buffer_cache: cap vertex buffer sizes
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@ -1311,7 +1311,20 @@ void BufferCache<P>::UpdateVertexBuffer(u32 index) {
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const GPUVAddr gpu_addr_begin = array.StartAddress();
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const GPUVAddr gpu_addr_end = limit.LimitAddress() + 1;
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const std::optional<VAddr> cpu_addr = gpu_memory.GpuToCpuAddress(gpu_addr_begin);
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const u32 address_size = static_cast<u32>(gpu_addr_end - gpu_addr_begin);
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u32 address_size = static_cast<u32>(gpu_addr_end - gpu_addr_begin);
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if (address_size >= 64_MiB) {
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// Reported vertex buffer size is very large, cap to mapped buffer size
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GPUVAddr submapped_addr_end = gpu_addr_begin;
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const auto ranges{gpu_memory.GetSubmappedRange(gpu_addr_begin, address_size)};
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if (ranges.size() > 0) {
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const auto& [addr, size] = *ranges.begin();
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submapped_addr_end = addr + size;
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}
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address_size =
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std::min(address_size, static_cast<u32>(submapped_addr_end - gpu_addr_begin));
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}
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const u32 size = address_size; // TODO: Analyze stride and number of vertices
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if (array.enable == 0 || size == 0 || !cpu_addr) {
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vertex_buffers[index] = NULL_BINDING;
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