diff --git a/src/video_core/buffer_cache/buffer_cache.h b/src/video_core/buffer_cache/buffer_cache.h
index 6eb6724759..2e616cee4d 100644
--- a/src/video_core/buffer_cache/buffer_cache.h
+++ b/src/video_core/buffer_cache/buffer_cache.h
@@ -1316,12 +1316,16 @@ void BufferCache
::UpdateVertexBuffer(u32 index) {
const GPUVAddr gpu_addr_begin = array.StartAddress();
const GPUVAddr gpu_addr_end = limit.LimitAddress() + 1;
const std::optional cpu_addr = gpu_memory->GpuToCpuAddress(gpu_addr_begin);
- const u32 address_size = static_cast(gpu_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) {
+ u32 address_size = static_cast(
+ std::min(gpu_addr_end - gpu_addr_begin, static_cast(std::numeric_limits::max())));
+ if (array.enable == 0 || address_size == 0 || !cpu_addr) {
vertex_buffers[index] = NULL_BINDING;
return;
}
+ if (!gpu_memory->IsWithinGPUAddressRange(gpu_addr_end)) {
+ address_size = gpu_memory->MaxContinousRange(gpu_addr_begin, address_size);
+ }
+ const u32 size = address_size; // TODO: Analyze stride and number of vertices
vertex_buffers[index] = Binding{
.cpu_addr = *cpu_addr,
.size = size,
diff --git a/src/video_core/memory_manager.cpp b/src/video_core/memory_manager.cpp
index 4a692448ea..3cb2d9224b 100644
--- a/src/video_core/memory_manager.cpp
+++ b/src/video_core/memory_manager.cpp
@@ -193,7 +193,7 @@ void MemoryManager::Unmap(GPUVAddr gpu_addr, std::size_t size) {
}
std::optional MemoryManager::GpuToCpuAddress(GPUVAddr gpu_addr) const {
- if (gpu_addr >= address_space_size) [[unlikely]] {
+ if (!IsWithinGPUAddressRange(gpu_addr)) [[unlikely]] {
return std::nullopt;
}
if (GetEntry(gpu_addr) != EntryType::Mapped) [[unlikely]] {
diff --git a/src/video_core/memory_manager.h b/src/video_core/memory_manager.h
index 9c08edc20d..ae4fd98dfa 100644
--- a/src/video_core/memory_manager.h
+++ b/src/video_core/memory_manager.h
@@ -110,6 +110,10 @@ public:
size_t MaxContinousRange(GPUVAddr gpu_addr, size_t size) const;
+ bool IsWithinGPUAddressRange(GPUVAddr gpu_addr) const {
+ return gpu_addr < address_space_size;
+ }
+
private:
template
inline void MemoryOperation(GPUVAddr gpu_src_addr, std::size_t size, FuncMapped&& func_mapped,