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  * BRIAN PAUL 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 #include "mfeatures.h"
  33
  34 struct gl_client_array;
  35 struct gl_context;
  36
  37
  38 /**
  39  * Compute the index of the last array element that can be safely accessed in
  40  * a vertex array.  We can really only do this when the array lives in a VBO.
  41  * The array->_MaxElement field will be updated.
  42  * Later in glDrawArrays/Elements/etc we can do some bounds checking.
  43  */
  44 static inline void
  45 _mesa_update_array_max_element(struct gl_client_array *array)
  46 {
  47    assert(array->Enabled);
  48
  49    if (array->BufferObj->Name) {
  50       GLsizeiptrARB offset = (GLsizeiptrARB) array->Ptr;
  51       GLsizeiptrARB bufSize = (GLsizeiptrARB) array->BufferObj->Size;
  52
  53       if (offset < bufSize) {
  54          array->_MaxElement = (bufSize - offset + array->StrideB
  55                                - array->_ElementSize) / array->StrideB;
  56       }
  57       else {
  58          array->_MaxElement = 0;
  59       }
  60    }
  61    else {
  62       /* user-space array, no idea how big it is */
  63       array->_MaxElement = 2 * 1000 * 1000 * 1000; /* just a big number */
  64    }
  65 }
  66
  67
  68 #if _HAVE_FULL_GL
  69
  70 extern void GLAPIENTRY
  71 _mesa_VertexPointer(GLint size, GLenum type, GLsizei stride,
  72                     const GLvoid *ptr);
  73
  74 extern void GLAPIENTRY
  75 _mesa_UnlockArraysEXT( void );
  76
  77 extern void GLAPIENTRY
  78 _mesa_LockArraysEXT(GLint first, GLsizei count);
  79
  80
  81 extern void GLAPIENTRY
  82 _mesa_NormalPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
  83
  84
  85 extern void GLAPIENTRY
  86 _mesa_ColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
  87
  88
  89 extern void GLAPIENTRY
  90 _mesa_IndexPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
  91
  92
  93 extern void GLAPIENTRY
  94 _mesa_TexCoordPointer(GLint size, GLenum type, GLsizei stride,
  95                       const GLvoid *ptr);
  96
  97
  98 extern void GLAPIENTRY
  99 _mesa_EdgeFlagPointer(GLsizei stride, const GLvoid *ptr);
 100
 101
 102 extern void GLAPIENTRY
 103 _mesa_VertexPointerEXT(GLint size, GLenum type, GLsizei stride,
 104                        GLsizei count, const GLvoid *ptr);
 105
 106
 107 extern void GLAPIENTRY
 108 _mesa_NormalPointerEXT(GLenum type, GLsizei stride, GLsizei count,
 109                        const GLvoid *ptr);
 110
 111
 112 extern void GLAPIENTRY
 113 _mesa_ColorPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count,
 114                       const GLvoid *ptr);
 115
 116
 117 extern void GLAPIENTRY
 118 _mesa_IndexPointerEXT(GLenum type, GLsizei stride, GLsizei count,
 119                       const GLvoid *ptr);
 120
 121
 122 extern void GLAPIENTRY
 123 _mesa_TexCoordPointerEXT(GLint size, GLenum type, GLsizei stride,
 124                          GLsizei count, const GLvoid *ptr);
 125
 126
 127 extern void GLAPIENTRY
 128 _mesa_EdgeFlagPointerEXT(GLsizei stride, GLsizei count, const GLboolean *ptr);
 129
 130
 131 extern void GLAPIENTRY
 132 _mesa_FogCoordPointerEXT(GLenum type, GLsizei stride, const GLvoid *ptr);
 133
 134
 135 extern void GLAPIENTRY
 136 _mesa_SecondaryColorPointerEXT(GLint size, GLenum type,
 137                                GLsizei stride, const GLvoid *ptr);
 138
 139
 140 extern void GLAPIENTRY
 141 _mesa_PointSizePointer(GLenum type, GLsizei stride, const GLvoid *ptr);
 142
 143
 144 extern void GLAPIENTRY
 145 _mesa_VertexAttribPointerNV(GLuint index, GLint size, GLenum type,
 146                             GLsizei stride, const GLvoid *pointer);
 147
 148
 149 extern void GLAPIENTRY
 150 _mesa_VertexAttribPointerARB(GLuint index, GLint size, GLenum type,
 151                              GLboolean normalized, GLsizei stride,
 152                              const GLvoid *pointer);
 153
 154 void GLAPIENTRY
 155 _mesa_VertexAttribIPointer(GLuint index, GLint size, GLenum type,
