зеркало из https://github.com/mozilla/moz-skia.git
alpha threshold bitmap shader
Committed: http://code.google.com/p/skia/source/detail?r=11122 R=reed@google.com Author: bsalomon@google.com Review URL: https://chromiumcodereview.appspot.com/23707019 git-svn-id: http://skia.googlecode.com/svn/trunk@11131 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
commit-bot@chromium.org
Родитель
04c500fd75
Коммит
91a798f121
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@ -0,0 +1,144 @@
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/*
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* Copyright 2013 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "gm.h"
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#include "SkGradientShader.h"
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#include "SkBitmapAlphaThresholdShader.h"
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#include "SkTArray.h"
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#include "SkParsePath.h"
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class BitmapAlphaThresholdGM : public skiagm::GM {
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public:
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BitmapAlphaThresholdGM() {
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this->setBGColor(0xFF000000);
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}
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private:
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virtual uint32_t onGetFlags() const SK_OVERRIDE {
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// narrow this flags when the shader has a CPU implementation and
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// when it serializes.
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return
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kSkipPDF_Flag |
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kSkipPicture_Flag |
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kSkipPipe_Flag |
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kSkipPipeCrossProcess_Flag |
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kSkipTiled_Flag |
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kSkip565_Flag |
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kSkipScaledReplay_Flag |
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kSkipPDFRasterization_Flag |
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kGPUOnly_Flag;
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}
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virtual void onOnceBeforeDraw() SK_OVERRIDE {
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fBM.setConfig(SkBitmap::kARGB_8888_Config, 100, 100);
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if (!fBM.allocPixels()) {
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return;
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}
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SkCanvas canvas(fBM);
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SkPoint pts[] = { {0, 0}, {SkIntToScalar(fBM.width()), SkIntToScalar(fBM.height())} };
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SkColor colors[] = {0x00000000, 0xffffffff};
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SkShader* grad = SkGradientShader::CreateLinear(pts, colors, NULL, 2,
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SkShader::kClamp_TileMode);
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SkPaint gradPaint;
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gradPaint.setShader(grad)->unref();
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gradPaint.setXfermodeMode(SkXfermode::kSrc_Mode);
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canvas.drawPaint(gradPaint);
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// Construct the region used as a mask.
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SkRegion bmpBoundsClip;
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bmpBoundsClip.setRect(0, 0, fBM.width(), fBM.height());
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SkPath circlePath;
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SkScalar radius = SkScalarSqrt(SkIntToScalar(fBM.width() * fBM.height())) / 2;
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circlePath.addCircle(SkIntToScalar(fBM.width() / 2),
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SkIntToScalar(fBM.height() / 2),
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radius);
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fMask.setPath(circlePath, bmpBoundsClip);
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SkPath batPath;
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SkParsePath::FromSVGString(
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"M305.214,374.779c2.463,0,3.45,0.493,3.45,0.493l1.478-6.241c0,0,1.15,4.763,1.643,9.034"
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"c0.493,4.271,8.048,1.479,14.454,0.164c6.405-1.314,7.72-11.662,7.72-11.662h59.294c0,0-35.807,10.841-26.772,34.656"
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"c0,0-52.889-8.048-61.101,24.967h-0.001c-8.212-33.015-61.101-24.967-61.101-24.967c9.034-23.815-26.772-34.656-26.772-34.656"
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"h59.294c0,0,1.314,10.348,7.719,11.662c6.406,1.314,13.962,4.106,14.454-0.164c0.493-4.271,1.643-9.034,1.643-9.034l1.479,6.241"
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"c0,0,0.985-0.493,3.449-0.493H305.214L305.214,374.779z",
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&batPath);
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SkMatrix matrix;
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matrix.setTranslate(-208, -280);
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matrix.postScale(radius / 100, radius / 100);
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batPath.transform(matrix, &batPath);
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SkRegion batRegion;
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batRegion.setPath(batPath, bmpBoundsClip);
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fMask.op(batRegion, SkRegion::kDifference_Op);
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}
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virtual SkString onShortName() SK_OVERRIDE {
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return SkString("bat");
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}
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virtual SkISize onISize() SK_OVERRIDE {
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return SkISize::Make(518, 735);
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}
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virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
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SkTArray<SkMatrix> lms;
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lms.push_back().reset();
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lms.push_back().setScale(SK_Scalar1 / 2, SK_Scalar1);
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lms.push_back().setScale(SK_Scalar1, 2 * SK_Scalar1);
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lms.push_back().setRotate(-SK_Scalar1 * 30);
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lms.push_back().setSkew(0, SK_Scalar1 / 5);
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static const SkScalar kMargin = 5 * SK_Scalar1;
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canvas->translate(kMargin, kMargin);
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canvas->save();
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static const U8CPU kThresholds[] = { 0x0, 0x08, 0x40, 0x80, 0xC0, 0xF0, 0xFF };
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for (size_t i = 0; i < SK_ARRAY_COUNT(kThresholds); ++i) {
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for (int j = 0; j < lms.count(); ++j) {
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SkRect rect;
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rect.fLeft = 0;
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rect.fTop = 0;
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rect.fRight = SkIntToScalar(fBM.width());
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rect.fBottom = SkIntToScalar(fBM.height());
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SkShader* thresh;
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// This SkShader currently only has a GPU implementation.
