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 "glheader.h"
  32 #include "bufferobj.h"
  33
  34 struct gl_vertex_array;
  35 struct gl_context;
  36
  37 /**
  38  * Returns a pointer to the vertex attribute data in a client array,
  39  * or the offset into the vertex buffer for an array that resides in
  40  * a vertex buffer.
  41  */
  42 static inline const GLubyte *
  43 _mesa_vertex_attrib_address(const struct gl_array_attributes *array,
  44                             const struct gl_vertex_buffer_binding *binding)
  45 {
  46    if (_mesa_is_bufferobj(binding->BufferObj))
  47       return (const GLubyte *) (binding->Offset + array->RelativeOffset);
  48    else
  49       return array->Ptr;
  50 }
  51
  52 /**
  53  * Sets the fields in a gl_vertex_array to values derived from a
  54  * gl_vertex_attrib_array and a gl_vertex_buffer_binding.
  55  */
  56 static inline void
  57 _mesa_update_client_array(struct gl_context *ctx,
  58                           struct gl_vertex_array *dst,
  59                           const struct gl_array_attributes *src,
  60                           const struct gl_vertex_buffer_binding *binding)
  61 {
  62    dst->Size = src->Size;
  63    dst->Type = src->Type;
  64    dst->Format = src->Format;
  65    dst->StrideB = binding->Stride;
  66    dst->Ptr = _mesa_vertex_attrib_address(src, binding);
  67    dst->Normalized = src->Normalized;
  68    dst->Integer = src->Integer;
  69    dst->Doubles = src->Doubles;
  70    dst->InstanceDivisor = binding->InstanceDivisor;
  71    dst->_ElementSize = src->_ElementSize;
  72    _mesa_reference_buffer_object(ctx, &dst->BufferObj, binding->BufferObj);
  73 }
  74
  75 static inline bool
  76 _mesa_attr_zero_aliases_vertex(struct gl_context *ctx)
  77 {
  78    const bool is_forward_compatible_context =
  79       ctx->Const.ContextFlags & GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT;
  80
  81    /* In OpenGL 3.1 attribute 0 becomes non-magic, just like in OpenGL ES
  82     * 2.0.  Note that we cannot just check for API_OPENGL_COMPAT here because
  83     * that will erroneously allow this usage in a 3.0 forward-compatible
  84     * context too.
  85     */
  86    return (ctx->API == API_OPENGLES
  87            || (ctx->API == API_OPENGL_COMPAT
  88                && !is_forward_compatible_context));
  89 }
  90
  91 extern void
  92 _mesa_update_array_format(struct gl_context *ctx,
  93                           struct gl_vertex_array_object *vao,
  94                           GLuint attrib, GLint size, GLenum type,
  95                           GLenum format, GLboolean normalized,
  96                           GLboolean integer, GLboolean doubles,
  97                           GLuint relativeOffset);
  98
  99 extern void
 100 _mesa_enable_vertex_array_attrib(struct gl_context *ctx,
 101                                  struct gl_vertex_array_object *vao,
 102                                  unsigned attrib);
 103
 104 extern void
 105 _mesa_bind_vertex_buffer(struct gl_context *ctx,
 106                          struct gl_vertex_array_object *vao,
 107                          GLuint index,
 108                          struct gl_buffer_object *vbo,
 109                          GLintptr offset, GLsizei stride);
 110
 111 extern void GLAPIENTRY
 112 _mesa_VertexPointer_no_error(GLint size, GLenum type, GLsizei stride,
 113                              const GLvoid *ptr);
