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 "mtypes.h"
  32 #include "bufferobj.h"
  33
  34
  35 /**
  36  * Returns a pointer to the vertex attribute data in a client array,
  37  * or the offset into the vertex buffer for an array that resides in
  38  * a vertex buffer.
  39  */
  40 static inline const GLubyte *
  41 _mesa_vertex_attrib_address(const struct gl_array_attributes *array,
  42                             const struct gl_vertex_buffer_binding *binding)
  43 {
  44    if (_mesa_is_bufferobj(binding->BufferObj))
  45       return (const GLubyte *) (binding->Offset + array->RelativeOffset);
  46    else
  47       return array->Ptr;
  48 }
  49
  50
  51 /**
  52  * Sets the fields in a gl_vertex_array to values derived from a
  53  * gl_array_attributes and a gl_vertex_buffer_binding.
  54  */
  55 static inline void
  56 _mesa_update_vertex_array(struct gl_context *ctx,
  57                           struct gl_vertex_array *dst,
  58                           const struct gl_array_attributes *attribs,
  59                           const struct gl_vertex_buffer_binding *binding)
  60 {
  61    if (attribs->Enabled) {
  62       dst->Size = attribs->Size;
  63       dst->Type = attribs->Type;
  64       dst->Format = attribs->Format;
  65       dst->StrideB = binding->Stride;
  66       dst->Ptr = _mesa_vertex_attrib_address(attribs, binding);
  67       dst->Normalized = attribs->Normalized;
  68       dst->Integer = attribs->Integer;
  69       dst->Doubles = attribs->Doubles;
  70       dst->InstanceDivisor = binding->InstanceDivisor;
  71       dst->_ElementSize = attribs->_ElementSize;
  72       _mesa_reference_buffer_object(ctx, &dst->BufferObj, binding->BufferObj);
  73    } else {
  74       /* Disabled arrays shall not be consumed */
  75       dst->Size = 0;
  76       dst->Ptr = NULL;
  77       _mesa_reference_buffer_object(ctx, &dst->BufferObj, NULL);
  78    }
  79 }
  80
  81
  82 static inline bool
  83 _mesa_attr_zero_aliases_vertex(const struct gl_context *ctx)
  84 {
  85    return ctx->_AttribZeroAliasesVertex;
  86 }
  87
  88
  89 /**
  90  * This specifies the set of vertex arrays used by the driver for drawing.
  91  */
  92 static inline void
  93 _mesa_set_drawing_arrays(struct gl_context *ctx,
  94                          const struct gl_vertex_array **arrays)
  95 {
  96    if (ctx->Array._DrawArrays != arrays) {
  97       ctx->Array._DrawArrays = arrays;
  98       ctx->NewDriverState |= ctx->DriverFlags.NewArray;
  99    }
 100 }
 101
 102
 103 extern void
 104 _mesa_update_array_format(struct gl_context *ctx,
 105                           struct gl_vertex_array_object *vao,
 106                           gl_vert_attrib attrib, GLint size, GLenum type,
 107                           GLenum format, GLboolean normalized,
 108                           GLboolean integer, GLboolean doubles,
 109                           GLuint relativeOffset);
 110
 111 extern void
 112 _mesa_enable_vertex_array_attrib(struct gl_context *ctx,
 113                                  struct gl_vertex_array_object *vao,
 114                                  gl_vert_attrib attrib, bool flush_vertices);
 115
 116
 117 extern void
 118 _mesa_disable_vertex_array_attrib(struct gl_context *ctx,
 119                                   struct gl_vertex_array_object *vao,
 120                                   gl_vert_attrib attrib, bool flush_vertices);
 121
 122
 123 extern void
 124 _mesa_vertex_attrib_binding(struct gl_context *ctx,
 125                             struct gl_vertex_array_object *vao,
 126                             gl_vert_attrib attribIndex,
 127                             GLuint bindingIndex, bool flush_vertices);
 128
 129
 130 extern void
 131 _mesa_bind_vertex_buffer(struct gl_context *ctx,
