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Replace GrStrokeInfo with GrStyle.

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A side effect is that arbitrary path effects can no be pushed deeper into the Ganesh flow for paths. They may be applied by path renderers.
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1957363002

Committed: https://skia.googlesource.com/skia/+/33595bdf4b64a745f6340338d307e806e96c587f

Review-Url: https://codereview.chromium.org/1957363002
This commit is contained in:
bsalomon 2016-05-10 09:14:17 -07:00 committed by Commit bot
parent 44d427e048
commit 6663acff01
49 changed files with 664 additions and 900 deletions
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2
gyp/gpu.gypi
View File

@ -174,8 +174,6 @@
'<(skia_src_path)/gpu/GrStencil.h',
'<(skia_src_path)/gpu/GrStencilAttachment.cpp',
'<(skia_src_path)/gpu/GrStencilAttachment.h',
'<(skia_src_path)/gpu/GrStrokeInfo.cpp',
'<(skia_src_path)/gpu/GrStrokeInfo.h',
'<(skia_src_path)/gpu/GrStyle.cpp',
'<(skia_src_path)/gpu/GrStyle.h',
'<(skia_src_path)/gpu/GrTessellator.cpp',

1
include/gpu/GrContext.h
View File

@ -43,7 +43,6 @@ class GrTextBlobCache;
class GrTextContext;
class GrTextureParams;
class GrVertexBuffer;
class GrStrokeInfo;
class GrSwizzle;
class SkTraceMemoryDump;

31
include/gpu/GrDrawContext.h
View File

@ -28,7 +28,7 @@ class GrPaint;
class GrPathProcessor;
class GrPipelineBuilder;
class GrRenderTarget;
class GrStrokeInfo;
class GrStyle;
class GrSurface;
class SkDrawFilter;
struct SkIPoint;
@ -53,7 +53,7 @@ public:
// TODO: it is odd that we need both the SkPaint in the following 3 methods.
// We should extract the text parameters from SkPaint and pass them separately
// akin to GrStrokeInfo (GrTextInfo?)
// akin to GrStyle (GrTextInfo?)
virtual void drawText(const GrClip&, const GrPaint&, const SkPaint&,
const SkMatrix& viewMatrix, const char text[], size_t byteLength,
SkScalar x, SkScalar y, const SkIRect& clipBounds);
@ -90,19 +90,15 @@ public:
* Draw the rect using a paint.
* @param paint describes how to color pixels.
* @param viewMatrix transformation matrix
* @param strokeInfo the stroke information (width, join, cap), and.
* the dash information (intervals, count, phase).
* If strokeInfo == NULL, then the rect is filled.
* Otherwise, if stroke width == 0, then the stroke
* is always a single pixel thick, else the rect is
* mitered/beveled stroked based on stroke width.
* @param style The style to apply. Null means fill. Currently path effects are not
* allowed.
* The rects coords are used to access the paint (through texture matrix)
*/
void drawRect(const GrClip&,
const GrPaint& paint,
const SkMatrix& viewMatrix,
const SkRect&,
const GrStrokeInfo* strokeInfo = nullptr);
const GrStyle* style = nullptr);
/**
* Maps a rectangle of shader coordinates to a rectangle and fills that rectangle.
@ -133,14 +129,13 @@ public:
* @param paint describes how to color pixels.
* @param viewMatrix transformation matrix
* @param rrect the roundrect to draw
* @param strokeInfo the stroke information (width, join, cap) and
* the dash information (intervals, count, phase).
* @param style style to apply to the rrect. Currently path effects are not allowed.
*/
void drawRRect(const GrClip&,
const GrPaint&,
const SkMatrix& viewMatrix,
const SkRRect& rrect,
const GrStrokeInfo&);
const GrStyle& style);
/**
* Shortcut for drawing an SkPath consisting of nested rrects using a paint.
@ -164,14 +159,13 @@ public:
* @param paint describes how to color pixels.
* @param viewMatrix transformation matrix
* @param path the path to draw
* @param strokeInfo the stroke information (width, join, cap) and
* the dash information (intervals, count, phase).
* @param style style to apply to the path.
*/
void drawPath(const GrClip&,
const GrPaint&,
const SkMatrix& viewMatrix,
const SkPath&,
const GrStrokeInfo&);
const GrStyle& style);
/**
* Draws vertices with a paint.
@ -226,14 +220,13 @@ public:
* @param paint describes how to color pixels.
* @param viewMatrix transformation matrix
* @param oval the bounding rect of the oval.
* @param strokeInfo the stroke information (width, join, cap) and
* the dash information (intervals, count, phase).
* @param style style to apply to the oval. Currently path effects are not allowed.
*/
void drawOval(const GrClip&,
const GrPaint& paint,
const SkMatrix& viewMatrix,
const SkRect& oval,
const GrStrokeInfo& strokeInfo);
const GrStyle& style);
/**
* Draw the image stretched differentially to fit into dst.
@ -318,7 +311,7 @@ private:
const GrPaint& paint,
const SkMatrix& viewMatrix,
const SkPath& path,
const GrStrokeInfo& strokeInfo);
const GrStyle& style);
// This entry point allows the GrTextContext-derived classes to add their batches to
// the drawTarget.

35
include/gpu/GrTestUtils.h
View File

@ -13,10 +13,12 @@
#ifdef GR_TEST_UTILS
#include "GrColor.h"
#include "SkPathEffect.h"
#include "SkRandom.h"
#include "SkStrokeRec.h"
#include "../private/SkTemplates.h"
class GrStrokeInfo;
class GrStyle;
class SkMatrix;
class SkPath;
class SkRRect;
@ -24,7 +26,7 @@ struct SkRect;
namespace GrTest {
/**
* A helper for use in Test functions.
* Helpers for use in Test functions.
*/
const SkMatrix& TestMatrix(SkRandom*);
const SkMatrix& TestMatrixPreservesRightAngles(SkRandom*);
@ -36,9 +38,34 @@ const SkRRect& TestRRectSimple(SkRandom*);
const SkPath& TestPath(SkRandom*);
const SkPath& TestPathConvex(SkRandom*);
SkStrokeRec TestStrokeRec(SkRandom*);
GrStrokeInfo TestStrokeInfo(SkRandom*);
/** Creates styles with dash path effects and null path effects */
void TestStyle(SkRandom*, GrStyle*);
}
// We have a simplified dash path effect here to avoid relying on SkDashPathEffect which
// is in the optional build target effects.
class TestDashPathEffect : public SkPathEffect {
public:
static sk_sp<SkPathEffect> Make(const SkScalar* intervals, int count, SkScalar phase) {
return sk_sp<SkPathEffect>(new TestDashPathEffect(intervals, count, phase));
}
bool filterPath(SkPath* dst, const SkPath&, SkStrokeRec* , const SkRect*) const override;
DashType asADash(DashInfo* info) const override;
Factory getFactory() const override { return nullptr; }
void toString(SkString*) const override {}
private:
TestDashPathEffect(const SkScalar* intervals, int count, SkScalar phase);
int fCount;
SkAutoTArray<SkScalar> fIntervals;
SkScalar fPhase;
SkScalar fInitialDashLength;
int fInitialDashIndex;
SkScalar fIntervalLength;
};
} // namespace GrTest
static inline GrColor GrRandomColor(SkRandom* random) {
// There are only a few cases of random colors which interest us

178
src/gpu/GrBlurUtils.cpp
View File

@ -10,7 +10,7 @@
#include "GrCaps.h"
#include "GrContext.h"
#include "effects/GrSimpleTextureEffect.h"
#include "GrStrokeInfo.h"
#include "GrStyle.h"
#include "GrTexture.h"
#include "GrTextureProvider.h"
#include "SkDraw.h"
@ -54,11 +54,10 @@ static bool sw_draw_with_mask_filter(GrDrawContext* drawContext,
const SkMaskFilter* filter,
const SkIRect& clipBounds,
GrPaint* grp,
SkStrokeRec::InitStyle style) {
SkStrokeRec::InitStyle fillOrHairline) {
SkMask srcM, dstM;
if (!SkDraw::DrawToMask(devPath, &clipBounds, filter, &viewMatrix, &srcM,
SkMask::kComputeBoundsAndRenderImage_CreateMode, style)) {
SkMask::kComputeBoundsAndRenderImage_CreateMode, fillOrHairline)) {
return false;
}
SkAutoMaskFreeImage autoSrc(srcM.fImage);
@ -96,7 +95,7 @@ static bool sw_draw_with_mask_filter(GrDrawContext* drawContext,
static sk_sp<GrTexture> create_mask_GPU(GrContext* context,
SkRect* maskRect,
const SkPath& devPath,
SkStrokeRec::InitStyle style,
SkStrokeRec::InitStyle fillOrHairline,
bool doAA,
int sampleCnt) {
// This mask will ultimately be drawn as a non-AA rect (see draw_mask).
@ -139,7 +138,7 @@ static sk_sp<GrTexture> create_mask_GPU(GrContext* context,
// the origin using tempPaint.
SkMatrix translate;
translate.setTranslate(-maskRect->fLeft, -maskRect->fTop);
drawContext->drawPath(clip, tempPaint, translate, devPath, GrStrokeInfo(style));
drawContext->drawPath(clip, tempPaint, translate, devPath, GrStyle(fillOrHairline));
return drawContext->asTexture();;
}
@ -149,52 +148,50 @@ static void draw_path_with_mask_filter(GrContext* context,
GrPaint* paint,
const SkMatrix& viewMatrix,
const SkMaskFilter* maskFilter,
const SkPathEffect* pathEffect,
const GrStrokeInfo& strokeInfo,
SkPath* pathPtr,
const GrStyle& style,
const SkPath* path,
bool pathIsMutable) {
SkASSERT(maskFilter);
SkIRect clipBounds;
clip.getConservativeBounds(drawContext->width(), drawContext->height(), &clipBounds);
SkTLazy<SkPath> tmpPath;
SkStrokeRec::InitStyle fillOrHairline;
static const SkRect* cullRect = nullptr; // TODO: what is our bounds?
SkASSERT(strokeInfo.isDashed() || !pathEffect);
SkStrokeRec::InitStyle maskStyle;
if (strokeInfo.isHairlineStyle()) {
maskStyle = SkStrokeRec::kHairline_InitStyle;
// We just fully apply the style here.
if (style.applies()) {
if (!style.applyToPath(tmpPath.init(), &fillOrHairline, *path,
GrStyle::MatrixToScaleFactor(viewMatrix))) {
return;
}
pathIsMutable = true;
path = tmpPath.get();
} else if (style.isSimpleHairline()) {
fillOrHairline = SkStrokeRec::kHairline_InitStyle;
} else {
SkPath* strokedPath = pathIsMutable ? pathPtr : tmpPath.init();
SkStrokeRec rec = strokeInfo;
if (strokeInfo.isDashed()) {
if (pathEffect->filterPath(strokedPath, *pathPtr, &rec, cullRect)) {
pathPtr = strokedPath;
pathPtr->setIsVolatile(true);
pathIsMutable = true;
}
}
if (rec.applyToPath(strokedPath, *pathPtr)) {
// Apply the stroke to the path if there is one
pathPtr = strokedPath;
pathPtr->setIsVolatile(true);
pathIsMutable = true;
}
maskStyle = SkStrokeRec::kFill_InitStyle;
}
// avoid possibly allocating a new path in transform if we can
SkPath* devPathPtr = pathIsMutable ? pathPtr : tmpPath.init();
if (!pathIsMutable) {
devPathPtr->setIsVolatile(true);
SkASSERT(style.isSimpleFill());
fillOrHairline = SkStrokeRec::kFill_InitStyle;
}
// transform the path into device space
pathPtr->transform(viewMatrix, devPathPtr);
if (!viewMatrix.isIdentity()) {
SkPath* result;
if (pathIsMutable) {
result = const_cast<SkPath*>(path);
} else {
if (!tmpPath.isValid()) {
tmpPath.init();
}
result = tmpPath.get();
}
path->transform(viewMatrix, result);
path = result;
result->setIsVolatile(true);
pathIsMutable = true;
}
SkRect maskRect;
if (maskFilter->canFilterMaskGPU(SkRRect::MakeRect(devPathPtr->getBounds()),
if (maskFilter->canFilterMaskGPU(SkRRect::MakeRect(path->getBounds()),
clipBounds,
viewMatrix,
&maskRect)) {
@ -210,8 +207,8 @@ static void draw_path_with_mask_filter(GrContext* context,
paint,
clip,
viewMatrix,
SkStrokeRec(maskStyle),
*devPathPtr)) {
SkStrokeRec(fillOrHairline),
*path)) {
// the mask filter was able to draw itself directly, so there's nothing
// left to do.
return;
@ -219,8 +216,8 @@ static void draw_path_with_mask_filter(GrContext* context,
sk_sp<GrTexture> mask(create_mask_GPU(context,
&maskRect,
*devPathPtr,
maskStyle,
*path,
fillOrHairline,
paint->isAntiAlias(),
drawContext->numColorSamples()));
if (mask) {
@ -238,96 +235,59 @@ static void draw_path_with_mask_filter(GrContext* context,
}
sw_draw_with_mask_filter(drawContext, context->textureProvider(),
clip, viewMatrix, *devPathPtr,
maskFilter, clipBounds, paint, maskStyle);
clip, viewMatrix, *path,
maskFilter, clipBounds, paint, fillOrHairline);
}
void GrBlurUtils::drawPathWithMaskFilter(GrContext* context,
GrDrawContext* drawContext,
const GrClip& clip,
const SkPath& path,
GrPaint* paint,
const SkMatrix& viewMatrix,
const SkMaskFilter* mf,
const GrStyle& style,
bool pathIsMutable) {
draw_path_with_mask_filter(context, drawContext, clip, paint, viewMatrix, mf,
style, &path, pathIsMutable);
}
void GrBlurUtils::drawPathWithMaskFilter(GrContext* context,
GrDrawContext* drawContext,
const GrClip& clip,
const SkPath& origPath,
GrPaint* paint,
const SkMatrix& viewMatrix,
const SkMaskFilter* mf,
const SkPathEffect* pathEffect,
const GrStrokeInfo& origStrokeInfo,
bool pathIsMutable) {
SkPath* pathPtr = const_cast<SkPath*>(&origPath);
SkTLazy<SkPath> tmpPath;
GrStrokeInfo strokeInfo(origStrokeInfo);
if (!strokeInfo.isDashed() && pathEffect && pathEffect->filterPath(tmpPath.init(), *pathPtr,
&strokeInfo, nullptr)) {
pathPtr = tmpPath.get();
pathPtr->setIsVolatile(true);
pathIsMutable = true;
pathEffect = nullptr;
}
draw_path_with_mask_filter(context, drawContext, clip, paint, viewMatrix, mf, pathEffect,
strokeInfo, pathPtr, pathIsMutable);
}
void GrBlurUtils::drawPathWithMaskFilter(GrContext* context,
GrDrawContext* drawContext,
const GrClip& clip,
const SkPath& origSrcPath,
const SkPaint& paint,
const SkMatrix& origViewMatrix,
const SkMatrix* prePathMatrix,
const SkIRect& clipBounds,
bool pathIsMutable) {
SkASSERT(!pathIsMutable || origSrcPath.isVolatile());
GrStrokeInfo strokeInfo(paint);
// comment out the line below to determine if it is the reason that the chrome mac perf bot
// has begun crashing
// strokeInfo.setResScale(SkDraw::ComputeResScaleForStroking(origViewMatrix));
SkASSERT(!pathIsMutable || origPath.isVolatile());
GrStyle style(paint);
// If we have a prematrix, apply it to the path, optimizing for the case
// where the original path can in fact be modified in place (even though
// its parameter type is const).
SkPath* pathPtr = const_cast<SkPath*>(&origSrcPath);
const SkPath* path = &origPath;
SkTLazy<SkPath> tmpPath;
SkTLazy<SkPath> effectPath;
SkPathEffect* pathEffect = paint.getPathEffect();
SkMatrix viewMatrix = origViewMatrix;
if (prePathMatrix) {
// stroking, path effects, and blurs are supposed to be applied *after* the prePathMatrix.
// The pre-path-matrix also should not affect shading.
if (!paint.getMaskFilter() && !pathEffect && !paint.getShader() &&
(strokeInfo.isFillStyle() || strokeInfo.isHairlineStyle())) {
// Styling, blurs, and shading are supposed to be applied *after* the prePathMatrix.
if (!paint.getMaskFilter() && !paint.getShader() && !style.applies()) {
viewMatrix.preConcat(*prePathMatrix);
} else {
SkPath* result = pathPtr;
if (!pathIsMutable) {
result = tmpPath.init();
result->setIsVolatile(true);
pathIsMutable = true;
}
// should I push prePathMatrix on our MV stack temporarily, instead
// of applying it here? See SkDraw.cpp
pathPtr->transform(*prePathMatrix, result);
pathPtr = result;
SkPath* result = pathIsMutable ? const_cast<SkPath*>(path) : tmpPath.init();
pathIsMutable = true;
path->transform(*prePathMatrix, result);
path = result;
result->setIsVolatile(true);
}
}
// at this point we're done with prePathMatrix
SkDEBUGCODE(prePathMatrix = (const SkMatrix*)0x50FF8001;)
SkTLazy<SkPath> tmpPath2;
if (!strokeInfo.isDashed() && pathEffect &&
pathEffect->filterPath(tmpPath2.init(), *pathPtr, &strokeInfo, nullptr)) {
pathPtr = tmpPath2.get();
pathPtr->setIsVolatile(true);
pathIsMutable = true;
pathEffect = nullptr;
}
GrPaint grPaint;
if (!SkPaintToGrPaint(context, paint, viewMatrix, drawContext->isGammaCorrect(),
&grPaint)) {
@ -336,9 +296,9 @@ void GrBlurUtils::drawPathWithMaskFilter(GrContext* context,
if (paint.getMaskFilter()) {
draw_path_with_mask_filter(context, drawContext, clip, &grPaint, viewMatrix,
paint.getMaskFilter(), pathEffect, strokeInfo,
pathPtr, pathIsMutable);
paint.getMaskFilter(), style,
path, pathIsMutable);
} else {
drawContext->drawPath(clip, grPaint, viewMatrix, *pathPtr, strokeInfo);
drawContext->drawPath(clip, grPaint, viewMatrix, *path, style);
}
}