 114 extern void GLAPIENTRY
 115 _mesa_VertexPointer(GLint size, GLenum type, GLsizei stride,
 116                     const GLvoid *ptr);
 117
 118 extern void GLAPIENTRY
 119 _mesa_NormalPointer_no_error(GLenum type, GLsizei stride, const GLvoid *ptr);
 120 extern void GLAPIENTRY
 121 _mesa_NormalPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
 122
 123 extern void GLAPIENTRY
 124 _mesa_ColorPointer_no_error(GLint size, GLenum type, GLsizei stride,
 125                             const GLvoid *ptr);
 126 extern void GLAPIENTRY
 127 _mesa_ColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
 128
 129
 130 extern void GLAPIENTRY
 131 _mesa_IndexPointer_no_error(GLenum type, GLsizei stride, const GLvoid *ptr);
 132 extern void GLAPIENTRY
 133 _mesa_IndexPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
 134
 135
 136 extern void GLAPIENTRY
 137 _mesa_TexCoordPointer_no_error(GLint size, GLenum type, GLsizei stride,
 138                                const GLvoid *ptr);
 139 extern void GLAPIENTRY
 140 _mesa_TexCoordPointer(GLint size, GLenum type, GLsizei stride,
 141                       const GLvoid *ptr);
 142
 143
 144 extern void GLAPIENTRY
 145 _mesa_EdgeFlagPointer_no_error(GLsizei stride, const GLvoid *ptr);
 146 extern void GLAPIENTRY
 147 _mesa_EdgeFlagPointer(GLsizei stride, const GLvoid *ptr);
 148
 149
 150 extern void GLAPIENTRY
 151 _mesa_VertexPointerEXT(GLint size, GLenum type, GLsizei stride,
 152                        GLsizei count, const GLvoid *ptr);
 153
 154
 155 extern void GLAPIENTRY
 156 _mesa_NormalPointerEXT(GLenum type, GLsizei stride, GLsizei count,
 157                        const GLvoid *ptr);
 158
 159
 160 extern void GLAPIENTRY
 161 _mesa_ColorPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count,
 162                       const GLvoid *ptr);
 163
 164
 165 extern void GLAPIENTRY
 166 _mesa_IndexPointerEXT(GLenum type, GLsizei stride, GLsizei count,
 167                       const GLvoid *ptr);
 168
 169
 170 extern void GLAPIENTRY
 171 _mesa_TexCoordPointerEXT(GLint size, GLenum type, GLsizei stride,
 172                          GLsizei count, const GLvoid *ptr);
 173
 174
 175 extern void GLAPIENTRY
 176 _mesa_EdgeFlagPointerEXT(GLsizei stride, GLsizei count, const GLboolean *ptr);
 177
 178 extern void GLAPIENTRY
 179 _mesa_FogCoordPointer_no_error(GLenum type, GLsizei stride,
 180                                const GLvoid *ptr);
 181 extern void GLAPIENTRY
 182 _mesa_FogCoordPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
 183
 184
 185 extern void GLAPIENTRY
 186 _mesa_SecondaryColorPointer_no_error(GLint size, GLenum type,
 187                                      GLsizei stride, const GLvoid *ptr);
 188 extern void GLAPIENTRY
 189 _mesa_SecondaryColorPointer(GLint size, GLenum type,
 190                                GLsizei stride, const GLvoid *ptr);
 191
 192
 193 extern void GLAPIENTRY
 194 _mesa_PointSizePointerOES_no_error(GLenum type, GLsizei stride,
 195                                    const GLvoid *ptr);
 196 extern void GLAPIENTRY
 197 _mesa_PointSizePointerOES(GLenum type, GLsizei stride, const GLvoid *ptr);
 198
 199
 200 extern void GLAPIENTRY
 201 _mesa_VertexAttribPointer_no_error(GLuint index, GLint size, GLenum type,
 202                                    GLboolean normalized, GLsizei stride,
 203                                    const GLvoid *pointer);
