raphiaura/KytyPS5
1
0
Fork 0
mirror of https://github.com/KytyPS5/KytyPS5.git synced 2026-10-20 02:47:02 +02:00
Code Issues Packages Projects Releases Wiki Activity

shader: resolve GPU scalar image selectors within buffer bounds

Browse Source 
Co-authored-by: Ali Almohaya <AliAlmohaya@gmail.com>
This commit is contained in:
nmzik
2026-10-12 18:17:24 +02:00
parent df08b83287
commit 7688093ca3
3 changed files with 171 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/graphics/shader/recompiler/ir/passes/ResourceMaterialization.cpp
+16 -1
View File
@@ -394,7 +394,22 @@ bool MaterializeIndirectDescriptor(const ResourcePlan& p
keys.push_back(key);
mask &= mask - 1u;
}
} else return false;
} else {
ShaderBufferResource material;
if (!DecodeBufferDescriptor(material_value, material) || selector->stride < 4u ||
!std::has_single_bit(selector->stride) || (selector->offset & 3u) != 0u)
return false;
// Empty selector bounds denote the complete U32 congruence class. SMEM
// adds its aligned immediate after the dynamic offset, without U32 wrap.
const auto domain_count = (uint64_t {1} << 32u) / selector->stride;
const auto available = material.GetSize() > selector->offset
? material.GetSize() - selector->offset : 0u;
const auto count = std::min(domain_count,
available < 4u ? 0u : (available - 4u) / selector->stride + 1u);
if (count > MaxIndirectDescriptorProbes ||
!read_keys(material, selector->offset, selector->stride, count)) return false;
if (count < domain_count) keys.push_back(0u); // An out-of-bounds scalar read returns zero.
}
if (selector != nullptr && selector->byte_ranges.empty()) {
std::ranges::sort(keys);
keys.erase(std::unique(keys.begin(), keys.end()), keys.end());