5
src/gpu/GrBlurUtils.h
View File

@ -13,7 +13,7 @@ class GrContext;
class GrDrawContext;
class GrPaint;
class GrRenderTarget;
class GrStrokeInfo;
class GrStyle;
struct SkIRect;
class SkMaskFilter;
class SkMatrix;
@ -50,8 +50,7 @@ namespace GrBlurUtils {
GrPaint*,
const SkMatrix& viewMatrix,
const SkMaskFilter*,
const SkPathEffect*,
const GrStrokeInfo&,
const GrStyle&,
bool pathIsMutable);
};

18
src/gpu/GrClipMaskManager.cpp
View File

@ -85,7 +85,6 @@ bool GrClipMaskManager::PathNeedsSWRenderer(GrContext* context,
if (path.isInverseFillType()) {
path.toggleInverseFillType();
}
GrStrokeInfo stroke(SkStrokeRec::kFill_InitStyle);
GrPathRendererChain::DrawType type;
@ -103,7 +102,7 @@ bool GrClipMaskManager::PathNeedsSWRenderer(GrContext* context,
canDrawArgs.fShaderCaps = context->caps()->shaderCaps();
canDrawArgs.fViewMatrix = &viewMatrix;
canDrawArgs.fPath = &path;
canDrawArgs.fStroke = &stroke;
canDrawArgs.fStyle = &GrStyle::SimpleFill();
canDrawArgs.fAntiAlias = element->isAA();
canDrawArgs.fIsStencilDisabled = isStencilDisabled;
canDrawArgs.fIsStencilBufferMSAA = rt->isStencilBufferMultisampled();
@ -591,7 +590,7 @@ static void draw_element(GrDrawContext* dc,
path.toggleInverseFillType();
}
dc->drawPath(clip, paint, viewMatrix, path, GrStrokeInfo::FillInfo());
dc->drawPath(clip, paint, viewMatrix, path, GrStyle::SimpleFill());
break;
}
}
@ -785,7 +784,6 @@ bool GrClipMaskManager::createStencilClipMask(GrRenderTarget* rt,
// stencil with arbitrary stencil settings.
GrPathRenderer::StencilSupport stencilSupport;
GrStrokeInfo stroke(SkStrokeRec::kFill_InitStyle);
SkRegion::Op op = element->getOp();
GrPathRenderer* pr = nullptr;
@ -806,7 +804,7 @@ bool GrClipMaskManager::createStencilClipMask(GrRenderTarget* rt,
canDrawArgs.fShaderCaps = this->getContext()->caps()->shaderCaps();
canDrawArgs.fViewMatrix = &viewMatrix;
canDrawArgs.fPath = &clipPath;
canDrawArgs.fStroke = &stroke;
canDrawArgs.fStyle = &GrStyle::SimpleFill();
canDrawArgs.fAntiAlias = false;
canDrawArgs.fIsStencilDisabled = pipelineBuilder.getStencil().isDisabled();
canDrawArgs.fIsStencilBufferMSAA = rt->isStencilBufferMultisampled();
@ -861,7 +859,7 @@ bool GrClipMaskManager::createStencilClipMask(GrRenderTarget* rt,
args.fColor = GrColor_WHITE;
args.fViewMatrix = &viewMatrix;
args.fPath = &clipPath;
args.fStroke = &stroke;
args.fStyle = &GrStyle::SimpleFill();
args.fAntiAlias = false;
args.fGammaCorrect = false;
pr->drawPath(args);
@ -896,7 +894,7 @@ bool GrClipMaskManager::createStencilClipMask(GrRenderTarget* rt,
args.fColor = GrColor_WHITE;
args.fViewMatrix = &viewMatrix;
args.fPath = &clipPath;
args.fStroke = &stroke;
args.fStyle = &GrStyle::SimpleFill();
args.fAntiAlias = false;
args.fGammaCorrect = false;
pr->drawPath(args);
@ -1100,7 +1098,6 @@ GrTexture* GrClipMaskManager::CreateSoftwareClipMask(GrContext* context,
helper.init(maskSpaceIBounds, &translate, false);
helper.clear(GrReducedClip::kAllIn_InitialState == initialState ? 0xFF : 0x00);
SkStrokeRec stroke(SkStrokeRec::kFill_InitStyle);
for (GrReducedClip::ElementList::Iter iter(elements.headIter()) ; iter.get(); iter.next()) {
const Element* element = iter.get();
@ -1119,7 +1116,8 @@ GrTexture* GrClipMaskManager::CreateSoftwareClipMask(GrContext* context,
SkPath clipPath;
element->asPath(&clipPath);
clipPath.toggleInverseFillType();
helper.draw(clipPath, stroke, SkRegion::kReplace_Op, element->isAA(), 0x00);
helper.draw(clipPath, GrStyle::SimpleFill(), SkRegion::kReplace_Op, element->isAA(),
0x00);
continue;
}
@ -1130,7 +1128,7 @@ GrTexture* GrClipMaskManager::CreateSoftwareClipMask(GrContext* context,
} else {
SkPath path;
element->asPath(&path);
helper.draw(path, stroke, op, element->isAA(), 0xFF);
helper.draw(path, GrStyle::SimpleFill(), op, element->isAA(), 0xFF);
}
}

137
src/gpu/GrDrawContext.cpp
View File

@ -279,18 +279,22 @@ void GrDrawContext::drawRect(const GrClip& clip,
const GrPaint& paint,
const SkMatrix& viewMatrix,
const SkRect& rect,
const GrStrokeInfo* strokeInfo) {
const GrStyle* style) {
if (!style) {
style = &GrStyle::SimpleFill();
}
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrDrawContext::drawRect");
// Dashing should've been devolved to a path in SkGpuDevice
SkASSERT(!strokeInfo || !strokeInfo->isDashed());
// Path effects should've been devolved to a path in SkGpuDevice
SkASSERT(!style->pathEffect());
AutoCheckFlush acf(fDrawingManager);
SkScalar width = !strokeInfo ? -1 : strokeInfo->getWidth();
const SkStrokeRec& stroke = style->strokeRec();
SkScalar width = stroke.getWidth();
// Check if this is a full RT draw and can be replaced with a clear. We don't bother checking
// cases where the RT is fully inside a stroke.
@ -337,7 +341,7 @@ void GrDrawContext::drawRect(const GrClip& clip,
// The stroke path needs the rect to remain axis aligned (no rotation or skew).
if (viewMatrix.rectStaysRect()) {
batch.reset(GrRectBatchFactory::CreateAAStroke(color, viewMatrix, rect,
*strokeInfo));
stroke));
}
} else {
// Non-AA hairlines are snapped to pixel centers to make which pixels are hit
@ -367,8 +371,7 @@ void GrDrawContext::drawRect(const GrClip& clip,
SkPath path;
path.setIsVolatile(true);
path.addRect(rect);
this->internalDrawPath(clip, paint, viewMatrix, path,
strokeInfo ? *strokeInfo : GrStrokeInfo::FillInfo());
this->internalDrawPath(clip, paint, viewMatrix, path, *style);
}
bool GrDrawContextPriv::drawAndStencilRect(const SkIRect* scissorRect,
@ -536,7 +539,7 @@ void GrDrawContext::drawRRect(const GrClip& clip,
const GrPaint& paint,
const SkMatrix& viewMatrix,
const SkRRect& rrect,
const GrStrokeInfo& strokeInfo) {
const GrStyle& style) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
@ -546,8 +549,8 @@ void GrDrawContext::drawRRect(const GrClip& clip,
return;
}
SkASSERT(!strokeInfo.isDashed()); // this should've been devolved to a path in SkGpuDevice
SkASSERT(!style.pathEffect()); // this should've been devolved to a path in SkGpuDevice
const SkStrokeRec stroke = style.strokeRec();
AutoCheckFlush acf(fDrawingManager);
if (should_apply_coverage_aa(paint, fRenderTarget.get())) {
@ -556,7 +559,7 @@ void GrDrawContext::drawRRect(const GrClip& clip,
SkAutoTUnref<GrDrawBatch> batch(GrOvalRenderer::CreateRRectBatch(paint.getColor(),
viewMatrix,
rrect,
strokeInfo,
stroke,
shaderCaps));
if (batch) {
GrPipelineBuilder pipelineBuilder(paint, fRenderTarget.get(), clip);
@ -568,7 +571,7 @@ void GrDrawContext::drawRRect(const GrClip& clip,
SkPath path;
path.setIsVolatile(true);
path.addRRect(rrect);
this->internalDrawPath(clip, paint, viewMatrix, path, strokeInfo);
this->internalDrawPath(clip, paint, viewMatrix, path, style);
}
bool GrDrawContext::drawFilledDRRect(const GrClip& clip,
@ -654,7 +657,7 @@ void GrDrawContext::drawDRRect(const GrClip& clip,
path.setFillType(SkPath::kEvenOdd_FillType);
GrPipelineBuilder pipelineBuilder(paint, fRenderTarget.get(), clip);
this->internalDrawPath(clip, paint, viewMatrix, path, GrStrokeInfo::FillInfo());
this->internalDrawPath(clip, paint, viewMatrix, path, GrStyle::SimpleFill());
}
///////////////////////////////////////////////////////////////////////////////
@ -663,7 +666,7 @@ void GrDrawContext::drawOval(const GrClip& clip,
const GrPaint& paint,
const SkMatrix& viewMatrix,
const SkRect& oval,
const GrStrokeInfo& strokeInfo) {
const GrStyle& style) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
@ -673,16 +676,16 @@ void GrDrawContext::drawOval(const GrClip& clip,
return;
}
SkASSERT(!strokeInfo.isDashed()); // this should've been devolved to a path in SkGpuDevice
SkASSERT(!style.pathEffect()); // this should've been devolved to a path in SkGpuDevice
AutoCheckFlush acf(fDrawingManager);
const SkStrokeRec& stroke = style.strokeRec();
if (should_apply_coverage_aa(paint, fRenderTarget.get())) {
GrShaderCaps* shaderCaps = fContext->caps()->shaderCaps();
SkAutoTUnref<GrDrawBatch> batch(GrOvalRenderer::CreateOvalBatch(paint.getColor(),
viewMatrix,
oval,
strokeInfo,
stroke,
shaderCaps));
if (batch) {
GrPipelineBuilder pipelineBuilder(paint, fRenderTarget.get(), clip);
@ -694,7 +697,7 @@ void GrDrawContext::drawOval(const GrClip& clip,
SkPath path;
path.setIsVolatile(true);
path.addOval(oval);
this->internalDrawPath(clip, paint, viewMatrix, path, strokeInfo);
this->internalDrawPath(clip, paint, viewMatrix, path, style);
}
void GrDrawContext::drawImageNine(const GrClip& clip,
@ -721,11 +724,7 @@ void GrDrawContext::drawImageNine(const GrClip& clip,
// Can 'path' be drawn as a pair of filled nested rectangles?
static bool is_nested_rects(const SkMatrix& viewMatrix,
const SkPath& path,
const SkStrokeRec& stroke,
SkRect rects[2]) {
SkASSERT(stroke.isFillStyle());
static bool fills_as_nested_rects(const SkMatrix& viewMatrix, const SkPath& path, SkRect rects[2]) {
if (path.isInverseFillType()) {
return false;
@ -799,7 +798,7 @@ void GrDrawContext::drawPath(const GrClip& clip,
const GrPaint& paint,
const SkMatrix& viewMatrix,
const SkPath& path,
const GrStrokeInfo& strokeInfo) {
const GrStyle& style) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkDEBUGCODE(this->validate();)
@ -814,12 +813,12 @@ void GrDrawContext::drawPath(const GrClip& clip,
AutoCheckFlush acf(fDrawingManager);
if (should_apply_coverage_aa(paint, fRenderTarget.get()) && !strokeInfo.isDashed()) {
if (strokeInfo.getWidth() < 0 && !path.isConvex()) {
if (should_apply_coverage_aa(paint, fRenderTarget.get()) && !style.pathEffect()) {
if (style.isSimpleFill() && !path.isConvex()) {
// Concave AA paths are expensive - try to avoid them for special cases
SkRect rects[2];
if (is_nested_rects(viewMatrix, path, strokeInfo, rects)) {
if (fills_as_nested_rects(viewMatrix, path, rects)) {
SkAutoTUnref<GrDrawBatch> batch(GrRectBatchFactory::CreateAAFillNestedRects(
paint.getColor(), viewMatrix, rects));
if (batch) {
@ -837,7 +836,7 @@ void GrDrawContext::drawPath(const GrClip& clip,
SkAutoTUnref<GrDrawBatch> batch(GrOvalRenderer::CreateOvalBatch(paint.getColor(),
viewMatrix,
ovalRect,
strokeInfo,
style.strokeRec(),
shaderCaps));
if (batch) {
GrPipelineBuilder pipelineBuilder(paint, fRenderTarget.get(), clip);
@ -852,7 +851,7 @@ void GrDrawContext::drawPath(const GrClip& clip,
// cache. This presents a potential hazard for buffered drawing. However,
// the writePixels that uploads to the scratch will perform a flush so we're
// OK.
this->internalDrawPath(clip, paint, viewMatrix, path, strokeInfo);
this->internalDrawPath(clip, paint, viewMatrix, path, style);
}
bool GrDrawContextPriv::drawAndStencilPath(const SkIRect* scissorRect,
@ -892,7 +891,7 @@ bool GrDrawContextPriv::drawAndStencilPath(const SkIRect* scissorRect,
canDrawArgs.fShaderCaps = fDrawContext->fDrawingManager->getContext()->caps()->shaderCaps();
canDrawArgs.fViewMatrix = &viewMatrix;
canDrawArgs.fPath = &path;
canDrawArgs.fStroke = &GrStrokeInfo::FillInfo();
canDrawArgs.fStyle = &GrStyle::SimpleFill();
canDrawArgs.fAntiAlias = useCoverageAA;
canDrawArgs.fIsStencilDisabled = isStencilDisabled;
canDrawArgs.fIsStencilBufferMSAA = isStencilBufferMSAA;
@ -923,7 +922,7 @@ bool GrDrawContextPriv::drawAndStencilPath(const SkIRect* scissorRect,
args.fColor = GrColor_WHITE;
args.fViewMatrix = &viewMatrix;
args.fPath = &path;
args.fStroke = &GrStrokeInfo::FillInfo();
args.fStyle = &GrStyle::SimpleFill();
args.fAntiAlias = useCoverageAA;
args.fGammaCorrect = fDrawContext->isGammaCorrect();
pr->drawPath(args);
@ -933,16 +932,12 @@ bool GrDrawContextPriv::drawAndStencilPath(const SkIRect* scissorRect,
void GrDrawContext::internalDrawPath(const GrClip& clip,
const GrPaint& paint,
const SkMatrix& viewMatrix,
const SkPath& path,
const GrStrokeInfo& strokeInfo) {
const SkPath& origPath,
const GrStyle& origStyle) {
ASSERT_SINGLE_OWNER
RETURN_IF_ABANDONED
SkASSERT(!path.isEmpty());
SkASSERT(!origPath.isEmpty());
// An Assumption here is that path renderer would use some form of tweaking
// the src color (either the input alpha or in the frag shader) to implement
// aa. If we have some future driver-mojo path AA that can do the right
// thing WRT to the blend then we'll need some query on the PR.
bool useCoverageAA = should_apply_coverage_aa(paint, fRenderTarget.get());
const bool isStencilDisabled = true;
bool isStencilBufferMSAA = fRenderTarget->isStencilBufferMultisampled();
@ -951,61 +946,65 @@ void GrDrawContext::internalDrawPath(const GrClip& clip,
useCoverageAA ? GrPathRendererChain::kColorAntiAlias_DrawType
: GrPathRendererChain::kColor_DrawType;
const SkPath* pathPtr = &path;
SkTLazy<SkPath> tmpPath;
const GrStrokeInfo* strokeInfoPtr = &strokeInfo;
SkTLazy<GrStyle> tmpStyle;
GrPathRenderer::CanDrawPathArgs canDrawArgs;
canDrawArgs.fShaderCaps = fDrawingManager->getContext()->caps()->shaderCaps();
canDrawArgs.fViewMatrix = &viewMatrix;
canDrawArgs.fPath = pathPtr;
canDrawArgs.fStroke = strokeInfoPtr;
canDrawArgs.fPath = &origPath;
canDrawArgs.fStyle = &origStyle;
canDrawArgs.fAntiAlias = useCoverageAA;
canDrawArgs.fIsStencilDisabled = isStencilDisabled;
canDrawArgs.fIsStencilBufferMSAA = isStencilBufferMSAA;
// Try a 1st time without stroking the path and without allowing the SW renderer
// Try a 1st time without applying any of the style to the geometry (and barring sw)
GrPathRenderer* pr = fDrawingManager->getPathRenderer(canDrawArgs, false, type);
SkScalar styleScale = GrStyle::MatrixToScaleFactor(viewMatrix);
GrStrokeInfo dashlessStrokeInfo(strokeInfo, false);
if (nullptr == pr && strokeInfo.isDashed()) {
// It didn't work above, so try again with dashed stroke converted to a dashless stroke.
if (!strokeInfo.applyDashToPath(tmpPath.init(), &dashlessStrokeInfo, *pathPtr)) {
if (!pr && canDrawArgs.fStyle->pathEffect()) {
// It didn't work above, so try again with the path effect applied.
SkStrokeRec rec(SkStrokeRec::kFill_InitStyle);
if (!canDrawArgs.fStyle->applyPathEffectToPath(tmpPath.init(), &rec, *canDrawArgs.fPath,
styleScale)) {
GrStyle noPathEffect(canDrawArgs.fStyle->strokeRec(), nullptr);
this->internalDrawPath(clip, paint, viewMatrix, *canDrawArgs.fPath, noPathEffect);
return;
}
pathPtr = tmpPath.get();
if (pathPtr->isEmpty()) {
tmpStyle.init(rec, nullptr);
canDrawArgs.fPath = tmpPath.get();
canDrawArgs.fStyle = tmpStyle.get();
if (canDrawArgs.fPath->isEmpty()) {
return;
}
strokeInfoPtr = &dashlessStrokeInfo;
canDrawArgs.fPath = pathPtr;
canDrawArgs.fStroke = strokeInfoPtr;
pr = fDrawingManager->getPathRenderer(canDrawArgs, false, type);
}
if (nullptr == pr) {
if (!GrPathRenderer::IsStrokeHairlineOrEquivalent(*strokeInfoPtr, viewMatrix, nullptr) &&
!strokeInfoPtr->isFillStyle()) {
// It didn't work above, so try again with stroke converted to a fill.
if (!pr) {
SkASSERT(!canDrawArgs.fStyle->pathEffect());
if (canDrawArgs.fStyle->strokeRec().needToApply()) {
if (!tmpPath.isValid()) {
tmpPath.init();
}
dashlessStrokeInfo.setResScale(SkScalarAbs(viewMatrix.getMaxScale()));
if (!dashlessStrokeInfo.applyToPath(tmpPath.get(), *pathPtr)) {
// It didn't work above, so try again by applying the stroke to the geometry.
SkStrokeRec::InitStyle fillOrHairline;
if (!canDrawArgs.fStyle->applyToPath(tmpPath.get(), &fillOrHairline,
*canDrawArgs.fPath, styleScale)) {
return;
}
pathPtr = tmpPath.get();
if (pathPtr->isEmpty()) {
if (!tmpStyle.isValid()) {
tmpStyle.init(fillOrHairline);
} else {
tmpStyle.get()->resetToInitStyle(fillOrHairline);
}
canDrawArgs.fPath = tmpPath.get();
canDrawArgs.fStyle = tmpStyle.get();
if (canDrawArgs.fPath->isEmpty()) {
return;
}
dashlessStrokeInfo.setFillStyle();
strokeInfoPtr = &dashlessStrokeInfo;
}
canDrawArgs.fPath = pathPtr;
canDrawArgs.fStroke = strokeInfoPtr;
pr = fDrawingManager->getPathRenderer(canDrawArgs, false, type);
}
// This time, allow SW renderer
pr = fDrawingManager->getPathRenderer(canDrawArgs, true, type);
@ -1026,8 +1025,8 @@ void GrDrawContext::internalDrawPath(const GrClip& clip,
args.fPipelineBuilder = &pipelineBuilder;
args.fColor = paint.getColor();
args.fViewMatrix = &viewMatrix;
args.fPath = pathPtr;
args.fStroke = strokeInfoPtr;
args.fPath = canDrawArgs.fPath;
args.fStyle = canDrawArgs.fStyle;
args.fAntiAlias = useCoverageAA;
args.fGammaCorrect = this->isGammaCorrect();
pr->drawPath(args);