 132                          struct gl_vertex_array_object *vao,
 133                          GLuint index,
 134                          struct gl_buffer_object *vbo,
 135                          GLintptr offset, GLsizei stride, bool flush_vertices);
 136
 137 extern void GLAPIENTRY
 138 _mesa_VertexPointer_no_error(GLint size, GLenum type, GLsizei stride,
 139                              const GLvoid *ptr);
 140 extern void GLAPIENTRY
 141 _mesa_VertexPointer(GLint size, GLenum type, GLsizei stride,
 142                     const GLvoid *ptr);
 143
 144 extern void GLAPIENTRY
 145 _mesa_NormalPointer_no_error(GLenum type, GLsizei stride, const GLvoid *ptr);
 146 extern void GLAPIENTRY
 147 _mesa_NormalPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
 148
 149 extern void GLAPIENTRY
 150 _mesa_ColorPointer_no_error(GLint size, GLenum type, GLsizei stride,
 151                             const GLvoid *ptr);
 152 extern void GLAPIENTRY
 153 _mesa_ColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
 154
 155
 156 extern void GLAPIENTRY
 157 _mesa_IndexPointer_no_error(GLenum type, GLsizei stride, const GLvoid *ptr);
 158 extern void GLAPIENTRY
 159 _mesa_IndexPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
 160
 161
 162 extern void GLAPIENTRY
 163 _mesa_TexCoordPointer_no_error(GLint size, GLenum type, GLsizei stride,
 164                                const GLvoid *ptr);
 165 extern void GLAPIENTRY
 166 _mesa_TexCoordPointer(GLint size, GLenum type, GLsizei stride,
 167                       const GLvoid *ptr);
 168
 169
 170 extern void GLAPIENTRY
 171 _mesa_EdgeFlagPointer_no_error(GLsizei stride, const GLvoid *ptr);
 172 extern void GLAPIENTRY
 173 _mesa_EdgeFlagPointer(GLsizei stride, const GLvoid *ptr);
 174
 175
 176 extern void GLAPIENTRY
 177 _mesa_VertexPointerEXT(GLint size, GLenum type, GLsizei stride,
 178                        GLsizei count, const GLvoid *ptr);
 179
 180
 181 extern void GLAPIENTRY
 182 _mesa_NormalPointerEXT(GLenum type, GLsizei stride, GLsizei count,
 183                        const GLvoid *ptr);
 184
 185
 186 extern void GLAPIENTRY
 187 _mesa_ColorPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count,
 188                       const GLvoid *ptr);
 189
 190
 191 extern void GLAPIENTRY
 192 _mesa_IndexPointerEXT(GLenum type, GLsizei stride, GLsizei count,
 193                       const GLvoid *ptr);
 194
 195
 196 extern void GLAPIENTRY
 197 _mesa_TexCoordPointerEXT(GLint size, GLenum type, GLsizei stride,
 198                          GLsizei count, const GLvoid *ptr);
 199
 200
 201 extern void GLAPIENTRY
 202 _mesa_EdgeFlagPointerEXT(GLsizei stride, GLsizei count, const GLboolean *ptr);
 203
 204 extern void GLAPIENTRY
 205 _mesa_FogCoordPointer_no_error(GLenum type, GLsizei stride,
 206                                const GLvoid *ptr);
 207 extern void GLAPIENTRY
 208 _mesa_FogCoordPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
 209
 210
 211 extern void GLAPIENTRY
 212 _mesa_SecondaryColorPointer_no_error(GLint size, GLenum type,
 213                                      GLsizei stride, const GLvoid *ptr);
 214 extern void GLAPIENTRY
 215 _mesa_SecondaryColorPointer(GLint size, GLenum type,
 216                             GLsizei stride, const GLvoid *ptr);
 217
 218
 219 extern void GLAPIENTRY
 220 _mesa_PointSizePointerOES_no_error(GLenum type, GLsizei stride,
 221                                    const GLvoid *ptr);
 222 extern void GLAPIENTRY
 223 _mesa_PointSizePointerOES(GLenum type, GLsizei stride, const GLvoid *ptr);
 224
 225
 226 extern void GLAPIENTRY
 227 _mesa_VertexAttribPointer_no_error(GLuint index, GLint size, GLenum type,
 228                                    GLboolean normalized, GLsizei stride,
 229                                    const GLvoid *pointer);
