move Atlas Text Context to its own file

src/gpu/GrAtlasTextContext.cpp

 /*
- * Copyright 2013 Google Inc.
+ * Copyright 2015 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 "GrAtlasTextContext.h"
 
 #include "GrAtlas.h"
 #include "GrBatch.h"
 #include "GrBatchFontCache.h"
 #include "GrBatchTarget.h"
 #include "GrDefaultGeoProcFactory.h"
 #include "GrDrawTarget.h"
-#include "GrFontCache.h"
 #include "GrFontScaler.h"
 #include "GrIndexBuffer.h"
 #include "GrStrokeInfo.h"
 #include "GrTexturePriv.h"
 
 #include "SkAutoKern.h"
 #include "SkColorPriv.h"
 #include "SkDraw.h"
 #include "SkDrawFilter.h"
 #include "SkDrawProcs.h"
 #include "SkGlyphCache.h"
 #include "SkGpuDevice.h"
 #include "SkGr.h"
 #include "SkPath.h"
 #include "SkRTConf.h"
 #include "SkStrokeRec.h"
 #include "SkTextBlob.h"
 #include "SkTextMapStateProc.h"
 
 #include "effects/GrBitmapTextGeoProc.h"
 #include "effects/GrSimpleTextureEffect.h"
 
-SK_CONF_DECLARE(bool, c_DumpFontCache, "gpu.dumpFontCache", false,
-                "Dump the contents of the font cache before every purge.");
-
 namespace {
 static const size_t kLCDTextVASize = sizeof(SkPoint) + sizeof(SkIPoint16);
 
 // position + local coord
 static const size_t kColorTextVASize = sizeof(SkPoint) + sizeof(SkIPoint16);
 
 static const size_t kGrayTextVASize = sizeof(SkPoint) + sizeof(GrColor) + sizeof(SkIPoint16);
 
 static const int kVerticesPerGlyph = 4;
 static const int kIndicesPerGlyph = 6;
+
+static size_t get_vertex_stride(GrMaskFormat maskFormat) {
+    switch (maskFormat) {
+        case kA8_GrMaskFormat:
+            return kGrayTextVASize;
+        case kARGB_GrMaskFormat:
+            return kColorTextVASize;
+        default:
+            return kLCDTextVASize;
+    }
+}
+
 };
 
 // TODO
 // More tests
 // move to SkCache
 // handle textblobs where the whole run is larger than the cache size
 // TODO implement micro speedy hash map for fast refing of glyphs
 
 GrBitmapTextContextB::GrBitmapTextContextB(GrContext* context,
                                          SkGpuDevice* gpuDevice,
@@ skipping 347 matching lines @@
 
     fCurrStrike = NULL;
     SkDrawCacheProc glyphCacheProc = skPaint.getDrawCacheProc();
 
     // Get GrFontScaler from cache
     GrFontScaler* fontScaler = GetGrFontScaler(cache);
 
     const char*        stop = text + byteLength;
     SkTextAlignProc    alignProc(skPaint.getTextAlign());
     SkTextMapStateProc tmsProc(viewMatrix, offset, scalarsPerPosition);
-    SkScalar halfSampleX = 0, halfSampleY = 0;
 
     if (cache->isSubpixel()) {
         // maybe we should skip the rounding if linearText is set
         SkAxisAlignment baseline = SkComputeAxisAlignmentForHText(viewMatrix);
 
         SkFixed fxMask = ~0;
         SkFixed fyMask = ~0;
+        SkScalar halfSampleX = SkFixedToScalar(SkGlyph::kSubpixelRound);
+        SkScalar halfSampleY = SkFixedToScalar(SkGlyph::kSubpixelRound);
         if (kX_SkAxisAlignment == baseline) {
             fyMask = 0;
             halfSampleY = SK_ScalarHalf;
         } else if (kY_SkAxisAlignment == baseline) {
             fxMask = 0;
             halfSampleX = SK_ScalarHalf;
         }
 
         if (SkPaint::kLeft_Align == skPaint.getTextAlign()) {
             while (text < stop) {
@@ skipping 107 matching lines @@
                                       Sk48Dot16FloorToInt(fy),
                                       fontScaler,
                                       clipRect);
                 }
                 pos += scalarsPerPosition;
             }
         }
     }
 }
 
