From 95213270efbc378561f18cc6eeb4428c2905b154 Mon Sep 17 00:00:00 2001 From: ameerj <52414509+ameerj@users.noreply.github.com> Date: Mon, 30 Aug 2021 20:39:21 -0400 Subject: emit_spirv_warp: Fix ballot related ops for 64-thread warp sizes --- .../backend/spirv/emit_spirv_warp.cpp | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) (limited to 'src/shader_recompiler/backend/spirv') diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_warp.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_warp.cpp index 78b1e1ba7..e7e7b4da1 100644 --- a/src/shader_recompiler/backend/spirv/emit_spirv_warp.cpp +++ b/src/shader_recompiler/backend/spirv/emit_spirv_warp.cpp @@ -7,8 +7,13 @@ namespace Shader::Backend::SPIRV { namespace { +Id GetThreadId(EmitContext& ctx) { + return ctx.OpLoad(ctx.U32[1], ctx.subgroup_local_invocation_id); +} + Id WarpExtract(EmitContext& ctx, Id value) { - const Id local_index{ctx.OpLoad(ctx.U32[1], ctx.subgroup_local_invocation_id)}; + const Id thread_id{GetThreadId(ctx)}; + const Id local_index{ctx.OpShiftRightArithmetic(ctx.U32[1], thread_id, ctx.Const(5U))}; return ctx.OpVectorExtractDynamic(ctx.U32[1], value, local_index); } @@ -51,11 +56,7 @@ Id SelectValue(EmitContext& ctx, Id in_range, Id value, Id src_thread_id) { } // Anonymous namespace Id EmitLaneId(EmitContext& ctx) { - const Id id{ctx.OpLoad(ctx.U32[1], ctx.subgroup_local_invocation_id)}; - if (!ctx.profile.warp_size_potentially_larger_than_guest) { - return id; - } - return ctx.OpBitwiseAnd(ctx.U32[1], id, ctx.Const(31U)); + return GetThreadId(ctx); } Id EmitVoteAll(EmitContext& ctx, Id pred) { @@ -123,7 +124,7 @@ Id EmitSubgroupGeMask(EmitContext& ctx) { Id EmitShuffleIndex(EmitContext& ctx, IR::Inst* inst, Id value, Id index, Id clamp, Id segmentation_mask) { const Id not_seg_mask{ctx.OpNot(ctx.U32[1], segmentation_mask)}; - const Id thread_id{ctx.OpLoad(ctx.U32[1], ctx.subgroup_local_invocation_id)}; + const Id thread_id{GetThreadId(ctx)}; const Id min_thread_id{ComputeMinThreadId(ctx, thread_id, segmentation_mask)}; const Id max_thread_id{ComputeMaxThreadId(ctx, min_thread_id, clamp, not_seg_mask)}; @@ -137,7 +138,7 @@ Id EmitShuffleIndex(EmitContext& ctx, IR::Inst* inst, Id value, Id index, Id cla Id EmitShuffleUp(EmitContext& ctx, IR::Inst* inst, Id value, Id index, Id clamp, Id segmentation_mask) { - const Id thread_id{ctx.OpLoad(ctx.U32[1], ctx.subgroup_local_invocation_id)}; + const Id thread_id{GetThreadId(ctx)}; const Id max_thread_id{GetMaxThreadId(ctx, thread_id, clamp, segmentation_mask)}; const Id src_thread_id{ctx.OpISub(ctx.U32[1], thread_id, index)}; const Id in_range{ctx.OpSGreaterThanEqual(ctx.U1, src_thread_id, max_thread_id)}; @@ -148,7 +149,7 @@ Id EmitShuffleUp(EmitContext& ctx, IR::Inst* inst, Id value, Id index, Id clamp, Id EmitShuffleDown(EmitContext& ctx, IR::Inst* inst, Id value, Id index, Id clamp, Id segmentation_mask) { - const Id thread_id{ctx.OpLoad(ctx.U32[1], ctx.subgroup_local_invocation_id)}; + const Id thread_id{GetThreadId(ctx)}; const Id max_thread_id{GetMaxThreadId(ctx, thread_id, clamp, segmentation_mask)}; const Id src_thread_id{ctx.OpIAdd(ctx.U32[1], thread_id, index)}; const Id in_range{ctx.OpSLessThanEqual(ctx.U1, src_thread_id, max_thread_id)}; @@ -159,7 +160,7 @@ Id EmitShuffleDown(EmitContext& ctx, IR::Inst* inst, Id value, Id index, Id clam Id EmitShuffleButterfly(EmitContext& ctx, IR::Inst* inst, Id value, Id index, Id clamp, Id segmentation_mask) { - const Id thread_id{ctx.OpLoad(ctx.U32[1], ctx.subgroup_local_invocation_id)}; + const Id thread_id{GetThreadId(ctx)}; const Id max_thread_id{GetMaxThreadId(ctx, thread_id, clamp, segmentation_mask)}; const Id src_thread_id{ctx.OpBitwiseXor(ctx.U32[1], thread_id, index)}; const Id in_range{ctx.OpSLessThanEqual(ctx.U1, src_thread_id, max_thread_id)}; -- cgit v1.2.3 From a5d9dcf3d916500a2955a655ed71e225746217bf Mon Sep 17 00:00:00 2001 From: ameerj <52414509+ameerj@users.noreply.github.com> Date: Mon, 30 Aug 2021 21:11:16 -0400 Subject: emit_spirv_warp: Fix shuffle ops for 64-thread warp sizes --- .../backend/spirv/emit_spirv_warp.cpp | 30 +++++++++++++++++++++- 1 file changed, 29 insertions(+), 1 deletion(-) (limited to 'src/shader_recompiler/backend/spirv') diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_warp.