diff options
| -rw-r--r-- | src/shader_recompiler/backend/glsl/emit_glsl_warp.cpp | 62 |
1 files changed, 38 insertions, 24 deletions
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_warp.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_warp.cpp index a982dd8a2..ffbb83352 100644 --- a/src/shader_recompiler/backend/glsl/emit_glsl_warp.cpp +++ b/src/shader_recompiler/backend/glsl/emit_glsl_warp.cpp @@ -11,6 +11,8 @@ namespace Shader::Backend::GLSL { namespace { +constexpr char THREAD_ID[]{"gl_SubGroupInvocationARB"}; + void SetInBoundsFlag(EmitContext& ctx, IR::Inst& inst) { IR::Inst* const in_bounds{inst.GetAssociatedPseudoOperation(IR::Opcode::GetInBoundsFromOp)}; if (!in_bounds) { @@ -43,69 +45,81 @@ void UseShuffleNv(EmitContext& ctx, IR::Inst& inst, std::string_view shfl_op, ctx.AddU32("{}={}({},{},{},shfl_in_bounds);", inst, shfl_op, value, index, width); SetInBoundsFlag(ctx, inst); } + +std::string_view BallotIndex(EmitContext& ctx) { + if (!ctx.profile.warp_size_potentially_larger_than_guest) { + return ".x"; + } + return "[gl_SubGroupInvocationARB>>5]"; +} + +std::string GetMask(EmitContext& ctx, std::string_view mask) { + const auto ballot_index{BallotIndex(ctx)}; + return fmt::format("uint(uvec2({}){})", mask, ballot_index); +} } // Anonymous namespace void EmitLaneId(EmitContext& ctx, IR::Inst& inst) { - ctx.AddU32("{}=gl_SubGroupInvocationARB&31u;", inst); + ctx.AddU32("{}={}&31u;", inst, THREAD_ID); } void EmitVoteAll(EmitContext& ctx, IR::Inst& inst, std::string_view pred) { if (!ctx.profile.warp_size_potentially_larger_than_guest) { ctx.AddU1("{}=allInvocationsEqualARB({});", inst, pred); - } else { - const auto active_mask{fmt::format("uvec2(ballotARB(true))[gl_SubGroupInvocationARB]")}; - const auto ballot{fmt::format("uvec2(ballotARB({}))[gl_SubGroupInvocationARB]", pred)}; - ctx.AddU1("{}=({}&{})=={};", inst, ballot, active_mask, active_mask); + return; } + const auto ballot_index{BallotIndex(ctx)}; + const auto active_mask{fmt::format("uvec2(ballotARB(true)){}", ballot_index)}; + const auto ballot{fmt::format("uvec2(ballotARB({})){}", pred, ballot_index)}; + ctx.AddU1("{}=({}&{})=={};", inst, ballot, active_mask, active_mask); } void EmitVoteAny(EmitContext& ctx, IR::Inst& inst, std::string_view pred) { if (!ctx.profile.warp_size_potentially_larger_than_guest) { ctx.AddU1("{}=anyInvocationARB({});", inst, pred); - } else { - const auto active_mask{fmt::format("uvec2(ballotARB(true))[gl_SubGroupInvocationARB]")}; - const auto ballot{fmt::format("uvec2(ballotARB({}))[gl_SubGroupInvocationARB]", pred)}; - ctx.AddU1("{}=({}&{})!=0u;", inst, ballot, active_mask, active_mask); + return; } + const auto ballot_index{BallotIndex(ctx)}; + const auto active_mask{fmt::format("uvec2(ballotARB(true)){}", ballot_index)}; + const auto ballot{fmt::format("uvec2(ballotARB({})){}", pred, ballot_index)}; + ctx.AddU1("{}=({}&{})!=0u;", inst, ballot, active_mask, active_mask); } void EmitVoteEqual(EmitContext& ctx, IR::Inst& inst, std::string_view pred) { if (!ctx.profile.warp_size_potentially_larger_than_guest) { ctx.AddU1("{}=allInvocationsEqualARB({});", inst, pred); - } else { - const auto active_mask{fmt::format("uvec2(ballotARB(true))[gl_SubGroupInvocationARB]")}; - const auto ballot{fmt::format("uvec2(ballotARB({}))[gl_SubGroupInvocationARB]", pred)}; - const auto value{fmt::format("({}^{})", ballot, active_mask)}; - ctx.AddU1("{}=({}==0)||({}=={});", inst, value, value, active_mask); + return; } + const auto ballot_index{BallotIndex(ctx)}; + const auto active_mask{fmt::format("uvec2(ballotARB(true)){}", ballot_index)}; + const auto ballot{fmt::format("uvec2(ballotARB({})){}", pred, ballot_index)}; + const auto value{fmt::format("({}^{})", ballot, active_mask)}; + ctx.AddU1("{}=({}==0)||({}=={});", inst, value, value, active_mask); } void EmitSubgroupBallot(EmitContext& ctx, IR::Inst& inst, std::string_view pred) { - if (!ctx.profile.warp_size_potentially_larger_than_guest) { - ctx.AddU32("{}=uvec2(ballotARB({})).x;", inst, pred); - } else { - ctx.AddU32("{}=uvec2(ballotARB({}))[gl_SubGroupInvocationARB];", inst, pred); - } + const auto ballot_index{BallotIndex(ctx)}; + ctx.AddU32("{}=uvec2(ballotARB({})){};", inst, pred, ballot_index); } void EmitSubgroupEqMask(EmitContext& ctx, IR::Inst& inst) { - ctx.AddU32("{}=uint(gl_SubGroupEqMaskARB.x);", inst); + ctx.AddU32("{}={};", inst, GetMask(ctx, "gl_SubGroupEqMaskARB")); } void EmitSubgroupLtMask(EmitContext& ctx, IR::Inst& inst) { - ctx.AddU32("{}=uint(gl_SubGroupLtMaskARB.x);", inst); + ctx.AddU32("{}={};", inst, GetMask(ctx, "gl_SubGroupLtMaskARB")); } void EmitSubgroupLeMask(EmitContext& ctx, IR::Inst& inst) { - ctx.AddU32("{}=uint(gl_SubGroupLeMaskARB.x);", inst); + ctx.AddU32("{}={};", inst, GetMask(ctx, "gl_SubGroupLeMaskARB")); } void EmitSubgroupGtMask(EmitContext& ctx, IR::Inst& inst) { - ctx.AddU32("{}=uint(gl_SubGroupGtMaskARB.x);", inst); + ctx.AddU32("{}={};", inst, GetMask(ctx, "gl_SubGroupGtMaskARB")); } void EmitSubgroupGeMask(EmitContext& ctx, IR::Inst& inst) { - ctx.AddU32("{}=uint(gl_SubGroupGeMaskARB.x);", inst); + ctx.AddU32("{}={};", inst, GetMask(ctx, "gl_SubGroupGeMaskARB")); } void EmitShuffleIndex(EmitContext& ctx, IR::Inst& inst, std::string_view value, |