86
src/gpu/GrPath.cpp
View File

@ -6,13 +6,28 @@
*/
#include "GrPath.h"
#include "GrStyle.h"
namespace {
// Verb count limit for generating path key from content of a volatile path.
// The value should accomodate at least simple rects and rrects.
static const int kSimpleVolatilePathVerbLimit = 10;
inline static bool compute_key_for_line_path(const SkPath& path, const GrStrokeInfo& stroke,
static inline int style_data_cnt(const GrStyle& style) {
int cnt = GrStyle::KeySize(style, GrStyle::Apply::kPathEffectAndStrokeRec);
// This should only fail for an arbitrary path effect, and we should not have gotten
// here with anything other than a dash path effect.
SkASSERT(cnt >= 0);
return cnt;
}
static inline void write_style_key(uint32_t* dst, const GrStyle& style) {
// Pass 1 for the scale since the GPU will apply the style not GrStyle::applyToPath().
GrStyle::WriteKey(dst, style, GrStyle::Apply::kPathEffectAndStrokeRec, SK_Scalar1);
}
inline static bool compute_key_for_line_path(const SkPath& path, const GrStyle& style,
GrUniqueKey* key) {
SkPoint pts[2];
if (!path.isLine(pts)) {
@ -20,37 +35,37 @@ inline static bool compute_key_for_line_path(const SkPath& path, const GrStrokeI
}
static_assert((sizeof(pts) % sizeof(uint32_t)) == 0 && sizeof(pts) > sizeof(uint32_t),
"pts_needs_padding");
int styleDataCnt = style_data_cnt(style);
const int kBaseData32Cnt = 1 + sizeof(pts) / sizeof(uint32_t);
int strokeDataCnt = stroke.computeUniqueKeyFragmentData32Cnt();
static const GrUniqueKey::Domain kOvalPathDomain = GrUniqueKey::GenerateDomain();
GrUniqueKey::Builder builder(key, kOvalPathDomain, kBaseData32Cnt + strokeDataCnt);
GrUniqueKey::Builder builder(key, kOvalPathDomain, kBaseData32Cnt + styleDataCnt);
builder[0] = path.getFillType();
memcpy(&builder[1], &pts, sizeof(pts));
if (strokeDataCnt > 0) {
stroke.asUniqueKeyFragment(&builder[kBaseData32Cnt]);
if (styleDataCnt > 0) {
write_style_key(&builder[kBaseData32Cnt], style);
}
return true;
}
inline static bool compute_key_for_oval_path(const SkPath& path, const GrStrokeInfo& stroke,
inline static bool compute_key_for_oval_path(const SkPath& path, const GrStyle& style,
GrUniqueKey* key) {
SkRect rect;
// Point order is significant when dashing, so we cannot devolve to a rect key.
if (stroke.isDashed() || !path.isOval(&rect)) {
if (style.pathEffect() || !path.isOval(&rect)) {
return false;
}
static_assert((sizeof(rect) % sizeof(uint32_t)) == 0 && sizeof(rect) > sizeof(uint32_t),
"rect_needs_padding");
const int kBaseData32Cnt = 1 + sizeof(rect) / sizeof(uint32_t);
int strokeDataCnt = stroke.computeUniqueKeyFragmentData32Cnt();
int styleDataCnt = style_data_cnt(style);
static const GrUniqueKey::Domain kOvalPathDomain = GrUniqueKey::GenerateDomain();
GrUniqueKey::Builder builder(key, kOvalPathDomain, kBaseData32Cnt + strokeDataCnt);
GrUniqueKey::Builder builder(key, kOvalPathDomain, kBaseData32Cnt + styleDataCnt);
builder[0] = path.getFillType();
memcpy(&builder[1], &rect, sizeof(rect));
if (strokeDataCnt > 0) {
stroke.asUniqueKeyFragment(&builder[kBaseData32Cnt]);
if (styleDataCnt > 0) {
write_style_key(&builder[kBaseData32Cnt], style);
}
return true;
}
@ -58,7 +73,7 @@ inline static bool compute_key_for_oval_path(const SkPath& path, const GrStrokeI
// Encodes the full path data to the unique key for very small, volatile paths. This is typically
// hit when clipping stencils the clip stack. Intention is that this handles rects too, since
// SkPath::isRect seems to do non-trivial amount of work.
inline static bool compute_key_for_simple_path(const SkPath& path, const GrStrokeInfo& stroke,
inline static bool compute_key_for_simple_path(const SkPath& path, const GrStyle& style,
GrUniqueKey* key) {
if (!path.isVolatile()) {
return false;
@ -109,9 +124,9 @@ inline static bool compute_key_for_simple_path(const SkPath& path, const GrStrok
// 2) stroke data (varying size)
const int baseData32Cnt = 2 + verbData32Cnt + pointData32Cnt + conicWeightData32Cnt;
const int strokeDataCnt = stroke.computeUniqueKeyFragmentData32Cnt();
const int styleDataCnt = style_data_cnt(style);
static const GrUniqueKey::Domain kSimpleVolatilePathDomain = GrUniqueKey::GenerateDomain();
GrUniqueKey::Builder builder(key, kSimpleVolatilePathDomain, baseData32Cnt + strokeDataCnt);
GrUniqueKey::Builder builder(key, kSimpleVolatilePathDomain, baseData32Cnt + styleDataCnt);
int i = 0;
builder[i++] = path.getFillType();
@ -153,57 +168,68 @@ inline static bool compute_key_for_simple_path(const SkPath& path, const GrStrok
SkDEBUGCODE(i += conicWeightData32Cnt);
}
SkASSERT(i == baseData32Cnt);
if (strokeDataCnt > 0) {
stroke.asUniqueKeyFragment(&builder[baseData32Cnt]);
if (styleDataCnt > 0) {
write_style_key(&builder[baseData32Cnt], style);
}
return true;
}
inline static void compute_key_for_general_path(const SkPath& path, const GrStrokeInfo& stroke,
inline static void compute_key_for_general_path(const SkPath& path, const GrStyle& style,
GrUniqueKey* key) {
const int kBaseData32Cnt = 2;
int strokeDataCnt = stroke.computeUniqueKeyFragmentData32Cnt();
int styleDataCnt = style_data_cnt(style);
static const GrUniqueKey::Domain kGeneralPathDomain = GrUniqueKey::GenerateDomain();
GrUniqueKey::Builder builder(key, kGeneralPathDomain, kBaseData32Cnt + strokeDataCnt);
GrUniqueKey::Builder builder(key, kGeneralPathDomain, kBaseData32Cnt + styleDataCnt);
builder[0] = path.getGenerationID();
builder[1] = path.getFillType();
if (strokeDataCnt > 0) {
stroke.asUniqueKeyFragment(&builder[kBaseData32Cnt]);
if (styleDataCnt > 0) {
write_style_key(&builder[kBaseData32Cnt], style);
}
}
}
void GrPath::ComputeKey(const SkPath& path, const GrStrokeInfo& stroke, GrUniqueKey* key,
void GrPath::ComputeKey(const SkPath& path, const GrStyle& style, GrUniqueKey* key,
bool* outIsVolatile) {
if (compute_key_for_line_path(path, stroke, key)) {
if (compute_key_for_line_path(path, style, key)) {
*outIsVolatile = false;
return;
}
if (compute_key_for_oval_path(path, stroke, key)) {
if (compute_key_for_oval_path(path, style, key)) {
*outIsVolatile = false;
return;
}
if (compute_key_for_simple_path(path, stroke, key)) {
if (compute_key_for_simple_path(path, style, key)) {
*outIsVolatile = false;
return;
}
compute_key_for_general_path(path, stroke, key);
compute_key_for_general_path(path, style, key);
*outIsVolatile = path.isVolatile();
}
#ifdef SK_DEBUG
bool GrPath::isEqualTo(const SkPath& path, const GrStrokeInfo& stroke) const {
if (!fStroke.hasEqualEffect(stroke)) {
bool GrPath::isEqualTo(const SkPath& path, const GrStyle& style) const {
// Since this is only called in debug we don't care about performance.
int cnt0 = GrStyle::KeySize(fStyle, GrStyle::Apply::kPathEffectAndStrokeRec);
int cnt1 = GrStyle::KeySize(style, GrStyle::Apply::kPathEffectAndStrokeRec);
if (cnt0 < 0 || cnt1 < 0 || cnt0 != cnt1) {
return false;
}
if (cnt0) {
SkAutoTArray<uint32_t> key0(cnt0);
SkAutoTArray<uint32_t> key1(cnt0);
write_style_key(key0.get(), fStyle);
write_style_key(key1.get(), style);
if (0 != memcmp(key0.get(), key1.get(), cnt0)) {
return false;
}
}
// We treat same-rect ovals as identical - but only when not dashing.
SkRect ovalBounds;
if (!fStroke.isDashed() && fSkPath.isOval(&ovalBounds)) {
if (!fStyle.isDashed() && fSkPath.isOval(&ovalBounds)) {
SkRect otherOvalBounds;
return path.isOval(&otherOvalBounds) && ovalBounds == otherOvalBounds;
}

12
src/gpu/GrPath.h
View File

@ -9,8 +9,8 @@
#define GrPath_DEFINED
#include "GrGpuResource.h"
#include "GrStrokeInfo.h"
#include "GrPathRendering.h"
#include "GrStyle.h"
#include "SkPath.h"
#include "SkRect.h"
@ -19,25 +19,25 @@ public:
/**
* Initialize to a path with a fixed stroke. Stroke must not be hairline.
*/
GrPath(GrGpu* gpu, const SkPath& skPath, const GrStrokeInfo& stroke)
GrPath(GrGpu* gpu, const SkPath& skPath, const GrStyle& style)
: INHERITED(gpu)
, fBounds(SkRect::MakeEmpty())
, fFillType(GrPathRendering::kWinding_FillType)
#ifdef SK_DEBUG
, fSkPath(skPath)
, fStroke(stroke)
, fStyle(style)
#endif
{
}
static void ComputeKey(const SkPath& path, const GrStrokeInfo& stroke, GrUniqueKey* key,
static void ComputeKey(const SkPath& path, const GrStyle& style, GrUniqueKey* key,
bool* outIsVolatile);
const SkRect& getBounds() const { return fBounds; }
GrPathRendering::FillType getFillType() const { return fFillType; }
#ifdef SK_DEBUG
bool isEqualTo(const SkPath& path, const GrStrokeInfo& stroke) const;
bool isEqualTo(const SkPath& path, const GrStyle& style) const;
#endif
protected:
@ -46,7 +46,7 @@ protected:
GrPathRendering::FillType fFillType;
#ifdef SK_DEBUG
SkPath fSkPath;
GrStrokeInfo fStroke;
GrStyle fStyle;
#endif
private:

30
src/gpu/GrPathRenderer.h
View File

@ -10,13 +10,12 @@
#include "GrDrawTarget.h"
#include "GrStencil.h"
#include "GrStrokeInfo.h"
#include "GrStyle.h"
#include "SkDrawProcs.h"
#include "SkTArray.h"
class SkPath;
struct GrPoint;
/**
@ -72,14 +71,14 @@ public:
* fPipelineBuilder The pipelineBuilder
* fViewMatrix The viewMatrix
* fPath The path to draw
* fStroke The stroke information (width, join, cap)
* fStyle The styling info (path effect, stroking info)
* fAntiAlias True if anti-aliasing is required.
*/
struct CanDrawPathArgs {
const GrShaderCaps* fShaderCaps;
const SkMatrix* fViewMatrix;
const SkPath* fPath;
const GrStrokeInfo* fStroke;
const GrStyle* fStyle;
bool fAntiAlias;
// These next two are only used by GrStencilAndCoverPathRenderer
@ -90,7 +89,7 @@ public:
SkASSERT(fShaderCaps);
SkASSERT(fViewMatrix);
SkASSERT(fPath);
SkASSERT(fStroke);
SkASSERT(fStyle);
SkASSERT(!fPath->isEmpty());
}
};
@ -116,7 +115,7 @@ public:
* fColor Color to render with
* fViewMatrix The viewMatrix
* fPath the path to draw.
* fStroke the stroke information (width, join, cap)
* fStyle the style information (path effect, stroke info)
* fAntiAlias true if anti-aliasing is required.
* fGammaCorrect true if gamma-correct rendering is to be used.
*/
@ -127,7 +126,7 @@ public:
GrColor fColor;
const SkMatrix* fViewMatrix;
const SkPath* fPath;
const GrStrokeInfo* fStroke;
const GrStyle* fStyle;
bool fAntiAlias;
bool fGammaCorrect;
@ -137,7 +136,7 @@ public:
SkASSERT(fPipelineBuilder);
SkASSERT(fViewMatrix);
SkASSERT(fPath);
SkASSERT(fStroke);
SkASSERT(fStyle);
SkASSERT(!fPath->isEmpty());
}
};
@ -153,7 +152,7 @@ public:
canArgs.fShaderCaps = args.fTarget->caps()->shaderCaps();
canArgs.fViewMatrix = args.fViewMatrix;
canArgs.fPath = args.fPath;
canArgs.fStroke = args.fStroke;
canArgs.fStyle = args.fStyle;
canArgs.fAntiAlias = args.fAntiAlias;
canArgs.fIsStencilDisabled = args.fPipelineBuilder->getStencil().isDisabled();
@ -162,8 +161,7 @@ public:
SkASSERT(this->canDrawPath(canArgs));
if (!args.fPipelineBuilder->getStencil().isDisabled()) {
SkASSERT(kNoRestriction_StencilSupport == this->getStencilSupport(*args.fPath));
SkASSERT(!args.fStroke->isDashed());
SkASSERT(args.fStroke->isFillStyle());
SkASSERT(args.fStyle->isSimpleFill());
}
#endif
return this->onDrawPath(args);
@ -197,22 +195,21 @@ public:
/**
* Draws the path to the stencil buffer. Assume the writable stencil bits are already
* initialized to zero. The pixels inside the path will have non-zero stencil values afterwards.
*
*/
void stencilPath(const StencilPathArgs& args) {
SkDEBUGCODE(args.validate();)
SkASSERT(kNoSupport_StencilSupport != this->getStencilSupport(*args.fPath));
this->onStencilPath(args);
}
// Helper for determining if we can treat a thin stroke as a hairline w/ coverage.
// If we can, we draw lots faster (raster device does this same test).
static bool IsStrokeHairlineOrEquivalent(const GrStrokeInfo& stroke, const SkMatrix& matrix,
static bool IsStrokeHairlineOrEquivalent(const GrStyle& style, const SkMatrix& matrix,
SkScalar* outCoverage) {
if (stroke.isDashed()) {
if (style.pathEffect()) {
return false;
}
const SkStrokeRec& stroke = style.strokeRec();
if (stroke.isHairlineStyle()) {
if (outCoverage) {
*outCoverage = SK_Scalar1;
@ -279,13 +276,12 @@ private:
drawArgs.fColor = 0xFFFFFFFF;
drawArgs.fViewMatrix = args.fViewMatrix;
drawArgs.fPath = args.fPath;
drawArgs.fStroke = &GrStrokeInfo::FillInfo();
drawArgs.fStyle = &GrStyle::SimpleFill();
drawArgs.fAntiAlias = false;
drawArgs.fGammaCorrect = false;
this->drawPath(drawArgs);
}
typedef SkRefCnt INHERITED;
};

2
src/gpu/GrPathRendererChain.cpp
View File

@ -79,7 +79,7 @@ GrPathRenderer* GrPathRendererChain::getPathRenderer(
}
if (minStencilSupport != GrPathRenderer::kNoSupport_StencilSupport) {
// We don't support (and shouldn't need) stenciling of non-fill paths.
if (!args.fStroke->isFillStyle() || args.fStroke->isDashed()) {
if (!args.fStyle->isSimpleFill()) {
return nullptr;
}
}

