/*
* Mesa 3-D graphics library
- * Version: 6.5
+ * Version: 6.5.2
*
* Copyright (C) 2005-2006 Brian Paul All Rights Reserved.
*
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
-#if !defined SLANG_ASSEMBLE_H
+#ifndef SLANG_ASSEMBLE_H
#define SLANG_ASSEMBLE_H
#include "slang_utility.h"
extern "C" {
#endif
+
struct slang_operation_;
typedef enum slang_assembly_type_
{
- /* core */
- slang_asm_none,
- slang_asm_float_copy,
- slang_asm_float_move,
- slang_asm_float_push,
- slang_asm_float_deref,
- slang_asm_float_add,
- slang_asm_float_multiply,
- slang_asm_float_divide,
- slang_asm_float_negate,
- slang_asm_float_less,
- slang_asm_float_equal_exp,
- slang_asm_float_equal_int,
- slang_asm_float_to_int,
- slang_asm_float_sine,
- slang_asm_float_arcsine,
- slang_asm_float_arctan,
- slang_asm_float_power,
- slang_asm_float_log2,
- slang_asm_float_floor,
- slang_asm_float_ceil,
- slang_asm_float_noise1,
- slang_asm_float_noise2,
- slang_asm_float_noise3,
- slang_asm_float_noise4,
- slang_asm_int_copy,
- slang_asm_int_move,
- slang_asm_int_push,
- slang_asm_int_deref,
- slang_asm_int_to_float,
- slang_asm_int_to_addr,
- slang_asm_bool_copy,
- slang_asm_bool_move,
- slang_asm_bool_push,
- slang_asm_bool_deref,
- slang_asm_addr_copy,
- slang_asm_addr_push,
- slang_asm_addr_deref,
- slang_asm_addr_add,
- slang_asm_addr_multiply,
- slang_asm_vec4_tex1d,
- slang_asm_vec4_tex2d,
- slang_asm_vec4_tex3d,
- slang_asm_vec4_texcube,
- slang_asm_vec4_shad1d,
- slang_asm_vec4_shad2d,
- slang_asm_jump,
- slang_asm_jump_if_zero,
- slang_asm_enter,
- slang_asm_leave,
- slang_asm_local_alloc,
- slang_asm_local_free,
- slang_asm_local_addr,
- slang_asm_global_addr,
- slang_asm_call,
- slang_asm_return,
- slang_asm_discard,
- slang_asm_exit,
- /* mesa-specific extensions */
- slang_asm_float_print,
- slang_asm_int_print,
- slang_asm_bool_print,
- slang_asm__last
+ /* core */
+ slang_asm_none,
+ slang_asm_float_copy,
+ slang_asm_float_move,
+ slang_asm_float_push,
+ slang_asm_float_deref,
+ slang_asm_float_add, /* a = pop(); b = pop(); push(a + b); */
+ slang_asm_float_multiply,
+ slang_asm_float_divide,
+ slang_asm_float_negate, /* push(-pop()) */
+ slang_asm_float_less, /* a = pop(); b = pop(); push(a < b); */
+ slang_asm_float_equal_exp,
+ slang_asm_float_equal_int,
+ slang_asm_float_to_int, /* push(floatToInt(pop())) */
+ slang_asm_float_sine, /* push(sin(pop()) */
+ slang_asm_float_arcsine,
+ slang_asm_float_arctan,
+ slang_asm_float_power, /* push(pow(pop(), pop())) */
+ slang_asm_float_log2,
+ slang_asm_float_floor,
+ slang_asm_float_ceil,
+ slang_asm_float_noise1, /* push(noise1(pop()) */
+ slang_asm_float_noise2, /* push(noise2(pop(), pop())) */
+ slang_asm_float_noise3,
+ slang_asm_float_noise4,
+
+ slang_asm_int_copy,
+ slang_asm_int_move,
+ slang_asm_int_push,
+ slang_asm_int_deref,
+ slang_asm_int_to_float,
+ slang_asm_int_to_addr,
+
+ slang_asm_bool_copy,
+ slang_asm_bool_move,
+ slang_asm_bool_push,
+ slang_asm_bool_deref,
+
+ slang_asm_addr_copy,
+ slang_asm_addr_push,
+ slang_asm_addr_deref,
+ slang_asm_addr_add,
+ slang_asm_addr_multiply,
+
+ slang_asm_vec4_tex1d,
+ slang_asm_vec4_tex2d,
+ slang_asm_vec4_tex3d,
+ slang_asm_vec4_texcube,
+ slang_asm_vec4_shad1d,
+ slang_asm_vec4_shad2d,
+
+ slang_asm_jump,
+ slang_asm_jump_if_zero,
+
+ slang_asm_enter,
+ slang_asm_leave,
+
+ slang_asm_local_alloc,
+ slang_asm_local_free,
+ slang_asm_local_addr,
+ slang_asm_global_addr,
+
+ slang_asm_call, /* push(ip); jump(inst->param[0]); */
+ slang_asm_return,
+
