From 523f5cfeb537e52baa892148b7b050fb076ef1b0 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Thu, 16 Nov 2006 22:31:34 +0000 Subject: Add a lot of const qualifiers for const-correctness. New comments, misc clean-ups. --- src/mesa/shader/slang/slang_assemble.c | 6 +- src/mesa/shader/slang/slang_assemble.h | 11 +- src/mesa/shader/slang/slang_assemble_typeinfo.c | 105 ++++++++++++------ src/mesa/shader/slang/slang_assemble_typeinfo.h | 138 +++++++++++++++--------- src/mesa/shader/slang/slang_utility.c | 21 ++-- src/mesa/shader/slang/slang_utility.h | 2 +- 6 files changed, 184 insertions(+), 99 deletions(-) (limited to 'src/mesa/shader/slang') diff --git a/src/mesa/shader/slang/slang_assemble.c b/src/mesa/shader/slang/slang_assemble.c index 603fd4f7f8..09b1df7cb0 100644 --- a/src/mesa/shader/slang/slang_assemble.c +++ b/src/mesa/shader/slang/slang_assemble.c @@ -232,9 +232,9 @@ collect_locals(slang_assemble_ctx * A, slang_operation * op, GLuint * size) /* _slang_locate_function() */ slang_function * -_slang_locate_function(slang_function_scope * funcs, slang_atom a_name, - slang_operation * params, GLuint num_params, - slang_assembly_name_space * space, +_slang_locate_function(const slang_function_scope * funcs, slang_atom a_name, + const slang_operation * params, GLuint num_params, + const slang_assembly_name_space * space, slang_atom_pool * atoms) { GLuint i; diff --git a/src/mesa/shader/slang/slang_assemble.h b/src/mesa/shader/slang/slang_assemble.h index 54589ad7d1..3f75e971be 100644 --- a/src/mesa/shader/slang/slang_assemble.h +++ b/src/mesa/shader/slang/slang_assemble.h @@ -216,13 +216,18 @@ typedef struct slang_assemble_ctx_ } slang_assemble_ctx; extern struct slang_function_ * -_slang_locate_function(struct slang_function_scope_ *funcs, slang_atom name, - struct slang_operation_ *params, GLuint num_params, - slang_assembly_name_space *space, slang_atom_pool *); +_slang_locate_function(const struct slang_function_scope_ *funcs, + slang_atom name, const struct slang_operation_ *params, + GLuint num_params, + const slang_assembly_name_space *space, + slang_atom_pool *); extern GLboolean _slang_assemble_function(slang_assemble_ctx *, struct slang_function_ *); +extern GLboolean +_slang_assemble_function2(slang_assemble_ctx * , struct slang_function_ *); + extern GLboolean _slang_cleanup_stack(slang_assemble_ctx *, struct slang_operation_ *); diff --git a/src/mesa/shader/slang/slang_assemble_typeinfo.c b/src/mesa/shader/slang/slang_assemble_typeinfo.c index 340d6c1c58..f4ee573df7 100644 --- a/src/mesa/shader/slang/slang_assemble_typeinfo.c +++ b/src/mesa/shader/slang/slang_assemble_typeinfo.c @@ -131,31 +131,53 @@ slang_assembly_typeinfo_destruct(slang_assembly_typeinfo * ti) /* _slang_typeof_operation() */ +/** + * Determine the return type of a function. + * \param name name of the function + * \param params array of function parameters + * \param num_params number of parameters + * \param space namespace to use + * \param spec returns the function's type + * \param atoms atom pool + * \return GL_TRUE for success, GL_FALSE if failure + */ static GLboolean -typeof_existing_function(const char *name, slang_operation * params, - GLuint num_params, slang_assembly_name_space * space, - slang_type_specifier * spec, slang_atom_pool * atoms) +typeof_existing_function(const char *name, const slang_operation * params, + GLuint num_params, + const slang_assembly_name_space * space, + slang_type_specifier * spec, + slang_atom_pool * atoms) { slang_atom atom; GLboolean exists; atom = slang_atom_pool_atom(atoms, name); - if (!