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if (canvas->getDevice()->accessRenderTarget()) {
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thresh = SkBitmapAlphaThresholdShader::Create(fBM, fMask, kThresholds[i]);
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} else {
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thresh = SkShader::CreateBitmapShader(fBM, SkShader::kClamp_TileMode,
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SkShader::kClamp_TileMode);
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}
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thresh->setLocalMatrix(lms[j]);
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SkPaint paint;
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paint.setShader(thresh)->unref();
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canvas->drawRect(rect, paint);
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canvas->translate(SkIntToScalar(fBM.width() + kMargin), 0);
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}
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canvas->restore();
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canvas->translate(0, SkIntToScalar(fBM.height() + kMargin));
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canvas->save();
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}
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}
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SkBitmap fBM;
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SkRegion fMask;
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typedef skiagm::GM INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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DEF_GM( return new BitmapAlphaThresholdGM(); )
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@ -12,6 +12,7 @@
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'<(skia_src_path)/effects/SkArithmeticMode.cpp',
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'<(skia_src_path)/effects/SkAvoidXfermode.cpp',
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'<(skia_src_path)/effects/SkBicubicImageFilter.cpp',
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'<(skia_src_path)/effects/SkBitmapAlphaThresholdShader.cpp',
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'<(skia_src_path)/effects/SkBitmapSource.cpp',
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'<(skia_src_path)/effects/SkBlurDrawLooper.cpp',
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'<(skia_src_path)/effects/SkBlurMask.cpp',
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@ -80,6 +81,7 @@
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'<(skia_include_path)/effects/SkXfermodeImageFilter.h',
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'<(skia_include_path)/effects/SkArithmeticMode.h',
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'<(skia_include_path)/effects/SkAvoidXfermode.h',
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'<(skia_include_path)/effects/SkBitmapAlphaThresholdShader.h',
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'<(skia_include_path)/effects/SkBitmapSource.h',
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'<(skia_include_path)/effects/SkBlurDrawLooper.h',
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'<(skia_include_path)/effects/SkBlurImageFilter.h',
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@ -10,6 +10,7 @@
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'../gm/bicubicfilter.cpp',
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'../gm/bigmatrix.cpp',
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'../gm/bigtext.cpp',
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'../gm/bitmapalphathreshold.cpp',
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'../gm/bitmapcopy.cpp',
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'../gm/bitmapmatrix.cpp',
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'../gm/bitmapfilters.cpp',
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@ -318,9 +318,11 @@ public:
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virtual GradientType asAGradient(GradientInfo* info) const;
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/**
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* If the shader subclass has a GrEffect implementation, this installs an effect on the stage.
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* The GrContext may be used by the effect to create textures. The GPU device does not call
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* setContext. Instead we pass the paint here in case the shader needs paint info.
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* If the shader subclass has a GrEffect implementation, this resturns the effect to install.
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* The incoming color to the effect has r=g=b=a all extracted from the SkPaint's alpha.
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* The output color should be the computed SkShader premul color modulated by the incoming
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* color. The GrContext may be used by the effect to create textures. The GPU device does not
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* call setContext. Instead we pass the SkPaint here in case the shader needs paint info.