6
src/gpu/GrPathRendering.cpp
View File

@ -54,7 +54,7 @@ private:
GrPathRange* GrPathRendering::createGlyphs(const SkTypeface* typeface,
const SkScalerContextEffects& effects,
const SkDescriptor* desc,
const GrStrokeInfo& stroke) {
const GrStyle& style) {
if (nullptr == typeface) {
typeface = SkTypeface::GetDefaultTypeface();
SkASSERT(nullptr != typeface);
@ -62,7 +62,7 @@ GrPathRange* GrPathRendering::createGlyphs(const SkTypeface* typeface,
if (desc) {
SkAutoTUnref<GlyphGenerator> generator(new GlyphGenerator(*typeface, effects, *desc));
return this->createPathRange(generator, stroke);
return this->createPathRange(generator, style);
}
SkScalerContextRec rec;
@ -83,5 +83,5 @@ GrPathRange* GrPathRendering::createGlyphs(const SkTypeface* typeface,
SkScalerContextEffects noEffects;
SkAutoTUnref<GlyphGenerator> generator(new GlyphGenerator(*typeface, noEffects, *genericDesc));
return this->createPathRange(generator, stroke);
return this->createPathRange(generator, style);
}

26
src/gpu/GrPathRendering.h
View File

@ -17,7 +17,7 @@ class SkDescriptor;
class SkTypeface;
class GrPath;
class GrStencilSettings;
class GrStrokeInfo;
class GrStyle;
/**
* Abstract class wrapping HW path rendering API.
@ -81,21 +81,23 @@ public:
* Creates a new gpu path, based on the specified path and stroke and returns it.
* The caller owns a ref on the returned path which must be balanced by a call to unref.
*
* @param skPath the path geometry.
* @param stroke the path stroke.
* @return a new path.
* @param SkPath the geometry.
* @param GrStyle the style applied to the path. Styles with non-dash path effects are not
* allowed.
* @return a new GPU path object.
*/
virtual GrPath* createPath(const SkPath&, const GrStrokeInfo&) = 0;
virtual GrPath* createPath(const SkPath&, const GrStyle&) = 0;
/**
* Creates a range of gpu paths with a common stroke. The caller owns a ref on the
* Creates a range of gpu paths with a common style. The caller owns a ref on the
* returned path range which must be balanced by a call to unref.
*
* @param PathGenerator class that generates SkPath objects for each path in the range.
* @param GrStrokeInfo the common stroke applied to each path in the range.
* @param GrStyle the common style applied to each path in the range. Styles with non-dash
* path effects are not allowed.
* @return a new path range.
*/
virtual GrPathRange* createPathRange(GrPathRange::PathGenerator*, const GrStrokeInfo&) = 0;
virtual GrPathRange* createPathRange(GrPathRange::PathGenerator*, const GrStyle&) = 0;
/**
* Creates a range of glyph paths, indexed by glyph id. The glyphs will have an
@ -118,15 +120,15 @@ public:
* including with the stroke information baked directly into
* the outlines.
*
* @param GrStrokeInfo Common stroke that the GPU will apply to every path. Note that
* if the glyph outlines contain baked-in strokes from the font
* descriptor, the GPU stroke will be applied on top of those
* @param GrStyle Common style that the GPU will apply to every path. Note that
* if the glyph outlines contain baked-in styles from the font
* descriptor, the GPU style will be applied on top of those
* outlines.
*
* @return a new path range populated with glyphs.
*/
GrPathRange* createGlyphs(const SkTypeface*, const SkScalerContextEffects&,
const SkDescriptor*, const GrStrokeInfo&);
const SkDescriptor*, const GrStyle&);
/** None of these params are optional, pointers used just to avoid making copies. */
struct StencilPathArgs {

12
src/gpu/GrResourceProvider.cpp
View File

@ -70,24 +70,24 @@ const GrBuffer* GrResourceProvider::createQuadIndexBuffer() {
return this->createInstancedIndexBuffer(kPattern, 6, kMaxQuads, 4, fQuadIndexBufferKey);
}
GrPath* GrResourceProvider::createPath(const SkPath& path, const GrStrokeInfo& stroke) {
GrPath* GrResourceProvider::createPath(const SkPath& path, const GrStyle& style) {
SkASSERT(this->gpu()->pathRendering());
return this->gpu()->pathRendering()->createPath(path, stroke);
return this->gpu()->pathRendering()->createPath(path, style);
}
GrPathRange* GrResourceProvider::createPathRange(GrPathRange::PathGenerator* gen,
const GrStrokeInfo& stroke) {
const GrStyle& style) {
SkASSERT(this->gpu()->pathRendering());
return this->gpu()->pathRendering()->createPathRange(gen, stroke);
return this->gpu()->pathRendering()->createPathRange(gen, style);
}
GrPathRange* GrResourceProvider::createGlyphs(const SkTypeface* tf,
const SkScalerContextEffects& effects,
const SkDescriptor* desc,
const GrStrokeInfo& stroke) {
const GrStyle& style) {
SkASSERT(this->gpu()->pathRendering());
return this->gpu()->pathRendering()->createGlyphs(tf, effects, desc, stroke);
return this->gpu()->pathRendering()->createGlyphs(tf, effects, desc, style);
}
GrBuffer* GrResourceProvider::createBuffer(size_t size, GrBufferType intendedType,

8
src/gpu/GrResourceProvider.h
View File

@ -18,7 +18,7 @@ class GrPath;
class GrRenderTarget;
class GrSingleOwner;
class GrStencilAttachment;
class GrStrokeInfo;
class GrStyle;
class SkDescriptor;
class SkPath;
class SkTypeface;
@ -83,10 +83,10 @@ public:
* Factories for GrPath and GrPathRange objects. It's an error to call these if path rendering
* is not supported.
*/
GrPath* createPath(const SkPath&, const GrStrokeInfo&);
GrPathRange* createPathRange(GrPathRange::PathGenerator*, const GrStrokeInfo&);
GrPath* createPath(const SkPath&, const GrStyle&);
GrPathRange* createPathRange(GrPathRange::PathGenerator*, const GrStyle&);
GrPathRange* createGlyphs(const SkTypeface*, const SkScalerContextEffects&,
const SkDescriptor*, const GrStrokeInfo&);
const SkDescriptor*, const GrStyle&);
using GrTextureProvider::assignUniqueKeyToResource;
using GrTextureProvider::findAndRefResourceByUniqueKey;

22
src/gpu/GrSWMaskHelper.cpp
View File

@ -11,6 +11,7 @@
#include "GrDrawTarget.h"
#include "GrGpu.h"
#include "GrPipelineBuilder.h"
#include "GrStyle.h"
#include "SkData.h"
#include "SkDistanceFieldGen.h"
@ -117,22 +118,11 @@ void GrSWMaskHelper::draw(const SkRect& rect, SkRegion::Op op,
/**
* Draw a single path element of the clip stack into the accumulation bitmap
*/
void GrSWMaskHelper::draw(const SkPath& path, const SkStrokeRec& stroke, SkRegion::Op op,
void GrSWMaskHelper::draw(const SkPath& path, const GrStyle& style, SkRegion::Op op,
bool antiAlias, uint8_t alpha) {
SkPaint paint;
if (stroke.isHairlineStyle()) {
paint.setStyle(SkPaint::kStroke_Style);
} else {
if (stroke.isFillStyle()) {
paint.setStyle(SkPaint::kFill_Style);
} else {
paint.setStyle(SkPaint::kStroke_Style);
paint.setStrokeJoin(stroke.getJoin());
paint.setStrokeCap(stroke.getCap());
paint.setStrokeWidth(stroke.getWidth());
}
}
paint.setPathEffect(sk_ref_sp(style.pathEffect()));
style.strokeRec().applyToPaint(&paint);
paint.setAntiAlias(antiAlias);
SkTBlitterAllocator allocator;
@ -307,7 +297,7 @@ void GrSWMaskHelper::toSDF(unsigned char* sdf) {
*/
GrTexture* GrSWMaskHelper::DrawPathMaskToTexture(GrContext* context,
const SkPath& path,
const SkStrokeRec& stroke,
const GrStyle& style,
const SkIRect& resultBounds,
bool antiAlias,
const SkMatrix* matrix) {
@ -317,7 +307,7 @@ GrTexture* GrSWMaskHelper::DrawPathMaskToTexture(GrContext* context,
return nullptr;
}
helper.draw(path, stroke, SkRegion::kReplace_Op, antiAlias, 0xFF);
helper.draw(path, style, SkRegion::kReplace_Op, antiAlias, 0xFF);
GrTexture* texture(helper.createTexture());
if (!texture) {

7
src/gpu/GrSWMaskHelper.h
View File

@ -55,11 +55,10 @@ public:
bool init(const SkIRect& resultBounds, const SkMatrix* matrix, bool allowCompression = true);
// Draw a single rect into the accumulation bitmap using the specified op
void draw(const SkRect& rect, SkRegion::Op op,
bool antiAlias, uint8_t alpha);
void draw(const SkRect& rect, SkRegion::Op op, bool antiAlias, uint8_t alpha);
// Draw a single path into the accumuation bitmap using the specified op
void draw(const SkPath& path, const SkStrokeRec& stroke, SkRegion::Op op,
void draw(const SkPath& path, const GrStyle& style, SkRegion::Op op,
bool antiAlias, uint8_t alpha);
// Move the mask generation results from the internal bitmap to the gpu.
@ -77,7 +76,7 @@ public:
// to the GPU. The result is returned.
static GrTexture* DrawPathMaskToTexture(GrContext* context,
const SkPath& path,
const SkStrokeRec& stroke,
const GrStyle& style,
const SkIRect& resultBounds,
bool antiAlias,
const SkMatrix* matrix);

10
src/gpu/GrSoftwarePathRenderer.cpp
View File

@ -12,13 +12,7 @@
////////////////////////////////////////////////////////////////////////////////
bool GrSoftwarePathRenderer::onCanDrawPath(const CanDrawPathArgs& args) const {
if (nullptr == fContext) {
return false;
}
if (args.fStroke->isDashed()) {
return false;
}
return true;
return SkToBool(fContext);
}
namespace {
@ -130,7 +124,7 @@ bool GrSoftwarePathRenderer::onDrawPath(const DrawPathArgs& args) {
}
SkAutoTUnref<GrTexture> texture(
GrSWMaskHelper::DrawPathMaskToTexture(fContext, *args.fPath, *args.fStroke,
GrSWMaskHelper::DrawPathMaskToTexture(fContext, *args.fPath, *args.fStyle,
devPathBounds,
args.fAntiAlias, args.fViewMatrix));
if (nullptr == texture) {

93
src/gpu/GrStrokeInfo.cpp
View File

@ -1,93 +0,0 @@
/*
* 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 "GrStrokeInfo.h"
#include "GrResourceKey.h"
#include "SkDashPathPriv.h"
bool all_dash_intervals_zero(const SkScalar* intervals, int count) {
for (int i = 0 ; i < count; ++i) {
if (intervals[i] != 0) {
return false;
}
}
return true;
}
bool GrStrokeInfo::applyDashToPath(SkPath* dst, GrStrokeInfo* dstStrokeInfo,
const SkPath& src) const {
if (this->isDashed()) {
SkPathEffect::DashInfo info;
info.fIntervals = fIntervals.get();
info.fCount = fIntervals.count();
info.fPhase = fDashPhase;
GrStrokeInfo filteredStroke(*this, false);
// Handle the case where all intervals are 0 and we simply drop the dash effect
if (all_dash_intervals_zero(fIntervals.get(), fIntervals.count())) {
*dstStrokeInfo = filteredStroke;
*dst = src;
return true;
}
// See if we can filter the dash into a path on cpu
if (SkDashPath::FilterDashPath(dst, src, &filteredStroke, nullptr, info)) {
*dstStrokeInfo = filteredStroke;
return true;
}
}
return false;
}
void GrStrokeInfo::asUniqueKeyFragment(uint32_t* data) const {
const int kSkScalarData32Cnt = sizeof(SkScalar) / sizeof(uint32_t);
enum {
kStyleBits = 2,
kJoinBits = 2,
kCapBits = 32 - kStyleBits - kJoinBits,
kJoinShift = kStyleBits,
kCapShift = kJoinShift + kJoinBits,
};
static_assert(SkStrokeRec::kStyleCount <= (1 << kStyleBits), "style_shift_will_be_wrong");
static_assert(SkPaint::kJoinCount <= (1 << kJoinBits), "cap_shift_will_be_wrong");
static_assert(SkPaint::kCapCount <= (1 << kCapBits), "cap_does_not_fit");
uint32_t styleKey = this->getStyle();
if (this->needToApply()) {
styleKey |= this->getJoin() << kJoinShift;
styleKey |= this->getCap() << kCapShift;
}
int i = 0;
data[i++] = styleKey;
// Memcpy the scalar fields. Does not "reinterpret_cast<SkScalar&>(data[i]) = ..." due to
// scalars having more strict alignment requirements than what data can guarantee. The
// compiler should optimize memcpys to assignments.
SkScalar scalar;
scalar = this->getMiter();
memcpy(&data[i], &scalar, sizeof(scalar));
i += kSkScalarData32Cnt;
scalar = this->getWidth();
memcpy(&data[i], &scalar, sizeof(scalar));
i += kSkScalarData32Cnt;
if (this->isDashed()) {
SkScalar phase = this->getDashPhase();
memcpy(&data[i], &phase, sizeof(phase));
i += kSkScalarData32Cnt;
int32_t count = this->getDashCount() & static_cast<int32_t>(~1);
SkASSERT(count == this->getDashCount());
const SkScalar* intervals = this->getDashIntervals();
int intervalByteCnt = count * sizeof(SkScalar);
memcpy(&data[i], intervals, intervalByteCnt);
// Enable the line below if fields are added after dashing.
SkDEBUGCODE(i += kSkScalarData32Cnt * count);
}
SkASSERT(this->computeUniqueKeyFragmentData32Cnt() == i);
}

191
src/gpu/GrStrokeInfo.h
View File

@ -1,191 +0,0 @@
/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrStrokeInfo_DEFINED
#define GrStrokeInfo_DEFINED
#include "SkPathEffect.h"
#include "SkStrokeRec.h"
#include "SkTemplates.h"
class GrUniqueKey;
/*
* GrStrokeInfo encapsulates all the pertinent infomation regarding the stroke. The SkStrokeRec
* which holds information on fill style, width, miter, cap, and join. It also holds information
* about the dash like intervals, count, and phase.
*/
class GrStrokeInfo : public SkStrokeRec {
public:
static const GrStrokeInfo& FillInfo() {
static const GrStrokeInfo gFill(kFill_InitStyle);
return gFill;
}
GrStrokeInfo(SkStrokeRec::InitStyle style)
: INHERITED(style)
, fDashType(SkPathEffect::kNone_DashType) {
}
GrStrokeInfo(const GrStrokeInfo& src, bool includeDash = true)
: INHERITED(src) {
if (includeDash && src.isDashed()) {
fDashType = src.fDashType;
fDashPhase = src.fDashPhase;
fIntervals.reset(src.getDashCount());
memcpy(fIntervals.get(), src.fIntervals.get(), fIntervals.count() * sizeof(SkScalar));
} else {
fDashType = SkPathEffect::kNone_DashType;
}
}
GrStrokeInfo(const SkPaint& paint, SkPaint::Style styleOverride)
: INHERITED(paint, styleOverride)
, fDashType(SkPathEffect::kNone_DashType) {
this->init(paint);
}
explicit GrStrokeInfo(const SkPaint& paint)
: INHERITED(paint)
, fDashType(SkPathEffect::kNone_DashType) {
this->init(paint);
}
GrStrokeInfo& operator=(const GrStrokeInfo& other) {
if (other.isDashed()) {
fDashType = other.fDashType;
fDashPhase = other.fDashPhase;
fIntervals.reset(other.getDashCount());
memcpy(fIntervals.get(), other.fIntervals.get(), fIntervals.count() * sizeof(SkScalar));
} else {
this->removeDash();
}
this->INHERITED::operator=(other);
return *this;
}
bool hasEqualEffect(const GrStrokeInfo& other) const {
if (this->isDashed() != other.isDashed()) {
return false;
}
if (this->isDashed()) {
if (fDashPhase != other.fDashPhase ||
fIntervals.count() != other.fIntervals.count() ||
memcmp(fIntervals.get(), other.fIntervals.get(),
fIntervals.count() * sizeof(SkScalar)) != 0) {
return false;
}
}
return this->INHERITED::hasEqualEffect(other);
}
/*
* This functions takes in a patheffect and updates the dashing information if the path effect
* is a Dash type. Returns true if the path effect is a dashed effect and we are stroking,
* otherwise it returns false.
*/
bool setDashInfo(const SkPathEffect* pe) {
if (pe && !this->isFillStyle()) {
SkPathEffect::DashInfo dashInfo;
fDashType = pe->asADash(&dashInfo);
if (SkPathEffect::kDash_DashType == fDashType) {
fIntervals.reset(dashInfo.fCount);
dashInfo.fIntervals = fIntervals.get();
pe->asADash(&dashInfo);
fDashPhase = dashInfo.fPhase;
return true;
}
}
return false;
}
/*
* Like the above, but sets with an explicit SkPathEffect::DashInfo
*/
bool setDashInfo(const SkPathEffect::DashInfo& info) {
if (!this->isFillStyle()) {
fDashType = SkPathEffect::kDash_DashType;
fDashPhase = info.fPhase;
fIntervals.reset(info.fCount);
for (int i = 0; i < fIntervals.count(); i++) {
fIntervals[i] = info.fIntervals[i];
}
return true;
}
return false;
}
bool isDashed() const {
return (!this->isFillStyle() && SkPathEffect::kDash_DashType == fDashType);
}
int32_t getDashCount() const {
SkASSERT(this->isDashed());
return fIntervals.count();
}
SkScalar getDashPhase() const {
SkASSERT(this->isDashed());
return fDashPhase;
}
const SkScalar* getDashIntervals() const {
SkASSERT(this->isDashed());
return fIntervals.get();
}
void removeDash() {
fDashType = SkPathEffect::kNone_DashType;
}
/** Applies the dash to a path, if the stroke info has dashing.
* @return true if the dashing was applied (dst and dstStrokeInfo will be modified).
* false if the stroke info did not have dashing. The dst and dstStrokeInfo
* will be unmodified. The stroking in the SkStrokeRec might still
* be applicable.
*/
bool applyDashToPath(SkPath* dst, GrStrokeInfo* dstStrokeInfo, const SkPath& src) const;
/**
* Computes the length of the data that will be written by asUniqueKeyFragment() function.
*/
int computeUniqueKeyFragmentData32Cnt() const {
const int kSkScalarData32Cnt = sizeof(SkScalar) / sizeof(uint32_t);
// SkStrokeRec data: 32 bits for style+join+cap and 2 scalars for miter and width.
int strokeKeyData32Cnt = 1 + 2 * kSkScalarData32Cnt;
if (this->isDashed()) {
// One scalar for dash phase and one for each dash value.
strokeKeyData32Cnt += (1 + this->getDashCount()) * kSkScalarData32Cnt;
}
return strokeKeyData32Cnt;
}
/**
* Writes the object contents as uint32_t data, to be used with GrUniqueKey.
* Note: the data written does not encode the length, so care must be taken to ensure
* that the full unique key data is encoded properly. For example, GrStrokeInfo
* fragment can be placed last in the sequence, at fixed index.
*/
void asUniqueKeyFragment(uint32_t*) const;
private:
// Prevent accidental usage, should use GrStrokeInfo::hasEqualEffect.
bool hasEqualEffect(const SkStrokeRec& other) const;
void init(const SkPaint& paint) {
const SkPathEffect* pe = paint.getPathEffect();
this->setDashInfo(pe);
}
SkPathEffect::DashType fDashType;
SkScalar fDashPhase;
SkAutoSTArray<2, SkScalar> fIntervals;
typedef SkStrokeRec INHERITED;
};
#endif