 230 extern void GLAPIENTRY
 231 _mesa_VertexAttribPointer(GLuint index, GLint size, GLenum type,
 232                           GLboolean normalized, GLsizei stride,
 233                           const GLvoid *pointer);
 234
 235 void GLAPIENTRY
 236 _mesa_VertexAttribIPointer_no_error(GLuint index, GLint size, GLenum type,
 237                                     GLsizei stride, const GLvoid *ptr);
 238 void GLAPIENTRY
 239 _mesa_VertexAttribIPointer(GLuint index, GLint size, GLenum type,
 240                            GLsizei stride, const GLvoid *ptr);
 241
 242 extern void GLAPIENTRY
 243 _mesa_VertexAttribLPointer_no_error(GLuint index, GLint size, GLenum type,
 244                                     GLsizei stride, const GLvoid *pointer);
 245 extern void GLAPIENTRY
 246 _mesa_VertexAttribLPointer(GLuint index, GLint size, GLenum type,
 247                            GLsizei stride, const GLvoid *pointer);
 248
 249 extern void GLAPIENTRY
 250 _mesa_EnableVertexAttribArray(GLuint index);
 251
 252 extern void GLAPIENTRY
 253 _mesa_EnableVertexAttribArray_no_error(GLuint index);
 254
 255
 256 extern void GLAPIENTRY
 257 _mesa_EnableVertexArrayAttrib(GLuint vaobj, GLuint index);
 258
 259 extern void GLAPIENTRY
 260 _mesa_EnableVertexArrayAttrib_no_error(GLuint vaobj, GLuint index);
 261
 262
 263
 264 extern void GLAPIENTRY
 265 _mesa_DisableVertexAttribArray(GLuint index);
 266
 267 extern void GLAPIENTRY
 268 _mesa_DisableVertexAttribArray_no_error(GLuint index);
 269
 270
 271 extern void GLAPIENTRY
 272 _mesa_DisableVertexArrayAttrib(GLuint vaobj, GLuint index);
 273
 274 extern void GLAPIENTRY
 275 _mesa_DisableVertexArrayAttrib_no_error(GLuint vaobj, GLuint index);
 276
 277
 278 extern void GLAPIENTRY
 279 _mesa_GetVertexAttribdv(GLuint index, GLenum pname, GLdouble *params);
 280
 281 extern void GLAPIENTRY
 282 _mesa_GetVertexAttribfv(GLuint index, GLenum pname, GLfloat *params);
 283
 284 extern void GLAPIENTRY
 285 _mesa_GetVertexAttribLdv(GLuint index, GLenum pname, GLdouble *params);
 286
 287 extern void GLAPIENTRY
 288 _mesa_GetVertexAttribiv(GLuint index, GLenum pname, GLint *params);
 289
 290 extern void GLAPIENTRY
 291 _mesa_GetVertexAttribLui64vARB(GLuint index, GLenum pname, GLuint64EXT *params);
 292
 293
 294 extern void GLAPIENTRY
 295 _mesa_GetVertexAttribIiv(GLuint index, GLenum pname, GLint *params);
 296
 297
 298 extern void GLAPIENTRY
 299 _mesa_GetVertexAttribIuiv(GLuint index, GLenum pname, GLuint *params);
 300
 301
 302 extern void GLAPIENTRY
 303 _mesa_GetVertexAttribPointerv(GLuint index, GLenum pname, GLvoid **pointer);
 304
 305
 306 void GLAPIENTRY
 307 _mesa_GetVertexArrayIndexediv(GLuint vaobj, GLuint index,
 308                               GLenum pname, GLint *param);
 309
 310
 311 void GLAPIENTRY
 312 _mesa_GetVertexArrayIndexed64iv(GLuint vaobj, GLuint index,
 313                                 GLenum pname, GLint64 *param);
 314
 315
 316 extern void GLAPIENTRY
 317 _mesa_InterleavedArrays(GLenum format, GLsizei stride, const GLvoid *pointer);
 318
 319
 320 extern void GLAPIENTRY
 321 _mesa_MultiDrawArrays(GLenum mode, const GLint *first,
 322                       const GLsizei *count, GLsizei primcount);
 323
 324 extern void GLAPIENTRY
 325 _mesa_MultiDrawElementsEXT(GLenum mode, const GLsizei *count, GLenum type,
 326                            const GLvoid **indices, GLsizei primcount);
 327
 328 extern void GLAPIENTRY
 329 _mesa_MultiDrawElementsBaseVertex(GLenum mode,
 330                                   const GLsizei *count, GLenum type,
 331                                   const GLvoid **indices, GLsizei primcount,
 332                                   const GLint *basevertex);
 333
 334 extern void GLAPIENTRY
 335 _mesa_MultiModeDrawArraysIBM(const GLenum * mode, const GLint * first,
