| /* | |
| * Copyright 2013 Google Inc. | |
| * | |
| * Use of this source code is governed by a BSD-style license that can be | |
| * found in the LICENSE file. | |
| */ | |
| #include "GrBitmapTextContext.h" | |
| #include "GrAtlas.h" | |
| #include "GrDrawTarget.h" | |
| #include "GrFontScaler.h" | |
| #include "GrIndexBuffer.h" | |
| #include "GrStrokeInfo.h" | |
| #include "GrTextStrike.h" | |
| #include "GrTextStrike_impl.h" | |
| #include "SkColorPriv.h" | |
| #include "SkPath.h" | |
| #include "SkRTConf.h" | |
| #include "SkStrokeRec.h" | |
| #include "effects/GrCustomCoordsTextureEffect.h" | |
| #include "SkAutoKern.h" | |
| #include "SkDraw.h" | |
| #include "SkDrawProcs.h" | |
| #include "SkGlyphCache.h" | |
| #include "SkGpuDevice.h" | |
| #include "SkGr.h" | |
| #include "SkTextMapStateProc.h" | |
| SK_CONF_DECLARE(bool, c_DumpFontCache, "gpu.dumpFontCache", false, | |
| "Dump the contents of the font cache before every purge."); | |
| static const int kGlyphCoordsNoColorAttributeIndex = 1; | |
| static const int kGlyphCoordsWithColorAttributeIndex = 2; | |
| namespace { | |
| // position + texture coord | |
| extern const GrVertexAttrib gTextVertexAttribs[] = { | |
| {kVec2f_GrVertexAttribType, 0, kPosition_GrVertexAttribBinding}, | |
| {kVec2f_GrVertexAttribType, sizeof(SkPoint) , kEffect_GrVertexAttribBinding} | |
| }; | |
| // position + color + texture coord | |
| extern const GrVertexAttrib gTextVertexWithColorAttribs[] = { | |
| {kVec2f_GrVertexAttribType, 0, kPosition_GrVertexAttribBinding}, | |
| {kVec4ub_GrVertexAttribType, sizeof(SkPoint), kColor_GrVertexAttribBinding}, | |
| {kVec2f_GrVertexAttribType, sizeof(SkPoint) + sizeof(GrColor), kEffect_GrVertexAttribBinding} | |
| }; | |
| }; | |
| GrBitmapTextContext::GrBitmapTextContext(GrContext* context, | |
| const SkDeviceProperties& properties) | |
| : GrTextContext(context, properties) { | |
| fStrike = NULL; | |
| fCurrTexture = NULL; | |
| fCurrVertex = 0; | |
| fEffectTextureUniqueID = SK_InvalidUniqueID; | |
| fVertices = NULL; | |
| fMaxVertices = 0; | |
| fVertexBounds.setLargestInverted(); | |
| } | |
| GrBitmapTextContext::~GrBitmapTextContext() { | |
| this->flushGlyphs(); | |
| } | |
| bool GrBitmapTextContext::canDraw(const SkPaint& paint) { | |
| return !SkDraw::ShouldDrawTextAsPaths(paint, fContext->getMatrix()); | |
| } | |
| static inline GrColor skcolor_to_grcolor_nopremultiply(SkColor c) { | |
| unsigned r = SkColorGetR(c); | |
| unsigned g = SkColorGetG(c); | |
| unsigned b = SkColorGetB(c); | |
| return GrColorPackRGBA(r, g, b, 0xff); | |
| } | |
| void GrBitmapTextContext::flushGlyphs() { | |
| if (NULL == fDrawTarget) { | |
| return; | |
| } | |
| GrDrawState* drawState = fDrawTarget->drawState(); | |
| GrDrawState::AutoRestoreEffects are(drawState); | |
