tree builds

1 files changed, 0 insertions, 460 deletions

diff --git a/src/mesa/glapi/glapi.c b/src/mesa/glapi/glapi.c
index 3858a4d42b2..53efd7eef47 100644
--- a/src/mesa/glapi/glapi.c
+++ b/src/mesa/glapi/glapi.c
@@ -50,23 +50,7 @@
 
 
 
-#ifdef HAVE_DIX_CONFIG_H
-
-#include <dix-config.h>
-#define PUBLIC
-
-#else
-
 #include "main/glheader.h"
-
-#endif
-
-#include <stdlib.h>
-#include <string.h>
-#ifdef DEBUG
-#include <assert.h>
-#endif
-
 #include "glapi.h"
 #include "glapioffsets.h"
 #include "glapitable.h"
@@ -389,450 +373,6 @@ _glapi_get_dispatch(void)
 
 
 /**
- * Track information about a function added to the GL API.
- */
-struct _glapi_function {
-   /**
-    * Name of the function.
-    */
-   const char * name;
-
-
-   /**
-    * Text string that describes the types of the parameters passed to the
-    * named function.   Parameter types are converted to characters using the
-    * following rules:
-    *   - 'i' for \c GLint, \c GLuint, and \c GLenum
-    *   - 'p' for any pointer type
-    *   - 'f' for \c GLfloat and \c GLclampf
-    *   - 'd' for \c GLdouble and \c GLclampd
-    */
-   const char * parameter_signature;
-
-
-   /**
-    * Offset in the dispatch table where the pointer to the real function is
-    * located.  If the driver has not requested that the named function be
-    * added to the dispatch table, this will have the value ~0.
-    */
-   unsigned dispatch_offset;
-
-
-   /**
-    * Pointer to the dispatch stub for the named function.
-    * 
-    * \todo
-    * The semantic of this field should be changed slightly.  Currently, it
-    * is always expected to be non-\c NULL.  However, it would be better to
-    * only allocate the entry-point stub when the application requests the
-    * function via \c glXGetProcAddress.  This would save memory for all the
-    * functions that the driver exports but that the application never wants
-    * to call.
-    */
-   _glapi_proc dispatch_stub;
-};
-
-
-static struct _glapi_function ExtEntryTable[MAX_EXTENSION_FUNCS];
-static GLuint NumExtEntryPoints = 0;
-
-#ifdef USE_SPARC_ASM
-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 _glapi_proc
-generate_entrypoint(GLuint functionOffset)
-{
-#if defined(USE_X86_ASM)
-   /* 32 is chosen as something of a magic offset.  For x86, the dispatch
-    * at offset 32 is the first one where the offset in the
-    * "jmp OFFSET*4(%eax)" can't be encoded in a single byte.
-    */
-   const GLubyte * const template_func = gl_dispatch_functions_start 
-     + (DISPATCH_FUNCTION_SIZE * 32);
-   GLubyte * const code = (GLubyte *) malloc(DISPATCH_FUNCTION_SIZE);
-
-
-   if ( code != NULL ) {
-      (void) memcpy(code, template_func, DISPATCH_FUNCTION_SIZE);
-      fill_in_entrypoint_offset( (_glapi_proc) code, functionOffset );
-   }
-
-   return (_glapi_proc) code;
-#elif defined(USE_SPARC_ASM)
-
-#ifdef __arch64__
-   static const unsigned int insn_template[] = {
-	   0x05000000,	/* sethi	%uhi(_glapi_Dispatch), %g2	*/
-	   0x03000000,	/* sethi	%hi(_glapi_Dispatch), %g1	*/
-	   0x8410a000,	/* or		%g2, %ulo(_glapi_Dispatch), %g2	*/
-	   0x82106000,	/* or		%g1, %lo(_glapi_Dispatch), %g1	*/
-	   0x8528b020,	/* sllx		%g2, 32, %g2			*/
-	   0xc2584002,	/* ldx		[%g1 + %g2], %g1		*/
