varray.c revision c3e9a207d0cb650045304cac559958d275a63284
1/* 2 * Mesa 3-D graphics library 3 * Version: 7.6 4 * 5 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. 6 * Copyright (C) 2009 VMware, Inc. All Rights Reserved. 7 * 8 * Permission is hereby granted, free of charge, to any person obtaining a 9 * copy of this software and associated documentation files (the "Software"), 10 * to deal in the Software without restriction, including without limitation 11 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 12 * and/or sell copies of the Software, and to permit persons to whom the 13 * Software is furnished to do so, subject to the following conditions: 14 * 15 * The above copyright notice and this permission notice shall be included 16 * in all copies or substantial portions of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 21 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 22 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 23 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 */ 25 26 27#include "glheader.h" 28#include "imports.h" 29#include "bufferobj.h" 30#include "context.h" 31#include "enable.h" 32#include "enums.h" 33#include "hash.h" 34#include "image.h" 35#include "macros.h" 36#include "mfeatures.h" 37#include "mtypes.h" 38#include "varray.h" 39#include "arrayobj.h" 40#include "main/dispatch.h" 41 42 43/** Used to do error checking for GL_EXT_vertex_array_bgra */ 44#define BGRA_OR_4 5 45 46 47/** Used to indicate which GL datatypes are accepted by each of the 48 * glVertex/Color/Attrib/EtcPointer() functions. 49 */ 50#define BOOL_BIT 0x1 51#define BYTE_BIT 0x2 52#define UNSIGNED_BYTE_BIT 0x4 53#define SHORT_BIT 0x8 54#define UNSIGNED_SHORT_BIT 0x10 55#define INT_BIT 0x20 56#define UNSIGNED_INT_BIT 0x40 57#define HALF_BIT 0x80 58#define FLOAT_BIT 0x100 59#define DOUBLE_BIT 0x200 60#define FIXED_ES_BIT 0x400 61#define FIXED_GL_BIT 0x800 62#define UNSIGNED_INT_2_10_10_10_REV_BIT 0x1000 63#define INT_2_10_10_10_REV_BIT 0x2000 64 65 66/** Convert GL datatype enum into a <type>_BIT value seen above */ 67static GLbitfield 68type_to_bit(const struct gl_context *ctx, GLenum type) 69{ 70 switch (type) { 71 case GL_BOOL: 72 return BOOL_BIT; 73 case GL_BYTE: 74 return BYTE_BIT; 75 case GL_UNSIGNED_BYTE: 76 return UNSIGNED_BYTE_BIT; 77 case GL_SHORT: 78 return SHORT_BIT; 79 case GL_UNSIGNED_SHORT: 80 return UNSIGNED_SHORT_BIT; 81 case GL_INT: 82 return INT_BIT; 83 case GL_UNSIGNED_INT: 84 return UNSIGNED_INT_BIT; 85 case GL_HALF_FLOAT: 86 if (ctx->Extensions.ARB_half_float_vertex) 87 return HALF_BIT; 88 else 89 return 0x0; 90 case GL_FLOAT: 91 return FLOAT_BIT; 92 case GL_DOUBLE: 93 return DOUBLE_BIT; 94 case GL_FIXED: 95 return _mesa_is_desktop_gl(ctx) ? FIXED_GL_BIT : FIXED_ES_BIT; 96 case GL_UNSIGNED_INT_2_10_10_10_REV: 97 return UNSIGNED_INT_2_10_10_10_REV_BIT; 98 case GL_INT_2_10_10_10_REV: 99 return INT_2_10_10_10_REV_BIT; 100 default: 101 return 0; 102 } 103} 104 105 106/** 107 * Do error checking and update state for glVertex/Color/TexCoord/...Pointer 108 * functions. 109 * 110 * \param func name of calling function used for error reporting 111 * \param attrib the attribute array index to update 112 * \param legalTypes bitmask of *_BIT above indicating legal datatypes 113 * \param sizeMin min allowable size value 114 * \param sizeMax max allowable size value (may also be BGRA_OR_4) 115 * \param size components per element (1, 2, 3 or 4) 116 * \param type datatype of each component (GL_FLOAT, GL_INT, etc) 117 * \param stride stride between elements, in elements 118 * \param normalized are integer types converted to floats in [-1, 1]? 119 * \param integer integer-valued values (will not be normalized to [-1,1]) 120 * \param ptr the address (or offset inside VBO) of the array data 121 */ 122static void 123update_array(struct gl_context *ctx, 124 const char *func, 125 GLuint attrib, GLbitfield legalTypesMask, 126 GLint sizeMin, GLint sizeMax, 127 GLint size, GLenum type, GLsizei stride, 128 GLboolean normalized, GLboolean integer, 129 const GLvoid *ptr) 130{ 131 struct gl_client_array *array; 132 GLbitfield typeBit; 133 GLsizei elementSize; 134 GLenum format = GL_RGBA; 135 136 if (_mesa_is_gles(ctx)) { 137 /* Once Mesa gets support for GL_OES_vertex_half_float this mask will 138 * change. Adding support for this extension isn't quite as trivial as 139 * we'd like because ES uses a different enum value for GL_HALF_FLOAT. 140 */ 141 legalTypesMask &= ~(FIXED_GL_BIT | HALF_BIT | DOUBLE_BIT); 142 143 /* GL_INT and GL_UNSIGNED_INT data is not allowed in OpenGL ES until 144 * 3.0. The 2_10_10_10 types are added in OpenGL ES 3.0 or 145 * GL_OES_vertex_type_10_10_10_2. 