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Add support for forward function declarations.

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This commit is contained in:
Michal Krol 2006-02-15 11:15:16 +00:00
parent 88d994c3b2
commit dd02edf381
7 changed files with 380 additions and 298 deletions
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456
src/mesa/shader/slang/slang_assemble.c
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@ -268,22 +268,36 @@ slang_function *_slang_locate_function (slang_function_scope *funcs, slang_atom
/* _slang_assemble_function() */
int _slang_assemble_function (slang_assembly_file *file, slang_function *fun,
slang_assembly_name_space *space, slang_machine *mach, slang_atom_pool *atoms)
int _slang_assemble_function (slang_assemble_ctx *A, slang_function *fun)
{
unsigned int param_size, local_size;
unsigned int skip, cleanup;
slang_assembly_flow_control flow;
slang_assembly_local_info info;
slang_assembly_stack_info stk;
fun->address = file->count;
fun->address = A->file->count;
if (fun->body == NULL)
{
/* TODO: jump to the actual function body */
/* jump to the actual function body - we do not know it, so add the instruction
* to fixup table */
fun->fixups.table = (GLuint *) slang_alloc_realloc (fun->fixups.table,
fun->fixups.count * sizeof (GLuint), (fun->fixups.count + 1) * sizeof (GLuint));
if (fun->fixups.table == NULL)
return 0;
fun->fixups.table[fun->fixups.count] = fun->address;
fun->fixups.count++;
if (!PUSH (A->file, slang_asm_jump))
return 0;
return 1;
}
else
{
GLuint i;
/* resolve all fixup table entries and delete it */
for (i = 0; i < fun->fixups.count; i++)
A->file->code[fun->fixups.table[i]].param[0] = fun->address;
slang_fixup_table_free (&fun->fixups);
}
/* At this point traverse function formal parameters and code to calculate
* total memory size to be allocated on the stack.
@ -294,71 +308,82 @@ int _slang_assemble_function (slang_assembly_file *file, slang_function *fun,
/* calculate return value size */
param_size = 0;
if (fun->header.type.specifier.type != slang_spec_void)
if (!sizeof_variable (&fun->header.type.specifier, slang_qual_none, NULL, space,
&param_size, mach, file, atoms))
if (!sizeof_variable (&fun->header.type.specifier, slang_qual_none, NULL, &A->space,
&param_size, A->mach, A->file, A->atoms))
return 0;
info.ret_size = param_size;
A->local.ret_size = param_size;
/* calculate formal parameter list size */
if (!sizeof_variables (fun->parameters, 0, fun->param_count, space, &param_size, mach, file,
atoms))
if (!sizeof_variables (fun->parameters, 0, fun->param_count, &A->space, &param_size, A->mach, A->file,
A->atoms))
return 0;
/* calculate local variables size - take into account the four-byte return address and
* temporaries for various tasks (4 for addr and 16 for swizzle temporaries).
* these include variables from the formal parameter scope and from the code */
info.addr_tmp = param_size + 4;
info.swizzle_tmp = param_size + 4 + 4;
A->local.addr_tmp = param_size + 4;
A->local.swizzle_tmp = param_size + 4 + 4;
local_size = param_size + 4 + 4 + 16;
if (!sizeof_variables (fun->parameters, fun->param_count, fun->parameters->num_variables, space,
&local_size, mach, file, atoms))
if (!sizeof_variables (fun->parameters, fun->param_count, fun->parameters->num_variables, &A->space,
&local_size, A->mach, A->file, A->atoms))
return 0;
if (!collect_locals (fun->body, space, &local_size, mach, file, atoms))
if (!collect_locals (fun->body, &A->space, &local_size, A->mach, A->file, A->atoms))
return 0;
/* allocate local variable storage */
if (!PLAB (file, slang_asm_local_alloc, local_size - param_size - 4))
if (!PLAB (A->file, slang_asm_local_alloc, local_size - param_size - 4))
return 0;
/* mark a new frame for function variable storage */
if (!PLAB (file, slang_asm_enter, local_size))
if (!PLAB (A->file, slang_asm_enter, local_size))
return 0;
/* jump directly to the actual code */
skip = file->count;
if (!push_new (file))
skip = A->file->count;
if (!push_new (A->file))
return 0;
file->code[skip].type = slang_asm_jump;
A->file->code[skip].type = slang_asm_jump;
/* all "return" statements will be directed here */
flow.function_end = file->count;
cleanup = file->count;
if (!push_new (file))
A->flow.function_end = A->file->count;
cleanup = A->file->count;
if (!push_new (A->file))
return 0;
file->code[cleanup].type = slang_asm_jump;
A->file->code[cleanup].type = slang_asm_jump;
/* execute the function body */
file->code[skip].param[0] = file->count;
if (!_slang_assemble_operation (file, fun->body, 0, &flow, space, &info, &stk, mach, atoms))
A->file->code[skip].param[0] = A->file->count;
if (!_slang_assemble_operation_ (A, fun->body, slang_ref_freelance))
return 0;
/* this is the end of the function - restore the old function frame */
file->code[cleanup].param[0] = file->count;
if (!PUSH (file, slang_asm_leave))
A->file->code[cleanup].param[0] = A->file->count;
if (!PUSH (A->file, slang_asm_leave))
return 0;
/* free local variable storage */
if (!PLAB (file, slang_asm_local_free, local_size - param_size - 4))
if (!PLAB (A->file, slang_asm_local_free, local_size - param_size - 4))
return 0;
/* return from the function */
if (!PUSH (file, slang_asm_return))
if (!PUSH (A->file, slang_asm_return))
return 0;
return 1;
}
int _slang_cleanup_stack (slang_assembly_file *file, slang_operation *op, int ref,
slang_assembly_name_space *space, slang_machine *mach, slang_atom_pool *atoms)
