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 #include "bufferobj.h"
  31
  32
  33 /**
  34  * Returns a pointer to the vertex attribute data in a client array,
  35  * or the offset into the vertex buffer for an array that resides in
  36  * a vertex buffer.
  37  */
  38 static inline const GLubyte *
  39 _mesa_vertex_attrib_address(const struct gl_array_attributes *array,
  40                             const struct gl_vertex_buffer_binding *binding)
  41 {
  42    if (_mesa_is_bufferobj(binding->BufferObj))
  43       return (const GLubyte *) (binding->Offset + array->RelativeOffset);
  44    else
  45       return array->Ptr;
  46 }
  47
  48
  49 static inline bool
  50 _mesa_attr_zero_aliases_vertex(const struct gl_context *ctx)
  51 {
  52    return ctx->_AttribZeroAliasesVertex;
  53 }
  54
  55
  56 /**
  57  * This specifies the set of vertex arrays used by the driver for drawing.
  58  */
  59 static inline void
  60 _mesa_set_drawing_arrays(struct gl_context *ctx,
  61                          const struct gl_vertex_array *arrays)
  62 {
  63    if (ctx->Array._DrawArrays != arrays) {
  64       ctx->Array._DrawArrays = arrays;
  65       ctx->NewDriverState |= ctx->DriverFlags.NewArray;
  66    }
  67 }
  68
  69
  70 extern void
  71 _mesa_update_array_format(struct gl_context *ctx,
  72                           struct gl_vertex_array_object *vao,
  73                           gl_vert_attrib attrib, GLint size, GLenum type,
  74                           GLenum format, GLboolean normalized,
  75                           GLboolean integer, GLboolean doubles,
  76                           GLuint relativeOffset);
  77
  78 extern void
  79 _mesa_enable_vertex_array_attrib(struct gl_context *ctx,
  80                                  struct gl_vertex_array_object *vao,
  81                                  gl_vert_attrib attrib, bool flush_vertices);
  82
  83
  84 extern void
  85 _mesa_disable_vertex_array_attrib(struct gl_context *ctx,
  86                                   struct gl_vertex_array_object *vao,
  87                                   gl_vert_attrib attrib, bool flush_vertices);
  88
  89
  90 extern void
  91 _mesa_vertex_attrib_binding(struct gl_context *ctx,
  92                             struct gl_vertex_array_object *vao,
  93                             gl_vert_attrib attribIndex,
  94                             GLuint bindingIndex, bool flush_vertices);
  95
  96
  97 extern void
  98 _mesa_bind_vertex_buffer(struct gl_context *ctx,
  99                          struct gl_vertex_array_object *vao,
 100                          GLuint index,
 101                          struct gl_buffer_object *vbo,
 102                          GLintptr offset, GLsizei stride, bool flush_vertices);
 103
 104 extern void GLAPIENTRY
 105 _mesa_VertexPointer_no_error(GLint size, GLenum type, GLsizei stride,
 106                              const GLvoid *ptr);
 107 extern void GLAPIENTRY
 108 _mesa_VertexPointer(GLint size, GLenum type, GLsizei stride,
 109                     const GLvoid *ptr);
 110
 111 extern void GLAPIENTRY
 112 _mesa_NormalPointer_no_error(GLenum type, GLsizei stride, const GLvoid *ptr);
 113 extern void GLAPIENTRY
 114 _mesa_NormalPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
 115
 116 extern void GLAPIENTRY
 117 _mesa_ColorPointer_no_error(GLint size, GLenum type, GLsizei stride,
 118                             const GLvoid *ptr);
 119 extern void GLAPIENTRY
 120 _mesa_ColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
 121
 122
 123 extern void GLAPIENTRY
