Restore text vertex buffer alloc and other optimizations.
Modifies the fontcache GM to ensure that the font cache is forced to flush.
Committed: https://skia.googlesource.com/skia/+/9c3d24b9d1ba3d955094ff0cb1ba2d11e1c1adca
R=bsalomon@google.com, robertphillips@google.com
Author: jvanverth@google.com
Review URL: https://codereview.chromium.org/466363009
diff --git a/expectations/gm/ignored-tests.txt b/expectations/gm/ignored-tests.txt
index 443626c..89d318a 100644
--- a/expectations/gm/ignored-tests.txt
+++ b/expectations/gm/ignored-tests.txt
@@ -38,3 +38,6 @@
# reed
matrixconvolution
+
+# Added as part of https://codereview.chromium.org/466363009/
+fontcache
diff --git a/gm/fontcache.cpp b/gm/fontcache.cpp
index 74ec18a..1260eeb 100644
--- a/gm/fontcache.cpp
+++ b/gm/fontcache.cpp
@@ -13,15 +13,15 @@
// GM to stress the GPU font cache
const char* gFamilyNames[] = {
- "sans-serif", "serif", "monospace"
+ "sans-serif", "serif"
};
const SkTypeface::Style gStyles[] = {
- SkTypeface::kNormal, SkTypeface::kItalic
+ SkTypeface::kNormal, SkTypeface::kItalic, SkTypeface::kBold
};
const SkScalar gTextSizes[] = {
- 12, 14, 16, 18, 20, 22, 24, 26, 28, 30
+ 192, 194, 196, 198, 200, 202, 204, 206
};
#define TYPEFACE_COUNT (SK_ARRAY_COUNT(gFamilyNames)*SK_ARRAY_COUNT(gStyles))
@@ -52,7 +52,7 @@
}
virtual SkISize onISize() SK_OVERRIDE {
- return SkISize::Make(640, 320);
+ return SkISize::Make(1280, 640);
}
virtual void onOnceBeforeDraw() SK_OVERRIDE {
@@ -72,35 +72,19 @@
paint.setLCDRenderText(true);
paint.setSubpixelText(true);
- SkString text("Ham");
+ SkString text("H");
- // draw some initial text to partially fill the GPU cache
- for (size_t i = 0; i < 2; ++i) {
- paint.setTypeface(fTypefaces[i]);
- SkScalar x = 20;
-
- for (size_t j = 0; j < SK_ARRAY_COUNT(gTextSizes); ++j) {
- paint.setTextSize(gTextSizes[j]);
- x = draw_string(canvas, text, x, y, paint) + 19;
- }
- y += 32;
- }
-
- // force a flush
- canvas->flush();
-
- // draw again, and more to overflow the cache
+ // draw enough to overflow the cache
for (size_t i = 0; i < TYPEFACE_COUNT; ++i) {
paint.setTypeface(fTypefaces[i]);
SkScalar x = 20;
for (size_t j = 0; j < SK_ARRAY_COUNT(gTextSizes); ++j) {
paint.setTextSize(gTextSizes[j]);
- x = draw_string(canvas, text, x, y, paint) + 19;
+ x = draw_string(canvas, text, x, y, paint) + 10;
}
- y += 32;
+ y += 128;
}
-
}
virtual uint32_t onGetFlags() const SK_OVERRIDE {
diff --git a/src/gpu/GrBitmapTextContext.cpp b/src/gpu/GrBitmapTextContext.cpp
index 6599d4e..17439b5 100755
--- a/src/gpu/GrBitmapTextContext.cpp
+++ b/src/gpu/GrBitmapTextContext.cpp
@@ -55,16 +55,12 @@
GrBitmapTextContext::GrBitmapTextContext(GrContext* context,
const SkDeviceProperties& properties)
- : GrTextContext(context, properties) {
- fStrike = NULL;
-
- fCurrTexture = NULL;
- fCurrVertex = 0;
- fEffectTextureUniqueID = SK_InvalidUniqueID;
-
- fVertices = NULL;
- fMaxVertices = 0;
-
+ : GrTextContext(context, properties)
+ , fStrike(NULL)
+ , fEffectTextureUniqueID(SK_InvalidUniqueID)