 156                            GLsizei stride, const GLvoid *ptr);
 157
 158
 159 extern void GLAPIENTRY
 160 _mesa_EnableVertexAttribArrayARB(GLuint index);
 161
 162
 163 extern void GLAPIENTRY
 164 _mesa_DisableVertexAttribArrayARB(GLuint index);
 165
 166
 167 extern void GLAPIENTRY
 168 _mesa_GetVertexAttribdvARB(GLuint index, GLenum pname, GLdouble *params);
 169
 170
 171 extern void GLAPIENTRY
 172 _mesa_GetVertexAttribfvARB(GLuint index, GLenum pname, GLfloat *params);
 173
 174
 175 extern void GLAPIENTRY
 176 _mesa_GetVertexAttribivARB(GLuint index, GLenum pname, GLint *params);
 177
 178
 179 extern void GLAPIENTRY
 180 _mesa_GetVertexAttribIiv(GLuint index, GLenum pname, GLint *params);
 181
 182
 183 extern void GLAPIENTRY
 184 _mesa_GetVertexAttribIuiv(GLuint index, GLenum pname, GLuint *params);
 185
 186
 187 extern void GLAPIENTRY
 188 _mesa_GetVertexAttribPointervARB(GLuint index, GLenum pname, GLvoid **pointer);
 189
 190
 191 extern void GLAPIENTRY
 192 _mesa_InterleavedArrays(GLenum format, GLsizei stride, const GLvoid *pointer);
 193
 194
 195 extern void GLAPIENTRY
 196 _mesa_MultiDrawArraysEXT( GLenum mode, const GLint *first,
 197                           const GLsizei *count, GLsizei primcount );
 198
 199 extern void GLAPIENTRY
 200 _mesa_MultiDrawElementsEXT( GLenum mode, const GLsizei *count, GLenum type,
 201                             const GLvoid **indices, GLsizei primcount );
 202
 203 extern void GLAPIENTRY
 204 _mesa_MultiDrawElementsBaseVertex( GLenum mode,
 205                                    const GLsizei *count, GLenum type,
 206                                    const GLvoid **indices, GLsizei primcount,
 207                                    const GLint *basevertex);
 208
 209 extern void GLAPIENTRY
 210 _mesa_MultiModeDrawArraysIBM( const GLenum * mode, const GLint * first,
 211                               const GLsizei * count,
 212                               GLsizei primcount, GLint modestride );
 213
 214
 215 extern void GLAPIENTRY
 216 _mesa_MultiModeDrawElementsIBM( const GLenum * mode, const GLsizei * count,
 217                                 GLenum type, const GLvoid * const * indices,
 218                                 GLsizei primcount, GLint modestride );
 219
 220 extern void GLAPIENTRY
 221 _mesa_LockArraysEXT(GLint first, GLsizei count);
 222
 223 extern void GLAPIENTRY
 224 _mesa_UnlockArraysEXT( void );
 225
 226
 227 extern void GLAPIENTRY
 228 _mesa_DrawArrays(GLenum mode, GLint first, GLsizei count);
 229
 230 extern void GLAPIENTRY
 231 _mesa_DrawElements(GLenum mode, GLsizei count, GLenum type,
 232                    const GLvoid *indices);
 233
 234 extern void GLAPIENTRY
 235 _mesa_DrawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count,
 236                         GLenum type, const GLvoid *indices);
 237
 238 extern void GLAPIENTRY
 239 _mesa_DrawElementsBaseVertex(GLenum mode, GLsizei count, GLenum type,
 240                              const GLvoid *indices, GLint basevertex);
 241
 242 extern void GLAPIENTRY
 243 _mesa_DrawRangeElementsBaseVertex(GLenum mode, GLuint start, GLuint end,
 244                                   GLsizei count, GLenum type,
 245                                   const GLvoid *indices,
 246                                   GLint basevertex);
 247
 248 extern void GLAPIENTRY
 249 _mesa_PrimitiveRestartIndex(GLuint index);
 250
 251
 252 extern void GLAPIENTRY
 253 _mesa_VertexAttribDivisor(GLuint index, GLuint divisor);
 254
 255
 256 extern void
 257 _mesa_copy_client_array(struct gl_context *ctx,
 258                         struct gl_client_array *dst,
 259                         struct gl_client_array *src);
 260
 261
 262 extern void
 263 _mesa_print_arrays(struct gl_context *ctx);
 264
 265 extern void
 266 _mesa_init_varray( struct gl_context * ctx );
 267
 268 extern void
 269 _mesa_free_varray_data(struct gl_context *ctx);
 270
 271 #else
 272
 273 /** No-op */
 274 #define _mesa_init_varray( c )  ((void)0)
 275 #define _mesa_free_varray_data( c )  ((void)0)
 276
 277 #endif
 278
 279 #endif