src/mesa/main/varray.h

   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 #include "bufferobj.h"
  33
  34 struct gl_vertex_array;
  35 struct gl_context;
  36
  37 /**
  38  * Returns a pointer to the vertex attribute data in a client array,
  39  * or the offset into the vertex buffer for an array that resides in
  40  * a vertex buffer.
  41  */
  42 static inline const GLubyte *
  43 _mesa_vertex_attrib_address(const struct gl_array_attributes *array,
  44                             const struct gl_vertex_buffer_binding *binding)
  45 {
  46    if (_mesa_is_bufferobj(binding->BufferObj))
  47       return (const GLubyte *) (binding->Offset + array->RelativeOffset);
  48    else
  49       return array->Ptr;
  50 }
  51
  52 /**
  53  * Sets the fields in a gl_vertex_array to values derived from a
  54  * gl_array_attributes and a gl_vertex_buffer_binding.
  55  */
  56 static inline void
  57 _mesa_update_client_array(struct gl_context *ctx,
  58                           struct gl_vertex_array *dst,
  59                           const struct gl_array_attributes *src,
  60                           const struct gl_vertex_buffer_binding *binding)
  61 {
  62    dst->Size = src->Size;
  63    dst->Type = src->Type;
  64    dst->Format = src->Format;
  65    dst->StrideB = binding->Stride;
  66    dst->Ptr = _mesa_vertex_attrib_address(src, binding);
  67    dst->Normalized = src->Normalized;
  68    dst->Integer = src->Integer;
  69    dst->Doubles = src->Doubles;
  70    dst->InstanceDivisor = binding->InstanceDivisor;
  71    dst->_ElementSize = src->_ElementSize;
  72    _mesa_reference_buffer_object(ctx, &dst->BufferObj, binding->BufferObj);
  73 }
  74
  75 static inline bool
  76 _mesa_attr_zero_aliases_vertex(const struct gl_context *ctx)
  77 {
  78    return ctx->_AttribZeroAliasesVertex;
  79 }
  80
  81 extern void
  82 _mesa_update_array_format(struct gl_context *ctx,
  83                           struct gl_vertex_array_object *vao,
  84                           GLuint attrib, GLint size, GLenum type,
  85                           GLenum format, GLboolean normalized,
  86                           GLboolean integer, GLboolean doubles,
  87                           GLuint relativeOffset);
  88
  89 extern void
  90 _mesa_enable_vertex_array_attrib(struct gl_context *ctx,
  91                                  struct gl_vertex_array_object *vao,
  92                                  unsigned attrib);
  93
  94 extern void
  95 _mesa_bind_vertex_buffer(struct gl_context *ctx,
  96                          struct gl_vertex_array_object *vao,
  97                          GLuint index,
  98                          struct gl_buffer_object *vbo,
  99                          GLintptr offset, GLsizei stride);
 100
 101 extern void GLAPIENTRY
 102 _mesa_VertexPointer_no_error(GLint size, GLenum type, GLsizei stride,
 103                              const GLvoid *ptr);
 104 extern void GLAPIENTRY
 105 _mesa_VertexPointer(GLint size, GLenum type, GLsizei stride,
 106                     const GLvoid *ptr);
 107
 108 extern void GLAPIENTRY
 109 _mesa_NormalPointer_no_error(GLenum type, GLsizei stride, const GLvoid *ptr);
 110 extern void GLAPIENTRY
 111 _mesa_NormalPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
 112
 113 extern void GLAPIENTRY
 114 _mesa_ColorPointer_no_error(GLint size, GLenum type, GLsizei stride,
 115                             const GLvoid *ptr);
 116 extern void GLAPIENTRY
 117 _mesa_ColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
 118
 119
