diff options
Diffstat (limited to 'src/mesa/glapi/glapi.c')
| -rw-r--r-- | src/mesa/glapi/glapi.c | 109 |
1 files changed, 61 insertions, 48 deletions
diff --git a/src/mesa/glapi/glapi.c b/src/mesa/glapi/glapi.c index 10ec702111c..3c72c3873d3 100644 --- a/src/mesa/glapi/glapi.c +++ b/src/mesa/glapi/glapi.c @@ -1,9 +1,8 @@ - /* * Mesa 3-D graphics library - * Version: 4.1 + * Version: 6.3 * - * Copyright (C) 1999-2002 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2003 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"), @@ -112,9 +111,9 @@ warn(void) return 0 #define DISPATCH_TABLE_NAME __glapi_noop_table -#define UNUSED_TABLE_NAME __usused_noop_functions +#define UNUSED_TABLE_NAME __unused_noop_functions -#define TABLE_ENTRY(name) (void *) NoOp##name +#define TABLE_ENTRY(name) (_glapi_proc) NoOp##name static int NoOpUnused(void) { @@ -169,9 +168,9 @@ static _glthread_TSD ContextTSD; /**< Per-thread context pointer */ #define DISPATCH_TABLE_NAME __glapi_threadsafe_table -#define UNUSED_TABLE_NAME __usused_threadsafe_functions +#define UNUSED_TABLE_NAME __unused_threadsafe_functions -#define TABLE_ENTRY(name) (void *) gl##name +#define TABLE_ENTRY(name) (_glapi_proc) gl##name static int glUnused(void) { @@ -201,7 +200,8 @@ static GLboolean DispatchOverride = GL_FALSE; -/* strdup() is actually not a standard ANSI C or POSIX routine. +/** + * strdup() is actually not a standard ANSI C or POSIX routine. * Irix will not define it if ANSI mode is in effect. */ static char * @@ -217,7 +217,7 @@ str_dup(const char *str) -/* +/** * We should call this periodically from a function such as glXMakeCurrent * in order to test if multiple threads are being used. */ @@ -246,7 +246,7 @@ _glapi_check_multithread(void) -/* +/** * Set the current context pointer for this thread. * The context pointer is an opaque type which should be cast to * void from the real context pointer type. @@ -254,7 +254,9 @@ _glapi_check_multithread(void) void _glapi_set_context(void *context) { + (void) __unused_noop_functions; /* silence a warning */ #if defined(THREADS) + (void) __unused_threadsafe_functions; /* silence a warning */ _glthread_SetTSD(&ContextTSD, context); _glapi_Context = (ThreadSafe) ? NULL : context; #else @@ -264,7 +266,7 @@ _glapi_set_context(void *context) -/* +/** * Get the current context pointer for this thread. * The context pointer is an opaque type which should be cast from * void to the real context pointer type. @@ -286,7 +288,7 @@ _glapi_get_context(void) -/* +/** * Set the global or per-thread dispatch table pointer. */ void @@ -334,7 +336,7 @@ _glapi_set_dispatch(struct _glapi_table *dispatch) -/* +/** * Return pointer to current dispatch table for calling thread. */ struct _glapi_table * @@ -450,13 +452,6 @@ _glapi_get_override_dispatch(int layer) } -struct name_address_offset { - const char *Name; - GLvoid *Address; - GLuint Offset; -}; - - #if !defined( USE_X86_ASM ) #define NEED_FUNCTION_POINTER #endif @@ -465,6 +460,10 @@ struct name_address_offset { #include "glprocs.h" +/** + * Search the table of static entrypoint functions for the named function + * and return the corresponding glprocs_table_t entry. + */ static const glprocs_table_t * find_entry( const char * n ) { @@ -481,7 +480,8 @@ find_entry( const char * n ) return NULL; } -/* + +/** * Return dispatch table offset of the named static (built-in) function. * Return -1 if function not found. */ @@ -507,7 +507,7 @@ extern const GLubyte gl_dispatch_functions_start[]; # endif -/* +/** * Return dispatch function address the named static (built-in) function. * Return NULL if function not found. */ @@ -528,11 +528,11 @@ get_static_proc_address(const char *funcName) #else -/* - * Return dispatch function address the named static (built-in) function. - * Return NULL if function not found. +/** + * Return pointer to the named static (built-in) function. + * \return NULL if function not found. */ -static const GLvoid * +static const _glapi_proc get_static_proc_address(const char *funcName) { const glprocs_table_t * const f = find_entry( funcName ); @@ -542,6 +542,10 @@ get_static_proc_address(const char *funcName) #endif /* USE_X86_ASM */ +/** + * Return the name of the function at the given offset in the dispatch + * table. For debugging only. + */ static const char * get_static_proc_name( GLuint offset ) { @@ -568,7 +572,7 @@ get_static_proc_name( GLuint offset ) /* - * The disptach table size (number of entries) is the sizeof the + * The dispatch table size (number of entries) is the size of the * _glapi_table struct plus the number of dynamic entries we can add. * The extra slots can be filled in by DRI drivers that register new extension * functions. @@ -576,6 +580,13 @@ get_static_proc_name( GLuint offset ) #define DISPATCH_TABLE_SIZE (sizeof(struct _glapi_table) / sizeof(void *) + MAX_EXTENSION_FUNCS) +struct name_address_offset { + const char *Name; + _glapi_proc Address; + GLuint Offset; +}; + + static struct name_address_offset ExtEntryTable[MAX_EXTENSION_FUNCS]; static