From e394e1ecc4828b261ebe1eae03cadd529ec778bb Mon Sep 17 00:00:00 2001
From: ameerj <52414509+ameerj@users.noreply.github.com>
Date: Sat, 29 Jan 2022 15:49:18 -0500
Subject: emit_glsl_atomic: Implement 32x2 fallback atomic ops
---
.../backend/glsl/emit_glsl_atomic.cpp | 64 +++++++++++++++++++---
1 file changed, 55 insertions(+), 9 deletions(-)
(limited to 'src/shader_recompiler/backend/glsl/emit_glsl_atomic.cpp')
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_atomic.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_atomic.cpp
index 782e0e496b..a409a7ab37 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_atomic.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_atomic.cpp
@@ -274,47 +274,93 @@ void EmitStorageAtomicExchange64(EmitContext& ctx, IR::Inst& inst, const IR::Val
void EmitStorageAtomicIAdd32x2(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset, std::string_view value) {
- throw NotImplementedException("GLSL Instrucion");
+ LOG_WARNING(Shader_GLSL, "Int64 atomics not supported, fallback to non-atomic");
+ ctx.AddU32x2("{}=uvec2({}_ssbo{}[{}>>2],{}_ssbo{}[({}>>2)+1]);", inst, ctx.stage_name,
+ binding.U32(), ctx.var_alloc.Consume(offset), ctx.stage_name, binding.U32(),
+ ctx.var_alloc.Consume(offset));
+ ctx.Add("{}_ssbo{}[{}>>2]+={}.x;{}_ssbo{}[({}>>2)+1]+={}.y;", ctx.stage_name, binding.U32(),
+ ctx.var_alloc.Consume(offset), value, ctx.stage_name, binding.U32(),
+ ctx.var_alloc.Consume(offset), value);
}
void EmitStorageAtomicSMin32x2(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset, std::string_view value) {
- throw NotImplementedException("GLSL Instrucion");
+ LOG_WARNING(Shader_GLSL, "Int64 atomics not supported, fallback to non-atomic");
+ ctx.AddU32x2("{}=ivec2({}_ssbo{}[{}>>2],{}_ssbo{}[({}>>2)+1]);", inst, ctx.stage_name,
+ binding.U32(), ctx.var_alloc.Consume(offset), ctx.stage_name, binding.U32(),
+ ctx.var_alloc.Consume(offset));
+ ctx.Add("for(int "
+ "i=0;i<2;++i){{{}_ssbo{}[({}>>2)+i]=uint(min(int({}_ssbo{}[({}>>2)+i]),int({}[i])));}}",
+ ctx.stage_name, binding.U32(), ctx.var_alloc.Consume(offset), ctx.stage_name,
+ binding.U32(), ctx.var_alloc.Consume(offset), value);
}
void EmitStorageAtomicUMin32x2(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset, std::string_view value) {
- throw NotImplementedException("GLSL Instrucion");
+ LOG_WARNING(Shader_GLSL, "Int64 atomics not supported, fallback to non-atomic");
+ ctx.AddU32x2("{}=uvec2({}_ssbo{}[{}>>2],{}_ssbo{}[({}>>2)+1]);", inst, ctx.stage_name,
+ binding.U32(), ctx.var_alloc.Consume(offset), ctx.stage_name, binding.U32(),
+ ctx.var_alloc.Consume(offset));
+ ctx.Add("for(int i=0;i<2;++i){{ "
+ "{}_ssbo{}[({}>>2)+i]=min({}_ssbo{}[({}>>2)+i],{}[i]);}}",
+ ctx.stage_name, binding.U32(), ctx.var_alloc.Consume(offset), ctx.stage_name,
+ binding.U32(), ctx.var_alloc.Consume(offset), value);
}
void EmitStorageAtomicSMax32x2(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset, std::string_view value) {
- throw NotImplementedException("GLSL Instrucion");
+ LOG_WARNING(Shader_GLSL, "Int64 atomics not supported, fallback to non-atomic");
+ ctx.AddU32x2("{}=ivec2({}_ssbo{}[{}>>2],{}_ssbo{}[({}>>2)+1]);", inst, ctx.stage_name,
