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  1. /*
  2.  * Mesa 3-D graphics library
  3.  *
  4.  * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
  5.  *
  6.  * Permission is hereby granted, free of charge, to any person obtaining a
  7.  * copy of this software and associated documentation files (the "Software"),
  8.  * to deal in the Software without restriction, including without limitation
  9.  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10.  * and/or sell copies of the Software, and to permit persons to whom the
  11.  * Software is furnished to do so, subject to the following conditions:
  12.  *
  13.  * The above copyright notice and this permission notice shall be included
  14.  * in all copies or substantial portions of the Software.
  15.  *
  16.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  17.  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19.  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20.  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21.  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22.  * OTHER DEALINGS IN THE SOFTWARE.
  23.  */
  24.  
  25.  
  26. #ifndef _GLAPI_PRIV_H
  27. #define _GLAPI_PRIV_H
  28.  
  29. #include <stdlib.h>
  30. #include <string.h>
  31. #include <stdio.h>
  32.  
  33. #ifdef HAVE_DIX_CONFIG_H
  34. #include <dix-config.h>
  35. #include "glapi/mesa.h"
  36. #else /* HAVE_DIX_CONFIG_H */
  37. #define GL_GLEXT_PROTOTYPES
  38. #include "GL/gl.h"
  39. #include "GL/glext.h"
  40.  
  41. #ifndef GL_OES_fixed_point
  42. typedef int GLfixed;
  43. #endif
  44. typedef int GLclampx;
  45.  
  46. #ifndef GL_OES_EGL_image
  47. typedef void *GLeglImageOES;
  48. #endif
  49.  
  50. #endif /* HAVE_DIX_CONFIG_H */
  51.  
  52. #include "glapi/glapi.h"
  53.  
  54.  
  55. /* getproc */
  56.  
  57. extern void
  58. _glapi_check_table_not_null(const struct _glapi_table *table);
  59.  
  60.  
  61. extern void
  62. _glapi_check_table(const struct _glapi_table *table);
  63.  
  64.  
  65. /* entrypoint */
  66.  
  67. extern void
  68. init_glapi_relocs_once(void);
  69.  
  70.  
  71. extern _glapi_proc
  72. generate_entrypoint(unsigned int functionOffset);
  73.  
  74.  
  75. extern void
  76. fill_in_entrypoint_offset(_glapi_proc entrypoint, unsigned int offset);
  77.  
  78.  
  79. extern _glapi_proc
  80. get_entrypoint_address(unsigned int functionOffset);
  81.  
  82.  
  83. /**
  84.  * Size (in bytes) of dispatch function (entrypoint).
  85.  */
  86. #if defined(USE_X86_ASM)
  87. # if defined(GLX_USE_TLS)
  88. #  define DISPATCH_FUNCTION_SIZE  16
  89. # elif defined(THREADS)
  90. #  define DISPATCH_FUNCTION_SIZE  32
  91. # else
  92. #  define DISPATCH_FUNCTION_SIZE  16
  93. # endif
  94. #endif
  95.  
  96. #if defined(USE_X64_64_ASM)
  97. # if defined(GLX_USE_TLS)
  98. #  define DISPATCH_FUNCTION_SIZE  16
  99. # endif
  100. #endif
  101.  
  102.  
  103. /**
  104.  * Number of extension functions which we can dynamically add at runtime.
  105.  *
  106.  * Number of extension functions is also subject to the size of backing exec
  107.  * mem we allocate. For the common case of dispatch stubs with size 16 bytes,
  108.  * the two limits will be hit simultaneously. For larger dispatch function
  109.  * sizes, MAX_EXTENSION_FUNCS is effectively reduced.
  110.  */
  111. #define MAX_EXTENSION_FUNCS 256
  112.  
  113.  
  114. #endif
  115.