-static size_t get_vertex_stride(GrMaskFormat maskFormat) {
-    switch (maskFormat) {
-        case kA8_GrMaskFormat:
-            return kGrayTextVASize;
-        case kARGB_GrMaskFormat:
-            return kColorTextVASize;
-        default:
-            return kLCDTextVASize;
-    }
-}
-
 void GrBitmapTextContextB::appendGlyph(BitmapTextBlob* blob, int runIndex, GrGlyph::PackedID packed,
                                       int vx, int vy, GrFontScaler* scaler,
                                       const SkIRect& clipRect) {
     if (NULL == fCurrStrike) {
         fCurrStrike = fContext->getBatchFontCache()->getStrike(scaler);
     }
 
     GrGlyph* glyph = fCurrStrike->getGlyph(packed, scaler);
     if (NULL == glyph || glyph->fBounds.isEmpty()) {
         return;
@@ skipping 474 matching lines @@
     for (int i = 0; i < blob->fBigGlyphs.count(); i++) {
         BitmapTextBlob::BigGlyph& bigGlyph = blob->fBigGlyphs[i];
         SkMatrix translate;
         translate.setTranslate(SkIntToScalar(bigGlyph.fVx), SkIntToScalar(bigGlyph.fVy));
         SkPath tmpPath(bigGlyph.fPath);
         tmpPath.transform(translate);
         GrStrokeInfo strokeInfo(SkStrokeRec::kFill_InitStyle);
         fContext->drawPath(rt, clip, paint, SkMatrix::I(), tmpPath, strokeInfo);
     }
 }
-
-GrBitmapTextContext::GrBitmapTextContext(GrContext* context,
-                                         SkGpuDevice* gpuDevice,
-                                         const SkDeviceProperties& properties)
-    : GrTextContext(context, gpuDevice, properties) {
-    fStrike = NULL;
-
-    fCurrTexture = NULL;
-    fEffectTextureUniqueID = SK_InvalidUniqueID;
-
-    fVertices = NULL;
-    fCurrVertex = 0;
-    fAllocVertexCount = 0;
-    fTotalVertexCount = 0;
-
-    fVertexBounds.setLargestInverted();
-}
-
-GrBitmapTextContext* GrBitmapTextContext::Create(GrContext* context,
-                                                 SkGpuDevice* gpuDevice,
-                                                 const SkDeviceProperties& props) {
-    return SkNEW_ARGS(GrBitmapTextContext, (context, gpuDevice, props));
-}
-
-bool GrBitmapTextContext::canDraw(const GrRenderTarget* rt,
-                                  const GrClip& clip,
-                                  const GrPaint& paint,
-                                  const SkPaint& skPaint,
-                                  const SkMatrix& viewMatrix) {
-    return !SkDraw::ShouldDrawTextAsPaths(skPaint, viewMatrix);
-}
-
-inline void GrBitmapTextContext::init(GrRenderTarget* rt, const GrClip& clip,
-                                      const GrPaint& paint, const SkPaint& skPaint,
-                                      const SkIRect& regionClipBounds) {
-    GrTextContext::init(rt, clip, paint, skPaint, regionClipBounds);
-
-    fStrike = NULL;
-
-    fCurrTexture = NULL;
-    fCurrVertex = 0;
-
-    fVertices = NULL;
-    fAllocVertexCount = 0;
-    fTotalVertexCount = 0;
-}
-
-void GrBitmapTextContext::onDrawText(GrRenderTarget* rt, const GrClip& clip,
-                                     const GrPaint& paint, const SkPaint& skPaint,
-                                     const SkMatrix& viewMatrix,
-                                     const char text[], size_t byteLength,
-                                     SkScalar x, SkScalar y, const SkIRect& regionClipBounds) {
-    SkASSERT(byteLength == 0 || text != NULL);
-
-    // nothing to draw
-    if (text == NULL || byteLength == 0 /*|| fRC->isEmpty()*/) {
-        return;
-    }
-
-    this->init(rt, clip, paint, skPaint, regionClipBounds);
-
-    SkDrawCacheProc glyphCacheProc = fSkPaint.getDrawCacheProc();
-
-    SkAutoGlyphCache    autoCache(fSkPaint, &fDeviceProperties, &viewMatrix);