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_warp.cpp index e7e7b4da1..cef52c56e 100644 --- a/src/shader_recompiler/backend/spirv/emit_spirv_warp.cpp +++ b/src/shader_recompiler/backend/spirv/emit_spirv_warp.cpp @@ -53,10 +53,21 @@ Id SelectValue(EmitContext& ctx, Id in_range, Id value, Id src_thread_id) { return ctx.OpSelect(ctx.U32[1], in_range, ctx.OpSubgroupReadInvocationKHR(ctx.U32[1], value, src_thread_id), value); } + +Id GetUpperClamp(EmitContext& ctx, Id invocation_id, Id clamp) { + const Id thirty_two{ctx.Const(32u)}; + const Id is_upper_partition{ctx.OpSGreaterThanEqual(ctx.U1, invocation_id, thirty_two)}; + const Id upper_clamp{ctx.OpIAdd(ctx.U32[1], thirty_two, clamp)}; + return ctx.OpSelect(ctx.U32[1], is_upper_partition, upper_clamp, clamp); +} } // Anonymous namespace Id EmitLaneId(EmitContext& ctx) { - return GetThreadId(ctx); + const Id id{GetThreadId(ctx)}; + if (!ctx.profile.warp_size_potentially_larger_than_guest) { + return id; + } + return ctx.OpBitwiseAnd(ctx.U32[1], id, ctx.Const(31U)); } Id EmitVoteAll(EmitContext& ctx, Id pred) { @@ -125,6 +136,14 @@ Id EmitShuffleIndex(EmitContext& ctx, IR::Inst* inst, Id value, Id index, Id cla Id segmentation_mask) { const Id not_seg_mask{ctx.OpNot(ctx.U32[1], segmentation_mask)}; const Id thread_id{GetThreadId(ctx)}; + if (ctx.profile.warp_size_potentially_larger_than_guest) { + const Id thirty_two{ctx.Const(32u)}; + const Id is_upper_partition{ctx.OpSGreaterThanEqual(ctx.U1, thread_id, thirty_two)}; + const Id upper_index{ctx.OpIAdd(ctx.U32[1], thirty_two, index)}; + const Id upper_clamp{ctx.OpIAdd(ctx.U32[1], thirty_two, clamp)}; + index = ctx.OpSelect(ctx.U32[1], is_upper_partition, upper_index, index); + clamp = ctx.OpSelect(ctx.U32[1], is_upper_partition, upper_clamp, clamp); + } const Id min_thread_id{ComputeMinThreadId(ctx, thread_id, segmentation_mask)}; const Id max_thread_id{ComputeMaxThreadId(ctx, min_thread_id, clamp, not_seg_mask)}; @@ -139,6 +158,9 @@ Id EmitShuffleIndex(EmitContext& ctx, IR::Inst* inst, Id value, Id index, Id cla Id EmitShuffleUp(EmitContext& ctx, IR::Inst* inst, Id value, Id index, Id clamp, Id segmentation_mask) { const Id thread_id{GetThreadId(ctx)}; + if (ctx.profile.warp_size_potentially_larger_than_guest) { + clamp = GetUpperClamp(ctx, thread_id, clamp); + } const Id max_thread_id{GetMaxThreadId(ctx, thread_id, clamp, segmentation_mask)}; const Id src_thread_id{ctx.OpISub(ctx.U32[1], thread_id, index)}; const Id in_range{ctx.OpSGreaterThanEqual(ctx.U1, src_thread_id, max_thread_id)}; @@ -150,6 +172,9 @@ Id EmitShuffleUp(EmitContext& ctx, IR::Inst* inst, Id value, Id index, Id clamp, Id EmitShuffleDown(EmitContext& ctx, IR::Inst* inst, Id value, Id index, Id clamp, Id segmentation_mask) { const Id thread_id{GetThreadId(ctx)}; + if (ctx.profile.warp_size_potentially_larger_than_guest) { + clamp = GetUpperClamp(ctx, thread_id, clamp); + } const Id max_thread_id{GetMaxThreadId(ctx, thread_id, clamp, segmentation_mask)}; const Id src_thread_id{ctx.OpIAdd(ctx.U32[1], thread_id, index)}; const Id in_range{ctx.OpSLessThanEqual(ctx.U1, src_thread_id, max_thread_id)}; @@ -161,6 +186,9 @@ Id EmitShuffleDown(EmitContext& ctx, IR::Inst* inst, Id value, Id index, Id clam Id EmitShuffleButterfly(EmitContext& ctx, IR::Inst* inst, Id value, Id index, Id clamp, Id segmentation_mask) { const Id thread_id{GetThreadId(ctx)}; + if (ctx.profile.warp_size_potentially_larger_than_guest) { + clamp = GetUpperClamp(ctx, thread_id, clamp); + } const Id max_thread_id{GetMaxThreadId(ctx, thread_id, clamp, segmentation_mask)}; const Id src_thread_id{ctx.OpBitwiseXor(ctx.U32[1], thread_id, index)}; const Id in_range{ctx.OpSLessThanEqual(ctx.U1, src_thread_id, max_thread_id)}; -- cgit v1.2.3