| drawState->setFromPaint(fPaint, SkMatrix::I(), fContext->getRenderTarget()); | |
| if (fCurrVertex > 0) { | |
| // setup our sampler state for our text texture/atlas | |
| SkASSERT(SkIsAlign4(fCurrVertex)); | |
| SkASSERT(fCurrTexture); | |
| GrTextureParams params(SkShader::kRepeat_TileMode, GrTextureParams::kNone_FilterMode); | |
| uint32_t textureUniqueID = fCurrTexture->getUniqueID(); | |
| if (textureUniqueID != fEffectTextureUniqueID) { | |
| fCachedEffect.reset(GrCustomCoordsTextureEffect::Create(fCurrTexture, params)); | |
| fEffectTextureUniqueID = textureUniqueID; | |
| } | |
| // This effect could be stored with one of the cache objects (atlas?) | |
| int coordsIdx = drawState->hasColorVertexAttribute() ? kGlyphCoordsWithColorAttributeIndex : | |
| kGlyphCoordsNoColorAttributeIndex; | |
| drawState->addCoverageEffect(fCachedEffect.get(), coordsIdx); | |
| SkASSERT(NULL != fStrike); | |
| switch (fStrike->getMaskFormat()) { | |
| // Color bitmap text | |
| case kARGB_GrMaskFormat: | |
| SkASSERT(!drawState->hasColorVertexAttribute()); | |
| drawState->setBlendFunc(fPaint.getSrcBlendCoeff(), fPaint.getDstBlendCoeff()); | |
| drawState->setColor(0xffffffff); | |
| break; | |
| // LCD text | |
| case kA888_GrMaskFormat: | |
| case kA565_GrMaskFormat: { | |
| if (kOne_GrBlendCoeff != fPaint.getSrcBlendCoeff() || | |
| kISA_GrBlendCoeff != fPaint.getDstBlendCoeff() || | |
| fPaint.numColorStages()) { | |
| GrPrintf("LCD Text will not draw correctly.\n"); | |
| } | |
| SkASSERT(!drawState->hasColorVertexAttribute()); | |
| // We don't use the GrPaint's color in this case because it's been premultiplied by | |
| // alpha. Instead we feed in a non-premultiplied color, and multiply its alpha by | |
| // the mask texture color. The end result is that we get | |
| // mask*paintAlpha*paintColor + (1-mask*paintAlpha)*dstColor | |
| int a = SkColorGetA(fSkPaint.getColor()); | |
| // paintAlpha | |
| drawState->setColor(SkColorSetARGB(a, a, a, a)); | |
| // paintColor | |
| drawState->setBlendConstant(skcolor_to_grcolor_nopremultiply(fSkPaint.getColor())); | |
| drawState->setBlendFunc(kConstC_GrBlendCoeff, kISC_GrBlendCoeff); | |
| break; | |
| } | |
| // Grayscale/BW text | |
| case kA8_GrMaskFormat: | |
| // set back to normal in case we took LCD path previously. | |
| drawState->setBlendFunc(fPaint.getSrcBlendCoeff(), fPaint.getDstBlendCoeff()); | |
| // We're using per-vertex color. | |
| SkASSERT(drawState->hasColorVertexAttribute()); | |
| break; | |
| default: | |
| SkFAIL("Unexepected mask format."); | |
| } | |
| int nGlyphs = fCurrVertex / 4; | |
| fDrawTarget->setIndexSourceToBuffer(fContext->getQuadIndexBuffer()); | |
| fDrawTarget->drawIndexedInstances(kTriangles_GrPrimitiveType, | |
| nGlyphs, | |
| 4, 6, &fVertexBounds); | |
| fDrawTarget->resetVertexSource(); | |
| fVertices = NULL; | |
| fMaxVertices = 0; | |