11
src/gpu/GrStyle.h
View File

@ -85,6 +85,11 @@ public:
this->initPathEffect(paint.getPathEffect());
}
explicit GrStyle(const SkPaint& paint, SkPaint::Style overrideStyle)
: fStrokeRec(paint, overrideStyle) {
this->initPathEffect(paint.getPathEffect());
}
GrStyle& operator=(const GrStyle& that) {
fPathEffect = that.fPathEffect;
fDashInfo = that.fDashInfo;
@ -133,6 +138,12 @@ public:
return this->pathEffect() || (!fStrokeRec.isFillStyle() && !fStrokeRec.isHairlineStyle());
}
static SkScalar MatrixToScaleFactor(const SkMatrix& matrix) {
// getMaxScale will return -1 if the matrix has perspective. In that case we can use a scale
// factor of 1. This isn't necessarily a good choice and in the future we might consider
// taking a bounds here for the perspective case.
return SkScalarAbs(matrix.getMaxScale());
}
/**
* Applies just the path effect and returns remaining stroke information. This will fail if
* there is no path effect. dst may or may not have been overwritten on failure. Scale controls

65
src/gpu/GrTestUtils.cpp
View File

@ -5,10 +5,10 @@
* found in the LICENSE file.
*/
#include "GrStrokeInfo.h"
#include "GrTestUtils.h"
#include "GrStyle.h"
#include "SkDashPathPriv.h"
#include "SkMatrix.h"
#include "SkPathEffect.h"
#include "SkPath.h"
#include "SkRRect.h"
@ -237,26 +237,53 @@ SkStrokeRec TestStrokeRec(SkRandom* random) {
return rec;
}
GrStrokeInfo TestStrokeInfo(SkRandom* random) {
SkStrokeRec::InitStyle style =
void TestStyle(SkRandom* random, GrStyle* style) {
SkStrokeRec::InitStyle initStyle =
SkStrokeRec::InitStyle(random->nextULessThan(SkStrokeRec::kFill_InitStyle + 1));
GrStrokeInfo strokeInfo(style);
randomize_stroke_rec(&strokeInfo, random);
SkPathEffect::DashInfo dashInfo;
dashInfo.fCount = random->nextRangeU(1, 50) * 2;
dashInfo.fIntervals = new SkScalar[dashInfo.fCount];
SkScalar sum = 0;
for (int i = 0; i < dashInfo.fCount; i++) {
dashInfo.fIntervals[i] = random->nextRangeScalar(SkDoubleToScalar(0.01),
SkDoubleToScalar(10.0));
sum += dashInfo.fIntervals[i];
SkStrokeRec stroke(initStyle);
randomize_stroke_rec(&stroke, random);
sk_sp<SkPathEffect> pe;
if (random->nextBool()) {
int cnt = random->nextRangeU(1, 50) * 2;
SkAutoTDeleteArray<SkScalar> intervals(new SkScalar[cnt]);
SkScalar sum = 0;
for (int i = 0; i < cnt; i++) {
intervals[i] = random->nextRangeScalar(SkDoubleToScalar(0.01),
SkDoubleToScalar(10.0));
sum += intervals[i];
}
SkScalar phase = random->nextRangeScalar(0, sum);
pe = TestDashPathEffect::Make(intervals.get(), cnt, phase);
}
dashInfo.fPhase = random->nextRangeScalar(0, sum);
strokeInfo.setDashInfo(dashInfo);
delete[] dashInfo.fIntervals;
return strokeInfo;
*style = GrStyle(stroke, pe.get());
}
};
TestDashPathEffect::TestDashPathEffect(const SkScalar* intervals, int count, SkScalar phase) {
fCount = count;
fIntervals.reset(count);
memcpy(fIntervals.get(), intervals, count * sizeof(SkScalar));
SkDashPath::CalcDashParameters(phase, intervals, count, &fInitialDashLength,
&fInitialDashIndex, &fIntervalLength, &fPhase);
}
bool TestDashPathEffect::filterPath(SkPath* dst, const SkPath& src, SkStrokeRec* rec,
const SkRect* cullRect) const {
return SkDashPath::InternalFilter(dst, src, rec, cullRect, fIntervals.get(), fCount,
fInitialDashLength, fInitialDashIndex, fIntervalLength);
}
SkPathEffect::DashType TestDashPathEffect::asADash(DashInfo* info) const {
if (info) {
if (info->fCount >= fCount && info->fIntervals) {
memcpy(info->fIntervals, fIntervals.get(), fCount * sizeof(SkScalar));
}
info->fCount = fCount;
info->fPhase = fPhase;
}
return kDash_DashType;
}
} // namespace GrTest
#endif

26
src/gpu/SkGpuDevice.cpp
View File

@ -15,7 +15,7 @@
#include "GrImageIDTextureAdjuster.h"
#include "GrLayerHoister.h"
#include "GrRecordReplaceDraw.h"
#include "GrStrokeInfo.h"
#include "GrStyle.h"
#include "GrTracing.h"
#include "SkCanvasPriv.h"
#include "SkErrorInternals.h"
@ -454,7 +454,7 @@ void SkGpuDevice::drawPoints(const SkDraw& draw, SkCanvas::PointMode mode,
}
if (paint.getPathEffect() && 2 == count && SkCanvas::kLines_PointMode == mode) {
GrStrokeInfo strokeInfo(paint, SkPaint::kStroke_Style);
GrStyle style(paint, SkPaint::kStroke_Style);
GrPaint grPaint;
if (!SkPaintToGrPaint(this->context(), paint, *draw.fMatrix,
this->surfaceProps().isGammaCorrect(), &grPaint)) {
@ -464,7 +464,7 @@ void SkGpuDevice::drawPoints(const SkDraw& draw, SkCanvas::PointMode mode,
path.setIsVolatile(true);
path.moveTo(pts[0]);
path.lineTo(pts[1]);
fDrawContext->drawPath(fClip, grPaint, *draw.fMatrix, path, strokeInfo);
fDrawContext->drawPath(fClip, grPaint, *draw.fMatrix, path, style);
return;
}
@ -535,9 +535,8 @@ void SkGpuDevice::drawRect(const SkDraw& draw, const SkRect& rect, const SkPaint
return;
}
GrStrokeInfo strokeInfo(paint);
fDrawContext->drawRect(fClip, grPaint, *draw.fMatrix, rect, &strokeInfo);
GrStyle style(paint);
fDrawContext->drawRect(fClip, grPaint, *draw.fMatrix, rect, &style);
}
///////////////////////////////////////////////////////////////////////////////
@ -554,7 +553,7 @@ void SkGpuDevice::drawRRect(const SkDraw& draw, const SkRRect& rect,
return;
}
GrStrokeInfo strokeInfo(paint);
GrStyle style(paint);
if (paint.getMaskFilter()) {
// try to hit the fast path for drawing filtered round rects
@ -577,7 +576,7 @@ void SkGpuDevice::drawRRect(const SkDraw& draw, const SkRRect& rect,
&grPaint,
fClip,
*draw.fMatrix,
strokeInfo,
style.strokeRec(),
devRRect)) {
return;
}
@ -587,7 +586,7 @@ void SkGpuDevice::drawRRect(const SkDraw& draw, const SkRRect& rect,
}
}
if (paint.getMaskFilter() || paint.getPathEffect()) {
if (paint.getMaskFilter() || style.pathEffect()) {
// The only mask filter the native rrect drawing code could've handle was taken
// care of above.
// A path effect will presumably transform this rrect into something else.
@ -601,9 +600,9 @@ void SkGpuDevice::drawRRect(const SkDraw& draw, const SkRRect& rect,
return;
}
SkASSERT(!strokeInfo.isDashed());
SkASSERT(!style.pathEffect());
fDrawContext->drawRRect(fClip, grPaint, *draw.fMatrix, rect, strokeInfo);
fDrawContext->drawRRect(fClip, grPaint, *draw.fMatrix, rect, style);
}
@ -675,10 +674,7 @@ void SkGpuDevice::drawOval(const SkDraw& draw, const SkRect& oval, const SkPaint
return;
}
GrStrokeInfo strokeInfo(paint);
SkASSERT(!strokeInfo.isDashed());
fDrawContext->drawOval(fClip, grPaint, *draw.fMatrix, oval, strokeInfo);
fDrawContext->drawOval(fClip, grPaint, *draw.fMatrix, oval, GrStyle(paint));
}
#include "SkMaskFilter.h"

6
src/gpu/SkGpuDevice_drawTexture.cpp
View File

@ -10,7 +10,7 @@
#include "GrBlurUtils.h"
#include "GrCaps.h"
#include "GrDrawContext.h"
#include "GrStrokeInfo.h"
#include "GrStyle.h"
#include "GrTextureParamsAdjuster.h"
#include "SkDraw.h"
#include "SkGrPriv.h"
@ -240,6 +240,6 @@ void SkGpuDevice::drawTextureProducerImpl(GrTextureProducer* producer,
rectPath.addRect(clippedDstRect);
rectPath.setIsVolatile(true);
GrBlurUtils::drawPathWithMaskFilter(this->context(), fDrawContext.get(), fClip,
rectPath, &grPaint, viewMatrix, mf, paint.getPathEffect(),
GrStrokeInfo::FillInfo(), true);
rectPath, &grPaint, viewMatrix, mf, GrStyle::SimpleFill(),
true);
}

3
src/gpu/batches/GrAAConvexPathRenderer.cpp
View File

@ -18,7 +18,6 @@
#include "GrPathUtils.h"
#include "GrProcessor.h"
#include "GrPipelineBuilder.h"
#include "GrStrokeInfo.h"
#include "SkGeometry.h"
#include "SkPathPriv.h"
#include "SkString.h"
@ -682,7 +681,7 @@ const GrGeometryProcessor* QuadEdgeEffect::TestCreate(GrProcessorTestData* d) {
bool GrAAConvexPathRenderer::onCanDrawPath(const CanDrawPathArgs& args) const {
return (args.fShaderCaps->shaderDerivativeSupport() && args.fAntiAlias &&
args.fStroke->isFillStyle() && !args.fPath->isInverseFillType() &&
args.fStyle->isSimpleFill() && !args.fPath->isInverseFillType() &&
args.fPath->isConvex());
}

33
src/gpu/batches/GrAADistanceFieldPathRenderer.cpp
View File

@ -81,13 +81,14 @@ GrAADistanceFieldPathRenderer::~GrAADistanceFieldPathRenderer() {
////////////////////////////////////////////////////////////////////////////////
bool GrAADistanceFieldPathRenderer::onCanDrawPath(const CanDrawPathArgs& args) const {
// We don't currently apply the dash or factor it into the DF key. (skbug.com/5082)
if (args.fStyle->pathEffect()) {
return false;
}
// TODO: Support inverse fill
if (!args.fShaderCaps->shaderDerivativeSupport() || !args.fAntiAlias ||
SkStrokeRec::kHairline_Style == args.fStroke->getStyle() ||
args.fPath->isInverseFillType() || args.fPath->isVolatile() ||
// We don't currently apply the dash or factor it into the DF key. (skbug.com/5082)
args.fStroke->isDashed()) {
args.fStyle->isSimpleHairline() || args.fPath->isInverseFillType() ||
args.fPath->isVolatile()) {
return false;
}
@ -100,16 +101,23 @@ bool GrAADistanceFieldPathRenderer::onCanDrawPath(const CanDrawPathArgs& args) c
// scaled to have bounds within 2.0f*kLargeMIP by 2.0f*kLargeMIP
// the goal is to accelerate rendering of lots of small paths that may be scaling
SkScalar maxScale = args.fViewMatrix->getMaxScale();
#if 0 // This is more accurate but changes some GMs. TODO: Standalone change to enable this.
SkRect bounds;
args.fStyle->adjustBounds(&bounds, args.fPath->getBounds());
SkScalar maxDim = SkMaxScalar(bounds.width(), bounds.height());
#else
const SkRect& bounds = args.fPath->getBounds();
SkScalar maxDim = SkMaxScalar(bounds.width(), bounds.height());
const SkStrokeRec& stroke = args.fStyle->strokeRec();
// Approximate stroked size by adding the maximum of the stroke width or 2x the miter limit
if (!args.fStroke->isFillStyle()) {
SkScalar extraWidth = args.fStroke->getWidth();
if (SkPaint::kMiter_Join == args.fStroke->getJoin()) {
extraWidth = SkTMax(extraWidth, 2.0f*args.fStroke->getMiter());
if (!stroke.isFillStyle()) {
SkScalar extraWidth = stroke.getWidth();
if (SkPaint::kMiter_Join == stroke.getJoin()) {
extraWidth = SkTMax(extraWidth, 2.0f*stroke.getMiter());
}
maxDim += extraWidth;
}
#endif
return maxDim <= kMediumMIP && maxDim * maxScale <= 2.0f*kLargeMIP;
}
@ -552,11 +560,12 @@ bool GrAADistanceFieldPathRenderer::onDrawPath(const DrawPathArgs& args) {
}
}
AADistanceFieldPathBatch::Geometry geometry(*args.fStroke);
if (SkStrokeRec::kFill_Style == args.fStroke->getStyle()) {
// It's ok to ignore style's path effect because canDrawPath filtered out path effects.
AADistanceFieldPathBatch::Geometry geometry(args.fStyle->strokeRec());
if (args.fStyle->isSimpleFill()) {
geometry.fPath = *args.fPath;
} else {
args.fStroke->applyToPath(&geometry.fPath, *args.fPath);
args.fStyle->strokeRec().applyToPath(&geometry.fPath, *args.fPath);
}
geometry.fColor = args.fColor;
geometry.fAntiAlias = args.fAntiAlias;

16
src/gpu/batches/GrAAHairLinePathRenderer.cpp
View File

@ -618,7 +618,12 @@ bool GrAAHairLinePathRenderer::onCanDrawPath(const CanDrawPathArgs& args) const
return false;
}
if (!IsStrokeHairlineOrEquivalent(*args.fStroke, *args.fViewMatrix, nullptr)) {
if (!IsStrokeHairlineOrEquivalent(*args.fStyle, *args.fViewMatrix, nullptr)) {
return false;
}
// We don't currently handle dashing in this class though perhaps we should.
if (args.fStyle->pathEffect()) {
return false;
}
@ -939,11 +944,11 @@ void AAHairlineBatch::onPrepareDraws(Target* target) const {
static GrDrawBatch* create_hairline_batch(GrColor color,
const SkMatrix& viewMatrix,
const SkPath& path,
const GrStrokeInfo& stroke,
const GrStyle& style,
const SkIRect& devClipBounds) {
SkScalar hairlineCoverage;
uint8_t newCoverage = 0xff;
if (GrPathRenderer::IsStrokeHairlineOrEquivalent(stroke, viewMatrix, &hairlineCoverage)) {
if (GrPathRenderer::IsStrokeHairlineOrEquivalent(style, viewMatrix, &hairlineCoverage)) {
newCoverage = SkScalarRoundToInt(hairlineCoverage * 0xff);
}
@ -964,7 +969,7 @@ bool GrAAHairLinePathRenderer::onDrawPath(const DrawPathArgs& args) {
args.fPipelineBuilder->clip().getConservativeBounds(rt->width(), rt->height(), &devClipBounds);
SkAutoTUnref<GrDrawBatch> batch(create_hairline_batch(args.fColor, *args.fViewMatrix, *args.fPath,
*args.fStroke, devClipBounds));
*args.fStyle, devClipBounds));
args.fTarget->drawBatch(*args.fPipelineBuilder, batch);
return true;
@ -977,11 +982,10 @@ bool GrAAHairLinePathRenderer::onDrawPath(const DrawPathArgs& args) {
DRAW_BATCH_TEST_DEFINE(AAHairlineBatch) {
GrColor color = GrRandomColor(random);
SkMatrix viewMatrix = GrTest::TestMatrix(random);
GrStrokeInfo stroke(SkStrokeRec::kHairline_InitStyle);
SkPath path = GrTest::TestPath(random);
SkIRect devClipBounds;
devClipBounds.setEmpty();
return create_hairline_batch(color, viewMatrix, path, stroke, devClipBounds);
return create_hairline_batch(color, viewMatrix, path, GrStyle::SimpleHairline(), devClipBounds);
}
#endif

