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augment surface tests to check legacy genID

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BUG=skia:

Review URL: https://codereview.chromium.org/1219793002
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reed 2015-06-29 14:09:41 -07:00 committed by Commit bot
parent 63a82855b1
commit 09b2c932d8
1 changed files with 15 additions and 0 deletions
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15
tests/SurfaceTest.cpp
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@ -223,26 +223,41 @@ struct ReleaseDataContext {
}
};
// May we (soon) eliminate the need to keep testing this, by hiding the bloody device!
#include "SkDevice.h"
static uint32_t get_legacy_gen_id(SkSurface* surf) {
SkBaseDevice* device = surf->getCanvas()->getDevice_just_for_deprecated_compatibility_testing();
return device->accessBitmap(false).getGenerationID();
}
static void test_texture_handle(skiatest::Reporter* reporter, SkSurface* surf) {
SkAutoTUnref<SkImage> image0(surf->newImageSnapshot());
const uint32_t genID0 = get_legacy_gen_id(surf);
GrBackendObject obj = surf->getTextureHandle(SkSurface::kFlushRead_TextureHandleAccess);
REPORTER_ASSERT(reporter, obj != 0);
SkAutoTUnref<SkImage> image1(surf->newImageSnapshot());
const uint32_t genID1 = get_legacy_gen_id(surf);
// just read access should not affect the snapshot
REPORTER_ASSERT(reporter, image0->uniqueID() == image1->uniqueID());
REPORTER_ASSERT(reporter, genID0 == genID1);
obj = surf->getTextureHandle(SkSurface::kFlushWrite_TextureHandleAccess);
REPORTER_ASSERT(reporter, obj != 0);
SkAutoTUnref<SkImage> image2(surf->newImageSnapshot());
const uint32_t genID2 = get_legacy_gen_id(surf);
// expect a new image, since we claimed we would write
REPORTER_ASSERT(reporter, image0->uniqueID() != image2->uniqueID());
REPORTER_ASSERT(reporter, genID0 != genID2);
obj = surf->getTextureHandle(SkSurface::kDiscardWrite_TextureHandleAccess);
REPORTER_ASSERT(reporter, obj != 0);
SkAutoTUnref<SkImage> image3(surf->newImageSnapshot());
const uint32_t genID3 = get_legacy_gen_id(surf);
// expect a new(er) image, since we claimed we would write
REPORTER_ASSERT(reporter, image0->uniqueID() != image3->uniqueID());
REPORTER_ASSERT(reporter, image2->uniqueID() != image3->uniqueID());
REPORTER_ASSERT(reporter, genID0 != genID3);
REPORTER_ASSERT(reporter, genID2 != genID3);
}
static SkImage* create_image(skiatest::Reporter* reporter,