| fCurrVertex = 0; | |
| fVertexBounds.setLargestInverted(); | |
| SkSafeSetNull(fCurrTexture); | |
| } | |
| } | |
| inline void GrBitmapTextContext::init(const GrPaint& paint, const SkPaint& skPaint) { | |
| GrTextContext::init(paint, skPaint); | |
| fStrike = NULL; | |
| fCurrTexture = NULL; | |
| fCurrVertex = 0; | |
| fVertices = NULL; | |
| fMaxVertices = 0; | |
| } | |
| inline void GrBitmapTextContext::finish() { | |
| this->flushGlyphs(); | |
| GrTextContext::finish(); | |
| } | |
| void GrBitmapTextContext::drawText(const GrPaint& paint, const SkPaint& skPaint, | |
| const char text[], size_t byteLength, | |
| SkScalar x, SkScalar y) { | |
| SkASSERT(byteLength == 0 || text != NULL); | |
| // nothing to draw | |
| if (text == NULL || byteLength == 0 /*|| fRC->isEmpty()*/) { | |
| return; | |
| } | |
| this->init(paint, skPaint); | |
| SkDrawCacheProc glyphCacheProc = fSkPaint.getDrawCacheProc(); | |
| SkAutoGlyphCache autoCache(fSkPaint, &fDeviceProperties, &fContext->getMatrix()); | |
| SkGlyphCache* cache = autoCache.getCache(); | |
| GrFontScaler* fontScaler = GetGrFontScaler(cache); | |
| // transform our starting point | |
| { | |
| SkPoint loc; | |
| fContext->getMatrix().mapXY(x, y, &loc); | |
| x = loc.fX; | |
| y = loc.fY; | |
| } | |
| // need to measure first | |
| if (fSkPaint.getTextAlign() != SkPaint::kLeft_Align) { | |
| SkVector stop; | |
| MeasureText(cache, glyphCacheProc, text, byteLength, &stop); | |
| SkScalar stopX = stop.fX; | |
| SkScalar stopY = stop.fY; | |
| if (fSkPaint.getTextAlign() == SkPaint::kCenter_Align) { | |
| stopX = SkScalarHalf(stopX); | |
| stopY = SkScalarHalf(stopY); | |
| } | |
| x -= stopX; | |
| y -= stopY; | |
| } | |
| const char* stop = text + byteLength; | |
| SkAutoKern autokern; | |
| SkFixed fxMask = ~0; | |
| SkFixed fyMask = ~0; | |
| SkFixed halfSampleX, halfSampleY; | |
| if (cache->isSubpixel()) { | |
| halfSampleX = halfSampleY = (SK_FixedHalf >> SkGlyph::kSubBits); | |
| SkAxisAlignment baseline = SkComputeAxisAlignmentForHText(fContext->getMatrix()); | |
| if (kX_SkAxisAlignment == baseline) { | |
| fyMask = 0; | |
| halfSampleY = SK_FixedHalf; | |
| } else if (kY_SkAxisAlignment == baseline) { | |
| fxMask = 0; | |
| halfSampleX = SK_FixedHalf; | |
| } | |
| } else { | |
| halfSampleX = halfSampleY = SK_FixedHalf; | |
| } | |
| SkFixed fx = SkScalarToFixed(x) + halfSampleX; | |
| SkFixed fy = SkScalarToFixed(y) + halfSampleY; | |
| GrContext::AutoMatrix autoMatrix; | |
| autoMatrix.setIdentity(fContext, &fPaint); | |
| while (text < stop) { | |
| const SkGlyph& glyph = glyphCacheProc(cache, &text, fx & fxMask, fy & fyMask); | |
| fx += autokern.adjust(glyph); | |
| if (glyph.fWidth) { | |
| this->drawPackedGlyph(GrGlyph::Pack(glyph.getGlyphID(), | |
| glyph.getSubXFixed(), | |
| glyph.getSubYFixed()), | |