146 */ 147 if (ctx->Version < 30) { 148 legalTypesMask &= ~(UNSIGNED_INT_BIT 149 | INT_BIT 150 | UNSIGNED_INT_2_10_10_10_REV_BIT 151 | INT_2_10_10_10_REV_BIT); 152 } 153 154 /* BGRA ordering is not supported in ES contexts. 155 */ 156 if (sizeMax == BGRA_OR_4) 157 sizeMax = 4; 158 } else { 159 legalTypesMask &= ~FIXED_ES_BIT; 160 161 if (!ctx->Extensions.ARB_ES2_compatibility) 162 legalTypesMask &= ~FIXED_GL_BIT; 163 164 if (!ctx->Extensions.ARB_vertex_type_2_10_10_10_rev) 165 legalTypesMask &= ~(UNSIGNED_INT_2_10_10_10_REV_BIT | 166 INT_2_10_10_10_REV_BIT); 167 } 168 169 typeBit = type_to_bit(ctx, type); 170 if (typeBit == 0x0 || (typeBit & legalTypesMask) == 0x0) { 171 _mesa_error(ctx, GL_INVALID_ENUM, "%s(type = %s)", 172 func, _mesa_lookup_enum_by_nr(type)); 173 return; 174 } 175 176 /* Do size parameter checking. 177 * If sizeMax = BGRA_OR_4 it means that size = GL_BGRA is legal and 178 * must be handled specially. 179 */ 180 if (ctx->Extensions.EXT_vertex_array_bgra && 181 sizeMax == BGRA_OR_4 && 182 size == GL_BGRA) { 183 GLboolean bgra_error = GL_FALSE; 184 185 if (ctx->Extensions.ARB_vertex_type_2_10_10_10_rev) { 186 if (type != GL_UNSIGNED_INT_2_10_10_10_REV && 187 type != GL_INT_2_10_10_10_REV && 188 type != GL_UNSIGNED_BYTE) 189 bgra_error = GL_TRUE; 190 } else if (type != GL_UNSIGNED_BYTE) 191 bgra_error = GL_TRUE; 192 193 if (bgra_error) { 194 _mesa_error(ctx, GL_INVALID_VALUE, "%s(GL_BGRA/GLubyte)", func); 195 return; 196 } 197 format = GL_BGRA; 198 size = 4; 199 } 200 else if (size < sizeMin || size > sizeMax || size > 4) { 201 _mesa_error(ctx, GL_INVALID_VALUE, "%s(size=%d)", func, size); 202 return; 203 } 204 205 if (ctx->Extensions.ARB_vertex_type_2_10_10_10_rev && 206 (type == GL_UNSIGNED_INT_2_10_10_10_REV || 207 type == GL_INT_2_10_10_10_REV) && size != 4) { 208 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(size=%d)", func, size); 209 return; 210 } 211 212 ASSERT(size <= 4); 213 214 if (stride < 0) { 215 _mesa_error( ctx, GL_INVALID_VALUE, "%s(stride=%d)", func, stride ); 216 return; 217 } 218 219 if (ctx->Array.ArrayObj->ARBsemantics && 220 !_mesa_is_bufferobj(ctx->Array.ArrayBufferObj)) { 221 /* GL_ARB_vertex_array_object requires that all arrays reside in VBOs. 222 * Generate GL_INVALID_OPERATION if that's not true. 223 */ 224 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(non-VBO array)", func); 225 return; 226 } 227 228 elementSize = _mesa_sizeof_type(type) * size; 229 230 array = &ctx->Array.ArrayObj->VertexAttrib[attrib]; 231 array->Size = size; 232 array->Type = type; 233 array->Format = format; 234 array->Stride = stride; 235 array->StrideB = stride ? stride : elementSize; 236 array->Normalized = normalized; 237 array->Integer = integer; 238 array->Ptr = (const GLubyte *) ptr; 239 array->_ElementSize = elementSize; 240 241 _mesa_reference_buffer_object(ctx, &array->BufferObj, 242 ctx->Array.ArrayBufferObj); 243 244 ctx->NewState |= _NEW_ARRAY; 245 ctx->Array.ArrayObj->NewArrays |= VERT_BIT(attrib); 246} 247 248 249void GLAPIENTRY 250_mesa_VertexPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr) 251{ 252 GLbitfield legalTypes = (SHORT_BIT | INT_BIT | FLOAT_BIT | 253 DOUBLE_BIT | HALF_BIT | FIXED_ES_BIT | 254 UNSIGNED_INT_2_10_10_10_REV_BIT | 255 INT_2_10_10_10_REV_BIT); 256 GET_CURRENT_CONTEXT(ctx); 257 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); 258 259 if (ctx->API == API_OPENGLES) 260 legalTypes |= BYTE_BIT; 261 262 update_array(ctx, "glVertexPointer", VERT_ATTRIB_POS, 263 legalTypes, 2, 4, 264 size, type, stride, GL_FALSE, GL_FALSE, ptr); 265} 266 267 268void GLAPIENTRY 269_mesa_NormalPointer(GLenum type, GLsizei stride, const GLvoid *ptr ) 270{ 271 GET_CURRENT_CONTEXT(ctx); 272 const GLbitfield legalTypes = (ctx->API == API_OPENGLES) 273 ? (BYTE_BIT | SHORT_BIT | FLOAT_BIT | FIXED_ES_BIT) 274 : (BYTE_BIT | SHORT_BIT | INT_BIT | 275 HALF_BIT | FLOAT_BIT | DOUBLE_BIT | 276 UNSIGNED_INT_2_10_10_10_REV_BIT | 277 INT_2_10_10_10_REV_BIT); 278 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); 279 280 update_array(ctx, "glNormalPointer", VERT_ATTRIB_NORMAL, 281 legalTypes, 3, 3, 282 3, type, stride, GL_TRUE, GL_FALSE, ptr); 283} 284 285 286void GLAPIENTRY 287_mesa_ColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr) 288{ 289 GET_CURRENT_CONTEXT(ctx); 290 const GLbitfield legalTypes = (ctx->API == API_OPENGLES) 291 ? (UNSIGNED_BYTE_BIT | HALF_BIT | FLOAT_BIT | FIXED_ES_BIT) 292 : (BYTE_BIT | UNSIGNED_BYTE_BIT | 293 SHORT_BIT | UNSIGNED_SHORT_BIT | 294 INT_BIT | UNSIGNED_INT_BIT | 295 HALF_BIT | FLOAT_BIT | DOUBLE_BIT | 296 UNSIGNED_INT_2_10_10_10_REV_BIT | 297 INT_2_10_10_10_REV_BIT); 298 const GLint sizeMin = (ctx->API == API_OPENGLES) ? 