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buffer_cache: cap vertex buffer sizes

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This commit is contained in:
Liam 2022-04-14 09:57:55 -04:00
parent a24e7ba61b
commit d4571b123d
1 changed files with 14 additions and 1 deletions
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15
src/video_core/buffer_cache/buffer_cache.h
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@ -1311,7 +1311,20 @@ void BufferCache<P>::UpdateVertexBuffer(u32 index) {
const GPUVAddr gpu_addr_begin = array.StartAddress();
const GPUVAddr gpu_addr_end = limit.LimitAddress() + 1;
const std::optional<VAddr> cpu_addr = gpu_memory.GpuToCpuAddress(gpu_addr_begin);
const u32 address_size = static_cast<u32>(gpu_addr_end - gpu_addr_begin);
u32 address_size = static_cast<u32>(gpu_addr_end - gpu_addr_begin);
if (address_size >= 64_MiB) {
// Reported vertex buffer size is very large, cap to mapped buffer size
GPUVAddr submapped_addr_end = gpu_addr_begin;
const auto ranges{gpu_memory.GetSubmappedRange(gpu_addr_begin, address_size)};
if (ranges.size() > 0) {
const auto& [addr, size] = *ranges.begin();
submapped_addr_end = addr + size;
}
address_size =
std::min(address_size, static_cast<u32>(submapped_addr_end - gpu_addr_begin));
}
const u32 size = address_size; // TODO: Analyze stride and number of vertices
if (array.enable == 0 || size == 0 || !cpu_addr) {
vertex_buffers[index] = NULL_BINDING;