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Diffstat (limited to 'src/mesa/shader/slang/slang_typeinfo.h')
| -rw-r--r-- | src/mesa/shader/slang/slang_typeinfo.h | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/src/mesa/shader/slang/slang_typeinfo.h b/src/mesa/shader/slang/slang_typeinfo.h new file mode 100644 index 0000000000..be2e229b76 --- /dev/null +++ b/src/mesa/shader/slang/slang_typeinfo.h @@ -0,0 +1,193 @@ +/* + * 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 "imports.h" +#include "mtypes.h" +#include "slang_log.h" +#include "slang_utility.h" +#include "slang_vartable.h" + + +struct slang_operation_; + + +/** + * 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; + +typedef struct slang_name_space_ +{ + struct slang_function_scope_ *funcs; + struct slang_struct_scope_ *structs; + struct slang_variable_scope_ *vars; +} slang_name_space; + + +typedef struct slang_assemble_ctx_ +{ + slang_atom_pool *atoms; + slang_name_space space; + struct gl_program *program; + slang_var_table *vartable; + slang_info_log *log; + struct slang_label_ *curFuncEndLabel; + struct slang_ir_node_ *CurLoop; +} slang_assemble_ctx; + + +extern struct slang_function_ * +_slang_locate_function(const struct slang_function_scope_ *funcs, + slang_atom name, struct slang_operation_ *params, + GLuint num_params, + const slang_name_space *space, + slang_atom_pool *atoms, slang_info_log *log); + + +extern GLboolean +_slang_is_swizzle(const char *field, GLuint rows, slang_swizzle *swz); + +extern GLboolean +_slang_is_swizzle_mask(const slang_swizzle *swz, GLuint rows); + +extern GLvoid +_slang_multiply_swizzles(slang_swizzle *, const slang_swizzle *, + const slang_swizzle *); + + +/** + * 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_SAMPLER1D, + SLANG_SPEC_SAMPLER2D, + SLANG_SPEC_SAMPLER3D, + SLANG_SPEC_SAMPLERCUBE, + SLANG_SPEC_SAMPLER2DRECT, + SLANG_SPEC_SAMPLER1DSHADOW, + SLANG_SPEC_SAMPLER2DSHADOW, + SLANG_SPEC_SAMPLER2DRECTSHADOW, + SLANG_SPEC_STRUCT, + SLANG_SPEC_ARRAY +} 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; /**< used if type == spec_struct */ + struct slang_type_specifier_ *_array; /**< used if type == spec_array */ +} slang_type_specifier; + + +extern GLvoid +slang_type_specifier_ctr(slang_type_specifier *); + +extern GLvoid +slang_type_specifier_dtr(slang_type_specifier *); + +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 *); + + +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 *); + + +/** + * Retrieves type information about an operation. + * Returns GL_TRUE on success. + * Returns GL_FALSE otherwise. + */ +extern GLboolean +_slang_typeof_operation(const slang_assemble_ctx *, + struct slang_operation_ *, + slang_typeinfo *); + +extern GLboolean +_slang_typeof_operation_(struct slang_operation_ *, + const 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 slang_type_specifier_type +_slang_type_base(slang_type_specifier_type); + +extern GLuint +_slang_type_dim(slang_type_specifier_type); + + +#endif |