 124 _mesa_IndexPointer_no_error(GLenum type, GLsizei stride, const GLvoid *ptr);
 125 extern void GLAPIENTRY
 126 _mesa_IndexPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
 127
 128
 129 extern void GLAPIENTRY
 130 _mesa_TexCoordPointer_no_error(GLint size, GLenum type, GLsizei stride,
 131                                const GLvoid *ptr);
 132 extern void GLAPIENTRY
 133 _mesa_TexCoordPointer(GLint size, GLenum type, GLsizei stride,
 134                       const GLvoid *ptr);
 135
 136
 137 extern void GLAPIENTRY
 138 _mesa_EdgeFlagPointer_no_error(GLsizei stride, const GLvoid *ptr);
 139 extern void GLAPIENTRY
 140 _mesa_EdgeFlagPointer(GLsizei stride, const GLvoid *ptr);
 141
 142
 143 extern void GLAPIENTRY
 144 _mesa_VertexPointerEXT(GLint size, GLenum type, GLsizei stride,
 145                        GLsizei count, const GLvoid *ptr);
 146
 147
 148 extern void GLAPIENTRY
 149 _mesa_NormalPointerEXT(GLenum type, GLsizei stride, GLsizei count,
 150                        const GLvoid *ptr);
 151
 152
 153 extern void GLAPIENTRY
 154 _mesa_ColorPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count,
 155                       const GLvoid *ptr);
 156
 157
 158 extern void GLAPIENTRY
 159 _mesa_IndexPointerEXT(GLenum type, GLsizei stride, GLsizei count,
 160                       const GLvoid *ptr);
 161
 162
 163 extern void GLAPIENTRY
 164 _mesa_TexCoordPointerEXT(GLint size, GLenum type, GLsizei stride,
 165                          GLsizei count, const GLvoid *ptr);
 166
 167
 168 extern void GLAPIENTRY
 169 _mesa_EdgeFlagPointerEXT(GLsizei stride, GLsizei count, const GLboolean *ptr);
 170
 171 extern void GLAPIENTRY
 172 _mesa_FogCoordPointer_no_error(GLenum type, GLsizei stride,
 173                                const GLvoid *ptr);
 174 extern void GLAPIENTRY
 175 _mesa_FogCoordPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
 176
 177
 178 extern void GLAPIENTRY
 179 _mesa_SecondaryColorPointer_no_error(GLint size, GLenum type,
 180                                      GLsizei stride, const GLvoid *ptr);
 181 extern void GLAPIENTRY
 182 _mesa_SecondaryColorPointer(GLint size, GLenum type,
 183                             GLsizei stride, const GLvoid *ptr);
 184
 185
 186 extern void GLAPIENTRY
 187 _mesa_PointSizePointerOES_no_error(GLenum type, GLsizei stride,
 188                                    const GLvoid *ptr);
 189 extern void GLAPIENTRY
 190 _mesa_PointSizePointerOES(GLenum type, GLsizei stride, const GLvoid *ptr);
 191
 192
 193 extern void GLAPIENTRY
 194 _mesa_VertexAttribPointer_no_error(GLuint index, GLint size, GLenum type,
 195                                    GLboolean normalized, GLsizei stride,
 196                                    const GLvoid *pointer);
 197 extern void GLAPIENTRY
 198 _mesa_VertexAttribPointer(GLuint index, GLint size, GLenum type,
 199                           GLboolean normalized, GLsizei stride,
 200                           const GLvoid *pointer);
 201
 202 void GLAPIENTRY
 203 _mesa_VertexAttribIPointer_no_error(GLuint index, GLint size, GLenum type,
 204                                     GLsizei stride, const GLvoid *ptr);
 205 void GLAPIENTRY
 206 _mesa_VertexAttribIPointer(GLuint index, GLint size, GLenum type,
 207                            GLsizei stride, const GLvoid *ptr);
 208
 209 extern void GLAPIENTRY
 210 _mesa_VertexAttribLPointer_no_error(GLuint index, GLint size, GLenum type,
 211                                     GLsizei stride, const GLvoid *pointer);
 212 extern void GLAPIENTRY
 213 _mesa_VertexAttribLPointer(GLuint index, GLint size, GLenum type,