+ , fVertices(NULL)
+ , fVertexCount(0)
+ , fCurrVertex(0) {
fVertexBounds.setLargestInverted();
}
@@ -95,13 +91,14 @@
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();
+ GrTexture* currTexture = fStrike->getTexture();
+ SkASSERT(currTexture);
+ uint32_t textureUniqueID = currTexture->getUniqueID();
if (textureUniqueID != fEffectTextureUniqueID) {
- fCachedEffect.reset(GrCustomCoordsTextureEffect::Create(fCurrTexture, params));
+ fCachedEffect.reset(GrCustomCoordsTextureEffect::Create(currTexture, params));
fEffectTextureUniqueID = textureUniqueID;
}
@@ -153,14 +150,13 @@
fDrawTarget->drawIndexedInstances(kTriangles_GrPrimitiveType,
nGlyphs,
4, 6, &fVertexBounds);
-
- fDrawTarget->resetVertexSource();
- fVertices = NULL;
- fMaxVertices = 0;
+ fVertexCount = 0;
fCurrVertex = 0;
fVertexBounds.setLargestInverted();
- SkSafeSetNull(fCurrTexture);
}
+
+ fDrawTarget->resetVertexSource();
+ fVertices = NULL;
}
inline void GrBitmapTextContext::init(const GrPaint& paint, const SkPaint& skPaint) {
@@ -168,11 +164,9 @@
fStrike = NULL;
- fCurrTexture = NULL;
- fCurrVertex = 0;
-
fVertices = NULL;
- fMaxVertices = 0;
+ fVertexCount = 0;
+ fCurrVertex = 0;
}
inline void GrBitmapTextContext::finish() {
@@ -181,6 +175,26 @@
GrTextContext::finish();
}
+void GrBitmapTextContext::allocateVertices(const char text[], size_t byteLength) {
+ SkASSERT(NULL == fVertices);
+ bool useColorVerts = kA8_GrMaskFormat == fStrike->getMaskFormat();
+ if (useColorVerts) {
+ fDrawTarget->drawState()->setVertexAttribs<gTextVertexWithColorAttribs>(
+ SK_ARRAY_COUNT(gTextVertexWithColorAttribs),
+ kTextVAColorSize);
+ } else {
+ fDrawTarget->drawState()->setVertexAttribs<gTextVertexAttribs>(
+ SK_ARRAY_COUNT(gTextVertexAttribs),
+ kTextVASize);
+ }
+ fVertexCount = 4*fSkPaint.textToGlyphs(text, byteLength, NULL);
+ bool success = fDrawTarget->reserveVertexAndIndexSpace(fVertexCount,
+ 0,
+ &fVertices,
+ NULL);
+ GrAlwaysAssert(success);
+}
+
void GrBitmapTextContext::drawText(const GrPaint& paint, const SkPaint& skPaint,
const char text[], size_t byteLength,
SkScalar x, SkScalar y) {
@@ -192,13 +206,20 @@
}
this->init(paint, skPaint);
+
+ if (NULL == fDrawTarget) {
+ return;
+ }
SkDrawCacheProc glyphCacheProc = fSkPaint.getDrawCacheProc();
SkAutoGlyphCache autoCache(fSkPaint, &fDeviceProperties, &fContext->getMatrix());
SkGlyphCache* cache = autoCache.getCache();
GrFontScaler* fontScaler = GetGrFontScaler(cache);
-
+ if (NULL == fStrike) {
+ fStrike = fContext->getFontCache()->getStrike(fontScaler, false);
+ }
+
// transform our starting point
{
SkPoint loc;
@@ -226,7 +247,7 @@
const char* stop = text + byteLength;
- SkAutoKern autokern;
+ this->allocateVertices(text, byteLength);
SkFixed fxMask = ~0;
SkFixed fyMask = ~0;
@@ -251,6 +272,7 @@
GrContext::AutoMatrix autoMatrix;
autoMatrix.setIdentity(fContext, &fPaint);
+ SkAutoKern autokern;
while (text < stop) {
const SkGlyph& glyph = glyphCacheProc(cache, &text, fx & fxMask, fy & fyMask);
@@ -286,17 +308,26 @@
this->init(paint, skPaint);
