diff options
-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 21bfb76a4..3f2bf6294 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; |