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[vulkan] Added primitive count calculation based on topology + patch vertices in PrimitivesSucceededStreamer

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This commit is contained in:
CamilleLaVey 2026-03-10 04:14:07 -04:00
parent 2dbca791f6
commit da30efbc55
1 changed files with 48 additions and 27 deletions
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75
src/video_core/renderer_vulkan/vk_query_cache.cpp
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@ -1068,10 +1068,52 @@ public:
u64 stride{};
DAddr dependant_address{};
Maxwell3D::Regs::PrimitiveTopology topology{Maxwell3D::Regs::PrimitiveTopology::Points};
u32 patch_vertices{1};
size_t dependant_index{};
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) {
case Maxwell3D::Regs::PrimitiveTopology::Points:
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 / 4;
case Maxwell3D::Regs::PrimitiveTopology::QuadStrip:
return num_vertices >= 4 ? (num_vertices / 2) - 1 : 0;
case Maxwell3D::Regs::PrimitiveTopology::Patches:
return patch_vertices != 0 ? num_vertices / patch_vertices : 0;
case Maxwell3D::Regs::PrimitiveTopology::Polygon:
return num_vertices != 0 ? 1 : 0;
default:
return num_vertices;
}
}
class PrimitivesSucceededStreamer : public VideoCommon::SimpleStreamer<PrimitivesQueryBase> {
public:
explicit PrimitivesSucceededStreamer(size_t id_, QueryCacheRuntime& runtime_,
@ -1100,7 +1142,10 @@ public:
const size_t subreport = static_cast<size_t>(*subreport_);
auto dependant_address_opt = tfb_streamer.GetLastQueryStream(subreport);
bool must_manage_dependance = false;
new_query->topology = tfb_streamer.GetOutputTopology();
runtime.View3DRegs([new_query, this](Maxwell3D& maxwell3d) {
new_query->topology = tfb_streamer.GetOutputTopology();
new_query->patch_vertices = std::max<u32>(maxwell3d.regs.patch_vertices, 1);
});
if (dependant_address_opt) {
auto [dep_address, stride] = *dependant_address_opt;
new_query->dependant_address = dep_address;
@ -1183,32 +1228,8 @@ public:
num_vertices = static_cast<u64>(result) / safe_stride;
}
}
query->value = [&]() -> u64 {
switch (query->topology) {
case Maxwell3D::Regs::PrimitiveTopology::Points:
return num_vertices;
case Maxwell3D::Regs::PrimitiveTopology::Lines:
return num_vertices / 2;
case Maxwell3D::Regs::PrimitiveTopology::LineLoop:
return (num_vertices / 2) + 1;
case Maxwell3D::Regs::PrimitiveTopology::LineStrip:
return num_vertices - 1;
case Maxwell3D::Regs::PrimitiveTopology::Patches:
case Maxwell3D::Regs::PrimitiveTopology::Triangles:
case Maxwell3D::Regs::PrimitiveTopology::TrianglesAdjacency:
return num_vertices / 3;
case Maxwell3D::Regs::PrimitiveTopology::TriangleFan:
case Maxwell3D::Regs::PrimitiveTopology::TriangleStrip:
case Maxwell3D::Regs::PrimitiveTopology::TriangleStripAdjacency:
return num_vertices - 2;
case Maxwell3D::Regs::PrimitiveTopology::Quads:
return num_vertices / 4;
case Maxwell3D::Regs::PrimitiveTopology::Polygon:
return 1U;
default:
return num_vertices;
}
}();
query->value =
PrimitiveCountFromVertices(query->topology, num_vertices, query->patch_vertices);
}
}