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  1. /*
  2.  * Mesa 3-D graphics library
  3.  *
  4.  * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
  5.  * Copyright (C) 2009  VMware, Inc.  All Rights Reserved.
  6.  *
  7.  * Permission is hereby granted, free of charge, to any person obtaining a
  8.  * copy of this software and associated documentation files (the "Software"),
  9.  * to deal in the Software without restriction, including without limitation
  10.  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11.  * and/or sell copies of the Software, and to permit persons to whom the
  12.  * Software is furnished to do so, subject to the following conditions:
  13.  *
  14.  * The above copyright notice and this permission notice shall be included
  15.  * in all copies or substantial portions of the Software.
  16.  *
  17.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18.  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20.  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  21.  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  22.  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  23.  * OTHER DEALINGS IN THE SOFTWARE.
  24.  */
  25.  
  26.  
  27. #ifndef VARRAY_H
  28. #define VARRAY_H
  29.  
  30.  
  31. #include "glheader.h"
  32.  
  33. struct gl_client_array;
  34. struct gl_context;
  35.  
  36.  
  37. /**
  38.  * Compute the index of the last array element that can be safely accessed in
  39.  * a vertex array.  We can really only do this when the array lives in a VBO.
  40.  * The array->_MaxElement field will be updated.
  41.  * Later in glDrawArrays/Elements/etc we can do some bounds checking.
  42.  */
  43. static inline void
  44. _mesa_update_array_max_element(struct gl_client_array *array)
  45. {
  46.    assert(array->Enabled);
  47.  
  48.    if (array->BufferObj->Name) {
  49.       GLsizeiptrARB offset = (GLsizeiptrARB) array->Ptr;
  50.       GLsizeiptrARB bufSize = (GLsizeiptrARB) array->BufferObj->Size;
  51.  
  52.       if (offset < bufSize) {
  53.          array->_MaxElement = (bufSize - offset + array->StrideB
  54.                                - array->_ElementSize) / array->StrideB;
  55.       }
  56.       else {
  57.          array->_MaxElement = 0;
  58.       }
  59.    }
  60.    else {
  61.       /* user-space array, no idea how big it is */
  62.       array->_MaxElement = 2 * 1000 * 1000 * 1000; /* just a big number */
  63.    }
  64. }
  65.  
  66.  
  67. extern void GLAPIENTRY
  68. _mesa_VertexPointer(GLint size, GLenum type, GLsizei stride,
  69.                     const GLvoid *ptr);
  70.  
  71. extern void GLAPIENTRY
  72. _mesa_UnlockArraysEXT( void );
  73.  
  74. extern void GLAPIENTRY
  75. _mesa_LockArraysEXT(GLint first, GLsizei count);
  76.  
  77.  
  78. extern void GLAPIENTRY
  79. _mesa_NormalPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
  80.  
  81.  
  82. extern void GLAPIENTRY
  83. _mesa_ColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
  84.  
  85.  
  86. extern void GLAPIENTRY
  87. _mesa_IndexPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
  88.  
  89.  
  90. extern void GLAPIENTRY
  91. _mesa_TexCoordPointer(GLint size, GLenum type, GLsizei stride,
  92.                       const GLvoid *ptr);
  93.  
  94.  
  95. extern void GLAPIENTRY
  96. _mesa_EdgeFlagPointer(GLsizei stride, const GLvoid *ptr);
  97.  
  98.  
  99. extern void GLAPIENTRY
  100. _mesa_VertexPointerEXT(GLint size, GLenum type, GLsizei stride,
  101.                        GLsizei count, const GLvoid *ptr);
  102.  
  103.  
  104. extern void GLAPIENTRY
  105. _mesa_NormalPointerEXT(GLenum type, GLsizei stride, GLsizei count,
  106.                        const GLvoid *ptr);
  107.  
  108.  
  109. extern void GLAPIENTRY
  110. _mesa_ColorPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count,
  111.                       const GLvoid *ptr);
  112.  
  113.  
  114. extern void GLAPIENTRY
  115. _mesa_IndexPointerEXT(GLenum type, GLsizei stride, GLsizei count,
  116.                       const GLvoid *ptr);
  117.  
  118.  
  119. extern void GLAPIENTRY
  120. _mesa_TexCoordPointerEXT(GLint size, GLenum type, GLsizei stride,
  121.                          GLsizei count, const GLvoid *ptr);
  122.  
  123.  
  124. extern void GLAPIENTRY
  125. _mesa_EdgeFlagPointerEXT(GLsizei stride, GLsizei count, const GLboolean *ptr);
  126.  
  127.  
  128. extern void GLAPIENTRY
  129. _mesa_FogCoordPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
  130.  
  131.  
  132. extern void GLAPIENTRY
  133. _mesa_SecondaryColorPointer(GLint size, GLenum type,
  134.                                GLsizei stride, const GLvoid *ptr);
  135.  
  136.  
  137. extern void GLAPIENTRY
  138. _mesa_PointSizePointerOES(GLenum type, GLsizei stride, const GLvoid *ptr);
  139.  
  140.  
  141. extern void GLAPIENTRY
  142. _mesa_VertexAttribPointer(GLuint index, GLint size, GLenum type,
  143.                              GLboolean normalized, GLsizei stride,
  144.                              const GLvoid *pointer);
  145.  
