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| author | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-12-05 16:58:18 -0500 |
|---|---|---|
| committer | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-12-05 18:11:19 -0500 |
| commit | 1e1f7b32341f6538fce07d0df415a4d494a2b209 (patch) | |
| tree | 4c19b5ce70e2bf75527b08966e6b2ebc8aa0b48c /src/shader_recompiler/backend/glasm/emit_glasm_special.cpp | |
| parent | f32b2bcd200097659d7c6e0dfdef1e96e3f2f69e (diff) | |
glasm: Move implemented instructions from not_implemented.cpp
Diffstat (limited to 'src/shader_recompiler/backend/glasm/emit_glasm_special.cpp')
| -rw-r--r-- | src/shader_recompiler/backend/glasm/emit_glasm_special.cpp | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_special.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_special.cpp index e69de29bb2..e7a5fb13ab 100644 --- a/src/shader_recompiler/backend/glasm/emit_glasm_special.cpp +++ b/src/shader_recompiler/backend/glasm/emit_glasm_special.cpp @@ -0,0 +1,95 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "shader_recompiler/backend/glasm/emit_glasm_instructions.h" +#include "shader_recompiler/backend/glasm/glasm_emit_context.h" +#include "shader_recompiler/frontend/ir/value.h" + +namespace Shader::Backend::GLASM { + +static void DefinePhi(EmitContext& ctx, IR::Inst& phi) { + switch (phi.Type()) { + case IR::Type::U1: + case IR::Type::U32: + case IR::Type::F32: + ctx.reg_alloc.Define(phi); + break; + case IR::Type::U64: + case IR::Type::F64: + ctx.reg_alloc.LongDefine(phi); + break; + default: + throw NotImplementedException("Phi node type {}", phi.Type()); + } +} + +void EmitPhi(EmitContext& ctx, IR::Inst& phi) { + const size_t num_args{phi.NumArgs()}; + for (size_t i = 0; i < num_args; ++i) { + ctx.reg_alloc.Consume(phi.Arg(i)); + } + if (!phi.Definition<Id>().is_valid) { + // The phi node wasn't forward defined + DefinePhi(ctx, phi); + } +} + +void EmitVoid(EmitContext&) {} + +void EmitReference(EmitContext& ctx, const IR::Value& value) { + ctx.reg_alloc.Consume(value); +} + +void EmitPhiMove(EmitContext& ctx, const IR::Value& phi_value, const IR::Value& value) { + IR::Inst& phi{RegAlloc::AliasInst(*phi_value.Inst())}; + if (!phi.Definition<Id>().is_valid) { + // The phi node wasn't forward defined + DefinePhi(ctx, phi); + } + const Register phi_reg{ctx.reg_alloc.Consume(IR::Value{&phi})}; + const Value eval_value{ctx.reg_alloc.Consume(value)}; + + if (phi_reg == eval_value) { + return; + } + switch (phi.Flags<IR::Type>()) { + case IR::Type::U1: + case IR::Type::U32: + case IR::Type::F32: + ctx.Add("MOV.S {}.x,{};", phi_reg, ScalarS32{eval_value}); + break; + case IR::Type::U64: + case IR::Type::F64: + ctx.Add("MOV.U64 {}.x,{};", phi_reg, ScalarRegister{eval_value}); + break; + default: + throw NotImplementedException("Phi node type {}", phi.Type()); + } +} + +void EmitPrologue(EmitContext&) { + // TODO +} + +void EmitEpilogue(EmitContext&) { + // TODO +} + +void EmitEmitVertex(EmitContext& ctx, ScalarS32 stream) { + if (stream.type == Type::U32 && stream.imm_u32 == 0) { + ctx.Add("EMIT;"); + } else { + ctx.Add("EMITS {};", stream); + } +} + +void EmitEndPrimitive(EmitContext& ctx, const IR::Value& stream) { + if (!stream.IsImmediate()) { + LOG_WARNING(Shader_GLASM, "Stream is not immediate"); + } + ctx.reg_alloc.Consume(stream); + ctx.Add("ENDPRIM;"); +} + +} // namespace Shader::Backend::GLASM |