 204 extern void GLAPIENTRY
 205 _mesa_VertexAttribPointer(GLuint index, GLint size, GLenum type,
 206                              GLboolean normalized, GLsizei stride,
 207                              const GLvoid *pointer);
 208
 209 void GLAPIENTRY
 210 _mesa_VertexAttribIPointer_no_error(GLuint index, GLint size, GLenum type,
 211                                     GLsizei stride, const GLvoid *ptr);
 212 void GLAPIENTRY
 213 _mesa_VertexAttribIPointer(GLuint index, GLint size, GLenum type,
 214                            GLsizei stride, const GLvoid *ptr);
 215
 216 extern void GLAPIENTRY
 217 _mesa_VertexAttribLPointer_no_error(GLuint index, GLint size, GLenum type,
 218                                     GLsizei stride, const GLvoid *pointer);
 219 extern void GLAPIENTRY
 220 _mesa_VertexAttribLPointer(GLuint index, GLint size, GLenum type,
 221                            GLsizei stride, const GLvoid *pointer);
 222
 223 extern void GLAPIENTRY
 224 _mesa_EnableVertexAttribArray(GLuint index);
 225
 226
 227 extern void GLAPIENTRY
 228 _mesa_EnableVertexArrayAttrib(GLuint vaobj, GLuint index);
 229
 230
 231 extern void GLAPIENTRY
 232 _mesa_DisableVertexAttribArray(GLuint index);
 233
 234
 235 extern void GLAPIENTRY
 236 _mesa_DisableVertexArrayAttrib(GLuint vaobj, GLuint index);
 237
 238
 239 extern void GLAPIENTRY
 240 _mesa_GetVertexAttribdv(GLuint index, GLenum pname, GLdouble *params);
 241
 242 extern void GLAPIENTRY
 243 _mesa_GetVertexAttribfv(GLuint index, GLenum pname, GLfloat *params);
 244
 245 extern void GLAPIENTRY
 246 _mesa_GetVertexAttribLdv(GLuint index, GLenum pname, GLdouble *params);
 247
 248 extern void GLAPIENTRY
 249 _mesa_GetVertexAttribiv(GLuint index, GLenum pname, GLint *params);
 250
 251
 252 extern void GLAPIENTRY
 253 _mesa_GetVertexAttribIiv(GLuint index, GLenum pname, GLint *params);
 254
 255
 256 extern void GLAPIENTRY
 257 _mesa_GetVertexAttribIuiv(GLuint index, GLenum pname, GLuint *params);
 258
 259
 260 extern void GLAPIENTRY
 261 _mesa_GetVertexAttribPointerv(GLuint index, GLenum pname, GLvoid **pointer);
 262
 263
 264 void GLAPIENTRY
 265 _mesa_GetVertexArrayIndexediv(GLuint vaobj, GLuint index,
 266                               GLenum pname, GLint *param);
 267
 268
 269 void GLAPIENTRY
 270 _mesa_GetVertexArrayIndexed64iv(GLuint vaobj, GLuint index,
 271                                 GLenum pname, GLint64 *param);
 272
 273
 274 extern void GLAPIENTRY
 275 _mesa_InterleavedArrays(GLenum format, GLsizei stride, const GLvoid *pointer);
 276
 277
 278 extern void GLAPIENTRY
 279 _mesa_MultiDrawArrays( GLenum mode, const GLint *first,
 280                           const GLsizei *count, GLsizei primcount );
 281
 282 extern void GLAPIENTRY
 283 _mesa_MultiDrawElementsEXT( GLenum mode, const GLsizei *count, GLenum type,
 284                             const GLvoid **indices, GLsizei primcount );
 285
 286 extern void GLAPIENTRY
 287 _mesa_MultiDrawElementsBaseVertex( GLenum mode,
 288                                    const GLsizei *count, GLenum type,
 289                                    const GLvoid **indices, GLsizei primcount,
 290                                    const GLint *basevertex);
 291
 292 extern void GLAPIENTRY
 293 _mesa_MultiModeDrawArraysIBM( const GLenum * mode, const GLint * first,
 294                               const GLsizei * count,
 295                               GLsizei primcount, GLint modestride );