 214                            GLsizei stride, const GLvoid *pointer);
 215
 216 extern void GLAPIENTRY
 217 _mesa_EnableVertexAttribArray(GLuint index);
 218
 219 extern void GLAPIENTRY
 220 _mesa_EnableVertexAttribArray_no_error(GLuint index);
 221
 222
 223 extern void GLAPIENTRY
 224 _mesa_EnableVertexArrayAttrib(GLuint vaobj, GLuint index);
 225
 226 extern void GLAPIENTRY
 227 _mesa_EnableVertexArrayAttrib_no_error(GLuint vaobj, GLuint index);
 228
 229
 230
 231 extern void GLAPIENTRY
 232 _mesa_DisableVertexAttribArray(GLuint index);
 233
 234 extern void GLAPIENTRY
 235 _mesa_DisableVertexAttribArray_no_error(GLuint index);
 236
 237
 238 extern void GLAPIENTRY
 239 _mesa_DisableVertexArrayAttrib(GLuint vaobj, GLuint index);
 240
 241 extern void GLAPIENTRY
 242 _mesa_DisableVertexArrayAttrib_no_error(GLuint vaobj, GLuint index);
 243
 244
 245 extern void GLAPIENTRY
 246 _mesa_GetVertexAttribdv(GLuint index, GLenum pname, GLdouble *params);
 247
 248 extern void GLAPIENTRY
 249 _mesa_GetVertexAttribfv(GLuint index, GLenum pname, GLfloat *params);
 250
 251 extern void GLAPIENTRY
 252 _mesa_GetVertexAttribLdv(GLuint index, GLenum pname, GLdouble *params);
 253
 254 extern void GLAPIENTRY
 255 _mesa_GetVertexAttribiv(GLuint index, GLenum pname, GLint *params);
 256
 257 extern void GLAPIENTRY
 258 _mesa_GetVertexAttribLui64vARB(GLuint index, GLenum pname, GLuint64EXT *params);
 259
 260
 261 extern void GLAPIENTRY
 262 _mesa_GetVertexAttribIiv(GLuint index, GLenum pname, GLint *params);
 263
 264
 265 extern void GLAPIENTRY
 266 _mesa_GetVertexAttribIuiv(GLuint index, GLenum pname, GLuint *params);
 267
 268
 269 extern void GLAPIENTRY
 270 _mesa_GetVertexAttribPointerv(GLuint index, GLenum pname, GLvoid **pointer);
 271
 272
 273 void GLAPIENTRY
 274 _mesa_GetVertexArrayIndexediv(GLuint vaobj, GLuint index,
 275                               GLenum pname, GLint *param);
 276
 277
 278 void GLAPIENTRY
 279 _mesa_GetVertexArrayIndexed64iv(GLuint vaobj, GLuint index,
 280                                 GLenum pname, GLint64 *param);
 281
 282
 283 extern void GLAPIENTRY
 284 _mesa_InterleavedArrays(GLenum format, GLsizei stride, const GLvoid *pointer);
 285
 286
 287 extern void GLAPIENTRY
 288 _mesa_MultiDrawArrays(GLenum mode, const GLint *first,
 289                       const GLsizei *count, GLsizei primcount);
 290
 291 extern void GLAPIENTRY
 292 _mesa_MultiDrawElementsEXT(GLenum mode, const GLsizei *count, GLenum type,
 293                            const GLvoid **indices, GLsizei primcount);
 294
 295 extern void GLAPIENTRY
 296 _mesa_MultiDrawElementsBaseVertex(GLenum mode,
 297                                   const GLsizei *count, GLenum type,
 298                                   const GLvoid **indices, GLsizei primcount,
 299                                   const GLint *basevertex);
 300
 301 extern void GLAPIENTRY
 302 _mesa_MultiModeDrawArraysIBM(const GLenum * mode, const GLint * first,
 303                              const GLsizei * count,
 304                              GLsizei primcount, GLint modestride );
 305
 306
 307 extern void GLAPIENTRY
 308 _mesa_MultiModeDrawElementsIBM(const GLenum * mode, const GLsizei * count,
 309                                GLenum type, const GLvoid * const * indices,
 310                                GLsizei primcount, GLint modestride );
 311
 312 extern void GLAPIENTRY
 313 _mesa_LockArraysEXT(GLint first, GLsizei count);
 314
 315 extern void GLAPIENTRY
 316 _mesa_UnlockArraysEXT(void);
 317
 318
 319 extern void GLAPIENTRY
