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_client_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_vertex_attrib_array *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_client_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_client_array *dst,
  59                           const struct gl_vertex_attrib_array *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, bool flush_vertices);
  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(GLint size, GLenum type, GLsizei stride,
 113                     const GLvoid *ptr);
 114
 115
 116 extern void GLAPIENTRY
 117 _mesa_NormalPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
 118
 119
 120 extern void GLAPIENTRY
 121 _mesa_ColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
 122
 123
 124 extern void GLAPIENTRY
 125 _mesa_IndexPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
 126
 127
 128 extern void GLAPIENTRY
 129 _mesa_TexCoordPointer(GLint size, GLenum type, GLsizei stride,
 130                       const GLvoid *ptr);
 131
 132
 133 extern void GLAPIENTRY
 134 _mesa_EdgeFlagPointer(GLsizei stride, const GLvoid *ptr);
 135
 136
 137 extern void GLAPIENTRY
 138 _mesa_VertexPointerEXT(GLint size, GLenum type, GLsizei stride,
 139                        GLsizei count, const GLvoid *ptr);
 140
 141
 142 extern void GLAPIENTRY
 143 _mesa_NormalPointerEXT(GLenum type, GLsizei stride, GLsizei count,
 144                        const GLvoid *ptr);
 145
 146
 147 extern void GLAPIENTRY
 148 _mesa_ColorPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count,
 149                       const GLvoid *ptr);
 150
 151
 152 extern void GLAPIENTRY
 153 _mesa_IndexPointerEXT(GLenum type, GLsizei stride, GLsizei count,
 154                       const GLvoid *ptr);
 155
 156
 157 extern void GLAPIENTRY
 158 _mesa_TexCoordPointerEXT(GLint size, GLenum type, GLsizei stride,
 159                          GLsizei count, const GLvoid *ptr);
 160
 161
 162 extern void GLAPIENTRY
 163 _mesa_EdgeFlagPointerEXT(GLsizei stride, GLsizei count, const GLboolean *ptr);
 164
 165
 166 extern void GLAPIENTRY
 167 _mesa_FogCoordPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
 168
 169
 170 extern void GLAPIENTRY
 171 _mesa_SecondaryColorPointer(GLint size, GLenum type,
 172                                GLsizei stride, const GLvoid *ptr);
 173
 174
 175 extern void GLAPIENTRY
 176 _mesa_PointSizePointerOES(GLenum type, GLsizei stride, const GLvoid *ptr);
 177
 178
 179 extern void GLAPIENTRY
 180 _mesa_VertexAttribPointer(GLuint index, GLint size, GLenum type,
 181                              GLboolean normalized, GLsizei stride,
 182                              const GLvoid *pointer);
 183
 184 void GLAPIENTRY
 185 _mesa_VertexAttribIPointer(GLuint index, GLint size, GLenum type,
 186                            GLsizei stride, const GLvoid *ptr);
 187
 188 extern void GLAPIENTRY
 189 _mesa_VertexAttribLPointer(GLuint index, GLint size, GLenum type,
 190                            GLsizei stride, const GLvoid *pointer);
 191
 192 extern void GLAPIENTRY
 193 _mesa_EnableVertexAttribArray(GLuint index);
 194
 195
 196 extern void GLAPIENTRY
 197 _mesa_EnableVertexArrayAttrib(GLuint vaobj, GLuint index);
 198
 199
 200 extern void GLAPIENTRY
 201 _mesa_DisableVertexAttribArray(GLuint index);
 202
 203
 204 extern void GLAPIENTRY
 205 _mesa_DisableVertexArrayAttrib(GLuint vaobj, GLuint index);
 206
 207
 208 extern void GLAPIENTRY
 209 _mesa_GetVertexAttribdv(GLuint index, GLenum pname, GLdouble *params);
 210
 211 extern void GLAPIENTRY