-    SkGlyphCache*       cache = autoCache.getCache();
-    GrFontScaler*       fontScaler = GetGrFontScaler(cache);
-
-    // transform our starting point
-    {
-        SkPoint loc;
-        viewMatrix.mapXY(x, y, &loc);
-        x = loc.fX;
-        y = loc.fY;
-    }
-
-    // need to measure first
-    int numGlyphs;
-    if (fSkPaint.getTextAlign() != SkPaint::kLeft_Align) {
-        SkVector    stopVector;
-        numGlyphs = MeasureText(cache, glyphCacheProc, text, byteLength, &stopVector);
-
-        SkScalar    stopX = stopVector.fX;
-        SkScalar    stopY = stopVector.fY;
-
-        if (fSkPaint.getTextAlign() == SkPaint::kCenter_Align) {
-            stopX = SkScalarHalf(stopX);
-            stopY = SkScalarHalf(stopY);
-        }
-        x -= stopX;
-        y -= stopY;
-    } else {
-        numGlyphs = fSkPaint.textToGlyphs(text, byteLength, NULL);
-    }
-    fTotalVertexCount = kVerticesPerGlyph*numGlyphs;
-
-    const char* stop = text + byteLength;
-
-    SkAutoKern autokern;
-
-    SkFixed fxMask = ~0;
-    SkFixed fyMask = ~0;
-    SkScalar halfSampleX, halfSampleY;
-    if (cache->isSubpixel()) {
-        halfSampleX = halfSampleY = SkFixedToScalar(SkGlyph::kSubpixelRound);
-        SkAxisAlignment baseline = SkComputeAxisAlignmentForHText(viewMatrix);
-        if (kX_SkAxisAlignment == baseline) {
-            fyMask = 0;
-            halfSampleY = SK_ScalarHalf;
-        } else if (kY_SkAxisAlignment == baseline) {
-            fxMask = 0;
-            halfSampleX = SK_ScalarHalf;
-        }
-    } else {
-        halfSampleX = halfSampleY = SK_ScalarHalf;
-    }
-
-    Sk48Dot16 fx = SkScalarTo48Dot16(x + halfSampleX);
-    Sk48Dot16 fy = SkScalarTo48Dot16(y + halfSampleY);
-
-    // if we have RGB, then we won't have any SkShaders so no need to use a localmatrix, but for
-    // performance reasons we just invert here instead
-    if (!viewMatrix.invert(&fLocalMatrix)) {
-        SkDebugf("Cannot invert viewmatrix\n");
-        return;
-    }
-
-    while (text < stop) {
-        const SkGlyph& glyph = glyphCacheProc(cache, &text, fx & fxMask, fy & fyMask);
-
-        fx += autokern.adjust(glyph);
-
-        if (glyph.fWidth) {
-            this->appendGlyph(GrGlyph::Pack(glyph.getGlyphID(),
-                                            glyph.getSubXFixed(),
-                                            glyph.getSubYFixed(),
-                                            GrGlyph::kCoverage_MaskStyle),
-                              Sk48Dot16FloorToInt(fx),
-                              Sk48Dot16FloorToInt(fy),
-                              fontScaler);
-        }
-
-        fx += glyph.fAdvanceX;
-        fy += glyph.fAdvanceY;
-    }
-
-    this->finish();
-}
-
-void GrBitmapTextContext::onDrawPosText(GrRenderTarget* rt, const GrClip& clip,
-                                        const GrPaint& paint, const SkPaint& skPaint,
-                                        const SkMatrix& viewMatrix,
-                                        const char text[], size_t byteLength,
-                                        const SkScalar pos[], int scalarsPerPosition,
-                                        const SkPoint& offset, const SkIRect& regionClipBounds) {
-    SkASSERT(byteLength == 0 || text != NULL);
-    SkASSERT(1 == scalarsPerPosition || 2 == scalarsPerPosition);
-
-    // nothing to draw
-    if (text == NULL || byteLength == 0/* || fRC->isEmpty()*/) {
-        return;
-    }
-
-    this->init(rt, clip, paint, skPaint, regionClipBounds);
-
-    SkDrawCacheProc glyphCacheProc = fSkPaint.getDrawCacheProc();
-
-    SkAutoGlyphCache    autoCache(fSkPaint, &fDeviceProperties, &viewMatrix);
