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author | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-05-25 01:33:11 +0200 |
---|---|---|
committer | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-07-23 03:51:36 +0200 |
commit | e99d01ff5308bb239aa2007ba4363d3a77f4d202 (patch) | |
tree | d01d0c54c42b15a140fa51f409d187ebe44016eb /src/shader_recompiler/backend/glsl/emit_glsl.cpp | |
parent | glsl: Wip storage atomic ops (diff) | |
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Diffstat (limited to 'src/shader_recompiler/backend/glsl/emit_glsl.cpp')
-rw-r--r-- | src/shader_recompiler/backend/glsl/emit_glsl.cpp | 48 |
1 files changed, 30 insertions, 18 deletions
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl.cpp b/src/shader_recompiler/backend/glsl/emit_glsl.cpp index e48f152d0..e5aaf81a7 100644 --- a/src/shader_recompiler/backend/glsl/emit_glsl.cpp +++ b/src/shader_recompiler/backend/glsl/emit_glsl.cpp @@ -2,6 +2,7 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. +#include <ranges> #include <string> #include <tuple> @@ -9,6 +10,7 @@ #include "shader_recompiler/backend/glsl/emit_context.h" #include "shader_recompiler/backend/glsl/emit_glsl.h" #include "shader_recompiler/backend/glsl/emit_glsl_instructions.h" +#include "shader_recompiler/frontend/ir/ir_emitter.h" #include "shader_recompiler/frontend/ir/program.h" #include "shader_recompiler/profile.h" @@ -96,6 +98,22 @@ void EmitInst(EmitContext& ctx, IR::Inst* inst) { throw LogicError("Invalid opcode {}", inst->GetOpcode()); } +void Precolor(EmitContext& ctx, const IR::Program& program) { + for (IR::Block* const block : program.blocks) { + for (IR::Inst& phi : block->Instructions() | std::views::take_while(IR::IsPhi)) { + ctx.Add("{};", ctx.reg_alloc.Define(phi, phi.Arg(0).Type())); + const size_t num_args{phi.NumArgs()}; + for (size_t i = 0; i < num_args; ++i) { + IR::IREmitter{*phi.PhiBlock(i)}.PhiMove(phi, phi.Arg(i)); + } + // Add reference to the phi node on the phi predecessor to avoid overwritting it + for (size_t i = 0; i < num_args; ++i) { + IR::IREmitter{*phi.PhiBlock(i)}.Reference(IR::Value{&phi}); + } + } + } +} + void EmitCode(EmitContext& ctx, const IR::Program& program) { for (const IR::AbstractSyntaxNode& node : program.syntax_list) { switch (node.type) { @@ -105,37 +123,31 @@ void EmitCode(EmitContext& ctx, const IR::Program& program) { } break; case IR::AbstractSyntaxNode::Type::If: - ctx.Add("if ("); + ctx.Add("if ({}){{", ctx.reg_alloc.Consume(node.data.if_node.cond)); break; case IR::AbstractSyntaxNode::Type::EndIf: - ctx.Add("){{"); - break; - case IR::AbstractSyntaxNode::Type::Loop: - ctx.Add("while ("); - break; - case IR::AbstractSyntaxNode::Type::Repeat: - if (node.data.repeat.cond.IsImmediate()) { - if (node.data.repeat.cond.U1()) { - ctx.Add("ENDREP;"); - } else { - ctx.Add("BRK;" - "ENDREP;"); - } - } + ctx.Add("}}"); break; case IR::AbstractSyntaxNode::Type::Break: if (node.data.break_node.cond.IsImmediate()) { if (node.data.break_node.cond.U1()) { ctx.Add("break;"); } + } else { + // TODO: implement this + ctx.Add("MOV.S.CC RC,{};" + "BRK (NE.x);", + 0); } break; case IR::AbstractSyntaxNode::Type::Return: case IR::AbstractSyntaxNode::Type::Unreachable: - ctx.Add("return;"); + ctx.Add("return;\n}}"); break; + case IR::AbstractSyntaxNode::Type::Loop: + case IR::AbstractSyntaxNode::Type::Repeat: default: - ctx.Add("UNAHNDLED {}", node.type); + throw NotImplementedException("{}", node.type); break; } } @@ -146,8 +158,8 @@ void EmitCode(EmitContext& ctx, const IR::Program& program) { std::string EmitGLSL(const Profile& profile, const RuntimeInfo&, IR::Program& program, Bindings& bindings) { EmitContext ctx{program, bindings, profile}; + Precolor(ctx, program); EmitCode(ctx, program); - ctx.code += "}"; return ctx.code; } |