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Reject variables marked with attribute in the fragment shader.

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Fixes attribute.frag.
This commit is contained in:
Eric Anholt
2010-03-28 00:56:22 -07:00
committed by Ian Romanick
parent 3cb4358f38
commit 2e063f1adf
1 changed files with 14 additions and 9 deletions
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23
ast_to_hir.cpp
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@@ -867,7 +867,8 @@ type_specifier_to_glsl_type(const struct ast_type_specifier *spec,
static void
apply_type_qualifier_to_variable(const struct ast_type_qualifier *qual,
struct ir_variable *var,
struct _mesa_glsl_parse_state *state)
struct _mesa_glsl_parse_state *state,
YYLTYPE *loc)
{
if (qual->invariant)
var->invariant = 1;
@@ -880,6 +881,13 @@ apply_type_qualifier_to_variable(const struct ast_type_qualifier *qual,
if (qual->centroid)
var->centroid = 1;
if (qual->attribute && state->target == fragment_shader) {
var->type = glsl_type::error_type;
_mesa_glsl_error(loc, state,
"`attribute' variables may not be declared in the "
"fragment shader");
}
if (qual->in && qual->out)
var->mode = ir_var_inout;
else if (qual->attribute || qual->in
@@ -922,16 +930,13 @@ ast_declarator_list::hir(exec_list *instructions,
struct ast_declaration *const decl = (struct ast_declaration * )ptr;
const struct glsl_type *var_type;
struct ir_variable *var;
YYLTYPE loc = this->get_location();
/* FINISHME: Emit a warning if a variable declaration shadows a
* FINISHME: declaration at a higher scope.
*/
if ((decl_type == NULL) || decl_type->is_void()) {
YYLTYPE loc;
loc = this->get_location();
if (type_name != NULL) {
_mesa_glsl_error(& loc, state,
"invalid type `%s' in declaration of `%s'",
@@ -962,7 +967,8 @@ ast_declarator_list::hir(exec_list *instructions,
* FINISHME: in a parameter list (in and out only).
*/
apply_type_qualifier_to_variable(& this->type->qualifier, var, state);
apply_type_qualifier_to_variable(& this->type->qualifier, var, state,
& loc);
/* Attempt to add the variable to the symbol table. If this fails, it
* means the variable has already been declared at this scope.
@@ -1036,12 +1042,11 @@ ast_parameter_declarator::hir(exec_list *instructions,
{
const struct glsl_type *type;
const char *name = NULL;
YYLTYPE loc = this->get_location();
type = type_specifier_to_glsl_type(this->type->specifier, & name, state);
if (type == NULL) {
YYLTYPE loc = this->get_location();
if (name != NULL) {
_mesa_glsl_error(& loc, state,
"invalid type `%s' in declaration of `%s'",
@@ -1064,7 +1069,7 @@ ast_parameter_declarator::hir(exec_list *instructions,
/* Apply any specified qualifiers to the parameter declaration. Note that
* for function parameters the default mode is 'in'.
*/
apply_type_qualifier_to_variable(& this->type->qualifier, var, state);
apply_type_qualifier_to_variable(& this->type->qualifier, var, state, & loc);
if (var->mode == ir_var_auto)
var->mode = ir_var_in;