4 : 3; 299 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); 300 301 update_array(ctx, "glColorPointer", VERT_ATTRIB_COLOR0, 302 legalTypes, sizeMin, BGRA_OR_4, 303 size, type, stride, GL_TRUE, GL_FALSE, ptr); 304} 305 306 307void GLAPIENTRY 308_mesa_FogCoordPointerEXT(GLenum type, GLsizei stride, const GLvoid *ptr) 309{ 310 const GLbitfield legalTypes = (HALF_BIT | FLOAT_BIT | DOUBLE_BIT); 311 GET_CURRENT_CONTEXT(ctx); 312 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); 313 314 update_array(ctx, "glFogCoordPointer", VERT_ATTRIB_FOG, 315 legalTypes, 1, 1, 316 1, type, stride, GL_FALSE, GL_FALSE, ptr); 317} 318 319 320void GLAPIENTRY 321_mesa_IndexPointer(GLenum type, GLsizei stride, const GLvoid *ptr) 322{ 323 const GLbitfield legalTypes = (UNSIGNED_BYTE_BIT | SHORT_BIT | INT_BIT | 324 FLOAT_BIT | DOUBLE_BIT); 325 GET_CURRENT_CONTEXT(ctx); 326 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); 327 328 update_array(ctx, "glIndexPointer", VERT_ATTRIB_COLOR_INDEX, 329 legalTypes, 1, 1, 330 1, type, stride, GL_FALSE, GL_FALSE, ptr); 331} 332 333 334void GLAPIENTRY 335_mesa_SecondaryColorPointerEXT(GLint size, GLenum type, 336 GLsizei stride, const GLvoid *ptr) 337{ 338 const GLbitfield legalTypes = (BYTE_BIT | UNSIGNED_BYTE_BIT | 339 SHORT_BIT | UNSIGNED_SHORT_BIT | 340 INT_BIT | UNSIGNED_INT_BIT | 341 HALF_BIT | FLOAT_BIT | DOUBLE_BIT | 342 UNSIGNED_INT_2_10_10_10_REV_BIT | 343 INT_2_10_10_10_REV_BIT); 344 GET_CURRENT_CONTEXT(ctx); 345 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); 346 347 update_array(ctx, "glSecondaryColorPointer", VERT_ATTRIB_COLOR1, 348 legalTypes, 3, BGRA_OR_4, 349 size, type, stride, GL_TRUE, GL_FALSE, ptr); 350} 351 352 353void GLAPIENTRY 354_mesa_TexCoordPointer(GLint size, GLenum type, GLsizei stride, 355 const GLvoid *ptr) 356{ 357 GET_CURRENT_CONTEXT(ctx); 358 GLbitfield legalTypes = (ctx->API == API_OPENGLES) 359 ? (BYTE_BIT | SHORT_BIT | FLOAT_BIT | FIXED_ES_BIT) 360 : (SHORT_BIT | INT_BIT | 361 HALF_BIT | FLOAT_BIT | DOUBLE_BIT | 362 UNSIGNED_INT_2_10_10_10_REV_BIT | 363 INT_2_10_10_10_REV_BIT); 364 const GLuint unit = ctx->Array.ActiveTexture; 365 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); 366 367 update_array(ctx, "glTexCoordPointer", VERT_ATTRIB_TEX(unit), 368 legalTypes, 1, 4, 369 size, type, stride, GL_FALSE, GL_FALSE, 370 ptr); 371} 372 373 374void GLAPIENTRY 375_mesa_EdgeFlagPointer(GLsizei stride, const GLvoid *ptr) 376{ 377 const GLbitfield legalTypes = UNSIGNED_BYTE_BIT; 378 /* see table 2.4 edits in GL_EXT_gpu_shader4 spec: */ 379 const GLboolean integer = GL_TRUE; 380 GET_CURRENT_CONTEXT(ctx); 381 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); 382 383 update_array(ctx, "glEdgeFlagPointer", VERT_ATTRIB_EDGEFLAG, 384 legalTypes, 1, 1, 385 1, GL_UNSIGNED_BYTE, stride, GL_FALSE, integer, ptr); 386} 387 388 389void GLAPIENTRY 390_mesa_PointSizePointer(GLenum type, GLsizei stride, const GLvoid *ptr) 391{ 392 const GLbitfield legalTypes = (FLOAT_BIT | FIXED_ES_BIT); 393 GET_CURRENT_CONTEXT(ctx); 394 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); 395 396 if (ctx->API != API_OPENGLES) { 397 _mesa_error(ctx, GL_INVALID_OPERATION, 398 "glPointSizePointer(ES 1.x only)"); 399 return; 400 } 401 402 update_array(ctx, "glPointSizePointer", VERT_ATTRIB_POINT_SIZE, 403 legalTypes, 1, 1, 404 1, type, stride, GL_FALSE, GL_FALSE, ptr); 405} 406 407 408#if FEATURE_NV_vertex_program 409/** 410 * Set a vertex attribute array. 411 * Note that these arrays DO alias the conventional GL vertex arrays 412 * (position, normal, color, fog, texcoord, etc). 413 * The generic attribute slots at #16 and above are not touched. 414 */ 415void GLAPIENTRY 416_mesa_VertexAttribPointerNV(GLuint index, GLint size, GLenum type, 417 GLsizei stride, const GLvoid *ptr) 418{ 419 const GLbitfield legalTypes = (UNSIGNED_BYTE_BIT | SHORT_BIT | 420 FLOAT_BIT | DOUBLE_BIT); 421 GLboolean normalized = GL_FALSE; 422 GET_CURRENT_CONTEXT(ctx); 423 ASSERT_OUTSIDE_BEGIN_END(ctx); 424 425 if (index >= MAX_NV_VERTEX_PROGRAM_INPUTS) { 426 _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerNV(index)"); 427 return; 428 } 429 430 if (type == GL_UNSIGNED_BYTE && size != 4) { 431 _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerNV(size!=4)"); 432 return; 433 } 434 435 update_array(ctx, "glVertexAttribPointerNV", VERT_ATTRIB_GENERIC(index), 436 legalTypes, 1, BGRA_OR_4, 437 size, type, stride, normalized, GL_FALSE, ptr); 438} 439#endif 440 441 442#if FEATURE_ARB_vertex_program 443/** 444 * Set a generic vertex attribute array. 445 * Note that these arrays DO NOT alias the conventional GL vertex arrays 446 * (position, normal, color, fog, texcoord, etc). 