| SkFixedFloorToFixed(fx), | |
| SkFixedFloorToFixed(fy), | |
| fontScaler); | |
| } | |
| fx += glyph.fAdvanceX; | |
| fy += glyph.fAdvanceY; | |
| } | |
| this->finish(); | |
| } | |
| void GrBitmapTextContext::drawPosText(const GrPaint& paint, const SkPaint& skPaint, | |
| const char text[], size_t byteLength, | |
| const SkScalar pos[], SkScalar constY, | |
| int scalarsPerPosition) { | |
| SkASSERT(byteLength == 0 || text != NULL); | |
| SkASSERT(1 == scalarsPerPosition || 2 == scalarsPerPosition); | |
| // nothing to draw | |
| if (text == NULL || byteLength == 0/* || fRC->isEmpty()*/) { | |
| return; | |
| } | |
| this->init(paint, skPaint); | |
| SkDrawCacheProc glyphCacheProc = fSkPaint.getDrawCacheProc(); | |
| SkAutoGlyphCache autoCache(fSkPaint, &fDeviceProperties, &fContext->getMatrix()); | |
| SkGlyphCache* cache = autoCache.getCache(); | |
| GrFontScaler* fontScaler = GetGrFontScaler(cache); | |
| // store original matrix before we reset, so we can use it to transform positions | |
| SkMatrix ctm = fContext->getMatrix(); | |
| GrContext::AutoMatrix autoMatrix; | |
| autoMatrix.setIdentity(fContext, &fPaint); | |
| const char* stop = text + byteLength; | |
| SkTextAlignProc alignProc(fSkPaint.getTextAlign()); | |
| SkTextMapStateProc tmsProc(ctm, constY, scalarsPerPosition); | |
| SkFixed halfSampleX = 0, halfSampleY = 0; | |
| if (cache->isSubpixel()) { | |
| // maybe we should skip the rounding if linearText is set | |
| SkAxisAlignment baseline = SkComputeAxisAlignmentForHText(ctm); | |
| SkFixed fxMask = ~0; | |
| SkFixed fyMask = ~0; | |
| if (kX_SkAxisAlignment == baseline) { | |
| fyMask = 0; | |
| #ifndef SK_IGNORE_SUBPIXEL_AXIS_ALIGN_FIX | |
| halfSampleY = SK_FixedHalf; | |
| #endif | |
| } else if (kY_SkAxisAlignment == baseline) { | |
| fxMask = 0; | |
| #ifndef SK_IGNORE_SUBPIXEL_AXIS_ALIGN_FIX | |
| halfSampleX = SK_FixedHalf; | |
| #endif | |
| } | |
| if (SkPaint::kLeft_Align == fSkPaint.getTextAlign()) { | |
| while (text < stop) { | |
| SkPoint tmsLoc; | |
| tmsProc(pos, &tmsLoc); | |
| SkFixed fx = SkScalarToFixed(tmsLoc.fX) + halfSampleX; | |
| SkFixed fy = SkScalarToFixed(tmsLoc.fY) + halfSampleY; | |
| const SkGlyph& glyph = glyphCacheProc(cache, &text, | |
| fx & fxMask, fy & fyMask); | |
| if (glyph.fWidth) { | |
| this->drawPackedGlyph(GrGlyph::Pack(glyph.getGlyphID(), | |
| glyph.getSubXFixed(), | |
| glyph.getSubYFixed()), | |
| SkFixedFloorToFixed(fx), | |
| SkFixedFloorToFixed(fy), | |
| fontScaler); | |
| } | |
| pos += scalarsPerPosition; | |
| } | |
| } else { | |
| while (text < stop) { | |
| const char* currentText = text; | |
| const SkGlyph& metricGlyph = glyphCacheProc(cache, &text, 0, 0); | |
| if (metricGlyph.fWidth) { | |
| SkDEBUGCODE(SkFixed prevAdvX = metricGlyph.fAdvanceX;) | |
| SkDEBUGCODE(SkFixed prevAdvY = metricGlyph.fAdvanceY;) | |
