Move vertex buffer setup out of drawPackedGlyph().
This gets a very welcome ~10% speedup on my Mac.
R=bsalomon@google.com
Author: jvanverth@google.com
Review URL: https://codereview.chromium.org/414573002
diff --git a/src/gpu/GrBitmapTextContext.cpp b/src/gpu/GrBitmapTextContext.cpp
index 3ca98e4..fe3fa31 100755
--- a/src/gpu/GrBitmapTextContext.cpp
+++ b/src/gpu/GrBitmapTextContext.cpp
@@ -59,7 +59,6 @@
fEffectTextureUniqueID = SK_InvalidUniqueID;
fVertices = NULL;
- fMaxVertices = 0;
fVertexBounds.setLargestInverted();
}
@@ -154,7 +153,6 @@
fDrawTarget->resetVertexSource();
fVertices = NULL;
- fMaxVertices = 0;
fCurrVertex = 0;
fVertexBounds.setLargestInverted();
SkSafeSetNull(fCurrTexture);
@@ -170,7 +168,6 @@
fCurrVertex = 0;
fVertices = NULL;
- fMaxVertices = 0;
}
inline void GrBitmapTextContext::finish() {
@@ -191,11 +188,18 @@
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
{
@@ -224,6 +228,23 @@
const char* stop = text + byteLength;
+ // allocate vertices
+ SkASSERT(NULL == fVertices);
+ bool useColorVerts = kA8_GrMaskFormat == fStrike->getMaskFormat();
+ if (useColorVerts) {
+ fDrawTarget->drawState()->setVertexAttribs<gTextVertexWithColorAttribs>(
+ SK_ARRAY_COUNT(gTextVertexWithColorAttribs));
+ } else {
+ fDrawTarget->drawState()->setVertexAttribs<gTextVertexAttribs>(
+ SK_ARRAY_COUNT(gTextVertexAttribs));
+ }
+ int numGlyphs = fSkPaint.textToGlyphs(text, byteLength, NULL);
+ bool success = fDrawTarget->reserveVertexAndIndexSpace(4*numGlyphs,
+ 0,
+ &fVertices,
+ NULL);
+ GrAlwaysAssert(success);
+
SkAutoKern autokern;
SkFixed fxMask = ~0;
@@ -284,17 +305,42 @@
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);
+ // allocate vertices
+ SkASSERT(NULL == fVertices);
+ bool useColorVerts = kA8_GrMaskFormat == fStrike->getMaskFormat();
+ if (useColorVerts) {
+ fDrawTarget->drawState()->setVertexAttribs<gTextVertexWithColorAttribs>(
+ SK_ARRAY_COUNT(gTextVertexWithColorAttribs));
+ } else {
+ fDrawTarget->drawState()->setVertexAttribs<gTextVertexAttribs>(
+ SK_ARRAY_COUNT(gTextVertexAttribs));
+ }
+ int numGlyphs = fSkPaint.textToGlyphs(text, byteLength, NULL);
+ bool success = fDrawTarget->reserveVertexAndIndexSpace(4*numGlyphs,
+ 0,
+ &fVertices,
+ NULL);
+ GrAlwaysAssert(success);
+
const char* stop = text + byteLength;
SkTextAlignProc alignProc(fSkPaint.getTextAlign());
SkTextMapStateProc tmsProc(ctm, constY, scalarsPerPosition);
@@ -426,14 +472,6 @@
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;
@@ -516,55 +554,12 @@
GrTexture* texture = glyph->fPlot->texture();
SkASSERT(texture);
- if (fCurrTexture != texture || fCurrVertex + 4 > fMaxVertices) {
+ if (fCurrTexture != texture) {
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);
@@ -576,6 +571,7 @@
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..da7b5ca 100644
--- a/src/gpu/GrBitmapTextContext.h
+++ b/src/gpu/GrBitmapTextContext.h
@@ -45,7 +45,6 @@
};
void* fVertices;
- int32_t fMaxVertices;
GrTexture* fCurrTexture;
SkAutoTUnref<GrEffect> fCachedEffect;
// Used to check whether fCachedEffect is still valid.