 120 extern void GLAPIENTRY
 121 _mesa_IndexPointer_no_error(GLenum type, GLsizei stride, const GLvoid *ptr);
 122 extern void GLAPIENTRY
 123 _mesa_IndexPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
 124
 125
 126 extern void GLAPIENTRY
 127 _mesa_TexCoordPointer_no_error(GLint size, GLenum type, GLsizei stride,
 128                                const GLvoid *ptr);
 129 extern void GLAPIENTRY
 130 _mesa_TexCoordPointer(GLint size, GLenum type, GLsizei stride,
 131                       const GLvoid *ptr);
 132
 133
 134 extern void GLAPIENTRY
 135 _mesa_EdgeFlagPointer_no_error(GLsizei stride, const GLvoid *ptr);
 136 extern void GLAPIENTRY
 137 _mesa_EdgeFlagPointer(GLsizei stride, const GLvoid *ptr);
 138
 139
 140 extern void GLAPIENTRY
 141 _mesa_VertexPointerEXT(GLint size, GLenum type, GLsizei stride,
 142                        GLsizei count, const GLvoid *ptr);
 143
 144
 145 extern void GLAPIENTRY
 146 _mesa_NormalPointerEXT(GLenum type, GLsizei stride, GLsizei count,
 147                        const GLvoid *ptr);
 148
 149
 150 extern void GLAPIENTRY
 151 _mesa_ColorPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count,
 152                       const GLvoid *ptr);
 153
 154
 155 extern void GLAPIENTRY
 156 _mesa_IndexPointerEXT(GLenum type, GLsizei stride, GLsizei count,
 157                       const GLvoid *ptr);
 158
 159
 160 extern void GLAPIENTRY
 161 _mesa_TexCoordPointerEXT(GLint size, GLenum type, GLsizei stride,
 162                          GLsizei count, const GLvoid *ptr);
 163
 164
 165 extern void GLAPIENTRY
 166 _mesa_EdgeFlagPointerEXT(GLsizei stride, GLsizei count, const GLboolean *ptr);
 167
 168 extern void GLAPIENTRY
 169 _mesa_FogCoordPointer_no_error(GLenum type, GLsizei stride,
 170                                const GLvoid *ptr);
 171 extern void GLAPIENTRY
 172 _mesa_FogCoordPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
 173
 174
 175 extern void GLAPIENTRY
 176 _mesa_SecondaryColorPointer_no_error(GLint size, GLenum type,
 177                                      GLsizei stride, const GLvoid *ptr);
 178 extern void GLAPIENTRY
 179 _mesa_SecondaryColorPointer(GLint size, GLenum type,
 180                                GLsizei stride, const GLvoid *ptr);
 181
 182
 183 extern void GLAPIENTRY
 184 _mesa_PointSizePointerOES_no_error(GLenum type, GLsizei stride,
 185                                    const GLvoid *ptr);
 186 extern void GLAPIENTRY
 187 _mesa_PointSizePointerOES(GLenum type, GLsizei stride, const GLvoid *ptr);
 188
 189
 190 extern void GLAPIENTRY
 191 _mesa_VertexAttribPointer_no_error(GLuint index, GLint size, GLenum type,
 192                                    GLboolean normalized, GLsizei stride,
 193                                    const GLvoid *pointer);
 194 extern void GLAPIENTRY
 195 _mesa_VertexAttribPointer(GLuint index, GLint size, GLenum type,
 196                              GLboolean normalized, GLsizei stride,
 197                              const GLvoid *pointer);
 198
 199 void GLAPIENTRY
 200 _mesa_VertexAttribIPointer_no_error(GLuint index, GLint size, GLenum type,
 201                                     GLsizei stride, const GLvoid *ptr);
 202 void GLAPIENTRY
 203 _mesa_VertexAttribIPointer(GLuint index, GLint size, GLenum type,
 204                            GLsizei stride, const GLvoid *ptr);
 205
 206 extern void GLAPIENTRY
 207 _mesa_VertexAttribLPointer_no_error(GLuint index, GLint size, GLenum type,
 208                                     GLsizei stride, const GLvoid *pointer);