+ binding.U32(), ctx.var_alloc.Consume(offset), ctx.stage_name, binding.U32(),
+ ctx.var_alloc.Consume(offset));
+ ctx.Add("for(int "
+ "i=0;i<2;++i){{{}_ssbo{}[({}>>2)+i]=uint(max(int({}_ssbo{}[({}>>2)+i]),int({}[i])));}}",
+ ctx.stage_name, binding.U32(), ctx.var_alloc.Consume(offset), ctx.stage_name,
+ binding.U32(), ctx.var_alloc.Consume(offset), value);
}
void EmitStorageAtomicUMax32x2(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset, std::string_view value) {
- throw NotImplementedException("GLSL Instrucion");
+ LOG_WARNING(Shader_GLSL, "Int64 atomics not supported, fallback to non-atomic");
+ ctx.AddU32x2("{}=uvec2({}_ssbo{}[{}>>2],{}_ssbo{}[({}>>2)+1]);", inst, ctx.stage_name,
+ binding.U32(), ctx.var_alloc.Consume(offset), ctx.stage_name, binding.U32(),
+ ctx.var_alloc.Consume(offset));
+ ctx.Add("for(int i=0;i<2;++i){{{}_ssbo{}[({}>>2)+i]=max({}_ssbo{}[({}>>2)+i],{}[i]);}}",
+ ctx.stage_name, binding.U32(), ctx.var_alloc.Consume(offset), ctx.stage_name,
+ binding.U32(), ctx.var_alloc.Consume(offset), value);
}
void EmitStorageAtomicAnd32x2(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset, std::string_view value) {
- throw NotImplementedException("GLSL Instrucion");
+ LOG_WARNING(Shader_GLSL, "Int64 atomics not supported, fallback to 32x2");
+ ctx.AddU32x2("{}=uvec2(atomicAnd({}_ssbo{}[{}>>2],{}.x),atomicAnd({}_ssbo{}[({}>>2)+1],{}.y));",
+ inst, ctx.stage_name, binding.U32(), ctx.var_alloc.Consume(offset), value,
+ ctx.stage_name, binding.U32(), ctx.var_alloc.Consume(offset), value);
}
void EmitStorageAtomicOr32x2(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset, std::string_view value) {
- throw NotImplementedException("GLSL Instrucion");
+ LOG_WARNING(Shader_GLSL, "Int64 atomics not supported, fallback to 32x2");
+ ctx.AddU32x2("{}=uvec2(atomicOr({}_ssbo{}[{}>>2],{}.x),atomicOr({}_ssbo{}[({}>>2)+1],{}.y));",
+ inst, ctx.stage_name, binding.U32(), ctx.var_alloc.Consume(offset), value,
+ ctx.stage_name, binding.U32(), ctx.var_alloc.Consume(offset), value);
}
void EmitStorageAtomicXor32x2(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset, std::string_view value) {
- throw NotImplementedException("GLSL Instrucion");
+ LOG_WARNING(Shader_GLSL, "Int64 atomics not supported, fallback to 32x2");
+ ctx.AddU32x2("{}=uvec2(atomicXor({}_ssbo{}[{}>>2],{}.x),atomicXor({}_ssbo{}[({}>>2)+1],{}.y));",
+ inst, ctx.stage_name, binding.U32(), ctx.var_alloc.Consume(offset), value,
+ ctx.stage_name, binding.U32(), ctx.var_alloc.Consume(offset), value);
}
void EmitStorageAtomicExchange32x2(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
const IR::Value& offset, std::string_view value) {
- throw NotImplementedException("GLSL Instrucion");
+ LOG_WARNING(Shader_GLSL, "Int64 atomics not supported, fallback to 32x2");
+ ctx.AddU32x2("{}=uvec2(atomicExchange({}_ssbo{}[{}>>2],{}.x),atomicExchange({}_ssbo{}[({}>>2)+"
+ "1],{}.y));",
+ inst, ctx.stage_name, binding.U32(), ctx.var_alloc.Consume(offset), value,
+ ctx.stage_name, binding.U32(), ctx.var_alloc.Consume(offset), value);
}
void EmitStorageAtomicAddF32(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
--
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