dabe5d3780
Requires https://codereview.chromium.org/2087833002/ to land first. BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2086583002 Review-Url: https://codereview.chromium.org/2086583002
90 lines
3.2 KiB
C++
90 lines
3.2 KiB
C++
/*
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* Copyright 2014 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 "SkTypes.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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#endif
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#include "SkImage.h"
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#include "SkSurface.h"
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#include "SkReadBuffer.h"
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#include "SkWriteBuffer.h"
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static void test_flatten(skiatest::Reporter* reporter, const SkImageInfo& info) {
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// just need a safe amount of storage, but ensure that it is 4-byte aligned.
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int32_t storage[(sizeof(SkImageInfo)*2) / sizeof(int32_t)];
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SkBinaryWriteBuffer wb(storage, sizeof(storage));
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info.flatten(wb);
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SkASSERT(wb.bytesWritten() < sizeof(storage));
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SkReadBuffer rb(storage, wb.bytesWritten());
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// pick a noisy byte pattern, so we ensure that unflatten sets all of our fields
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SkImageInfo info2 = SkImageInfo::Make(0xB8, 0xB8, (SkColorType) 0xB8, (SkAlphaType) 0xB8);
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info2.unflatten(rb);
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REPORTER_ASSERT(reporter, rb.offset() == wb.bytesWritten());
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// FIXME (msarett):
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// Support flatten/unflatten of SkColorSpace objects.
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REPORTER_ASSERT(reporter, info.makeColorSpace(nullptr) == info2.makeColorSpace(nullptr));
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}
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DEF_TEST(ImageInfo_flattening, reporter) {
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sk_sp<SkColorSpace> spaces[] = {
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nullptr,
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SkColorSpace::NewNamed(SkColorSpace::kSRGB_Named),
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SkColorSpace::NewNamed(SkColorSpace::kAdobeRGB_Named),
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};
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for (int ct = 0; ct <= kLastEnum_SkColorType; ++ct) {
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for (int at = 0; at <= kLastEnum_SkAlphaType; ++at) {
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for (auto& cs : spaces) {
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SkImageInfo info = SkImageInfo::Make(100, 200,
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static_cast<SkColorType>(ct),
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static_cast<SkAlphaType>(at),
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cs);
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test_flatten(reporter, info);
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}
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}
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}
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}
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static void check_isopaque(skiatest::Reporter* reporter, const sk_sp<SkSurface>& surface,
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bool expectedOpaque) {
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sk_sp<SkImage> image(surface->makeImageSnapshot());
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REPORTER_ASSERT(reporter, image->isOpaque() == expectedOpaque);
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}
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DEF_TEST(ImageIsOpaqueTest, reporter) {
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SkImageInfo infoTransparent = SkImageInfo::MakeN32Premul(5, 5);
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auto surfaceTransparent(SkSurface::MakeRaster(infoTransparent));
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check_isopaque(reporter, surfaceTransparent, false);
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SkImageInfo infoOpaque = SkImageInfo::MakeN32(5, 5, kOpaque_SkAlphaType);
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auto surfaceOpaque(SkSurface::MakeRaster(infoOpaque));
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check_isopaque(reporter, surfaceOpaque, true);
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}
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#if SK_SUPPORT_GPU
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DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(ImageIsOpaqueTest_Gpu, reporter, ctxInfo) {
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GrContext* context = ctxInfo.grContext();
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SkImageInfo infoTransparent = SkImageInfo::MakeN32Premul(5, 5);
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auto surfaceTransparent(SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, infoTransparent));
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check_isopaque(reporter, surfaceTransparent, false);
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SkImageInfo infoOpaque = SkImageInfo::MakeN32(5, 5, kOpaque_SkAlphaType);
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auto surfaceOpaque(SkSurface::MakeRenderTarget(context,SkBudgeted::kNo, infoOpaque));
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check_isopaque(reporter, surfaceOpaque, true);
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}
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#endif
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