skia2/tests/ImageIsOpaqueTest.cpp

55 lines
1.8 KiB
C++

/*
* Copyright 2014 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 "GrContextFactory.h"
#endif
#include "SkImage.h"
#include "SkSurface.h"
#include "Test.h"
DEF_TEST(ImageIsOpaqueTest, reporter) {
SkImageInfo infoTransparent = SkImageInfo::MakeN32Premul(5, 5);
SkAutoTUnref<SkSurface> surfaceTransparent(SkSurface::NewRaster(infoTransparent));
REPORTER_ASSERT(reporter, !surfaceTransparent->newImageSnapshot()->isOpaque());
SkImageInfo infoOpaque = SkImageInfo::MakeN32(5, 5, kOpaque_SkAlphaType);
SkAutoTUnref<SkSurface> surfaceOpaque(SkSurface::NewRaster(infoOpaque));
REPORTER_ASSERT(reporter, surfaceOpaque->newImageSnapshot()->isOpaque());
}
#if SK_SUPPORT_GPU
DEF_GPUTEST(ImageIsOpaqueTest_GPU, reporter, factory) {
for (int i = 0; i < GrContextFactory::kGLContextTypeCnt; ++i) {
GrContextFactory::GLContextType glCtxType = (GrContextFactory::GLContextType) i;
if (!GrContextFactory::IsRenderingGLContext(glCtxType)) {
continue;
}
GrContext* context = factory->get(glCtxType);
if (NULL == context) {
continue;
}
SkImageInfo infoTransparent = SkImageInfo::MakeN32Premul(5, 5);
SkAutoTUnref<SkSurface> surfaceTransparent(SkSurface::NewRenderTarget(context, infoTransparent));
REPORTER_ASSERT(reporter, !surfaceTransparent->newImageSnapshot()->isOpaque());
SkImageInfo infoOpaque = SkImageInfo::MakeN32(5, 5, kOpaque_SkAlphaType);
SkAutoTUnref<SkSurface> surfaceOpaque(SkSurface::NewRenderTarget(context, infoOpaque));
REPORTER_ASSERT(reporter, !surfaceOpaque->newImageSnapshot()->isOpaque());
}
}
#endif