447 */ 448void GLAPIENTRY 449_mesa_VertexAttribPointerARB(GLuint index, GLint size, GLenum type, 450 GLboolean normalized, 451 GLsizei stride, const GLvoid *ptr) 452{ 453 const GLbitfield legalTypes = (BYTE_BIT | UNSIGNED_BYTE_BIT | 454 SHORT_BIT | UNSIGNED_SHORT_BIT | 455 INT_BIT | UNSIGNED_INT_BIT | 456 HALF_BIT | FLOAT_BIT | DOUBLE_BIT | 457 FIXED_ES_BIT | FIXED_GL_BIT | 458 UNSIGNED_INT_2_10_10_10_REV_BIT | 459 INT_2_10_10_10_REV_BIT); 460 GET_CURRENT_CONTEXT(ctx); 461 ASSERT_OUTSIDE_BEGIN_END(ctx); 462 463 if (index >= ctx->Const.VertexProgram.MaxAttribs) { 464 _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerARB(index)"); 465 return; 466 } 467 468 update_array(ctx, "glVertexAttribPointer", VERT_ATTRIB_GENERIC(index), 469 legalTypes, 1, BGRA_OR_4, 470 size, type, stride, normalized, GL_FALSE, ptr); 471} 472#endif 473 474 475/** 476 * GL_EXT_gpu_shader4 / GL 3.0. 477 * Set an integer-valued vertex attribute array. 478 * Note that these arrays DO NOT alias the conventional GL vertex arrays 479 * (position, normal, color, fog, texcoord, etc). 480 */ 481void GLAPIENTRY 482_mesa_VertexAttribIPointer(GLuint index, GLint size, GLenum type, 483 GLsizei stride, const GLvoid *ptr) 484{ 485 const GLbitfield legalTypes = (BYTE_BIT | UNSIGNED_BYTE_BIT | 486 SHORT_BIT | UNSIGNED_SHORT_BIT | 487 INT_BIT | UNSIGNED_INT_BIT); 488 const GLboolean normalized = GL_FALSE; 489 const GLboolean integer = GL_TRUE; 490 GET_CURRENT_CONTEXT(ctx); 491 ASSERT_OUTSIDE_BEGIN_END(ctx); 492 493 if (index >= ctx->Const.VertexProgram.MaxAttribs) { 494 _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribIPointer(index)"); 495 return; 496 } 497 498 update_array(ctx, "glVertexAttribIPointer", VERT_ATTRIB_GENERIC(index), 499 legalTypes, 1, 4, 500 size, type, stride, normalized, integer, ptr); 501} 502 503 504 505void GLAPIENTRY 506_mesa_EnableVertexAttribArrayARB(GLuint index) 507{ 508 struct gl_array_object *arrayObj; 509 GET_CURRENT_CONTEXT(ctx); 510 ASSERT_OUTSIDE_BEGIN_END(ctx); 511 512 if (index >= ctx->Const.VertexProgram.MaxAttribs) { 513 _mesa_error(ctx, GL_INVALID_VALUE, 514 "glEnableVertexAttribArrayARB(index)"); 515 return; 516 } 517 518 arrayObj = ctx->Array.ArrayObj; 519 520 ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(arrayObj->VertexAttrib)); 521 522 if (!arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled) { 523 /* was disabled, now being enabled */ 524 FLUSH_VERTICES(ctx, _NEW_ARRAY); 525 arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled = GL_TRUE; 526 arrayObj->_Enabled |= VERT_BIT_GENERIC(index); 527 arrayObj->NewArrays |= VERT_BIT_GENERIC(index); 528 } 529} 530 531 532void GLAPIENTRY 533_mesa_DisableVertexAttribArrayARB(GLuint index) 534{ 535 struct gl_array_object *arrayObj; 536 GET_CURRENT_CONTEXT(ctx); 537 ASSERT_OUTSIDE_BEGIN_END(ctx); 538 539 if (index >= ctx->Const.VertexProgram.MaxAttribs) { 540 _mesa_error(ctx, GL_INVALID_VALUE, 541 "glDisableVertexAttribArrayARB(index)"); 542 return; 543 } 544 545 arrayObj = ctx->Array.ArrayObj; 546 547 ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(arrayObj->VertexAttrib)); 548 549 if (arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled) { 550 /* was enabled, now being disabled */ 551 FLUSH_VERTICES(ctx, _NEW_ARRAY); 552 arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Enabled = GL_FALSE; 553 arrayObj->_Enabled &= ~VERT_BIT_GENERIC(index); 554 arrayObj->NewArrays |= VERT_BIT_GENERIC(index); 555 } 556} 557 558 559/** 560 * Return info for a vertex attribute array (no alias with legacy 561 * vertex attributes (pos, normal, color, etc)). This function does 562 * not handle the 4-element GL_CURRENT_VERTEX_ATTRIB_ARB query. 563 */ 564static GLuint 565get_vertex_array_attrib(struct gl_context *ctx, GLuint index, GLenum pname, 566 const char *caller) 567{ 568 const struct gl_client_array *array; 569 570 if (index >= ctx->Const.VertexProgram.MaxAttribs) { 571 _mesa_error(ctx, GL_INVALID_VALUE, "%s(index=%u)", caller, index); 572 return 0; 573 } 574 575 ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(ctx->Array.ArrayObj->VertexAttrib)); 576 577 array = &ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)]; 578 579 switch (pname) { 580 case GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB: 581 return array->Enabled; 582 case GL_VERTEX_ATTRIB_ARRAY_SIZE_ARB: 583 return array->Size; 584 case GL_VERTEX_ATTRIB_ARRAY_STRIDE_ARB: 585 return array->Stride; 586 case GL_VERTEX_ATTRIB_ARRAY_TYPE_ARB: 587 return array->Type; 588 case GL_VERTEX_ATTRIB_ARRAY_NORMALIZED_ARB: 589 return array->Normalized; 590 case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB: 591 return array->BufferObj->Name; 592 case GL_VERTEX_ATTRIB_ARRAY_INTEGER: 593 if (ctx->Version >= 30 || ctx->Extensions.EXT_gpu_shader4) { 594 return array->Integer; 595 } 596 goto error; 597 case GL_VERTEX_ATTRIB_ARRAY_DIVISOR_ARB: 598 if (ctx->Extensions.ARB_instanced_arrays) { 599 return array->InstanceDivisor; 600 } 601 goto error; 602 default: 603 ; /* fall-through */ 604 } 605 606error: 607 _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=0x%x)", caller, pname); 608 return 0; 609} 610 611 612static const GLfloat * 613get_current_attrib(struct gl_context *ctx, GLuint index, const char *function) 614{ 615 if (index == 0) { 616 if (ctx->API != API_OPENGLES2) { 617 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(index==0)", function); 618 return NULL; 619 } 620 } 621 else if (index >= ctx->Const.VertexProgram.MaxAttribs) { 622 _mesa_error(ctx, GL_INVALID_VALUE, 623 "%s(index>=GL_MAX_VERTEX_ATTRIBS)", function); 624 return NULL; 625 } 626 627 ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(ctx->Array.ArrayObj->VertexAttrib)); 628 629 FLUSH_CURRENT(ctx, 0); 630 return ctx->Current.Attrib[VERT_ATTRIB_GENERIC(index)]; 631} 632 633void GLAPIENTRY 634_mesa_GetVertexAttribfvARB(GLuint index, GLenum pname, GLfloat *params) 635{ 636 GET_CURRENT_CONTEXT(ctx); 637 ASSERT_OUTSIDE_BEGIN_END(ctx); 638 639 if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) { 640 const GLfloat *v = get_current_attrib(ctx, index, "glGetVertexAttribfv"); 641 if (v != NULL) { 642 COPY_4V(params, v); 643 } 644 } 645 else { 646 params[0] = (GLfloat) get_vertex_array_attrib(ctx, index, pname, 647 "glGetVertexAttribfv"); 648 } 649} 650 651 652void GLAPIENTRY 653_mesa_GetVertexAttribdvARB(GLuint index, GLenum pname, GLdouble *params) 654{ 655 GET_CURRENT_CONTEXT(ctx); 656 ASSERT_OUTSIDE_BEGIN_END(ctx); 657 658 if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) { 659 const GLfloat *v = get_current_attrib(ctx, index, "glGetVertexAttribdv"); 660 if (v != NULL) { 661 params[0] = (GLdouble) v[0]; 662 params[1] = (GLdouble) v[1]; 663 params[2] = (GLdouble) v[2]; 664 params[3] = (GLdouble) v[3]; 665 } 666 } 667 else { 668 params[0] = (GLdouble) get_vertex_array_attrib(ctx, index, pname, 669 "glGetVertexAttribdv"); 670 } 671} 672 673 674void GLAPIENTRY 675_mesa_GetVertexAttribivARB(GLuint index, GLenum pname, GLint *params) 676{ 677 GET_CURRENT_CONTEXT(ctx); 678 ASSERT_OUTSIDE_BEGIN_END(ctx); 679 680 if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) { 681 const GLfloat *v = get_current_attrib(ctx, index, "glGetVertexAttribiv"); 682 if (v != NULL) { 683 /* XXX should floats in[0,1] be scaled to full int range? */ 684 params[0] = (GLint) v[0]; 685 params[1] = (GLint) v[1]; 686 params[2] = (GLint) v[2]; 687 params[3] = (GLint) v[3]; 688 } 689 } 690 else { 691 params[0] = (GLint) get_vertex_array_attrib(ctx, index, pname, 692 "glGetVertexAttribiv"); 693 } 694} 695 696 697/** GL 3.0 */ 698void GLAPIENTRY 699_mesa_GetVertexAttribIiv(GLuint index, GLenum pname, GLint *params) 700{ 701 GET_CURRENT_CONTEXT(ctx); 702 ASSERT_OUTSIDE_BEGIN_END(ctx); 703 704 if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) { 705 const GLfloat *v = 706 get_current_attrib(ctx, index, "glGetVertexAttribIiv"); 707 if (v != NULL) { 708 /* XXX we don't have true integer-valued vertex attribs yet */ 709 params[0] = (GLint) v[0]; 710 params[1] = (GLint) v[1]; 711 params[2] = (GLint) v[2]; 712 params[3] = (GLint) v[3]; 713 } 714 } 715 else { 716 params[0] = (GLint) get_vertex_array_attrib(ctx, index, pname, 717 "glGetVertexAttribIiv"); 718 } 719} 720 721 722/** GL 3.0 */ 723void GLAPIENTRY 724_mesa_GetVertexAttribIuiv(GLuint index, GLenum pname, GLuint *params) 725{ 726 GET_CURRENT_CONTEXT(ctx); 727 ASSERT_OUTSIDE_BEGIN_END(ctx); 728 729 if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) { 730 const GLfloat *v = 731 get_current_attrib(ctx, index, "glGetVertexAttribIuiv"); 732 if (v != NULL) { 733 /* XXX we don't have true integer-valued vertex attribs yet */ 734 params[0] = (GLuint) v[0]; 735 params[1] = (GLuint) v[1]; 736 params[2] = (GLuint) v[2]; 737 params[3] = (GLuint) v[3]; 738 } 739 } 740 else { 741 params[0] = get_vertex_array_attrib(ctx, index, pname, 742 "glGetVertexAttribIuiv"); 743 } 744} 745 746 747void GLAPIENTRY 748_mesa_GetVertexAttribPointervARB(GLuint index, GLenum pname, GLvoid **pointer) 749{ 750 GET_CURRENT_CONTEXT(ctx); 751 ASSERT_OUTSIDE_BEGIN_END(ctx); 752 753 if (index >= ctx->Const.VertexProgram.MaxAttribs) { 754 _mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribPointerARB(index)"); 755 return; 756 } 757 758 if (pname != GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB) { 759 _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribPointerARB(pname)"); 760 return; 761 } 762 763 ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(ctx->Array.ArrayObj->VertexAttrib)); 764 765 *pointer = (GLvoid *) ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)].Ptr; 766} 767 768 769void