c91fd3447e
This is split out of https://codereview.chromium.org/1914883002/ (Refactor drawContext/RenderTarget creation) GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1913743002 Review URL: https://codereview.chromium.org/1913743002
114 lines
3.4 KiB
C++
114 lines
3.4 KiB
C++
/*
|
|
* Copyright 2016 Google Inc.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file
|
|
*/
|
|
|
|
#include "SkCanvas.h"
|
|
#include "SkSpecialImage.h"
|
|
#include "SkSpecialSurface.h"
|
|
#include "Test.h"
|
|
|
|
#if SK_SUPPORT_GPU
|
|
#include "GrContext.h"
|
|
#include "SkGr.h"
|
|
#endif
|
|
|
|
class TestingSpecialSurfaceAccess {
|
|
public:
|
|
static const SkIRect& Subset(const SkSpecialSurface* surf) {
|
|
return surf->subset();
|
|
}
|
|
};
|
|
|
|
// Both 'kSmallerSize' and 'kFullSize' need to be a non-power-of-2 to exercise
|
|
// the gpu's loose fit behavior
|
|
static const int kSmallerSize = 10;
|
|
static const int kPad = 5;
|
|
static const int kFullSize = kSmallerSize + 2 * kPad;
|
|
|
|
// Exercise the public API of SkSpecialSurface (e.g., getCanvas, newImageSnapshot)
|
|
static void test_surface(const sk_sp<SkSpecialSurface>& surf,
|
|
skiatest::Reporter* reporter,
|
|
int offset) {
|
|
|
|
const SkIRect surfSubset = TestingSpecialSurfaceAccess::Subset(surf.get());
|
|
REPORTER_ASSERT(reporter, offset == surfSubset.fLeft);
|
|
REPORTER_ASSERT(reporter, offset == surfSubset.fTop);
|
|
REPORTER_ASSERT(reporter, kSmallerSize == surfSubset.width());
|
|
REPORTER_ASSERT(reporter, kSmallerSize == surfSubset.height());
|
|
|
|
SkCanvas* canvas = surf->getCanvas();
|
|
SkASSERT_RELEASE(canvas);
|
|
|
|
canvas->clear(SK_ColorRED);
|
|
|
|
sk_sp<SkSpecialImage> img(surf->makeImageSnapshot());
|
|
REPORTER_ASSERT(reporter, img);
|
|
|
|
const SkIRect imgSubset = img->subset();
|
|
REPORTER_ASSERT(reporter, surfSubset == imgSubset);
|
|
|
|
// the canvas was invalidated by the newImageSnapshot call
|
|
REPORTER_ASSERT(reporter, !surf->getCanvas());
|
|
}
|
|
|
|
DEF_TEST(SpecialSurface_Raster, reporter) {
|
|
|
|
SkImageInfo info = SkImageInfo::MakeN32(kSmallerSize, kSmallerSize, kOpaque_SkAlphaType);
|
|
sk_sp<SkSpecialSurface> surf(SkSpecialSurface::MakeRaster(info));
|
|
|
|
test_surface(surf, reporter, 0);
|
|
}
|
|
|
|
DEF_TEST(SpecialSurface_Raster2, reporter) {
|
|
|
|
SkBitmap bm;
|
|
bm.allocN32Pixels(kFullSize, kFullSize, true);
|
|
|
|
const SkIRect subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);
|
|
|
|
sk_sp<SkSpecialSurface> surf(SkSpecialSurface::MakeFromBitmap(subset, bm));
|
|
|
|
test_surface(surf, reporter, kPad);
|
|
|
|
// TODO: check that the clear didn't escape the active region
|
|
}
|
|
|
|
#if SK_SUPPORT_GPU
|
|
|
|
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SpecialSurface_Gpu1, reporter, ctxInfo) {
|
|
GrSurfaceDesc desc;
|
|
desc.fConfig = kSkia8888_GrPixelConfig;
|
|
desc.fFlags = kRenderTarget_GrSurfaceFlag;
|
|
desc.fWidth = kSmallerSize;
|
|
desc.fHeight = kSmallerSize;
|
|
|
|
sk_sp<SkSpecialSurface> surf(SkSpecialSurface::MakeRenderTarget(ctxInfo.fGrContext, desc));
|
|
|
|
test_surface(surf, reporter, 0);
|
|
}
|
|
|
|
// test the more flexible factory
|
|
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SpecialSurface_Gpu2, reporter, ctxInfo) {
|
|
GrSurfaceDesc desc;
|
|
desc.fConfig = kSkia8888_GrPixelConfig;
|
|
desc.fFlags = kRenderTarget_GrSurfaceFlag;
|
|
desc.fWidth = kFullSize;
|
|
desc.fHeight = kFullSize;
|
|
|
|
sk_sp<GrTexture> temp(ctxInfo.fGrContext->textureProvider()->createApproxTexture(desc));
|
|
SkASSERT_RELEASE(temp);
|
|
|
|
const SkIRect subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);
|
|
|
|
sk_sp<SkSpecialSurface> surf(SkSpecialSurface::MakeFromTexture(subset, std::move(temp)));
|
|
|
|
test_surface(surf, reporter, kPad);
|
|
|
|
// TODO: check that the clear didn't escape the active region
|
|
}
|
|
|
|
#endif
|