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