diff options
Diffstat (limited to 'glsl_types.c')
| -rw-r--r-- | glsl_types.c | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/glsl_types.c b/glsl_types.c new file mode 100644 index 0000000000..8973218017 --- /dev/null +++ b/glsl_types.c @@ -0,0 +1,159 @@ +/* + * 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. + */ + +#include <stdlib.h> +#include "symbol_table.h" +#include "glsl_parser_extras.h" +#include "glsl_types.h" +#include "builtin_types.h" + + +struct glsl_type * +_mesa_glsl_array_type_ctor(struct glsl_type *base, unsigned length, + const char *name) +{ + struct glsl_type *type = calloc(1, sizeof(*type)); + + type->base_type = GLSL_TYPE_ARRAY; + type->name = name; + type->length = length; + type->fields.array = base; + + return type; +} + + +static void +add_types_to_symbol_table(struct _mesa_symbol_table *symtab, + const struct glsl_type *types, + unsigned num_types) +{ + unsigned i; + + for (i = 0; i < num_types; i++) { + _mesa_symbol_table_add_symbol(symtab, 0, types[i].name, + (void *) & types[i]); + } +} + + +static void +generate_110_types(struct _mesa_symbol_table *symtab) +{ + add_types_to_symbol_table(symtab, builtin_core_types, + Elements(builtin_core_types)); + add_types_to_symbol_table(symtab, builtin_structure_types, + Elements(builtin_structure_types)); + add_types_to_symbol_table(symtab, builtin_110_deprecated_structure_types, + Elements(builtin_110_deprecated_structure_types)); +} + + +static void +generate_120_types(struct _mesa_symbol_table *symtab) +{ + generate_110_types(symtab); + + add_types_to_symbol_table(symtab, builtin_120_types, + Elements(builtin_120_types)); +} + + +static void +generate_130_types(struct _mesa_symbol_table *symtab) +{ + generate_120_types(symtab); + + add_types_to_symbol_table(symtab, builtin_130_types, + Elements(builtin_130_types)); +} + + +void +_mesa_glsl_initialize_types(struct _mesa_glsl_parse_state *state) +{ + switch (state->language_version) { + case 110: + generate_110_types(state->symbols); + break; + case 120: + generate_120_types(state->symbols); + break; + case 130: + generate_130_types(state->symbols); + break; + default: + /* error */ + break; + } +} + + +const struct glsl_type * +_mesa_glsl_get_vector_type(unsigned base_type, unsigned vector_length) +{ + switch (base_type) { + case GLSL_TYPE_UINT: + switch (vector_length) { + case 1: + case 2: + case 3: + case 4: + return glsl_uint_type + (vector_length - 1); + default: + return glsl_error_type; + } + case GLSL_TYPE_INT: + switch (vector_length) { + case 1: + case 2: + case 3: + case 4: + return glsl_int_type + (vector_length - 1); + default: + return glsl_error_type; + } + case GLSL_TYPE_FLOAT: + switch (vector_length) { + case 1: + case 2: + case 3: + case 4: + return glsl_float_type + (vector_length - 1); + default: + return glsl_error_type; + } + case GLSL_TYPE_BOOL: + switch (vector_length) { + case 1: + case 2: + case 3: + case 4: + return glsl_bool_type + (vector_length - 1); + default: + return glsl_error_type; + } + default: + return glsl_error_type; + } +} |