-
/*
* 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"),
/*
* Enable/disable printing of warning messages.
*/
-void
+PUBLIC void
_glapi_noop_enable_warnings(GLboolean enable)
{
WarnFlag = enable;
/*
* Register a callback function for reporting errors.
*/
-void
+PUBLIC void
_glapi_set_warning_func( _glapi_warning_func func )
{
warning_func = func;
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)
+static GLint NoOpUnused(void)
{
if (warn()) {
warning_func(NULL, "GL User Error: calling extension function without a current context\n");
#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)
+static GLint glUnused(void)
{
return 0;
}
-struct _glapi_table *_glapi_Dispatch = (struct _glapi_table *) __glapi_noop_table;
+PUBLIC struct _glapi_table *_glapi_Dispatch = (struct _glapi_table *) __glapi_noop_table;
#if defined( THREADS )
-struct _glapi_table *_glapi_DispatchTSD = (struct _glapi_table *) __glapi_noop_table;
+PUBLIC struct _glapi_table *_glapi_DispatchTSD = (struct _glapi_table *) __glapi_noop_table;
#endif
-struct _glapi_table *_glapi_RealDispatch = (struct _glapi_table *) __glapi_noop_table;
+PUBLIC struct _glapi_table *_glapi_RealDispatch = (struct _glapi_table *) __glapi_noop_table;
/* Used when thread safety disabled */
-void *_glapi_Context = NULL;
+PUBLIC void *_glapi_Context = NULL;
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 *
-/*
+/**
* We should call this periodically from a function such as glXMakeCurrent
* in order to test if multiple threads are being used.
*/
-void
+PUBLIC void
_glapi_check_multithread(void)
{
#if defined(THREADS)
-/*
+/**
* 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.
*/
-void
+PUBLIC 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
-/*
+/**
* 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.
*/
-void *
+PUBLIC void *
_glapi_get_context(void)
{
#if defined(THREADS)
-/*
+/**
* Set the global or per-thread dispatch table pointer.
*/
-void
+PUBLIC void
_glapi_set_dispatch(struct _glapi_table *dispatch)
{
if (!dispatch) {
-/*
+/**
* Return pointer to current dispatch table for calling thread.
*/
-struct _glapi_table *
+PUBLIC struct _glapi_table *
_glapi_get_dispatch(void)
{
#if defined(THREADS)
/*
* Return: dispatch override layer number.
*/
-int
+PUBLIC int
_glapi_begin_dispatch_override(struct _glapi_table *override)
{
struct _glapi_table *real = _glapi_get_dispatch();
}
-void
+PUBLIC void
_glapi_end_dispatch_override(int layer)
{
struct _glapi_table *real = _glapi_get_dispatch();
}
-struct _glapi_table *
+PUBLIC struct _glapi_table *
_glapi_get_override_dispatch(int layer)
{
if (layer == 0) {
}
-struct name_address_offset {
- const char *Name;
- GLvoid *Address;
- GLuint Offset;
-};
-
-
#if !defined( USE_X86_ASM )
#define NEED_FUNCTION_POINTER
#endif
#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 )
{
- unsigned i;
+ GLuint i;
- for ( i = 0 ; static_functions[i].Name_offset >= 0 ; 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;
return NULL;
}
-/*
+
+/**
* Return dispatch table offset of the named static (built-in) function.
* Return -1 if function not found.
*/
# endif
-/*
+/**
* Return dispatch function address 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 );
if ( f != NULL ) {
- return gl_dispatch_functions_start
- + (X86_DISPATCH_FUNCTION_SIZE * f->Offset);
+ return (_glapi_proc) (gl_dispatch_functions_start
+ + (X86_DISPATCH_FUNCTION_SIZE * f->Offset));
}
else {
return NULL;
#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 );
#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 )
{
- unsigned i;
+ GLuint i;
- for ( i = 0 ; static_functions[i].Name_offset >= 0 ; 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;
}
/*
- * 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.
#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;
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)
*(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__)
+#if (defined(__sparc_v9__) && (!defined(__linux__) || defined(__linux_sparc_64__)))
static const unsigned int insn_template[] = {
0x05000000, /* sethi %uhi(_glapi_Dispatch), %g2 */
0x03000000, /* sethi %hi(_glapi_Dispatch), %g1 */
if (code) {
memcpy(code, insn_template, sizeof(insn_template));
-#if defined(__sparc_v9__) && !defined(__linux__)
+#if (defined(__sparc_v9__) && (!defined(__linux__) || defined(__linux_sparc_64__)))
code[0] |= (glapi_addr >> (32 + 10));
code[1] |= ((glapi_addr & 0xffffffff) >> 10);
__glapi_sparc_icache_flush(&code[0]);
__glapi_sparc_icache_flush(&code[2]);
#endif
}
- return code;
+ return (_glapi_proc) code;
#else
(void) functionOffset;
return NULL;
}
-/*
+/**
* 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)
/* XXX this hasn't been tested! */
unsigned int *code = (unsigned int *) entrypoint;
-#if defined(__sparc_v9__) && !defined(__linux__)
+#if (defined(__sparc_v9__) && (!defined(__linux__) || defined(__linux_sparc_64__)))
code[6] = 0x05000000; /* sethi %hi(8 * glapioffset), %g2 */
code[7] = 0x8410a000; /* or %g2, %lo(8 * glapioffset), %g2 */
code[6] |= ((offset * 8) >> 10);
}
-/*
+/**
* Add a new extension function entrypoint.
* Return: GL_TRUE = success or GL_FALSE = failure
*/
-GLboolean
+PUBLIC GLboolean
_glapi_add_entrypoint(const char *funcName, GLuint offset)
{
/* trivial rejection test */
return GL_FALSE;
}
else {
- void *entrypoint = generate_entrypoint(offset);
+ _glapi_proc entrypoint = generate_entrypoint(offset);
if (!entrypoint)
return GL_FALSE; /* couldn't generate assembly */
}
-/*
+/**
* Return offset of entrypoint for named function within dispatch table.
*/
-GLint
+PUBLIC GLint
_glapi_get_proc_offset(const char *funcName)
{
/* search extension functions first */
-/*
- * 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 *
+PUBLIC const _glapi_proc
_glapi_get_proc_address(const char *funcName)
{
GLuint i;
/* search static functions */
{
- const GLvoid *func = get_static_proc_address(funcName);
+ const _glapi_proc func = get_static_proc_address(funcName);
if (func)
return func;
}
* 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;
-/*
+/**
* Return the name of the function at the given dispatch offset.
* This is only intended for debugging.
*/
-const char *
+PUBLIC const char *
_glapi_get_proc_name(GLuint offset)
{
GLuint i;
-/*
+/**
* Return size of dispatch table struct as number of functions (or
* slots).
*/
-GLuint
+PUBLIC GLuint
_glapi_get_dispatch_table_size(void)
{
return DISPATCH_TABLE_SIZE;
-/*
+/**
* Get API dispatcher version string.
*/
-const char *
+PUBLIC const char *
_glapi_get_version(void)
{
return "20021001"; /* YYYYMMDD */
-/*
+/**
* Make sure there are no NULL pointers in the given dispatch table.
* Intended for debugging purposes.
*/
-void
+PUBLIC void
_glapi_check_table(const struct _glapi_table *table)
{
#ifdef DEBUG
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");
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") == (_glapi_proc) &glPointParameterivNV);
}
{
GLuint setFenceOffset = _glapi_get_proc_offset("glSetFenceNV");
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") == (_glapi_proc) &glSetFenceNV);
}
#else
(void) table;
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