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Expand functionality of GrRectBatchFactory with AARects

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BUG=skia:

Review URL: https://codereview.chromium.org/1279303002
This commit is contained in:
joshualitt 2015-08-10 11:40:56 -07:00 committed by Commit bot
parent fb69bb3a5e
commit 14205b114a
9 changed files with 138 additions and 241 deletions
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2
gyp/gpu.gypi
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@ -65,8 +65,6 @@
'<(skia_src_path)/gpu/GrAAConvexTessellator.h',
'<(skia_src_path)/gpu/GrAADistanceFieldPathRenderer.cpp',
'<(skia_src_path)/gpu/GrAADistanceFieldPathRenderer.h',
'<(skia_src_path)/gpu/GrAARectRenderer.cpp',
'<(skia_src_path)/gpu/GrAARectRenderer.h',
'<(skia_src_path)/gpu/GrAddPathRenderers_default.cpp',
'<(skia_src_path)/gpu/GrAutoLocaleSetter.h',
'<(skia_src_path)/gpu/GrAllocator.h',

1
include/gpu/GrContext.h
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@ -18,7 +18,6 @@
#include "SkPathEffect.h"
#include "SkTypes.h"
class GrAARectRenderer;
class GrBatchFontCache;
class GrCaps;
struct GrContextOptions;

143
src/gpu/GrAARectRenderer.cpp
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@ -1,143 +0,0 @@
/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "GrAARectRenderer.h"
#include "GrBatchTarget.h"
#include "GrBatchTest.h"
#include "GrContext.h"
#include "GrDrawTarget.h"
#include "GrGeometryProcessor.h"
#include "GrInvariantOutput.h"
#include "GrTestUtils.h"
#include "GrVertexBuffer.h"
#include "SkColorPriv.h"
#include "batches/GrAAFillRectBatch.h"
#include "batches/GrAAStrokeRectBatch.h"
#include "gl/GrGLProcessor.h"
#include "gl/GrGLGeometryProcessor.h"
#include "gl/builders/GrGLProgramBuilder.h"
///////////////////////////////////////////////////////////////////////////////
void GrAARectRenderer::GeometryFillAARect(GrDrawTarget* target,
const GrPipelineBuilder& pipelineBuilder,
GrColor color,
const SkMatrix& viewMatrix,
const SkRect& rect,
const SkRect& devRect) {
GrAAFillRectBatch::Geometry geometry;
geometry.fRect = rect;
geometry.fViewMatrix = viewMatrix;
geometry.fDevRect = devRect;
geometry.fColor = color;
SkAutoTUnref<GrBatch> batch(GrAAFillRectBatch::Create(geometry));
target->drawBatch(pipelineBuilder, batch);
}
void GrAARectRenderer::StrokeAARect(GrDrawTarget* target,
const GrPipelineBuilder& pipelineBuilder,
GrColor color,
const SkMatrix& viewMatrix,
const SkRect& rect,
const SkRect& devRect,
const SkStrokeRec& stroke) {
SkVector devStrokeSize;
SkScalar width = stroke.getWidth();
if (width > 0) {
devStrokeSize.set(width, width);
viewMatrix.mapVectors(&devStrokeSize, 1);
devStrokeSize.setAbs(devStrokeSize);
} else {
devStrokeSize.set(SK_Scalar1, SK_Scalar1);
}
const SkScalar dx = devStrokeSize.fX;
const SkScalar dy = devStrokeSize.fY;
const SkScalar rx = SkScalarMul(dx, SK_ScalarHalf);
const SkScalar ry = SkScalarMul(dy, SK_ScalarHalf);
SkScalar spare;
{
SkScalar w = devRect.width() - dx;
SkScalar h = devRect.height() - dy;
spare = SkTMin(w, h);
}
SkRect devOutside(devRect);
devOutside.outset(rx, ry);
bool miterStroke = true;
// For hairlines, make bevel and round joins appear the same as mitered ones.
// small miter limit means right angles show bevel...
if ((width > 0) && (stroke.getJoin() != SkPaint::kMiter_Join ||
stroke.getMiter() < SK_ScalarSqrt2)) {
miterStroke = false;
}
if (spare <= 0 && miterStroke) {
FillAARect(target, pipelineBuilder, color, viewMatrix, devOutside, devOutside);
return;
}
SkRect devInside(devRect);
devInside.inset(rx, ry);
SkRect devOutsideAssist(devRect);
// For bevel-stroke, use 2 SkRect instances(devOutside and devOutsideAssist)
// to draw the outer of the rect. Because there are 8 vertices on the outer
// edge, while vertex number of inner edge is 4, the same as miter-stroke.
if (!miterStroke) {
devOutside.inset(0, ry);
devOutsideAssist.outset(0, ry);
}
GeometryStrokeAARect(target, pipelineBuilder, color, viewMatrix, devOutside,
devOutsideAssist, devInside, miterStroke);
}
void GrAARectRenderer::GeometryStrokeAARect(GrDrawTarget* target,
const GrPipelineBuilder& pipelineBuilder,
GrColor color,
const SkMatrix& viewMatrix,
const SkRect& devOutside,
const SkRect& devOutsideAssist,
const SkRect& devInside,
bool miterStroke) {
GrAAStrokeRectBatch::Geometry geometry;
geometry.fColor = color;
geometry.fDevOutside = devOutside;
geometry.fDevOutsideAssist = devOutsideAssist;
geometry.fDevInside = devInside;
geometry.fMiterStroke = miterStroke;
SkAutoTUnref<GrBatch> batch(GrAAStrokeRectBatch::Create(geometry, viewMatrix));
target->drawBatch(pipelineBuilder, batch);
}
void GrAARectRenderer::FillAANestedRects(GrDrawTarget* target,
const GrPipelineBuilder& pipelineBuilder,
GrColor color,
const SkMatrix& viewMatrix,
const SkRect rects[2]) {
SkASSERT(viewMatrix.rectStaysRect());
SkASSERT(!rects[0].isEmpty() && !rects[1].isEmpty());
SkRect devOutside, devInside;
viewMatrix.mapRect(&devOutside, rects[0]);
viewMatrix.mapRect(&devInside, rects[1]);
if (devInside.isEmpty()) {
FillAARect(target, pipelineBuilder, color, viewMatrix, devOutside, devOutside);
return;
}
GeometryStrokeAARect(target, pipelineBuilder, color, viewMatrix, devOutside,
devOutside, devInside, true);
}