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*/
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virtual GrEffectRef* asNewEffect(GrContext* context, const SkPaint& paint) const;
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@ -0,0 +1,24 @@
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/*
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* Copyright 2013 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkShader.h"
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#include "SkBitmap.h"
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#include "SkRegion.h"
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#include "SkString.h"
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class SK_API SkBitmapAlphaThresholdShader : public SkShader {
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public:
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/**
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* Creates a shader that samples a bitmap and a region. If the sample is inside the region
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* the alpha of the bitmap color is boosted up to a threshold value. If it is
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* outside the region then the bitmap alpha is decreased to the threshold value.
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* The 0,0 point of the region corresponds to the upper left corner of the bitmap
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* Currently, this only has a GPU implementation, doesn't respect the paint's bitmap
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* filter setting, and always uses clamp mode.
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*/
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static SkShader* Create(const SkBitmap& bitmap, const SkRegion& region, U8CPU threshold);
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};
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@ -204,8 +204,9 @@ public:
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protected:
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/**
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* Subclasses call this from their constructor to register GrTextureAccesses. The effect
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* subclass manages the lifetime of the accesses (this function only stores a pointer). This
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* must only be called from the constructor because GrEffects are immutable.
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* subclass manages the lifetime of the accesses (this function only stores a pointer). The
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* GrTextureAccess is typically a member field of the GrEffet subclass. This must only be
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* called from the constructor because GrEffects are immutable.
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*/
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void addTextureAccess(const GrTextureAccess* textureAccess);
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@ -18,7 +18,7 @@ class GrTexture;
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* Represents the filtering and tile modes used to access a texture. It is mostly used with
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* GrTextureAccess (defined below). Also, some of the texture cache methods require knowledge about
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* filtering and tiling to perform a cache lookup. If it wasn't for this latter usage this would
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* be folded into GrTextureAccess.
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* be folded into GrTextureAccess. The default is clamp tile modes and no filtering.
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*/
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class GrTextureParams {
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public:
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|
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@ -0,0 +1,311 @@
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/*
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* Copyright 2013 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkBitmapAlphaThresholdShader.h"
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class BATShader : public SkShader {
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public:
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SK_DECLARE_INST_COUNT(SkThresholdShader);
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BATShader(const SkBitmap& bitmap, SkRegion region, U8CPU);
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BATShader(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) {
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// We should probably do something here.
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}
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virtual void shadeSpan(int x, int y, SkPMColor[], int count) SK_OVERRIDE {};
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#if SK_SUPPORT_GPU
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virtual GrEffectRef* asNewEffect(GrContext* context, const SkPaint& paint) const SK_OVERRIDE;
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#endif
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SK_DEVELOPER_TO_STRING();
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SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(BATShader)
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private:
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SkBitmap fBitmap;
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SkRegion fRegion;
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U8CPU fThreshold;
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typedef SkShader INHERITED;
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};
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SkShader* SkBitmapAlphaThresholdShader::Create(const SkBitmap& bitmap,
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const SkRegion& region,
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U8CPU threshold) {
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SkASSERT(threshold < 256);
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return SkNEW_ARGS(BATShader, (bitmap, region, threshold));
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}
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BATShader::BATShader(const SkBitmap& bitmap, SkRegion region, U8CPU threshold)
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: fBitmap(bitmap)
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, fRegion(region)
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, fThreshold(threshold) {
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};
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#ifdef SK_DEVELOPER
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void BATShader::toString(SkString* str) const {
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str->append("BATShader: (");
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fBitmap.toString(str);
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this->INHERITED::toString(str);
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str->append(")");
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}
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#endif
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#if SK_SUPPORT_GPU
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#include "GrContext.h"
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#include "GrEffect.h"
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#include "gl/GrGLEffect.h"
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#include "gl/GrGLEffectMatrix.h"
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#include "GrTBackendEffectFactory.h"
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#include "GrTextureAccess.h"
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#include "SkGr.h"
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/**
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* Could create specializations for some simple cases:
|
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* - The region is empty.
|
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* - The region fully contains the bitmap.
|
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* - The regions is 1 rect (or maybe a small number of rects).