26
src/gpu/batches/GrAALinearizingConvexPathRenderer.cpp
View File

@ -17,7 +17,7 @@
#include "GrPathUtils.h"
#include "GrProcessor.h"
#include "GrPipelineBuilder.h"
#include "GrStrokeInfo.h"
#include "GrStyle.h"
#include "SkGeometry.h"
#include "SkString.h"
#include "SkTraceEvent.h"
@ -46,16 +46,20 @@ bool GrAALinearizingConvexPathRenderer::onCanDrawPath(const CanDrawPathArgs& arg
if (!args.fPath->isConvex()) {
return false;
}
if (args.fStroke->getStyle() == SkStrokeRec::kStroke_Style) {
if (args.fStyle->pathEffect()) {
return false;
}
const SkStrokeRec& stroke = args.fStyle->strokeRec();
if (stroke.getStyle() == SkStrokeRec::kStroke_Style) {
if (!args.fViewMatrix->isSimilarity()) {
return false;
}
SkScalar strokeWidth = args.fViewMatrix->getMaxScale() * args.fStroke->getWidth();
return strokeWidth >= 1.0f && strokeWidth <= kMaxStrokeWidth && !args.fStroke->isDashed() &&
SkPathPriv::IsClosedSingleContour(*args.fPath) &&
args.fStroke->getJoin() != SkPaint::Join::kRound_Join;
SkScalar strokeWidth = args.fViewMatrix->getMaxScale() * stroke.getWidth();
return strokeWidth >= 1.0f && strokeWidth <= kMaxStrokeWidth &&
SkPathPriv::IsClosedSingleContour(*args.fPath) &&
stroke.getJoin() != SkPaint::Join::kRound_Join;
}
return args.fStroke->getStyle() == SkStrokeRec::kFill_Style;
return stroke.getStyle() == SkStrokeRec::kFill_Style;
}
// extract the result vertices and indices from the GrAAConvexTessellator
@ -325,10 +329,10 @@ bool GrAALinearizingConvexPathRenderer::onDrawPath(const DrawPathArgs& args) {
geometry.fColor = args.fColor;
geometry.fViewMatrix = *args.fViewMatrix;
geometry.fPath = *args.fPath;
geometry.fStrokeWidth = args.fStroke->isFillStyle() ? -1.0f : args.fStroke->getWidth();
geometry.fJoin = args.fStroke->isFillStyle() ? SkPaint::Join::kMiter_Join :
args.fStroke->getJoin();
geometry.fMiterLimit = args.fStroke->getMiter();
bool fill = args.fStyle->isSimpleFill();
geometry.fStrokeWidth = fill ? -1.0f : args.fStyle->strokeRec().getWidth();
geometry.fJoin = fill ? SkPaint::Join::kMiter_Join : args.fStyle->strokeRec().getJoin();
geometry.fMiterLimit = args.fStyle->strokeRec().getMiter();
SkAutoTUnref<GrDrawBatch> batch(AAFlatteningConvexPathBatch::Create(geometry));
args.fTarget->drawBatch(*args.fPipelineBuilder, batch);

6
src/gpu/batches/GrDashLinePathRenderer.cpp
View File

@ -12,8 +12,8 @@
bool GrDashLinePathRenderer::onCanDrawPath(const CanDrawPathArgs& args) const {
SkPoint pts[2];
if (args.fStroke->isDashed() && args.fPath->isLine(pts)) {
return GrDashingEffect::CanDrawDashLine(pts, *args.fStroke, *args.fViewMatrix);
if (args.fStyle->isDashed() && args.fPath->isLine(pts)) {
return GrDashingEffect::CanDrawDashLine(pts, *args.fStyle, *args.fViewMatrix);
}
return false;
}
@ -28,7 +28,7 @@ bool GrDashLinePathRenderer::onDrawPath(const DrawPathArgs& args) {
pts,
args.fAntiAlias,
msaaIsEnabled,
*args.fStroke));
*args.fStyle));
if (!batch) {
return false;
}

34
src/gpu/batches/GrDefaultPathRenderer.cpp
View File

@ -422,22 +422,21 @@ bool GrDefaultPathRenderer::internalDrawPath(GrDrawTarget* target,
GrColor color,
const SkMatrix& viewMatrix,
const SkPath& path,
const GrStrokeInfo& origStroke,
const GrStyle& origStyle,
bool stencilOnly) {
SkTCopyOnFirstWrite<GrStrokeInfo> stroke(origStroke);
const GrStyle* style = &origStyle;
SkScalar hairlineCoverage;
uint8_t newCoverage = 0xff;
if (IsStrokeHairlineOrEquivalent(*stroke, viewMatrix, &hairlineCoverage)) {
bool isHairline = false;
if (IsStrokeHairlineOrEquivalent(*style, viewMatrix, &hairlineCoverage)) {
newCoverage = SkScalarRoundToInt(hairlineCoverage * 0xff);
if (!stroke->isHairlineStyle()) {
stroke.writable()->setHairlineStyle();
}
style = &GrStyle::SimpleHairline();
isHairline = true;
} else {
SkASSERT(style->isSimpleFill());
}
const bool isHairline = stroke->isHairlineStyle();
// Save the current xp on the draw state so we can reset it if needed
const GrXPFactory* xpFactory = pipelineBuilder->getXPFactory();
SkAutoTUnref<const GrXPFactory> backupXPFactory(SkSafeRef(xpFactory));
@ -460,7 +459,7 @@ bool GrDefaultPathRenderer::internalDrawPath(GrDrawTarget* target,
lastPassIsBounds = false;
drawFace[0] = GrPipelineBuilder::kBoth_DrawFace;
} else {
if (single_pass_path(path, *stroke)) {
if (single_pass_path(path, style->strokeRec())) {
passCount = 1;
if (stencilOnly) {
passes[0] = &gDirectToStencil;
@ -596,10 +595,11 @@ bool GrDefaultPathRenderer::internalDrawPath(GrDrawTarget* target,
}
bool GrDefaultPathRenderer::onCanDrawPath(const CanDrawPathArgs& args) const {
// this class can draw any path with any fill but doesn't do any anti-aliasing.
return !args.fAntiAlias && (args.fStroke->isFillStyle() ||
IsStrokeHairlineOrEquivalent(*args.fStroke, *args.fViewMatrix,
nullptr));
// this class can draw any path with any simple fill style but doesn't do any anti-aliasing.
return !args.fAntiAlias &&
(args.fStyle->isSimpleFill() || IsStrokeHairlineOrEquivalent(*args.fStyle,
*args.fViewMatrix,
nullptr));
}
bool GrDefaultPathRenderer::onDrawPath(const DrawPathArgs& args) {
@ -609,7 +609,7 @@ bool GrDefaultPathRenderer::onDrawPath(const DrawPathArgs& args) {
args.fColor,
*args.fViewMatrix,
*args.fPath,
*args.fStroke,
*args.fStyle,
false);
}
@ -618,7 +618,7 @@ void GrDefaultPathRenderer::onStencilPath(const StencilPathArgs& args) {
SkASSERT(SkPath::kInverseEvenOdd_FillType != args.fPath->getFillType());
SkASSERT(SkPath::kInverseWinding_FillType != args.fPath->getFillType());
this->internalDrawPath(args.fTarget, args.fPipelineBuilder, GrColor_WHITE, *args.fViewMatrix,
*args.fPath, GrStrokeInfo::FillInfo(), true);
*args.fPath, GrStyle::SimpleFill(), true);
}
///////////////////////////////////////////////////////////////////////////////////////////////////
@ -631,7 +631,7 @@ DRAW_BATCH_TEST_DEFINE(DefaultPathBatch) {
// For now just hairlines because the other types of draws require two batches.
// TODO we should figure out a way to combine the stencil and cover steps into one batch
GrStrokeInfo stroke(SkStrokeRec::kHairline_InitStyle);
GrStyle style(SkStrokeRec::kHairline_InitStyle);
SkPath path = GrTest::TestPath(random);
// Compute srcSpaceTol

2
src/gpu/batches/GrDefaultPathRenderer.h
View File

@ -35,7 +35,7 @@ private:
GrColor,
const SkMatrix& viewMatrix,
const SkPath&,
const GrStrokeInfo&,
const GrStyle&,
bool stencilOnly);
bool fSeparateStencil;

44
src/gpu/batches/GrMSAAPathRenderer.cpp
View File

@ -29,7 +29,7 @@ static const float kTolerance = 0.5f;
////////////////////////////////////////////////////////////////////////////////
// Helpers for drawPath
static inline bool single_pass_path(const SkPath& path, const SkStrokeRec& stroke) {
static inline bool single_pass_path(const SkPath& path) {
if (!path.isInverseFillType()) {
return path.isConvex();
}
@ -38,7 +38,7 @@ static inline bool single_pass_path(const SkPath& path, const SkStrokeRec& strok
GrPathRenderer::StencilSupport
GrMSAAPathRenderer::onGetStencilSupport(const SkPath& path) const {
if (single_pass_path(path, SkStrokeRec(SkStrokeRec::kFill_InitStyle))) {
if (single_pass_path(path)) {
return GrPathRenderer::kNoRestriction_StencilSupport;
} else {
return GrPathRenderer::kStencilOnly_StencilSupport;
@ -571,9 +571,7 @@ bool GrMSAAPathRenderer::internalDrawPath(GrDrawTarget* target,
GrColor color,
const SkMatrix& viewMatrix,
const SkPath& path,
const GrStrokeInfo& origStroke,
bool stencilOnly) {
SkTCopyOnFirstWrite<GrStrokeInfo> stroke(origStroke);
const GrXPFactory* xpFactory = pipelineBuilder->getXPFactory();
SkAutoTUnref<const GrXPFactory> backupXPFactory(SkSafeRef(xpFactory));
@ -586,7 +584,7 @@ bool GrMSAAPathRenderer::internalDrawPath(GrDrawTarget* target,
bool reverse = false;
bool lastPassIsBounds;
if (single_pass_path(path, *stroke)) {
if (single_pass_path(path)) {
passCount = 1;
if (stencilOnly) {
passes[0] = &gDirectToStencil;
@ -703,34 +701,36 @@ bool GrMSAAPathRenderer::internalDrawPath(GrDrawTarget* target,
}
bool GrMSAAPathRenderer::onCanDrawPath(const CanDrawPathArgs& args) const {
return !IsStrokeHairlineOrEquivalent(*args.fStroke, *args.fViewMatrix, nullptr) &&
!args.fAntiAlias;
// This path renderer does not support hairlines. We defer on anything that could be handled
// as a hairline by another path renderer. Also, arbitrary path effects could produce
// a hairline result.
return !IsStrokeHairlineOrEquivalent(*args.fStyle, *args.fViewMatrix, nullptr) &&
!args.fStyle->strokeRec().isHairlineStyle() &&
!args.fStyle->hasNonDashPathEffect() && !args.fAntiAlias;
}
bool GrMSAAPathRenderer::onDrawPath(const DrawPathArgs& args) {
GR_AUDIT_TRAIL_AUTO_FRAME(args.fTarget->getAuditTrail(), "GrMSAAPathRenderer::onDrawPath");
SkPath path;
GrStrokeInfo stroke(*args.fStroke);
if (stroke.isDashed()) {
if (!stroke.applyDashToPath(&path, &stroke, *args.fPath)) {
SkPath tmpPath;
const SkPath* path;
if (args.fStyle->applies()) {
SkStrokeRec::InitStyle fill;
SkScalar styleScale = GrStyle::MatrixToScaleFactor(*args.fViewMatrix);
if (!args.fStyle->applyToPath(&tmpPath, &fill, *args.fPath, styleScale)) {
return false;
}
// We don't accept styles that are hairlines or have path effects that could produce
// hairlines.
SkASSERT(SkStrokeRec::kFill_InitStyle == fill);
path = &tmpPath;
} else {
path = *args.fPath;
}
if (!stroke.isFillStyle()) {
stroke.setResScale(SkScalarAbs(args.fViewMatrix->getMaxScale()));
if (!stroke.applyToPath(&path, path)) {
return false;
}
stroke.setFillStyle();
path = args.fPath;
}
return this->internalDrawPath(args.fTarget,
args.fPipelineBuilder,
args.fColor,
*args.fViewMatrix,
path,
stroke,
*path,
false);
}
@ -739,7 +739,7 @@ void GrMSAAPathRenderer::onStencilPath(const StencilPathArgs& args) {
SkASSERT(SkPath::kInverseEvenOdd_FillType != args.fPath->getFillType());
SkASSERT(SkPath::kInverseWinding_FillType != args.fPath->getFillType());
this->internalDrawPath(args.fTarget, args.fPipelineBuilder, GrColor_WHITE, *args.fViewMatrix,
*args.fPath, GrStrokeInfo::FillInfo(), true);
*args.fPath, true);
}
///////////////////////////////////////////////////////////////////////////////////////////////////

1
src/gpu/batches/GrMSAAPathRenderer.h
View File

@ -26,7 +26,6 @@ private:
GrColor,
const SkMatrix& viewMatrix,
const SkPath&,
const GrStrokeInfo&,
bool stencilOnly);
typedef GrPathRenderer INHERITED;

4
src/gpu/batches/GrPLSPathRenderer.cpp
View File

@ -23,7 +23,7 @@
#include "GrPathUtils.h"
#include "GrProcessor.h"
#include "GrPipelineBuilder.h"
#include "GrStrokeInfo.h"
#include "GrStyle.h"
#include "GrTessellator.h"
#include "batches/GrVertexBatch.h"
#include "glsl/GrGLSLGeometryProcessor.h"
@ -778,7 +778,7 @@ bool GrPLSPathRenderer::onCanDrawPath(const CanDrawPathArgs& args) const {
// We have support for even-odd rendering, but are having some troublesome
// seams. Disable in the presence of even-odd for now.
return args.fShaderCaps->shaderDerivativeSupport() && args.fAntiAlias &&
args.fStroke->isFillStyle() && !args.fPath->isInverseFillType() &&
args.fStyle->isSimpleFill() && !args.fPath->isInverseFillType() &&
args.fPath->getFillType() == SkPath::FillType::kWinding_FillType;
}

20
src/gpu/batches/GrStencilAndCoverPathRenderer.cpp
View File

@ -14,7 +14,7 @@
#include "GrPath.h"
#include "GrRenderTarget.h"
#include "GrResourceProvider.h"
#include "GrStrokeInfo.h"
#include "GrStyle.h"
#include "batches/GrRectBatchFactory.h"
GrPathRenderer* GrStencilAndCoverPathRenderer::Create(GrResourceProvider* resourceProvider,
@ -31,7 +31,9 @@ GrStencilAndCoverPathRenderer::GrStencilAndCoverPathRenderer(GrResourceProvider*
}
bool GrStencilAndCoverPathRenderer::onCanDrawPath(const CanDrawPathArgs& args) const {
if (args.fStroke->isHairlineStyle()) {
// GrPath doesn't support hairline paths. Also, an arbitrary path effect could change
// the style type to hairline.
if (!args.fStyle->hasNonDashPathEffect() || args.fStyle->strokeRec().isHairlineStyle()) {
return false;
}
if (!args.fIsStencilDisabled) {
@ -45,19 +47,19 @@ bool GrStencilAndCoverPathRenderer::onCanDrawPath(const CanDrawPathArgs& args) c
}
static GrPath* get_gr_path(GrResourceProvider* resourceProvider, const SkPath& skPath,
const GrStrokeInfo& stroke) {
const GrStyle& style) {
GrUniqueKey key;
bool isVolatile;
GrPath::ComputeKey(skPath, stroke, &key, &isVolatile);
GrPath::ComputeKey(skPath, style, &key, &isVolatile);
SkAutoTUnref<GrPath> path(
static_cast<GrPath*>(resourceProvider->findAndRefResourceByUniqueKey(key)));
if (!path) {
path.reset(resourceProvider->createPath(skPath, stroke));
path.reset(resourceProvider->createPath(skPath, style));
if (!isVolatile) {
resourceProvider->assignUniqueKeyToResource(key, path);
}
} else {
SkASSERT(path->isEqualTo(skPath, stroke));
SkASSERT(path->isEqualTo(skPath, style));
}
return path.release();
}
@ -66,14 +68,14 @@ void GrStencilAndCoverPathRenderer::onStencilPath(const StencilPathArgs& args) {
GR_AUDIT_TRAIL_AUTO_FRAME(args.fTarget->getAuditTrail(),
"GrStencilAndCoverPathRenderer::onStencilPath");
SkASSERT(!args.fPath->isInverseFillType());
SkAutoTUnref<GrPath> p(get_gr_path(fResourceProvider, *args.fPath, GrStrokeInfo::FillInfo()));
SkAutoTUnref<GrPath> p(get_gr_path(fResourceProvider, *args.fPath, GrStyle::SimpleFill()));
args.fTarget->stencilPath(*args.fPipelineBuilder, *args.fViewMatrix, p, p->getFillType());
}
bool GrStencilAndCoverPathRenderer::onDrawPath(const DrawPathArgs& args) {
GR_AUDIT_TRAIL_AUTO_FRAME(args.fTarget->getAuditTrail(),
"GrStencilAndCoverPathRenderer::onDrawPath");
SkASSERT(!args.fStroke->isHairlineStyle());
SkASSERT(!args.fStyle->strokeRec().isHairlineStyle());
const SkPath& path = *args.fPath;
GrPipelineBuilder* pipelineBuilder = args.fPipelineBuilder;
const SkMatrix& viewMatrix = *args.fViewMatrix;
@ -85,7 +87,7 @@ bool GrStencilAndCoverPathRenderer::onDrawPath(const DrawPathArgs& args) {
pipelineBuilder->enableState(GrPipelineBuilder::kHWAntialias_Flag);
}
SkAutoTUnref<GrPath> p(get_gr_path(fResourceProvider, path, *args.fStroke));
SkAutoTUnref<GrPath> p(get_gr_path(fResourceProvider, path, *args.fStyle));
if (path.isInverseFillType()) {
static constexpr GrStencilSettings kInvertedStencilPass(