+ if (NULL == fDrawTarget) {
+ return;
+ }
+
SkDrawCacheProc glyphCacheProc = fSkPaint.getDrawCacheProc();
SkAutoGlyphCache autoCache(fSkPaint, &fDeviceProperties, &fContext->getMatrix());
SkGlyphCache* cache = autoCache.getCache();
GrFontScaler* fontScaler = GetGrFontScaler(cache);
+ if (NULL == fStrike) {
+ fStrike = fContext->getFontCache()->getStrike(fontScaler, false);
+ }
// 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);
+ this->allocateVertices(text, byteLength);
+
const char* stop = text + byteLength;
SkTextAlignProc alignProc(fSkPaint.getTextAlign());
SkTextMapStateProc tmsProc(ctm, constY, scalarsPerPosition);
@@ -428,14 +459,6 @@
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;
@@ -476,9 +499,18 @@
}
// flush any accumulated draws to allow us to free up a plot
+ int remainingVertexCount = fVertexCount - fCurrVertex;
this->flushGlyphs();
fContext->flush();
+ // need to reallocate the vertex buffer for the remaining glyphs
+ fVertexCount = remainingVertexCount;
+ bool success = fDrawTarget->reserveVertexAndIndexSpace(fVertexCount,
+ 0,
+ &fVertices,
+ NULL);
+ GrAlwaysAssert(success);
+
// we should have an unused plot now
if (fContext->getFontCache()->freeUnusedPlot(fStrike) &&
fStrike->addGlyphToAtlas(glyph, scaler)) {
@@ -518,55 +550,6 @@
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), kTextVAColorSize);
- } else {
- fDrawTarget->drawState()->setVertexAttribs<gTextVertexAttribs>(
- SK_ARRAY_COUNT(gTextVertexAttribs), kTextVASize);
- }
- bool flush = fDrawTarget->geometryHints(&fMaxVertices, NULL);
- if (flush) {
- this->flushGlyphs();
- fContext->flush();
- if (useColorVerts) {
- fDrawTarget->drawState()->setVertexAttribs<gTextVertexWithColorAttribs>(
- SK_ARRAY_COUNT(gTextVertexWithColorAttribs), kTextVAColorSize);
- } else {
- fDrawTarget->drawState()->setVertexAttribs<gTextVertexAttribs>(
- SK_ARRAY_COUNT(gTextVertexAttribs), kTextVASize);
- }
- }
- 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);
@@ -578,6 +561,7 @@
fVertexBounds.growToInclude(r);
+ bool useColorVerts = kA8_GrMaskFormat == fStrike->getMaskFormat();
size_t vertSize = useColorVerts ? (2 * sizeof(SkPoint) + sizeof(GrColor)) :
(2 * sizeof(SkPoint));
diff --git a/src/gpu/GrBitmapTextContext.h b/src/gpu/GrBitmapTextContext.h
index 6d4ea6d..24ee7e8 100644
--- a/src/gpu/GrBitmapTextContext.h
+++ b/src/gpu/GrBitmapTextContext.h
@@ -30,9 +30,8 @@
virtual bool canDraw(const SkPaint& paint) SK_OVERRIDE;
private:
- GrTextStrike* fStrike;
-
void init(const GrPaint&, const SkPaint&);
+ void allocateVertices(const char text[], size_t byteLength);
void drawPackedGlyph(GrGlyph::PackedID, SkFixed left, SkFixed top, GrFontScaler*);
void flushGlyphs(); // automatically called by destructor
void finish();
@@ -44,12 +43,13 @@
kDefaultRequestedVerts = kDefaultRequestedGlyphs * 4,
};
- void* fVertices;
- int32_t fMaxVertices;
- GrTexture* fCurrTexture;
+ GrTextStrike* fStrike;
SkAutoTUnref<GrEffect> fCachedEffect;
// Used to check whether fCachedEffect is still valid.
