diff options
Diffstat (limited to 'src/mesa/glapi/glapi.c')
| -rw-r--r-- | src/mesa/glapi/glapi.c | 67 |
1 files changed, 26 insertions, 41 deletions
diff --git a/src/mesa/glapi/glapi.c b/src/mesa/glapi/glapi.c index 70a122eca45..68002055305 100644 --- a/src/mesa/glapi/glapi.c +++ b/src/mesa/glapi/glapi.c @@ -1,8 +1,8 @@ /* * Mesa 3-D graphics library - * Version: 6.3 + * Version: 6.5 * - * Copyright (C) 1999-2003 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2006 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"), @@ -286,14 +286,14 @@ _glapi_get_context(void) /** * Set the global or per-thread dispatch table pointer. + * If the dispatch parameter is NULL we'll plug in the no-op dispatch + * table (__glapi_noop_table). */ PUBLIC void _glapi_set_dispatch(struct _glapi_table *dispatch) { #if defined(PTHREADS) || defined(GLX_USE_TLS) static pthread_once_t once_control = PTHREAD_ONCE_INIT; - - pthread_once( & once_control, init_glapi_relocs ); #endif @@ -326,7 +326,6 @@ PUBLIC struct _glapi_table * _glapi_get_dispatch(void) { struct _glapi_table * api; - #if defined(GLX_USE_TLS) api = _glapi_tls_Dispatch; #elif defined(THREADS) @@ -336,11 +335,16 @@ _glapi_get_dispatch(void) #else api = _glapi_Dispatch; #endif - return api; } + +/*** + *** The rest of this file is pretty much concerned with GetProcAddress + *** functionality. + ***/ + #if !defined( USE_X86_ASM ) && !defined( XFree86Server ) && !defined ( XGLServer ) #define NEED_FUNCTION_POINTER #endif @@ -357,13 +361,10 @@ static const glprocs_table_t * find_entry( const char * n ) { GLuint i; - for (i = 0; static_functions[i].Name_offset >= 0; i++) { - const char * test_name; - - test_name = gl_string_table + static_functions[i].Name_offset; - if (strcmp(test_name, n) == 0) { - return & static_functions[i]; + const char *testName = gl_string_table + static_functions[i].Name_offset; + if (strcmp(testName, n) == 0) { + return &static_functions[i]; } } return NULL; @@ -378,15 +379,14 @@ static GLint get_static_proc_offset(const char *funcName) { const glprocs_table_t * const f = find_entry( funcName ); - - if ( f != NULL ) { + if (f) { return f->Offset; } return -1; } -#if !defined( XFree86Server ) && !defined( XGLServer ) +#if !defined(XFree86Server) && !defined(XGLServer) #ifdef USE_X86_ASM #if defined( GLX_USE_TLS ) @@ -402,41 +402,32 @@ extern const GLubyte gl_dispatch_functions_start[]; # define X86_DISPATCH_FUNCTION_SIZE 16 # endif +#endif /* USE_X86_ASM */ + /** - * Return dispatch function address the named static (built-in) function. + * Return dispatch function address for the named static (built-in) function. * Return NULL if function not found. */ static const _glapi_proc get_static_proc_address(const char *funcName) { const glprocs_table_t * const f = find_entry( funcName ); - - if ( f != NULL ) { + if (f) { +#ifdef USE_X86_ASM return (_glapi_proc) (gl_dispatch_functions_start + (X86_DISPATCH_FUNCTION_SIZE * f->Offset)); +#else + return f->Address; +#endif } else { return NULL; } } -#else - - -/** - * Return pointer to the named static (built-in) function. - * \return NULL if function not found. - */ -static const _glapi_proc -get_static_proc_address(const char *funcName) -{ - const glprocs_table_t * const f = find_entry( funcName ); - return ( f != NULL ) ? f->Address : NULL; -} +#endif /* !defined(XFree86Server) && !defined(XGLServer) */ -#endif /* USE_X86_ASM */ -#endif /* !defined( XFree86Server ) */ /** @@ -447,7 +438,6 @@ static const char * get_static_proc_name( GLuint offset ) { GLuint i; - for (i = 0; static_functions[i].Name_offset >= 0; i++) { if (static_functions[i].Offset == offset) { return gl_string_table + static_functions[i].Name_offset; @@ -577,7 +567,7 @@ generate_entrypoint(GLuint functionOffset) 0x81c0c000, /* jmpl %g3, %g0 */ 0x01000000 /* nop */ }; -#endif +#endif /* __arch64__ */ unsigned int *code = (unsigned int *) malloc(sizeof(insn_template)); unsigned long glapi_addr = (unsigned long) &_glapi_Dispatch; if (code) { @@ -599,7 +589,7 @@ generate_entrypoint(GLuint functionOffset) __glapi_sparc_icache_flush(&code[0]); code[2] |= (functionOffset * 4); __glapi_sparc_icache_flush(&code[2]); -#endif +#endif /* __arch64__ */ } return (_glapi_proc) code; #else @@ -619,7 +609,6 @@ fill_in_entrypoint_offset(_glapi_proc entrypoint, GLuint offset) #if defined(USE_X86_ASM) GLubyte * const code = (GLubyte *) entrypoint; - #if X86_DISPATCH_FUNCTION_SIZE == 32 *((unsigned int *)(code + 11)) = 4 * offset; *((unsigned int *)(code + 22)) = 4 * offset; @@ -809,13 +798,11 @@ _glapi_add_dispatch( const char * const * function_names, } } - if (offset == ~0) { offset = next_dynamic_offset; next_dynamic_offset++; } - for ( i = 0 ; function_names[i] != NULL ; i++ ) { if (! is_static[i] ) { if (entry[i] == NULL) { @@ -827,7 +814,6 @@ _glapi_add_dispatch( const char * const * function_names, } } - entry[i]->parameter_signature = str_dup(real_sig); fill_in_entrypoint_offset(entry[i]->dispatch_stub, offset); entry[i]->dispatch_offset = offset; @@ -851,7 +837,6 @@ _glapi_get_proc_offset(const char *funcName) return ExtEntryTable[i].dispatch_offset; } } - /* search static functions */ return get_static_proc_offset(funcName); } |