GLAPIENTRY 770_mesa_VertexPointerEXT(GLint size, GLenum type, GLsizei stride, 771 GLsizei count, const GLvoid *ptr) 772{ 773 (void) count; 774 _mesa_VertexPointer(size, type, stride, ptr); 775} 776 777 778void GLAPIENTRY 779_mesa_NormalPointerEXT(GLenum type, GLsizei stride, GLsizei count, 780 const GLvoid *ptr) 781{ 782 (void) count; 783 _mesa_NormalPointer(type, stride, ptr); 784} 785 786 787void GLAPIENTRY 788_mesa_ColorPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count, 789 const GLvoid *ptr) 790{ 791 (void) count; 792 _mesa_ColorPointer(size, type, stride, ptr); 793} 794 795 796void GLAPIENTRY 797_mesa_IndexPointerEXT(GLenum type, GLsizei stride, GLsizei count, 798 const GLvoid *ptr) 799{ 800 (void) count; 801 _mesa_IndexPointer(type, stride, ptr); 802} 803 804 805void GLAPIENTRY 806_mesa_TexCoordPointerEXT(GLint size, GLenum type, GLsizei stride, 807 GLsizei count, const GLvoid *ptr) 808{ 809 (void) count; 810 _mesa_TexCoordPointer(size, type, stride, ptr); 811} 812 813 814void GLAPIENTRY 815_mesa_EdgeFlagPointerEXT(GLsizei stride, GLsizei count, const GLboolean *ptr) 816{ 817 (void) count; 818 _mesa_EdgeFlagPointer(stride, ptr); 819} 820 821 822void GLAPIENTRY 823_mesa_InterleavedArrays(GLenum format, GLsizei stride, const GLvoid *pointer) 824{ 825 GET_CURRENT_CONTEXT(ctx); 826 GLboolean tflag, cflag, nflag; /* enable/disable flags */ 827 GLint tcomps, ccomps, vcomps; /* components per texcoord, color, vertex */ 828 GLenum ctype = 0; /* color type */ 829 GLint coffset = 0, noffset = 0, voffset;/* color, normal, vertex offsets */ 830 const GLint toffset = 0; /* always zero */ 831 GLint defstride; /* default stride */ 832 GLint c, f; 833 834 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); 835 836 f = sizeof(GLfloat); 837 c = f * ((4 * sizeof(GLubyte) + (f - 1)) / f); 838 839 if (stride < 0) { 840 _mesa_error( ctx, GL_INVALID_VALUE, "glInterleavedArrays(stride)" ); 841 return; 842 } 843 844 switch (format) { 845 case GL_V2F: 846 tflag = GL_FALSE; cflag = GL_FALSE; nflag = GL_FALSE; 847 tcomps = 0; ccomps = 0; vcomps = 2; 848 voffset = 0; 849 defstride = 2*f; 850 break; 851 case GL_V3F: 852 tflag = GL_FALSE; cflag = GL_FALSE; nflag = GL_FALSE; 853 tcomps = 0; ccomps = 0; vcomps = 3; 854 voffset = 0; 855 defstride = 3*f; 856 break; 857 case GL_C4UB_V2F: 858 tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_FALSE; 859 tcomps = 0; ccomps = 4; vcomps = 2; 860 ctype = GL_UNSIGNED_BYTE; 861 coffset = 0; 862 voffset = c; 863 defstride = c + 2*f; 864 break; 865 case GL_C4UB_V3F: 866 tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_FALSE; 867 tcomps = 0; ccomps = 4; vcomps = 3; 868 ctype = GL_UNSIGNED_BYTE; 869 coffset = 0; 870 voffset = c; 871 defstride = c + 3*f; 872 break; 873 case GL_C3F_V3F: 874 tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_FALSE; 875 tcomps = 0; ccomps = 3; vcomps = 3; 876 ctype = GL_FLOAT; 877 coffset = 0; 878 voffset = 3*f; 879 defstride = 6*f; 880 break; 881 case GL_N3F_V3F: 882 tflag = GL_FALSE; cflag = GL_FALSE; nflag = GL_TRUE; 883 tcomps = 0; ccomps = 0; vcomps = 3; 884 noffset = 0; 885 voffset = 3*f; 886 defstride = 6*f; 887 break; 888 case GL_C4F_N3F_V3F: 889 tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_TRUE; 890 tcomps = 0; ccomps = 4; vcomps = 3; 891 ctype = GL_FLOAT; 892 coffset = 0; 893 noffset = 4*f; 894 voffset = 7*f; 895 defstride = 10*f; 896 break; 897 case GL_T2F_V3F: 898 tflag = GL_TRUE; cflag = GL_FALSE; nflag = GL_FALSE; 899 tcomps = 2; ccomps = 0; vcomps = 3; 900 voffset = 2*f; 901 defstride = 5*f; 902 break; 903 case GL_T4F_V4F: 904 tflag = GL_TRUE; cflag = GL_FALSE; nflag = GL_FALSE; 905 tcomps = 4; ccomps = 0; vcomps = 4; 906 voffset = 4*f; 907 defstride = 8*f; 908 break; 909 case GL_T2F_C4UB_V3F: 910 tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_FALSE; 911 tcomps = 2; ccomps = 4; vcomps = 3; 912 ctype = GL_UNSIGNED_BYTE; 913 coffset = 2*f; 914 voffset = c+2*f; 915 defstride = c+5*f; 916 break; 917 case GL_T2F_C3F_V3F: 918 tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_FALSE; 919 tcomps = 2; ccomps = 3; vcomps = 3; 920 ctype = GL_FLOAT; 921 coffset = 2*f; 922 voffset = 5*f; 923 defstride = 8*f; 924 break; 925 case GL_T2F_N3F_V3F: 926 tflag = GL_TRUE; cflag = GL_FALSE; nflag = GL_TRUE; 927 tcomps = 2; ccomps = 0; vcomps = 3; 928 noffset = 2*f; 929 voffset = 5*f; 930 defstride = 8*f; 931 break; 932 case GL_T2F_C4F_N3F_V3F: 933 tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_TRUE; 934 tcomps = 2; ccomps = 4; vcomps = 3; 935 ctype = GL_FLOAT; 936 coffset = 2*f; 937 noffset = 6*f; 938 voffset = 9*f; 939 defstride = 12*f; 940 break; 941 case GL_T4F_C4F_N3F_V4F: 942 tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_TRUE; 943 tcomps = 