|
||||
*/
|
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class ThresholdEffect : public GrEffect {
|
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public:
|
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virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE {
|
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return GrTBackendEffectFactory<ThresholdEffect>::getInstance();
|
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}
|
||||
|
||||
static GrEffectRef* Create(GrTexture* bmpTexture, const SkMatrix& bmpMatrix,
|
||||
GrTexture* maskTexture, const SkMatrix& maskMatrix,
|
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U8CPU threshold) {
|
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SkScalar thresh = SkIntToScalar(threshold) / 255;
|
||||
|
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AutoEffectUnref effect(SkNEW_ARGS(ThresholdEffect, (bmpTexture, bmpMatrix,
|
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maskTexture, maskMatrix,
|
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thresh)));
|
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return CreateEffectRef(effect);
|
||||
}
|
||||
|
||||
virtual void getConstantColorComponents(GrColor* color,
|
||||
uint32_t* validFlags) const SK_OVERRIDE {
|
||||
if ((kA_GrColorComponentFlag & *validFlags) && 0 == GrColorUnpackA(*color)) {
|
||||
return;
|
||||
}
|
||||
*validFlags = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
static const char* Name() { return "Bitmap Alpha Threshold"; }
|
||||
|
||||
class GLEffect : public GrGLEffect {
|
||||
public:
|
||||
GLEffect(const GrBackendEffectFactory& factory,
|
||||
const GrDrawEffect& e)
|
||||
: GrGLEffect(factory)
|
||||
, fBmpMatrix(GrEffect::kLocal_CoordsType)
|
||||
, fMaskMatrix(GrEffect::kLocal_CoordsType)
|
||||
, fPrevThreshold(-SK_Scalar1) {
|
||||
}
|
||||
|
||||
virtual void emitCode(GrGLShaderBuilder* builder,
|
||||
const GrDrawEffect& drawEffect,
|
||||
EffectKey key,
|
||||
const char* outputColor,
|
||||
const char* inputColor,
|
||||
const TextureSamplerArray& samplers) SK_OVERRIDE {
|
||||
SkString bmpCoord;
|
||||
SkString maskCoord;
|
||||
|
||||
GrSLType bmpCoordType = fBmpMatrix.emitCode(builder, key, &bmpCoord, NULL, "Bmp");
|
||||
EffectKey maskMatrixKey = key >> GrGLEffectMatrix::kKeyBits;
|
||||
GrSLType maskCoordType = fMaskMatrix.emitCode(builder,
|
||||
maskMatrixKey,
|
||||
&maskCoord,
|
||||
NULL,
|
||||
"Mask");
|
||||
|
||||
// put bitmap color in "color"
|
||||
builder->fsCodeAppend("\t\tvec4 color = ");
|
||||
builder->fsAppendTextureLookup(samplers[0], bmpCoord.c_str(), bmpCoordType);
|
||||
builder->fsCodeAppend(";\n");
|
||||
|
||||
// put alpha from mask texture in "mask"
|
||||
builder->fsCodeAppend("\t\tfloat mask = ");
|
||||
builder->fsAppendTextureLookup(samplers[1], maskCoord.c_str(), maskCoordType);
|
||||
builder->fsCodeAppend(".a;\n");
|
||||
|
||||
const char* threshold;
|
||||
|
||||
fThresholdUniHandle = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility,
|
||||
kFloat_GrSLType,
|
||||
"threshold",
|
||||
&threshold);
|
||||
builder->fsCodeAppendf("\t\tfloat thresh = %s;\n", threshold);
|
||||
|
||||
builder->fsCodeAppend("\t\tif (mask < 0.5) {\n"
|
||||
"\t\t\tif (color.a > thresh) {\n"
|
||||
"\t\t\t\tfloat scale = thresh / color.a;\n"
|
||||
"\t\t\t\tcolor.rgb *= scale;\n"
|
||||
"\t\t\t\tcolor.a = thresh;\n"
|
||||
"\t\t\t}\n"
|
||||
"\t\t} else if (color.a < thresh) {\n"
|
||||
"\t\t\tfloat scale = thresh / color.a;\n"
|
||||
"\t\t\tcolor.rgb *= scale;\n"
|
||||
"\t\t\tcolor.a = thresh;\n"
|
||||
"\t\t}\n");
|
||||
|
||||
builder->fsCodeAppend("color = ");
|
||||
SkString outStr;
|
||||
outStr.appendf("\t\t%s = ", outputColor);