99
src/gpu/batches/GrTessellatingPathRenderer.cpp
View File

@ -105,9 +105,11 @@ GrTessellatingPathRenderer::GrTessellatingPathRenderer() {
bool GrTessellatingPathRenderer::onCanDrawPath(const CanDrawPathArgs& args) const {
// This path renderer can draw all fill styles, all stroke styles except hairlines, but does
// not do antialiasing. It can do convex and concave paths, but we'll leave the convex ones to
// simpler algorithms.
return !IsStrokeHairlineOrEquivalent(*args.fStroke, *args.fViewMatrix, nullptr) &&
!args.fAntiAlias && !args.fPath->isConvex();
// simpler algorithms. Similary, we skip the non-hairlines that can be treated as hairline.
// An arbitrary path effect could produce a hairline result so we pass on those.
return !IsStrokeHairlineOrEquivalent(*args.fStyle, *args.fViewMatrix, nullptr) &&
!args.fStyle->strokeRec().isHairlineStyle() &&
!args.fStyle->hasNonDashPathEffect() && !args.fAntiAlias && !args.fPath->isConvex();
}
class TessellatingPathBatch : public GrVertexBatch {
@ -116,10 +118,10 @@ public:
static GrDrawBatch* Create(const GrColor& color,
const SkPath& path,
const GrStrokeInfo& stroke,
const GrStyle& style,
const SkMatrix& viewMatrix,
SkRect clipBounds) {
return new TessellatingPathBatch(color, path, stroke, viewMatrix, clipBounds);
return new TessellatingPathBatch(color, path, style, viewMatrix, clipBounds);
}
const char* name() const override { return "TessellatingPathBatch"; }
@ -142,48 +144,51 @@ private:
}
void draw(Target* target, const GrGeometryProcessor* gp) const {
GrResourceProvider* rp = target->resourceProvider();
SkScalar screenSpaceTol = GrPathUtils::kDefaultTolerance;
SkScalar tol = GrPathUtils::scaleToleranceToSrc(screenSpaceTol, fViewMatrix,
fPath.getBounds());
SkScalar styleScale = SK_Scalar1;
if (fStyle.applies()) {
styleScale = GrStyle::MatrixToScaleFactor(fViewMatrix);
}
// construct a cache key from the path's genID and the view matrix
static const GrUniqueKey::Domain kDomain = GrUniqueKey::GenerateDomain();
GrUniqueKey key;
int clipBoundsSize32 =
int clipBoundsCnt =
fPath.isInverseFillType() ? sizeof(fClipBounds) / sizeof(uint32_t) : 0;
int strokeDataSize32 = fStroke.computeUniqueKeyFragmentData32Cnt();
GrUniqueKey::Builder builder(&key, kDomain, 2 + clipBoundsSize32 + strokeDataSize32);
builder[0] = fPath.getGenerationID();
builder[1] = fPath.getFillType();
// For inverse fills, the tessellation is dependent on clip bounds.
if (fPath.isInverseFillType()) {
memcpy(&builder[2], &fClipBounds, sizeof(fClipBounds));
}
fStroke.asUniqueKeyFragment(&builder[2 + clipBoundsSize32]);
builder.finish();
GrResourceProvider* rp = target->resourceProvider();
SkAutoTUnref<GrBuffer> cachedVertexBuffer(rp->findAndRefTByUniqueKey<GrBuffer>(key));
int actualCount;
SkScalar screenSpaceTol = GrPathUtils::kDefaultTolerance;
SkScalar tol = GrPathUtils::scaleToleranceToSrc(
screenSpaceTol, fViewMatrix, fPath.getBounds());
if (cache_match(cachedVertexBuffer.get(), tol, &actualCount)) {
this->drawVertices(target, gp, cachedVertexBuffer.get(), 0, actualCount);
return;
int styleDataCnt = GrStyle::KeySize(fStyle, GrStyle::Apply::kPathEffectAndStrokeRec);
if (styleDataCnt >= 0) {
GrUniqueKey::Builder builder(&key, kDomain, 2 + clipBoundsCnt + styleDataCnt);
builder[0] = fPath.getGenerationID();
builder[1] = fPath.getFillType();
// For inverse fills, the tessellation is dependent on clip bounds.
if (fPath.isInverseFillType()) {
memcpy(&builder[2], &fClipBounds, sizeof(fClipBounds));
}
if (styleDataCnt) {
GrStyle::WriteKey(&builder[2 + clipBoundsCnt], fStyle,
GrStyle::Apply::kPathEffectAndStrokeRec, styleScale);
}
builder.finish();
SkAutoTUnref<GrBuffer> cachedVertexBuffer(rp->findAndRefTByUniqueKey<GrBuffer>(key));
int actualCount;
if (cache_match(cachedVertexBuffer.get(), tol, &actualCount)) {
this->drawVertices(target, gp, cachedVertexBuffer.get(), 0, actualCount);
return;
}
}
SkPath path;
GrStrokeInfo stroke(fStroke);
if (stroke.isDashed()) {
if (!stroke.applyDashToPath(&path, &stroke, fPath)) {
return;
}
if (fStyle.applies()) {
SkStrokeRec::InitStyle fill;
SkAssertResult(fStyle.applyToPath(&path, &fill, fPath, styleScale));
SkASSERT(SkStrokeRec::kFill_InitStyle == fill);
} else {
path = fPath;
}
if (!stroke.isFillStyle()) {
stroke.setResScale(SkScalarAbs(fViewMatrix.getMaxScale()));
if (!stroke.applyToPath(&path, path)) {
return;
}
stroke.setFillStyle();
}
bool isLinear;
bool canMapVB = GrCaps::kNone_MapFlags != target->caps().mapBufferFlags();
StaticVertexAllocator allocator(rp, canMapVB);
@ -192,7 +197,7 @@ private:
return;
}
this->drawVertices(target, gp, allocator.vertexBuffer(), 0, count);
if (!fPath.isVolatile()) {
if (!fPath.isVolatile() && styleDataCnt >= 0) {
TessInfo info;
info.fTolerance = isLinear ? 0 : tol;
info.fCount = count;
@ -240,13 +245,13 @@ private:
TessellatingPathBatch(const GrColor& color,
const SkPath& path,
const GrStrokeInfo& stroke,
const GrStyle& style,
const SkMatrix& viewMatrix,
const SkRect& clipBounds)
: INHERITED(ClassID())
, fColor(color)
, fPath(path)
, fStroke(stroke)
, fStyle(style)
, fViewMatrix(viewMatrix) {
const SkRect& pathBounds = path.getBounds();
fClipBounds = clipBounds;
@ -258,14 +263,13 @@ private:
} else {
fBounds = path.getBounds();
}
SkScalar radius = stroke.getInflationRadius();
fBounds.outset(radius, radius);
style.adjustBounds(&fBounds, fBounds);
viewMatrix.mapRect(&fBounds);
}
GrColor fColor;
SkPath fPath;
GrStrokeInfo fStroke;
GrStyle fStyle;
SkMatrix fViewMatrix;
SkRect fClipBounds; // in source space
GrXPOverridesForBatch fPipelineInfo;
@ -291,7 +295,7 @@ bool GrTessellatingPathRenderer::onDrawPath(const DrawPathArgs& args) {
}
vmi.mapRect(&clipBounds);
SkAutoTUnref<GrDrawBatch> batch(TessellatingPathBatch::Create(args.fColor, *args.fPath,
*args.fStroke, *args.fViewMatrix,
*args.fStyle, *args.fViewMatrix,
clipBounds));
args.fTarget->drawBatch(*args.fPipelineBuilder, batch);
@ -313,8 +317,11 @@ DRAW_BATCH_TEST_DEFINE(TesselatingPathBatch) {
SkFAIL("Cannot invert matrix\n");
}
vmi.mapRect(&clipBounds);
GrStrokeInfo strokeInfo = GrTest::TestStrokeInfo(random);
return TessellatingPathBatch::Create(color, path, strokeInfo, viewMatrix, clipBounds);
GrStyle style;
do {
GrTest::TestStyle(random, &style);
} while (style.strokeRec().isHairlineStyle());
return TessellatingPathBatch::Create(color, path, style, viewMatrix, clipBounds);
}
#endif

37
src/gpu/effects/GrDashingEffect.cpp
View File

@ -16,7 +16,7 @@
#include "GrDefaultGeoProcFactory.h"
#include "GrInvariantOutput.h"
#include "GrProcessor.h"
#include "GrStrokeInfo.h"
#include "GrStyle.h"
#include "SkGr.h"
#include "batches/GrVertexBatch.h"
#include "glsl/GrGLSLFragmentShaderBuilder.h"
@ -29,7 +29,7 @@
///////////////////////////////////////////////////////////////////////////////
// Returns whether or not the gpu can fast path the dash line effect.
bool GrDashingEffect::CanDrawDashLine(const SkPoint pts[2], const GrStrokeInfo& strokeInfo,
bool GrDashingEffect::CanDrawDashLine(const SkPoint pts[2], const GrStyle& style,
const SkMatrix& viewMatrix) {
// Pts must be either horizontal or vertical in src space
if (pts[0].fX != pts[1].fX && pts[0].fY != pts[1].fY) {
@ -42,16 +42,16 @@ bool GrDashingEffect::CanDrawDashLine(const SkPoint pts[2], const GrStrokeInfo&
return false;
}
if (!strokeInfo.isDashed() || 2 != strokeInfo.getDashCount()) {
if (!style.isDashed() || 2 != style.dashIntervalCnt()) {
return false;
}
const SkScalar* intervals = strokeInfo.getDashIntervals();
const SkScalar* intervals = style.dashIntervals();
if (0 == intervals[0] && 0 == intervals[1]) {
return false;
}
SkPaint::Cap cap = strokeInfo.getCap();
SkPaint::Cap cap = style.strokeRec().getCap();
// Current we do don't handle Round or Square cap dashes
if (SkPaint::kRound_Cap == cap && intervals[0] != 0.f) {
return false;
@ -690,14 +690,15 @@ private:
};
static GrDrawBatch* create_batch(GrColor color, const SkMatrix& viewMatrix, const SkPoint pts[2],
bool useAA, const GrStrokeInfo& strokeInfo, bool msaaRT) {
const SkScalar* intervals = strokeInfo.getDashIntervals();
SkScalar phase = strokeInfo.getDashPhase();
bool useAA, const GrStyle& style, bool msaaRT) {
SkASSERT(GrDashingEffect::CanDrawDashLine(pts, style, viewMatrix));
const SkScalar* intervals = style.dashIntervals();
SkScalar phase = style.dashPhase();
SkPaint::Cap cap = strokeInfo.getCap();
SkPaint::Cap cap = style.strokeRec().getCap();
DashBatch::Geometry geometry;
geometry.fSrcStrokeWidth = strokeInfo.getWidth();
geometry.fSrcStrokeWidth = style.strokeRec().getWidth();
// the phase should be normalized to be [0, sum of all intervals)
SkASSERT(phase >= 0 && phase < intervals[0] + intervals[1]);
@ -747,8 +748,8 @@ GrDrawBatch* GrDashingEffect::CreateDashLineBatch(GrColor color,
const SkPoint pts[2],
bool useAA,
bool msaaIsEnabled,
const GrStrokeInfo& strokeInfo) {
return create_batch(color, viewMatrix, pts, useAA, strokeInfo, msaaIsEnabled);
const GrStyle& style) {
return create_batch(color, viewMatrix, pts, useAA, style, msaaIsEnabled);
}
//////////////////////////////////////////////////////////////////////////////
@ -1289,17 +1290,11 @@ DRAW_BATCH_TEST_DEFINE(DashBatch) {
p.setStyle(SkPaint::kStroke_Style);
p.setStrokeWidth(SkIntToScalar(1));
p.setStrokeCap(cap);
p.setPathEffect(GrTest::TestDashPathEffect::Make(intervals, 2, phase));
GrStrokeInfo strokeInfo(p);
GrStyle style(p);
SkPathEffect::DashInfo info;
info.fIntervals = intervals;
info.fCount = 2;
info.fPhase = phase;
SkDEBUGCODE(bool success = ) strokeInfo.setDashInfo(info);
SkASSERT(success);
return create_batch(color, viewMatrix, pts, useAA, strokeInfo, msaaRT);
return create_batch(color, viewMatrix, pts, useAA, style, msaaRT);
}
#endif

6
src/gpu/effects/GrDashingEffect.h
View File

@ -14,7 +14,7 @@
class GrClip;
class GrDrawBatch;
class GrStrokeInfo;
class GrStyle;
namespace GrDashingEffect {
GrDrawBatch* CreateDashLineBatch(GrColor,
@ -22,8 +22,8 @@ namespace GrDashingEffect {
const SkPoint pts[2],
bool useAA,
bool msaaIsEnabled,
const GrStrokeInfo& strokeInfo);
bool CanDrawDashLine(const SkPoint pts[2], const GrStrokeInfo& strokeInfo,
const GrStyle& style);
bool CanDrawDashLine(const SkPoint pts[2], const GrStyle& style,
const SkMatrix& viewMatrix);
}

42
src/gpu/gl/GrGLPath.cpp
View File

@ -8,6 +8,7 @@
#include "GrGLPath.h"
#include "GrGLPathRendering.h"
#include "GrGLGpu.h"
#include "GrStyle.h"
namespace {
inline GrGLubyte verb_to_gl_path_cmd(SkPath::Verb verb) {
@ -251,9 +252,7 @@ void GrGLPath::InitPathObjectPathData(GrGLGpu* gpu,
SkAssertResult(init_path_object_for_general_path<false>(gpu, pathID, skPath));
}
void GrGLPath::InitPathObjectStroke(GrGLGpu* gpu, GrGLuint pathID, const GrStrokeInfo& stroke) {
SkASSERT(stroke.needToApply());
SkASSERT(!stroke.isDashed());
void GrGLPath::InitPathObjectStroke(GrGLGpu* gpu, GrGLuint pathID, const SkStrokeRec& stroke) {
SkASSERT(!stroke.isHairlineStyle());
GR_GL_CALL(gpu->glInterface(),
PathParameterf(pathID, GR_GL_PATH_STROKE_WIDTH, SkScalarToFloat(stroke.getWidth())));
@ -270,8 +269,8 @@ void GrGLPath::InitPathObjectEmptyPath(GrGLGpu* gpu, GrGLuint pathID) {
GR_GL_CALL(gpu->glInterface(), PathCommands(pathID, 0, nullptr, 0, GR_GL_FLOAT, nullptr));
}
GrGLPath::GrGLPath(GrGLGpu* gpu, const SkPath& origSkPath, const GrStrokeInfo& origStroke)
: INHERITED(gpu, origSkPath, origStroke),
GrGLPath::GrGLPath(GrGLGpu* gpu, const SkPath& origSkPath, const GrStyle& style)
: INHERITED(gpu, origSkPath, style),
fPathID(gpu->glPathRendering()->genPaths(1)) {
if (origSkPath.isEmpty()) {
@ -281,21 +280,21 @@ GrGLPath::GrGLPath(GrGLGpu* gpu, const SkPath& origSkPath, const GrStrokeInfo& o
} else {
const SkPath* skPath = &origSkPath;
SkTLazy<SkPath> tmpPath;
const GrStrokeInfo* stroke = &origStroke;
GrStrokeInfo tmpStroke(SkStrokeRec::kFill_InitStyle);
SkStrokeRec stroke(SkStrokeRec::kFill_InitStyle);
if (stroke->isDashed()) {
if (style.pathEffect()) {
// Skia stroking and NVPR stroking differ with respect to dashing
// pattern.
// Convert a dashing to either a stroke or a fill.
if (stroke->applyDashToPath(tmpPath.init(), &tmpStroke, *skPath)) {
// Convert a dashing (or other path effect) to either a stroke or a fill.
if (style.applyPathEffectToPath(tmpPath.init(), &stroke, *skPath, SK_Scalar1)) {
skPath = tmpPath.get();
stroke = &tmpStroke;
}
} else {
stroke = style.strokeRec();
}
bool didInit = false;
if (stroke->needToApply() && stroke->getCap() != SkPaint::kButt_Cap) {
if (stroke.needToApply() && stroke.getCap() != SkPaint::kButt_Cap) {
// Skia stroking and NVPR stroking differ with respect to stroking
// end caps of empty subpaths.
// Convert stroke to fill if path contains empty subpaths.
@ -304,10 +303,9 @@ GrGLPath::GrGLPath(GrGLGpu* gpu, const SkPath& origSkPath, const GrStrokeInfo& o
if (!tmpPath.isValid()) {
tmpPath.init();
}
SkAssertResult(stroke->applyToPath(tmpPath.get(), *skPath));
SkAssertResult(stroke.applyToPath(tmpPath.get(), *skPath));
skPath = tmpPath.get();
tmpStroke.setFillStyle();
stroke = &tmpStroke;
stroke.setFillStyle();
}
}
@ -315,18 +313,16 @@ GrGLPath::GrGLPath(GrGLGpu* gpu, const SkPath& origSkPath, const GrStrokeInfo& o
InitPathObjectPathData(gpu, fPathID, *skPath);
}
fShouldStroke = stroke->needToApply();
fShouldFill = stroke->isFillStyle() ||
stroke->getStyle() == SkStrokeRec::kStrokeAndFill_Style;
fShouldStroke = stroke.needToApply();
fShouldFill = stroke.isFillStyle() ||
stroke.getStyle() == SkStrokeRec::kStrokeAndFill_Style;
fFillType = convert_skpath_filltype(skPath->getFillType());
fBounds = skPath->getBounds();
SkScalar radius = stroke.getInflationRadius();
fBounds.outset(radius, radius);
if (fShouldStroke) {
InitPathObjectStroke(gpu, fPathID, *stroke);
// FIXME: try to account for stroking, without rasterizing the stroke.
fBounds.outset(stroke->getWidth(), stroke->getWidth());
InitPathObjectStroke(gpu, fPathID, stroke);
}
}

5
src/gpu/gl/GrGLPath.h
View File

@ -12,6 +12,7 @@
#include "gl/GrGLTypes.h"
class GrGLGpu;
class GrStyle;
/**
* Currently this represents a path built using GL_NV_path_rendering. If we
@ -27,12 +28,12 @@ public:
static void InitPathObjectPathData(GrGLGpu*,
GrGLuint pathID,
const SkPath&);
static void InitPathObjectStroke(GrGLGpu* gpu, GrGLuint pathID, const GrStrokeInfo& stroke);
static void InitPathObjectStroke(GrGLGpu*, GrGLuint pathID, const SkStrokeRec&);
static void InitPathObjectEmptyPath(GrGLGpu*, GrGLuint pathID);
GrGLPath(GrGLGpu* gpu, const SkPath& path, const GrStrokeInfo& stroke);
GrGLPath(GrGLGpu*, const SkPath&, const GrStyle&);
GrGLuint pathID() const { return fPathID; }
bool shouldStroke() const { return fShouldStroke; }

