skia2/tests/SpecialSurfaceTest.cpp
Florin Malita 38aad81a54 Revert "Remove SkLights include from SkCanvas.h"
This reverts commit 9ff301bf91.

Reason for revert: need to update G3, Flutter.

Original change's description:
> Remove SkLights include from SkCanvas.h
> 
> SkLights.h pulls in a bunch of other headers and is not needed (fwdecl
> works fine).
> 
> Change-Id: Id2d7176eb3bf4609f72f46d513eebf59318f542f
> Reviewed-on: https://skia-review.googlesource.com/14904
> Reviewed-by: Mike Reed <reed@google.com>
> Commit-Queue: Florin Malita <fmalita@chromium.org>
> 

TBR=mtklein@google.com,fmalita@chromium.org,reed@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Change-Id: I4799ad5b31aaeaf529c8b912bbe09aa8869a5e6c
Reviewed-on: https://skia-review.googlesource.com/15107
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2017-05-02 15:42:07 +00:00

91 lines
2.8 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_RENDERING_CONTEXTS(SpecialSurface_Gpu1, reporter, ctxInfo) {
sk_sp<SkSpecialSurface> surf(SkSpecialSurface::MakeRenderTarget(ctxInfo.grContext(),
kSmallerSize, kSmallerSize,
kRGBA_8888_GrPixelConfig,
nullptr));
test_surface(surf, reporter, 0);
}
#endif