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Vulkan: Restart Index

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This PR adds support for restart indices. Restart indices are for
example used during hair rendering where an index buffer contains
multiple hair strands. When in the index buffer a restart index is
added, a new line will start, instead of continuing extending the
previous line.

Pull Request: https://projects.blender.org/blender/blender/pulls/108421
This commit is contained in:
Jeroen Bakker
2023-05-30 13:45:41 +02:00
parent 3fece69e6b
commit 84cb112b4e
1 changed files with 2 additions and 0 deletions
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2
source/blender/gpu/vulkan/vk_pipeline.cc
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@@ -156,6 +156,8 @@ void VKPipeline::finalize(VKContext &context,
VkPipelineInputAssemblyStateCreateInfo pipeline_input_assembly = {};
pipeline_input_assembly.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
pipeline_input_assembly.topology = to_vk_primitive_topology(prim_type);
pipeline_input_assembly.primitiveRestartEnable =
ELEM(prim_type, GPU_PRIM_TRIS, GPU_PRIM_LINES, GPU_PRIM_POINTS) ? VK_FALSE : VK_TRUE;
pipeline_create_info.pInputAssemblyState = &pipeline_input_assembly;
/* Viewport state. */