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emit_spirv_warp: Fix ballot related ops for 64-thread warp sizes

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This commit is contained in:
ameerj 2021-08-30 20:39:21 -04:00
parent 956171f024
commit 95213270ef
1 changed files with 11 additions and 10 deletions
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21
src/shader_recompiler/backend/spirv/emit_spirv_warp.cpp
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@ -7,8 +7,13 @@
namespace Shader::Backend::SPIRV { namespace Shader::Backend::SPIRV {
namespace { namespace {
Id GetThreadId(EmitContext& ctx) {
return ctx.OpLoad(ctx.U32[1], ctx.subgroup_local_invocation_id);
}
Id WarpExtract(EmitContext& ctx, Id value) { 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); 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 } // Anonymous namespace
Id EmitLaneId(EmitContext& ctx) { Id EmitLaneId(EmitContext& ctx) {
const Id id{ctx.OpLoad(ctx.U32[1], ctx.subgroup_local_invocation_id)}; return 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) { 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 EmitShuffleIndex(EmitContext& ctx, IR::Inst* inst, Id value, Id index, Id clamp,
Id segmentation_mask) { Id segmentation_mask) {
const Id not_seg_mask{ctx.OpNot(ctx.U32[1], 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 min_thread_id{ComputeMinThreadId(ctx, thread_id, segmentation_mask)};
const Id max_thread_id{ComputeMaxThreadId(ctx, min_thread_id, clamp, not_seg_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 EmitShuffleUp(EmitContext& ctx, IR::Inst* inst, Id value, Id index, Id clamp,
Id segmentation_mask) { 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 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 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)}; 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 EmitShuffleDown(EmitContext& ctx, IR::Inst* inst, Id value, Id index, Id clamp,
Id segmentation_mask) { 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 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 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)}; 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 EmitShuffleButterfly(EmitContext& ctx, IR::Inst* inst, Id value, Id index, Id clamp,
Id segmentation_mask) { 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 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 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)}; const Id in_range{ctx.OpSLessThanEqual(ctx.U1, src_thread_id, max_thread_id)};