slang_assembly_name_space *space, struct slang_machine_ *mach, slang_atom_pool *atoms)
{
slang_assemble_ctx A;
A.file = file;
A.mach = mach;
A.atoms = atoms;
A.space = *space;
return _slang_cleanup_stack_ (&A, op);
}
int _slang_cleanup_stack_ (slang_assemble_ctx *A, slang_operation *op)
{
slang_assembly_typeinfo ti;
unsigned int size = 0;
@ -366,15 +391,15 @@ int _slang_cleanup_stack (slang_assembly_file *file, slang_operation *op, int re
/* get type info of the operation and calculate its size */
if (!slang_assembly_typeinfo_construct (&ti))
return 0;
if (!_slang_typeof_operation (op, space, &ti, atoms))
if (!_slang_typeof_operation (op, &A->space, &ti, A->atoms))
{
slang_assembly_typeinfo_destruct (&ti);
return 0;
}
if (ref)
if (A->ref == slang_ref_force)
size = 4;
else if (ti.spec.type != slang_spec_void)
if (!sizeof_variable (&ti.spec, slang_qual_none, NULL, space, &size, mach, file, atoms))
if (!sizeof_variable (&ti.spec, slang_qual_none, NULL, &A->space, &size, A->mach, A->file, A->atoms))
{
slang_assembly_typeinfo_destruct (&ti);
return 0;
@ -384,7 +409,7 @@ int _slang_cleanup_stack (slang_assembly_file *file, slang_operation *op, int re
/* if nonzero, free it from the stack */
if (size != 0)
{
if (!PLAB (file, slang_asm_local_free, size))
if (!PLAB (A->file, slang_asm_local_free, size))
return 0;
}
return 1;
@ -499,9 +524,8 @@ int _slang_dereference (slang_assembly_file *file, slang_operation *op,
return result;
}
int _slang_call_function (slang_assembly_file *file, slang_function *fun, slang_operation *params,
unsigned int param_count, int assignment, slang_assembly_name_space *space,
slang_assembly_local_info *info, slang_machine *mach, slang_atom_pool *atoms)
int _slang_assemble_function_call (slang_assemble_ctx *A, slang_function *fun,
slang_operation *params, GLuint param_count, GLboolean assignment)
{
unsigned int i;
slang_assembly_stack_info p_stk[64];
@ -515,52 +539,50 @@ int _slang_call_function (slang_assembly_file *file, slang_function *fun, slang_
{
unsigned int ret_size = 0;
if (!sizeof_variable (&fun->header.type.specifier, slang_qual_none, NULL, space,
&ret_size, mach, file, atoms))
if (!sizeof_variable (&fun->header.type.specifier, slang_qual_none, NULL, &A->space,
&ret_size, A->mach, A->file, A->atoms))
return 0;
if (!PLAB (file, slang_asm_local_alloc, ret_size))
if (!PLAB (A->file, slang_asm_local_alloc, ret_size))
return 0;
}
/* push the actual parameters on the stack */
for (i = 0; i < param_count; i++)
{
slang_assembly_flow_control flow;
if (fun->parameters->variables[i].type.qualifier == slang_qual_inout ||
fun->parameters->variables[i].type.qualifier == slang_qual_out)
{
if (!PLAB2 (file, slang_asm_local_addr, info->addr_tmp, 4))
if (!PLAB2 (A->file, slang_asm_local_addr, A->local.addr_tmp, 4))
return 0;
/* TODO: optimize the "out" parameter case */
if (!_slang_assemble_operation (file, &params[i], 1, &flow, space, info, &p_stk[i],
mach, atoms))
if (!_slang_assemble_operation_ (A, &params[i], slang_ref_force))
return 0;
if (!PUSH (file, slang_asm_addr_copy))
p_stk[i] = A->swz;
if (!PUSH (A->file, slang_asm_addr_copy))
return 0;
if (!PUSH (file, slang_asm_addr_deref))
if (!PUSH (A->file, slang_asm_addr_deref))
return 0;
if (i == 0 && assignment)
{
/* duplicate the resulting address */
if (!PLAB2 (file, slang_asm_local_addr, info->addr_tmp, 4))
if (!PLAB2 (A->file, slang_asm_local_addr, A->local.addr_tmp, 4))
return 0;
if (!PUSH (file, slang_asm_addr_deref))
if (!PUSH (A->file, slang_asm_addr_deref))
return 0;
}
if (!_slang_dereference (file, &params[i], space, info, mach, atoms))
if (!_slang_dereference (A->file, &params[i], &A->space, &A->local, A->mach, A->atoms))
return 0;
}
else
{
if (!_slang_assemble_operation (file, &params[i], 0, &flow, space, info, &p_stk[i],
mach, atoms))
if (!_slang_assemble_operation_ (A, &params[i], slang_ref_forbid))
return 0;
p_stk[i] = A->swz;
}
}
/* call the function */
if (!PLAB (file, slang_asm_call, fun->address))
if (!PLAB (A->file, slang_asm_call, fun->address))
return 0;
/* pop the parameters from the stack */
@ -573,16 +595,17 @@ int _slang_call_function (slang_assembly_file *file, slang_function *fun, slang_
{
/* for output parameter copy the contents of the formal parameter
* back to the original actual parameter */
if (!_slang_assemble_assignment (file, &params[j], space, info, &p_stk[j], mach, atoms))
A->swz = p_stk[j];
if (!_slang_assemble_assignment (A, &params[j]))
return 0;
/* pop the actual parameter's address */
if (!PLAB (file, slang_asm_local_free, 4))
if (!PLAB (A->file, slang_asm_local_free, 4))
return 0;
}
else
{
/* pop the value of the parameter */
if (!_slang_cleanup_stack (file, &params[j], 0, space, mach, atoms))
if (!_slang_cleanup_stack_ (A, &params[j]))
return 0;
}
}
@ -590,27 +613,23 @@ int _slang_call_function (slang_assembly_file *file, slang_function *fun, slang_
return 1;
}
/* TODO: migrate to full-atom version */
int call_function_name (slang_assembly_file *file, const char *name, slang_operation *params,
unsigned int param_count, int assignment, slang_assembly_name_space *space,
slang_assembly_local_info *info, slang_machine *mach, slang_atom_pool *atoms)
int _slang_assemble_function_call_name (slang_assemble_ctx *A, const char *name,
slang_operation *params, GLuint param_count, GLboolean assignment)
{
slang_atom atom;
slang_function *fun;
atom = slang_atom_pool_atom (atoms, name);
atom = slang_atom_pool_atom (A->atoms, name);
if (atom == SLANG_ATOM_NULL)
return 0;