|
||||
GrGLSLModulatef<4>(&outStr, inputColor, "color");
|
||||
outStr.append(";\n");
|
||||
builder->fsCodeAppend(outStr.c_str());
|
||||
}
|
||||
|
||||
virtual void setData(const GrGLUniformManager& uman, const GrDrawEffect& e) SK_OVERRIDE {
|
||||
const ThresholdEffect& effect = e.castEffect<ThresholdEffect>();
|
||||
fBmpMatrix.setData(uman, effect.fBmpMatrix, e, effect.fBmpAccess.getTexture());
|
||||
fMaskMatrix.setData(uman, effect.fMaskMatrix, e, effect.fMaskAccess.getTexture());
|
||||
if (fPrevThreshold != effect.fThreshold) {
|
||||
uman.set1f(fThresholdUniHandle, effect.fThreshold);
|
||||
}
|
||||
}
|
||||
|
||||
static inline EffectKey GenKey(const GrDrawEffect& e, const GrGLCaps&) {
|
||||
const ThresholdEffect& effect = e.castEffect<ThresholdEffect>();
|
||||
|
||||
EffectKey bmpMKey = GrGLEffectMatrix::GenKey(effect.fBmpMatrix,
|
||||
e,
|
||||
GrEffect::kLocal_CoordsType,
|
||||
effect.fBmpAccess.getTexture());
|
||||
EffectKey maskMKey = GrGLEffectMatrix::GenKey(effect.fMaskMatrix,
|
||||
e,
|
||||
GrEffect::kLocal_CoordsType,
|
||||
effect.fMaskAccess.getTexture());
|
||||
return bmpMKey | (maskMKey << GrGLEffectMatrix::kKeyBits);
|
||||
}
|
||||
|
||||
private:
|
||||
GrGLEffectMatrix fBmpMatrix;
|
||||
GrGLEffectMatrix fMaskMatrix;
|
||||
|
||||
GrGLUniformManager::UniformHandle fThresholdUniHandle;
|
||||
SkScalar fPrevThreshold;
|
||||
};
|
||||
|
||||
GR_DECLARE_EFFECT_TEST;
|
||||
|
||||
private:
|
||||
ThresholdEffect(GrTexture* bmpTexture, const SkMatrix& bmpMatrix,
|
||||
GrTexture* maskTexture, const SkMatrix& maskMatrix,
|
||||
SkScalar threshold)
|
||||
: fBmpAccess(bmpTexture, GrTextureParams())
|
||||
, fMaskAccess(maskTexture, GrTextureParams())
|
||||
, fBmpMatrix(bmpMatrix)
|
||||
, fMaskMatrix(maskMatrix)
|
||||
, fThreshold(threshold) {
|
||||
this->addTextureAccess(&fBmpAccess);
|
||||
this->addTextureAccess(&fMaskAccess);
|
||||
}
|
||||
|
||||
virtual bool onIsEqual(const GrEffect& other) const SK_OVERRIDE {
|
||||
const ThresholdEffect& e = CastEffect<ThresholdEffect>(other);
|
||||
return e.fBmpAccess.getTexture() == fBmpAccess.getTexture() &&
|
||||
e.fMaskAccess.getTexture() == fMaskAccess.getTexture() &&
|
||||
e.fBmpMatrix == fBmpMatrix &&
|
||||
e.fMaskMatrix == fMaskMatrix &&
|
||||
e.fThreshold == fThreshold;
|
||||
}
|
||||
|
||||
GrTextureAccess fBmpAccess;
|
||||
GrTextureAccess fMaskAccess;
|
||||
|
||||
SkMatrix fBmpMatrix;
|
||||
SkMatrix fMaskMatrix;
|
||||
|
||||
SkScalar fThreshold;
|
||||
};
|
||||
|
||||
GR_DEFINE_EFFECT_TEST(ThresholdEffect);
|
||||
|
||||
GrEffectRef* ThresholdEffect::TestCreate(SkMWCRandom* rand,
|
||||
GrContext*,
|
||||
const GrDrawTargetCaps&,
|
||||
GrTexture* textures[]) {
|
||||
GrTexture* bmpTex = textures[GrEffectUnitTest::kSkiaPMTextureIdx];
|
||||
GrTexture* maskTex = textures[GrEffectUnitTest::kAlphaTextureIdx];
|
||||
U8CPU thresh = rand->nextU() % 0xff;
|
||||
return ThresholdEffect::Create(bmpTex, SkMatrix::I(), maskTex, SkMatrix::I(), thresh);
|
||||
}
|
||||
|
||||
GrEffectRef* BATShader::asNewEffect(GrContext* context, const SkPaint& paint) const {
|
||||
SkMatrix localInverse;
|
||||
if (!this->getLocalMatrix().invert(&localInverse)) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
GrTextureDesc maskDesc;
|
||||
if (context->isConfigRenderable(kAlpha_8_GrPixelConfig)) {
|
||||
maskDesc.fConfig = kAlpha_8_GrPixelConfig;
|
||||
} else {
|
||||
maskDesc.fConfig = kRGBA_8888_GrPixelConfig;
|
||||
}
|
||||
maskDesc.fFlags = kRenderTarget_GrTextureFlagBit | kNoStencil_GrTextureFlagBit;
|
||||
const SkIRect& bounds = fRegion.getBounds();
|
||||
// Add one pixel of border to ensure that clamp mode will be all zeros
|
||||
// the outside.