_slang_typeof_function - (atom, params, num_params, space, spec, &exists, atoms)) + if (!_slang_typeof_function(atom, params, num_params, space, spec, + &exists, atoms)) return GL_FALSE; return exists; } GLboolean -_slang_typeof_operation(slang_assemble_ctx * A, slang_operation * op, +_slang_typeof_operation(const slang_assemble_ctx * A, + const slang_operation * op, slang_assembly_typeinfo * ti) { return _slang_typeof_operation_(op, &A->space, ti, A->atoms); } + +/** + * Determine the return type of an operation. + * \param op the operation node + * \param space the namespace to use + * \param ti the returned type + * \param atoms atom pool + * \return GL_TRUE for success, GL_FALSE if failure + */ GLboolean -_slang_typeof_operation_(slang_operation * op, - slang_assembly_name_space * space, +_slang_typeof_operation_(const slang_operation * op, + const slang_assembly_name_space * space, slang_assembly_typeinfo * ti, slang_atom_pool * atoms) { @@ -247,23 +269,23 @@ _slang_typeof_operation_(slang_operation * op, /*case slang_oper_lshift: */ /*case slang_oper_rshift: */ case slang_oper_add: - if (!typeof_existing_function - ("+", op->children, 2, space, &ti->spec, atoms)) + if (!typeof_existing_function("+", op->children, 2, space, + &ti->spec, atoms)) return GL_FALSE; break; case slang_oper_subtract: - if (!typeof_existing_function - ("-", op->children, 2, space, &ti->spec, atoms)) + if (!typeof_existing_function("-", op->children, 2, space, + &ti->spec, atoms)) return GL_FALSE; break; case slang_oper_multiply: - if (!typeof_existing_function - ("*", op->children, 2, space, &ti->spec, atoms)) + if (!typeof_existing_function("*", op->children, 2, space, + &ti->spec, atoms)) return GL_FALSE; break; case slang_oper_divide: - if (!typeof_existing_function - ("/", op->children, 2, space, &ti->spec, atoms)) + if (!typeof_existing_function("/", op->children, 2, space, + &ti->spec, atoms)) return GL_FALSE; break; /*case slang_oper_modulus: */ @@ -311,9 +333,8 @@ _slang_typeof_operation_(slang_operation * op, { GLboolean exists; - if (!_slang_typeof_function - (op->a_id, op->children, op->num_children, space, &ti->spec, - &exists, atoms)) + if (!_slang_typeof_function(op->a_id, op->children, op->num_children, + space, &ti->spec, &exists, atoms)) return GL_FALSE; if (!exists) { slang_struct *s = @@ -468,27 +489,38 @@ _slang_typeof_operation_(slang_operation * op, return GL_TRUE; } -/* _slang_typeof_function() */ + +/** + * Determine the return type of a function. + * \param a_name the function name + * \param param function parameters (overloading) + * \param num_params number of parameters to function + * \param space namespace to search + * \param exists returns GL_TRUE or GL_FALSE to indicate existance of function + * \return GL_TRUE for success, GL_FALSE if failure (bad function name) + */ GLboolean -_slang_typeof_function(slang_atom a_name, slang_operation * params, - GLuint num_params, slang_assembly_name_space * space, +_slang_typeof_function(slang_atom a_name, const slang_operation * params, + GLuint num_params, + const slang_assembly_name_space * space, slang_type_specifier * spec, GLboolean * exists, slang_atom_pool * atoms) { - slang_function *fun; - - fun = - _slang_locate_function(space->funcs, a_name, params, num_params, space, - atoms); + slang_function *fun = _slang_locate_function(space->funcs, a_name, params, + num_params, space, atoms); *exists = fun != NULL; - if (fun == NULL) - return GL_TRUE; + if (!fun) + return GL_TRUE; /* yes, not false */ return slang_type_specifier_copy(spec, &fun->header.type.specifier); } -/* _slang_type_is_matrix() */ + +/** + * Determine if a type is a matrix. + * \return GL_TRUE if is a matrix, GL_FALSE otherwise. + */ GLboolean _slang_type_is_matrix(slang_type_specifier_type ty) { @@ -502,8 +534,11 @@ _slang_type_is_matrix(slang_type_specifier_type ty) } } -/* _slang_type_is_vector() */ +/** + * Determine if a type is a vector. + * \return GL_TRUE if is a vector, GL_FALSE otherwise. + */ GLboolean _slang_type_is_vector(slang_type_specifier_type ty) { @@ -523,8 +558,10 @@ _slang_type_is_vector(slang_type_specifier_type ty) } } -/* _slang_type_base_of_vector() */ +/** + * Given a vector type, return the type of the vector's elements + */ slang_type_specifier_type _slang_type_base(slang_type_specifier_type ty) { @@ -555,8 +592,10 @@ _slang_type_base(slang_type_specifier_type ty) } } -/* _slang_type_dim */ +/** + * Return the number of elements in a vector or matrix type + */ GLuint _slang_type_dim(slang_type_specifier_type ty) { diff --git a/src/mesa/shader/slang/slang_assemble_typeinfo.h b/src/mesa/shader/slang/slang_assemble_typeinfo.h index 7e8af96915..5d951226a1 100644 --- a/src/mesa/shader/slang/slang_assemble_typeinfo.h +++ b/src/mesa/shader/slang/slang_assemble_typeinfo.h @@ -29,84 +29,120 @@ extern "C" { #endif + +/** + * 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_sampler1DShadow, - slang_spec_sampler2DShadow, - slang_spec_struct, - slang_spec_array + 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_sampler1DShadow, + slang_spec_sampler2DShadow, + 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; /* type: spec_struct */ - struct slang_type_specifier_ *_array; /* type: spec_array */ + slang_type_specifier_type type; + struct slang_struct_ *_struct; /**< type: spec_struct */ + struct slang_type_specifier_ *_array; /**< type: spec_array */ } slang_type_specifier; -GLvoid slang_type_specifier_ctr (slang_type_specifier *); -GLvoid slang_type_specifier_dtr (slang_type_specifier *); -GLboolean slang_type_specifier_copy (slang_type_specifier *, const slang_type_specifier *); -GLboolean slang_type_specifier_equal (const slang_type_specifier *, const 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_assembly_typeinfo_ { - GLboolean can_be_referenced; - GLboolean is_swizzled; - slang_swizzle swz; - slang_type_specifier spec; - GLuint array_len; + GLboolean can_be_referenced; + GLboolean is_swizzled; + slang_swizzle swz; + slang_type_specifier spec; + GLuint array_len; } slang_assembly_typeinfo; -GLboolean slang_assembly_typeinfo_construct (slang_assembly_typeinfo *); -GLvoid slang_assembly_typeinfo_destruct (slang_assembly_typeinfo *); +extern GLboolean +slang_assembly_typeinfo_construct(slang_assembly_typeinfo *); -/* +extern GLvoid +slang_assembly_typeinfo_destruct(slang_assembly_typeinfo *); + + +/** * Retrieves type information about an operation. * Returns GL_TRUE on success. * Returns GL_FALSE otherwise. */ -GLboolean _slang_typeof_operation (slang_assemble_ctx *, struct slang_operation_ *, - slang_assembly_typeinfo *); -GLboolean _slang_typeof_operation_ (struct slang_operation_ *, slang_assembly_name_space *, - slang_assembly_typeinfo *, slang_atom_pool *); +extern GLboolean +_slang_typeof_operation(const slang_assemble_ctx *, + const