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Delete GrTextContext

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TBR=bsalomon@google.com
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1699073004

Review URL: https://codereview.chromium.org/1699073004
This commit is contained in:
joshualitt 2016-02-16 11:09:25 -08:00 committed by Commit bot
parent 546d66544b
commit 8e84a1ed07
15 changed files with 82 additions and 168 deletions
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2
gyp/gpu.gypi
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@ -308,8 +308,6 @@
'<(skia_src_path)/gpu/text/GrStencilAndCoverTextContext.h',
'<(skia_src_path)/gpu/text/GrTextBlobCache.cpp',
'<(skia_src_path)/gpu/text/GrTextBlobCache.h',
'<(skia_src_path)/gpu/text/GrTextContext.cpp',
'<(skia_src_path)/gpu/text/GrTextContext.h',
'<(skia_src_path)/gpu/text/GrTextUtils.cpp',
'<(skia_src_path)/gpu/text/GrTextUtils.h',

4
include/gpu/GrDrawContext.h
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@ -14,6 +14,7 @@
#include "SkSurfaceProps.h"
#include "../private/GrSingleOwner.h"
class GrAtlasTextContext;
class GrAuditTrail;
class GrClip;
class GrContext;
@ -27,7 +28,6 @@ class GrPipelineBuilder;
class GrRenderTarget;
class GrStrokeInfo;
class GrSurface;
class GrTextContext;
class SkDrawFilter;
struct SkIPoint;
struct SkIRect;
@ -316,7 +316,7 @@ private:
// In MDB-mode the drawTarget can be closed by some other drawContext that has picked
// it up. For this reason, the drawTarget should only ever be accessed via 'getDrawTarget'.
GrDrawTarget* fDrawTarget;
GrTextContext* fAtlasTextContext; // lazily gotten from GrContext::DrawingManager
GrAtlasTextContext* fAtlasTextContext;
GrContext* fContext;
SkSurfaceProps fSurfaceProps;

7
src/gpu/GrDrawingManager.h
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@ -18,13 +18,8 @@ class GrContext;
class GrDrawContext;
class GrSingleOWner;
class GrSoftwarePathRenderer;
class GrTextContext;
// Currently the DrawingManager creates a separate GrTextContext for each
// combination of text drawing options (pixel geometry x DFT use)
// and hands the appropriate one back given the DrawContext's request.
//
// It allocates a new GrDrawContext for each GrRenderTarget
// The GrDrawingManager allocates a new GrDrawContext for each GrRenderTarget
// but all of them still land in the same GrDrawTarget!
//
// In the future this class will allocate a new GrDrawContext for

4
src/gpu/SkGpuDevice.cpp
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@ -46,7 +46,7 @@
#include "effects/GrDashingEffect.h"
#include "effects/GrSimpleTextureEffect.h"
#include "effects/GrTextureDomain.h"
#include "text/GrTextContext.h"
#include "text/GrTextUtils.h"
#if SK_SUPPORT_GPU
@ -1755,7 +1755,7 @@ void SkGpuDevice::drawTextBlob(const SkDraw& draw, const SkTextBlob* blob, SkSca
///////////////////////////////////////////////////////////////////////////////
bool SkGpuDevice::onShouldDisableLCD(const SkPaint& paint) const {
return GrTextContext::ShouldDisableLCD(paint);
return GrTextUtils::ShouldDisableLCD(paint);
}
void SkGpuDevice::flush() {

2
src/gpu/text/GrAtlasTextBlob.cpp
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@ -366,7 +366,7 @@ void GrAtlasTextBlob::flushRunAsPaths(GrContext* context, GrDrawContext* dc,
return;
}
runPaint.setFlags(GrTextContext::FilterTextFlags(props, runPaint));
runPaint.setFlags(GrTextUtils::FilterTextFlags(props, runPaint));
switch (it.positioning()) {
case SkTextBlob::kDefault_Positioning:

