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Diffstat (limited to 'src/mesa/shader/prog_parameter.c')
-rw-r--r--src/mesa/shader/prog_parameter.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/src/mesa/shader/prog_parameter.c b/src/mesa/shader/prog_parameter.c
index bcd8c5d9dc..2f029b02e5 100644
--- a/src/mesa/shader/prog_parameter.c
+++ b/src/mesa/shader/prog_parameter.c
@@ -44,6 +44,34 @@ _mesa_new_parameter_list(void)
}
+struct gl_program_parameter_list *
+_mesa_new_parameter_list_sized(unsigned size)
+{
+ struct gl_program_parameter_list *p = _mesa_new_parameter_list();
+
+ if ((p != NULL) && (size != 0)) {
+ p->Size = size;
+
+ /* alloc arrays */
+ p->Parameters = (struct gl_program_parameter *)
+ _mesa_calloc(size * sizeof(struct gl_program_parameter));
+
+ p->ParameterValues = (GLfloat (*)[4])
+ _mesa_align_malloc(size * 4 *sizeof(GLfloat), 16);
+
+
+ if ((p->Parameters == NULL) || (p->ParameterValues == NULL)) {
+ _mesa_free(p->Parameters);
+ _mesa_align_free(p->ParameterValues);
+ _mesa_free(p);
+ p = NULL;
+ }
+ }
+
+ return p;
+}
+
+
/**
* Free a parameter list and all its parameters
*/
@@ -72,6 +100,7 @@ _mesa_free_parameter_list(struct gl_program_parameter_list *paramList)
* \param type type of parameter, such as
* \param name the parameter name, will be duplicated/copied!
* \param size number of elements in 'values' vector (1..4, or more)
+ * \param datatype GL_FLOAT, GL_FLOAT_VECx, GL_INT, GL_INT_VECx or GL_NONE.
* \param values initial parameter value, up to 4 GLfloats, or NULL
* \param state state indexes, or NULL
* \return index of new parameter in the list, or -1 if error (out of mem)