Method VulkanRadixSort

source/backend/vulkan/buffer/render/VulkanGaussianRender.cpp:298–335

    }
};
VulkanRadixSort::VulkanRadixSort(Backend* bn, int needBit) : mBackend(bn), mNeedBits(needBit) {
    mContent = new Content(static_cast<VulkanBackend*>(bn));
    auto extra = static_cast<VulkanBackend*>(bn);
    {
        std::vector<uint32_t> spc = {(uint32_t)mLocalSize, 1, 1, (uint32_t)128, (uint32_t)mLocalSize};
        std::vector<VkDescriptorType> types {
            VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
            VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
            VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER
        };
        if (extra->device().getLocalMemorySize() > 0) {
            mContent->cumsum = extra->getPipelineFactory()->getPipeline("glsl_cumsum_comp", types, spc, {}, true);
        } else {
            mContent->cumsum = extra->getPipelineFactory()->getPipeline("glsl_cumsum_single_comp", types, spc, {}, true);
        }
    }
    {
        std::vector<uint32_t> spc = {(uint32_t)mLocalSize, 1, 1, (uint32_t)(1<<mPerSortBit), (uint32_t)mLocalSize};
        std::vector<VkDescriptorType> types {
            VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
            VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
            VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
            VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
            VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER
        };
        mContent->radixsort_reorder = extra->getPipelineFactory()->getPipeline("glsl_radixsort_reorder_comp", types, spc, {}, true);
    }
    {
        std::vector<uint32_t> spc = {(uint32_t)mLocalSize, 1, 1, (uint32_t)(1<<mPerSortBit), (uint32_t)mLocalSize};
        std::vector<VkDescriptorType> types {
            VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
            VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
            VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
            VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER
        };
        mContent->radixsort_histogram = extra->getPipelineFactory()->getPipeline("glsl_radixsort_histogram_comp", types, spc, {}, true);
    }
}
VulkanRadixSort:: ~VulkanRadixSort() {
    delete mContent;
}