| SkPoint tmsLoc; | |
| tmsProc(pos, &tmsLoc); | |
| SkIPoint fixedLoc; | |
| alignProc(tmsLoc, metricGlyph, &fixedLoc); | |
| SkFixed fx = fixedLoc.fX + halfSampleX; | |
| SkFixed fy = fixedLoc.fY + halfSampleY; | |
| // have to call again, now that we've been "aligned" | |
| const SkGlyph& glyph = glyphCacheProc(cache, ¤tText, | |
| fx & fxMask, fy & fyMask); | |
| // the assumption is that the metrics haven't changed | |
| SkASSERT(prevAdvX == glyph.fAdvanceX); | |
| SkASSERT(prevAdvY == glyph.fAdvanceY); | |
| SkASSERT(glyph.fWidth); | |
| this->drawPackedGlyph(GrGlyph::Pack(glyph.getGlyphID(), | |
| glyph.getSubXFixed(), | |
| glyph.getSubYFixed()), | |
| SkFixedFloorToFixed(fx), | |
| SkFixedFloorToFixed(fy), | |
| fontScaler); | |
| } | |
| pos += scalarsPerPosition; | |
| } | |
| } | |
| } else { // not subpixel | |
| if (SkPaint::kLeft_Align == fSkPaint.getTextAlign()) { | |
| while (text < stop) { | |
| // the last 2 parameters are ignored | |
| const SkGlyph& glyph = glyphCacheProc(cache, &text, 0, 0); | |
| if (glyph.fWidth) { | |
| SkPoint tmsLoc; | |
| tmsProc(pos, &tmsLoc); | |
| SkFixed fx = SkScalarToFixed(tmsLoc.fX) + SK_FixedHalf; //halfSampleX; | |
| SkFixed fy = SkScalarToFixed(tmsLoc.fY) + SK_FixedHalf; //halfSampleY; | |
| this->drawPackedGlyph(GrGlyph::Pack(glyph.getGlyphID(), | |
| glyph.getSubXFixed(), | |
| glyph.getSubYFixed()), | |
| SkFixedFloorToFixed(fx), | |
| SkFixedFloorToFixed(fy), | |
| fontScaler); | |
| } | |
| pos += scalarsPerPosition; | |
| } | |
| } else { | |
| while (text < stop) { | |
| // the last 2 parameters are ignored | |
| const SkGlyph& glyph = glyphCacheProc(cache, &text, 0, 0); | |
| if (glyph.fWidth) { | |
| SkPoint tmsLoc; | |
| tmsProc(pos, &tmsLoc); | |
| SkIPoint fixedLoc; | |
| alignProc(tmsLoc, glyph, &fixedLoc); | |
| SkFixed fx = fixedLoc.fX + SK_FixedHalf; //halfSampleX; | |
| SkFixed fy = fixedLoc.fY + SK_FixedHalf; //halfSampleY; | |
| this->drawPackedGlyph(GrGlyph::Pack(glyph.getGlyphID(), | |
| glyph.getSubXFixed(), | |
| glyph.getSubYFixed()), | |
| SkFixedFloorToFixed(fx), | |
| SkFixedFloorToFixed(fy), | |
| fontScaler); | |
| } | |
| pos += scalarsPerPosition; | |
| } | |
| } | |
| } | |
| this->finish(); | |
| } | |
| void GrBitmapTextContext::drawPackedGlyph(GrGlyph::PackedID packed, | |
| SkFixed vx, SkFixed vy, | |
| GrFontScaler* scaler) { | |
| if (NULL == fDrawTarget) { | |
| return; | |
| } | |
| if (NULL == fStrike) { | |
| fStrike = fContext->getFontCache()->getStrike(scaler, false); | |
| } | |
| GrGlyph* glyph = fStrike->getGlyph(packed, scaler); | |
| if (NULL == glyph || glyph->fBounds.isEmpty()) { | |
| return; | |
| } | |
| vx += SkIntToFixed(glyph->fBounds.fLeft); | |
| vy += SkIntToFixed(glyph->fBounds.fTop); | |
| // keep them as ints until we've done the clip-test | |