-    SkGlyphCache*       cache = autoCache.getCache();
-    GrFontScaler*       fontScaler = GetGrFontScaler(cache);
-
-    // if we have RGB, then we won't have any SkShaders so no need to use a localmatrix, but for
-    // performance reasons we just invert here instead
-    if (!viewMatrix.invert(&fLocalMatrix)) {
-        SkDebugf("Cannot invert viewmatrix\n");
-        return;
-    }
-
-    int numGlyphs = fSkPaint.textToGlyphs(text, byteLength, NULL);
-    fTotalVertexCount = kVerticesPerGlyph*numGlyphs;
-
-    const char*        stop = text + byteLength;
-    SkTextAlignProc    alignProc(fSkPaint.getTextAlign());
-    SkTextMapStateProc tmsProc(viewMatrix, offset, scalarsPerPosition);
-
-    if (cache->isSubpixel()) {
-        // maybe we should skip the rounding if linearText is set
-        SkAxisAlignment baseline = SkComputeAxisAlignmentForHText(viewMatrix);
-
-        SkFixed fxMask = ~0;
-        SkFixed fyMask = ~0;
-        SkScalar halfSampleX = SkFixedToScalar(SkGlyph::kSubpixelRound);
-        SkScalar halfSampleY = SkFixedToScalar(SkGlyph::kSubpixelRound);
-        if (kX_SkAxisAlignment == baseline) {
-            fyMask = 0;
-            halfSampleY = SK_ScalarHalf;
-        } else if (kY_SkAxisAlignment == baseline) {
-            fxMask = 0;
-            halfSampleX = SK_ScalarHalf;
-        }
-
-        if (SkPaint::kLeft_Align == fSkPaint.getTextAlign()) {
-            while (text < stop) {
-                SkPoint tmsLoc;
-                tmsProc(pos, &tmsLoc);
-                Sk48Dot16 fx = SkScalarTo48Dot16(tmsLoc.fX + halfSampleX);
-                Sk48Dot16 fy = SkScalarTo48Dot16(tmsLoc.fY + halfSampleY);
-
-                const SkGlyph& glyph = glyphCacheProc(cache, &text,
-                                                      fx & fxMask, fy & fyMask);
-
-                if (glyph.fWidth) {
-                    this->appendGlyph(GrGlyph::Pack(glyph.getGlyphID(),
-                                                    glyph.getSubXFixed(),
-                                                    glyph.getSubYFixed(),
-                                                    GrGlyph::kCoverage_MaskStyle),
-                                      Sk48Dot16FloorToInt(fx),
-                                      Sk48Dot16FloorToInt(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);
-                    SkPoint alignLoc;
-                    alignProc(tmsLoc, metricGlyph, &alignLoc);
-
-                    Sk48Dot16 fx = SkScalarTo48Dot16(alignLoc.fX + halfSampleX);
-                    Sk48Dot16 fy = SkScalarTo48Dot16(alignLoc.fY + halfSampleY);
-
-                    // have to call again, now that we've been "aligned"
-                    const SkGlyph& glyph = glyphCacheProc(cache, &currentText,
-                                                          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->appendGlyph(GrGlyph::Pack(glyph.getGlyphID(),
-                                                    glyph.getSubXFixed(),
-                                                    glyph.getSubYFixed(),
-                                                    GrGlyph::kCoverage_MaskStyle),
-                                      Sk48Dot16FloorToInt(fx),
-                                      Sk48Dot16FloorToInt(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);
-
-                    Sk48Dot16 fx = SkScalarTo48Dot16(tmsLoc.fX + SK_ScalarHalf);
-                    Sk48Dot16 fy = SkScalarTo48Dot16(tmsLoc.fY + SK_ScalarHalf);
-                    this->appendGlyph(GrGlyph::Pack(glyph.getGlyphID(),
-                                                    glyph.getSubXFixed(),
-                                                    glyph.getSubYFixed(),