-	   0x05000000,	/* sethi	%hi(8 * glapioffset), %g2	*/
-	   0x8410a000,	/* or		%g2, %lo(8 * glapioffset), %g2	*/
-	   0xc6584002,	/* ldx		[%g1 + %g2], %g3		*/
-	   0x81c0c000,	/* jmpl		%g3, %g0			*/
-	   0x01000000	/*  nop						*/
-   };
-#else
-   static const unsigned int insn_template[] = {
-	   0x03000000,	/* sethi	%hi(_glapi_Dispatch), %g1	  */
-	   0xc2006000,	/* ld		[%g1 + %lo(_glapi_Dispatch)], %g1 */
-	   0xc6006000,	/* ld		[%g1 + %lo(4*glapioffset)], %g3	  */
-	   0x81c0c000,	/* jmpl		%g3, %g0			  */
-	   0x01000000	/*  nop						  */
-   };
-#endif /* __arch64__ */
-   unsigned int *code = (unsigned int *) malloc(sizeof(insn_template));
-   unsigned long glapi_addr = (unsigned long) &_glapi_Dispatch;
-   if (code) {
-      memcpy(code, insn_template, sizeof(insn_template));
-
-#ifdef __arch64__
-      code[0] |= (glapi_addr >> (32 + 10));
-      code[1] |= ((glapi_addr & 0xffffffff) >> 10);
-      __glapi_sparc_icache_flush(&code[0]);
-      code[2] |= ((glapi_addr >> 32) & ((1 << 10) - 1));
-      code[3] |= (glapi_addr & ((1 << 10) - 1));
-      __glapi_sparc_icache_flush(&code[2]);
-      code[6] |= ((functionOffset * 8) >> 10);
-      code[7] |= ((functionOffset * 8) & ((1 << 10) - 1));
-      __glapi_sparc_icache_flush(&code[6]);
-#else
-      code[0] |= (glapi_addr >> 10);
-      code[1] |= (glapi_addr & ((1 << 10) - 1));
-      __glapi_sparc_icache_flush(&code[0]);
-      code[2] |= (functionOffset * 4);
-      __glapi_sparc_icache_flush(&code[2]);
-#endif /* __arch64__ */
-   }
-   return (_glapi_proc) code;
-#else
-   (void) functionOffset;
-   return NULL;
-#endif /* USE_*_ASM */
-}
-
-
-/**
- * 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(_glapi_proc entrypoint, GLuint offset)
-{
-#if defined(USE_X86_ASM)
-   GLubyte * const code = (GLubyte *) entrypoint;
-
-#if DISPATCH_FUNCTION_SIZE == 32
-   *((unsigned int *)(code + 11)) = 4 * offset;
-   *((unsigned int *)(code + 22)) = 4 * offset;
-#elif DISPATCH_FUNCTION_SIZE == 16 && defined( GLX_USE_TLS )
-   *((unsigned int *)(code +  8)) = 4 * offset;
-#elif DISPATCH_FUNCTION_SIZE == 16
-   *((unsigned int *)(code +  7)) = 4 * offset;
-#else
-# error Invalid DISPATCH_FUNCTION_SIZE!
-#endif
-
-#elif defined(USE_SPARC_ASM)
-
-   /* XXX this hasn't been tested! */
-   unsigned int *code = (unsigned int *) entrypoint;
-#ifdef __arch64__
-   code[6] = 0x05000000;  /* sethi	%hi(8 * glapioffset), %g2	*/
-   code[7] = 0x8410a000;  /* or		%g2, %lo(8 * glapioffset), %g2	*/
-   code[6] |= ((offset * 8) >> 10);
-   code[7] |= ((offset * 8) & ((1 << 10) - 1));
-   __glapi_sparc_icache_flush(&code[6]);
-#else /* __arch64__ */
-   code[2] = 0xc6006000;  /* ld		[%g1 + %lo(4*glapioffset)], %g3	  */
-   code[2] |= (offset * 4);
-   __glapi_sparc_icache_flush(&code[2]);
-#endif /* __arch64__ */
-
-#else
-
-   /* an unimplemented architecture */
-   (void) entrypoint;
-   (void) offset;
-
-#endif /* USE_*_ASM */
-}
-
-
-/**
- * Generate new entrypoint
- *
- * Use a temporary dispatch offset of ~0 (i.e. -1).  Later, when the driver
- * calls \c _glapi_add_dispatch we'll put in the proper offset.  If that
- * never happens, and the user calls this function, he'll segfault.  That's
- * what you get when you try calling a GL function that doesn't really exist.