 296
 297
 298 extern void GLAPIENTRY
 299 _mesa_MultiModeDrawElementsIBM( const GLenum * mode, const GLsizei * count,
 300                                 GLenum type, const GLvoid * const * indices,
 301                                 GLsizei primcount, GLint modestride );
 302
 303 extern void GLAPIENTRY
 304 _mesa_LockArraysEXT(GLint first, GLsizei count);
 305
 306 extern void GLAPIENTRY
 307 _mesa_UnlockArraysEXT( void );
 308
 309
 310 extern void GLAPIENTRY
 311 _mesa_DrawArrays(GLenum mode, GLint first, GLsizei count);
 312
 313 extern void GLAPIENTRY
 314 _mesa_DrawArraysInstanced(GLenum mode, GLint first, GLsizei count,
 315                           GLsizei primcount);
 316
 317 extern void GLAPIENTRY
 318 _mesa_DrawElements(GLenum mode, GLsizei count, GLenum type,
 319                    const GLvoid *indices);
 320
 321 extern void GLAPIENTRY
 322 _mesa_DrawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count,
 323                         GLenum type, const GLvoid *indices);
 324
 325 extern void GLAPIENTRY
 326 _mesa_DrawElementsBaseVertex(GLenum mode, GLsizei count, GLenum type,
 327                              const GLvoid *indices, GLint basevertex);
 328
 329 extern void GLAPIENTRY
 330 _mesa_DrawRangeElementsBaseVertex(GLenum mode, GLuint start, GLuint end,
 331                                   GLsizei count, GLenum type,
 332                                   const GLvoid *indices,
 333                                   GLint basevertex);
 334
 335 extern void GLAPIENTRY
 336 _mesa_DrawTransformFeedback(GLenum mode, GLuint name);
 337
 338 extern void GLAPIENTRY
 339 _mesa_PrimitiveRestartIndex(GLuint index);
 340
 341 extern void GLAPIENTRY
 342 _mesa_VertexAttribDivisor_no_error(GLuint index, GLuint divisor);
 343 extern void GLAPIENTRY
 344 _mesa_VertexAttribDivisor(GLuint index, GLuint divisor);
 345
 346 static inline unsigned
 347 _mesa_primitive_restart_index(const struct gl_context *ctx,
 348                               unsigned index_size)
 349 {
 350    /* From the OpenGL 4.3 core specification, page 302:
 351     * "If both PRIMITIVE_RESTART and PRIMITIVE_RESTART_FIXED_INDEX are
 352     *  enabled, the index value determined by PRIMITIVE_RESTART_FIXED_INDEX
 353     *  is used."
 354     */
 355    if (ctx->Array.PrimitiveRestartFixedIndex) {
 356       /* 1 -> 0xff, 2 -> 0xffff, 4 -> 0xffffffff */
 357       return 0xffffffffu >> 8 * (4 - index_size);
 358    }
 359
 360    return ctx->Array.RestartIndex;
 361 }
 362
 363 extern void GLAPIENTRY
 364 _mesa_BindVertexBuffer_no_error(GLuint bindingIndex, GLuint buffer,
 365                                 GLintptr offset, GLsizei stride);
 366 extern void GLAPIENTRY
 367 _mesa_BindVertexBuffer(GLuint bindingIndex, GLuint buffer, GLintptr offset,
 368                        GLsizei stride);
 369
 370 void GLAPIENTRY
 371 _mesa_VertexArrayVertexBuffer_no_error(GLuint vaobj, GLuint bindingIndex,
 372                                        GLuint buffer, GLintptr offset,
 373                                        GLsizei stride);
 374 extern void GLAPIENTRY
 375 _mesa_VertexArrayVertexBuffer(GLuint vaobj, GLuint bindingIndex, GLuint buffer,
 376                               GLintptr offset, GLsizei stride);
 377
 378 void GLAPIENTRY
 379 _mesa_BindVertexBuffers_no_error(GLuint first, GLsizei count,
 380                                  const GLuint *buffers, const GLintptr *offsets,
