2010-02-22 21:19:34 +00:00
|
|
|
/*
|
|
|
|
* Copyright © 2009 Intel Corporation
|
|
|
|
*
|
|
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
|
|
* to deal in the Software without restriction, including without limitation
|
|
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
|
|
*
|
|
|
|
* The above copyright notice and this permission notice (including the next
|
|
|
|
* paragraph) shall be included in all copies or substantial portions of the
|
|
|
|
* Software.
|
|
|
|
*
|
|
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
|
|
* DEALINGS IN THE SOFTWARE.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#pragma once
|
|
|
|
#ifndef GLSL_TYPES_H
|
|
|
|
#define GLSL_TYPES_H
|
|
|
|
|
2010-03-09 23:17:37 +00:00
|
|
|
#include <cstring>
|
|
|
|
|
2010-02-22 21:19:34 +00:00
|
|
|
#define GLSL_TYPE_UINT 0
|
|
|
|
#define GLSL_TYPE_INT 1
|
|
|
|
#define GLSL_TYPE_FLOAT 2
|
|
|
|
#define GLSL_TYPE_BOOL 3
|
|
|
|
#define GLSL_TYPE_SAMPLER 4
|
|
|
|
#define GLSL_TYPE_STRUCT 5
|
|
|
|
#define GLSL_TYPE_ARRAY 6
|
|
|
|
#define GLSL_TYPE_FUNCTION 7
|
|
|
|
#define GLSL_TYPE_VOID 8
|
|
|
|
#define GLSL_TYPE_ERROR 9
|
|
|
|
|
|
|
|
#define is_numeric_base_type(b) \
|
|
|
|
(((b) >= GLSL_TYPE_UINT) && ((b) <= GLSL_TYPE_FLOAT))
|
|
|
|
|
|
|
|
#define is_integer_base_type(b) \
|
|
|
|
(((b) == GLSL_TYPE_UINT) || ((b) == GLSL_TYPE_INT))
|
|
|
|
|
|
|
|
#define is_error_type(t) ((t)->base_type == GLSL_TYPE_ERROR)
|
|
|
|
|
2010-03-09 23:17:37 +00:00
|
|
|
enum glsl_sampler_dim {
|
|
|
|
GLSL_SAMPLER_DIM_1D = 0,
|
|
|
|
GLSL_SAMPLER_DIM_2D,
|
|
|
|
GLSL_SAMPLER_DIM_3D,
|
|
|
|
GLSL_SAMPLER_DIM_CUBE,
|
|
|
|
GLSL_SAMPLER_DIM_RECT,
|
|
|
|
GLSL_SAMPLER_DIM_BUF
|
|
|
|
};
|
2010-02-22 21:19:34 +00:00
|
|
|
|
|
|
|
|
|
|
|
struct glsl_type {
|
|
|
|
unsigned base_type:4;
|
|
|
|
|
|
|
|
unsigned sampler_dimensionality:3;
|
|
|
|
unsigned sampler_shadow:1;
|
|
|
|
unsigned sampler_array:1;
|
|
|
|
unsigned sampler_type:2; /**< Type of data returned using this sampler.
|
|
|
|
* only \c GLSL_TYPE_FLOAT, \c GLSL_TYPE_INT,
|
|
|
|
* and \c GLSL_TYPE_UINT are valid.
|
|
|
|
*/
|
|
|
|
|
|
|
|
unsigned vector_elements:3; /**< 0, 2, 3, or 4 vector elements. */
|
|
|
|
unsigned matrix_rows:3; /**< 0, 2, 3, or 4 matrix rows. */
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Name of the data type
|
|
|
|
*
|
|
|
|
* This may be \c NULL for anonymous structures, for arrays, or for
|
|
|
|
* function types.
|
|
|
|
*/
|
|
|
|
const char *name;
|
|
|
|
|
|
|
|
/**
|
|
|
|
* For \c GLSL_TYPE_ARRAY, this is the length of the array. For
|
|
|
|
* \c GLSL_TYPE_STRUCT, it is the number of elements in the structure and
|
|
|
|
* the number of values pointed to by \c fields.structure (below).
|
|
|
|
*
|
|
|
|
* For \c GLSL_TYPE_FUNCTION, it is the number of parameters to the
|
|
|
|
* function. The return value from a function is implicitly the first
|
|
|
|
* parameter. The types of the parameters are stored in
|
|
|
|
* \c fields.parameters (below).
|
|
|
|
*/
|
|
|
|
unsigned length;
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Subtype of composite data types.