 336                              const GLsizei * count,
 337                              GLsizei primcount, GLint modestride );
 338
 339
 340 extern void GLAPIENTRY
 341 _mesa_MultiModeDrawElementsIBM(const GLenum * mode, const GLsizei * count,
 342                                GLenum type, const GLvoid * const * indices,
 343                                GLsizei primcount, GLint modestride );
 344
 345 extern void GLAPIENTRY
 346 _mesa_LockArraysEXT(GLint first, GLsizei count);
 347
 348 extern void GLAPIENTRY
 349 _mesa_UnlockArraysEXT(void);
 350
 351
 352 extern void GLAPIENTRY
 353 _mesa_DrawArrays(GLenum mode, GLint first, GLsizei count);
 354
 355 extern void GLAPIENTRY
 356 _mesa_DrawArraysInstanced(GLenum mode, GLint first, GLsizei count,
 357                           GLsizei primcount);
 358
 359 extern void GLAPIENTRY
 360 _mesa_DrawElements(GLenum mode, GLsizei count, GLenum type,
 361                    const GLvoid *indices);
 362
 363 extern void GLAPIENTRY
 364 _mesa_DrawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count,
 365                         GLenum type, const GLvoid *indices);
 366
 367 extern void GLAPIENTRY
 368 _mesa_DrawElementsBaseVertex(GLenum mode, GLsizei count, GLenum type,
 369                              const GLvoid *indices, GLint basevertex);
 370
 371 extern void GLAPIENTRY
 372 _mesa_DrawRangeElementsBaseVertex(GLenum mode, GLuint start, GLuint end,
 373                                   GLsizei count, GLenum type,
 374                                   const GLvoid *indices,
 375                                   GLint basevertex);
 376
 377 extern void GLAPIENTRY
 378 _mesa_DrawTransformFeedback(GLenum mode, GLuint name);
 379
 380 void GLAPIENTRY
 381 _mesa_PrimitiveRestartIndex_no_error(GLuint index);
 382
 383 extern void GLAPIENTRY
 384 _mesa_PrimitiveRestartIndex(GLuint index);
 385
 386 extern void GLAPIENTRY
 387 _mesa_VertexAttribDivisor_no_error(GLuint index, GLuint divisor);
 388 extern void GLAPIENTRY
 389 _mesa_VertexAttribDivisor(GLuint index, GLuint divisor);
 390
 391 static inline unsigned
 392 _mesa_primitive_restart_index(const struct gl_context *ctx,
 393                               unsigned index_size)
 394 {
 395    /* From the OpenGL 4.3 core specification, page 302:
 396     * "If both PRIMITIVE_RESTART and PRIMITIVE_RESTART_FIXED_INDEX are
 397     *  enabled, the index value determined by PRIMITIVE_RESTART_FIXED_INDEX
 398     *  is used."
 399     */
 400    if (ctx->Array.PrimitiveRestartFixedIndex) {
 401       /* 1 -> 0xff, 2 -> 0xffff, 4 -> 0xffffffff */
 402       return 0xffffffffu >> 8 * (4 - index_size);
 403    }
 404
 405    return ctx->Array.RestartIndex;
 406 }
 407
 408 extern void GLAPIENTRY
 409 _mesa_BindVertexBuffer_no_error(GLuint bindingIndex, GLuint buffer,
 410                                 GLintptr offset, GLsizei stride);
 411 extern void GLAPIENTRY
 412 _mesa_BindVertexBuffer(GLuint bindingIndex, GLuint buffer, GLintptr offset,
 413                        GLsizei stride);
 414
 415 void GLAPIENTRY
 416 _mesa_VertexArrayVertexBuffer_no_error(GLuint vaobj, GLuint bindingIndex,
 417                                        GLuint buffer, GLintptr offset,
 418                                        GLsizei stride);
 419 extern void GLAPIENTRY
 420 _mesa_VertexArrayVertexBuffer(GLuint vaobj, GLuint bindingIndex, GLuint buffer,
 421                               GLintptr offset, GLsizei stride);
 422
 423 void GLAPIENTRY
 424 _mesa_BindVertexBuffers_no_error(GLuint first, GLsizei count,
 425                                  const GLuint *buffers, const GLintptr *offsets,
 426                                  const GLsizei *strides);
 427
 428 extern void GLAPIENTRY
 429 _mesa_BindVertexBuffers(GLuint first, GLsizei count, const GLuint *buffers,