4; ccomps = 4; vcomps = 4; 944 ctype = GL_FLOAT; 945 coffset = 4*f; 946 noffset = 8*f; 947 voffset = 11*f; 948 defstride = 15*f; 949 break; 950 default: 951 _mesa_error( ctx, GL_INVALID_ENUM, "glInterleavedArrays(format)" ); 952 return; 953 } 954 955 if (stride==0) { 956 stride = defstride; 957 } 958 959 _mesa_DisableClientState( GL_EDGE_FLAG_ARRAY ); 960 _mesa_DisableClientState( GL_INDEX_ARRAY ); 961 /* XXX also disable secondary color and generic arrays? */ 962 963 /* Texcoords */ 964 if (tflag) { 965 _mesa_EnableClientState( GL_TEXTURE_COORD_ARRAY ); 966 _mesa_TexCoordPointer( tcomps, GL_FLOAT, stride, 967 (GLubyte *) pointer + toffset ); 968 } 969 else { 970 _mesa_DisableClientState( GL_TEXTURE_COORD_ARRAY ); 971 } 972 973 /* Color */ 974 if (cflag) { 975 _mesa_EnableClientState( GL_COLOR_ARRAY ); 976 _mesa_ColorPointer( ccomps, ctype, stride, 977 (GLubyte *) pointer + coffset ); 978 } 979 else { 980 _mesa_DisableClientState( GL_COLOR_ARRAY ); 981 } 982 983 984 /* Normals */ 985 if (nflag) { 986 _mesa_EnableClientState( GL_NORMAL_ARRAY ); 987 _mesa_NormalPointer( GL_FLOAT, stride, (GLubyte *) pointer + noffset ); 988 } 989 else { 990 _mesa_DisableClientState( GL_NORMAL_ARRAY ); 991 } 992 993 /* Vertices */ 994 _mesa_EnableClientState( GL_VERTEX_ARRAY ); 995 _mesa_VertexPointer( vcomps, GL_FLOAT, stride, 996 (GLubyte *) pointer + voffset ); 997} 998 999 1000void GLAPIENTRY 1001_mesa_LockArraysEXT(GLint first, GLsizei count) 1002{ 1003 GET_CURRENT_CONTEXT(ctx); 1004 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); 1005 1006 if (MESA_VERBOSE & VERBOSE_API) 1007 _mesa_debug(ctx, "glLockArrays %d %d\n", first, count); 1008 1009 if (first < 0) { 1010 _mesa_error( ctx, GL_INVALID_VALUE, "glLockArraysEXT(first)" ); 1011 return; 1012 } 1013 if (count <= 0) { 1014 _mesa_error( ctx, GL_INVALID_VALUE, "glLockArraysEXT(count)" ); 1015 return; 1016 } 1017 if (ctx->Array.LockCount != 0) { 1018 _mesa_error( ctx, GL_INVALID_OPERATION, "glLockArraysEXT(reentry)" ); 1019 return; 1020 } 1021 1022 ctx->Array.LockFirst = first; 1023 ctx->Array.LockCount = count; 1024 1025 ctx->NewState |= _NEW_ARRAY; 1026} 1027 1028 1029void GLAPIENTRY 1030_mesa_UnlockArraysEXT( void ) 1031{ 1032 GET_CURRENT_CONTEXT(ctx); 1033 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); 1034 1035 if (MESA_VERBOSE & VERBOSE_API) 1036 _mesa_debug(ctx, "glUnlockArrays\n"); 1037 1038 if (ctx->Array.LockCount == 0) { 1039 _mesa_error( ctx, GL_INVALID_OPERATION, "glUnlockArraysEXT(reexit)" ); 1040 return; 1041 } 1042 1043 ctx->Array.LockFirst = 0; 1044 ctx->Array.LockCount = 0; 1045 ctx->NewState |= _NEW_ARRAY; 1046} 1047 1048 1049/* GL_EXT_multi_draw_arrays */ 1050void GLAPIENTRY 1051_mesa_MultiDrawArraysEXT( GLenum mode, const GLint *first, 1052 const GLsizei *count, GLsizei primcount ) 1053{ 1054 GET_CURRENT_CONTEXT(ctx); 1055 GLint i; 1056 1057 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); 1058 1059 for (i = 0; i < primcount; i++) { 1060 if (count[i] > 0) { 1061 CALL_DrawArrays(ctx->Exec, (mode, first[i], count[i])); 1062 } 1063 } 1064} 1065 1066 1067/* GL_IBM_multimode_draw_arrays */ 1068void GLAPIENTRY 1069_mesa_MultiModeDrawArraysIBM( const GLenum * mode, const GLint * first, 1070 const GLsizei * count, 1071 GLsizei primcount, GLint modestride ) 1072{ 1073 GET_CURRENT_CONTEXT(ctx); 1074 GLint i; 1075 1076 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); 1077 1078 for ( i = 0 ; i < primcount ; i++ ) { 1079 if ( count[i] > 0 ) { 1080 GLenum m = *((GLenum *) ((GLubyte *) mode + i * modestride)); 1081 CALL_DrawArrays(ctx->Exec, ( m, first[i], count[i] )); 1082 } 1083 } 1084} 1085 1086 1087/* GL_IBM_multimode_draw_arrays */ 1088void GLAPIENTRY 1089_mesa_MultiModeDrawElementsIBM( const GLenum * mode, const GLsizei * count, 1090 GLenum type, const GLvoid * const * indices, 1091 GLsizei primcount, GLint modestride ) 1092{ 1093 GET_CURRENT_CONTEXT(ctx); 1094 GLint i; 1095 1096 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); 1097 1098 /* XXX not sure about ARB_vertex_buffer_object handling here */ 1099 1100 for ( i = 0 ; i < primcount ; i++ ) { 1101 if ( count[i] > 0 ) { 1102 GLenum m = *((GLenum *) ((GLubyte *) mode + i * modestride)); 1103 CALL_DrawElements(ctx->Exec, ( m, count[i], type, indices[i] )); 1104 } 1105 } 1106} 1107 1108 1109/** 1110 * GL_NV_primitive_restart and GL 3.1 1111 */ 1112void GLAPIENTRY 1113_mesa_PrimitiveRestartIndex(GLuint index) 1114{ 1115 GET_CURRENT_CONTEXT(ctx); 1116 1117 if (!ctx->Extensions.NV_primitive_restart && ctx->Version < 31) { 1118 _mesa_error(ctx, GL_INVALID_OPERATION, "glPrimitiveRestartIndexNV()"); 1119 return; 1120 } 1121 1122 ASSERT_OUTSIDE_BEGIN_END(ctx); 1123 1124 if (ctx->Array.RestartIndex != index) { 1125 FLUSH_VERTICES(ctx, _NEW_TRANSFORM); 1126 ctx->Array.RestartIndex = index; 1127 } 1128} 1129 1130 1131/** 1132 * See GL_ARB_instanced_arrays. 