fun = _slang_locate_function (space->funcs, atom, params, param_count, space, atoms);
fun = _slang_locate_function (A->space.funcs, atom, params, param_count, &A->space, A->atoms);
if (fun == NULL)
return 0;
return _slang_call_function (file, fun, params, param_count, assignment, space, info, mach,
atoms);
return _slang_assemble_function_call (A, fun, params, param_count, assignment);
}
static int call_function_name_dummyint (slang_assembly_file *file, const char *name,
slang_operation *params, slang_assembly_name_space *space, slang_assembly_local_info *info,
slang_machine *mach, slang_atom_pool *atoms)
static int assemble_function_call_name_dummyint (slang_assemble_ctx *A, const char *name,
slang_operation *params)
{
slang_operation p[2];
int result;
@ -619,7 +638,7 @@ static int call_function_name_dummyint (slang_assembly_file *file, const char *n
if (!slang_operation_construct (&p[1]))
return 0;
p[1].type = slang_oper_literal_int;
result = call_function_name (file, name, p, 2, 0, space, info, mach, atoms);
result = _slang_assemble_function_call_name (A, name, p, 2, GL_FALSE);
slang_operation_destruct (&p[1]);
return result;
}
@ -1001,19 +1020,40 @@ static int handle_field (slang_assembly_typeinfo *tia, slang_assembly_typeinfo *
return 1;
}
int _slang_assemble_operation (slang_assembly_file *file, slang_operation *op, int reference,
slang_assembly_flow_control *flow, slang_assembly_name_space *space,
slang_assembly_local_info *info, slang_assembly_stack_info *stk, slang_machine *mach,
slang_atom_pool *atoms)
int _slang_assemble_operation (slang_assembly_file *file, struct slang_operation_ *op, int reference,
slang_assembly_flow_control *flow, slang_assembly_name_space *space, slang_assembly_local_info *info,
slang_assembly_stack_info *stk, struct slang_machine_ *mach, slang_atom_pool *atoms)
{
slang_assemble_ctx A;
A.file = file;
A.mach = mach;
A.atoms = atoms;
A.space = *space;
A.flow = *flow;
A.local = *info;
if (!_slang_assemble_operation_ (&A, op, reference ? slang_ref_force : slang_ref_forbid))
return 0;
*stk = A.swz;
return 1;
}
int _slang_assemble_operation_ (slang_assemble_ctx *A, slang_operation *op, slang_ref_type ref)
{
unsigned int assem;
slang_assembly_stack_info swz;
stk->swizzle.num_components = 0;
assem = file->count;
if (!push_new (file))
assem = A->file->count;
if (!push_new (A->file))
return 0;
if (ref == slang_ref_freelance)
ref = slang_ref_forbid;
/* set default results */
A->ref = (ref == slang_ref_freelance) ? slang_ref_force : ref;
swz.swizzle.num_components = 0;
switch (op->type)
{
case slang_oper_block_no_new_scope:
@ -1023,13 +1063,9 @@ int _slang_assemble_operation (slang_assembly_file *file, slang_operation *op, i
for (i = 0; i < op->num_children; i++)
{
slang_assembly_stack_info stk;
if (!_slang_assemble_operation (file, &op->children[i], 0, flow, space, info, &stk,
mach, atoms))
if (!_slang_assemble_operation_ (A, &op->children[i], slang_ref_freelance))
return 0;
/* ignore the stk */
if (!_slang_cleanup_stack (file, &op->children[i], 0, space, mach, atoms))
if (!_slang_cleanup_stack_ (A, &op->children[i]))
return 0;
}
}
@ -1049,95 +1085,92 @@ int _slang_assemble_operation (slang_assembly_file *file, slang_operation *op, i
{
unsigned int i;
for (i = 0; i < op->num_children; i++)
{
slang_assembly_stack_info stk;
if (!_slang_assemble_operation (file, &op->children[i], i == 0, flow, space, info,
&stk, mach, atoms))
if (!_slang_assemble_operation_ (A, &op->children[0], slang_ref_force))
return 0;
for (i = 1; i < op->num_children; i++)
if (!_slang_assemble_operation_ (A, &op->children[i], slang_ref_forbid))
return 0;
/* __asm statement does not support any swizzles, so lets ignore stk for now */
}
if (!call_asm_instruction (file, op->a_id, atoms))
if (!call_asm_instruction (A->file, op->a_id, A->atoms))
return 0;
}
break;
case slang_oper_break:
file->code[assem].type = slang_asm_jump;
file->code[assem].param[0] = flow->loop_end;
A->file->code[assem].type = slang_asm_jump;
A->file->code[assem].param[0] = A->flow.loop_end;
break;
case slang_oper_continue:
file->code[assem].type = slang_asm_jump;
file->code[assem].param[0] = flow->loop_start;
A->file->code[assem].type = slang_asm_jump;
A->file->code[assem].param[0] = A->flow.loop_start;
break;
case slang_oper_discard:
file->code[assem].type = slang_asm_discard;
if (!PUSH (file, slang_asm_exit))
A->file->code[assem].type = slang_asm_discard;
if (!PUSH (A->file, slang_asm_exit))
return 0;
break;
case slang_oper_return:
if (info->ret_size != 0)
if (A->local.ret_size != 0)
{
slang_assembly_stack_info stk;
/* push the result's address */
if (!PLAB2 (file, slang_asm_local_addr, 0, info->ret_size))
if (!PLAB2 (A->file, slang_asm_local_addr, 0, A->local.ret_size))
return 0;
if (!_slang_assemble_operation (file, &op->children[0], 0, flow, space, info, &stk,
mach, atoms))
if (!_slang_assemble_operation_ (A, &op->children[0], slang_ref_forbid))
return 0;
/* ignore the stk from latest operation, reset swizzle to 0 for the assignment */
stk.swizzle.num_components = 0;
A->swz.swizzle.num_components = 0;
/* assign the operation to the function result (it was reserved on the stack) */
if (!_slang_assemble_assignment (file, op->children, space, info, &stk, mach, atoms))
if (!_slang_assemble_assignment (A, op->children))
return 0;
if (!PLAB (file, slang_asm_local_free, 4))
if (!PLAB (A->file, slang_asm_local_free, 4))
return 0;
}
if (!PLAB (file, slang_asm_jump, flow->function_end))
if (!PLAB (A->file, slang_asm_jump, A->flow.function_end))