- * 
- * \param funcName  Name of the function to create an entry-point for.
- * 
- * \sa _glapi_add_entrypoint
- */
-
-static struct _glapi_function *
-add_function_name( const char * funcName )
-{
-   struct _glapi_function * entry = NULL;
-   
-   if (NumExtEntryPoints < MAX_EXTENSION_FUNCS) {
-      _glapi_proc entrypoint = generate_entrypoint(~0);
-      if (entrypoint != NULL) {
-	 entry = & ExtEntryTable[NumExtEntryPoints];
-
-	 ExtEntryTable[NumExtEntryPoints].name = str_dup(funcName);
-	 ExtEntryTable[NumExtEntryPoints].parameter_signature = NULL;
-	 ExtEntryTable[NumExtEntryPoints].dispatch_offset = ~0;
-	 ExtEntryTable[NumExtEntryPoints].dispatch_stub = entrypoint;
-	 NumExtEntryPoints++;
-      }
-   }
-
-   return entry;
-}
-
-
-/**
- * Fill-in the dispatch stub for the named function.
- * 
- * This function is intended to be called by a hardware driver.  When called,
- * a dispatch stub may be created created for the function.  A pointer to this
- * dispatch function will be returned by glXGetProcAddress.
- *
- * \param function_names       Array of pointers to function names that should
- *                             share a common dispatch offset.
- * \param parameter_signature  String representing the types of the parameters
- *                             passed to the named function.  Parameter types
- *                             are converted to characters using the following
- *                             rules:
- *                               - 'i' for \c GLint, \c GLuint, and \c GLenum
- *                               - 'p' for any pointer type
- *                               - 'f' for \c GLfloat and \c GLclampf
- *                               - 'd' for \c GLdouble and \c GLclampd
- *
- * \returns
- * The offset in the dispatch table of the named function.  A pointer to the
- * driver's implementation of the named function should be stored at
- * \c dispatch_table[\c offset].  Return -1 if error/problem.
- *
- * \sa glXGetProcAddress
- *
- * \warning
- * This function can only handle up to 8 names at a time.  As far as I know,
- * the maximum number of names ever associated with an existing GL function is
- * 4 (\c glPointParameterfSGIS, \c glPointParameterfEXT,
- * \c glPointParameterfARB, and \c glPointParameterf), so this should not be
- * too painful of a limitation.
- *
- * \todo
- * Determine whether or not \c parameter_signature should be allowed to be
- * \c NULL.  It doesn't seem like much of a hardship for drivers to have to
- * pass in an empty string.
- *
- * \todo
- * Determine if code should be added to reject function names that start with
- * 'glX'.
- * 
- * \bug
- * Add code to compare \c parameter_signature with the parameter signature of
- * a static function.  In order to do that, we need to find a way to \b get
- * the parameter signature of a static function.
- */
-
-PUBLIC int
-_glapi_add_dispatch( const char * const * function_names,
-		     const char * parameter_signature )
-{
-   static int next_dynamic_offset = _gloffset_FIRST_DYNAMIC;
-   const char * const real_sig = (parameter_signature != NULL)
-     ? parameter_signature : "";
-   struct _glapi_function * entry[8];
-   GLboolean is_static[8];
-   unsigned i;
-   unsigned j;
-   int offset = ~0;
-   int new_offset;
-
-
-   (void) memset( is_static, 0, sizeof( is_static ) );
-   (void) memset( entry, 0, sizeof( entry ) );
-
-   for ( i = 0 ; function_names[i] != NULL ; i++ ) {
-      /* Do some trivial validation on the name of the function.
-       */
-
-      if (!function_names[i] || function_names[i][0] != 'g' || function_names[i][1] != 'l')
-         return -1;
-   
-      /* Determine if the named function already exists.  If the function does
-       * exist, it must have the same parameter signature as the function
-       * being added.
