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