1
src/gpu/text/GrAtlasTextBlob.h
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@ -20,7 +20,6 @@
class GrBlobRegenHelper;
struct GrDistanceFieldAdjustTable;
class GrMemoryPool;
class GrTextContext;
class SkDrawFilter;
class SkTextBlob;
class SkTextBlobRunIterator;

3
src/gpu/text/GrAtlasTextBlob_regenInBatch.cpp
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@ -8,6 +8,7 @@
#include "GrAtlasTextBlob.h"
#include "GrBatchFlushState.h"
#include "GrTextUtils.h"
#include "SkDistanceFieldGen.h"
#include "SkGlyphCache.h"
@ -146,7 +147,7 @@ void GrAtlasTextBlob::regenInBatch(GrDrawBatch::Target* target,
}
*desc = newDesc;
*cache = SkGlyphCache::DetachCache(run->fTypeface, *desc);
*scaler = GrTextContext::GetGrFontScaler(*cache);
*scaler = GrTextUtils::GetGrFontScaler(*cache);
*typeface = run->fTypeface;
}

5
src/gpu/text/GrAtlasTextContext.cpp
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@ -190,7 +190,7 @@ void GrAtlasTextContext::RegenerateTextBlob(GrAtlasTextBlob* cacheBlob,
continue;
}
runPaint.setFlags(FilterTextFlags(props, runPaint));
runPaint.setFlags(GrTextUtils::FilterTextFlags(props, runPaint));
cacheBlob->push_back_run(run);
@ -373,9 +373,6 @@ DRAW_BATCH_TEST_DEFINE(TextBlobBatch) {
gContextID = context->uniqueID();
delete gTextContext;
// We don't yet test the fall back to paths in the GrTextContext base class. This is mostly
// because we don't really want to have a gpu device here.
// We enable distance fields by twiddling a knob on the paint
gTextContext = GrAtlasTextContext::Create();
}

14
src/gpu/text/GrAtlasTextContext.h
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@ -8,8 +8,6 @@
#ifndef GrAtlasTextContext_DEFINED
#define GrAtlasTextContext_DEFINED
#include "GrTextContext.h"
#include "GrAtlasTextBlob.h"
#include "GrDistanceFieldAdjustTable.h"
#include "GrGeometryProcessor.h"
@ -27,9 +25,9 @@ class GrTextBlobCache;
class SkGlyph;
/*
* This class implements GrTextContext using standard bitmap fonts, and can also process textblobs.
* Renders text using some kind of an atlas, ie BitmapText or DistanceField text
*/
class GrAtlasTextContext : public GrTextContext {
class GrAtlasTextContext {
public:
static GrAtlasTextContext* Create();
@ -38,16 +36,16 @@ public:
void drawText(GrContext*, GrDrawContext*, const GrClip&, const GrPaint&, const SkPaint&,
const SkMatrix& viewMatrix, const SkSurfaceProps&, const char text[],
size_t byteLength, SkScalar x, SkScalar y,
const SkIRect& regionClipBounds) override;
const SkIRect& regionClipBounds);
void drawPosText(GrContext*, GrDrawContext*, const GrClip&, const GrPaint&,
const SkPaint&, const SkMatrix& viewMatrix, const SkSurfaceProps&,
const char text[], size_t byteLength,
const SkScalar pos[], int scalarsPerPosition,
const SkPoint& offset, const SkIRect& regionClipBounds) override;
const SkPoint& offset, const SkIRect& regionClipBounds);
void drawTextBlob(GrContext*, GrDrawContext*, const GrClip&, const SkPaint&,
const SkMatrix& viewMatrix, const SkSurfaceProps&, const SkTextBlob*,
SkScalar x, SkScalar y,
SkDrawFilter*, const SkIRect& clipBounds) override;
SkDrawFilter*, const SkIRect& clipBounds);
private:
GrAtlasTextContext();
@ -87,8 +85,6 @@ private:
#ifdef GR_TEST_UTILS
DRAW_BATCH_TEST_FRIEND(TextBlobBatch);
#endif
typedef GrTextContext INHERITED;
};
#endif

