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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.  
  30. #ifdef HAVE_DIX_CONFIG_H
  31. #include <dix-config.h>
  32. #include "glapi/mesa.h"
  33. #else /* HAVE_DIX_CONFIG_H */
  34. #define GL_GLEXT_PROTOTYPES
  35. #include "GL/gl.h"
  36. #include "GL/glext.h"
  37.  
  38. #ifndef GL_OES_fixed_point
  39. typedef int GLfixed;
  40. #endif
  41. typedef int GLclampx;
  42.  
  43. #ifndef GL_OES_EGL_image
  44. typedef void *GLeglImageOES;
  45. #endif
  46.  
  47. #endif /* HAVE_DIX_CONFIG_H */
  48.  
  49. #include "glapi/glapi.h"
  50.  
  51.  
  52. #ifdef __cplusplus
  53. extern "C" {
  54. #endif
  55.  
  56. /* getproc */
  57.  
  58. extern void
  59. _glapi_check_table_not_null(const struct _glapi_table *table);
  60.  
  61.  
  62. extern void
  63. _glapi_check_table(const struct _glapi_table *table);
  64.  
  65.  
  66. /* entrypoint */
  67.  
  68. extern void
  69. init_glapi_relocs_once(void);
  70.  
  71.  
  72. extern _glapi_proc
  73. generate_entrypoint(unsigned int functionOffset);
  74.  
  75.  
  76. extern void
  77. fill_in_entrypoint_offset(_glapi_proc entrypoint, unsigned int offset);
  78.  
  79.  
  80. extern _glapi_proc
  81. get_entrypoint_address(unsigned int functionOffset);
  82.  
  83.  
  84. /**
  85.  * Size (in bytes) of dispatch function (entrypoint).
  86.  */
  87. #if defined(USE_X86_ASM)
  88. # if defined(GLX_USE_TLS)
  89. #  define DISPATCH_FUNCTION_SIZE  16
  90. # else
  91. #  define DISPATCH_FUNCTION_SIZE  32
  92. # endif
  93. #endif
  94.  
  95. #if defined(USE_X64_64_ASM)
  96. # if defined(GLX_USE_TLS)
  97. #  define DISPATCH_FUNCTION_SIZE  16
  98. # endif
  99. #endif
  100.  
  101.  
  102. /**
  103.  * Number of extension functions which we can dynamically add at runtime.
  104.  *
  105.  * Number of extension functions is also subject to the size of backing exec
  106.  * mem we allocate. For the common case of dispatch stubs with size 16 bytes,
  107.  * the two limits will be hit simultaneously. For larger dispatch function
  108.  * sizes, MAX_EXTENSION_FUNCS is effectively reduced.
  109.  */
  110. #define MAX_EXTENSION_FUNCS 256
  111.  
  112.  
  113. #ifdef __cplusplus
  114. }
  115. #endif
  116.  
  117. #endif
  118.