 212 _mesa_GetVertexAttribfv(GLuint index, GLenum pname, GLfloat *params);
 213
 214 extern void GLAPIENTRY
 215 _mesa_GetVertexAttribLdv(GLuint index, GLenum pname, GLdouble *params);
 216
 217 extern void GLAPIENTRY
 218 _mesa_GetVertexAttribiv(GLuint index, GLenum pname, GLint *params);
 219
 220
 221 extern void GLAPIENTRY
 222 _mesa_GetVertexAttribIiv(GLuint index, GLenum pname, GLint *params);
 223
 224
 225 extern void GLAPIENTRY
 226 _mesa_GetVertexAttribIuiv(GLuint index, GLenum pname, GLuint *params);
 227
 228
 229 extern void GLAPIENTRY
 230 _mesa_GetVertexAttribPointerv(GLuint index, GLenum pname, GLvoid **pointer);
 231
 232
 233 void GLAPIENTRY
 234 _mesa_GetVertexArrayIndexediv(GLuint vaobj, GLuint index,
 235                               GLenum pname, GLint *param);
 236
 237
 238 void GLAPIENTRY
 239 _mesa_GetVertexArrayIndexed64iv(GLuint vaobj, GLuint index,
 240                                 GLenum pname, GLint64 *param);
 241
 242
 243 extern void GLAPIENTRY
 244 _mesa_InterleavedArrays(GLenum format, GLsizei stride, const GLvoid *pointer);
 245
 246
 247 extern void GLAPIENTRY
 248 _mesa_MultiDrawArrays( GLenum mode, const GLint *first,
 249                           const GLsizei *count, GLsizei primcount );
 250
 251 extern void GLAPIENTRY
 252 _mesa_MultiDrawElementsEXT( GLenum mode, const GLsizei *count, GLenum type,
 253                             const GLvoid **indices, GLsizei primcount );
 254
 255 extern void GLAPIENTRY
 256 _mesa_MultiDrawElementsBaseVertex( GLenum mode,
 257                                    const GLsizei *count, GLenum type,
 258                                    const GLvoid **indices, GLsizei primcount,
 259                                    const GLint *basevertex);
 260
 261 extern void GLAPIENTRY
 262 _mesa_MultiModeDrawArraysIBM( const GLenum * mode, const GLint * first,
 263                               const GLsizei * count,
 264                               GLsizei primcount, GLint modestride );
 265
 266
 267 extern void GLAPIENTRY
 268 _mesa_MultiModeDrawElementsIBM( const GLenum * mode, const GLsizei * count,
 269                                 GLenum type, const GLvoid * const * indices,
 270                                 GLsizei primcount, GLint modestride );
 271
 272 extern void GLAPIENTRY
 273 _mesa_LockArraysEXT(GLint first, GLsizei count);
 274
 275 extern void GLAPIENTRY
 276 _mesa_UnlockArraysEXT( void );
 277
 278
 279 extern void GLAPIENTRY
 280 _mesa_DrawArrays(GLenum mode, GLint first, GLsizei count);
 281
 282 extern void GLAPIENTRY
 283 _mesa_DrawArraysInstanced(GLenum mode, GLint first, GLsizei count,
 284                           GLsizei primcount);
 285
 286 extern void GLAPIENTRY
 287 _mesa_DrawElements(GLenum mode, GLsizei count, GLenum type,
 288                    const GLvoid *indices);
 289
 290 extern void GLAPIENTRY
 291 _mesa_DrawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count,
 292                         GLenum type, const GLvoid *indices);
 293
 294 extern void GLAPIENTRY
 295 _mesa_DrawElementsBaseVertex(GLenum mode, GLsizei count, GLenum type,
 296                              const GLvoid *indices, GLint basevertex);
 297
 298 extern void GLAPIENTRY
 299 _mesa_DrawRangeElementsBaseVertex(GLenum mode, GLuint start, GLuint end,
 300                                   GLsizei count, GLenum type,
 301                                   const GLvoid *indices,
 302                                   GLint basevertex);
 303
 304 extern void GLAPIENTRY
 305 _mesa_DrawTransformFeedback(GLenum mode, GLuint name);
 306
 307 extern void GLAPIENTRY
 308 _mesa_PrimitiveRestartIndex(GLuint index);