return 0;
break;
case slang_oper_expression:
{
slang_assembly_stack_info stk;
assert (!reference);
if (!_slang_assemble_operation (file, op->children, 0, flow, space, info, &stk, mach, atoms))
return 0;
/* ignore the stk info */
}
if (ref == slang_ref_force)
return 0;
if (!_slang_assemble_operation_ (A, &op->children[0], ref))
return 0;
break;
case slang_oper_if:
if (!_slang_assemble_if (file, op, flow, space, info, mach, atoms))
if (!_slang_assemble_if (A->file, op, &A->flow, &A->space, &A->local, A->mach, A->atoms))
return 0;
break;
case slang_oper_while:
if (!_slang_assemble_while (file, op, flow, space, info, mach, atoms))
if (!_slang_assemble_while (A->file, op, &A->flow, &A->space, &A->local, A->mach, A->atoms))
return 0;
break;
case slang_oper_do:
if (!_slang_assemble_do (file, op, flow, space, info, mach, atoms))
if (!_slang_assemble_do (A->file, op, &A->flow, &A->space, &A->local, A->mach, A->atoms))
return 0;
break;
case slang_oper_for:
if (!_slang_assemble_for (file, op, flow, space, info, mach, atoms))
if (!_slang_assemble_for (A->file, op, &A->flow, &A->space, &A->local, A->mach, A->atoms))
return 0;
break;
case slang_oper_void:
break;
case slang_oper_literal_bool:
file->code[assem].type = slang_asm_bool_push;
file->code[assem].literal = op->literal;
if (ref == slang_ref_force)
return 0;
A->file->code[assem].type = slang_asm_bool_push;
A->file->code[assem].literal = op->literal;
A->ref = slang_ref_forbid;
break;
case slang_oper_literal_int:
file->code[assem].type = slang_asm_int_push;
file->code[assem].literal = op->literal;
if (ref == slang_ref_force)
return 0;
A->file->code[assem].type = slang_asm_int_push;
A->file->code[assem].literal = op->literal;
A->ref = slang_ref_forbid;
break;
case slang_oper_literal_float:
file->code[assem].type = slang_asm_float_push;
file->code[assem].literal = op->literal;
if (ref == slang_ref_force)
return 0;
A->file->code[assem].type = slang_asm_float_push;
A->file->code[assem].literal = op->literal;
A->ref = slang_ref_forbid;
break;
case slang_oper_identifier:
{
@ -1149,69 +1182,64 @@ int _slang_assemble_operation (slang_assembly_file *file, slang_operation *op, i
if (var == NULL)
return 0;
size = 0;
if (!sizeof_variable (&var->type.specifier, slang_qual_none, var->array_size, space,
&size, mach, file, atoms))
if (!sizeof_variable (&var->type.specifier, slang_qual_none, var->array_size, &A->space,
&size, A->mach, A->file, A->atoms))
return 0;
/* prepare stack for dereferencing */
if (!reference)
if (!PLAB2 (file, slang_asm_local_addr, info->addr_tmp, 4))
if (ref == slang_ref_forbid)
if (!PLAB2 (A->file, slang_asm_local_addr, A->local.addr_tmp, 4))
return 0;
/* push the variable's address */
if (var->global)
{
if (!PLAB (file, slang_asm_addr_push, var->address))
if (!PLAB (A->file, slang_asm_addr_push, var->address))
return 0;
}
else
{
if (!PLAB2 (file, slang_asm_local_addr, var->address, size))
if (!PLAB2 (A->file, slang_asm_local_addr, var->address, size))
return 0;
}
/* perform the dereference */
if (!reference)
if (ref == slang_ref_forbid)
{
if (!PUSH (file, slang_asm_addr_copy))
if (!PUSH (A->file, slang_asm_addr_copy))
return 0;
if (!PLAB (file, slang_asm_local_free, 4))
if (!PLAB (A->file, slang_asm_local_free, 4))
return 0;
if (!_slang_dereference (file, op, space, info, mach, atoms))
if (!_slang_dereference (A->file, op, &A->space, &A->local, A->mach, A->atoms))
return 0;
}
}
break;
case slang_oper_sequence:
{
slang_assembly_stack_info stk;
if (!_slang_assemble_operation (file, &op->children[0], 0, flow, space, info, &stk,
mach, atoms))
return 0;
/* TODO: pass-in stk to cleanup */
if (!_slang_cleanup_stack (file, &op->children[0], 0, space, mach, atoms))
return 0;
if (!_slang_assemble_operation (file, &op->children[1], 0, flow, space, info,
&stk, mach, atoms))
return 0;
/* TODO: inspect stk */
}
if (ref == slang_ref_force)
return 0;
if (!_slang_assemble_operation_ (A, &op->children[0], slang_ref_freelance))
return 0;
if (!_slang_cleanup_stack_ (A, &op->children[0]))
return 0;
if (!_slang_assemble_operation_ (A, &op->children[1], slang_ref_forbid))
return 0;
A->ref = slang_ref_forbid;
break;
case slang_oper_assign:
if (!_slang_assemble_assign (file, op, "=", reference, space, info, mach, atoms))
if (!_slang_assemble_assign (A, op, "=", ref))
return 0;
break;
case slang_oper_addassign:
if (!_slang_assemble_assign (file, op, "+=", reference, space, info, mach, atoms))
if (!_slang_assemble_assign (A, op, "+=", ref))
return 0;
break;
case slang_oper_subassign:
if (!_slang_assemble_assign (file, op, "-=", reference, space, info, mach, atoms))
if (!_slang_assemble_assign (A, op, "-=", ref))
return 0;
break;
case slang_oper_mulassign:
if (!_slang_assemble_assign (file, op, "*=", reference, space, info, mach, atoms))
if (!_slang_assemble_assign (A, op, "*=", ref))
return 0;
break;
/*case slang_oper_modassign:*/
@ -1221,111 +1249,116 @@ int _slang_assemble_operation (slang_assembly_file *file, slang_operation *op, i
/*case slang_oper_xorassign:*/
/*case slang_oper_andassign:*/
case slang_oper_divassign:
if (!_slang_assemble_assign (file, op, "/=", reference, space, info, mach, atoms))
if (!_slang_assemble_assign (A, op, "/=", ref))
return 0;
break;
case slang_oper_select:
if (!_slang_assemble_select (file, op, flow, space, info, mach, atoms))
if (!_slang_assemble_select (A->file, op, &A->flow, &A->space, &A->local, A->mach, A->atoms))
return 0;
A->ref = slang_ref_forbid;
break;
case slang_oper_logicalor:
if (!_slang_assemble_logicalor (file, op, flow, space, info, mach, atoms))
if (!_slang_assemble_logicalor (A->file, op, &A->flow, &A->space, &A->local, A->mach, A->atoms))
return 0;
A->ref = slang_ref_forbid;
break;
case slang_oper_logicaland:
if (!_slang_assemble_logicaland (file, op, flow, space, info, mach, atoms))
if (!_slang_assemble_logicaland (A->file, op, &A->flow, &A->space, &A->local, A->mach, A->atoms))
return 0;
A->ref = slang_ref_forbid;
break;
case slang_oper_logicalxor:
if (!call_function_name (file, "^^", op->children, 2, 0, space, info, mach, atoms))
if (!_slang_assemble_function_call_name (A, "^^", op->children, 2, GL_FALSE))
return 0;
A->ref = slang_ref_forbid;
break;
/*case slang_oper_bitor:*/
/*case slang_oper_bitxor:*/
/*case slang_oper_bitand:*/
case slang_oper_less:
if (!call_function_name (file, "<", op->children, 2, 0, space, info, mach, atoms))
if (!_slang_assemble_function_call_name (A, "<", op->children, 2, GL_FALSE))
return 0;
A->ref = slang_ref_forbid;
break;
case slang_oper_greater:
if (!call_function_name (file, ">", op->children, 2, 0, space, info, mach, atoms))
if (!_slang_assemble_function_call_name (A, ">", op->children, 2, GL_FALSE))
return 0;
A->ref = slang_ref_forbid;
break;
case slang_oper_lessequal:
if (!call_function_name (file, "<=", op->children, 2, 0, space, info, mach, atoms))
if (!_slang_assemble_function_call_name (A, "<=", op->children, 2, GL_FALSE))
return 0;
A->ref = slang_ref_forbid;
break;
case slang_oper_greaterequal:
if (!call_function_name (file, ">=", op->children, 2, 0, space, info, mach, atoms))
if (!_slang_assemble_function_call_name (A, ">=", op->children, 2, GL_FALSE))
return 0;
A->ref = slang_ref_forbid;
break;
/*case slang_oper_lshift:*/
/*case slang_oper_rshift:*/
case slang_oper_add:
if (!call_function_name (file, "+", op->children, 2, 0, space, info, mach, atoms))
if (!_slang_assemble_function_call_name (A, "+", op->children, 2, GL_FALSE))
return 0;
A->ref = slang_ref_forbid;
break;
case slang_oper_subtract:
if (!call_function_name (file, "-", op->children, 2, 0, space, info, mach, atoms))
if (!_slang_assemble_function_call_name (A, "-", op->children, 2, GL_FALSE))
return 0;
A->ref = slang_ref_forbid;
break;
case slang_oper_multiply:
if (!call_function_name (file, "*", op->children, 2, 0, space, info, mach, atoms))
if (!_slang_assemble_function_call_name (A, "*", op->children, 2, GL_FALSE))
return 0;
A->ref = slang_ref_forbid;
break;
/*case slang_oper_modulus:*/
case slang_oper_divide:
if (!call_function_name (file, "/", op->children, 2, 0, space, info, mach, atoms))
if (!_slang_assemble_function_call_name (A, "/", op->children, 2, GL_FALSE))
return 0;
A->ref = slang_ref_forbid;
break;
case slang_oper_equal:
{
slang_assembly_stack_info stk;
if (!_slang_assemble_operation (file, &op->children[0], 0, flow, space, info, &stk,
mach, atoms))
return 0;
if (!_slang_assemble_operation (file, &op->children[1], 0, flow, space, info, &stk,
mach, atoms))
return 0;
if (!equality (file, op->children, space, info, 1, mach, atoms))
return 0;
}
if (!_slang_assemble_operation_ (A, &op->children[0], slang_ref_forbid))
return 0;
if (!_slang_assemble_operation_ (A, &op->children[1], slang_ref_forbid))
return 0;
if (!equality (A->file, op->children, &A->space, &A->local, 1, A->mach, A->atoms))
return 0;
A->ref = slang_ref_forbid;
break;
case slang_oper_notequal:
{
slang_assembly_stack_info stk;
if (!_slang_assemble_operation (file, &op->children[0], 0, flow, space, info, &stk,
mach, atoms))
return 0;
if (!_slang_assemble_operation (file, &op->children[1], 0, flow, space, info, &stk,
mach, atoms))
return 0;
if (!equality (file, op->children, space, info, 0, mach, atoms))
return 0;
}
if (!_slang_assemble_operation_ (A, &op->children[0], slang_ref_forbid))
return 0;
if (!_slang_assemble_operation_ (A, &op->children[1], slang_ref_forbid))
return 0;
if (!equality (A->file, op->children, &A->space, &A->local, 0, A->mach, A->atoms))
return 0;
A->ref = slang_ref_forbid;
break;
case slang_oper_preincrement:
if (!_slang_assemble_assign (file, op, "++", reference, space, info, mach, atoms))
if (!_slang_assemble_assign (A, op, "++", ref))
return 0;
break;
case slang_oper_predecrement:
if (!_slang_assemble_assign (file, op, "--", reference, space, info, mach, atoms))
if (!_slang_assemble_assign (A, op, "--", ref))
return 0;
break;
case slang_oper_plus:
if (!_slang_dereference (file, op, space, info, mach, atoms))
if (!_slang_dereference (A->file, op, &A->space, &A->local, A->mach, A->atoms))
return 0;
A->ref = slang_ref_forbid;
break;
case slang_oper_minus:
if (!call_function_name (file, "-", op->children, 1, 0, space, info, mach, atoms))
if (!_slang_assemble_function_call_name (A, "-", op->children, 1, GL_FALSE))
return 0;
A->ref = slang_ref_forbid;
break;
/*case slang_oper_complement:*/
case slang_oper_not:
if (!call_function_name (file, "!", op->children, 1, 0, space, info, mach, atoms))
if (!_slang_assemble_function_call_name (A, "!", op->children, 1, GL_FALSE))
return 0;
A->ref = slang_ref_forbid;
break;
case slang_oper_subscript:
{
@ -1338,8 +1371,8 @@ int _slang_assemble_operation (slang_assembly_file *file, slang_operation *op, i
slang_assembly_typeinfo_destruct (&ti_arr);
return 0;
}
if (!handle_subscript (&ti_elem, &ti_arr, file, op, reference, flow, space, info,
mach, atoms))
if (!handle_subscript (&ti_elem, &ti_arr, A->file, op, ref != slang_ref_forbid, &A->flow, &A->space, &A->local,
A->mach, A->atoms))