4
src/gpu/text/GrStencilAndCoverTextContext.cpp
View File

@ -159,7 +159,7 @@ void GrStencilAndCoverTextContext::uncachedDrawTextBlob(GrContext* context,
continue;
}
runPaint.setFlags(FilterTextFlags(props, runPaint));
runPaint.setFlags(GrTextUtils::FilterTextFlags(props, runPaint));
GrPaint grPaint;
if (!SkPaintToGrPaint(context, runPaint, viewMatrix, &grPaint)) {
@ -572,7 +572,7 @@ void GrStencilAndCoverTextContext::TextRun::draw(GrContext* ctx,
const SkSurfaceProps& props,
SkScalar x, SkScalar y,
const SkIRect& clipBounds,
GrTextContext* fallbackTextContext,
GrAtlasTextContext* fallbackTextContext,
const SkPaint& originalSkPaint) const {
SkASSERT(fInstanceData);
SkASSERT(dc->accessRenderTarget()->isStencilBufferMultisampled() || !fFont.isAntiAlias());

16
src/gpu/text/GrStencilAndCoverTextContext.h
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@ -8,9 +8,10 @@
#ifndef GrStencilAndCoverTextContext_DEFINED
#define GrStencilAndCoverTextContext_DEFINED
#include "GrTextContext.h"
#include "GrDrawTarget.h"
#include "GrStrokeInfo.h"
#include "SkDrawFilter.h"
#include "SkTextBlob.h"
#include "SkTHash.h"
#include "SkTInternalLList.h"
#include "SkTLList.h"
@ -24,9 +25,8 @@ class SkSurfaceProps;
/*
* This class implements text rendering using stencil and cover path rendering
* (by the means of GrDrawTarget::drawPath).
* This class exposes the functionality through GrTextContext interface.
*/
class GrStencilAndCoverTextContext : public GrTextContext {
class GrStencilAndCoverTextContext {
public:
static GrStencilAndCoverTextContext* Create();
@ -34,17 +34,17 @@ public:
const GrClip&, const GrPaint&, const SkPaint&,
const SkMatrix& viewMatrix, const SkSurfaceProps&, const char text[],
size_t byteLength, SkScalar x,
SkScalar y, const SkIRect& clipBounds) override;
SkScalar y, const SkIRect& clipBounds);
void drawPosText(GrContext*, GrDrawContext*,
const GrClip&, const GrPaint&, const SkPaint&,
const SkMatrix& viewMatrix, const SkSurfaceProps&,
const char text[], size_t byteLength,
const SkScalar pos[], int scalarsPerPosition,
const SkPoint& offset, const SkIRect& clipBounds) override;
const SkPoint& offset, const SkIRect& clipBounds);
void drawTextBlob(GrContext*, GrDrawContext*, const GrClip&, const SkPaint&,
const SkMatrix& viewMatrix, const SkSurfaceProps&, const SkTextBlob*,
SkScalar x, SkScalar y,
SkDrawFilter*, const SkIRect& clipBounds) override;
SkDrawFilter*, const SkIRect& clipBounds);
virtual ~GrStencilAndCoverTextContext();
@ -81,7 +81,7 @@ private:
void draw(GrContext*, GrDrawContext*, GrPipelineBuilder*, GrColor, const SkMatrix&,
const SkSurfaceProps&,
SkScalar x, SkScalar y, const SkIRect& clipBounds,
GrTextContext* fallbackTextContext, const SkPaint& originalSkPaint) const;
GrAtlasTextContext* fallbackTextContext, const SkPaint& originalSkPaint) const;
void releaseGlyphCache() const;
@ -152,8 +152,6 @@ private:
SkTHashTable<TextBlob*, const TextBlob::Key&, TextBlob> fBlobKeyCache;
SkTInternalLList<TextBlob> fLRUList;
size_t fCacheSize;
typedef GrTextContext INHERITED;
};
#endif