 309
 310
 311 extern void GLAPIENTRY
 312 _mesa_VertexAttribDivisor(GLuint index, GLuint divisor);
 313
 314 extern unsigned
 315 _mesa_primitive_restart_index(const struct gl_context *ctx, GLenum ib_type);
 316
 317 extern void GLAPIENTRY
 318 _mesa_BindVertexBuffer(GLuint bindingIndex, GLuint buffer, GLintptr offset,
 319                        GLsizei stride);
 320
 321 extern void GLAPIENTRY
 322 _mesa_VertexArrayVertexBuffer(GLuint vaobj, GLuint bindingIndex, GLuint buffer,
 323                               GLintptr offset, GLsizei stride);
 324
 325 extern void GLAPIENTRY
 326 _mesa_BindVertexBuffers(GLuint first, GLsizei count, const GLuint *buffers,
 327                         const GLintptr *offsets, const GLsizei *strides);
 328
 329 extern void GLAPIENTRY
 330 _mesa_VertexArrayVertexBuffers(GLuint vaobj, GLuint first, GLsizei count,
 331                                const GLuint *buffers,
 332                                const GLintptr *offsets, const GLsizei *strides);
 333
 334 extern void GLAPIENTRY
 335 _mesa_VertexAttribFormat(GLuint attribIndex, GLint size, GLenum type,
 336                          GLboolean normalized, GLuint relativeOffset);
 337
 338 extern void GLAPIENTRY
 339 _mesa_VertexArrayAttribFormat(GLuint vaobj, GLuint attribIndex, GLint size,
 340                               GLenum type, GLboolean normalized,
 341                               GLuint relativeOffset);
 342
 343 extern void GLAPIENTRY
 344 _mesa_VertexAttribIFormat(GLuint attribIndex, GLint size, GLenum type,
 345                           GLuint relativeOffset);
 346
 347 extern void GLAPIENTRY
 348 _mesa_VertexArrayAttribIFormat(GLuint vaobj, GLuint attribIndex,
 349                                GLint size, GLenum type,
 350                                GLuint relativeOffset);
 351
 352 extern void GLAPIENTRY
 353 _mesa_VertexAttribLFormat(GLuint attribIndex, GLint size, GLenum type,
 354                           GLuint relativeOffset);
 355
 356 extern void GLAPIENTRY
 357 _mesa_VertexArrayAttribLFormat(GLuint vaobj, GLuint attribIndex,
 358                                GLint size, GLenum type,
 359                                GLuint relativeOffset);
 360
 361 extern void GLAPIENTRY
 362 _mesa_VertexAttribBinding(GLuint attribIndex, GLuint bindingIndex);
 363
 364 extern void GLAPIENTRY
 365 _mesa_VertexArrayAttribBinding(GLuint vaobj, GLuint attribIndex,
 366                                GLuint bindingIndex);
 367
 368 extern void GLAPIENTRY
 369 _mesa_VertexBindingDivisor(GLuint bindingIndex, GLuint divisor);
 370
 371 extern void GLAPIENTRY
 372 _mesa_VertexArrayBindingDivisor(GLuint vaobj, GLuint bindingIndex, GLuint divisor);
 373
 374 extern void
 375 _mesa_copy_client_array(struct gl_context *ctx,
 376                         struct gl_client_array *dst,
 377                         struct gl_client_array *src);
 378
 379 extern void
 380 _mesa_copy_vertex_attrib_array(struct gl_context *ctx,
 381                                struct gl_vertex_attrib_array *dst,
 382                                const struct gl_vertex_attrib_array *src);
 383
 384 extern void
 385 _mesa_copy_vertex_buffer_binding(struct gl_context *ctx,
 386                                  struct gl_vertex_buffer_binding *dst,
 387                                  const struct gl_vertex_buffer_binding *src);
 388
 389 extern void
 390 _mesa_print_arrays(struct gl_context *ctx);
 391
 392 extern void
 393 _mesa_init_varray( struct gl_context * ctx );
 394
 395 extern void
 396 _mesa_free_varray_data(struct gl_context *ctx);
 397
 398 #endif