1133 * Note that the instance divisor only applies to generic arrays, not 1134 * the legacy vertex arrays. 1135 */ 1136void GLAPIENTRY 1137_mesa_VertexAttribDivisor(GLuint index, GLuint divisor) 1138{ 1139 struct gl_client_array *array; 1140 GET_CURRENT_CONTEXT(ctx); 1141 ASSERT_OUTSIDE_BEGIN_END(ctx); 1142 1143 if (!ctx->Extensions.ARB_instanced_arrays) { 1144 _mesa_error(ctx, GL_INVALID_OPERATION, "glVertexAttribDivisor()"); 1145 return; 1146 } 1147 1148 if (index >= ctx->Const.VertexProgram.MaxAttribs) { 1149 _mesa_error(ctx, GL_INVALID_ENUM, "glVertexAttribDivisor(index = %u)", 1150 index); 1151 return; 1152 } 1153 1154 ASSERT(VERT_ATTRIB_GENERIC(index) < Elements(ctx->Array.ArrayObj->VertexAttrib)); 1155 1156 array = &ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(index)]; 1157 if (array->InstanceDivisor != divisor) { 1158 FLUSH_VERTICES(ctx, _NEW_ARRAY); 1159 array->InstanceDivisor = divisor; 1160 ctx->Array.ArrayObj->NewArrays |= VERT_BIT(VERT_ATTRIB_GENERIC(index)); 1161 } 1162} 1163 1164 1165 1166/** 1167 * Copy one client vertex array to another. 1168 */ 1169void 1170_mesa_copy_client_array(struct gl_context *ctx, 1171 struct gl_client_array *dst, 1172 struct gl_client_array *src) 1173{ 1174 dst->Size = src->Size; 1175 dst->Type = src->Type; 1176 dst->Format = src->Format; 1177 dst->Stride = src->Stride; 1178 dst->StrideB = src->StrideB; 1179 dst->Ptr = src->Ptr; 1180 dst->Enabled = src->Enabled; 1181 dst->Normalized = src->Normalized; 1182 dst->Integer = src->Integer; 1183 dst->InstanceDivisor = src->InstanceDivisor; 1184 dst->_ElementSize = src->_ElementSize; 1185 _mesa_reference_buffer_object(ctx, &dst->BufferObj, src->BufferObj); 1186 dst->_MaxElement = src->_MaxElement; 1187} 1188 1189 1190 1191/** 1192 * Print vertex array's fields. 1193 */ 1194static void 1195print_array(const char *name, GLint index, const struct gl_client_array *array) 1196{ 1197 if (index >= 0) 1198 printf(" %s[%d]: ", name, index); 1199 else 1200 printf(" %s: ", name); 1201 printf("Ptr=%p, Type=0x%x, Size=%d, ElemSize=%u, Stride=%d, Buffer=%u(Size %lu), MaxElem=%u\n", 1202 array->Ptr, array->Type, array->Size, 1203 array->_ElementSize, array->StrideB, 1204 array->BufferObj->Name, (unsigned long) array->BufferObj->Size, 1205 array->_MaxElement); 1206} 1207 1208 1209/** 1210 * Print current vertex object/array info. For debug. 1211 */ 1212void 1213_mesa_print_arrays(struct gl_context *ctx) 1214{ 1215 struct gl_array_object *arrayObj = ctx->Array.ArrayObj; 1216 GLuint i; 1217 1218 _mesa_update_array_object_max_element(ctx, arrayObj); 1219 1220 printf("Array Object %u\n", arrayObj->Name); 1221 if (arrayObj->VertexAttrib[VERT_ATTRIB_POS].Enabled) 1222 print_array("Vertex", -1, &arrayObj->VertexAttrib[VERT_ATTRIB_POS]); 1223 if (arrayObj->VertexAttrib[VERT_ATTRIB_NORMAL].Enabled) 1224 print_array("Normal", -1, &arrayObj->VertexAttrib[VERT_ATTRIB_NORMAL]); 1225 if (arrayObj->VertexAttrib[VERT_ATTRIB_COLOR0].Enabled) 1226 print_array("Color", -1, &arrayObj->VertexAttrib[VERT_ATTRIB_COLOR0]); 1227 for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) 1228 if (arrayObj->VertexAttrib[VERT_ATTRIB_TEX(i)].Enabled) 1229 print_array("TexCoord", i, &arrayObj->VertexAttrib[VERT_ATTRIB_TEX(i)]); 1230 for (i = 0; i < VERT_ATTRIB_GENERIC_MAX; i++) 1231 if (arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(i)].Enabled) 1232 print_array("Attrib", i, &arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(i)]); 1233 printf(" _MaxElement = %u\n", arrayObj->_MaxElement); 1234} 1235 1236 1237/** 1238 * Initialize vertex array state for given context. 1239 */ 1240void 1241_mesa_init_varray(struct gl_context *ctx) 1242{ 1243 ctx->Array.DefaultArrayObj = ctx->Driver.NewArrayObject(ctx, 0); 1244 _mesa_reference_array_object(ctx, &ctx->Array.ArrayObj, 1245 ctx->Array.DefaultArrayObj); 1246 ctx->Array.ActiveTexture = 0; /* GL_ARB_multitexture */ 1247 1248 ctx->Array.Objects = _mesa_NewHashTable(); 1249} 1250 1251 1252/** 1253 * Callback for deleting an array object. Called by _mesa_HashDeleteAll(). 1254 */ 1255static void 1256delete_arrayobj_cb(GLuint id, void *data, void *userData) 1257{ 1258 struct gl_array_object *arrayObj = (struct gl_array_object *) data; 1259 struct gl_context *ctx = (struct gl_context *) userData; 1260 _mesa_delete_array_object(ctx, arrayObj); 1261} 1262 1263 1264/** 1265 * Free vertex array state for given context. 1266 */ 1267void 1268_mesa_free_varray_data(struct gl_context *ctx) 1269{ 1270 _mesa_HashDeleteAll(ctx->Array.Objects, delete_arrayobj_cb, ctx); 1271 _mesa_DeleteHashTable(ctx->Array.Objects); 1272} 1273