diff options
| -rw-r--r-- | src/mesa/main/program.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/mesa/main/program.c b/src/mesa/main/program.c index 2fc52d9bd4a..6c1e3623221 100644 --- a/src/mesa/main/program.c +++ b/src/mesa/main/program.c @@ -389,6 +389,9 @@ _mesa_lookup_parameter_value(struct program_parameter_list *paramList, { GLuint i; + if (!paramList) + return NULL; + if (nameLen == -1) { /* name is null-terminated */ for (i = 0; i < paramList->NumParameters; i++) { @@ -418,6 +421,9 @@ _mesa_lookup_parameter_index(struct program_parameter_list *paramList, { GLint i; + if (!paramList) + return -1; + if (nameLen == -1) { /* name is null-terminated */ for (i = 0; i < (GLint) paramList->NumParameters; i++) { @@ -799,6 +805,10 @@ _mesa_load_state_parameters(GLcontext *ctx, struct program_parameter_list *paramList) { GLuint i; + + if (!paramList) + return; + for (i = 0; i < paramList->NumParameters; i++) { if (paramList->Parameters[i].Type == STATE) { _mesa_fetch_state(ctx, paramList->Parameters[i].StateIndexes, |