src/mesa/main/varray.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  7.6
   4  *
   5  * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
   6  * Copyright (C) 2009  VMware, Inc.  All Rights Reserved.
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a
   9  * copy of this software and associated documentation files (the "Software"),
  10  * to deal in the Software without restriction, including without limitation
  11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  12  * and/or sell copies of the Software, and to permit persons to whom the
  13  * Software is furnished to do so, subject to the following conditions:
  14  *
  15  * The above copyright notice and this permission notice shall be included
  16  * in all copies or substantial portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  21  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  22  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  23  * CONNECTION WITH THE SOFTWARE OR THE USE OR 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
 251 extern void
 252 _mesa_copy_client_array(struct gl_context *ctx,
 253                         struct gl_client_array *dst,
 254                         struct gl_client_array *src);
 255
 256
 257 extern void
 258 _mesa_print_arrays(struct gl_context *ctx);
 259
 260 extern void
 261 _mesa_init_varray( struct gl_context * ctx );
 262
 263 extern void
 264 _mesa_free_varray_data(struct gl_context *ctx);
 265
 266 #endif