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/*
* Mesa 3-D graphics library
* Version: 6.5
*
* Copyright (C) 2005-2006 Brian Paul All Rights Reserved.
*
* 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 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
* BRIAN PAUL 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.
*/
#ifndef SLANG_TYPEINFO_H
#define SLANG_TYPEINFO_H 1
#include "main/imports.h"
#include "main/mtypes.h"
#include "slang_log.h"
#include "slang_utility.h"
#include "slang_vartable.h"
struct slang_operation_;
struct slang_name_space_;
/**
* Holds complete information about vector swizzle - the <swizzle>
* array contains vector component source indices, where 0 is "x", 1
* is "y", 2 is "z" and 3 is "w".
* Example: "xwz" --> { 3, { 0, 3, 2, not used } }.
*/
typedef struct slang_swizzle_
{
GLuint num_components;
GLuint swizzle[4];
} slang_swizzle;
extern GLboolean
_slang_is_swizzle(const char *field, GLuint rows, slang_swizzle *swz);
typedef enum slang_type_variant_
{
SLANG_VARIANT, /* the default */
SLANG_INVARIANT /* indicates the "invariant" keyword */
} slang_type_variant;
typedef enum slang_type_centroid_
{
SLANG_CENTER, /* the default */
SLANG_CENTROID /* indicates the "centroid" keyword */
} slang_type_centroid;
/**
* These only apply to gl_FragCoord, but other layout qualifiers may
* appear in the future.
*/
typedef enum slang_layout_qualifier_
{
SLANG_LAYOUT_NONE = 0x0,
SLANG_LAYOUT_UPPER_LEFT_BIT = 0x1,
SLANG_LAYOUT_PIXEL_CENTER_INTEGER_BIT = 0x2
} slang_layout_qualifier;
typedef enum slang_type_qualifier_
{
SLANG_QUAL_NONE,
SLANG_QUAL_CONST,
SLANG_QUAL_ATTRIBUTE,
SLANG_QUAL_VARYING,
SLANG_QUAL_UNIFORM,
SLANG_QUAL_OUT,
SLANG_QUAL_INOUT,
SLANG_QUAL_FIXEDOUTPUT, /* internal */
SLANG_QUAL_FIXEDINPUT /* internal */
} slang_type_qualifier;
typedef enum slang_type_precision_
{
SLANG_PREC_DEFAULT,
SLANG_PREC_LOW,
SLANG_PREC_MEDIUM,
SLANG_PREC_HIGH
} slang_type_precision;
/**
* The basic shading language types (float, vec4, mat3, etc)
*/
typedef enum slang_type_specifier_type_
{
SLANG_SPEC_VOID,
SLANG_SPEC_BOOL,
SLANG_SPEC_BVEC2,
SLANG_SPEC_BVEC3,
SLANG_SPEC_BVEC4,
SLANG_SPEC_INT,
SLANG_SPEC_IVEC2,
SLANG_SPEC_IVEC3,
SLANG_SPEC_IVEC4,
SLANG_SPEC_FLOAT,
SLANG_SPEC_VEC2,
SLANG_SPEC_VEC3,
SLANG_SPEC_VEC4,
SLANG_SPEC_MAT2,
SLANG_SPEC_MAT3,
SLANG_SPEC_MAT4,
SLANG_SPEC_MAT23,
SLANG_SPEC_MAT32,
SLANG_SPEC_MAT24,
SLANG_SPEC_MAT42,
SLANG_SPEC_MAT34,
SLANG_SPEC_MAT43,
SLANG_SPEC_SAMPLER_1D,
SLANG_SPEC_SAMPLER_2D,
SLANG_SPEC_SAMPLER_3D,
SLANG_SPEC_SAMPLER_CUBE,
SLANG_SPEC_SAMPLER_RECT,
SLANG_SPEC_SAMPLER_1D_SHADOW,
SLANG_SPEC_SAMPLER_2D_SHADOW,
SLANG_SPEC_SAMPLER_RECT_SHADOW,
SLANG_SPEC_SAMPLER_1D_ARRAY,
SLANG_SPEC_SAMPLER_2D_ARRAY,
SLANG_SPEC_SAMPLER_1D_ARRAY_SHADOW,
SLANG_SPEC_SAMPLER_2D_ARRAY_SHADOW,
SLANG_SPEC_STRUCT,
SLANG_SPEC_ARRAY
} slang_type_specifier_type;
extern slang_type_specifier_type
slang_type_specifier_type_from_string(const char *);
extern const char *
slang_type_specifier_type_to_string(slang_type_specifier_type);
/**
* Describes more sophisticated types, like structs and arrays.
*/
typedef struct slang_type_specifier_
{
slang_type_specifier_type type;
struct slang_struct_ *_struct; /**< if type == SLANG_SPEC_STRUCT */
struct slang_type_specifier_ *_array; /**< if type == SLANG_SPEC_ARRAY */
} slang_type_specifier;
extern GLvoid
slang_type_specifier_ctr(slang_type_specifier *);
extern GLvoid
slang_type_specifier_dtr(slang_type_specifier *);
extern slang_type_specifier *
slang_type_specifier_new(slang_type_specifier_type type,
struct slang_struct_ *_struct,
struct slang_type_specifier_ *_array);
extern GLboolean
slang_type_specifier_copy(slang_type_specifier *, const slang_type_specifier *);
extern GLboolean
slang_type_specifier_equal(const slang_type_specifier *,
const slang_type_specifier *);
extern GLboolean
slang_type_specifier_compatible(const slang_type_specifier *x,
const slang_type_specifier *y);
typedef struct slang_fully_specified_type_
{
slang_type_qualifier qualifier;
slang_type_specifier specifier;
slang_type_precision precision;
slang_type_variant variant;
slang_type_centroid centroid;
slang_layout_qualifier layout;
GLint array_len; /**< -1 if not an array type */
} slang_fully_specified_type;
extern int
slang_fully_specified_type_construct(slang_fully_specified_type *);
extern void
slang_fully_specified_type_destruct(slang_fully_specified_type *);
extern int
slang_fully_specified_type_copy(slang_fully_specified_type *,
const slang_fully_specified_type *);
GLboolean
slang_fully_specified_types_compatible(const slang_fully_specified_type * x,
const slang_fully_specified_type * y);
typedef struct slang_typeinfo_
{
GLboolean can_be_referenced;
GLboolean is_swizzled;
slang_swizzle swz;
slang_type_specifier spec;
GLuint array_len;
} slang_typeinfo;
extern GLboolean
slang_typeinfo_construct(slang_typeinfo *);
extern GLvoid
slang_typeinfo_destruct(slang_typeinfo *);
extern GLboolean
_slang_typeof_operation(struct slang_operation_ *,
const struct slang_name_space_ *,
slang_typeinfo *, slang_atom_pool *,
slang_info_log *log);
extern GLboolean
_slang_type_is_matrix(slang_type_specifier_type);
extern GLboolean
_slang_type_is_vector(slang_type_specifier_type);
extern GLboolean
_slang_type_is_float_vec_mat(slang_type_specifier_type);
extern slang_type_specifier_type
_slang_type_base(slang_type_specifier_type);
extern GLuint
_slang_type_dim(slang_type_specifier_type);
extern GLenum
_slang_gltype_from_specifier(const slang_type_specifier *type);
#endif
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