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Diffstat (limited to 'src/mesa/slang/slang_typeinfo.h')
| -rw-r--r-- | src/mesa/slang/slang_typeinfo.h | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/src/mesa/slang/slang_typeinfo.h b/src/mesa/slang/slang_typeinfo.h new file mode 100644 index 0000000000..2251b06325 --- /dev/null +++ b/src/mesa/slang/slang_typeinfo.h @@ -0,0 +1,265 @@ +/* + * 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_varying_kind_ +{ + SLANG_VARYING_IN, + SLANG_VARYING_OUT, +} slang_varying_kind; + +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_varying_kind varying_kind; +} 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 |