 320 _mesa_DrawArrays(GLenum mode, GLint first, GLsizei count);
 321
 322 extern void GLAPIENTRY
 323 _mesa_DrawArraysInstanced(GLenum mode, GLint first, GLsizei count,
 324                           GLsizei primcount);
 325
 326 extern void GLAPIENTRY
 327 _mesa_DrawElements(GLenum mode, GLsizei count, GLenum type,
 328                    const GLvoid *indices);
 329
 330 extern void GLAPIENTRY
 331 _mesa_DrawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count,
 332                         GLenum type, const GLvoid *indices);
 333
 334 extern void GLAPIENTRY
 335 _mesa_DrawElementsBaseVertex(GLenum mode, GLsizei count, GLenum type,
 336                              const GLvoid *indices, GLint basevertex);
 337
 338 extern void GLAPIENTRY
 339 _mesa_DrawRangeElementsBaseVertex(GLenum mode, GLuint start, GLuint end,
 340                                   GLsizei count, GLenum type,
 341                                   const GLvoid *indices,
 342                                   GLint basevertex);
 343
 344 extern void GLAPIENTRY
 345 _mesa_DrawTransformFeedback(GLenum mode, GLuint name);
 346
 347 void GLAPIENTRY
 348 _mesa_PrimitiveRestartIndex_no_error(GLuint index);
 349
 350 extern void GLAPIENTRY
 351 _mesa_PrimitiveRestartIndex(GLuint index);
 352
 353 extern void GLAPIENTRY
 354 _mesa_VertexAttribDivisor_no_error(GLuint index, GLuint divisor);
 355 extern void GLAPIENTRY
 356 _mesa_VertexAttribDivisor(GLuint index, GLuint divisor);
 357
 358 static inline unsigned
 359 _mesa_primitive_restart_index(const struct gl_context *ctx,
 360                               unsigned index_size)
 361 {
 362    /* From the OpenGL 4.3 core specification, page 302:
 363     * "If both PRIMITIVE_RESTART and PRIMITIVE_RESTART_FIXED_INDEX are
 364     *  enabled, the index value determined by PRIMITIVE_RESTART_FIXED_INDEX
 365     *  is used."
 366     */
 367    if (ctx->Array.PrimitiveRestartFixedIndex) {
 368       /* 1 -> 0xff, 2 -> 0xffff, 4 -> 0xffffffff */
 369       return 0xffffffffu >> 8 * (4 - index_size);
 370    }
 371
 372    return ctx->Array.RestartIndex;
 373 }
 374
 375 extern void GLAPIENTRY
 376 _mesa_BindVertexBuffer_no_error(GLuint bindingIndex, GLuint buffer,
 377                                 GLintptr offset, GLsizei stride);
 378 extern void GLAPIENTRY
 379 _mesa_BindVertexBuffer(GLuint bindingIndex, GLuint buffer, GLintptr offset,
 380                        GLsizei stride);
 381
 382 void GLAPIENTRY
 383 _mesa_VertexArrayVertexBuffer_no_error(GLuint vaobj, GLuint bindingIndex,
 384                                        GLuint buffer, GLintptr offset,
 385                                        GLsizei stride);
 386 extern void GLAPIENTRY
 387 _mesa_VertexArrayVertexBuffer(GLuint vaobj, GLuint bindingIndex, GLuint buffer,
 388                               GLintptr offset, GLsizei stride);
 389
 390 void GLAPIENTRY
 391 _mesa_BindVertexBuffers_no_error(GLuint first, GLsizei count,
 392                                  const GLuint *buffers, const GLintptr *offsets,
 393                                  const GLsizei *strides);
 394
 395 extern void GLAPIENTRY
 396 _mesa_BindVertexBuffers(GLuint first, GLsizei count, const GLuint *buffers,
 397                         const GLintptr *offsets, const GLsizei *strides);
 398
 399 void GLAPIENTRY
 400 _mesa_VertexArrayVertexBuffers_no_error(GLuint vaobj, GLuint first,
 401                                         GLsizei count, const GLuint *buffers,
 402                                         const GLintptr *offsets,
 403                                         const GLsizei *strides);