73
src/gpu/GrAARectRenderer.h
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@ -1,73 +0,0 @@
/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrAARectRenderer_DEFINED
#define GrAARectRenderer_DEFINED
#include "GrColor.h"
#include "SkMatrix.h"
#include "SkRect.h"
#include "SkStrokeRec.h"
class GrClip;
class GrDrawTarget;
class GrIndexBuffer;
class GrPipelineBuilder;
/*
* This class wraps helper functions that draw AA rects (filled & stroked)
*/
class GrAARectRenderer {
public:
// TODO: potentialy fuse the fill & stroke methods and differentiate
// between them by passing in stroke (==NULL means fill).
static void FillAARect(GrDrawTarget* target,
const GrPipelineBuilder& pipelineBuilder,
GrColor color,
const SkMatrix& viewMatrix,
const SkRect& rect,
const SkRect& devRect) {
GeometryFillAARect(target, pipelineBuilder, color, viewMatrix, rect, devRect);
}
static void StrokeAARect(GrDrawTarget*,
const GrPipelineBuilder&,
GrColor,
const SkMatrix& viewMatrix,
const SkRect& rect,
const SkRect& devRect,
const SkStrokeRec& stroke);
// First rect is outer; second rect is inner
static void FillAANestedRects(GrDrawTarget*,
const GrPipelineBuilder&,
GrColor,
const SkMatrix& viewMatrix,
const SkRect rects[2]);
private:
GrAARectRenderer();
static void GeometryFillAARect(GrDrawTarget*,
const GrPipelineBuilder&,
GrColor,
const SkMatrix& viewMatrix,
const SkRect& rect,
const SkRect& devRect);
static void GeometryStrokeAARect(GrDrawTarget*,
const GrPipelineBuilder&,
GrColor,
const SkMatrix& viewMatrix,
const SkRect& devOutside,
const SkRect& devOutsideAssist,
const SkRect& devInside,
bool miterStroke);
};
#endif // GrAARectRenderer_DEFINED

1
src/gpu/GrContext.cpp
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@ -8,7 +8,6 @@
#include "GrContext.h"
#include "GrAARectRenderer.h"
#include "GrBatchFontCache.h"
#include "GrBatchTarget.h"
#include "GrBatchTest.h"

