* \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)
* Add a new unnamed constant to the parameter list. This will be used
* when a fragment/vertex program contains something like this:
* MOV r, { 0, 1, 2, 3 };
- * We'll search the parameter list for an existing instance of the
- * constant. If swizzleOut is non-null, we'll try swizzling when
- * looking for a match.
+ * If swizzleOut is non-null we'll search the parameter list for an
+ * existing instance of the constant which matches with a swizzle.
*
* \param paramList the parameter list
* \param values four float values
ASSERT(size >= 1);
ASSERT(size <= 4);
- if (_mesa_lookup_parameter_constant(paramList, values,
+ if (swizzleOut &&
+ _mesa_lookup_parameter_constant(paramList, values,
size, &pos, swizzleOut)) {
return pos;
}
_mesa_lookup_parameter_value(const struct gl_program_parameter_list *paramList,
GLsizei nameLen, const char *name)
{
- GLuint i = _mesa_lookup_parameter_index(paramList, nameLen, name);
+ GLint i = _mesa_lookup_parameter_index(paramList, nameLen, name);
if (i < 0)
return NULL;
else