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author | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-05-30 06:53:26 +0200 |
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committer | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-07-23 03:51:36 +0200 |
commit | e35ffbbeb0f85f676416fcb8f0bb0207671f379d (patch) | |
tree | d33fca2f27f8c680c43dfb34da8abd738b0a5705 /src/shader_recompiler/backend | |
parent | glsl: Implement VOTE (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/shader_recompiler/backend/glsl/emit_context.cpp | 12 | ||||
-rw-r--r-- | src/shader_recompiler/backend/glsl/emit_glsl_warp.cpp | 43 |
2 files changed, 36 insertions, 19 deletions
diff --git a/src/shader_recompiler/backend/glsl/emit_context.cpp b/src/shader_recompiler/backend/glsl/emit_context.cpp index 5456d4e5b..c6325e55f 100644 --- a/src/shader_recompiler/backend/glsl/emit_context.cpp +++ b/src/shader_recompiler/backend/glsl/emit_context.cpp @@ -122,9 +122,11 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile void EmitContext::SetupExtensions(std::string&) { header += "#extension GL_ARB_separate_shader_objects : enable\n"; - header += "#extension GL_ARB_sparse_texture2 : enable\n"; - header += "#extension GL_EXT_texture_shadow_lod : enable\n"; - // header += "#extension GL_ARB_texture_cube_map_array : enable\n"; + if (stage != Stage::Compute) { + // TODO: track this usage + header += "#extension GL_ARB_sparse_texture2 : enable\n"; + header += "#extension GL_EXT_texture_shadow_lod : enable\n"; + } if (info.uses_int64) { header += "#extension GL_ARB_gpu_shader_int64 : enable\n"; } @@ -149,6 +151,10 @@ void EmitContext::SetupExtensions(std::string&) { info.uses_subgroup_shuffles || info.uses_fswzadd) { header += "#extension GL_ARB_shader_ballot : enable\n"; header += "#extension GL_ARB_shader_group_vote : enable\n"; + header += "#extension GL_KHR_shader_subgroup_basic : enable\n"; + if (!info.uses_int64) { + header += "#extension GL_ARB_gpu_shader_int64 : enable\n"; + } } } diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_warp.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_warp.cpp index e462c977c..8a018acb5 100644 --- a/src/shader_recompiler/backend/glsl/emit_glsl_warp.cpp +++ b/src/shader_recompiler/backend/glsl/emit_glsl_warp.cpp @@ -42,31 +42,42 @@ void EmitLaneId([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& in } void EmitVoteAll(EmitContext& ctx, IR::Inst& inst, std::string_view pred) { - ctx.AddU1("{}=allInvocationsEqualARB({});", inst, pred); - // TODO: - // if (ctx.profile.warp_size_potentially_larger_than_guest) { - // } + 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_SubgroupInvocationID]")}; + const auto ballot{fmt::format("uvec2(ballotARB({}))[gl_SubgroupInvocationID]", pred)}; + ctx.AddU1("{}=({}&{})=={};", inst, ballot, active_mask, active_mask); + } } void EmitVoteAny(EmitContext& ctx, IR::Inst& inst, std::string_view pred) { - ctx.AddU1("{}=anyInvocationARB({});", inst, pred); - // TODO: - // if (ctx.profile.warp_size_potentially_larger_than_guest) { - // } + 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_SubgroupInvocationID]")}; + const auto ballot{fmt::format("uvec2(ballotARB({}))[gl_SubgroupInvocationID]", pred)}; + ctx.AddU1("{}=({}&{})!=0u;", inst, ballot, active_mask, active_mask); + } } void EmitVoteEqual(EmitContext& ctx, IR::Inst& inst, std::string_view pred) { - ctx.AddU1("{}=allInvocationsEqualARB({});", inst, pred); - // TODO: - // if (ctx.profile.warp_size_potentially_larger_than_guest) { - // } + 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_SubgroupInvocationID]")}; + const auto ballot{fmt::format("uvec2(ballotARB({}))[gl_SubgroupInvocationID]", pred)}; + 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) { - ctx.AddU32("{}=uvec2(ballotARB({})).x;", inst, pred); - // TODO: - // if (ctx.profile.warp_size_potentially_larger_than_guest) { - // } + if (!ctx.profile.warp_size_potentially_larger_than_guest) { + ctx.AddU32("{}=uvec2(ballotARB({})).x;", inst, pred); + } else { + ctx.AddU32("{}=uvec2(ballotARB({}))[gl_SubgroupInvocationID];", inst, pred); + } } void EmitSubgroupEqMask(EmitContext& ctx, IR::Inst& inst) { |