26
src/gpu/GrDrawContext.cpp
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@ -6,7 +6,6 @@
* found in the LICENSE file.
*/
#include "GrAARectRenderer.h"
#include "GrAtlasTextContext.h"
#include "GrBatchTest.h"
#include "GrColor.h"
@ -308,23 +307,14 @@ void GrDrawContext::drawRect(GrRenderTarget* rt,
width, viewMatrix, color);
if (doAA) {
SkAutoTUnref<GrBatch> batch;
if (width >= 0) {
GrAARectRenderer::StrokeAARect(fDrawTarget,
pipelineBuilder,
color,
viewMatrix,
rect,
devBoundRect,
*strokeInfo);
batch.reset(GrRectBatchFactory::CreateStrokeAA(color, viewMatrix, rect, devBoundRect,
*strokeInfo));
} else {
// filled AA rect
GrAARectRenderer::FillAARect(fDrawTarget,
pipelineBuilder,
color,
viewMatrix,
rect,
devBoundRect);
batch.reset(GrRectBatchFactory::CreateFillAA(color, viewMatrix, rect, devBoundRect));
}
fDrawTarget->drawBatch(pipelineBuilder, batch);
return;
}
@ -702,8 +692,10 @@ void GrDrawContext::drawPath(GrRenderTarget* rt,
SkRect rects[2];
if (is_nested_rects(viewMatrix, path, strokeInfo, rects)) {
GrAARectRenderer::FillAANestedRects(fDrawTarget, pipelineBuilder, color,
viewMatrix, rects);
SkAutoTUnref<GrBatch> batch(GrRectBatchFactory::CreateFillNestedRectsAA(color,
viewMatrix,
rects));
fDrawTarget->drawBatch(pipelineBuilder, batch);
return;
}
}

4
src/gpu/GrDrawTarget.cpp
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@ -8,7 +8,6 @@
#include "GrDrawTarget.h"
#include "GrAARectRenderer.h"
#include "GrCaps.h"
#include "GrGpu.h"
#include "GrPath.h"
@ -304,7 +303,8 @@ void GrDrawTarget::drawAARect(const GrPipelineBuilder& pipelineBuilder,
const SkMatrix& viewMatrix,
const SkRect& rect,
const SkRect& devRect) {
GrAARectRenderer::FillAARect(this, pipelineBuilder, color, viewMatrix, rect, devRect);
SkAutoTUnref<GrBatch> batch(GrRectBatchFactory::CreateFillAA(color, viewMatrix, rect, devRect));
this->drawBatch(pipelineBuilder, batch);
}
void GrDrawTarget::clear(const SkIRect* rect,

