Why does VK_CULL_MODE_FRONT_AND_BACK exist?

Vulkan
1

When specifying cullMode in struct VkPipelineRasterizationStateCreateInfo, there is the flag VK_CULL_MODE_FRONT_AND_BACK which can be specified.

  • What could be a use case for culling front and back ?
  • In how far is this different from rasterizerDiscardEnable in VkPipelineRasterizationStateCreateInfo ?

Thanks
Johannes

2

VK_CULL_MODE_FRONT_AND_BACK culls only triangles. rasterizerDiscardEnable disables all rasterization.

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