 209 extern void GLAPIENTRY
 210 _mesa_VertexAttribLPointer(GLuint index, GLint size, GLenum type,
 211                            GLsizei stride, const GLvoid *pointer);
 212
 213 extern void GLAPIENTRY
 214 _mesa_EnableVertexAttribArray(GLuint index);
 215
 216 extern void GLAPIENTRY
 217 _mesa_EnableVertexAttribArray_no_error(GLuint index);
 218
 219
 220 extern void GLAPIENTRY
 221 _mesa_EnableVertexArrayAttrib(GLuint vaobj, GLuint index);
 222
 223 extern void GLAPIENTRY
 224 _mesa_EnableVertexArrayAttrib_no_error(GLuint vaobj, GLuint index);
 225
 226
 227
 228 extern void GLAPIENTRY
 229 _mesa_DisableVertexAttribArray(GLuint index);
 230
 231 extern void GLAPIENTRY
 232 _mesa_DisableVertexAttribArray_no_error(GLuint index);
 233
 234
 235 extern void GLAPIENTRY
 236 _mesa_DisableVertexArrayAttrib(GLuint vaobj, GLuint index);
 237
 238 extern void GLAPIENTRY
 239 _mesa_DisableVertexArrayAttrib_no_error(GLuint vaobj, GLuint index);
 240
 241
 242 extern void GLAPIENTRY
 243 _mesa_GetVertexAttribdv(GLuint index, GLenum pname, GLdouble *params);
 244
 245 extern void GLAPIENTRY
 246 _mesa_GetVertexAttribfv(GLuint index, GLenum pname, GLfloat *params);
 247
 248 extern void GLAPIENTRY
 249 _mesa_GetVertexAttribLdv(GLuint index, GLenum pname, GLdouble *params);
 250
 251 extern void GLAPIENTRY
 252 _mesa_GetVertexAttribiv(GLuint index, GLenum pname, GLint *params);
 253
 254 extern void GLAPIENTRY
 255 _mesa_GetVertexAttribLui64vARB(GLuint index, GLenum pname, GLuint64EXT *params);
 256
 257
 258 extern void GLAPIENTRY
 259 _mesa_GetVertexAttribIiv(GLuint index, GLenum pname, GLint *params);
 260
 261
 262 extern void GLAPIENTRY
 263 _mesa_GetVertexAttribIuiv(GLuint index, GLenum pname, GLuint *params);
 264
 265
 266 extern void GLAPIENTRY
 267 _mesa_GetVertexAttribPointerv(GLuint index, GLenum pname, GLvoid **pointer);
 268
 269
 270 void GLAPIENTRY
 271 _mesa_GetVertexArrayIndexediv(GLuint vaobj, GLuint index,
 272                               GLenum pname, GLint *param);
 273
 274
 275 void GLAPIENTRY
 276 _mesa_GetVertexArrayIndexed64iv(GLuint vaobj, GLuint index,
 277                                 GLenum pname, GLint64 *param);
 278
 279
 280 extern void GLAPIENTRY
 281 _mesa_InterleavedArrays(GLenum format, GLsizei stride, const GLvoid *pointer);
 282
 283
 284 extern void GLAPIENTRY
 285 _mesa_MultiDrawArrays( GLenum mode, const GLint *first,
 286                           const GLsizei *count, GLsizei primcount );
 287
 288 extern void GLAPIENTRY
 289 _mesa_MultiDrawElementsEXT( GLenum mode, const GLsizei *count, GLenum type,
 290                             const GLvoid **indices, GLsizei primcount );
 291
 292 extern void GLAPIENTRY
 293 _mesa_MultiDrawElementsBaseVertex( GLenum mode,
 294                                    const GLsizei *count, GLenum type,
 295                                    const GLvoid **indices, GLsizei primcount,
 296                                    const GLint *basevertex);
 297
 298 extern void GLAPIENTRY
 299 _mesa_MultiModeDrawArraysIBM( const GLenum * mode, const GLint * first,
 300                               const GLsizei * count,
 301                               GLsizei primcount, GLint modestride );
 302
 303
 304 extern void GLAPIENTRY
 305 _mesa_MultiModeDrawElementsIBM( const GLenum * mode, const GLsizei * count,
 306                                 GLenum type, const GLvoid * const * indices,
 307                                 GLsizei primcount, GLint modestride );
 308
 309 extern void GLAPIENTRY
 310 _mesa_LockArraysEXT(GLint first, GLsizei count);