59
src/gpu/text/GrTextContext.cpp
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@ -1,59 +0,0 @@
/*
* Copyright 2010 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "GrTextContext.h"
#include "GrFontScaler.h"
#include "SkGlyphCache.h"
bool GrTextContext::ShouldDisableLCD(const SkPaint& paint) {
if (!SkXfermode::AsMode(paint.getXfermode(), nullptr) ||
paint.getMaskFilter() ||
paint.getRasterizer() ||
paint.getPathEffect() ||
paint.isFakeBoldText() ||
paint.getStyle() != SkPaint::kFill_Style)
{
return true;
}
return false;
}
uint32_t GrTextContext::FilterTextFlags(const SkSurfaceProps& surfaceProps, const SkPaint& paint) {
uint32_t flags = paint.getFlags();
if (!paint.isLCDRenderText() || !paint.isAntiAlias()) {
return flags;
}
if (kUnknown_SkPixelGeometry == surfaceProps.pixelGeometry() || ShouldDisableLCD(paint)) {
flags &= ~SkPaint::kLCDRenderText_Flag;
flags |= SkPaint::kGenA8FromLCD_Flag;
}
return flags;
}
static void GlyphCacheAuxProc(void* data) {
GrFontScaler* scaler = (GrFontScaler*)data;
SkSafeUnref(scaler);
}
GrFontScaler* GrTextContext::GetGrFontScaler(SkGlyphCache* cache) {
void* auxData;
GrFontScaler* scaler = nullptr;
if (cache->getAuxProcData(GlyphCacheAuxProc, &auxData)) {
scaler = (GrFontScaler*)auxData;
}
if (nullptr == scaler) {
scaler = new GrFontScaler(cache);
cache->setAuxProc(GlyphCacheAuxProc, scaler);
}
return scaler;
}

60
src/gpu/text/GrTextContext.h
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@ -1,60 +0,0 @@
/*
* Copyright 2010 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrTextContext_DEFINED
#define GrTextContext_DEFINED
#include "GrClip.h"
#include "GrGlyph.h"
#include "GrPaint.h"
#include "SkSurfaceProps.h"
#include "SkPostConfig.h"
class GrClip;
class GrContext;
class GrDrawContext;
class GrFontScaler;
class SkDrawFilter;
class SkTextBlob;
/*
* This class wraps the state for a single text render
*/
class GrTextContext {
public:
virtual ~GrTextContext() {}
virtual void drawText(GrContext*, GrDrawContext* dc,
const GrClip&, const GrPaint&, const SkPaint&,
const SkMatrix& viewMatrix,
const SkSurfaceProps& props, const char text[], size_t byteLength,
SkScalar x, SkScalar y, const SkIRect& clipBounds) = 0;
virtual void drawPosText(GrContext*, GrDrawContext* dc,
const GrClip&, const GrPaint&, const SkPaint&,
const SkMatrix& viewMatrix,
const SkSurfaceProps& props,
const char text[], size_t byteLength,
const SkScalar pos[], int scalarsPerPosition,
const SkPoint& offset, const SkIRect& clipBounds) = 0;
virtual void drawTextBlob(GrContext*, GrDrawContext* dc, const GrClip&,
const SkPaint&, const SkMatrix& viewMatrix,
const SkSurfaceProps& props, const SkTextBlob*,
SkScalar x, SkScalar y,
SkDrawFilter*, const SkIRect& clipBounds) = 0;
static bool ShouldDisableLCD(const SkPaint& paint);
protected:
static GrFontScaler* GetGrFontScaler(SkGlyphCache* cache);
static uint32_t FilterTextFlags(const SkSurfaceProps& surfaceProps, const SkPaint& paint);
friend class GrAtlasTextBatch;
friend class GrAtlasTextBlob; // for FilterTextFlags
friend class GrTextUtils; // for some static functions
};
#endif

