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video_core/memory_manager: Add GPU address based flush method

Allow flushing rasterizer contents based on a GPU address.
This commit is contained in:
ReinUsesLisp 2021-01-21 19:08:15 -03:00
parent 4cd8b2f1f7
commit dd790abab0
2 changed files with 17 additions and 0 deletions

View file

@ -314,6 +314,21 @@ void MemoryManager::WriteBlockUnsafe(GPUVAddr gpu_dest_addr, const void* src_buf
}
}
void MemoryManager::FlushRegion(GPUVAddr gpu_addr, size_t size) const {
size_t remaining_size{size};
size_t page_index{gpu_addr >> page_bits};
size_t page_offset{gpu_addr & page_mask};
while (remaining_size > 0) {
const size_t num_bytes{std::min(page_size - page_offset, remaining_size)};
if (const auto page_addr{GpuToCpuAddress(page_index << page_bits)}; page_addr) {
rasterizer->FlushRegion(*page_addr + page_offset, num_bytes);
}
++page_index;
page_offset = 0;
remaining_size -= num_bytes;
}
}
void MemoryManager::CopyBlock(GPUVAddr gpu_dest_addr, GPUVAddr gpu_src_addr, std::size_t size) {
std::vector<u8> tmp_buffer(size);
ReadBlock(gpu_src_addr, tmp_buffer.data(), size);

View file

@ -131,6 +131,8 @@ private:
void TryLockPage(PageEntry page_entry, std::size_t size);
void TryUnlockPage(PageEntry page_entry, std::size_t size);
void FlushRegion(GPUVAddr gpu_addr, size_t size) const;
[[nodiscard]] static constexpr std::size_t PageEntryIndex(GPUVAddr gpu_addr) {
return (gpu_addr >> page_bits) & page_table_mask;
}