 311
 312 extern void GLAPIENTRY
 313 _mesa_UnlockArraysEXT( void );
 314
 315
 316 extern void GLAPIENTRY
 317 _mesa_DrawArrays(GLenum mode, GLint first, GLsizei count);
 318
 319 extern void GLAPIENTRY
 320 _mesa_DrawArraysInstanced(GLenum mode, GLint first, GLsizei count,
 321                           GLsizei primcount);
 322
 323 extern void GLAPIENTRY
 324 _mesa_DrawElements(GLenum mode, GLsizei count, GLenum type,
 325                    const GLvoid *indices);
 326
 327 extern void GLAPIENTRY
 328 _mesa_DrawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count,
 329                         GLenum type, const GLvoid *indices);
 330
 331 extern void GLAPIENTRY
 332 _mesa_DrawElementsBaseVertex(GLenum mode, GLsizei count, GLenum type,
 333                              const GLvoid *indices, GLint basevertex);
 334
 335 extern void GLAPIENTRY
 336 _mesa_DrawRangeElementsBaseVertex(GLenum mode, GLuint start, GLuint end,
 337                                   GLsizei count, GLenum type,
 338                                   const GLvoid *indices,
 339                                   GLint basevertex);
 340
 341 extern void GLAPIENTRY
 342 _mesa_DrawTransformFeedback(GLenum mode, GLuint name);
 343
 344 void GLAPIENTRY
 345 _mesa_PrimitiveRestartIndex_no_error(GLuint index);
 346
 347 extern void GLAPIENTRY
 348 _mesa_PrimitiveRestartIndex(GLuint index);
 349
 350 extern void GLAPIENTRY
 351 _mesa_VertexAttribDivisor_no_error(GLuint index, GLuint divisor);
 352 extern void GLAPIENTRY
 353 _mesa_VertexAttribDivisor(GLuint index, GLuint divisor);
 354
 355 static inline unsigned
 356 _mesa_primitive_restart_index(const struct gl_context *ctx,
 357                               unsigned index_size)
 358 {
 359    /* From the OpenGL 4.3 core specification, page 302:
 360     * "If both PRIMITIVE_RESTART and PRIMITIVE_RESTART_FIXED_INDEX are
 361     *  enabled, the index value determined by PRIMITIVE_RESTART_FIXED_INDEX
 362     *  is used."
 363     */
 364    if (ctx->Array.PrimitiveRestartFixedIndex) {
 365       /* 1 -> 0xff, 2 -> 0xffff, 4 -> 0xffffffff */
 366       return 0xffffffffu >> 8 * (4 - index_size);
 367    }
 368
 369    return ctx->Array.RestartIndex;
 370 }
 371
 372 extern void GLAPIENTRY
 373 _mesa_BindVertexBuffer_no_error(GLuint bindingIndex, GLuint buffer,
 374                                 GLintptr offset, GLsizei stride);
 375 extern void GLAPIENTRY
 376 _mesa_BindVertexBuffer(GLuint bindingIndex, GLuint buffer, GLintptr offset,
 377                        GLsizei stride);
 378
 379 void GLAPIENTRY
 380 _mesa_VertexArrayVertexBuffer_no_error(GLuint vaobj, GLuint bindingIndex,
 381                                        GLuint buffer, GLintptr offset,
 382                                        GLsizei stride);
 383 extern void GLAPIENTRY
 384 _mesa_VertexArrayVertexBuffer(GLuint vaobj, GLuint bindingIndex, GLuint buffer,
 385                               GLintptr offset, GLsizei stride);
 386
 387 void GLAPIENTRY
 388 _mesa_BindVertexBuffers_no_error(GLuint first, GLsizei count,
 389                                  const GLuint *buffers, const GLintptr *offsets,
 390                                  const GLsizei *strides);
 391
 392 extern void GLAPIENTRY
 393 _mesa_BindVertexBuffers(GLuint first, GLsizei count, const GLuint *buffers,
 394                         const GLintptr *offsets, const GLsizei *strides);
 395
 396 void GLAPIENTRY
 397 _mesa_VertexArrayVertexBuffers_no_error(GLuint vaobj, GLuint first,
 398                                         GLsizei count, const GLuint *buffers,