-                                                    GrGlyph::kCoverage_MaskStyle),
-                                      Sk48Dot16FloorToInt(fx),
-                                      Sk48Dot16FloorToInt(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);
-
-                    SkPoint alignLoc;
-                    alignProc(tmsLoc, glyph, &alignLoc);
-
-                    Sk48Dot16 fx = SkScalarTo48Dot16(alignLoc.fX + SK_ScalarHalf);
-                    Sk48Dot16 fy = SkScalarTo48Dot16(alignLoc.fY + SK_ScalarHalf);
-                    this->appendGlyph(GrGlyph::Pack(glyph.getGlyphID(),
-                                                    glyph.getSubXFixed(),
-                                                    glyph.getSubYFixed(),
-                                                    GrGlyph::kCoverage_MaskStyle),
-                                      Sk48Dot16FloorToInt(fx),
-                                      Sk48Dot16FloorToInt(fy),
-                                      fontScaler);
-                }
-                pos += scalarsPerPosition;
-            }
-        }
-    }
-
-    this->finish();
-}
-
-static void* alloc_vertices(GrDrawTarget* drawTarget,
-                            int numVertices,
-                            GrMaskFormat maskFormat) {
-    if (numVertices <= 0) {
-        return NULL;
-    }
-
-    // set up attributes
-    void* vertices = NULL;
-    bool success = drawTarget->reserveVertexAndIndexSpace(numVertices,
-                                                          get_vertex_stride(maskFormat),
-                                                          0,
-                                                          &vertices,
-                                                          NULL);
-    GrAlwaysAssert(success);
-    return vertices;
-}
-
-inline bool GrBitmapTextContext::uploadGlyph(GrGlyph* glyph, GrFontScaler* scaler) {
-    if (!fStrike->glyphTooLargeForAtlas(glyph)) {
-        if (fStrike->addGlyphToAtlas(glyph, scaler)) {
-            return true;
-        }
-
-        // try to clear out an unused plot before we flush
-        if (fContext->getFontCache()->freeUnusedPlot(fStrike, glyph) &&
-            fStrike->addGlyphToAtlas(glyph, scaler)) {
-            return true;
-        }
-
-        if (c_DumpFontCache) {
-#ifdef SK_DEVELOPER
-            fContext->getFontCache()->dump();
-#endif
-        }
-
-        // before we purge the cache, we must flush any accumulated draws
-        this->flush();
-        fContext->flush();
-
-        // we should have an unused plot now
-        if (fContext->getFontCache()->freeUnusedPlot(fStrike, glyph) &&
-            fStrike->addGlyphToAtlas(glyph, scaler)) {
-            return true;
-        }
-
-        // we should never get here
-        SkASSERT(false);
-    }
-
-    return false;
-}
-
-void GrBitmapTextContext::appendGlyph(GrGlyph::PackedID packed,
-                                      int vx, int vy,
-                                      GrFontScaler* scaler) {
-    if (NULL == fDrawTarget) {
-        return;
-    }
-
-    if (NULL == fStrike) {
-        fStrike = fContext->getFontCache()->getStrike(scaler);
-    }
-
-    GrGlyph* glyph = fStrike->getGlyph(packed, scaler);
-    if (NULL == glyph || glyph->fBounds.isEmpty()) {
-        return;
-    }
-
-    int x = vx + glyph->fBounds.fLeft;
-    int y = vy + glyph->fBounds.fTop;
-
-    // keep them as ints until we've done the clip-test
-    int width = glyph->fBounds.width();
-    int height = glyph->fBounds.height();
-
-    // check if we clipped out
-    if (fClipRect.quickReject(x, y, x + width, y + height)) {
-        return;
-    }
-
-    // If the glyph is too large we fall back to paths
