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spirv/convert: Catch more broken signed operations on Nvidia OpenGL 

BitCast U32 to S32 before converting to float on drivers with broken
signed operations.
master
ReinUsesLisp 2021-06-11 00:18:24 +07:00 committed by ameerj
parent cd8427367e
commit 8554a644df
1 changed files with 6 additions and 0 deletions
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6
src/shader_recompiler/backend/spirv/emit_spirv_convert.cpp
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@ -205,6 +205,9 @@ Id EmitConvertF32S16(EmitContext& ctx, Id value) {
}
Id EmitConvertF32S32(EmitContext& ctx, Id value) {
if (ctx.profile.has_broken_signed_operations) {
value = ctx.OpBitcast(ctx.S32[1], value);
}
return ctx.OpConvertSToF(ctx.F32[1], value);
}
@ -237,6 +240,9 @@ Id EmitConvertF64S16(EmitContext& ctx, Id value) {
}
Id EmitConvertF64S32(EmitContext& ctx, Id value) {
if (ctx.profile.has_broken_signed_operations) {
value = ctx.OpBitcast(ctx.S32[1], value);
}
return ctx.OpConvertSToF(ctx.F64[1], value);
}