uint32_t fEffectTextureUniqueID;
+
+ void* fVertices;
+ int fVertexCount;
int fCurrVertex;
SkRect fVertexBounds;
};
diff --git a/src/gpu/GrDistanceFieldTextContext.cpp b/src/gpu/GrDistanceFieldTextContext.cpp
index dc0ea95..429897d 100755
--- a/src/gpu/GrDistanceFieldTextContext.cpp
+++ b/src/gpu/GrDistanceFieldTextContext.cpp
@@ -60,24 +60,20 @@
GrDistanceFieldTextContext::GrDistanceFieldTextContext(GrContext* context,
const SkDeviceProperties& properties,
bool enable)
- : GrTextContext(context, properties) {
+ : GrTextContext(context, properties)
+ , fStrike(NULL)
#if SK_FORCE_DISTANCEFIELD_FONTS
- fEnableDFRendering = true;
+ , fEnableDFRendering(true)
#else
- fEnableDFRendering = enable;
+ , fEnableDFRendering(enable)
#endif
- fStrike = NULL;
- fGammaTexture = NULL;
-
- fCurrTexture = NULL;
- fCurrVertex = 0;
- fEffectTextureUniqueID = SK_InvalidUniqueID;
- fEffectColor = GrColor_ILLEGAL;
- fEffectFlags = 0;
-
- fVertices = NULL;
- fMaxVertices = 0;
-
+ , fEffectTextureUniqueID(SK_InvalidUniqueID)
+ , fEffectColor(GrColor_ILLEGAL)
+ , fEffectFlags(0)
+ , fGammaTexture(NULL)
+ , fVertices(NULL)
+ , fVertexCount(0)
+ , fCurrVertex(0) {
fVertexBounds.setLargestInverted();
}
@@ -126,7 +122,9 @@
GrTextureParams params(SkShader::kRepeat_TileMode, GrTextureParams::kBilerp_FilterMode);
GrTextureParams gammaParams(SkShader::kClamp_TileMode, GrTextureParams::kNone_FilterMode);
- uint32_t textureUniqueID = fCurrTexture->getUniqueID();
+ GrTexture* currTexture = fStrike->getTexture();
+ SkASSERT(currTexture);
+ uint32_t textureUniqueID = currTexture->getUniqueID();
// set up any flags
uint32_t flags = 0;
@@ -144,7 +142,7 @@
flags != fEffectFlags) {
if (fUseLCDText) {
GrColor colorNoPreMul = skcolor_to_grcolor_nopremultiply(filteredColor);
- fCachedEffect.reset(GrDistanceFieldLCDTextureEffect::Create(fCurrTexture,
+ fCachedEffect.reset(GrDistanceFieldLCDTextureEffect::Create(currTexture,
params,
fGammaTexture,
gammaParams,
@@ -154,14 +152,14 @@
#ifdef SK_GAMMA_APPLY_TO_A8
U8CPU lum = SkColorSpaceLuminance::computeLuminance(fDeviceProperties.fGamma,
filteredColor);
- fCachedEffect.reset(GrDistanceFieldTextureEffect::Create(fCurrTexture,
+ fCachedEffect.reset(GrDistanceFieldTextureEffect::Create(currTexture,
params,
fGammaTexture,
gammaParams,
lum/255.f,
flags));
#else
- fCachedEffect.reset(GrDistanceFieldTextureEffect::Create(fCurrTexture,
+ fCachedEffect.reset(GrDistanceFieldTextureEffect::Create(currTexture,
params, flags));
#endif
}
@@ -230,26 +228,17 @@
fDrawTarget->drawIndexedInstances(kTriangles_GrPrimitiveType,
nGlyphs,
4, 6, &fVertexBounds);
- fDrawTarget->resetVertexSource();
- fVertices = NULL;
- fMaxVertices = 0;
fCurrVertex = 0;
- SkSafeSetNull(fCurrTexture);
fVertexBounds.setLargestInverted();
}
+
+ fDrawTarget->resetVertexSource();
+ fVertices = NULL;
}
void GrDistanceFieldTextContext::drawPackedGlyph(GrGlyph::PackedID packed,
SkFixed vx, SkFixed vy,
GrFontScaler* scaler) {
- if (NULL == fDrawTarget) {
- return;
- }
-
- if (NULL == fStrike) {
- fStrike = fContext->getFontCache()->getStrike(scaler, true);
