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//

// binding.c

//

#include <stdlib.h>

#include <stdio.h>

#include "slglobals.h"

///////////////////////////////////////////////////////////////////////////////////////////////

///////////////////////// Connector and Parameter Binding Functions: //////////////////////////

///////////////////////////////////////////////////////////////////////////////////////////////

/*

* lInitBinding()

*

*/

static void lInitBinding(Binding *fBind)

{

fBind->none.properties = 0;

fBind->none.gname = 0;

fBind->none.lname = 0;

fBind->none.base = 0;

fBind->none.size = 0;

fBind->none.kind = BK_NONE;

} // lInitBinding

/*

* NewBinding()

*

*/

Binding *NewBinding(int gname, int sname)

{

Binding *lBind;

lBind = (Binding *) malloc(sizeof(Binding));

lInitBinding(lBind);

lBind->none.gname = gname;

lBind->none.lname = sname;

return lBind;

} // NewBinding

/*

* NewConstDefaultBinding()

*

*/

Binding *NewConstDefaultBinding(int gname, int sname, int count, int rname, int regno,

float *fval)

{

Binding *lBind;

int ii;

lBind = NewBinding(gname, sname);

lBind->constdef.kind = BK_CONSTANT;

lBind->constdef.size = count;

lBind->constdef.rname = rname;

lBind->constdef.regno = regno;

for (ii = 0; ii < count; ii++)

lBind->constdef.val[ii] = fval[ii];

return lBind;

} // NewConstDefaultBinding

/*

* NewBindingTree()

*

*/

BindingTree *NewBindingTree(SourceLoc *loc)

{

BindingTree *lTree;

lTree = (BindingTree *) malloc(sizeof(BindingTree));

lInitBinding(&lTree->binding);

lTree->nextc = NULL;

lTree->nextm = NULL;

lTree->loc = *loc;

lTree->loc.line = 0;

return lTree;

} // NewBindingTree

/*

* NewConnectorBindingTree()

*

*/

BindingTree *NewConnectorBindingTree(SourceLoc *loc, int cname, int mname, int rname)

{

BindingTree *lTree;

BindingConnector *lBind;

lTree = NewBindingTree(loc);

lBind = &lTree->binding.conn;

lBind->gname = cname;

lBind->lname = mname;

lBind->kind = BK_CONNECTOR;

lBind->rname = rname;

lBind->regno = 0;

return lTree;

} // NewConnectorBindingTree

/*

* NewRegArrayBindingTree()

*

*/

BindingTree *NewRegArrayBindingTree(SourceLoc *loc, int pname, int aname, int rname, int regno,

int count)

{

BindingTree *lTree;

BindingRegArray *lBind;

lTree = NewBindingTree(loc);

lBind = &lTree->binding.reg;

lBind->gname = pname;

lBind->lname = aname;

lBind->kind = BK_REGARRAY;

lBind->rname = rname;

lBind->regno = regno;

lBind->count = count;

return lTree;

} // NewRegArrayBindingTree

/*

* NewTexunitBindingTree()

*

*/

BindingTree *NewTexunitBindingTree(SourceLoc *loc, int pname, int aname, int unitno)

{

BindingTree *lTree;

BindingTexunit *lBind;

lTree = NewBindingTree(loc);

lBind = &lTree->binding.texunit;

lBind->gname = pname;

lBind->lname = aname;

lBind->kind = BK_TEXUNIT;

lBind->unitno = unitno;

return lTree;

} // NewTexunitBindingTree

/*

* NewConstDefaultBindingTree()

*

*/

BindingTree *NewConstDefaultBindingTree(SourceLoc *loc, int kind, int pname, int aname,

int count, float *fval)

{

BindingTree *lTree;

BindingConstDefault *lBind;

int ii;

if (count > 4)

count = 4;

lTree = NewBindingTree(loc);

lBind = &lTree->binding.constdef;

lBind->gname = pname;

lBind->lname = aname;

lBind->kind = kind;

lBind->size = count;

lBind->rname = 0;

lBind->regno = 0;

for (ii = 0; ii < count; ii++)

lBind->val[ii] = fval[ii];

return lTree;

} // NewConstDefaultBindingTree

/*

* LookupBinding()

*

*/

BindingTree *LookupBinding(int gname, int lname)

{

BindingTree *lTree;

lTree = Cg->bindings;

while (lTree) {

if (lTree->binding.none.gname == gname) {

do {

if (lTree->binding.none.lname == lname) {

return lTree;

} else {

lTree = lTree->nextm;

}

} while (lTree);

return NULL;

}

lTree = lTree->nextc;

}

return NULL;

} // LookupBinding

/*

* AddBinding()

*

*/

void AddBinding(BindingTree *fTree)

{

BindingTree *lTree;

lTree = Cg->bindings;

while (lTree) {

if (lTree->binding.none.gname == fTree->binding.none.gname)

break;

lTree = lTree->nextc;

}

if (lTree) {

fTree->nextm = lTree->nextm;

lTree->nextm = fTree;

} else {

fTree->nextc = Cg->bindings;

Cg->bindings = fTree;

}

} // AddBinding

/*

* DefineConnectorBinding() - Define a binding between a member of a connector and a hw reg.

