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author | ReinUsesLisp <reinuseslisp@airmail.cc> | 2021-05-23 09:12:08 +0200 |
---|---|---|
committer | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-07-23 03:51:29 +0200 |
commit | 33bebc34127305e107d54e0bdd0a6806676abf2f (patch) | |
tree | f83852123a3ecd40822623bebc91bf74fcbfd4d1 /src/shader_recompiler/backend/spirv | |
parent | spirv: Implement int8 and int16 conversion fallbacks (diff) | |
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Diffstat (limited to 'src/shader_recompiler/backend/spirv')
-rw-r--r-- | src/shader_recompiler/backend/spirv/emit_spirv_integer.cpp | 38 |
1 files changed, 34 insertions, 4 deletions
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_integer.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_integer.cpp index cd5b1f42c..86e6a4f3b 100644 --- a/src/shader_recompiler/backend/spirv/emit_spirv_integer.cpp +++ b/src/shader_recompiler/backend/spirv/emit_spirv_integer.cpp @@ -171,7 +171,13 @@ Id EmitFindUMsb32(EmitContext& ctx, Id value) { } Id EmitSMin32(EmitContext& ctx, Id a, Id b) { - return ctx.OpSMin(ctx.U32[1], a, b); + const bool is_broken{ctx.profile.has_broken_signed_operations}; + if (is_broken) { + a = ctx.OpBitcast(ctx.S32[1], a); + b = ctx.OpBitcast(ctx.S32[1], b); + } + const Id result{ctx.OpSMin(ctx.U32[1], a, b)}; + return is_broken ? ctx.OpBitcast(ctx.U32[1], result) : result; } Id EmitUMin32(EmitContext& ctx, Id a, Id b) { @@ -179,7 +185,13 @@ Id EmitUMin32(EmitContext& ctx, Id a, Id b) { } Id EmitSMax32(EmitContext& ctx, Id a, Id b) { - return ctx.OpSMax(ctx.U32[1], a, b); + const bool is_broken{ctx.profile.has_broken_signed_operations}; + if (is_broken) { + a = ctx.OpBitcast(ctx.S32[1], a); + b = ctx.OpBitcast(ctx.S32[1], b); + } + const Id result{ctx.OpSMax(ctx.U32[1], a, b)}; + return is_broken ? ctx.OpBitcast(ctx.U32[1], result) : result; } Id EmitUMax32(EmitContext& ctx, Id a, Id b) { @@ -187,14 +199,32 @@ Id EmitUMax32(EmitContext& ctx, Id a, Id b) { } Id EmitSClamp32(EmitContext& ctx, IR::Inst* inst, Id value, Id min, Id max) { - const Id result{ctx.OpSClamp(ctx.U32[1], value, min, max)}; + Id result{}; + if (ctx.profile.has_broken_signed_operations || ctx.profile.has_broken_spirv_clamp) { + value = ctx.OpBitcast(ctx.S32[1], value); + min = ctx.OpBitcast(ctx.S32[1], min); + max = ctx.OpBitcast(ctx.S32[1], max); + if (ctx.profile.has_broken_spirv_clamp) { + result = ctx.OpSMax(ctx.S32[1], ctx.OpSMin(ctx.S32[1], value, max), min); + } else { + result = ctx.OpSClamp(ctx.S32[1], value, min, max); + } + result = ctx.OpBitcast(ctx.U32[1], result); + } else { + result = ctx.OpSClamp(ctx.U32[1], value, min, max); + } SetZeroFlag(ctx, inst, result); SetSignFlag(ctx, inst, result); return result; } Id EmitUClamp32(EmitContext& ctx, IR::Inst* inst, Id value, Id min, Id max) { - const Id result{ctx.OpUClamp(ctx.U32[1], value, min, max)}; + Id result{}; + if (ctx.profile.has_broken_spirv_clamp) { + result = ctx.OpUMax(ctx.U32[1], ctx.OpUMin(ctx.U32[1], value, max), min); + } else { + result = ctx.OpUClamp(ctx.U32[1], value, min, max); + } SetZeroFlag(ctx, inst, result); SetSignFlag(ctx, inst, result); return result; |