{
slang_assembly_typeinfo_destruct (&ti_arr);
slang_assembly_typeinfo_destruct (&ti_elem);
@ -1353,8 +1386,8 @@ int _slang_assemble_operation (slang_assembly_file *file, slang_operation *op, i
{
slang_function *fun;
fun = _slang_locate_function (space->funcs, op->a_id, op->children, op->num_children,
space, atoms);
fun = _slang_locate_function (A->space.funcs, op->a_id, op->children, op->num_children,
&A->space, A->atoms);
if (fun == NULL)
{
/* if (!_slang_assemble_constructor (file, op, flow, space, info, mach))
@ -1362,10 +1395,10 @@ int _slang_assemble_operation (slang_assembly_file *file, slang_operation *op, i
}
else
{
if (!_slang_call_function (file, fun, op->children, op->num_children, 0, space,
info, mach, atoms))
if (!_slang_assemble_function_call (A, fun, op->children, op->num_children, GL_FALSE))
return 0;
}
A->ref = slang_ref_forbid;
}
break;
case slang_oper_field:
@ -1379,8 +1412,8 @@ int _slang_assemble_operation (slang_assembly_file *file, slang_operation *op, i
slang_assembly_typeinfo_destruct (&ti_after);
return 0;
}
if (!handle_field (&ti_after, &ti_before, file, op, reference, flow, space, info, stk,
mach, atoms))
if (!handle_field (&ti_after, &ti_before, A->file, op, ref != slang_ref_forbid, &A->flow, &A->space, &A->local, &swz,
A->mach, A->atoms))
{
slang_assembly_typeinfo_destruct (&ti_after);
slang_assembly_typeinfo_destruct (&ti_before);
@ -1391,16 +1424,21 @@ int _slang_assemble_operation (slang_assembly_file *file, slang_operation *op, i
}
break;
case slang_oper_postincrement:
if (!call_function_name_dummyint (file, "++", op->children, space, info, mach, atoms))
if (!assemble_function_call_name_dummyint (A, "++", op->children))
return 0;
A->ref = slang_ref_forbid;
break;
case slang_oper_postdecrement:
if (!call_function_name_dummyint (file, "--", op->children, space, info, mach, atoms))
if (!assemble_function_call_name_dummyint (A, "--", op->children))
return 0;
A->ref = slang_ref_forbid;
break;
default:
return 0;
}
A->swz = swz;
return 1;
}

62
src/mesa/shader/slang/slang_assemble.h
View file

@ -125,19 +125,19 @@ typedef struct slang_assembly_flow_control_
unsigned int function_end; /* for "return" statement */
} slang_assembly_flow_control;
typedef struct slang_assembly_name_space_
typedef struct slang_assembly_local_info_
{
struct slang_function_scope_ *funcs;
struct slang_struct_scope_ *structs;
struct slang_variable_scope_ *vars;
} slang_assembly_name_space;
unsigned int ret_size;
unsigned int addr_tmp;
unsigned int swizzle_tmp;
} slang_assembly_local_info;
slang_function *_slang_locate_function (slang_function_scope *funcs, slang_atom a_name,
slang_operation *params, unsigned int num_params, slang_assembly_name_space *space,
slang_atom_pool *);
int _slang_assemble_function (slang_assembly_file *, struct slang_function_ *,
slang_assembly_name_space *, struct slang_machine_ *, slang_atom_pool *);
typedef enum
{
slang_ref_force,
slang_ref_forbid,
slang_ref_freelance
} slang_ref_type;
/*
holds a complete information about vector swizzle - the <swizzle> array contains
@ -155,22 +155,48 @@ typedef struct slang_assembly_stack_info_
slang_swizzle swizzle;
} slang_assembly_stack_info;
typedef struct slang_assembly_name_space_
{
struct slang_function_scope_ *funcs;
struct slang_struct_scope_ *structs;
struct slang_variable_scope_ *vars;
} slang_assembly_name_space;
typedef struct slang_assemble_ctx_
{
slang_assembly_file *file;
struct slang_machine_ *mach;
slang_atom_pool *atoms;
slang_assembly_name_space space;
slang_assembly_flow_control flow;
slang_assembly_local_info local;
slang_ref_type ref;
slang_assembly_stack_info swz;
} slang_assemble_ctx;
slang_function *_slang_locate_function (slang_function_scope *funcs, slang_atom a_name,
slang_operation *params, unsigned int num_params, slang_assembly_name_space *space,
slang_atom_pool *);
int _slang_assemble_function (slang_assemble_ctx *, struct slang_function_ *);
int _slang_cleanup_stack (slang_assembly_file *, slang_operation *, int ref,
slang_assembly_name_space *, struct slang_machine_ *, slang_atom_pool *);
typedef struct slang_assembly_local_info_
{
unsigned int ret_size;
unsigned int addr_tmp;
unsigned int swizzle_tmp;
} slang_assembly_local_info;
int _slang_cleanup_stack_ (slang_assemble_ctx *, slang_operation *);
int _slang_dereference (slang_assembly_file *, slang_operation *, slang_assembly_name_space *,
slang_assembly_local_info *, struct slang_machine_ *, slang_atom_pool *);
int _slang_assemble_function_call (slang_assemble_ctx *, slang_function *,
slang_operation *, GLuint, GLboolean);
int _slang_assemble_function_call_name (slang_assemble_ctx *, const char *,
slang_operation *, GLuint, GLboolean);
int _slang_assemble_operation (slang_assembly_file *, struct slang_operation_ *, int reference,
slang_assembly_flow_control *, slang_assembly_name_space *, slang_assembly_local_info *,
slang_assembly_stack_info *, struct slang_machine_ *, slang_atom_pool *);
int _slang_assemble_operation_ (slang_assemble_ctx *, struct slang_operation_ *, slang_ref_type);
#ifdef __cplusplus
}

49
src/mesa/shader/slang/slang_assemble_assignment.c
View file

@ -117,9 +117,7 @@ static int assign_aggregate (slang_assembly_file *file, const slang_storage_aggr
return 1;
}
int _slang_assemble_assignment (slang_assembly_file *file, slang_operation *op,
slang_assembly_name_space *space, slang_assembly_local_info *info, slang_assembly_stack_info *stk,
struct slang_machine_ *mach, slang_atom_pool *atoms)
