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shader: lower complete wave minima for sparse fragment subgroups

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This commit is contained in:
nmzik
2026-10-14 18:03:48 +02:00
parent 892e70c8a1
commit 302240da70
12 changed files with 330 additions and 8 deletions
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src/graphics/shader/recompiler/ir/passes/ShaderInfoCollection.cpp
+2 -1
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@@ -514,6 +514,7 @@ void Visit(Program& program, ShaderStageInputInfo input_info, InputUsage& inputs
inst.Flags<CFG::BranchCondition>() != CFG::BranchCondition::ScalarInstruction;
break;
case ValueOpcode::Ballot: info.subgroup_ballot = true; break;
case ValueOpcode::SubgroupUMinU32: info.subgroup_arithmetic = true; break;
case ValueOpcode::DppMoveU32:
case ValueOpcode::ReadFirstLane:
case ValueOpcode::ReadLane: {
@@ -574,7 +575,7 @@ void CollectShaderInfo(Program& program, ShaderStageInputInfo input_info) {
info.live_buffers = 0;
info.has_bitwise_xor = info.uses_lds = info.uses_gds = info.uses_flattened_srt =
info.uses_dispatch_threads = info.uses_swizzle = false;
info.bvh = info.subgroup_ballot = info.subgroup_barrier = info.subgroup_shuffle =
info.bvh = info.subgroup_ballot = info.subgroup_barrier = info.subgroup_shuffle = info.subgroup_arithmetic =
info.subgroup_local_invocation_id = info.compute_derivatives = info.image_gather_extended =
info.function_lds = info.function_scratch = info.pixel_valid_mask = info.buffer_int64_atomics =
info.buffer_u8 = info.buffer_u16 = info.shared_int64_atomics = info.coherent_buffers = info.float64 = false;