| SkFixed width = glyph->fBounds.width(); | |
| SkFixed height = glyph->fBounds.height(); | |
| // check if we clipped out | |
| if (true || NULL == glyph->fPlot) { | |
| int x = vx >> 16; | |
| int y = vy >> 16; | |
| if (fClipRect.quickReject(x, y, x + width, y + height)) { | |
| // SkCLZ(3); // so we can set a break-point in the debugger | |
| return; | |
| } | |
| } | |
| if (NULL == glyph->fPlot) { | |
| if (fStrike->addGlyphToAtlas(glyph, scaler)) { | |
| goto HAS_ATLAS; | |
| } | |
| // try to clear out an unused plot before we flush | |
| if (fContext->getFontCache()->freeUnusedPlot(fStrike) && | |
| fStrike->addGlyphToAtlas(glyph, scaler)) { | |
| goto HAS_ATLAS; | |
| } | |
| if (c_DumpFontCache) { | |
| #ifdef SK_DEVELOPER | |
| fContext->getFontCache()->dump(); | |
| #endif | |
| } | |
| // flush any accumulated draws to allow us to free up a plot | |
| this->flushGlyphs(); | |
| fContext->flush(); | |
| // we should have an unused plot now | |
| if (fContext->getFontCache()->freeUnusedPlot(fStrike) && | |
| fStrike->addGlyphToAtlas(glyph, scaler)) { | |
| goto HAS_ATLAS; | |
| } | |
| if (NULL == glyph->fPath) { | |
| SkPath* path = SkNEW(SkPath); | |
| if (!scaler->getGlyphPath(glyph->glyphID(), path)) { | |
| // flag the glyph as being dead? | |
| delete path; | |
| return; | |
| } | |
| glyph->fPath = path; | |
| } | |
| GrContext::AutoMatrix am; | |
| SkMatrix translate; | |
| translate.setTranslate(SkFixedToScalar(vx - SkIntToFixed(glyph->fBounds.fLeft)), | |
| SkFixedToScalar(vy - SkIntToFixed(glyph->fBounds.fTop))); | |
| GrPaint tmpPaint(fPaint); | |
| am.setPreConcat(fContext, translate, &tmpPaint); | |
| GrStrokeInfo strokeInfo(SkStrokeRec::kFill_InitStyle); | |
| fContext->drawPath(tmpPaint, *glyph->fPath, strokeInfo); | |
| return; | |
| } | |
| HAS_ATLAS: | |
| SkASSERT(glyph->fPlot); | |
| GrDrawTarget::DrawToken drawToken = fDrawTarget->getCurrentDrawToken(); | |
| glyph->fPlot->setDrawToken(drawToken); | |
| // now promote them to fixed (TODO: Rethink using fixed pt). | |
| width = SkIntToFixed(width); | |
| height = SkIntToFixed(height); | |
| GrTexture* texture = glyph->fPlot->texture(); | |
| SkASSERT(texture); | |
| if (fCurrTexture != texture || fCurrVertex + 4 > fMaxVertices) { | |
| this->flushGlyphs(); | |
| fCurrTexture = texture; | |
| fCurrTexture->ref(); | |
| } | |
| bool useColorVerts = kA8_GrMaskFormat == fStrike->getMaskFormat(); | |
| if (NULL == fVertices) { | |
| // If we need to reserve vertices allow the draw target to suggest | |
| // a number of verts to reserve and whether to perform a flush. | |
| fMaxVertices = kMinRequestedVerts; | |
| if (useColorVerts) { | |
| fDrawTarget->drawState()->setVertexAttribs<gTextVertexWithColorAttribs>( | |
| SK_ARRAY_COUNT(gTextVertexWithColorAttribs)); | |
| } else { | |
| fDrawTarget->drawState()->setVertexAttribs<gTextVertexAttribs>( | |
