}
-/**
- * Add a new named constant to the parameter list.
- * This will be used when the program contains something like this:
- * PARAM myVals = { 0, 1, 2, 3 };
- *
- * \param paramList the parameter list
- * \param name the name for the constant
- * \param values four float values
- * \return index/position of the new parameter in the parameter list
- */
-GLint
-_mesa_add_named_constant(struct gl_program_parameter_list *paramList,
- const char *name, const gl_constant_value values[4],
- GLuint size)
-{
- /* first check if this is a duplicate constant */
- GLint pos;
- for (pos = 0; pos < (GLint)paramList->NumParameters; pos++) {
- const gl_constant_value *pvals = paramList->ParameterValues[pos];
- if (pvals[0].u == values[0].u &&
- pvals[1].u == values[1].u &&
- pvals[2].u == values[2].u &&
- pvals[3].u == values[3].u &&
- strcmp(paramList->Parameters[pos].Name, name) == 0) {
- /* Same name and value is already in the param list - reuse it */
- return pos;
- }
- }
- /* not found, add new parameter */
- return _mesa_add_parameter(paramList, PROGRAM_CONSTANT, name,
- size, GL_NONE, values, NULL);
-}
-
-
/**
* Add a new unnamed constant to the parameter list. This will be used
* when a fragment/vertex program contains something like this:
swizzleOut);
}
-#if 0 /* not used yet */
-/**
- * Returns the number of 4-component registers needed to store a piece
- * of GL state. For matrices this may be as many as 4 registers,
- * everything else needs
- * just 1 register.
- */
-static GLuint
-sizeof_state_reference(const GLint *stateTokens)
-{
- if (stateTokens[0] == STATE_MATRIX) {
- GLuint rows = stateTokens[4] - stateTokens[3] + 1;
- assert(rows >= 1);
- assert(rows <= 4);
- return rows;
- }
- else {
- return 1;
- }
-}
-#endif
-
/**
* Add a new state reference to the parameter list.
}
-/**
- * Lookup a parameter value by name in the given parameter list.
- * \return pointer to the float[4] values.
- */
-gl_constant_value *
-_mesa_lookup_parameter_value(const struct gl_program_parameter_list *paramList,
- GLsizei nameLen, const char *name)
-{
- GLint i = _mesa_lookup_parameter_index(paramList, nameLen, name);
- if (i < 0)
- return NULL;
- else
- return paramList->ParameterValues[i];
-}
-
-
/**
* Given a program parameter name, find its position in the list of parameters.
* \param paramList the parameter list to search
const gl_constant_value *values,
const gl_state_index state[STATE_LENGTH]);
-extern GLint
-_mesa_add_named_constant(struct gl_program_parameter_list *paramList,
- const char *name, const gl_constant_value values[4],
- GLuint size);
-
extern GLint
_mesa_add_typed_unnamed_constant(struct gl_program_parameter_list *paramList,
const gl_constant_value values[4], GLuint size,
_mesa_add_state_reference(struct gl_program_parameter_list *paramList,
const gl_state_index stateTokens[STATE_LENGTH]);
-extern gl_constant_value *
-_mesa_lookup_parameter_value(const struct gl_program_parameter_list *paramList,
- GLsizei nameLen, const char *name);
-
extern GLint
_mesa_lookup_parameter_index(const struct gl_program_parameter_list *paramList,
GLsizei nameLen, const char *name);