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Buffer Cache: Deduce vertex array limit from memory layout when limit is the highest possible.

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Fernando Sahmkow 2022-04-13 16:20:34 +02:00
parent 8bb604b3be
commit 770e19f51a
3 changed files with 12 additions and 4 deletions
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10
src/video_core/buffer_cache/buffer_cache.h
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@ -1316,12 +1316,16 @@ void BufferCache<P>::UpdateVertexBuffer(u32 index) {
const GPUVAddr gpu_addr_begin = array.StartAddress(); const GPUVAddr gpu_addr_begin = array.StartAddress();
const GPUVAddr gpu_addr_end = limit.LimitAddress() + 1; const GPUVAddr gpu_addr_end = limit.LimitAddress() + 1;
const std::optional<VAddr> cpu_addr = gpu_memory->GpuToCpuAddress(gpu_addr_begin); 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>(
const u32 size = address_size; // TODO: Analyze stride and number of vertices std::min(gpu_addr_end - gpu_addr_begin, static_cast<u64>(std::numeric_limits<u32>::max())));
if (array.enable == 0 || size == 0 || !cpu_addr) { if (array.enable == 0 || address_size == 0 || !cpu_addr) {
vertex_buffers[index] = NULL_BINDING; vertex_buffers[index] = NULL_BINDING;
return; 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{ vertex_buffers[index] = Binding{
.cpu_addr = *cpu_addr, .cpu_addr = *cpu_addr,
.size = size, .size = size,

2
src/video_core/memory_manager.cpp
View file

@ -193,7 +193,7 @@ void MemoryManager::Unmap(GPUVAddr gpu_addr, std::size_t size) {
} }
std::optional<VAddr> MemoryManager::GpuToCpuAddress(GPUVAddr gpu_addr) const { std::optional<VAddr> MemoryManager::GpuToCpuAddress(GPUVAddr gpu_addr) const {
if (gpu_addr >= address_space_size) [[unlikely]] { if (!IsWithinGPUAddressRange(gpu_addr)) [[unlikely]] {
return std::nullopt; return std::nullopt;
} }
if (GetEntry<true>(gpu_addr) != EntryType::Mapped) [[unlikely]] { if (GetEntry<true>(gpu_addr) != EntryType::Mapped) [[unlikely]] {

4
src/video_core/memory_manager.h
View file

@ -110,6 +110,10 @@ public:
size_t MaxContinousRange(GPUVAddr gpu_addr, size_t size) const; size_t MaxContinousRange(GPUVAddr gpu_addr, size_t size) const;
bool IsWithinGPUAddressRange(GPUVAddr gpu_addr) const {
return gpu_addr < address_space_size;
}
private: private:
template <bool is_big_pages, typename FuncMapped, typename FuncReserved, typename FuncUnmapped> template <bool is_big_pages, typename FuncMapped, typename FuncReserved, typename FuncUnmapped>
inline void MemoryOperation(GPUVAddr gpu_src_addr, std::size_t size, FuncMapped&& func_mapped, inline void MemoryOperation(GPUVAddr gpu_src_addr, std::size_t size, FuncMapped&& func_mapped,