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// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <string_view>
#include "shader_recompiler/backend/glsl/emit_context.h"
#include "shader_recompiler/backend/glsl/emit_glsl_instructions.h"
#include "shader_recompiler/frontend/ir/value.h"
#ifdef _MSC_VER
#pragma warning(disable : 4100)
#endif
namespace Shader::Backend::GLSL {
void EmitPhi(EmitContext& ctx, IR::Inst& phi) {
const size_t num_args{phi.NumArgs()};
for (size_t i = 0; i < num_args; ++i) {
ctx.var_alloc.Consume(phi.Arg(i));
}
if (!phi.Definition<Id>().is_valid) {
// The phi node wasn't forward defined
ctx.var_alloc.PhiDefine(phi, phi.Arg(0).Type());
}
}
void EmitVoid(EmitContext& ctx) {}
void EmitReference(EmitContext& ctx, const IR::Value& value) {
ctx.var_alloc.Consume(value);
}
void EmitPhiMove(EmitContext& ctx, const IR::Value& phi_value, const IR::Value& value) {
IR::Inst& phi{*phi_value.InstRecursive()};
const auto phi_type{phi.Arg(0).Type()};
if (!phi.Definition<Id>().is_valid) {
// The phi node wasn't forward defined
ctx.var_alloc.PhiDefine(phi, phi_type);
}
const auto phi_reg{ctx.var_alloc.Consume(IR::Value{&phi})};
const auto val_reg{ctx.var_alloc.Consume(value)};
if (phi_reg == val_reg) {
return;
}
ctx.Add("{}={};", phi_reg, val_reg);
}
void EmitBranch(EmitContext& ctx, std::string_view label) {
NotImplemented();
}
void EmitBranchConditional(EmitContext& ctx, std::string_view condition,
std::string_view true_label, std::string_view false_label) {
NotImplemented();
}
void EmitLoopMerge(EmitContext& ctx, std::string_view merge_label,
std::string_view continue_label) {
NotImplemented();
}
void EmitSelectionMerge(EmitContext& ctx, std::string_view merge_label) {
NotImplemented();
}
void EmitReturn(EmitContext& ctx) {
NotImplemented();
}
void EmitJoin(EmitContext& ctx) {
NotImplemented();
}
void EmitUnreachable(EmitContext& ctx) {
NotImplemented();
}
void EmitDemoteToHelperInvocation(EmitContext& ctx, std::string_view continue_label) {
ctx.Add("discard;");
}
void EmitBarrier(EmitContext& ctx) {
NotImplemented();
}
void EmitWorkgroupMemoryBarrier(EmitContext& ctx) {
NotImplemented();
}
void EmitDeviceMemoryBarrier(EmitContext& ctx) {
NotImplemented();
}
void EmitPrologue(EmitContext& ctx) {}
void EmitEpilogue(EmitContext& ctx) {}
void EmitEmitVertex(EmitContext& ctx, const IR::Value& stream) {
ctx.Add("EmitStreamVertex(int({}));", ctx.var_alloc.Consume(stream));
}
void EmitEndPrimitive(EmitContext& ctx, const IR::Value& stream) {
ctx.Add("EndStreamPrimitive(int({}));", ctx.var_alloc.Consume(stream));
}
void EmitGetRegister(EmitContext& ctx) {
NotImplemented();
}
void EmitSetRegister(EmitContext& ctx) {
NotImplemented();
}
void EmitGetPred(EmitContext& ctx) {
NotImplemented();
}
void EmitSetPred(EmitContext& ctx) {
NotImplemented();
}
void EmitSetGotoVariable(EmitContext& ctx) {
NotImplemented();
}
void EmitGetGotoVariable(EmitContext& ctx) {
NotImplemented();
}
void EmitSetIndirectBranchVariable(EmitContext& ctx) {
NotImplemented();
}
void EmitGetIndirectBranchVariable(EmitContext& ctx) {
NotImplemented();
}
void EmitGetAttributeIndexed(EmitContext& ctx, std::string_view offset, std::string_view vertex) {
NotImplemented();
}
void EmitSetAttributeIndexed(EmitContext& ctx, std::string_view offset, std::string_view value,
std::string_view vertex) {
NotImplemented();
}
void EmitSetSampleMask(EmitContext& ctx, std::string_view value) {
NotImplemented();
}
void EmitSetFragDepth(EmitContext& ctx, std::string_view value) {
ctx.Add("gl_FragDepth={};", value);
}
void EmitGetZFlag(EmitContext& ctx) {
NotImplemented();
}
void EmitGetSFlag(EmitContext& ctx) {
NotImplemented();
}
void EmitGetCFlag(EmitContext& ctx) {
NotImplemented();
}
void EmitGetOFlag(EmitContext& ctx) {
NotImplemented();
}
void EmitSetZFlag(EmitContext& ctx) {
NotImplemented();
}
void EmitSetSFlag(EmitContext& ctx) {
NotImplemented();
}
void EmitSetCFlag(EmitContext& ctx) {
NotImplemented();
}
void EmitSetOFlag(EmitContext& ctx) {
NotImplemented();
}
void EmitWorkgroupId(EmitContext& ctx, IR::Inst& inst) {
ctx.AddU32x3("{}=gl_WorkGroupID;", inst);
}
void EmitInvocationId(EmitContext& ctx, IR::Inst& inst) {
ctx.AddU32("{}=uint(gl_InvocationID);", inst);
}
void EmitSampleId(EmitContext& ctx, IR::Inst& inst) {
NotImplemented();
}
void EmitIsHelperInvocation(EmitContext& ctx, IR::Inst& inst) {
ctx.AddU1("{}=gl_HelperInvocation;", inst);
}
void EmitYDirection(EmitContext& ctx, IR::Inst& inst) {
ctx.uses_y_direction = true;
ctx.AddF32("{}=gl_FrontMaterial.ambient.a;", inst);
}
void EmitUndefU1(EmitContext& ctx, IR::Inst& inst) {
ctx.AddU1("{}=false;", inst);
}
void EmitUndefU8(EmitContext& ctx, IR::Inst& inst) {
NotImplemented();
}
void EmitUndefU16(EmitContext& ctx, IR::Inst& inst) {
NotImplemented();
}
void EmitUndefU32(EmitContext& ctx, IR::Inst& inst) {
ctx.AddU32("{}=0u;", inst);
}
void EmitUndefU64(EmitContext& ctx, IR::Inst& inst) {
NotImplemented();
}
void EmitGetZeroFromOp(EmitContext& ctx) {
NotImplemented();
}
void EmitGetSignFromOp(EmitContext& ctx) {
NotImplemented();
}
void EmitGetCarryFromOp(EmitContext& ctx) {
NotImplemented();
}
void EmitGetOverflowFromOp(EmitContext& ctx) {
NotImplemented();
}
void EmitGetSparseFromOp(EmitContext& ctx) {
NotImplemented();
}
void EmitGetInBoundsFromOp(EmitContext& ctx) {
NotImplemented();
}
} // namespace Shader::Backend::GLSL
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