struct slang_operation_ *, + slang_assembly_typeinfo *); -/* +extern GLboolean +_slang_typeof_operation_(const struct slang_operation_ *, + const slang_assembly_name_space *, + slang_assembly_typeinfo *, slang_atom_pool *); + +/** * Retrieves type of a function prototype, if one exists. * Returns GL_TRUE on success, even if the function was not found. * Returns GL_FALSE otherwise. */ -GLboolean _slang_typeof_function (slang_atom a_name, struct slang_operation_ *params, - GLuint num_params, slang_assembly_name_space *, slang_type_specifier *spec, GLboolean *exists, - slang_atom_pool *); +extern GLboolean +_slang_typeof_function(slang_atom a_name, + const struct slang_operation_ *params, + GLuint num_params, const slang_assembly_name_space *, + slang_type_specifier *spec, GLboolean *exists, + slang_atom_pool *); + +extern GLboolean +_slang_type_is_matrix(slang_type_specifier_type); + +extern GLboolean +_slang_type_is_vector(slang_type_specifier_type); -GLboolean _slang_type_is_matrix (slang_type_specifier_type); +extern slang_type_specifier_type +_slang_type_base(slang_type_specifier_type); -GLboolean _slang_type_is_vector (slang_type_specifier_type); +extern GLuint +_slang_type_dim(slang_type_specifier_type); -slang_type_specifier_type _slang_type_base (slang_type_specifier_type); -GLuint _slang_type_dim (slang_type_specifier_type); #ifdef __cplusplus } diff --git a/src/mesa/shader/slang/slang_utility.c b/src/mesa/shader/slang/slang_utility.c index 54fcc8a238..28837248df 100644 --- a/src/mesa/shader/slang/slang_utility.c +++ b/src/mesa/shader/slang/slang_utility.c @@ -160,11 +160,16 @@ void slang_atom_pool_destruct (slang_atom_pool *pool) } } -slang_atom slang_atom_pool_atom (slang_atom_pool *pool, const char *id) +/** + * Search atom pool for atom with the given name. + * If name is not found, create new atom (but don't insert into pool?) + */ +slang_atom slang_atom_pool_atom (const slang_atom_pool *pool, const char *id) { GLuint hash; const char *p = id; - slang_atom_entry **entry; + slang_atom_entry * const * entry; + slang_atom_entry **newEntry = NULL; hash = 0; while (*p != '\0') @@ -187,15 +192,15 @@ slang_atom slang_atom_pool_atom (slang_atom_pool *pool, const char *id) entry = &(**entry).next; } - *entry = (slang_atom_entry *) slang_alloc_malloc (sizeof (slang_atom_entry)); - if (*entry == NULL) + *newEntry = (slang_atom_entry *) slang_alloc_malloc (sizeof (slang_atom_entry)); + if (*newEntry == NULL) return SLANG_ATOM_NULL; - (**entry).next = NULL; - (**entry).id = slang_string_duplicate (id); - if ((**entry).id == NULL) + (**newEntry).next = NULL; + (**newEntry).id = slang_string_duplicate (id); + if ((**newEntry).id == NULL) return SLANG_ATOM_NULL; - return (slang_atom) (**entry).id; + return (slang_atom) (**newEntry).id; } const char *slang_atom_pool_id (slang_atom_pool *pool, slang_atom atom) diff --git a/src/mesa/shader/slang/slang_utility.h b/src/mesa/shader/slang/slang_utility.h index 565de4e4b0..3487e4ec51 100644 --- a/src/mesa/shader/slang/slang_utility.h +++ b/src/mesa/shader/slang/slang_utility.h @@ -99,7 +99,7 @@ typedef struct slang_atom_pool_ GLvoid slang_atom_pool_construct (slang_atom_pool *); GLvoid slang_atom_pool_destruct (slang_atom_pool *); -slang_atom slang_atom_pool_atom (slang_atom_pool *, const char *); +slang_atom slang_atom_pool_atom (const slang_atom_pool *, const char *); const char *slang_atom_pool_id (slang_atom_pool *, slang_atom); #ifdef __cplusplus -- cgit v1.2.3