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glsl: use slang_generate_declaration() to consolidate some code

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This commit is contained in:
Brian Paul
2009-06-23 16:55:10 -06:00
parent 454a717d94
commit f4b1a69b7d
1 changed files with 37 additions and 31 deletions
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68
src/mesa/shader/slang/slang_codegen.c
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@@ -836,6 +836,37 @@ _slang_is_tail_return(const slang_operation *oper)
}
/**
* Generate a variable declaration opeartion.
* I.e.: generate AST code for "bool flag = false;"
*/
static void
slang_generate_declaration(slang_assemble_ctx *A,
slang_variable_scope *scope,
slang_operation *decl,
slang_type_specifier_type type,
const char *name,
GLint initValue)
{
slang_variable *var;
assert(type == SLANG_SPEC_BOOL ||
type == SLANG_SPEC_INT);
decl->type = SLANG_OPER_VARIABLE_DECL;
var = slang_variable_scope_grow(scope);
slang_fully_specified_type_construct(&var->type);
var->type.specifier.type = type;
var->a_name = slang_atom_pool_atom(A->atoms, name);
decl->a_id = var->a_name;
var->initializer = slang_operation_new(1);
slang_operation_literal_bool(var->initializer, initValue);
}
static void
slang_resolve_variable(slang_operation *oper)
{
@@ -2513,16 +2544,8 @@ _slang_gen_while_without_continue(slang_assemble_ctx *A, slang_operation *oper)
/* declare: bool _notBreakFlag = true */
{
slang_operation *condDecl = slang_oper_child(top, 0);
slang_variable *var;
condDecl->type = SLANG_OPER_VARIABLE_DECL;
var = slang_variable_scope_grow(top->locals);
slang_fully_specified_type_construct(&var->type);
var->type.specifier.type = SLANG_SPEC_BOOL;
var->a_name = slang_atom_pool_atom(A->atoms, "_notBreakFlag");
condDecl->a_id = var->a_name;
var->initializer = slang_operation_new(1);
slang_operation_literal_bool(var->initializer, GL_TRUE);
slang_generate_declaration(A, top->locals, condDecl,
SLANG_SPEC_BOOL, "_notBreakFlag", GL_TRUE);
}
/* build outer while-loop: while (_notBreakFlag && LOOPCOND) { ... } */
@@ -2703,16 +2726,8 @@ _slang_gen_do_without_continue(slang_assemble_ctx *A, slang_operation *oper)
/* declare: bool _notBreakFlag = true */
{
slang_operation *condDecl = slang_oper_child(top, 0);
slang_variable *var;
condDecl->type = SLANG_OPER_VARIABLE_DECL;
var = slang_variable_scope_grow(top->locals);
slang_fully_specified_type_construct(&var->type);
var->type.specifier.type = SLANG_SPEC_BOOL;
var->a_name = slang_atom_pool_atom(A->atoms, "_notBreakFlag");
condDecl->a_id = var->a_name;
var->initializer = slang_operation_new(1);
slang_operation_literal_bool(var->initializer, GL_TRUE);
slang_generate_declaration(A, top->locals, condDecl,
SLANG_SPEC_BOOL, "_notBreakFlag", GL_TRUE);
}
/* build outer do-loop: do { ... } while (_notBreakFlag && LOOPCOND) */
@@ -3124,17 +3139,8 @@ _slang_gen_for_without_continue(slang_assemble_ctx *A, slang_operation *oper)
/* declare: bool _condFlag = true */
{
slang_operation *condDecl;
slang_variable *var;
condDecl = slang_oper_child(top, 0);
condDecl->type = SLANG_OPER_VARIABLE_DECL;
var = slang_variable_scope_grow(top->locals);
slang_fully_specified_type_construct(&var->type);
var->type.specifier.type = SLANG_SPEC_BOOL;
var->a_name = slang_atom_pool_atom(A->atoms, "_condFlag");
condDecl->a_id = var->a_name;
var->initializer = slang_operation_new(1);
slang_operation_literal_bool(var->initializer, GL_TRUE);
slang_generate_declaration(A, top->locals, condDecl,
SLANG_SPEC_BOOL, "_condFlag", GL_TRUE);
}
/* build outer loop: for (INIT; _condFlag; ) { */