->drawState()->setVertexAttribs<gTextVertexWithColorA ttribs>( | |
542 SK_ARRAY_COUNT(gTextVertexWithColorAttribs)); | |
543 } else { | |
544 fDrawTarget->drawState()->setVertexAttribs<gTextVertexAttribs>( | |
545 SK_ARRAY_COUNT(gTextVertexAttribs)); | |
546 } | |
547 } | |
548 fMaxVertices = kDefaultRequestedVerts; | |
549 // ignore return, no point in flushing again. | |
550 fDrawTarget->geometryHints(&fMaxVertices, NULL); | |
551 | |
552 int maxQuadVertices = 4 * fContext->getQuadIndexBuffer()->maxQuads(); | |
553 if (fMaxVertices < kMinRequestedVerts) { | |
554 fMaxVertices = kDefaultRequestedVerts; | |
555 } else if (fMaxVertices > maxQuadVertices) { | |
556 // don't exceed the limit of the index buffer | |
557 fMaxVertices = maxQuadVertices; | |
558 } | |
559 bool success = fDrawTarget->reserveVertexAndIndexSpace(fMaxVertices, | |
560 0, | |
561 &fVertices, | |
562 NULL); | |
563 GrAlwaysAssert(success); | |
564 } | |
565 | |
566 SkFixed tx = SkIntToFixed(glyph->fAtlasLocation.fX); | 547 SkFixed tx = SkIntToFixed(glyph->fAtlasLocation.fX); |
567 SkFixed ty = SkIntToFixed(glyph->fAtlasLocation.fY); | 548 SkFixed ty = SkIntToFixed(glyph->fAtlasLocation.fY); |
568 | 549 |
569 SkRect r; | 550 SkRect r; |
570 r.fLeft = SkFixedToFloat(vx); | 551 r.fLeft = SkFixedToFloat(vx); |
571 r.fTop = SkFixedToFloat(vy); | 552 r.fTop = SkFixedToFloat(vy); |
572 r.fRight = SkFixedToFloat(vx + width); | 553 r.fRight = SkFixedToFloat(vx + width); |
573 r.fBottom = SkFixedToFloat(vy + height); | 554 r.fBottom = SkFixedToFloat(vy + height); |
574 | 555 |
575 fVertexBounds.growToInclude(r); | 556 fVertexBounds.growToInclude(r); |
576 | 557 |
558 bool useColorVerts = kA8_GrMaskFormat == fStrike->getMaskFormat(); | |
577 size_t vertSize = useColorVerts ? (2 * sizeof(SkPoint) + sizeof(GrColor)) : | 559 size_t vertSize = useColorVerts ? (2 * sizeof(SkPoint) + sizeof(GrColor)) : |
578 (2 * sizeof(SkPoint)); | 560 (2 * sizeof(SkPoint)); |
579 | 561 |
580 SkASSERT(vertSize == fDrawTarget->getDrawState().getVertexSize()); | 562 SkASSERT(vertSize == fDrawTarget->getDrawState().getVertexSize()); |
581 | 563 |
582 SkPoint* positions = reinterpret_cast<SkPoint*>( | 564 SkPoint* positions = reinterpret_cast<SkPoint*>( |
583 reinterpret_cast<intptr_t>(fVertices) + vertSize * fCurrVertex); | 565 reinterpret_cast<intptr_t>(fVertices) + vertSize * fCurrVertex); |
584 positions->setRectFan(r.fLeft, r.fTop, r.fRight, r.fBottom, vertSize); | 566 positions->setRectFan(r.fLeft, r.fTop, r.fRight, r.fBottom, vertSize); |
585 | 567 |
586 // The texture coords are last in both the with and without color vertex lay outs. | 568 // The texture coords are last in both the with and without color vertex lay outs. |
(...skipping 10 matching lines...) Expand all Loading... | |
597 } | 579 } |
598 // color comes after position. | 580 // color comes after position. |
599 GrColor* colors = reinterpret_cast<GrColor*>(positions + 1); | 581 GrColor* colors = reinterpret_cast<GrColor*>(positions + 1); |
600 for (int i = 0; i < 4; ++i) { | 582 for (int i = 0; i < 4; ++i) { |
601 *colors = fPaint.getColor(); | 583 *colors = fPaint.getColor(); |
602 colors = reinterpret_cast<GrColor*>(reinterpret_cast<intptr_t>(colors ) + vertSize); | 584 colors = reinterpret_cast<GrColor*>(reinterpret_cast<intptr_t>(colors ) + vertSize); |
603 } | 585 } |
604 } | 586 } |
605 fCurrVertex += 4; | 587 fCurrVertex += 4; |
606 } | 588 } |
OLD | NEW |