|
|
|
|
*/
|
|
|
|
union {
|
|
|
|
const struct glsl_type *array; /**< Type of array elements. */
|
|
|
|
const struct glsl_type *parameters; /**< Parameters to function. */
|
|
|
|
const struct glsl_struct_field *structure;/**< List of struct fields. */
|
|
|
|
} fields;
|
2010-03-09 23:17:37 +00:00
|
|
|
|
|
|
|
|
|
|
|
glsl_type(unsigned base_type, unsigned vector_elements,
|
|
|
|
unsigned matrix_rows, const char *name) :
|
|
|
|
base_type(base_type),
|
|
|
|
sampler_dimensionality(0), sampler_shadow(0), sampler_array(0),
|
|
|
|
sampler_type(0),
|
|
|
|
vector_elements(vector_elements), matrix_rows(matrix_rows),
|
|
|
|
name(name),
|
|
|
|
length(0)
|
|
|
|
{
|
|
|
|
memset(& fields, 0, sizeof(fields));
|
|
|
|
}
|
|
|
|
|
|
|
|
glsl_type(enum glsl_sampler_dim dim, bool shadow, bool array,
|
|
|
|
unsigned type, const char *name) :
|
|
|
|
base_type(GLSL_TYPE_SAMPLER),
|
|
|
|
sampler_dimensionality(dim), sampler_shadow(shadow),
|
|
|
|
sampler_array(array), sampler_type(type),
|
|
|
|
vector_elements(0), matrix_rows(0),
|
|
|
|
name(name),
|
|
|
|
length(0)
|
|
|
|
{
|
|
|
|
memset(& fields, 0, sizeof(fields));
|
|
|
|
}
|
|
|
|
|
|
|
|
glsl_type(const glsl_struct_field *fields, unsigned num_fields,
|
|
|
|
const char *name) :
|
|
|
|
base_type(GLSL_TYPE_STRUCT),
|
|
|
|
sampler_dimensionality(0), sampler_shadow(0), sampler_array(0),
|
|
|
|
sampler_type(0),
|
|
|
|
vector_elements(0), matrix_rows(0),
|
|
|
|
name(name),
|
|
|
|
length(num_fields)
|
|
|
|
{
|
|
|
|
this->fields.structure = fields;
|
|
|
|
}
|
2010-02-22 21:19:34 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
#define is_glsl_type_scalar(t) \
|
|
|
|
(((t)->vector_elements == 0) \
|
|
|
|
&& ((t)->base_type >= GLSL_TYPE_UINT) \
|
|
|
|
&& ((t)->base_type <= GLSL_TYPE_BOOL))
|
|
|
|
|
|
|
|
#define is_glsl_type_vector(t) \
|
|
|
|
(((t)->vector_elements > 0) \
|
|
|
|
&& ((t)->matrix_rows == 0) \
|
|
|
|
&& ((t)->base_type >= GLSL_TYPE_UINT) \
|
|
|
|
&& ((t)->base_type <= GLSL_TYPE_BOOL))
|
|
|
|
|
|
|
|
#define is_glsl_type_matrix(t) \
|
|
|
|
(((t)->matrix_rows > 0) \
|
|
|
|
&& ((t)->base_type == GLSL_TYPE_FLOAT)) /* GLSL only has float matrices. */
|
|
|
|
|
|
|
|
struct glsl_struct_field {
|
|
|
|
const struct glsl_type *type;
|
|
|
|
const char *name;
|
|
|
|
};
|
|
|
|
|
|
|
|
struct _mesa_glsl_parse_state;
|
|
|
|
|
|
|
|
#ifdef __cplusplus
|
|
|
|
extern "C" {
|
|
|
|
#endif
|
|
|
|
|
|
|
|
extern void
|
|
|
|
_mesa_glsl_initialize_types(struct _mesa_glsl_parse_state *state);
|
|
|
|
|
|
|
|
extern const struct glsl_type *
|
|
|
|
_mesa_glsl_get_vector_type(unsigned base_type, unsigned vector_length);
|
|
|
|
|
|
|
|
extern const struct glsl_type *const glsl_error_type;
|
|
|
|
extern const struct glsl_type *const glsl_int_type;
|
|
|
|
extern const struct glsl_type *const glsl_uint_type;
|
|
|
|
extern const struct glsl_type *const glsl_float_type;
|
|
|
|
extern const struct glsl_type *const glsl_bool_type;
|
|
|
|
|
|
|
|
#ifdef __cplusplus
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#endif /* GLSL_TYPES_H */
|