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texture_cache: Refactor scaled image size calculation
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@ -852,18 +852,23 @@ void TextureCache<P>::InvalidateScale(Image& image) {
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has_deleted_images = true;
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}
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template <class P>
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u64 TextureCache<P>::GetScaledImageSizeBytes(Image& image) {
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const f32 add_to_size = Settings::values.resolution_info.up_factor - 1.0f;
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const bool sign = std::signbit(add_to_size);
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const u32 image_size_bytes = std::max(image.guest_size_bytes, image.unswizzled_size_bytes);
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const u64 tentative_size = static_cast<u64>(image_size_bytes * std::abs(add_to_size));
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const u64 fitted_size = Common::AlignUp(tentative_size, 1024);
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return sign ? -fitted_size : fitted_size;
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}
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template <class P>
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bool TextureCache<P>::ScaleUp(Image& image) {
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const bool rescaled = image.ScaleUp();
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if (!rescaled) {
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return false;
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}
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const auto& add_to_size = Settings::values.resolution_info.up_factor - 1.0f;
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const auto sign = std::signbit(add_to_size);
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const u64 tentative_size = static_cast<u64>(
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std::max(image.guest_size_bytes, image.unswizzled_size_bytes) * std::abs(add_to_size));
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const u64 fitted_size = Common::AlignUp(tentative_size, 1024);
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total_used_memory += sign ? -fitted_size : fitted_size;
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total_used_memory += GetScaledImageSizeBytes(image);
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InvalidateScale(image);
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return true;
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}
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@ -874,12 +879,7 @@ bool TextureCache<P>::ScaleDown(Image& image) {
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if (!rescaled) {
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return false;
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}
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const auto& add_to_size = Settings::values.resolution_info.up_factor - 1.0f;
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const auto sign = std::signbit(add_to_size);
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const u64 tentative_size = static_cast<u64>(
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std::max(image.guest_size_bytes, image.unswizzled_size_bytes) * std::abs(add_to_size));
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const u64 fitted_size = Common::AlignUp(tentative_size, 1024);
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total_used_memory += sign ? fitted_size : -fitted_size;
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total_used_memory += GetScaledImageSizeBytes(image);
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InvalidateScale(image);
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return true;
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}
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@ -339,6 +339,7 @@ private:
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void InvalidateScale(Image& image);
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bool ScaleUp(Image& image);
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bool ScaleDown(Image& image);
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u64 GetScaledImageSizeBytes(Image& image);
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Runtime& runtime;
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VideoCore::RasterizerInterface& rasterizer;
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