b6c65e9995
Initial classes. GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1579323002 Review URL: https://codereview.chromium.org/1579323002
116 lines
3.4 KiB
C++
116 lines
3.4 KiB
C++
/*
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* Copyright 2016 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 "SkCanvas.h"
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#include "SkSpecialImage.h"
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#include "SkSpecialSurface.h"
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#include "Test.h"
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#if SK_SUPPORT_GPU
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#include "GrContext.h"
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#include "SkGr.h"
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#endif
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class TestingSpecialSurfaceAccess {
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public:
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static const SkIRect& Subset(const SkSpecialSurface* surf) {
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return surf->subset();
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}
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static const SkIRect& Subset(const SkSpecialImage* img) {
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return img->subset();
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}
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};
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// Both 'kSmallerSize' and 'kFullSize' need to be a non-power-of-2 to exercise
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// the gpu's loose fit behavior
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static const int kSmallerSize = 10;
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static const int kPad = 5;
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static const int kFullSize = kSmallerSize + 2 * kPad;
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// Exercise the public API of SkSpecialSurface (e.g., getCanvas, newImageSnapshot)
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static void test_surface(SkSpecialSurface* surf, skiatest::Reporter* reporter, int offset) {
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const SkIRect surfSubset = TestingSpecialSurfaceAccess::Subset(surf);
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REPORTER_ASSERT(reporter, offset == surfSubset.fLeft);
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REPORTER_ASSERT(reporter, offset == surfSubset.fTop);
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REPORTER_ASSERT(reporter, kSmallerSize == surfSubset.width());
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REPORTER_ASSERT(reporter, kSmallerSize == surfSubset.height());
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SkCanvas* canvas = surf->getCanvas();
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SkASSERT_RELEASE(canvas);
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canvas->clear(SK_ColorRED);
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SkAutoTUnref<SkSpecialImage> img(surf->newImageSnapshot());
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REPORTER_ASSERT(reporter, img);
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const SkIRect imgSubset = TestingSpecialSurfaceAccess::Subset(img);
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REPORTER_ASSERT(reporter, surfSubset == imgSubset);
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// the canvas was invalidated by the newImageSnapshot call
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REPORTER_ASSERT(reporter, !surf->getCanvas());
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}
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DEF_TEST(SpecialSurface_Raster, reporter) {
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SkImageInfo info = SkImageInfo::MakeN32(kSmallerSize, kSmallerSize, kOpaque_SkAlphaType);
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SkAutoTUnref<SkSpecialSurface> surf(SkSpecialSurface::NewRaster(info));
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test_surface(surf, reporter, 0);
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}
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DEF_TEST(SpecialSurface_Raster2, reporter) {
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SkBitmap bm;
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bm.allocN32Pixels(kFullSize, kFullSize, true);
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const SkIRect subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);
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SkAutoTUnref<SkSpecialSurface> surf(SkSpecialSurface::NewFromBitmap(subset, bm));
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test_surface(surf, reporter, kPad);
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// TODO: check that the clear didn't escape the active region
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}
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#if SK_SUPPORT_GPU
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DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialSurface_Gpu1, reporter, context) {
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GrSurfaceDesc desc;
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desc.fConfig = kSkia8888_GrPixelConfig;
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desc.fFlags = kRenderTarget_GrSurfaceFlag;
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desc.fWidth = kSmallerSize;
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desc.fHeight = kSmallerSize;
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SkAutoTUnref<SkSpecialSurface> surf(SkSpecialSurface::NewRenderTarget(context, desc));
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test_surface(surf, reporter, 0);
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}
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// test the more flexible factory
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DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialSurface_Gpu2, reporter, context) {
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GrSurfaceDesc desc;
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desc.fConfig = kSkia8888_GrPixelConfig;
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desc.fFlags = kRenderTarget_GrSurfaceFlag;
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desc.fWidth = kFullSize;
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desc.fHeight = kFullSize;
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SkAutoTUnref<GrTexture> temp(context->textureProvider()->createApproxTexture(desc));
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SkASSERT_RELEASE(temp);
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const SkIRect subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);
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SkAutoTUnref<SkSpecialSurface> surf(SkSpecialSurface::NewFromTexture(subset, temp));
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test_surface(surf, reporter, kPad);
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// TODO: check that the clear didn't escape the active region
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}
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#endif
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