From c921e496eb47de49a4d6ce62527581b966dca259 Mon Sep 17 00:00:00 2001 From: Fernando Sahmkow Date: Fri, 3 Jan 2020 16:16:29 -0400 Subject: GPU: Implement guest driver profile and deduce texture handler sizes. --- src/video_core/guest_driver.cpp | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 src/video_core/guest_driver.cpp (limited to 'src/video_core/guest_driver.cpp') diff --git a/src/video_core/guest_driver.cpp b/src/video_core/guest_driver.cpp new file mode 100644 index 000000000..b1ac254ff --- /dev/null +++ b/src/video_core/guest_driver.cpp @@ -0,0 +1,34 @@ +// Copyright 2019 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "video_core/guest_driver.h" + +namespace VideoCore { + +void GuestDriverProfile::DeduceTextureHandlerSize(std::vector&& bound_offsets) { + if (texture_handler_size_deduced) { + return; + } + std::size_t size = bound_offsets.size(); + if (size < 2) { + return; + } + std::sort(bound_offsets.begin(), bound_offsets.end(), + [](const u32& a, const u32& b) { return a < b; }); + u32 min_val = 0xFFFFFFFF; // set to highest possible 32 bit integer; + for (std::size_t i = 1; i < size; i++) { + if (bound_offsets[i] == bound_offsets[i - 1]) { + continue; + } + const u32 new_min = bound_offsets[i] - bound_offsets[i - 1]; + min_val = std::min(min_val, new_min); + } + if (min_val > 2) { + return; + } + texture_handler_size_deduced = true; + texture_handler_size = sizeof(u32) * min_val; +} + +} // namespace VideoCore -- cgit v1.2.3