diff options
Diffstat (limited to 'src/mesa/shader/slang/slang_storage.h')
-rw-r--r-- | src/mesa/shader/slang/slang_storage.h | 121 |
1 files changed, 59 insertions, 62 deletions
diff --git a/src/mesa/shader/slang/slang_storage.h b/src/mesa/shader/slang/slang_storage.h index 209f8674d9..b02931fcc2 100644 --- a/src/mesa/shader/slang/slang_storage.h +++ b/src/mesa/shader/slang/slang_storage.h @@ -22,76 +22,83 @@ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ -#if !defined SLANG_STORAGE_H +#ifndef SLANG_STORAGE_H #define SLANG_STORAGE_H #include "slang_compile.h" -#include "slang_assemble.h" -#include "slang_execute.h" +#include "slang_typeinfo.h" -#if defined __cplusplus -extern "C" { -#endif /* - * Program variable data storage is kept completely transparent to the front-end compiler. It is - * up to the back-end how the data is actually allocated. The slang_storage_type enum - * provides the basic information about how the memory is interpreted. This abstract piece - * of memory is called a data slot. A data slot of a particular type has a fixed size. + * Program variable data storage is kept completely transparent to the + * front-end compiler. It is up to the back-end how the data is + * actually allocated. The slang_storage_type enum provides the basic + * information about how the memory is interpreted. This abstract + * piece of memory is called a data slot. A data slot of a particular + * type has a fixed size. * - * For now, only the three basic types are supported, that is bool, int and float. Other built-in - * types like vector or matrix can easily be decomposed into a series of basic types. + * For now, only the three basic types are supported, that is bool, + * int and float. Other built-in types like vector or matrix can + * easily be decomposed into a series of basic types. * - * If the vec4 module is enabled, 4-component vectors of floats are used when possible. 4x4 matrices - * are constructed of 4 vec4 slots. + * If the vec4 module is enabled, 4-component vectors of floats are + * used when possible. 4x4 matrices are constructed of 4 vec4 slots. */ typedef enum slang_storage_type_ { /* core */ - slang_stor_aggregate, - slang_stor_bool, - slang_stor_int, - slang_stor_float, + SLANG_STORE_AGGREGATE, + SLANG_STORE_BOOL, + SLANG_STORE_INT, + SLANG_STORE_FLOAT, /* vec4 */ - slang_stor_vec4 + SLANG_STORE_VEC4 } slang_storage_type; -/* - * The slang_storage_array structure groups data slots of the same type into an array. This - * array has a fixed length. Arrays are required to have a size equal to the sum of sizes of its - * elements. They are also required to support indirect addressing. That is, if B references - * first data slot in the array, S is the size of the data slot and I is the integral index that - * is not known at compile time, B+I*S references I-th data slot. + +/** + * The slang_storage_array structure groups data slots of the same + * type into an array. This array has a fixed length. Arrays are + * required to have a size equal to the sum of sizes of its + * elements. They are also required to support indirect + * addressing. That is, if B references first data slot in the array, + * S is the size of the data slot and I is the integral index that is + * not known at compile time, B+I*S references I-th data slot. * - * This structure is also used to break down built-in data types that are not supported directly. - * Vectors, like vec3, are constructed from arrays of their basic types. Matrices are formed of - * an array of column vectors, which are in turn processed as other vectors. + * This structure is also used to break down built-in data types that + * are not supported directly. Vectors, like vec3, are constructed + * from arrays of their basic types. Matrices are formed of an array + * of column vectors, which are in turn processed as other vectors. */ typedef struct slang_storage_array_ { - slang_storage_type type; - struct slang_storage_aggregate_ *aggregate; /* slang_stor_aggregate */ - GLuint length; + slang_storage_type type; + struct slang_storage_aggregate_ *aggregate; + GLuint length; } slang_storage_array; GLboolean slang_storage_array_construct (slang_storage_array *); GLvoid slang_storage_array_destruct (slang_storage_array *); -/* - * The slang_storage_aggregate structure relaxes the indirect addressing requirement for - * slang_storage_array structure. Aggregates are always accessed statically - its member - * addresses are well-known at compile time. For example, user-defined types are implemented as - * aggregates. Aggregates can collect data of a different type. + +/** + * The slang_storage_aggregate structure relaxes the indirect + * addressing requirement for slang_storage_array + * structure. Aggregates are always accessed statically - its member + * addresses are well-known at compile time. For example, user-defined + * types are implemented as aggregates. Aggregates can collect data of + * a different type. */ typedef struct slang_storage_aggregate_ { - slang_storage_array *arrays; - GLuint count; + slang_storage_array *arrays; + GLuint count; } slang_storage_aggregate; GLboolean slang_storage_aggregate_construct (slang_storage_aggregate *); GLvoid slang_storage_aggregate_destruct (slang_storage_aggregate *); + extern GLboolean _slang_aggregate_variable(slang_storage_aggregate *agg, slang_type_specifier *spec, @@ -99,43 +106,33 @@ _slang_aggregate_variable(slang_storage_aggregate *agg, slang_function_scope *funcs, slang_struct_scope *structs, slang_variable_scope *vars, - slang_machine *mach, - slang_assembly_file *file, slang_atom_pool *atoms); -extern GLboolean -_slang_evaluate_int(slang_assembly_file *file, - slang_machine *pmach, - slang_assembly_name_space *space, - slang_operation *array_size, - GLuint *pint, - slang_atom_pool *atoms); - /* * Returns the size (in machine units) of the given storage type. - * It is an error to pass-in slang_stor_aggregate. + * It is an error to pass-in SLANG_STORE_AGGREGATE. * Returns 0 on error. */ extern GLuint _slang_sizeof_type (slang_storage_type); -/* + +/** * Returns total size (in machine units) of the given aggregate. * Returns 0 on error. */ -GLuint _slang_sizeof_aggregate (const slang_storage_aggregate *); +extern GLuint +_slang_sizeof_aggregate (const slang_storage_aggregate *); -/* - * Converts structured aggregate to a flat one, with arrays of generic type being - * one-element long. - * Returns GL_TRUE on success. - * Returns GL_FALSE otherwise. - */ -GLboolean _slang_flatten_aggregate (slang_storage_aggregate *, const slang_storage_aggregate *); -#ifdef __cplusplus -} -#endif +/** + * Converts structured aggregate to a flat one, with arrays of generic + * type being one-element long. Returns GL_TRUE on success. Returns + * GL_FALSE otherwise. + */ +extern GLboolean +_slang_flatten_aggregate (slang_storage_aggregate *, + const slang_storage_aggregate *); -#endif +#endif /* SLANG_STORAGE_H */ |