109
src/gpu/batches/GrRectBatchFactory.cpp
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@ -7,9 +7,29 @@
#include "GrRectBatchFactory.h"
#include "GrAAFillRectBatch.h"
#include "GrAAStrokeRectBatch.h"
#include "GrRectBatch.h"
#include "GrStrokeRectBatch.h"
#include "SkStrokeRec.h"
static GrBatch* create_stroke_aa_batch(GrColor color,
const SkMatrix& viewMatrix,
const SkRect& devOutside,
const SkRect& devOutsideAssist,
const SkRect& devInside,
bool miterStroke) {
GrAAStrokeRectBatch::Geometry geometry;
geometry.fColor = color;
geometry.fDevOutside = devOutside;
geometry.fDevOutsideAssist = devOutsideAssist;
geometry.fDevInside = devInside;
geometry.fMiterStroke = miterStroke;
return GrAAStrokeRectBatch::Create(geometry, viewMatrix);
}
namespace GrRectBatchFactory {
GrBatch* CreateFillBW(GrColor color,
@ -39,6 +59,19 @@ GrBatch* CreateFillBW(GrColor color,
return GrRectBatch::Create(geometry);
}
GrBatch* CreateFillAA(GrColor color,
const SkMatrix& viewMatrix,
const SkRect& rect,
const SkRect& devRect) {
GrAAFillRectBatch::Geometry geometry;
geometry.fRect = rect;
geometry.fViewMatrix = viewMatrix;
geometry.fDevRect = devRect;
geometry.fColor = color;
return GrAAFillRectBatch::Create(geometry);
}
GrBatch* CreateStrokeBW(GrColor color,
const SkMatrix& viewMatrix,
const SkRect& rect,
@ -52,4 +85,80 @@ GrBatch* CreateStrokeBW(GrColor color,
return GrStrokeRectBatch::Create(geometry, snapToPixelCenters);
}
GrBatch* CreateStrokeAA(GrColor color,
const SkMatrix& viewMatrix,
const SkRect& rect,
const SkRect& devRect,
const SkStrokeRec& stroke) {
SkVector devStrokeSize;
SkScalar width = stroke.getWidth();
if (width > 0) {
devStrokeSize.set(width, width);
viewMatrix.mapVectors(&devStrokeSize, 1);
devStrokeSize.setAbs(devStrokeSize);
} else {
devStrokeSize.set(SK_Scalar1, SK_Scalar1);
}
const SkScalar dx = devStrokeSize.fX;
const SkScalar dy = devStrokeSize.fY;
const SkScalar rx = SkScalarMul(dx, SK_ScalarHalf);
const SkScalar ry = SkScalarMul(dy, SK_ScalarHalf);
SkScalar spare;
{
SkScalar w = devRect.width() - dx;
SkScalar h = devRect.height() - dy;
spare = SkTMin(w, h);
}
SkRect devOutside(devRect);
devOutside.outset(rx, ry);
bool miterStroke = true;
// For hairlines, make bevel and round joins appear the same as mitered ones.
// small miter limit means right angles show bevel...
if ((width > 0) && (stroke.getJoin() != SkPaint::kMiter_Join ||
stroke.getMiter() < SK_ScalarSqrt2)) {
miterStroke = false;
}
if (spare <= 0 && miterStroke) {
return CreateFillAA(color, viewMatrix, devOutside, devOutside);
}
SkRect devInside(devRect);
devInside.inset(rx, ry);
SkRect devOutsideAssist(devRect);
// For bevel-stroke, use 2 SkRect instances(devOutside and devOutsideAssist)
// to draw the outer of the rect. Because there are 8 vertices on the outer
// edge, while vertex number of inner edge is 4, the same as miter-stroke.
if (!miterStroke) {
devOutside.inset(0, ry);
devOutsideAssist.outset(0, ry);
}
return create_stroke_aa_batch(color, viewMatrix, devOutside, devOutsideAssist, devInside,
miterStroke);
}
GrBatch* CreateFillNestedRectsAA(GrColor color,
const SkMatrix& viewMatrix,
const SkRect rects[2]) {
SkASSERT(viewMatrix.rectStaysRect());
SkASSERT(!rects[0].isEmpty() && !rects[1].isEmpty());
SkRect devOutside, devInside;
viewMatrix.mapRect(&devOutside, rects[0]);
viewMatrix.mapRect(&devInside, rects[1]);
if (devInside.isEmpty()) {
return CreateFillAA(color, viewMatrix, devOutside, devOutside);
}
return create_stroke_aa_batch(color, viewMatrix, devOutside, devOutside, devInside, true);
}
};

20
src/gpu/batches/GrRectBatchFactory.h
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@ -13,10 +13,10 @@
class GrBatch;
class SkMatrix;
struct SkRect;
class SkStrokeRec;
/*
* A factory for returning batches which can draw rectangles. Right now this only handles non-AA
* rects
* A factory for returning batches which can draw rectangles.
*/
namespace GrRectBatchFactory {
@ -26,12 +26,28 @@ GrBatch* CreateFillBW(GrColor color,
const SkRect* localRect,
const SkMatrix* localMatrix);
GrBatch* CreateFillAA(GrColor color,
const SkMatrix& viewMatrix,
const SkRect& rect,
const SkRect& devRect);
GrBatch* CreateStrokeBW(GrColor color,
const SkMatrix& viewMatrix,
const SkRect& rect,
SkScalar strokeWidth,
bool snapToPixelCenters);
GrBatch* CreateStrokeAA(GrColor,
const SkMatrix& viewMatrix,
const SkRect& rect,
const SkRect& devRect,
const SkStrokeRec& stroke);
// First rect is outer; second rect is inner
GrBatch* CreateFillNestedRectsAA(GrColor,
const SkMatrix& viewMatrix,
const SkRect rects[2]);
};
#endif