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[Fix] (MG_Util): map GL adjacency primitives to their Vulkan topologies

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GL_LINES_ADJACENCY / GL_LINE_STRIP_ADJACENCY / GL_TRIANGLES_ADJACENCY /
GL_TRIANGLE_STRIP_ADJACENCY fell through to the TRIANGLE_LIST default,
so adjacency draws assembled garbage. They now map to the matching
*_WITH_ADJACENCY topologies (adjacency vertices are discarded by Vulkan
when no geometry shader is active, matching GL semantics);
KHR-GL33.primitive_restart.restart_mode passes.
This commit is contained in:
BZLZHH
2026-08-01 00:30:01 -04:00
parent 8eaf2d0069
commit 95547ab9ce
1 changed files with 8 additions and 0 deletions
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MobileGL/MG_Util/Converters/MGToVk/RenderStateEnumConverter.cpp
+8
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@@ -30,6 +30,14 @@ namespace MobileGL {
// degrade to an open strip, which only misses the closing segment.
MGLOG_W("GL_LINE_LOOP without index rewrite; drawing as LINE_STRIP");
return VK_PRIMITIVE_TOPOLOGY_LINE_STRIP;
case GL_LINES_ADJACENCY:
return VK_PRIMITIVE_TOPOLOGY_LINE_LIST_WITH_ADJACENCY;
case GL_LINE_STRIP_ADJACENCY:
return VK_PRIMITIVE_TOPOLOGY_LINE_STRIP_WITH_ADJACENCY;
case GL_TRIANGLES_ADJACENCY:
return VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST_WITH_ADJACENCY;
case GL_TRIANGLE_STRIP_ADJACENCY:
return VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP_WITH_ADJACENCY;
default:
MGLOG_W("Unrecognized primitive topology");
return VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;