-    if (NULL == glyph->fPlot && !uploadGlyph(glyph, scaler)) {
-        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;
-        }
-
-        // flush any accumulated draws before drawing this glyph as a path.
-        this->flush();
-
-        SkMatrix translate;
-        translate.setTranslate(SkIntToScalar(vx), SkIntToScalar(vy));
-        SkPath tmpPath(*glyph->fPath);
-        tmpPath.transform(translate);
-        GrStrokeInfo strokeInfo(SkStrokeRec::kFill_InitStyle);
-        fContext->drawPath(fRenderTarget, fClip, fPaint, SkMatrix::I(), tmpPath, strokeInfo);
-
-        // remove this glyph from the vertices we need to allocate
-        fTotalVertexCount -= kVerticesPerGlyph;
-        return;
-    }
-
-    SkASSERT(glyph->fPlot);
-    GrDrawTarget::DrawToken drawToken = fDrawTarget->getCurrentDrawToken();
-    glyph->fPlot->setDrawToken(drawToken);
-
-    // the current texture/maskformat must match what the glyph needs
-    GrTexture* texture = glyph->fPlot->texture();
-    SkASSERT(texture);
-
-    if (fCurrTexture != texture || fCurrVertex + kVerticesPerGlyph > fAllocVertexCount) {
-        this->flush();
-        fCurrTexture = texture;
-        fCurrTexture->ref();
-        fCurrMaskFormat = glyph->fMaskFormat;
-    }
-
-    if (NULL == fVertices) {
-        int maxQuadVertices = kVerticesPerGlyph * fContext->getQuadIndexBuffer()->maxQuads();
-        fAllocVertexCount = SkMin32(fTotalVertexCount, maxQuadVertices);
-        fVertices = alloc_vertices(fDrawTarget, fAllocVertexCount, fCurrMaskFormat);
-    }
-
-    SkRect r;
-    r.fLeft = SkIntToScalar(x);
-    r.fTop = SkIntToScalar(y);
-    r.fRight = r.fLeft + SkIntToScalar(width);
-    r.fBottom = r.fTop + SkIntToScalar(height);
-
-    fVertexBounds.joinNonEmptyArg(r);
-
-    int u0 = glyph->fAtlasLocation.fX;
-    int v0 = glyph->fAtlasLocation.fY;
-    int u1 = u0 + width;
-    int v1 = v0 + height;
-
-    size_t vertSize = get_vertex_stride(fCurrMaskFormat);
-    intptr_t vertex = reinterpret_cast<intptr_t>(fVertices) + vertSize * fCurrVertex;
-
-    // V0
-    SkPoint* position = reinterpret_cast<SkPoint*>(vertex);
-    position->set(r.fLeft, r.fTop);
-    if (kA8_GrMaskFormat == fCurrMaskFormat) {
-        SkColor* color = reinterpret_cast<SkColor*>(vertex + sizeof(SkPoint));
-        *color = fPaint.getColor();
-    }
-    SkIPoint16* textureCoords = reinterpret_cast<SkIPoint16*>(vertex + vertSize -
-                                                              sizeof(SkIPoint16));
-    textureCoords->set(u0, v0);
-    vertex += vertSize;
-
-    // V1
-    position = reinterpret_cast<SkPoint*>(vertex);
-    position->set(r.fLeft, r.fBottom);
-    if (kA8_GrMaskFormat == fCurrMaskFormat) {
-        SkColor* color = reinterpret_cast<SkColor*>(vertex + sizeof(SkPoint));
-        *color = fPaint.getColor();
-    }
-    textureCoords = reinterpret_cast<SkIPoint16*>(vertex + vertSize  - sizeof(SkIPoint16));
-    textureCoords->set(u0, v1);
-    vertex += vertSize;
-
-    // V2
-    position = reinterpret_cast<SkPoint*>(vertex);
-    position->set(r.fRight, r.fBottom);
-    if (kA8_GrMaskFormat == fCurrMaskFormat) {
-        SkColor* color = reinterpret_cast<SkColor*>(vertex + sizeof(SkPoint));
-        *color = fPaint.getColor();
-    }
-    textureCoords = reinterpret_cast<SkIPoint16*>(vertex + vertSize  - sizeof(SkIPoint16));
-    textureCoords->set(u1, v1);
-    vertex += vertSize;
-
-    // V3
-    position = reinterpret_cast<SkPoint*>(vertex);
-    position->set(r.fRight, r.fTop);
-    if (kA8_GrMaskFormat == fCurrMaskFormat) {
-        SkColor* color = reinterpret_cast<SkColor*>(vertex + sizeof(SkPoint));
-        *color = fPaint.getColor();
-    }