GLuint NumExtEntryPoints = 0; @@ -583,12 +594,12 @@ static GLuint NumExtEntryPoints = 0; extern void __glapi_sparc_icache_flush(unsigned int *); #endif -/* +/** * Generate a dispatch function (entrypoint) which jumps through * the given slot number (offset) in the current dispatch table. * We need assembly language in order to accomplish this. */ -static void * +static _glapi_proc generate_entrypoint(GLuint functionOffset) { #if defined(USE_X86_ASM) @@ -631,7 +642,7 @@ generate_entrypoint(GLuint functionOffset) *(unsigned int *)(code + 0x10) = (unsigned int)_glapi_get_dispatch - next_insn; *(unsigned int *)(code + 0x16) = (unsigned int)functionOffset * 4; } - return code; + return (_glapi_proc) code; #elif defined(USE_SPARC_ASM) #if (defined(__sparc_v9__) && (!defined(__linux__) || defined(__linux_sparc_64__))) @@ -680,7 +691,7 @@ generate_entrypoint(GLuint functionOffset) __glapi_sparc_icache_flush(&code[2]); #endif } - return code; + return (_glapi_proc) code; #else (void) functionOffset; return NULL; @@ -688,12 +699,12 @@ generate_entrypoint(GLuint functionOffset) } -/* +/** * This function inserts a new dispatch offset into the assembly language * stub that was generated with the preceeding function. */ static void -fill_in_entrypoint_offset(void *entrypoint, GLuint offset) +fill_in_entrypoint_offset(_glapi_proc entrypoint, GLuint offset) { #if defined(USE_X86_ASM) @@ -727,7 +738,7 @@ fill_in_entrypoint_offset(void *entrypoint, GLuint offset) } -/* +/** * Add a new extension function entrypoint. * Return: GL_TRUE = success or GL_FALSE = failure */ @@ -783,7 +794,7 @@ _glapi_add_entrypoint(const char *funcName, GLuint offset) return GL_FALSE; } else { - void *entrypoint = generate_entrypoint(offset); + _glapi_proc entrypoint = generate_entrypoint(offset); if (!entrypoint) return GL_FALSE; /* couldn't generate assembly */ @@ -801,7 +812,7 @@ _glapi_add_entrypoint(const char *funcName, GLuint offset) } -/* +/** * Return offset of entrypoint for named function within dispatch table. */ GLint @@ -821,10 +832,12 @@ _glapi_get_proc_offset(const char *funcName) -/* - * Return entrypoint for named function. +/** + * Return pointer to the named function. If the function name isn't found + * in the name of static functions, try generating a new API entrypoint on + * the fly with assembly language. */ -const GLvoid * +const _glapi_proc _glapi_get_proc_address(const char *funcName) { GLuint i; @@ -846,7 +859,7 @@ _glapi_get_proc_address(const char *funcName) /* search static functions */ { - const GLvoid *func = get_static_proc_address(funcName); + const _glapi_proc func = get_static_proc_address(funcName); if (func) return func; } @@ -858,7 +871,7 @@ _glapi_get_proc_address(const char *funcName) * when you try calling a GL function that doesn't really exist. */ if (NumExtEntryPoints < MAX_EXTENSION_FUNCS) { - GLvoid *entrypoint = generate_entrypoint(~0); + _glapi_proc entrypoint = generate_entrypoint(~0); if (!entrypoint) return GL_FALSE; @@ -877,7 +890,7 @@ _glapi_get_proc_address(const char *funcName) -/* +/** * Return the name of the function at the given dispatch offset. * This is only intended for debugging. */ @@ -904,7 +917,7 @@ _glapi_get_proc_name(GLuint offset) -/* +/** * Return size of dispatch table struct as number of functions (or * slots). */ @@ -916,7 +929,7 @@ _glapi_get_dispatch_table_size(void) -/* +/** * Get API dispatcher version string. */ const char * @@ -927,7 +940,7 @@ _glapi_get_version(void) -/* +/** * Make sure there are no NULL pointers in the given dispatch table. * Intended for debugging purposes. */ @@ -993,7 +1006,7 @@ _glapi_check_table(const struct _glapi_table *table) GLuint offset = (secondaryColor3fFunc - (char *) table) / sizeof(void *); assert(secondaryColor3fOffset == _gloffset_SecondaryColor3fEXT); assert(secondaryColor3fOffset == offset); - assert(_glapi_get_proc_address("glSecondaryColor3fEXT") == (void *) &glSecondaryColor3fEXT); + assert(_glapi_get_proc_address("glSecondaryColor3fEXT") == (_glapi_proc) &glSecondaryColor3fEXT); } { GLuint pointParameterivOffset = _glapi_get_proc_offset("glPointParameterivNV"); @@ -1001,7 +1014,7 @@ _glapi_check_table(const struct _glapi_table *table) GLuint offset = (pointParameterivFunc - (char *) table) / sizeof(void *); assert(pointParameterivOffset == _gloffset_PointParameterivNV); assert(pointParameterivOffset == offset); - assert(_glapi_get_proc_address("glPointParameterivNV") == (void *) &glPointParameterivNV); + assert(_glapi_get_proc_address("glPointParameterivNV") == &glPointParameterivNV); } { GLuint setFenceOffset = _glapi_get_proc_offset("glSetFenceNV"); @@ -1009,7 +1022,7 @@ _glapi_check_table(const struct _glapi_table *table) GLuint offset = (setFenceFunc - (char *) table) / sizeof(void *); assert(setFenceOffset == _gloffset_SetFenceNV); assert(setFenceOffset == offset); - assert(_glapi_get_proc_address("glSetFenceNV") == (void *) &glSetFenceNV); + assert(_glapi_get_proc_address("glSetFenceNV") == &glSetFenceNV); } #else (void) table; |