skia2/gm/bigrrectaaeffect.cpp
robertphillips 504ce5dc77 Optionally pass rendertarget to getTestTarget
This shouldn't really make any difference but allocating and holding on to a GrRenderTarget for each test target generates image differences for Mali GPUs. This CL allows an existing render target to be used for the test target.

TBR=bsalomon@google.com

Review URL: https://codereview.chromium.org/1447113002
2015-11-16 11:02:05 -08:00

133 lines
4.8 KiB
C++

/*
* 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 "gm.h"
#if SK_SUPPORT_GPU
#include "GrTest.h"
#include "effects/GrRRectEffect.h"
#include "SkDevice.h"
#include "SkRRect.h"
namespace skiagm {
///////////////////////////////////////////////////////////////////////////////
class BigRRectAAEffectGM : public GM {
public:
BigRRectAAEffectGM() {
this->setBGColor(sk_tool_utils::color_to_565(0xFFDDDDDD));
this->setUpRRects();
}
protected:
SkString onShortName() override {
return SkString("big_rrect_aa_effect");
}
SkISize onISize() override { return SkISize::Make(kImageWidth, kImageHeight); }
void onDraw(SkCanvas* canvas) override {
GrRenderTarget* rt = canvas->internal_private_accessTopLayerRenderTarget();
GrContext* context = rt ? rt->getContext() : nullptr;
if (!context) {
skiagm::GM::DrawGpuOnlyMessage(canvas);
return;
}
SkPaint paint;
#ifdef SK_DEBUG
static const SkRect kMaxRRectBound = SkRect::MakeWH(SkIntToScalar(kMaxSize),
SkIntToScalar(kMaxSize));
static const SkRect kMaxImageBound = SkRect::MakeWH(SkIntToScalar(kImageWidth),
SkIntToScalar(kImageHeight));
#endif
int y = kPad;
int x = kPad;
static const GrPrimitiveEdgeType kEdgeTypes[] = {
kFillAA_GrProcessorEdgeType,
kInverseFillAA_GrProcessorEdgeType,
};
for (size_t et = 0; et < SK_ARRAY_COUNT(kEdgeTypes); ++et) {
GrPrimitiveEdgeType edgeType = kEdgeTypes[et];
for (int curRRect = 0; curRRect < fRRects.count(); ++curRRect) {
#ifdef SK_DEBUG
SkASSERT(kMaxRRectBound.contains(fRRects[curRRect].getBounds()));
SkRect imageSpaceBounds = fRRects[curRRect].getBounds();
imageSpaceBounds.offset(SkIntToScalar(x), SkIntToScalar(y));
SkASSERT(kMaxImageBound.contains(imageSpaceBounds));
#endif
canvas->save();
canvas->translate(SkIntToScalar(x), SkIntToScalar(y));
GrTestTarget tt;
context->getTestTarget(&tt, rt);
if (nullptr == tt.target()) {
SkDEBUGFAIL("Couldn't get Gr test target.");
return;
}
GrPipelineBuilder pipelineBuilder;
SkRRect rrect = fRRects[curRRect];
rrect.offset(SkIntToScalar(x), SkIntToScalar(y));
SkAutoTUnref<GrFragmentProcessor> fp(GrRRectEffect::Create(edgeType, rrect));
SkASSERT(fp);
if (fp) {
pipelineBuilder.addCoverageFragmentProcessor(fp);
pipelineBuilder.setRenderTarget(rt);
SkRect bounds = SkRect::MakeWH(SkIntToScalar(kMaxSize),
SkIntToScalar(kMaxSize));
bounds.outset(2.f, 2.f);
bounds.offset(SkIntToScalar(x), SkIntToScalar(y));
tt.target()->drawNonAARect(pipelineBuilder,
0xff000000,
SkMatrix::I(),
bounds);
}
canvas->restore();
x = x + kDrawOffset;
if (x + kMaxSize> kImageWidth) {
x = kPad;
y += kDrawOffset;
}
}
}
}
void setUpRRects() {
SkScalar maxSize = SkIntToScalar(kMaxSize);
fRRects.push()->setRect(SkRect::MakeWH(maxSize, maxSize));
fRRects.push()->setOval(SkRect::MakeWH(maxSize, maxSize));
fRRects.push()->setOval(SkRect::MakeWH(maxSize - 1.f, maxSize - 10.f));
fRRects.push()->setRectXY(SkRect::MakeWH(maxSize - 1.f, maxSize - 10.f),
maxSize/2.f - 10.f, maxSize/2.f - 10.f);
fRRects.push()->setRectXY(SkRect::MakeWH(maxSize - 1.f, maxSize - 10),
maxSize/2.f - 10.f, maxSize/2.f - 20.f);
}
private:
static const int kPad = 5;
static const int kMaxSize = 300;
static const int kDrawOffset = kMaxSize + kPad;
static const int kImageWidth = 4 * kDrawOffset + kPad;
static const int kImageHeight = 3 * kDrawOffset + kPad;
SkTDArray<SkRRect> fRRects;
typedef GM INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
DEF_GM( return new BigRRectAAEffectGM (); )
}
#endif