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dxvk/src/dxbc/dxbc_util.cpp
Philip Rebohle eddbe73ba4
[dxbc] Fix off-by-one error for primitive vertex counts
Not sure if it's even possible to use this, but this was clearly a bug.
2022-08-09 03:19:59 +02:00

26 lines
594 B
C++

#include "dxbc_util.h"
namespace dxvk {
uint32_t primitiveVertexCount(DxbcPrimitive primitive) {
static const std::array<uint32_t, 8> s_vertexCounts = {
0, // Undefined
1, // Point
2, // Line
3, // Triangle
0, // Undefined
0, // Undefined
4, // Line with adjacency
6, // Triangle with adjacency
};
if (primitive >= DxbcPrimitive::Patch1) {
return uint32_t(primitive)
- uint32_t(DxbcPrimitive::Patch1)
+ 1u;
} else {
return s_vertexCounts.at(uint32_t(primitive));
}
}
}