- }
-
GrGlyph* glyph = fStrike->getGlyph(packed, scaler);
if (NULL == glyph || glyph->fBounds.isEmpty()) {
return;
@@ -293,10 +282,19 @@
#endif
}
- // before we purge the cache, we must flush any accumulated draws
+ // flush any accumulated draws to allow us to free up a plot
+ int remainingVertexCount = fVertexCount - fCurrVertex;
this->flushGlyphs();
fContext->flush();
+ // need to reallocate the vertex buffer for the remaining glyphs
+ fVertexCount = remainingVertexCount;
+ bool success = fDrawTarget->reserveVertexAndIndexSpace(fVertexCount,
+ 0,
+ &fVertices,
+ NULL);
+ GrAlwaysAssert(success);
+
// we should have an unused plot now
if (fContext->getFontCache()->freeUnusedPlot(fStrike) &&
fStrike->addGlyphToAtlas(glyph, scaler)) {
@@ -332,59 +330,6 @@
GrTexture* texture = glyph->fPlot->texture();
SkASSERT(texture);
- if (fCurrTexture != texture || fCurrVertex + 4 > fMaxVertices) {
- this->flushGlyphs();
- fCurrTexture = texture;
- fCurrTexture->ref();
- }
-
- bool useColorVerts = !fUseLCDText;
-
- 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),
- kTextVAColorSize);
- } else {
- fDrawTarget->drawState()->setVertexAttribs<gTextVertexAttribs>(
- SK_ARRAY_COUNT(gTextVertexAttribs),
- kTextVASize);
- }
- bool flush = fDrawTarget->geometryHints(&fMaxVertices, NULL);
- if (flush) {
- this->flushGlyphs();
- fContext->flush();
- if (useColorVerts) {
- fDrawTarget->drawState()->setVertexAttribs<gTextVertexWithColorAttribs>(
- SK_ARRAY_COUNT(gTextVertexWithColorAttribs),
- kTextVAColorSize);
- } else {
- fDrawTarget->drawState()->setVertexAttribs<gTextVertexAttribs>(
- SK_ARRAY_COUNT(gTextVertexAttribs),
- kTextVASize);
- }
- }
- 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);
- }
-
SkScalar dx = SkIntToScalar(glyph->fBounds.fLeft + SK_DistanceFieldInset);
SkScalar dy = SkIntToScalar(glyph->fBounds.fTop + SK_DistanceFieldInset);
SkScalar width = SkIntToScalar(glyph->fBounds.width() - 2*SK_DistanceFieldInset);
@@ -397,7 +342,7 @@
sy += dy;
width *= scale;
height *= scale;
-
+
SkFixed tx = SkIntToFixed(glyph->fAtlasLocation.fX + SK_DistanceFieldInset);
SkFixed ty = SkIntToFixed(glyph->fAtlasLocation.fY + SK_DistanceFieldInset);
SkFixed tw = SkIntToFixed(glyph->fBounds.width() - 2*SK_DistanceFieldInset);
@@ -428,7 +373,7 @@
SkFixedToFloat(texture->normalizeFixedX(tx + tw)),
SkFixedToFloat(texture->normalizeFixedY(ty + th)),
vertSize);
- if (useColorVerts) {
+ if (!fUseLCDText) {
if (0xFF == GrColorUnpackA(fPaint.getColor())) {
fDrawTarget->drawState()->setHint(GrDrawState::kVertexColorsAreOpaque_Hint, true);
}
@@ -518,6 +463,25 @@
}
}
+void GrDistanceFieldTextContext::allocateVertices(const char text[], size_t byteLength) {
+ SkASSERT(NULL == fVertices);
+ if (!fUseLCDText) {
+ fDrawTarget->drawState()->setVertexAttribs<gTextVertexWithColorAttribs>(
+ SK_ARRAY_COUNT(gTextVertexWithColorAttribs),
+ kTextVAColorSize);
+ } else {
+ fDrawTarget->drawState()->setVertexAttribs<gTextVertexAttribs>(
+ SK_ARRAY_COUNT(gTextVertexAttribs),
+ kTextVASize);
+ }
+ fVertexCount = 4*fSkPaint.textToGlyphs(text, byteLength, NULL);
