Method prepare_descriptor_set

cube/cube.cpp:2541–2570

}

void Demo::prepare_descriptor_set() {
    auto const alloc_info = vk::DescriptorSetAllocateInfo().setDescriptorPool(desc_pool).setSetLayouts(desc_layout);

    auto buffer_info = vk::DescriptorBufferInfo().setOffset(0).setRange(sizeof(vktexcube_vs_uniform));

    std::array<vk::DescriptorImageInfo, texture_count> tex_descs;
    for (uint32_t i = 0; i < texture_count; i++) {
        tex_descs[i].setSampler(textures[i].sampler);
        tex_descs[i].setImageView(textures[i].view);
        tex_descs[i].setImageLayout(vk::ImageLayout::eShaderReadOnlyOptimal);
    }

    std::array<vk::WriteDescriptorSet, 2> writes;
    writes[0].setDescriptorCount(1).setDescriptorType(vk::DescriptorType::eUniformBuffer).setPBufferInfo(&buffer_info);
    writes[1]
        .setDstBinding(1)
        .setDescriptorCount(texture_count)
        .setDescriptorType(vk::DescriptorType::eCombinedImageSampler)
        .setImageInfo(tex_descs);

    for (auto &submission_resource : submission_resources) {
        auto result = device.allocateDescriptorSets(&alloc_info, &submission_resource.descriptor_set);
        VERIFY(result == vk::Result::eSuccess);

        buffer_info.setBuffer(submission_resource.uniform_buffer);
        writes[0].setDstSet(submission_resource.descriptor_set);
        writes[1].setDstSet(submission_resource.descriptor_set);
        device.updateDescriptorSets(writes, {});
    }
}

void Demo::prepare_framebuffers() {
    std::array<vk::ImageView, 2> attachments;