 404
 405 extern void GLAPIENTRY
 406 _mesa_VertexArrayVertexBuffers(GLuint vaobj, GLuint first, GLsizei count,
 407                                const GLuint *buffers,
 408                                const GLintptr *offsets, const GLsizei *strides);
 409
 410 extern void GLAPIENTRY
 411 _mesa_VertexAttribFormat(GLuint attribIndex, GLint size, GLenum type,
 412                          GLboolean normalized, GLuint relativeOffset);
 413
 414 extern void GLAPIENTRY
 415 _mesa_VertexArrayAttribFormat(GLuint vaobj, GLuint attribIndex, GLint size,
 416                               GLenum type, GLboolean normalized,
 417                               GLuint relativeOffset);
 418
 419 extern void GLAPIENTRY
 420 _mesa_VertexAttribIFormat(GLuint attribIndex, GLint size, GLenum type,
 421                           GLuint relativeOffset);
 422
 423 extern void GLAPIENTRY
 424 _mesa_VertexArrayAttribIFormat(GLuint vaobj, GLuint attribIndex,
 425                                GLint size, GLenum type,
 426                                GLuint relativeOffset);
 427
 428 extern void GLAPIENTRY
 429 _mesa_VertexAttribLFormat(GLuint attribIndex, GLint size, GLenum type,
 430                           GLuint relativeOffset);
 431
 432 extern void GLAPIENTRY
 433 _mesa_VertexArrayAttribLFormat(GLuint vaobj, GLuint attribIndex,
 434                                GLint size, GLenum type,
 435                                GLuint relativeOffset);
 436
 437 void GLAPIENTRY
 438 _mesa_VertexAttribBinding_no_error(GLuint attribIndex, GLuint bindingIndex);
 439
 440 extern void GLAPIENTRY
 441 _mesa_VertexAttribBinding(GLuint attribIndex, GLuint bindingIndex);
 442
 443 void GLAPIENTRY
 444 _mesa_VertexArrayAttribBinding_no_error(GLuint vaobj, GLuint attribIndex,
 445                                         GLuint bindingIndex);
 446
 447 extern void GLAPIENTRY
 448 _mesa_VertexArrayAttribBinding(GLuint vaobj, GLuint attribIndex,
 449                                GLuint bindingIndex);
 450
 451 void GLAPIENTRY
 452 _mesa_VertexBindingDivisor_no_error(GLuint bindingIndex, GLuint divisor);
 453
 454 extern void GLAPIENTRY
 455 _mesa_VertexBindingDivisor(GLuint bindingIndex, GLuint divisor);
 456
 457 void GLAPIENTRY
 458 _mesa_VertexArrayBindingDivisor_no_error(GLuint vaobj, GLuint bindingIndex,
 459                                          GLuint divisor);
 460
 461 extern void GLAPIENTRY
 462 _mesa_VertexArrayBindingDivisor(GLuint vaobj, GLuint bindingIndex,
 463                                 GLuint divisor);
 464
 465
 466 /**
 467  * Shallow copy one vertex array to another.
 468  */
 469 static inline void
 470 _mesa_copy_vertex_array(struct gl_vertex_array *dst,
 471                         const struct gl_vertex_array *src)
 472 {
 473    dst->VertexAttrib = src->VertexAttrib;
 474    dst->BufferBinding = src->BufferBinding;
 475 }
 476
 477
 478 extern void
 479 _mesa_copy_vertex_attrib_array(struct gl_context *ctx,
 480                                struct gl_array_attributes *dst,
 481                                const struct gl_array_attributes *src);
 482
 483 extern void
 484 _mesa_copy_vertex_buffer_binding(struct gl_context *ctx,
 485                                  struct gl_vertex_buffer_binding *dst,
 486                                  const struct gl_vertex_buffer_binding *src);
 487
 488 extern void
 489 _mesa_print_arrays(struct gl_context *ctx);
 490
 491 extern void
 492 _mesa_init_varray(struct gl_context *ctx);
 493
 494 extern void
 495 _mesa_free_varray_data(struct gl_context *ctx);
 496
 497 #endif