-    textureCoords = reinterpret_cast<SkIPoint16*>(vertex + vertSize  - sizeof(SkIPoint16));
-    textureCoords->set(u1, v0);
-
-    fCurrVertex += 4;
-}
-
-void GrBitmapTextContext::flush() {
-    if (NULL == fDrawTarget) {
-        return;
-    }
-
-    if (fCurrVertex > 0) {
-        GrPipelineBuilder pipelineBuilder;
-        pipelineBuilder.setFromPaint(fPaint, fRenderTarget, fClip);
-
-        // setup our sampler state for our text texture/atlas
-        SkASSERT(SkIsAlign4(fCurrVertex));
-        SkASSERT(fCurrTexture);
-
-        SkASSERT(fStrike);
-        GrColor color = fPaint.getColor();
-        switch (fCurrMaskFormat) {
-                // Color bitmap text
-            case kARGB_GrMaskFormat: {
-                int a = fSkPaint.getAlpha();
-                color = SkColorSetARGB(a, a, a, a);
-                break;
-            }
-                // LCD text
-            case kA565_GrMaskFormat: {
-                // TODO: move supportsRGBCoverage check to setupCoverageEffect and only add LCD
-                // processor if the xp can support it. For now we will simply assume that if
-                // fUseLCDText is true, then we have a known color output.
-                const GrXPFactory* xpFactory = pipelineBuilder.getXPFactory();
-                if (!xpFactory->supportsRGBCoverage(0, kRGBA_GrColorComponentFlags)) {
-                    SkDebugf("LCD Text will not draw correctly.\n");
-                }
-                break;
-            }
-                // Grayscale/BW text
-            case kA8_GrMaskFormat:
-                break;
-            default:
-                SkFAIL("Unexpected mask format.");
-        }
-
-        GrTextureParams params(SkShader::kClamp_TileMode, GrTextureParams::kNone_FilterMode);
-        uint32_t textureUniqueID = fCurrTexture->getUniqueID();
-        if (textureUniqueID != fEffectTextureUniqueID ||
-            fCachedGeometryProcessor->color() != color ||
-            !fCachedGeometryProcessor->localMatrix().cheapEqualTo(fLocalMatrix)) {
-            // This will be ignored in the non A8 case
-            bool opaqueVertexColors = GrColorIsOpaque(fPaint.getColor());
-            fCachedGeometryProcessor.reset(GrBitmapTextGeoProc::Create(color,
-                                                                       fCurrTexture,
-                                                                       params,
-                                                                       fCurrMaskFormat,
-                                                                       opaqueVertexColors,
-                                                                       fLocalMatrix));
-            fEffectTextureUniqueID = textureUniqueID;
-        }
-
-        int nGlyphs = fCurrVertex / kVerticesPerGlyph;
-        fDrawTarget->setIndexSourceToBuffer(fContext->getQuadIndexBuffer());
-        fDrawTarget->drawIndexedInstances(&pipelineBuilder,
-                                          fCachedGeometryProcessor.get(),
-                                          kTriangles_GrPrimitiveType,
-                                          nGlyphs,
-                                          kVerticesPerGlyph,
-                                          kIndicesPerGlyph,
-                                          &fVertexBounds);
-
-        fDrawTarget->resetVertexSource();
-        fVertices = NULL;
-        fAllocVertexCount = 0;
-        // reset to be those that are left
-        fTotalVertexCount -= fCurrVertex;
-        fCurrVertex = 0;
-        fVertexBounds.setLargestInverted();
-        SkSafeSetNull(fCurrTexture);
-    }
-}
-
-inline void GrBitmapTextContext::finish() {
-    this->flush();
-    fTotalVertexCount = 0;
-
-    GrTextContext::finish();
-}