diff options
| author | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-05-31 00:25:54 -0400 |
|---|---|---|
| committer | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-07-22 21:51:37 -0400 |
| commit | b7561226edaefc79eadcfbd3df1b0344b7c4b673 (patch) | |
| tree | 49515563855b3585e6d23ceec7274a8e69340615 /src/shader_recompiler/backend/glsl/emit_glsl_warp.cpp | |
| parent | e10366974edd7c75111d0bef16daf941db9e9a30 (diff) | |
glsl: SHFL fix and prefer shift operations over divide in glsl shader
Diffstat (limited to 'src/shader_recompiler/backend/glsl/emit_glsl_warp.cpp')
| -rw-r--r-- | src/shader_recompiler/backend/glsl/emit_glsl_warp.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_warp.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_warp.cpp index 4286f29c75..0b6c5ad82f 100644 --- a/src/shader_recompiler/backend/glsl/emit_glsl_warp.cpp +++ b/src/shader_recompiler/backend/glsl/emit_glsl_warp.cpp @@ -112,7 +112,7 @@ void EmitShuffleIndex(EmitContext& ctx, IR::Inst& inst, std::string_view value, const auto src_thread_id{fmt::format("({})|({})", lhs, min_thread_id)}; ctx.Add("shfl_in_bounds=int({})<=int({});", src_thread_id, max_thread_id); SetInBoundsFlag(ctx, inst); - ctx.AddU32("{}=shfl_in_bounds?{}:{};", inst, value, src_thread_id); + ctx.AddU32("{}=shfl_in_bounds?readInvocationARB({},{}):{};", inst, value, src_thread_id, value); } void EmitShuffleUp(EmitContext& ctx, IR::Inst& inst, std::string_view value, std::string_view index, @@ -122,7 +122,7 @@ void EmitShuffleUp(EmitContext& ctx, IR::Inst& inst, std::string_view value, std const auto src_thread_id{fmt::format("({}-{})", thread_id, index)}; ctx.Add("shfl_in_bounds=int({})>=int({});", src_thread_id, max_thread_id); SetInBoundsFlag(ctx, inst); - ctx.AddU32("{}=shfl_in_bounds?{}:{};", inst, value, src_thread_id); + ctx.AddU32("{}=shfl_in_bounds?readInvocationARB({},{}):{};", inst, value, src_thread_id, value); } void EmitShuffleDown(EmitContext& ctx, IR::Inst& inst, std::string_view value, @@ -133,7 +133,7 @@ void EmitShuffleDown(EmitContext& ctx, IR::Inst& inst, std::string_view value, const auto src_thread_id{fmt::format("({}+{})", thread_id, index)}; ctx.Add("shfl_in_bounds=int({})<=int({});", src_thread_id, max_thread_id); SetInBoundsFlag(ctx, inst); - ctx.AddU32("{}=shfl_in_bounds?{}:{};", inst, value, src_thread_id); + ctx.AddU32("{}=shfl_in_bounds?readInvocationARB({},{}):{};", inst, value, src_thread_id, value); } void EmitShuffleButterfly(EmitContext& ctx, IR::Inst& inst, std::string_view value, @@ -144,7 +144,7 @@ void EmitShuffleButterfly(EmitContext& ctx, IR::Inst& inst, std::string_view val const auto src_thread_id{fmt::format("({}^{})", thread_id, index)}; ctx.Add("shfl_in_bounds=int({})<=int({});", src_thread_id, max_thread_id); SetInBoundsFlag(ctx, inst); - ctx.AddU32("{}=shfl_in_bounds?{}:{};", inst, value, src_thread_id); + ctx.AddU32("{}=shfl_in_bounds?readInvocationARB({},{}):{};", inst, value, src_thread_id, value); } void EmitFSwizzleAdd([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] IR::Inst& inst, |