Texture Cache: Fix calculations when scaling.

This commit is contained in:
Fernando Sahmkow 2021-10-03 22:42:29 +02:00
parent e0a3830855
commit 237a43004f

View File

@ -858,6 +858,12 @@ bool TextureCache<P>::ScaleUp(Image& image) {
if (!rescaled) {
return false;
}
const auto& add_to_size = Settings::values.resolution_info.up_factor - 1.0f;
const auto sign = std::signbit(add_to_size);
const u64 tentative_size = static_cast<u64>(
std::max(image.guest_size_bytes, image.unswizzled_size_bytes) * std::abs(add_to_size));
const u64 fitted_size = Common::AlignUp(tentative_size, 1024);
total_used_memory += sign ? -fitted_size : fitted_size;
InvalidateScale(image);
return true;
}
@ -868,6 +874,12 @@ bool TextureCache<P>::ScaleDown(Image& image) {
if (!rescaled) {
return false;
}
const auto& add_to_size = Settings::values.resolution_info.up_factor - 1.0f;
const auto sign = std::signbit(add_to_size);
const u64 tentative_size = static_cast<u64>(
std::max(image.guest_size_bytes, image.unswizzled_size_bytes) * std::abs(add_to_size));
const u64 fitted_size = Common::AlignUp(tentative_size, 1024);
total_used_memory += sign ? fitted_size : -fitted_size;
InvalidateScale(image);
return true;
}