|
||||
maskDesc.fWidth = bounds.width() + 2;
|
||||
maskDesc.fHeight = bounds.height() + 2;
|
||||
GrAutoScratchTexture ast(context, maskDesc, GrContext::kApprox_ScratchTexMatch);
|
||||
GrTexture* maskTexture = ast.texture();
|
||||
if (NULL == maskTexture) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
GrPaint grPaint;
|
||||
grPaint.setBlendFunc(kOne_GrBlendCoeff, kZero_GrBlendCoeff);
|
||||
SkRegion::Iterator iter(fRegion);
|
||||
context->setRenderTarget(maskTexture->asRenderTarget());
|
||||
context->clear(NULL, 0x0);
|
||||
|
||||
// offset to ensure border is zero on top/left
|
||||
SkMatrix matrix;
|
||||
matrix.setTranslate(SK_Scalar1, SK_Scalar1);
|
||||
context->setMatrix(matrix);
|
||||
|
||||
while (!iter.done()) {
|
||||
SkRect rect = SkRect::MakeFromIRect(iter.rect());
|
||||
context->drawRect(grPaint, rect);
|
||||
iter.next();
|
||||
}
|
||||
|
||||
GrTexture* bmpTexture = GrLockAndRefCachedBitmapTexture(context, fBitmap, NULL);
|
||||
if (NULL == bmpTexture) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
SkMatrix bmpMatrix = localInverse;
|
||||
bmpMatrix.postIDiv(bmpTexture->width(), bmpTexture->height());
|
||||
|
||||
SkMatrix maskMatrix = localInverse;
|
||||
// compensate for the border
|
||||
maskMatrix.postTranslate(SK_Scalar1, SK_Scalar1);
|
||||
maskMatrix.postIDiv(maskTexture->width(), maskTexture->height());
|
||||
|
||||
GrEffectRef* effect = ThresholdEffect::Create(bmpTexture, bmpMatrix,
|
||||
maskTexture, maskMatrix,
|
||||
fThreshold);
|
||||
|
||||
GrUnlockAndUnrefCachedBitmapTexture(bmpTexture);
|
||||
|
||||
return effect;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
@ -535,6 +535,11 @@ inline bool skPaint2GrPaintShader(SkGpuDevice* dev,
|
|||
return skPaint2GrPaintNoShader(dev, skPaint, false, constantColor, grPaint);
|
||||
}
|
||||
|
||||
// SkShader::asNewEffect() may do offscreen rendering. Setup default drawing state
|
||||
// Also require shader to set the render target .
|
||||
GrContext::AutoWideOpenIdentityDraw awo(dev->context(), NULL);
|
||||
GrContext::AutoRenderTarget(dev->context(), NULL);
|
||||
|
||||
// setup the shader as the first color effect on the paint
|
||||
SkAutoTUnref<GrEffectRef> effect(shader->asNewEffect(dev->context(), skPaint));
|
||||
if (NULL != effect.get()) {
|
||||
|
|
|
|||
|
|
@ -228,6 +228,7 @@ DEFINE_GPUTESTCLASS("GLPrograms", GLProgramsTestClass, GLProgramsTest)
|
|||
#include "SkLightingImageFilter.h"
|
||||
#include "SkMagnifierImageFilter.h"
|
||||
#include "SkColorMatrixFilter.h"
|
||||
#include "SkBitmapAlphaThresholdShader.h"
|
||||
|
||||
void forceLinking();
|
||||
|
||||
|
|
@ -240,6 +241,7 @@ void forceLinking() {
|
|||
SkMatrix::I());
|
||||
SkScalar matrix[20];
|
||||
SkColorMatrixFilter cmf(matrix);
|
||||
SkBitmapAlphaThresholdShader::Create(SkBitmap(), SkRegion(), 0x80);
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
|
|||
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