-       */
-
-      new_offset = get_static_proc_offset(function_names[i]);
-      if (new_offset >= 0) {
-	 /* FIXME: Make sure the parameter signatures match!  How do we get
-	  * FIXME: the parameter signature for static functions?
-	  */
-
-	 if ( (offset != ~0) && (new_offset != offset) ) {
-	    return -1;
-	 }
-
-	 is_static[i] = GL_TRUE;
-	 offset = new_offset;
-      }
-   
-   
-      for ( j = 0 ; j < NumExtEntryPoints ; j++ ) {
-	 if (strcmp(ExtEntryTable[j].name, function_names[i]) == 0) {
-	    /* The offset may be ~0 if the function name was added by
-	     * glXGetProcAddress but never filled in by the driver.
-	     */
-
-	    if (ExtEntryTable[j].dispatch_offset != ~0) {
-	       if (strcmp(real_sig, ExtEntryTable[j].parameter_signature) 
-		   != 0) {
-		  return -1;
-	       }
-
-	       if ( (offset != ~0) && (ExtEntryTable[j].dispatch_offset != offset) ) {
-		  return -1;
-	       }
-
-	       offset = ExtEntryTable[j].dispatch_offset;
-	    }
-	    
-	    entry[i] = & ExtEntryTable[j];
-	    break;
-	 }
-      }
-   }
-
-   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) {
-	    entry[i] = add_function_name( function_names[i] );
-	    if (entry[i] == NULL) {
-	       /* FIXME: Possible memory leak here.
-		*/
-	       return -1;
-	    }
-	 }
-
-	 entry[i]->parameter_signature = str_dup(real_sig);
-	 fill_in_entrypoint_offset(entry[i]->dispatch_stub, offset);
-	 entry[i]->dispatch_offset = offset;
-      }
-   }
-   
-   return offset;
-}
-
-
-/**
- * Return offset of entrypoint for named function within dispatch table.
- */
-PUBLIC GLint
-_glapi_get_proc_offset(const char *funcName)
-{
-   /* search extension functions first */
-   GLuint i;
-   for (i = 0; i < NumExtEntryPoints; i++) {
-      if (strcmp(ExtEntryTable[i].name, funcName) == 0) {
-         return ExtEntryTable[i].dispatch_offset;
-      }
-   }
-   /* search static functions */
-   return get_static_proc_offset(funcName);
-}
-
-
-
-/**
- * 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.
- */
-_glapi_proc
-_glapi_get_proc_address(const char *funcName)
-{
-   struct _glapi_function * entry;
-   GLuint i;
-
-#ifdef MANGLE
-   if (funcName[0] != 'm' || funcName[1] != 'g' || funcName[2] != 'l')
-      return NULL;
-#else
-   if (funcName[0] != 'g' || funcName[1] != 'l')
-      return NULL;
-#endif
-
-   /* search extension functions first */
-   for (i = 0; i < NumExtEntryPoints; i++) {
-      if (strcmp(ExtEntryTable[i].name, funcName) == 0) {
-         return ExtEntryTable[i].dispatch_stub;
-      }
-   }
-
-#if !defined( XFree86Server ) && !defined( XGLServer )
-   /* search static functions */
-   {
-      const _glapi_proc func = get_static_proc_address(funcName);
-      if (func)
-         return func;
-   }
-#endif /* !defined( XFree86Server ) */
-
-   entry = add_function_name(funcName);
-   return (entry == NULL) ? NULL : entry->dispatch_stub;
-}
-
-
-
-/**
- * Return the name of the function at the given dispatch offset.
- * This is only intended for debugging.
- */
-const char *
-_glapi_get_proc_name(GLuint offset)
-{
-   GLuint i;
-   const char * n;
-
-   /* search built-in functions */
-   n = get_static_proc_name(offset);
-   if ( n != NULL ) {
-      return n;
-   }
-
-   /* search added extension functions */
-   for (i = 0; i < NumExtEntryPoints; i++) {
-      if (ExtEntryTable[i].dispatch_offset == offset) {
-         return ExtEntryTable[i].name;
-      }
-   }
-   return NULL;
-}
-
-
-
-/**
  * Return size of dispatch table struct as number of functions (or
  * slots).
  */