diff options
author | Anuj Phogat <anuj.phogat@gmail.com> | 2014-09-22 15:10:28 -0700 |
---|---|---|
committer | Emil Velikov <emil.l.velikov@gmail.com> | 2014-10-29 18:11:04 +0000 |
commit | 4956788a5f40fff2ea72d0f5bd6fcdb116492896 (patch) | |
tree | 9db5d238ceabf91789256592b5854d76d653b15b /src | |
parent | bcf414c1a81de8c951a26e62cecfabb0d6658a55 (diff) |
glsl: Use signed array index in update_max_array_access()
Avoids a crash in case of negative array index is used in a
shader program.
Cc: <mesa-stable@lists.freedesktop.org>
Signed-off-by: Anuj Phogat <anuj.phogat@gmail.com>
Reviewed-by: Chris Forbes <chrisf@ijw.co.nz>
(cherry picked from commit 7a652c41b4de4bdbb954a4ebf6cdb605d197e999)
Conflicts:
src/glsl/ast_array_index.cpp
Diffstat (limited to 'src')
-rw-r--r-- | src/glsl/ast_array_index.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/glsl/ast_array_index.cpp b/src/glsl/ast_array_index.cpp index 5ca85f6ab3f..299ec9121cf 100644 --- a/src/glsl/ast_array_index.cpp +++ b/src/glsl/ast_array_index.cpp @@ -49,12 +49,12 @@ ast_array_specifier::print(void) const * loc and state to report the error. */ static void -update_max_array_access(ir_rvalue *ir, unsigned idx, YYLTYPE *loc, +update_max_array_access(ir_rvalue *ir, int idx, YYLTYPE *loc, struct _mesa_glsl_parse_state *state) { if (ir_dereference_variable *deref_var = ir->as_dereference_variable()) { ir_variable *var = deref_var->var; - if (idx > var->data.max_array_access) { + if (idx > (int)var->data.max_array_access) { var->data.max_array_access = idx; /* Check whether this access will, as a side effect, implicitly cause @@ -88,7 +88,7 @@ update_max_array_access(ir_rvalue *ir, unsigned idx, YYLTYPE *loc, unsigned field_index = deref_record->record->type->field_index(deref_record->field); assert(field_index < interface_type->length); - if (idx > deref_var->var->max_ifc_array_access[field_index]) { + if (idx > (int)deref_var->var->max_ifc_array_access[field_index]) { deref_var->var->max_ifc_array_access[field_index] = idx; /* Check whether this access will, as a side effect, implicitly |