+ slang_asm_discard,
+ slang_asm_exit,
+ /* GL_MESA_shader_debug */
+ slang_asm_float_print,
+ slang_asm_int_print,
+ slang_asm_bool_print,
+ /* vec4 */
+ slang_asm_float_to_vec4,
+ slang_asm_vec4_add,
+ slang_asm_vec4_subtract,
+ slang_asm_vec4_multiply,
+ slang_asm_vec4_divide,
+ slang_asm_vec4_negate,
+ slang_asm_vec4_dot,
+ slang_asm_vec4_copy,
+ slang_asm_vec4_deref,
+ slang_asm_vec4_equal_int,
+ /* not a real assembly instruction */
+ slang_asm__last
} slang_assembly_type;
+
+/**
+ * An assembly-level shader instruction.
+ */
typedef struct slang_assembly_
{
- slang_assembly_type type;
- GLfloat literal;
- GLuint param[2];
+ slang_assembly_type type; /**< The instruction opcode */
+ GLfloat literal; /**< float literal */
+ GLuint param[2]; /**< Two integer/address parameters */
} slang_assembly;
+
+/**
+ * A list of slang_assembly instructions
+ */
typedef struct slang_assembly_file_
{
- slang_assembly *code;
- GLuint count;
- GLuint capacity;
+ slang_assembly *code;
+ GLuint count;
+ GLuint capacity;
} slang_assembly_file;
+
+extern GLvoid
+_slang_assembly_file_ctr(slang_assembly_file *);
+
extern GLvoid
-_slang_assembly_file_ctr (slang_assembly_file *);
+slang_assembly_file_destruct(slang_assembly_file *);
+
+extern GLboolean
+slang_assembly_file_push(slang_assembly_file *, slang_assembly_type);
+
+extern GLboolean
+slang_assembly_file_push_label(slang_assembly_file *,
+ slang_assembly_type, GLuint);
+
+extern GLboolean
+slang_assembly_file_push_label2(slang_assembly_file *, slang_assembly_type,
+ GLuint, GLuint);
+
+extern GLboolean
+slang_assembly_file_push_literal(slang_assembly_file *,
+ slang_assembly_type, GLfloat);
-GLvoid slang_assembly_file_destruct (slang_assembly_file *);
-GLboolean slang_assembly_file_push (slang_assembly_file *, slang_assembly_type);
-GLboolean slang_assembly_file_push_label (slang_assembly_file *, slang_assembly_type, GLuint);
-GLboolean slang_assembly_file_push_label2 (slang_assembly_file *, slang_assembly_type, GLuint, GLuint);
-GLboolean slang_assembly_file_push_literal (slang_assembly_file *, slang_assembly_type, GLfloat);
typedef struct slang_assembly_file_restore_point_
{
- GLuint count;
+ GLuint count;
} slang_assembly_file_restore_point;
-GLboolean slang_assembly_file_restore_point_save (slang_assembly_file *,
- slang_assembly_file_restore_point *);
-GLboolean slang_assembly_file_restore_point_load (slang_assembly_file *,
- slang_assembly_file_restore_point *);
+
+extern GLboolean
+slang_assembly_file_restore_point_save(slang_assembly_file *,
+ slang_assembly_file_restore_point *);
+
+extern GLboolean
+slang_assembly_file_restore_point_load(slang_assembly_file *,
+ slang_assembly_file_restore_point *);
+
typedef struct slang_assembly_flow_control_
{
- GLuint loop_start; /* for "continue" statement */
- GLuint loop_end; /* for "break" statement */
- GLuint function_end; /* for "return" statement */
+ GLuint loop_start; /**< for "continue" statement */
+ GLuint loop_end; /**< for "break" statement */
+ GLuint function_end; /**< for "return" statement */
} slang_assembly_flow_control;
typedef struct slang_assembly_local_info_
{
- GLuint ret_size;
- GLuint addr_tmp;
- GLuint swizzle_tmp;
+ GLuint ret_size;
+ GLuint addr_tmp;
+ GLuint swizzle_tmp;
} slang_assembly_local_info;
typedef enum
{
- slang_ref_force,
- slang_ref_forbid/*,
- slang_ref_freelance*/
+ slang_ref_force,
+ slang_ref_forbid /**< slang_ref_freelance */
} slang_ref_type;
-/*
- * Holds a 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".
