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GL: Fix fallback when glDrawRangeElementsBaseVertex is absent

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wheremyfoodat 2024-10-23 22:21:33 +03:00
parent 7b1afc849e
commit 66940cab38
3 changed files with 8 additions and 10 deletions
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6
include/PICA/pica_simd.hpp
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@ -255,18 +255,18 @@ namespace PICA::IndexBuffer {
// So we need to subtract the base vertex index from every index in the index buffer ourselves
// This is not really common, so we do it without SIMD for the moment, just to be able to run on Android Studio
template <bool useShortIndices>
void subtractBaseIndex(u8* indexBuffer, u32 vertexCount, u16 baseIndex) {
void subtractBaseIndex(u8* indexBuffer, u32 indexCount, u16 baseIndex) {
// Calculate the minimum and maximum indices used in the index buffer, so we'll only upload them
if constexpr (useShortIndices) {
u16* indexBuffer16 = reinterpret_cast<u16*>(indexBuffer);
for (u32 i = 0; i < vertexCount; i++) {
for (u32 i = 0; i < indexCount; i++) {
indexBuffer16[i] -= baseIndex;
}
} else {
u8 baseIndex8 = u8(baseIndex);
for (u32 i = 0; i < vertexCount; i++) {
for (u32 i = 0; i < indexCount; i++) {
indexBuffer[i] -= baseIndex8;
}
}