diff --git a/src/gpu/GrDistanceFieldTextContext.cpp b/src/gpu/GrDistanceFieldTextContext.cpp
index fe6e50f..f7d4f6f 100755
--- a/src/gpu/GrDistanceFieldTextContext.cpp
+++ b/src/gpu/GrDistanceFieldTextContext.cpp
@@ -52,7 +52,6 @@
fCurrVertex = 0;
fVertices = NULL;
- fMaxVertices = 0;
}
GrDistanceFieldTextContext::~GrDistanceFieldTextContext() {
@@ -178,7 +177,6 @@
4, 6);
fDrawTarget->resetVertexSource();
fVertices = NULL;
- fMaxVertices = 0;
fCurrVertex = 0;
SkSafeSetNull(fCurrTexture);
}
@@ -197,13 +195,6 @@
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;
@@ -286,44 +277,12 @@
GrTexture* texture = glyph->fPlot->texture();
SkASSERT(texture);
- if (fCurrTexture != texture || fCurrVertex + 4 > fMaxVertices) {
+ if (fCurrTexture != texture) {
this->flushGlyphs();
fCurrTexture = texture;
fCurrTexture->ref();
}
- 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;
- fDrawTarget->drawState()->setVertexAttribs<gTextVertexAttribs>(
- SK_ARRAY_COUNT(gTextVertexAttribs));
- bool flush = fDrawTarget->geometryHints(&fMaxVertices, NULL);
- if (flush) {
- this->flushGlyphs();
- fContext->flush();
- 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,
- GrTCast<void**>(&fVertices),
- NULL);
- GrAlwaysAssert(success);
- SkASSERT(2*sizeof(SkPoint) == fDrawTarget->getDrawState().getVertexSize());
- }
-
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);
@@ -343,12 +302,16 @@
SkFixed th = SkIntToFixed(glyph->fBounds.height() - 2*SK_DistanceFieldInset);
static const size_t kVertexSize = 2 * sizeof(SkPoint);
- fVertices[2*fCurrVertex].setRectFan(sx,
- sy,
- sx + width,
- sy + height,
- kVertexSize);
- fVertices[2*fCurrVertex+1].setRectFan(SkFixedToFloat(texture->normalizeFixedX(tx)),
+ SkPoint* positions = reinterpret_cast<SkPoint*>(
+ reinterpret_cast<intptr_t>(fVertices) + kVertexSize * fCurrVertex);
+ positions->setRectFan(sx,
+ sy,
+ sx + width,
+ sy + height,
+ kVertexSize);
+ SkPoint* textureCoords = reinterpret_cast<SkPoint*>(
+ reinterpret_cast<intptr_t>(positions) + kVertexSize - sizeof(SkPoint));
+ textureCoords->setRectFan(SkFixedToFloat(texture->normalizeFixedX(tx)),
SkFixedToFloat(texture->normalizeFixedY(ty)),
SkFixedToFloat(texture->normalizeFixedX(tx + tw)),
SkFixedToFloat(texture->normalizeFixedY(ty + th)),
@@ -365,7 +328,6 @@
fCurrVertex = 0;
fVertices = NULL;
- fMaxVertices = 0;
if (fSkPaint.getTextSize() <= kSmallDFFontLimit) {
fTextRatio = fSkPaint.getTextSize()/kSmallDFFontSize;
@@ -446,6 +408,10 @@
this->init(paint, skPaint);
+ if (NULL == fDrawTarget) {
+ return;
+ }
+
SkScalar sizeRatio = fTextRatio;
SkDrawCacheProc glyphCacheProc = fSkPaint.getDrawCacheProc();
@@ -453,9 +419,23 @@
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);
+ // allocate vertices
+ SkASSERT(NULL == fVertices);
+ fDrawTarget->drawState()->setVertexAttribs<gTextVertexAttribs>(
+ SK_ARRAY_COUNT(gTextVertexAttribs));
+ int numGlyphs = fSkPaint.textToGlyphs(text, byteLength, NULL);
+ bool success = fDrawTarget->reserveVertexAndIndexSpace(4*numGlyphs,
+ 0,
+ &fVertices,
+ NULL);
+ GrAlwaysAssert(success);
+
// need to measure first
// TODO - generate positions and pre-load cache as well?
const char* stop = text + byteLength;
@@ -523,11 +503,29 @@
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);
+ }
+
+ // allocate vertices
+ SkASSERT(NULL == fVertices);
+ fDrawTarget->drawState()->setVertexAttribs<gTextVertexAttribs>(
+ SK_ARRAY_COUNT(gTextVertexAttribs));
+ int numGlyphs = fSkPaint.textToGlyphs(text, byteLength, NULL);
+ bool success = fDrawTarget->reserveVertexAndIndexSpace(4*numGlyphs,
+ 0,
+ &fVertices,
+ NULL);
+ GrAlwaysAssert(success);
setup_gamma_texture(fContext, cache, fDeviceProperties, &fGammaTexture);
diff --git a/src/gpu/GrDistanceFieldTextContext.h b/src/gpu/GrDistanceFieldTextContext.h
index 3a602f0..77e56c6 100644
--- a/src/gpu/GrDistanceFieldTextContext.h
+++ b/src/gpu/GrDistanceFieldTextContext.h
@@ -48,8 +48,7 @@
kDefaultRequestedVerts = kDefaultRequestedGlyphs * 4,
};
- SkPoint* fVertices;
- int32_t fMaxVertices;
+ void* fVertices;
GrTexture* fCurrTexture;
int fCurrVertex;
};