51
src/gpu/text/GrTextUtils.cpp
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@ -13,7 +13,6 @@
#include "GrCaps.h"
#include "GrContext.h"
#include "GrDrawContext.h"
#include "GrTextContext.h"
#include "SkDistanceFieldGen.h"
#include "SkDrawProcs.h"
@ -59,7 +58,7 @@ void GrTextUtils::DrawBmpText(GrAtlasTextBlob* blob, int runIndex,
// Get GrFontScaler from cache
SkGlyphCache* cache = blob->setupCache(runIndex, props, skPaint, &viewMatrix, false);
GrFontScaler* fontScaler = GrTextContext::GetGrFontScaler(cache);
GrFontScaler* fontScaler = GrTextUtils::GetGrFontScaler(cache);
SkFindAndPlaceGlyph::ProcessText(
skPaint.getTextEncoding(), text, byteLength,
@ -100,7 +99,7 @@ void GrTextUtils::DrawBmpPosText(GrAtlasTextBlob* blob, int runIndex,
// Get GrFontScaler from cache
SkGlyphCache* cache = blob->setupCache(runIndex, props, skPaint, &viewMatrix, false);
GrFontScaler* fontScaler = GrTextContext::GetGrFontScaler(cache);
GrFontScaler* fontScaler = GrTextUtils::GetGrFontScaler(cache);
SkFindAndPlaceGlyph::ProcessPosText(
skPaint.getTextEncoding(), text, byteLength,
@ -342,7 +341,7 @@ void GrTextUtils::DrawDFPosText(GrAtlasTextBlob* blob, int runIndex,
SkGlyphCache* cache = blob->setupCache(runIndex, props, dfPaint, nullptr, true);
SkDrawCacheProc glyphCacheProc = dfPaint.getDrawCacheProc();
GrFontScaler* fontScaler = GrTextContext::GetGrFontScaler(cache);
GrFontScaler* fontScaler = GrTextUtils::GetGrFontScaler(cache);
const char* stop = text + byteLength;
@ -536,3 +535,47 @@ void GrTextUtils::DrawPosTextAsPath(GrContext* context,
pos += scalarsPerPosition;
}
}
bool GrTextUtils::ShouldDisableLCD(const SkPaint& paint) {
return !SkXfermode::AsMode(paint.getXfermode(), nullptr) ||
paint.getMaskFilter() ||
paint.getRasterizer() ||
paint.getPathEffect() ||
paint.isFakeBoldText() ||
paint.getStyle() != SkPaint::kFill_Style;
}
uint32_t GrTextUtils::FilterTextFlags(const SkSurfaceProps& surfaceProps, const SkPaint& paint) {
uint32_t flags = paint.getFlags();
if (!paint.isLCDRenderText() || !paint.isAntiAlias()) {
return flags;
}
if (kUnknown_SkPixelGeometry == surfaceProps.pixelGeometry() || ShouldDisableLCD(paint)) {
flags &= ~SkPaint::kLCDRenderText_Flag;
flags |= SkPaint::kGenA8FromLCD_Flag;
}
return flags;
}
static void glyph_cache_aux_proc(void* data) {
GrFontScaler* scaler = (GrFontScaler*)data;
SkSafeUnref(scaler);
}
GrFontScaler* GrTextUtils::GetGrFontScaler(SkGlyphCache* cache) {
void* auxData;
GrFontScaler* scaler = nullptr;
if (cache->getAuxProcData(glyph_cache_aux_proc, &auxData)) {
scaler = (GrFontScaler*)auxData;
}
if (nullptr == scaler) {
scaler = new GrFontScaler(cache);
cache->setAuxProc(glyph_cache_aux_proc, scaler);
}
return scaler;
}

6
src/gpu/text/GrTextUtils.h
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@ -81,6 +81,12 @@ public:
const char text[], size_t byteLength,
const SkScalar pos[], int scalarsPerPosition,
const SkPoint& offset, const SkIRect& clipBounds);
static bool ShouldDisableLCD(const SkPaint& paint);
static GrFontScaler* GetGrFontScaler(SkGlyphCache* cache);
static uint32_t FilterTextFlags(const SkSurfaceProps& surfaceProps, const SkPaint& paint);
private:
static void InitDistanceFieldPaint(GrAtlasTextBlob* blob,
SkPaint* skPaint,