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[vulkan] Changed perspective of use for topologies strip/fan

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This commit is contained in:
CamilleLaVey 2026-03-14 01:37:42 -04:00
parent 0dafab4053
commit a6c610cf26
1 changed files with 9 additions and 20 deletions
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29
src/video_core/renderer_vulkan/vk_query_cache.cpp
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@ -1078,10 +1078,6 @@ public:
bool dependant_manage{};
};
[[nodiscard]] constexpr u64 SaturatingSub(u64 value, u64 amount) {
return value > amount ? value - amount : 0;
}
[[nodiscard]] constexpr u64 PrimitiveCountFromVertices(
Maxwell3D::Regs::PrimitiveTopology topology, u64 num_vertices, u32 patch_vertices) {
switch (topology) {
@ -1089,31 +1085,24 @@ public:
return num_vertices;
case Maxwell3D::Regs::PrimitiveTopology::Lines:
return num_vertices / 2;
case Maxwell3D::Regs::PrimitiveTopology::LineLoop:
return num_vertices >= 2 ? num_vertices : 0;
case Maxwell3D::Regs::PrimitiveTopology::LineStrip:
return SaturatingSub(num_vertices, 1);
case Maxwell3D::Regs::PrimitiveTopology::LinesAdjacency:
return num_vertices / 4;
case Maxwell3D::Regs::PrimitiveTopology::LineStripAdjacency:
return SaturatingSub(num_vertices, 3);
case Maxwell3D::Regs::PrimitiveTopology::Triangles:
return num_vertices / 3;
case Maxwell3D::Regs::PrimitiveTopology::TrianglesAdjacency:
return num_vertices / 6;
case Maxwell3D::Regs::PrimitiveTopology::TriangleFan:
case Maxwell3D::Regs::PrimitiveTopology::TriangleStrip:
return SaturatingSub(num_vertices, 2);
case Maxwell3D::Regs::PrimitiveTopology::TriangleStripAdjacency:
return num_vertices >= 6 ? (num_vertices - 4) / 2 : 0;
case Maxwell3D::Regs::PrimitiveTopology::Quads:
return num_vertices / 6;
case Maxwell3D::Regs::PrimitiveTopology::QuadStrip:
return num_vertices / 6;
case Maxwell3D::Regs::PrimitiveTopology::Patches:
return patch_vertices != 0 ? num_vertices / patch_vertices : 0;
case Maxwell3D::Regs::PrimitiveTopology::LineLoop:
case Maxwell3D::Regs::PrimitiveTopology::LineStrip:
case Maxwell3D::Regs::PrimitiveTopology::LineStripAdjacency:
case Maxwell3D::Regs::PrimitiveTopology::TriangleFan:
case Maxwell3D::Regs::PrimitiveTopology::TriangleStrip:
case Maxwell3D::Regs::PrimitiveTopology::TriangleStripAdjacency:
case Maxwell3D::Regs::PrimitiveTopology::Quads:
case Maxwell3D::Regs::PrimitiveTopology::QuadStrip:
case Maxwell3D::Regs::PrimitiveTopology::Polygon:
return num_vertices != 0 ? 1 : 0;
return 0;
default:
return num_vertices;
}