Method WriteBuffer

deps/LLGL/sources/Renderer/Vulkan/VKRenderSystem.cpp:195–225

}

void VKRenderSystem::WriteBuffer(Buffer& dstBuffer, std::uint64_t dstOffset, const void* data, std::uint64_t dataSize)
{
    auto& bufferVK = LLGL_CAST(VKBuffer&, dstBuffer);

    if (bufferVK.GetStagingVkBuffer() != VK_NULL_HANDLE)
    {
        /* Copy data to staging buffer memory */
        device_.WriteBuffer(bufferVK.GetStagingDeviceBuffer(), data, dataSize, dstOffset);

        /* Copy staging buffer into hardware buffer */
        device_.CopyBuffer(bufferVK.GetStagingVkBuffer(), bufferVK.GetVkBuffer(), dataSize, dstOffset, dstOffset);
    }
    else
    {
        /* Create staging buffer */
        VkBufferCreateInfo stagingCreateInfo;
        BuildVkBufferCreateInfo(
            stagingCreateInfo,
            dataSize,
            (VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT)
        );

        auto stagingBuffer = CreateStagingBuffer(stagingCreateInfo, data, dataSize);

        /* Copy staging buffer into hardware buffer */
        device_.CopyBuffer(stagingBuffer.GetVkBuffer(), bufferVK.GetVkBuffer(), dataSize, 0, dstOffset);

        /* Release device memory region of staging buffer */
        stagingBuffer.ReleaseMemoryRegion(*deviceMemoryMngr_);
    }
}

void* VKRenderSystem::MapBuffer(Buffer& buffer, const CPUAccess access)
{