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[Fix, Test] (MG_State, MG_Util, DirectVulkan, MG_Test): replay narrow-subgroup reductions correctly

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swung0x48
2026-08-16 13:33:01 -04:00
parent 6df5a6137f
commit 0ecfdff4e7
8 changed files with 479 additions and 36 deletions
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MobileGL/Config.h
+4 -3
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@@ -128,9 +128,10 @@ namespace MobileGL::MG_Config {
// explicitly request a core profile via EGL_CONTEXT_OPENGL_PROFILE_MASK / a >=3.1
// version request.
Bool RelaxedSemantics = false;
// MOBILEGL_QUIRK_SUBGROUP_PREFIX_SCAN: overrides the shader-source quirk that
// rewrites the recognized workgroup prefix-scan template on Qualcomm devices with
// subgroups wider than 32 lanes (see ShaderSourceProcessor's quirk registry).
// MOBILEGL_QUIRK_SUBGROUP_PREFIX_SCAN: overrides the shader-source quirk that rewrites
// recognized subgroup reductions when narrow Vulkan subgroups overflow fixed scratch
// arrays, or when Qualcomm subgroups are wider than the captured 32-lane model (see
// ShaderSourceProcessor's quirk registry).
QuirkOverride SubgroupPrefixScanQuirk = QuirkOverride::Auto;
// MOBILEGL_MAGMA_DISABLE_BLENDED_DEPTH_WRITE: overrides the DirectVulkan quirk that
// strips depth writes from accumulation-blended pipelines (MIN/MAX or additive