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rsx: use coverage ratio to determine when too much data is overlapping

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kd-11 2022-01-06 22:34:28 +03:00 committed by kd-11
parent 92824b6729
commit 83026fd263
1 changed files with 28 additions and 6 deletions
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34
rpcs3/Emu/RSX/Common/texture_cache.h
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@ -1875,23 +1875,45 @@ namespace rsx
if (result_is_valid)
{
// Check for possible duplicates
usz max_safe_sections = u32{umax};
usz max_overdraw_ratio = u32{ umax };
usz max_safe_sections = u32{ umax };
switch (result.external_subresource_desc.op)
{
case deferred_request_command::atlas_gather:
max_safe_sections = 8 + 2 * attr.mipmaps; break;
max_overdraw_ratio = 150;
max_safe_sections = 8 + 2 * attr.mipmaps;
break;
case deferred_request_command::cubemap_gather:
max_safe_sections = 6 * 2 * attr.mipmaps; break;
max_overdraw_ratio = 150;
max_safe_sections = 6 * 2 * attr.mipmaps;
break;
case deferred_request_command::_3d_gather:
max_safe_sections = (attr.depth * attr.mipmaps * 150) / 100; break;
// 3D gather can have very many input sections, try to keep section count low
max_overdraw_ratio = 125;
max_safe_sections = (attr.depth * attr.mipmaps * 110) / 100;
break;
default:
break;
}
if (overlapping_fbos.size() > max_safe_sections)
{
rsx_log.error("[Performance warning] Texture gather routine encountered too many objects!");
m_rtts.check_for_duplicates(overlapping_fbos, memory_range);
// Are we really over-budget?
u32 coverage_size = 0;
for (const auto& section : overlapping_fbos)
{
const auto area = section.surface->get_native_pitch() * section.surface->get_surface_height(rsx::surface_metrics::bytes);
coverage_size += area;
}
if (const auto coverage_ratio = (coverage_size * 100ull) / memory_range.length();
coverage_ratio > max_overdraw_ratio)
{
rsx_log.error("[Performance warning] Texture gather routine encountered too many objects! Operation=%d, Mipmaps=%d, Depth=%d, Sections=%zu, Ratio=%llu%",
static_cast<int>(result.external_subresource_desc.op), attr.mipmaps, attr.depth, overlapping_fbos.size(), coverage_ratio);
m_rtts.check_for_duplicates(overlapping_fbos, memory_range);
}
}
// Optionally disallow caching if resource is being written to as it is being read from