diff options
| author | Liam <byteslice@airmail.cc> | 2022-04-14 09:57:55 -0400 |
|---|---|---|
| committer | Liam <byteslice@airmail.cc> | 2022-04-14 10:46:48 -0400 |
| commit | d4571b123d814272c4a7069cfe29ba8e957b1f10 (patch) | |
| tree | 342892cbeffbf88b46665619750b99ee09097147 /src | |
| parent | a24e7ba61b11f84ec3d6388a13101f95cecca0d3 (diff) | |
buffer_cache: cap vertex buffer sizes
Diffstat (limited to 'src')
| -rw-r--r-- | src/video_core/buffer_cache/buffer_cache.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/video_core/buffer_cache/buffer_cache.h b/src/video_core/buffer_cache/buffer_cache.h index 21bfb76a45..3f2bf6294c 100644 --- a/src/video_core/buffer_cache/buffer_cache.h +++ b/src/video_core/buffer_cache/buffer_cache.h @@ -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; |