 399                                         const GLintptr *offsets,
 400                                         const GLsizei *strides);
 401
 402 extern void GLAPIENTRY
 403 _mesa_VertexArrayVertexBuffers(GLuint vaobj, GLuint first, GLsizei count,
 404                                const GLuint *buffers,
 405                                const GLintptr *offsets, const GLsizei *strides);
 406
 407 extern void GLAPIENTRY
 408 _mesa_VertexAttribFormat(GLuint attribIndex, GLint size, GLenum type,
 409                          GLboolean normalized, GLuint relativeOffset);
 410
 411 extern void GLAPIENTRY
 412 _mesa_VertexArrayAttribFormat(GLuint vaobj, GLuint attribIndex, GLint size,
 413                               GLenum type, GLboolean normalized,
 414                               GLuint relativeOffset);
 415
 416 extern void GLAPIENTRY
 417 _mesa_VertexAttribIFormat(GLuint attribIndex, GLint size, GLenum type,
 418                           GLuint relativeOffset);
 419
 420 extern void GLAPIENTRY
 421 _mesa_VertexArrayAttribIFormat(GLuint vaobj, GLuint attribIndex,
 422                                GLint size, GLenum type,
 423                                GLuint relativeOffset);
 424
 425 extern void GLAPIENTRY
 426 _mesa_VertexAttribLFormat(GLuint attribIndex, GLint size, GLenum type,
 427                           GLuint relativeOffset);
 428
 429 extern void GLAPIENTRY
 430 _mesa_VertexArrayAttribLFormat(GLuint vaobj, GLuint attribIndex,
 431                                GLint size, GLenum type,
 432                                GLuint relativeOffset);
 433
 434 void GLAPIENTRY
 435 _mesa_VertexAttribBinding_no_error(GLuint attribIndex, GLuint bindingIndex);
 436
 437 extern void GLAPIENTRY
 438 _mesa_VertexAttribBinding(GLuint attribIndex, GLuint bindingIndex);
 439
 440 void GLAPIENTRY
 441 _mesa_VertexArrayAttribBinding_no_error(GLuint vaobj, GLuint attribIndex,
 442                                         GLuint bindingIndex);
 443
 444 extern void GLAPIENTRY
 445 _mesa_VertexArrayAttribBinding(GLuint vaobj, GLuint attribIndex,
 446                                GLuint bindingIndex);
 447
 448 void GLAPIENTRY
 449 _mesa_VertexBindingDivisor_no_error(GLuint bindingIndex, GLuint divisor);
 450
 451 extern void GLAPIENTRY
 452 _mesa_VertexBindingDivisor(GLuint bindingIndex, GLuint divisor);
 453
 454 void GLAPIENTRY
 455 _mesa_VertexArrayBindingDivisor_no_error(GLuint vaobj, GLuint bindingIndex,
 456                                          GLuint divisor);
 457
 458 extern void GLAPIENTRY
 459 _mesa_VertexArrayBindingDivisor(GLuint vaobj, GLuint bindingIndex, GLuint divisor);
 460
 461 extern void
 462 _mesa_copy_client_array(struct gl_context *ctx,
 463                         struct gl_vertex_array *dst,
 464                         struct gl_vertex_array *src);
 465
 466 extern void
 467 _mesa_copy_vertex_attrib_array(struct gl_context *ctx,
 468                                struct gl_array_attributes *dst,
 469                                const struct gl_array_attributes *src);
 470
 471 extern void
 472 _mesa_copy_vertex_buffer_binding(struct gl_context *ctx,
 473                                  struct gl_vertex_buffer_binding *dst,
 474                                  const struct gl_vertex_buffer_binding *src);
 475
 476 extern void
 477 _mesa_print_arrays(struct gl_context *ctx);
 478
 479 extern void
 480 _mesa_init_varray( struct gl_context * ctx );
 481
 482 extern void
 483 _mesa_free_varray_data(struct gl_context *ctx);
 484
 485 #endif