int _slang_assemble_assignment (slang_assemble_ctx *A, slang_operation *op)
{
slang_assembly_typeinfo ti;
int result;
@ -128,7 +126,7 @@ int _slang_assemble_assignment (slang_assembly_file *file, slang_operation *op,
if (!slang_assembly_typeinfo_construct (&ti))
return 0;
if (!_slang_typeof_operation (op, space, &ti, atoms))
if (!_slang_typeof_operation (op, &A->space, &ti, A->atoms))
{
slang_assembly_typeinfo_destruct (&ti);
return 0;
@ -139,8 +137,8 @@ int _slang_assemble_assignment (slang_assembly_file *file, slang_operation *op,
slang_assembly_typeinfo_destruct (&ti);
return 0;
}
if (!_slang_aggregate_variable (&agg, &ti.spec, NULL, space->funcs, space->structs,
space->vars, mach, file, atoms))
if (!_slang_aggregate_variable (&agg, &ti.spec, NULL, A->space.funcs, A->space.structs,
A->space.vars, A->mach, A->file, A->atoms))
{
slang_storage_aggregate_destruct (&agg);
slang_assembly_typeinfo_destruct (&ti);
@ -149,7 +147,7 @@ int _slang_assemble_assignment (slang_assembly_file *file, slang_operation *op,
index = 0;
size = _slang_sizeof_aggregate (&agg);
result = assign_aggregate (file, &agg, &index, size, info, stk);
result = assign_aggregate (A->file, &agg, &index, size, &A->local, &A->swz);
slang_storage_aggregate_destruct (&agg);
slang_assembly_typeinfo_destruct (&ti);
@ -163,48 +161,41 @@ int _slang_assemble_assignment (slang_assembly_file *file, slang_operation *op,
children
*/
int call_function_name (slang_assembly_file *file, const char *name, slang_operation *params,
unsigned int param_count, int assignment, slang_assembly_name_space *space,
slang_assembly_local_info *info, slang_machine *mach, slang_atom_pool *atoms);
int _slang_assemble_assign (slang_assembly_file *file, slang_operation *op, const char *oper,
int ref, slang_assembly_name_space *space, slang_assembly_local_info *info,
struct slang_machine_ *mach, slang_atom_pool *atoms)
int _slang_assemble_assign (slang_assemble_ctx *A, slang_operation *op, const char *oper,
slang_ref_type ref)
{
slang_assembly_stack_info l_stk, r_stk;
slang_assembly_flow_control flow;
slang_assembly_stack_info stk;
if (!ref)
if (ref == slang_ref_forbid)
{
if (!slang_assembly_file_push_label2 (file, slang_asm_local_addr, info->addr_tmp, 4))
if (!slang_assembly_file_push_label2 (A->file, slang_asm_local_addr, A->local.addr_tmp, 4))
return 0;
}
if (slang_string_compare ("=", oper) == 0)
{
if (!_slang_assemble_operation (file, &op->children[0], 1, &flow, space, info, &l_stk, mach,
atoms))
if (!_slang_assemble_operation_ (A, &op->children[0], slang_ref_force))
return 0;
if (!_slang_assemble_operation (file, &op->children[1], 0, &flow, space, info, &r_stk, mach,
atoms))
stk = A->swz;
if (!_slang_assemble_operation_ (A, &op->children[1], slang_ref_forbid))
return 0;
if (!_slang_assemble_assignment (file, op->children, space, info, &l_stk, mach, atoms))
A->swz = stk;
if (!_slang_assemble_assignment (A, op->children))
return 0;
}
else
{
if (!call_function_name (file, oper, op->children, op->num_children, 1, space, info, mach,
atoms))
if (!_slang_assemble_function_call_name (A, oper, op->children, op->num_children, GL_TRUE))
return 0;
}
if (!ref)
if (ref == slang_ref_forbid)
{
if (!slang_assembly_file_push (file, slang_asm_addr_copy))
if (!slang_assembly_file_push (A->file, slang_asm_addr_copy))
return 0;
if (!slang_assembly_file_push_label (file, slang_asm_local_free, 4))
if (!slang_assembly_file_push_label (A->file, slang_asm_local_free, 4))
return 0;
if (!_slang_dereference (file, op->children, space, info, mach, atoms))
if (!_slang_dereference (A->file, op->children, &A->space, &A->local, A->mach, A->atoms))
return 0;
}

8
src/mesa/shader/slang/slang_assemble_assignment.h
View file

@ -31,13 +31,9 @@
extern "C" {
#endif
int _slang_assemble_assignment (slang_assembly_file *, slang_operation *,
slang_assembly_name_space *, slang_assembly_local_info *, slang_assembly_stack_info *,
struct slang_machine_ *, slang_atom_pool *);
int _slang_assemble_assignment (slang_assemble_ctx *, slang_operation *);
int _slang_assemble_assign (slang_assembly_file *, slang_operation *, const char *, int ref,
slang_assembly_name_space *, slang_assembly_local_info *, struct slang_machine_ *,
slang_atom_pool *);
int _slang_assemble_assign (slang_assemble_ctx *, slang_operation *, const char *, slang_ref_type);
#ifdef __cplusplus
}

77
src/mesa/shader/slang/slang_compile.c
View file

@ -1489,8 +1489,7 @@ static int parse_function_definition (slang_parse_ctx *C, slang_output_ctx *O, s
return 1;
}
static int initialize_global (slang_assembly_file *file, slang_machine *pmach,
slang_assembly_name_space *space, slang_variable *var, slang_atom_pool *atoms)
static int initialize_global (slang_assemble_ctx *A, slang_variable *var)
{
slang_assembly_file_restore_point point;
slang_machine mach;
@ -1501,20 +1500,20 @@ static int initialize_global (slang_assembly_file *file, slang_machine *pmach,
slang_assembly_stack_info stk;
/* save the current assembly */
if (!slang_assembly_file_restore_point_save (file, &point))
if (!slang_assembly_file_restore_point_save (A->file, &point))
return 0;
/* setup the machine */
mach = *pmach;
mach.ip = file->count;
mach = *A->mach;
mach.ip = A->file->count;
/* allocate local storage for expression */
info.ret_size = 0;
info.addr_tmp = 0;
info.swizzle_tmp = 4;
if (!slang_assembly_file_push_label (file, slang_asm_local_alloc, 20))
if (!slang_assembly_file_push_label (A->file, slang_asm_local_alloc, 20))
return 0;