53
src/gpu/gl/GrGLPathRange.cpp
View File

@ -10,9 +10,9 @@
#include "GrGLPathRendering.h"
#include "GrGLGpu.h"
GrGLPathRange::GrGLPathRange(GrGLGpu* gpu, PathGenerator* pathGenerator, const GrStrokeInfo& stroke)
GrGLPathRange::GrGLPathRange(GrGLGpu* gpu, PathGenerator* pathGenerator, const GrStyle& style)
: INHERITED(gpu, pathGenerator),
fStroke(stroke),
fStyle(style),
fBasePathID(gpu->glPathRendering()->genPaths(this->getNumPaths())),
fGpuMemorySize(0) {
this->init();
@ -23,9 +23,9 @@ GrGLPathRange::GrGLPathRange(GrGLGpu* gpu,
GrGLuint basePathID,
int numPaths,
size_t gpuMemorySize,
const GrStrokeInfo& stroke)
const GrStyle& style)
: INHERITED(gpu, numPaths),
fStroke(stroke),
fStyle(style),
fBasePathID(basePathID),
fGpuMemorySize(gpuMemorySize) {
this->init();
@ -33,19 +33,20 @@ GrGLPathRange::GrGLPathRange(GrGLGpu* gpu,
}
void GrGLPathRange::init() {
const SkStrokeRec& stroke = fStyle.strokeRec();
// Must force fill:
// * dashing: NVPR stroke dashing is different to Skia.
// * end caps: NVPR stroking degenerate contours with end caps is different to Skia.
bool forceFill = fStroke.isDashed() ||
(fStroke.needToApply() && fStroke.getCap() != SkPaint::kButt_Cap);
bool forceFill = fStyle.pathEffect() ||
(stroke.needToApply() && stroke.getCap() != SkPaint::kButt_Cap);
if (forceFill) {
fShouldStroke = false;
fShouldFill = true;
} else {
fShouldStroke = fStroke.needToApply();
fShouldFill = fStroke.isFillStyle() ||
fStroke.getStyle() == SkStrokeRec::kStrokeAndFill_Style;
fShouldStroke = stroke.needToApply();
fShouldFill = stroke.isFillStyle() ||
stroke.getStyle() == SkStrokeRec::kStrokeAndFill_Style;
}
}
@ -54,7 +55,6 @@ void GrGLPathRange::onInitPath(int index, const SkPath& origSkPath) const {
if (nullptr == gpu) {
return;
}
// Make sure the path at this index hasn't been initted already.
SkDEBUGCODE(
GrGLboolean isPath;
@ -65,32 +65,25 @@ void GrGLPathRange::onInitPath(int index, const SkPath& origSkPath) const {
GrGLPath::InitPathObjectEmptyPath(gpu, fBasePathID + index);
} else if (fShouldStroke) {
GrGLPath::InitPathObjectPathData(gpu, fBasePathID + index, origSkPath);
GrGLPath::InitPathObjectStroke(gpu, fBasePathID + index, fStroke);
GrGLPath::InitPathObjectStroke(gpu, fBasePathID + index, fStyle.strokeRec());
} else {
const SkPath* skPath = &origSkPath;
SkTLazy<SkPath> tmpPath;
const GrStrokeInfo* stroke = &fStroke;
GrStrokeInfo tmpStroke(SkStrokeRec::kFill_InitStyle);
// Dashing must be applied to the path. However, if dashing is present,
// we must convert all the paths to fills. The GrStrokeInfo::applyDash leaves
// simple paths as strokes but converts other paths to fills.
// Thus we must stroke the strokes here, so that all paths in the
// path range are using the same style.
if (fStroke.isDashed()) {
if (!stroke->applyDashToPath(tmpPath.init(), &tmpStroke, *skPath)) {
if (!fStyle.isSimpleFill()) {
SkStrokeRec::InitStyle fill;
// The path effect must be applied to the path. However, if a path effect is present,
// we must convert all the paths to fills. The path effect application may leave
// simple paths as strokes but converts other paths to fills.
// Thus we must stroke the strokes here, so that all paths in the
// path range are using the same style.
if (!fStyle.applyToPath(tmpPath.init(), &fill, *skPath, SK_Scalar1)) {
return;
}
// We shouldn't have allowed hairlines or arbitrary path effect styles to get here
// so after application we better have a filled path.
SkASSERT(SkStrokeRec::kFill_InitStyle == fill);
skPath = tmpPath.get();
stroke = &tmpStroke;
}
if (stroke->needToApply()) {
if (!tmpPath.isValid()) {
tmpPath.init();
}
if (!stroke->applyToPath(tmpPath.get(), *tmpPath.get())) {
return;
}
}
GrGLPath::InitPathObjectPathData(gpu, fBasePathID + index, *skPath);
}

8
src/gpu/gl/GrGLPathRange.h
View File

@ -9,7 +9,7 @@
#define GrGLPathRange_DEFINED
#include "../GrPathRange.h"
#include "GrStrokeInfo.h"
#include "GrStyle.h"
#include "gl/GrGLTypes.h"
class GrGLGpu;
@ -26,7 +26,7 @@ public:
* Initialize a GL path range from a PathGenerator. This class will allocate
* the GPU path objects and initialize them lazily.
*/
GrGLPathRange(GrGLGpu*, PathGenerator*, const GrStrokeInfo&);
GrGLPathRange(GrGLGpu*, PathGenerator*, const GrStyle&);
/**
* Initialize a GL path range from an existing range of pre-initialized GPU
@ -37,7 +37,7 @@ public:
GrGLuint basePathID,
int numPaths,
size_t gpuMemorySize,
const GrStrokeInfo&);
const GrStyle&);
GrGLuint basePathID() const { return fBasePathID; }
@ -54,7 +54,7 @@ private:
void init();
size_t onGpuMemorySize() const override { return fGpuMemorySize; }
const GrStrokeInfo fStroke;
const GrStyle fStyle;
GrGLuint fBasePathID;
mutable size_t fGpuMemorySize;
bool fShouldStroke;

8
src/gpu/gl/GrGLPathRendering.cpp
View File

@ -106,13 +106,13 @@ void GrGLPathRendering::resetContext() {
fHWPathStencilSettings.invalidate();
}
GrPath* GrGLPathRendering::createPath(const SkPath& inPath, const GrStrokeInfo& stroke) {
return new GrGLPath(this->gpu(), inPath, stroke);
GrPath* GrGLPathRendering::createPath(const SkPath& inPath, const GrStyle& style) {
return new GrGLPath(this->gpu(), inPath, style);
}
GrPathRange* GrGLPathRendering::createPathRange(GrPathRange::PathGenerator* pathGenerator,
const GrStrokeInfo& stroke) {
return new GrGLPathRange(this->gpu(), pathGenerator, stroke);
const GrStyle& style) {
return new GrGLPathRange(this->gpu(), pathGenerator, style);
}
void GrGLPathRendering::onStencilPath(const StencilPathArgs& args, const GrPath* path) {

5
src/gpu/gl/GrGLPathRendering.h
View File

@ -16,6 +16,7 @@
class GrGLNameAllocator;
class GrGLGpu;
class GrStyle;
/**
* This class wraps the NV_path_rendering extension and manages its various
@ -33,9 +34,9 @@ public:
virtual ~GrGLPathRendering();
// GrPathRendering implementations.
GrPath* createPath(const SkPath&, const GrStrokeInfo&) override;
GrPath* createPath(const SkPath&, const GrStyle&) override;
virtual GrPathRange* createPathRange(GrPathRange::PathGenerator*,
const GrStrokeInfo&) override;
const GrStyle&) override;
/* Called when the 3D context state is unknown. */
void resetContext();

77
src/gpu/text/GrStencilAndCoverTextContext.cpp
View File

@ -235,6 +235,18 @@ void GrStencilAndCoverTextContext::drawTextBlob(GrContext* context, GrDrawContex
}
}
static inline int style_key_cnt(const GrStyle& style) {
int cnt = GrStyle::KeySize(style, GrStyle::Apply::kPathEffectAndStrokeRec);
// We should be able to make a key because we filtered out arbitrary path effects.
SkASSERT(cnt > 0);
return cnt;
}
static inline void write_style_key(uint32_t* dst, const GrStyle& style) {
// Pass 1 for the scale since the GPU will apply the style not GrStyle::applyToPath().
GrStyle::WriteKey(dst, style, GrStyle::Apply::kPathEffectAndStrokeRec, SK_Scalar1);
}
const GrStencilAndCoverTextContext::TextBlob&
GrStencilAndCoverTextContext::findOrCreateTextBlob(const SkTextBlob* skBlob,
const SkPaint& skPaint) {
@ -253,11 +265,11 @@ GrStencilAndCoverTextContext::findOrCreateTextBlob(const SkTextBlob* skBlob,
fCacheSize += blob->cpuMemorySize();
return *blob;
} else {
GrStrokeInfo stroke(skPaint);
GrStyle style(skPaint);
SkSTArray<4, uint32_t, true> key;
key.reset(1 + stroke.computeUniqueKeyFragmentData32Cnt());
key.reset(1 + style_key_cnt(style));
key[0] = skBlob->uniqueID();
stroke.asUniqueKeyFragment(&key[1]);
write_style_key(&key[1], style);
if (TextBlob** found = fBlobKeyCache.find(key)) {
fLRUList.remove(*found);
fLRUList.addToTail(*found);
@ -353,41 +365,48 @@ private:
////////////////////////////////////////////////////////////////////////////////////////////////////
GrStencilAndCoverTextContext::TextRun::TextRun(const SkPaint& fontAndStroke)
: fStroke(fontAndStroke),
: fStyle(fontAndStroke),
fFont(fontAndStroke),
fTotalGlyphCount(0),
fFallbackGlyphCount(0),
fDetachedGlyphCache(nullptr),
fLastDrawnGlyphsID(SK_InvalidUniqueID) {
SkASSERT(fFont.getTextSize() > 0);
SkASSERT(!fStroke.isHairlineStyle()); // Hairlines are not supported.
SkASSERT(!fStyle.hasNonDashPathEffect()); // Arbitrary path effects not supported.
SkASSERT(!fStyle.isSimpleHairline()); // Hairlines are not supported.
// Setting to "fill" ensures that no strokes get baked into font outlines. (We use the GPU path
// rendering API for stroking).
fFont.setStyle(SkPaint::kFill_Style);
if (fFont.isFakeBoldText() && SkStrokeRec::kStroke_Style != fStroke.getStyle()) {
if (fFont.isFakeBoldText() && fStyle.isSimpleFill()) {
const SkStrokeRec& stroke = fStyle.strokeRec();
// Instead of letting fake bold get baked into the glyph outlines, do it with GPU stroke.
SkScalar fakeBoldScale = SkScalarInterpFunc(fFont.getTextSize(),
kStdFakeBoldInterpKeys,
kStdFakeBoldInterpValues,
kStdFakeBoldInterpLength);
SkScalar extra = SkScalarMul(fFont.getTextSize(), fakeBoldScale);
fStroke.setStrokeStyle(fStroke.needToApply() ? fStroke.getWidth() + extra : extra,
true /*strokeAndFill*/);
SkStrokeRec strokeRec(SkStrokeRec::kFill_InitStyle);
strokeRec.setStrokeStyle(stroke.needToApply() ? stroke.getWidth() + extra : extra,
true /*strokeAndFill*/);
fStyle = GrStyle(strokeRec, fStyle.pathEffect());
fFont.setFakeBoldText(false);
}
if (!fFont.getPathEffect() && !fStroke.isDashed()) {
if (!fFont.getPathEffect() && !fStyle.isDashed()) {
const SkStrokeRec& stroke = fStyle.strokeRec();
// We can draw the glyphs from canonically sized paths.
fTextRatio = fFont.getTextSize() / SkPaint::kCanonicalTextSizeForPaths;
fTextInverseRatio = SkPaint::kCanonicalTextSizeForPaths / fFont.getTextSize();
// Compensate for the glyphs being scaled by fTextRatio.
if (!fStroke.isFillStyle()) {
fStroke.setStrokeStyle(fStroke.getWidth() / fTextRatio,
SkStrokeRec::kStrokeAndFill_Style == fStroke.getStyle());
if (!fStyle.isSimpleFill()) {
SkStrokeRec strokeRec(SkStrokeRec::kFill_InitStyle);
strokeRec.setStrokeStyle(stroke.getWidth() / fTextRatio,
SkStrokeRec::kStrokeAndFill_Style == stroke.getStyle());
fStyle = GrStyle(strokeRec, fStyle.pathEffect());
}
fFont.setLinearText(true);
@ -407,7 +426,7 @@ GrStencilAndCoverTextContext::TextRun::TextRun(const SkPaint& fontAndStroke)
}
// Generate the key that will be used to cache the GPU glyph path objects.
if (fUsingRawGlyphPaths && fStroke.isFillStyle()) {
if (fUsingRawGlyphPaths && fStyle.isSimpleFill()) {
static const GrUniqueKey::Domain kRawFillPathGlyphDomain = GrUniqueKey::GenerateDomain();
const SkTypeface* typeface = fFont.getTypeface();
@ -416,24 +435,30 @@ GrStencilAndCoverTextContext::TextRun::TextRun(const SkPaint& fontAndStroke)
} else {
static const GrUniqueKey::Domain kPathGlyphDomain = GrUniqueKey::GenerateDomain();
int strokeDataCount = fStroke.computeUniqueKeyFragmentData32Cnt();
int styleDataCount = GrStyle::KeySize(fStyle, GrStyle::Apply::kPathEffectAndStrokeRec);
// Key should be valid since we opted out of drawing arbitrary path effects.
SkASSERT(styleDataCount >= 0);
if (fUsingRawGlyphPaths) {
const SkTypeface* typeface = fFont.getTypeface();
GrUniqueKey::Builder builder(&fGlyphPathsKey, kPathGlyphDomain, 2 + strokeDataCount);
GrUniqueKey::Builder builder(&fGlyphPathsKey, kPathGlyphDomain, 2 + styleDataCount);
reinterpret_cast<uint32_t&>(builder[0]) = typeface ? typeface->uniqueID() : 0;
reinterpret_cast<uint32_t&>(builder[1]) = strokeDataCount;
fStroke.asUniqueKeyFragment(&builder[2]);
reinterpret_cast<uint32_t&>(builder[1]) = styleDataCount;
if (styleDataCount) {
write_style_key(&builder[2], fStyle);
}
} else {
SkGlyphCache* glyphCache = this->getGlyphCache();
const SkTypeface* typeface = glyphCache->getScalerContext()->getTypeface();
const SkDescriptor* desc = &glyphCache->getDescriptor();
int descDataCount = (desc->getLength() + 3) / 4;
GrUniqueKey::Builder builder(&fGlyphPathsKey, kPathGlyphDomain,
2 + strokeDataCount + descDataCount);
2 + styleDataCount + descDataCount);
reinterpret_cast<uint32_t&>(builder[0]) = typeface ? typeface->uniqueID() : 0;
reinterpret_cast<uint32_t&>(builder[1]) = strokeDataCount | (descDataCount << 16);
fStroke.asUniqueKeyFragment(&builder[2]);
memcpy(&builder[2 + strokeDataCount], desc, desc->getLength());
reinterpret_cast<uint32_t&>(builder[1]) = styleDataCount | (descDataCount << 16);
if (styleDataCount) {
write_style_key(&builder[2], fStyle);
}
memcpy(&builder[2 + styleDataCount], desc, desc->getLength());
}
}
}
@ -541,13 +566,13 @@ GrPathRange* GrStencilAndCoverTextContext::TextRun::createGlyphs(GrContext* ctx)
if (fUsingRawGlyphPaths) {
SkScalerContextEffects noeffects;
glyphs = ctx->resourceProvider()->createGlyphs(fFont.getTypeface(), noeffects,
nullptr, fStroke);
nullptr, fStyle);
} else {
SkGlyphCache* cache = this->getGlyphCache();
glyphs = ctx->resourceProvider()->createGlyphs(cache->getScalerContext()->getTypeface(),
cache->getScalerContext()->getEffects(),
&cache->getDescriptor(),
fStroke);
fStyle);
}
ctx->resourceProvider()->assignUniqueKeyToResource(fGlyphPathsKey, glyphs);
}
@ -621,9 +646,9 @@ void GrStencilAndCoverTextContext::TextRun::draw(GrContext* ctx,
if (fFallbackTextBlob) {
SkPaint fallbackSkPaint(originalSkPaint);
fStroke.applyToPaint(&fallbackSkPaint);
if (!fStroke.isFillStyle()) {
fallbackSkPaint.setStrokeWidth(fStroke.getWidth() * fTextRatio);
fStyle.strokeRec().applyToPaint(&fallbackSkPaint);
if (!fStyle.isSimpleFill()) {
fallbackSkPaint.setStrokeWidth(fStyle.strokeRec().getWidth() * fTextRatio);
}
fallbackTextContext->drawTextBlob(ctx, dc, pipelineBuilder->clip(), fallbackSkPaint,

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

@ -9,7 +9,7 @@
#define GrStencilAndCoverTextContext_DEFINED
#include "GrDrawContext.h"
#include "GrStrokeInfo.h"
#include "GrStyle.h"
#include "SkDrawFilter.h"
#include "SkTextBlob.h"
#include "SkTHash.h"
@ -94,7 +94,7 @@ private:
GrPathRange* createGlyphs(GrContext*) const;
void appendGlyph(const SkGlyph&, const SkPoint&, FallbackBlobBuilder*);
GrStrokeInfo fStroke;
GrStyle fStyle;
SkPaint fFont;
SkScalar fTextRatio;
float fTextInverseRatio;

7
tests/GpuDrawPathTest.cpp
View File

@ -11,7 +11,7 @@
#include "GrContext.h"
#include "GrPath.h"
#include "GrStrokeInfo.h"
#include "GrStyle.h"
#include "SkBitmap.h"
#include "SkCanvas.h"
#include "SkColor.h"
@ -104,9 +104,8 @@ DEF_GPUTEST(GrPathKeys, reporter, /*factory*/) {
bool isVolatile;
GrUniqueKey key1, key2;
GrStrokeInfo stroke(SkStrokeRec::kFill_InitStyle);
GrPath::ComputeKey(path1, stroke, &key1, &isVolatile);
GrPath::ComputeKey(path2, stroke, &key2, &isVolatile);
GrPath::ComputeKey(path1, GrStyle::SimpleFill(), &key1, &isVolatile);
GrPath::ComputeKey(path2, GrStyle::SimpleFill(), &key2, &isVolatile);
REPORTER_ASSERT(reporter, key1 != key2);
}

4
tests/TessellatingPathRendererTests.cpp
View File

@ -239,7 +239,7 @@ static void test_path(GrDrawTarget* dt, GrRenderTarget* rt, GrResourceProvider*
pipelineBuilder.setXPFactory(
GrPorterDuffXPFactory::Create(SkXfermode::kSrc_Mode))->unref();
pipelineBuilder.setRenderTarget(rt);
GrStrokeInfo stroke(SkStrokeRec::kFill_InitStyle);
GrStyle style(SkStrokeRec::kFill_InitStyle);
GrPathRenderer::DrawPathArgs args;
args.fTarget = dt;
args.fPipelineBuilder = &pipelineBuilder;
@ -247,7 +247,7 @@ static void test_path(GrDrawTarget* dt, GrRenderTarget* rt, GrResourceProvider*
args.fColor = GrColor_WHITE;
args.fViewMatrix = &SkMatrix::I();
args.fPath = &path;
args.fStroke = &stroke;
args.fStyle = &style;
args.fAntiAlias = false;
tess.drawPath(args);
}