*

* #pragma bind <conn-id> "." <memb-id> "=" <reg-id>

*

*/

void DefineConnectorBinding(SourceLoc *loc, int cname, int mname, int rname)

{

BindingTree *lTree;

lTree = LookupBinding(cname, mname);

if (lTree) {

SemanticError(loc, ERROR_SSSD_DUPLICATE_BINDING,

GetAtomString(atable, cname), GetAtomString(atable, mname),

GetAtomString(atable, lTree->loc.file), lTree->loc.line);

return;

}

lTree = NewConnectorBindingTree(loc, cname, mname, rname);

AddBinding(lTree);

} // DefineConnectorBinding

/*

* DefineRegArrayBinding() - Define a binding between a member of a connector and a hw reg.

*

* #pragma bind <prog-id> "." <arg-id> "=" <reg-id>

*

*/

void DefineRegArrayBinding(SourceLoc *loc, int pname, int aname, int rname, int index,

int count)

{

BindingTree *lTree;

lTree = LookupBinding(pname, aname);

if (lTree) {

SemanticError(loc, ERROR_SSSD_DUPLICATE_BINDING,

GetAtomString(atable, pname), GetAtomString(atable, aname),

GetAtomString(atable, lTree->loc.file), lTree->loc.line);

return;

}

lTree = NewRegArrayBindingTree(loc, pname, aname, rname, index, count);

AddBinding(lTree);

} // DefineRegArrayBinding

/*

* DefineTexunitBinding() - Define a binding between a member of a connector and a hw reg.

*

* #pragma bind <prog-id> "." <arg-id> "=" <reg-id> <i-const> [ <i-const> ]

*

*/

void DefineTexunitBinding(SourceLoc *loc, int pname, int aname, int unitno)

{

BindingTree *lTree;

lTree = LookupBinding(pname, aname);

if (lTree) {

SemanticError(loc, ERROR_SSSD_DUPLICATE_BINDING,

GetAtomString(atable, pname), GetAtomString(atable, aname),

GetAtomString(atable, lTree->loc.file), lTree->loc.line);

return;

}

lTree = NewTexunitBindingTree(loc, pname, aname, unitno);

AddBinding(lTree);

} // DefineTexunitBinding

/*

* DefineConstantBinding() - Define a binding between a member of a connector and a hw reg.

*

* #pragma bind <prog-id> "." <arg-id> "=" "constant" <simple-float-expr>+

*

*/

void DefineConstantBinding(SourceLoc *loc, int pname, int aname, int count, float *fval)

{

BindingTree *lTree;

lTree = LookupBinding(pname, aname);

if (lTree) {

SemanticError(loc, ERROR_SSSD_DUPLICATE_BINDING,

GetAtomString(atable, pname), GetAtomString(atable, aname),

GetAtomString(atable, lTree->loc.file), lTree->loc.line);

return;

}

lTree = NewConstDefaultBindingTree(loc, BK_CONSTANT, pname, aname, count, fval);

AddBinding(lTree);

} // DefineConstantBinding

/*

* DefineDefaultBinding() - Define a binding between a member of a connector and a hw reg.

*

* #pragma bind <prog-id> "." <arg-id> "=" "default" <simple-float-expr>+

*

*/

void DefineDefaultBinding(SourceLoc *loc, int pname, int aname, int count, float *fval)

{

BindingTree *lTree;

lTree = LookupBinding(pname, aname);

if (lTree) {

SemanticError(loc, ERROR_SSSD_DUPLICATE_BINDING,

GetAtomString(atable, pname), GetAtomString(atable, aname),

GetAtomString(atable, lTree->loc.file), lTree->loc.line);

return;

}

lTree = NewConstDefaultBindingTree(loc, BK_DEFAULT, pname, aname, count, fval);

AddBinding(lTree);

} // DefineDefaultBinding

///////////////////////////////////////////////////////////////////////////////////////////////

////////////////////////////////////// Uniform Semantics: /////////////////////////////////////

///////////////////////////////////////////////////////////////////////////////////////////////

/*

* NewUniformSemantic() - Aloocate a new UniformSemantic record.

*

*/

UniformSemantic *NewUniformSemantic(int gname, int vname, int semantic)

{

UniformSemantic *lSemantic;

lSemantic = (UniformSemantic *) malloc(sizeof(UniformSemantic));

lSemantic->next = NULL;

lSemantic->gname = gname;

lSemantic->vname = vname;

lSemantic->semantic = semantic;

return lSemantic;

} // NewUniformSemantic

///////////////////////////////////////////////////////////////////////////////////////////////

/////////////////////////////////////// End of binding.c //////////////////////////////////////

///////////////////////////////////////////////////////////////////////////////////////////////