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 extern void GLAPIENTRY
  69 _mesa_VertexPointer(GLint size, GLenum type, GLsizei stride,
  70                     const GLvoid *ptr);
  71
  72 extern void GLAPIENTRY
  73 _mesa_UnlockArraysEXT( void );
  74
  75 extern void GLAPIENTRY
  76 _mesa_LockArraysEXT(GLint first, GLsizei count);
  77
  78
  79 extern void GLAPIENTRY
  80 _mesa_NormalPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
  81
  82
  83 extern void GLAPIENTRY
  84 _mesa_ColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
  85
  86
  87 extern void GLAPIENTRY
  88 _mesa_IndexPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
  89
  90
  91 extern void GLAPIENTRY
  92 _mesa_TexCoordPointer(GLint size, GLenum type, GLsizei stride,
  93                       const GLvoid *ptr);
  94
  95
  96 extern void GLAPIENTRY
  97 _mesa_EdgeFlagPointer(GLsizei stride, const GLvoid *ptr);
  98
  99
 100 extern void GLAPIENTRY
 101 _mesa_VertexPointerEXT(GLint size, GLenum type, GLsizei stride,
 102                        GLsizei count, const GLvoid *ptr);
 103
 104
 105 extern void GLAPIENTRY
 106 _mesa_NormalPointerEXT(GLenum type, GLsizei stride, GLsizei count,
 107                        const GLvoid *ptr);
 108
 109
 110 extern void GLAPIENTRY
 111 _mesa_ColorPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count,
 112                       const GLvoid *ptr);
 113
 114
 115 extern void GLAPIENTRY
 116 _mesa_IndexPointerEXT(GLenum type, GLsizei stride, GLsizei count,
 117                       const GLvoid *ptr);
 118
 119
 120 extern void GLAPIENTRY
 121 _mesa_TexCoordPointerEXT(GLint size, GLenum type, GLsizei stride,
 122                          GLsizei count, const GLvoid *ptr);
 123
 124
 125 extern void GLAPIENTRY
 126 _mesa_EdgeFlagPointerEXT(GLsizei stride, GLsizei count, const GLboolean *ptr);
 127
 128
 129 extern void GLAPIENTRY
 130 _mesa_FogCoordPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
 131
 132
 133 extern void GLAPIENTRY
 134 _mesa_SecondaryColorPointer(GLint size, GLenum type,
 135                                GLsizei stride, const GLvoid *ptr);
 136
 137
 138 extern void GLAPIENTRY
 139 _mesa_PointSizePointerOES(GLenum type, GLsizei stride, const GLvoid *ptr);
 140
 141
 142 extern void GLAPIENTRY
 143 _mesa_VertexAttribPointer(GLuint index, GLint size, GLenum type,
 144                              GLboolean normalized, GLsizei stride,
 145                              const GLvoid *pointer);
 146
 147 void GLAPIENTRY
 148 _mesa_VertexAttribIPointer(GLuint index, GLint size, GLenum type,
 149                            GLsizei stride, const GLvoid *ptr);
 150
 151
 152 extern void GLAPIENTRY
 153 _mesa_EnableVertexAttribArray(GLuint index);
 154
 155
 156 extern void GLAPIENTRY
 157 _mesa_DisableVertexAttribArray(GLuint index);
 158
 159
 160 extern void GLAPIENTRY
 161 _mesa_GetVertexAttribdv(GLuint index, GLenum pname, GLdouble *params);
 162
 163
 164 extern void GLAPIENTRY
 165 _mesa_GetVertexAttribfv(GLuint index, GLenum pname, GLfloat *params);
 166
 167
 168 extern void GLAPIENTRY
 169 _mesa_GetVertexAttribiv(GLuint index, GLenum pname, GLint *params);
 170
 171
 172 extern void GLAPIENTRY
 173 _mesa_GetVertexAttribIiv(GLuint index, GLenum pname, GLint *params);
 174
 175
 176 extern void GLAPIENTRY
 177 _mesa_GetVertexAttribIuiv(GLuint index, GLenum pname, GLuint *params);
 178
 179
 180 extern void GLAPIENTRY
 181 _mesa_GetVertexAttribPointerv(GLuint index, GLenum pname, GLvoid **pointer);
 182
 183
 184 extern void GLAPIENTRY
 185 _mesa_InterleavedArrays(GLenum format, GLsizei stride, const GLvoid *pointer);
 186
 187
 188 extern void GLAPIENTRY
 189 _mesa_MultiDrawArrays( GLenum mode, const GLint *first,
 190                           const GLsizei *count, GLsizei primcount );
 191
 192 extern void GLAPIENTRY
 193 _mesa_MultiDrawElementsEXT( GLenum mode, const GLsizei *count, GLenum type,
 194                             const GLvoid **indices, GLsizei primcount );
 195
 196 extern void GLAPIENTRY
 197 _mesa_MultiDrawElementsBaseVertex( GLenum mode,
 198                                    const GLsizei *count, GLenum type,
 199                                    const GLvoid **indices, GLsizei primcount,
 200                                    const GLint *basevertex);
 201
 202 extern void GLAPIENTRY
 203 _mesa_MultiModeDrawArraysIBM( const GLenum * mode, const GLint * first,
 204                               const GLsizei * count,
 205                               GLsizei primcount, GLint modestride );
 206
 207
 208 extern void GLAPIENTRY
 209 _mesa_MultiModeDrawElementsIBM( const GLenum * mode, const GLsizei * count,
 210                                 GLenum type, const GLvoid * const * indices,
 211                                 GLsizei primcount, GLint modestride );
 212
 213 extern void GLAPIENTRY
 214 _mesa_LockArraysEXT(GLint first, GLsizei count);
 215
 216 extern void GLAPIENTRY
 217 _mesa_UnlockArraysEXT( void );
 218
 219
 220 extern void GLAPIENTRY
 221 _mesa_DrawArrays(GLenum mode, GLint first, GLsizei count);
 222
 223 extern void GLAPIENTRY
 224 _mesa_DrawElements(GLenum mode, GLsizei count, GLenum type,
 225                    const GLvoid *indices);
 226
 227 extern void GLAPIENTRY
 228 _mesa_DrawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count,
 229                         GLenum type, const GLvoid *indices);
 230
 231 extern void GLAPIENTRY
 232 _mesa_DrawElementsBaseVertex(GLenum mode, GLsizei count, GLenum type,
 233                              const GLvoid *indices, GLint basevertex);
 234
 235 extern void GLAPIENTRY
 236 _mesa_DrawRangeElementsBaseVertex(GLenum mode, GLuint start, GLuint end,
 237                                   GLsizei count, GLenum type,
 238                                   const GLvoid *indices,
 239                                   GLint basevertex);
 240
 241 extern void GLAPIENTRY
 242 _mesa_DrawTransformFeedback(GLenum mode, GLuint name);
 243
 244 extern void GLAPIENTRY
 245 _mesa_PrimitiveRestartIndex(GLuint index);
 246
 247
 248 extern void GLAPIENTRY
 249 _mesa_VertexAttribDivisor(GLuint index, GLuint divisor);
 250
 251
 252 extern void
 253 _mesa_copy_client_array(struct gl_context *ctx,
 254                         struct gl_client_array *dst,
 255                         struct gl_client_array *src);
 256
 257
 258 extern void
 259 _mesa_print_arrays(struct gl_context *ctx);
 260
 261 extern void
 262 _mesa_init_varray( struct gl_context * ctx );
 263
 264 extern void
 265 _mesa_free_varray_data(struct gl_context *ctx);
 266
 267 #endif