+ bool success = fDrawTarget->reserveVertexAndIndexSpace(fVertexCount,
+ 0,
+ &fVertices,
+ NULL);
+ GrAlwaysAssert(success);
+}
+
void GrDistanceFieldTextContext::drawText(const GrPaint& paint, const SkPaint& skPaint,
const char text[], size_t byteLength,
SkScalar x, SkScalar y) {
@@ -531,6 +495,10 @@
this->init(paint, skPaint);
+ if (NULL == fDrawTarget) {
+ return;
+ }
+
SkScalar sizeRatio = fTextRatio;
SkDrawCacheProc glyphCacheProc = fSkPaint.getDrawCacheProc();
@@ -538,9 +506,14 @@
SkAutoGlyphCacheNoGamma autoCache(fSkPaint, &fDeviceProperties, NULL);
SkGlyphCache* cache = autoCache.getCache();
GrFontScaler* fontScaler = GetGrFontScaler(cache);
+ if (NULL == fStrike) {
+ fStrike = fContext->getFontCache()->getStrike(fontScaler, true);
+ }
setup_gamma_texture(fContext, cache, fDeviceProperties, &fGammaTexture);
+ this->allocateVertices(text, byteLength);
+
// need to measure first
// TODO - generate positions and pre-load cache as well?
const char* stop = text + byteLength;
@@ -608,14 +581,23 @@
this->init(paint, skPaint);
+ if (NULL == fDrawTarget) {
+ return;
+ }
+
SkDrawCacheProc glyphCacheProc = fSkPaint.getDrawCacheProc();
SkAutoGlyphCacheNoGamma autoCache(fSkPaint, &fDeviceProperties, NULL);
SkGlyphCache* cache = autoCache.getCache();
GrFontScaler* fontScaler = GetGrFontScaler(cache);
+ if (NULL == fStrike) {
+ fStrike = fContext->getFontCache()->getStrike(fontScaler, true);
+ }
setup_gamma_texture(fContext, cache, fDeviceProperties, &fGammaTexture);
+ this->allocateVertices(text, byteLength);
+
const char* stop = text + byteLength;
if (SkPaint::kLeft_Align == fSkPaint.getTextAlign()) {
diff --git a/src/gpu/GrDistanceFieldTextContext.h b/src/gpu/GrDistanceFieldTextContext.h
index 75a13b3..c9fe82d 100644
--- a/src/gpu/GrDistanceFieldTextContext.h
+++ b/src/gpu/GrDistanceFieldTextContext.h
@@ -30,18 +30,8 @@
virtual bool canDraw(const SkPaint& paint) SK_OVERRIDE;
private:
- GrTextStrike* fStrike;
- SkScalar fTextRatio;
- bool fUseLCDText;
- bool fEnableDFRendering;
- SkAutoTUnref<GrEffect> fCachedEffect;
- // Used to check whether fCachedEffect is still valid.
- uint32_t fEffectTextureUniqueID;
- SkColor fEffectColor;
- uint32_t fEffectFlags;
- GrTexture* fGammaTexture;
-
void init(const GrPaint&, const SkPaint&);
+ void allocateVertices(const char text[], size_t byteLength);
void drawPackedGlyph(GrGlyph::PackedID, SkFixed left, SkFixed top, GrFontScaler*);
void flushGlyphs(); // automatically called by destructor
void setupCoverageEffect(const SkColor& filteredColor);
@@ -54,9 +44,19 @@
kDefaultRequestedVerts = kDefaultRequestedGlyphs * 4,
};
+ GrTextStrike* fStrike;
+ SkScalar fTextRatio;
+ bool fUseLCDText;
+ bool fEnableDFRendering;
+ SkAutoTUnref<GrEffect> fCachedEffect;
+ // Used to check whether fCachedEffect is still valid.
+ uint32_t fEffectTextureUniqueID;
+ SkColor fEffectColor;
+ uint32_t fEffectFlags;
+ GrTexture* fGammaTexture;
+
void* fVertices;
- int32_t fMaxVertices;
- GrTexture* fCurrTexture;
+ int fVertexCount;
int fCurrVertex;
SkRect fVertexBounds;
};
