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C++ GrBackendTexture::setVkImageLayout方法代码示例

本文整理汇总了C++中GrBackendTexture::setVkImageLayout方法的典型用法代码示例。如果您正苦于以下问题:C++ GrBackendTexture::setVkImageLayout方法的具体用法?C++ GrBackendTexture::setVkImageLayout怎么用?C++ GrBackendTexture::setVkImageLayout使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在GrBackendTexture的用法示例。


在下文中一共展示了GrBackendTexture::setVkImageLayout方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1:

DEF_GPUTEST_FOR_VULKAN_CONTEXT(VkImageLayoutTest, reporter, ctxInfo) {
    GrContext* context = ctxInfo.grContext();
    GrVkGpu* gpu = static_cast<GrVkGpu*>(context->contextPriv().getGpu());

    GrBackendTexture backendTex = gpu->createTestingOnlyBackendTexture(nullptr, 1, 1,
                                                                       kRGBA_8888_GrPixelConfig,
                                                                       false,
                                                                       GrMipMapped::kNo);
    REPORTER_ASSERT(reporter, backendTex.isValid());

    GrVkImageInfo info;
    REPORTER_ASSERT(reporter, backendTex.getVkImageInfo(&info));
    VkImageLayout initLayout = info.fImageLayout;

    // Verify that setting that layout via a copy of a backendTexture is reflected in all the
    // backendTextures.
    GrBackendTexture backendTexCopy = backendTex;
    REPORTER_ASSERT(reporter, backendTexCopy.getVkImageInfo(&info));
    REPORTER_ASSERT(reporter, initLayout == info.fImageLayout);

    backendTexCopy.setVkImageLayout(VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);

    REPORTER_ASSERT(reporter, backendTex.getVkImageInfo(&info));
    REPORTER_ASSERT(reporter, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL == info.fImageLayout);

    REPORTER_ASSERT(reporter, backendTexCopy.getVkImageInfo(&info));
    REPORTER_ASSERT(reporter, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL == info.fImageLayout);

    // Setting back the layout since we didn't actually change it
    backendTex.setVkImageLayout(initLayout);

    sk_sp<SkImage> wrappedImage = SkImage::MakeFromTexture(context, backendTex,
                                                           kTopLeft_GrSurfaceOrigin,
                                                           kRGBA_8888_SkColorType,
                                                           kPremul_SkAlphaType, nullptr);
    REPORTER_ASSERT(reporter, wrappedImage.get());

    sk_sp<GrTextureProxy> texProxy = as_IB(wrappedImage)->asTextureProxyRef();
    REPORTER_ASSERT(reporter, texProxy.get());
    REPORTER_ASSERT(reporter, texProxy->priv().isInstantiated());
    GrTexture* texture = texProxy->priv().peekTexture();
    REPORTER_ASSERT(reporter, texture);

    // Verify that modifying the layout via the GrVkTexture is reflected in the GrBackendTexture
    GrVkTexture* vkTexture = static_cast<GrVkTexture*>(texture);
    REPORTER_ASSERT(reporter, initLayout == vkTexture->currentLayout());
    vkTexture->updateImageLayout(VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);

    REPORTER_ASSERT(reporter, backendTex.getVkImageInfo(&info));
    REPORTER_ASSERT(reporter, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL == info.fImageLayout);

    GrBackendTexture backendTexImage = wrappedImage->getBackendTexture(false);
    REPORTER_ASSERT(reporter, backendTexImage.getVkImageInfo(&info));
    REPORTER_ASSERT(reporter, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL == info.fImageLayout);

    // Verify that modifying the layout via the GrBackendTexutre is reflected in the GrVkTexture
    backendTexImage.setVkImageLayout(VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
    REPORTER_ASSERT(reporter, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL == vkTexture->currentLayout());

#ifdef SK_SUPPORT_LEGACY_BACKEND_OBJECTS
    // Verify that modifying the layout via the old textureHandle sitll works in is reflected in the
    // GrVkTexture and GrBackendTexture.
    GrVkImageInfo* backendInfo = (GrVkImageInfo*)wrappedImage->getTextureHandle(false);
    REPORTER_ASSERT(reporter, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL == backendInfo->fImageLayout);

    backendInfo->updateImageLayout(VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL);
    REPORTER_ASSERT(reporter,
                    VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL == vkTexture->currentLayout());
    REPORTER_ASSERT(reporter, backendTexImage.getVkImageInfo(&info));
    REPORTER_ASSERT(reporter, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL == info.fImageLayout);
#endif

    vkTexture->updateImageLayout(initLayout);

    REPORTER_ASSERT(reporter, backendTex.getVkImageInfo(&info));
    REPORTER_ASSERT(reporter, initLayout == info.fImageLayout);

    REPORTER_ASSERT(reporter, backendTexCopy.getVkImageInfo(&info));
    REPORTER_ASSERT(reporter, initLayout == info.fImageLayout);

    REPORTER_ASSERT(reporter, backendTexImage.getVkImageInfo(&info));
    REPORTER_ASSERT(reporter, initLayout == info.fImageLayout);

    // Check that we can do things like assigning the backend texture to invalid one, assign an
    // invalid one, assin a backend texture to inself etc. Success here is that we don't hit any of
    // our ref counting asserts.
    REPORTER_ASSERT(reporter, GrBackendTexture::TestingOnly_Equals(backendTex, backendTexCopy));

    GrBackendTexture invalidTexture;
    REPORTER_ASSERT(reporter, !invalidTexture.isValid());
    REPORTER_ASSERT(reporter, !GrBackendTexture::TestingOnly_Equals(invalidTexture, backendTexCopy));

    backendTexCopy = invalidTexture;
    REPORTER_ASSERT(reporter, !backendTexCopy.isValid());
    REPORTER_ASSERT(reporter, !GrBackendTexture::TestingOnly_Equals(invalidTexture, backendTexCopy));

    invalidTexture = backendTex;
    REPORTER_ASSERT(reporter, invalidTexture.isValid());
    REPORTER_ASSERT(reporter, GrBackendTexture::TestingOnly_Equals(invalidTexture, backendTex));

//.........这里部分代码省略.........
开发者ID:molikto,项目名称:Skia,代码行数:101,代码来源:VkBackendSurfaceTest.cpp


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