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Fix multimesh buffer overflow in RendererStorageRD

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This commit is contained in:
SeleckyErik 2021-10-31 18:48:51 +01:00
parent d6f972fad4
commit 6b04f08b28
1 changed files with 2 additions and 1 deletions
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3
servers/rendering/renderer_rd/renderer_storage_rd.cpp
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@ -4419,7 +4419,8 @@ void RendererStorageRD::_update_dirty_multimeshes() {
if (multimesh->data_cache_dirty_regions[i]) { if (multimesh->data_cache_dirty_regions[i]) {
uint32_t offset = i * region_size; uint32_t offset = i * region_size;
uint32_t size = multimesh->stride_cache * (uint32_t)multimesh->instances * (uint32_t)sizeof(float); uint32_t size = multimesh->stride_cache * (uint32_t)multimesh->instances * (uint32_t)sizeof(float);
RD::get_singleton()->buffer_update(multimesh->buffer, offset, MIN(region_size, size - offset), &data[i * region_size]); uint32_t region_start_index = multimesh->stride_cache * MULTIMESH_DIRTY_REGION_SIZE * i;
RD::get_singleton()->buffer_update(multimesh->buffer, offset, MIN(region_size, size - offset), &data[region_start_index]);
} }
} }
} }