if (!slang_assembly_file_push_label (file, slang_asm_enter, 20))
if (!slang_assembly_file_push_label (A->file, slang_asm_enter, 20))
return 0;
/* construct the left side of assignment */
@ -1554,7 +1553,7 @@ static int initialize_global (slang_assembly_file *file, slang_machine *pmach,
op_assign.children[1] = *var->initializer;
/* insert the actual expression */
result = _slang_assemble_operation (file, &op_assign, 0, &flow, space, &info, &stk, pmach, atoms);
result = _slang_assemble_operation (A->file, &op_assign, 0, &flow, &A->space, &info, &stk, A->mach, A->atoms);
/* carefully destroy the operations */
op_assign.num_children = 0;
@ -1566,19 +1565,19 @@ static int initialize_global (slang_assembly_file *file, slang_machine *pmach,
if (!result)
return 0;
if (!slang_assembly_file_push (file, slang_asm_exit))
if (!slang_assembly_file_push (A->file, slang_asm_exit))
return 0;
/* execute the expression */
if (!_slang_execute2 (file, &mach))
if (!_slang_execute2 (A->file, &mach))
return 0;
/* restore the old assembly */
if (!slang_assembly_file_restore_point_load (file, &point))
if (!slang_assembly_file_restore_point_load (A->file, &point))
return 0;
/* now we copy the contents of the initialized variable back to the original machine */
_mesa_memcpy ((GLubyte *) pmach->mem + var->address, (GLubyte *) mach.mem + var->address,
_mesa_memcpy ((GLubyte *) A->mach->mem + var->address, (GLubyte *) mach.mem + var->address,
var->size);
return 1;
@ -1728,12 +1727,15 @@ static int parse_init_declarator (slang_parse_ctx *C, slang_output_ctx *O,
/* initialize global variable */
if (C->global_scope && var->initializer != NULL)
{
slang_assembly_name_space space;
slang_assemble_ctx A;
space.funcs = O->funs;
space.structs = O->structs;
space.vars = O->vars;
if (!initialize_global (O->assembly, O->machine, &space, var, C->atoms))
A.file = O->assembly;
A.mach = O->machine;
A.atoms = C->atoms;
A.space.funcs = O->funs;
A.space.structs = O->structs;
A.space.vars = O->vars;
if (!initialize_global (&A, var))
return 0;
}
return 1;
@ -1783,7 +1785,7 @@ static int parse_function (slang_parse_ctx *C, slang_output_ctx *O, int definiti
return 0;
}
}
/* else
else
{
if (!parse_function_prototype (C, O, &parsed_func))
{
@ -1813,45 +1815,48 @@ static int parse_function (slang_parse_ctx *C, slang_output_ctx *O, int definiti
/* return the newly parsed function */
*parsed_func_ret = &O->funs->functions[O->funs->num_functions - 1];
}
/* else
else
{
/* TODO: check function return type qualifiers and specifiers */
/* if (definition)
{
/* destroy the existing function declaration and replace it with the new one */
/* if (found_func->body != NULL)
if (definition)
{
if (found_func->body != NULL)
{
slang_info_log_error (C->L, "%s: function already has a body",
parsed_func.header.name);
slang_atom_pool_id (C->atoms, parsed_func.header.a_name));
slang_function_destruct (&parsed_func);
return 0;
}
}
/* destroy the existing function declaration and replace it with the new one,
* remember to save the fixup table */
parsed_func.fixups = found_func->fixups;
slang_fixup_table_init (&found_func->fixups);
slang_function_destruct (found_func);
*found_func = parsed_func;
}
else
{
/* another declaration of the same function prototype - ignore it */
/* slang_function_destruct (&parsed_func);
slang_function_destruct (&parsed_func);
}
/* return the found function */
/* *parsed_func_ret = found_func;
*parsed_func_ret = found_func;
}
/* assemble the parsed function */
if (definition)
{
slang_assembly_name_space space;
slang_assemble_ctx A;
space.funcs = O->funs;
space.structs = O->structs;
space.vars = O->vars;
if (!_slang_assemble_function (O->assembly, *parsed_func_ret, &space, O->machine, C->atoms))
{
const char *name = slang_atom_pool_id (C->atoms, (**parsed_func_ret).header.a_name);
A.file = O->assembly;
A.mach = O->machine;
A.atoms = C->atoms;
A.space.funcs = O->funs;
A.space.structs = O->structs;
A.space.vars = O->vars;
if (!_slang_assemble_function (&A, *parsed_func_ret))
return 0;
}
}
return 1;
}

16
src/mesa/shader/slang/slang_compile_function.c
View file

@ -34,6 +34,20 @@
#include "slang_compile_operation.h"
#include "slang_compile_function.h"
/* slang_fixup_table */
void slang_fixup_table_init (slang_fixup_table *fix)
{
fix->table = NULL;
fix->count = 0;
}
void slang_fixup_table_free (slang_fixup_table *fix)
{
slang_alloc_free (fix->table);
slang_fixup_table_init (fix);
}
/* slang_function */
int slang_function_construct (slang_function *func)
@ -56,6 +70,7 @@ int slang_function_construct (slang_function *func)
func->param_count = 0;
func->body = NULL;
func->address = ~0;
slang_fixup_table_init (&func->fixups);
return 1;
}
@ -69,6 +84,7 @@ void slang_function_destruct (slang_function *func)
slang_operation_destruct (func->body);
slang_alloc_free (func->body);
}
slang_fixup_table_free (&func->fixups);
}
/* slang_function_scope */

10
src/mesa/shader/slang/slang_compile_function.h
View file

@ -36,6 +36,15 @@ typedef enum slang_function_kind_
slang_func_operator
} slang_function_kind;
typedef struct slang_fixup_table_
{
GLuint *table;
GLuint count;
} slang_fixup_table;
void slang_fixup_table_init (slang_fixup_table *);
void slang_fixup_table_free (slang_fixup_table *);
typedef struct slang_function_
{
slang_function_kind kind;
@ -44,6 +53,7 @@ typedef struct slang_function_
unsigned int param_count;
slang_operation *body;
unsigned int address;
slang_fixup_table fixups;
} slang_function;
int slang_function_construct (slang_function *);