  146. void GLAPIENTRY
  147. _mesa_VertexAttribIPointer(GLuint index, GLint size, GLenum type,
  148.                            GLsizei stride, const GLvoid *ptr);
  149.  
  150.  
  151. extern void GLAPIENTRY
  152. _mesa_EnableVertexAttribArray(GLuint index);
  153.  
  154.  
  155. extern void GLAPIENTRY
  156. _mesa_DisableVertexAttribArray(GLuint index);
  157.  
  158.  
  159. extern void GLAPIENTRY
  160. _mesa_GetVertexAttribdv(GLuint index, GLenum pname, GLdouble *params);
  161.  
  162.  
  163. extern void GLAPIENTRY
  164. _mesa_GetVertexAttribfv(GLuint index, GLenum pname, GLfloat *params);
  165.  
  166.  
  167. extern void GLAPIENTRY
  168. _mesa_GetVertexAttribiv(GLuint index, GLenum pname, GLint *params);
  169.  
  170.  
  171. extern void GLAPIENTRY
  172. _mesa_GetVertexAttribIiv(GLuint index, GLenum pname, GLint *params);
  173.  
  174.  
  175. extern void GLAPIENTRY
  176. _mesa_GetVertexAttribIuiv(GLuint index, GLenum pname, GLuint *params);
  177.  
  178.  
  179. extern void GLAPIENTRY
  180. _mesa_GetVertexAttribPointerv(GLuint index, GLenum pname, GLvoid **pointer);
  181.  
  182.  
  183. extern void GLAPIENTRY
  184. _mesa_InterleavedArrays(GLenum format, GLsizei stride, const GLvoid *pointer);
  185.  
  186.  
  187. extern void GLAPIENTRY
  188. _mesa_MultiDrawArrays( GLenum mode, const GLint *first,
  189.                           const GLsizei *count, GLsizei primcount );
  190.  
  191. extern void GLAPIENTRY
  192. _mesa_MultiDrawElementsEXT( GLenum mode, const GLsizei *count, GLenum type,
  193.                             const GLvoid **indices, GLsizei primcount );
  194.  
  195. extern void GLAPIENTRY
  196. _mesa_MultiDrawElementsBaseVertex( GLenum mode,
  197.                                    const GLsizei *count, GLenum type,
  198.                                    const GLvoid **indices, GLsizei primcount,
  199.                                    const GLint *basevertex);
  200.  
  201. extern void GLAPIENTRY
  202. _mesa_MultiModeDrawArraysIBM( const GLenum * mode, const GLint * first,
  203.                               const GLsizei * count,
  204.                               GLsizei primcount, GLint modestride );
  205.  
  206.  
  207. extern void GLAPIENTRY
  208. _mesa_MultiModeDrawElementsIBM( const GLenum * mode, const GLsizei * count,
  209.                                 GLenum type, const GLvoid * const * indices,
  210.                                 GLsizei primcount, GLint modestride );
  211.  
  212. extern void GLAPIENTRY
  213. _mesa_LockArraysEXT(GLint first, GLsizei count);
  214.  
  215. extern void GLAPIENTRY
  216. _mesa_UnlockArraysEXT( void );
  217.  
  218.  
  219. extern void GLAPIENTRY
  220. _mesa_DrawArrays(GLenum mode, GLint first, GLsizei count);
  221.  
  222. extern void GLAPIENTRY
  223. _mesa_DrawElements(GLenum mode, GLsizei count, GLenum type,
  224.                    const GLvoid *indices);
  225.  
  226. extern void GLAPIENTRY
  227. _mesa_DrawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count,
  228.                         GLenum type, const GLvoid *indices);
  229.  
  230. extern void GLAPIENTRY
  231. _mesa_DrawElementsBaseVertex(GLenum mode, GLsizei count, GLenum type,
  232.                              const GLvoid *indices, GLint basevertex);
  233.  
  234. extern void GLAPIENTRY
  235. _mesa_DrawRangeElementsBaseVertex(GLenum mode, GLuint start, GLuint end,
  236.                                   GLsizei count, GLenum type,
  237.                                   const GLvoid *indices,
  238.                                   GLint basevertex);
  239.  
  240. extern void GLAPIENTRY
  241. _mesa_DrawTransformFeedback(GLenum mode, GLuint name);
  242.  
  243. extern void GLAPIENTRY
  244. _mesa_PrimitiveRestartIndex(GLuint index);
  245.  
  246.  
  247. extern void GLAPIENTRY
  248. _mesa_VertexAttribDivisor(GLuint index, GLuint divisor);
  249.  
  250. extern unsigned
  251. _mesa_primitive_restart_index(const struct gl_context *ctx, GLenum ib_type);
  252.  
  253. extern void
  254. _mesa_copy_client_array(struct gl_context *ctx,
  255.                         struct gl_client_array *dst,
  256.                         struct gl_client_array *src);
  257.  
  258.  
  259. extern void
  260. _mesa_print_arrays(struct gl_context *ctx);
  261.  
  262. extern void
  263. _mesa_init_varray( struct gl_context * ctx );
  264.  
  265. extern void
  266. _mesa_free_varray_data(struct gl_context *ctx);
  267.  
  268. #endif
  269.