+/**
+ * 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];
+ GLuint num_components;
+ GLuint swizzle[4];
} slang_swizzle;
typedef struct slang_assembly_name_space_
{
- struct slang_function_scope_ *funcs;
- struct slang_struct_scope_ *structs;
- struct slang_variable_scope_ *vars;
+ struct slang_function_scope_ *funcs;
+ struct slang_struct_scope_ *structs;
+ struct slang_variable_scope_ *vars;
} slang_assembly_name_space;
typedef struct slang_assemble_ctx_
{
- slang_assembly_file *file;
- struct slang_machine_ *mach;
- slang_atom_pool *atoms;
- slang_assembly_name_space space;
- slang_assembly_flow_control flow;
- slang_assembly_local_info local;
- slang_ref_type ref;
- slang_swizzle swz;
+ slang_assembly_file *file;
+ struct slang_machine_ *mach;
+ slang_atom_pool *atoms;
+ slang_assembly_name_space space;
+ slang_assembly_flow_control flow;
+ slang_assembly_local_info local;
+ slang_ref_type ref;
+ slang_swizzle swz;
} slang_assemble_ctx;
-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 *);
+extern struct slang_function_ *
+_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 *);
-GLboolean _slang_assemble_function (slang_assemble_ctx *, struct slang_function_ *);
+extern GLboolean
+_slang_assemble_function(slang_assemble_ctx *, struct slang_function_ *);
-GLboolean _slang_cleanup_stack (slang_assemble_ctx *, struct slang_operation_ *);
+extern GLboolean
+_slang_assemble_function2(slang_assemble_ctx * , struct slang_function_ *);
-GLboolean _slang_dereference (slang_assemble_ctx *, struct slang_operation_ *);
+extern GLboolean
+_slang_cleanup_stack(slang_assemble_ctx *, struct slang_operation_ *);
-GLboolean _slang_assemble_function_call (slang_assemble_ctx *, struct slang_function_ *,
- struct slang_operation_ *, GLuint, GLboolean);
+extern GLboolean
+_slang_dereference(slang_assemble_ctx *, struct slang_operation_ *);
-GLboolean _slang_assemble_function_call_name (slang_assemble_ctx *, const char *,
- struct slang_operation_ *, GLuint, GLboolean);
+extern GLboolean
+_slang_assemble_function_call(slang_assemble_ctx *, struct slang_function_ *,
+ struct slang_operation_ *, GLuint, GLboolean);
+
+extern GLboolean
+_slang_assemble_function_call_name(slang_assemble_ctx *, const char *,
+ struct slang_operation_ *, GLuint,
+ GLboolean);
+
+extern GLboolean
+_slang_assemble_operation(slang_assemble_ctx *, struct slang_operation_ *,
+ slang_ref_type);
-GLboolean _slang_assemble_operation (slang_assemble_ctx *, struct slang_operation_ *,
- slang_ref_type);
#ifdef __cplusplus
}
#include "slang_assemble_conditional.h"
#endif
-
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