 381                                  const GLsizei *strides);
 382
 383 extern void GLAPIENTRY
 384 _mesa_BindVertexBuffers(GLuint first, GLsizei count, const GLuint *buffers,
 385                         const GLintptr *offsets, const GLsizei *strides);
 386
 387 void GLAPIENTRY
 388 _mesa_VertexArrayVertexBuffers_no_error(GLuint vaobj, GLuint first,
 389                                         GLsizei count, const GLuint *buffers,
 390                                         const GLintptr *offsets,
 391                                         const GLsizei *strides);
 392
 393 extern void GLAPIENTRY
 394 _mesa_VertexArrayVertexBuffers(GLuint vaobj, GLuint first, GLsizei count,
 395                                const GLuint *buffers,
 396                                const GLintptr *offsets, const GLsizei *strides);
 397
 398 extern void GLAPIENTRY
 399 _mesa_VertexAttribFormat(GLuint attribIndex, GLint size, GLenum type,
 400                          GLboolean normalized, GLuint relativeOffset);
 401
 402 extern void GLAPIENTRY
 403 _mesa_VertexArrayAttribFormat(GLuint vaobj, GLuint attribIndex, GLint size,
 404                               GLenum type, GLboolean normalized,
 405                               GLuint relativeOffset);
 406
 407 extern void GLAPIENTRY
 408 _mesa_VertexAttribIFormat(GLuint attribIndex, GLint size, GLenum type,
 409                           GLuint relativeOffset);
 410
 411 extern void GLAPIENTRY
 412 _mesa_VertexArrayAttribIFormat(GLuint vaobj, GLuint attribIndex,
 413                                GLint size, GLenum type,
 414                                GLuint relativeOffset);
 415
 416 extern void GLAPIENTRY
 417 _mesa_VertexAttribLFormat(GLuint attribIndex, GLint size, GLenum type,
 418                           GLuint relativeOffset);
 419
 420 extern void GLAPIENTRY
 421 _mesa_VertexArrayAttribLFormat(GLuint vaobj, GLuint attribIndex,
 422                                GLint size, GLenum type,
 423                                GLuint relativeOffset);
 424
 425 extern void GLAPIENTRY
 426 _mesa_VertexAttribBinding(GLuint attribIndex, GLuint bindingIndex);
 427
 428 extern void GLAPIENTRY
 429 _mesa_VertexArrayAttribBinding(GLuint vaobj, GLuint attribIndex,
 430                                GLuint bindingIndex);
 431
 432 extern void GLAPIENTRY
 433 _mesa_VertexBindingDivisor(GLuint bindingIndex, GLuint divisor);
 434
 435 extern void GLAPIENTRY
 436 _mesa_VertexArrayBindingDivisor(GLuint vaobj, GLuint bindingIndex, GLuint divisor);
 437
 438 extern void
 439 _mesa_copy_client_array(struct gl_context *ctx,
 440                         struct gl_vertex_array *dst,
 441                         struct gl_vertex_array *src);
 442
 443 extern void
 444 _mesa_copy_vertex_attrib_array(struct gl_context *ctx,
 445                                struct gl_array_attributes *dst,
 446                                const struct gl_array_attributes *src);
 447
 448 extern void
 449 _mesa_copy_vertex_buffer_binding(struct gl_context *ctx,
 450                                  struct gl_vertex_buffer_binding *dst,
 451                                  const struct gl_vertex_buffer_binding *src);
 452
 453 extern void
 454 _mesa_print_arrays(struct gl_context *ctx);
 455
 456 extern void
 457 _mesa_init_varray( struct gl_context * ctx );
 458
 459 extern void
 460 _mesa_free_varray_data(struct gl_context *ctx);
 461
 462 #endif