 430                         const GLintptr *offsets, const GLsizei *strides);
 431
 432 void GLAPIENTRY
 433 _mesa_VertexArrayVertexBuffers_no_error(GLuint vaobj, GLuint first,
 434                                         GLsizei count, const GLuint *buffers,
 435                                         const GLintptr *offsets,
 436                                         const GLsizei *strides);
 437
 438 extern void GLAPIENTRY
 439 _mesa_VertexArrayVertexBuffers(GLuint vaobj, GLuint first, GLsizei count,
 440                                const GLuint *buffers,
 441                                const GLintptr *offsets, const GLsizei *strides);
 442
 443 extern void GLAPIENTRY
 444 _mesa_VertexAttribFormat(GLuint attribIndex, GLint size, GLenum type,
 445                          GLboolean normalized, GLuint relativeOffset);
 446
 447 extern void GLAPIENTRY
 448 _mesa_VertexArrayAttribFormat(GLuint vaobj, GLuint attribIndex, GLint size,
 449                               GLenum type, GLboolean normalized,
 450                               GLuint relativeOffset);
 451
 452 extern void GLAPIENTRY
 453 _mesa_VertexAttribIFormat(GLuint attribIndex, GLint size, GLenum type,
 454                           GLuint relativeOffset);
 455
 456 extern void GLAPIENTRY
 457 _mesa_VertexArrayAttribIFormat(GLuint vaobj, GLuint attribIndex,
 458                                GLint size, GLenum type,
 459                                GLuint relativeOffset);
 460
 461 extern void GLAPIENTRY
 462 _mesa_VertexAttribLFormat(GLuint attribIndex, GLint size, GLenum type,
 463                           GLuint relativeOffset);
 464
 465 extern void GLAPIENTRY
 466 _mesa_VertexArrayAttribLFormat(GLuint vaobj, GLuint attribIndex,
 467                                GLint size, GLenum type,
 468                                GLuint relativeOffset);
 469
 470 void GLAPIENTRY
 471 _mesa_VertexAttribBinding_no_error(GLuint attribIndex, GLuint bindingIndex);
 472
 473 extern void GLAPIENTRY
 474 _mesa_VertexAttribBinding(GLuint attribIndex, GLuint bindingIndex);
 475
 476 void GLAPIENTRY
 477 _mesa_VertexArrayAttribBinding_no_error(GLuint vaobj, GLuint attribIndex,
 478                                         GLuint bindingIndex);
 479
 480 extern void GLAPIENTRY
 481 _mesa_VertexArrayAttribBinding(GLuint vaobj, GLuint attribIndex,
 482                                GLuint bindingIndex);
 483
 484 void GLAPIENTRY
 485 _mesa_VertexBindingDivisor_no_error(GLuint bindingIndex, GLuint divisor);
 486
 487 extern void GLAPIENTRY
 488 _mesa_VertexBindingDivisor(GLuint bindingIndex, GLuint divisor);
 489
 490 void GLAPIENTRY
 491 _mesa_VertexArrayBindingDivisor_no_error(GLuint vaobj, GLuint bindingIndex,
 492                                          GLuint divisor);
 493
 494 extern void GLAPIENTRY
 495 _mesa_VertexArrayBindingDivisor(GLuint vaobj, GLuint bindingIndex,
 496                                 GLuint divisor);
 497
 498 extern void
 499 _mesa_copy_vertex_array(struct gl_context *ctx,
 500                         struct gl_vertex_array *dst,
 501                         struct gl_vertex_array *src);
 502
 503 extern void
 504 _mesa_copy_vertex_attrib_array(struct gl_context *ctx,
 505                                struct gl_array_attributes *dst,
 506                                const struct gl_array_attributes *src);
 507
 508 extern void
 509 _mesa_copy_vertex_buffer_binding(struct gl_context *ctx,
 510                                  struct gl_vertex_buffer_binding *dst,
 511                                  const struct gl_vertex_buffer_binding *src);
 512
 513 extern void
 514 _mesa_print_arrays(struct gl_context *ctx);
 515
 516 extern void
 517 _mesa_init_varray(struct gl_context *ctx);
 518
 519 extern void
 520 _mesa_free_varray_data(struct gl_context *ctx);
 521
 522 #endif