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/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkTypes.h"
#if SK_SUPPORT_GPU
#include "SkCanvas.h"
#include "SkDeferredDisplayListRecorder.h"
#include "SkGpuDevice.h"
#include "SkSurface.h"
#include "SkSurface_Gpu.h"
#include "SkSurfaceCharacterization.h"
#include "SkSurfaceProps.h"
#include "Test.h"
class SurfaceParameters {
public:
static const int kNumParams = 8;
static const int kSampleCount = 5;
SurfaceParameters()
: fWidth(64)
, fHeight(64)
, fOrigin(kTopLeft_GrSurfaceOrigin)
, fColorType(kRGBA_8888_SkColorType)
, fColorSpace(SkColorSpace::MakeSRGB())
, fSampleCount(0)
, fSurfaceProps(0x0, kUnknown_SkPixelGeometry) {
}
int sampleCount() const { return fSampleCount; }
// Modify the SurfaceParameters in just one way
void modify(int i) {
switch (i) {
case 0:
fWidth = 63;
break;
case 1:
fHeight = 63;
break;
case 2:
fOrigin = kBottomLeft_GrSurfaceOrigin;
break;
case 3:
fColorType = kRGBA_F16_SkColorType;
break;
case 4:
fColorSpace = SkColorSpace::MakeSRGBLinear();
break;
case kSampleCount:
fSampleCount = 4;
break;
case 6:
fSurfaceProps = SkSurfaceProps(0x0, kRGB_H_SkPixelGeometry);
break;
case 7:
fSurfaceProps = SkSurfaceProps(SkSurfaceProps::kUseDeviceIndependentFonts_Flag,
kUnknown_SkPixelGeometry);
break;
}
}
// Create the surface with the current set of parameters
sk_sp<SkSurface> make(GrContext* context) const {
// Note that Ganesh doesn't make use of the SkImageInfo's alphaType
SkImageInfo ii = SkImageInfo::Make(fWidth, fHeight, fColorType,
kPremul_SkAlphaType, fColorSpace);
return SkSurface::MakeRenderTarget(context, SkBudgeted::kYes, ii, fSampleCount,
fOrigin, &fSurfaceProps);
}
private:
int fWidth;
int fHeight;
GrSurfaceOrigin fOrigin;
SkColorType fColorType;
sk_sp<SkColorSpace> fColorSpace;
int fSampleCount;
SkSurfaceProps fSurfaceProps;
};
// This tests SkSurfaceCharacterization/SkSurface compatibility
DEF_GPUTEST_FOR_ALL_CONTEXTS(SkSurfaceCharacterization, reporter, ctxInfo) {
GrContext* context = ctxInfo.grContext();
std::unique_ptr<SkDeferredDisplayList> ddl;
// First, create a DDL using the stock SkSurface parameters
{
SurfaceParameters params;
sk_sp<SkSurface> s = params.make(context);
if (!s) {
return;
}
SkSurfaceCharacterization c;
SkAssertResult(s->characterize(&c));
SkDeferredDisplayListRecorder r(c);
SkCanvas* canvas = r.getCanvas();
if (!canvas) {
return;
}
canvas->drawRect(SkRect::MakeXYWH(10, 10, 10, 10), SkPaint());
ddl = r.detach();
REPORTER_ASSERT(reporter, s->draw(ddl.get()));
}
// Then, alter each parameter in turn and check that the DDL & surface are incompatible
for (int i = 0; i < SurfaceParameters::kNumParams; ++i) {
SurfaceParameters params;
params.modify(i);
sk_sp<SkSurface> s = params.make(context);
if (!s) {
continue;
}
if (SurfaceParameters::kSampleCount == i) {
SkSurface_Gpu* gpuSurf = static_cast<SkSurface_Gpu*>(s.get());
int supportedSampleCount = context->caps()->getSampleCount(
params.sampleCount(),
gpuSurf->getDevice()->accessRenderTargetContext()->asRenderTargetProxy()->config());
if (0 == supportedSampleCount) {
// If changing the sample count won't result in a different
// surface characterization, skip this step
continue;
}
}
REPORTER_ASSERT(reporter, !s->draw(ddl.get()));
}
// Next test the compatibility of resource cache parameters
{
const SurfaceParameters params;
sk_sp<SkSurface> s = params.make(context);
int maxResourceCount;
size_t maxResourceBytes;
context->getResourceCacheLimits(&maxResourceCount, &maxResourceBytes);
context->setResourceCacheLimits(maxResourceCount/2, maxResourceBytes);
REPORTER_ASSERT(reporter, !s->draw(ddl.get()));
context->setResourceCacheLimits(maxResourceCount, maxResourceBytes/2);
REPORTER_ASSERT(reporter, !s->draw(ddl.get()));
// resource limits >= those at characterization time are accepted
context->setResourceCacheLimits(2*maxResourceCount, maxResourceBytes);
REPORTER_ASSERT(reporter, s->draw(ddl.get()));
context->setResourceCacheLimits(maxResourceCount, 2*maxResourceBytes);
REPORTER_ASSERT(reporter, s->draw(ddl.get()));
context->setResourceCacheLimits(maxResourceCount, maxResourceBytes);
REPORTER_ASSERT(reporter, s->draw(ddl.get()));
}
// Make sure non-GPU-backed surfaces fail characterization
{
SkImageInfo ii = SkImageInfo::MakeN32(64, 64, kOpaque_SkAlphaType);
sk_sp<SkSurface> rasterSurface = SkSurface::MakeRaster(ii);
SkSurfaceCharacterization c;
REPORTER_ASSERT(reporter, !rasterSurface->characterize(&c));
}
}
#endif
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