| SK_ARRAY_COUNT(gTextVertexAttribs)); | |
| } | |
| bool flush = fDrawTarget->geometryHints(&fMaxVertices, NULL); | |
| if (flush) { | |
| this->flushGlyphs(); | |
| fContext->flush(); | |
| if (useColorVerts) { | |
| fDrawTarget->drawState()->setVertexAttribs<gTextVertexWithColorAttribs>( | |
| SK_ARRAY_COUNT(gTextVertexWithColorAttribs)); | |
| } else { | |
| fDrawTarget->drawState()->setVertexAttribs<gTextVertexAttribs>( | |
| SK_ARRAY_COUNT(gTextVertexAttribs)); | |
| } | |
| } | |
| fMaxVertices = kDefaultRequestedVerts; | |
| // ignore return, no point in flushing again. | |
| fDrawTarget->geometryHints(&fMaxVertices, NULL); | |
| int maxQuadVertices = 4 * fContext->getQuadIndexBuffer()->maxQuads(); | |
| if (fMaxVertices < kMinRequestedVerts) { | |
| fMaxVertices = kDefaultRequestedVerts; | |
| } else if (fMaxVertices > maxQuadVertices) { | |
| // don't exceed the limit of the index buffer | |
| fMaxVertices = maxQuadVertices; | |
| } | |
| bool success = fDrawTarget->reserveVertexAndIndexSpace(fMaxVertices, | |
| 0, | |
| &fVertices, | |
| NULL); | |
| GrAlwaysAssert(success); | |
| } | |
| SkFixed tx = SkIntToFixed(glyph->fAtlasLocation.fX); | |
| SkFixed ty = SkIntToFixed(glyph->fAtlasLocation.fY); | |
| SkRect r; | |
| r.fLeft = SkFixedToFloat(vx); | |
| r.fTop = SkFixedToFloat(vy); | |
| r.fRight = SkFixedToFloat(vx + width); | |
| r.fBottom = SkFixedToFloat(vy + height); | |
| fVertexBounds.growToInclude(r); | |
| size_t vertSize = useColorVerts ? (2 * sizeof(SkPoint) + sizeof(GrColor)) : | |
| (2 * sizeof(SkPoint)); | |
| SkASSERT(vertSize == fDrawTarget->getDrawState().getVertexSize()); | |
| SkPoint* positions = reinterpret_cast<SkPoint*>( | |
| reinterpret_cast<intptr_t>(fVertices) + vertSize * fCurrVertex); | |
| positions->setRectFan(r.fLeft, r.fTop, r.fRight, r.fBottom, vertSize); | |
| // The texture coords are last in both the with and without color vertex layouts. | |
| SkPoint* textureCoords = reinterpret_cast<SkPoint*>( | |
| reinterpret_cast<intptr_t>(positions) + vertSize - sizeof(SkPoint)); | |
| textureCoords->setRectFan(SkFixedToFloat(texture->normalizeFixedX(tx)), | |
| SkFixedToFloat(texture->normalizeFixedY(ty)), | |
| SkFixedToFloat(texture->normalizeFixedX(tx + width)), | |
| SkFixedToFloat(texture->normalizeFixedY(ty + height)), | |
| vertSize); | |
| if (useColorVerts) { | |
| if (0xFF == GrColorUnpackA(fPaint.getColor())) { | |
| fDrawTarget->drawState()->setHint(GrDrawState::kVertexColorsAreOpaque_Hint, true); | |
| } | |
| // color comes after position. | |
| GrColor* colors = reinterpret_cast<GrColor*>(positions + 1); | |
| for (int i = 0; i < 4; ++i) { | |
| *colors = fPaint.getColor(); | |
| colors = reinterpret_cast<GrColor*>(reinterpret_cast<intptr_t>(colors) + vertSize); | |
| } | |
| } | |
| fCurrVertex += 4; | |
| } |