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->Stride = src->Stride;
  66    dst->StrideB = binding->Stride;
  67    dst->Ptr = _mesa_vertex_attrib_address(src, binding);
  68    dst->Enabled = src->Enabled;
  69    dst->Normalized = src->Normalized;
  70    dst->Integer = src->Integer;
  71    dst->Doubles = src->Doubles;
  72    dst->InstanceDivisor = binding->InstanceDivisor;
  73    dst->_ElementSize = src->_ElementSize;
  74    _mesa_reference_buffer_object(ctx, &dst->BufferObj, binding->BufferObj);
  75 }
  76
  77 static inline bool
  78 _mesa_attr_zero_aliases_vertex(struct gl_context *ctx)
  79 {
  80    const bool is_forward_compatible_context =
  81       ctx->Const.ContextFlags & GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT;
  82
  83    /* In OpenGL 3.1 attribute 0 becomes non-magic, just like in OpenGL ES
  84     * 2.0.  Note that we cannot just check for API_OPENGL_COMPAT here because
  85     * that will erroneously allow this usage in a 3.0 forward-compatible
  86     * context too.
  87     */
  88    return (ctx->API == API_OPENGLES
  89            || (ctx->API == API_OPENGL_COMPAT
  90                && !is_forward_compatible_context));
  91 }
  92
  93 extern void
  94 _mesa_update_array_format(struct gl_context *ctx,
  95                           struct gl_vertex_array_object *vao,
  96                           GLuint attrib, GLint size, GLenum type,
  97                           GLenum format, GLboolean normalized,
  98                           GLboolean integer, GLboolean doubles,
  99                           GLuint relativeOffset, bool flush_vertices);
 100
 101 extern void
 102 _mesa_enable_vertex_array_attrib(struct gl_context *ctx,
 103                                  struct gl_vertex_array_object *vao,
 104                                  unsigned attrib);
 105
 106 extern void
 107 _mesa_bind_vertex_buffer(struct gl_context *ctx,
 108                          struct gl_vertex_array_object *vao,
 109                          GLuint index,
 110                          struct gl_buffer_object *vbo,
 111                          GLintptr offset, GLsizei stride);
 112
 113 extern void GLAPIENTRY
 114 _mesa_VertexPointer(GLint size, GLenum type, GLsizei stride,
 115                     const GLvoid *ptr);
 116
 117
 118 extern void GLAPIENTRY
 119 _mesa_NormalPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
 120
 121
 122 extern void GLAPIENTRY
 123 _mesa_ColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
 124
 125
 126 extern void GLAPIENTRY
 127 _mesa_IndexPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
 128
 129
 130 extern void GLAPIENTRY
 131 _mesa_TexCoordPointer(GLint size, GLenum type, GLsizei stride,
 132                       const GLvoid *ptr);
 133
 134
 135 extern void GLAPIENTRY
 136 _mesa_EdgeFlagPointer(GLsizei stride, const GLvoid *ptr);
 137
 138
 139 extern void GLAPIENTRY
 140 _mesa_VertexPointerEXT(GLint size, GLenum type, GLsizei stride,
 141                        GLsizei count, const GLvoid *ptr);
 142
 143
 144 extern void GLAPIENTRY
 145 _mesa_NormalPointerEXT(GLenum type, GLsizei stride, GLsizei count,
 146                        const GLvoid *ptr);
 147
 148
 149 extern void GLAPIENTRY
 150 _mesa_ColorPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count,
 151                       const GLvoid *ptr);
 152
 153
 154 extern void GLAPIENTRY
 155 _mesa_IndexPointerEXT(GLenum type, GLsizei stride, GLsizei count,
 156                       const GLvoid *ptr);
 157
 158
 159 extern void GLAPIENTRY
 160 _mesa_TexCoordPointerEXT(GLint size, GLenum type, GLsizei stride,
 161                          GLsizei count, const GLvoid *ptr);
 162
 163
 164 extern void GLAPIENTRY
 165 _mesa_EdgeFlagPointerEXT(GLsizei stride, GLsizei count, const GLboolean *ptr);
 166
 167
 168 extern void GLAPIENTRY
 169 _mesa_FogCoordPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
 170
 171
 172 extern void GLAPIENTRY
 173 _mesa_SecondaryColorPointer(GLint size, GLenum type,
 174                                GLsizei stride, const GLvoid *ptr);
 175
 176
 177 extern void GLAPIENTRY
 178 _mesa_PointSizePointerOES(GLenum type, GLsizei stride, const GLvoid *ptr);
 179
 180
 181 extern void GLAPIENTRY
 182 _mesa_VertexAttribPointer(GLuint index, GLint size, GLenum type,
 183                              GLboolean normalized, GLsizei stride,
 184                              const GLvoid *pointer);
 185
 186 void GLAPIENTRY
 187 _mesa_VertexAttribIPointer(GLuint index, GLint size, GLenum type,
 188                            GLsizei stride, const GLvoid *ptr);
 189
 190 extern void GLAPIENTRY
 191 _mesa_VertexAttribLPointer(GLuint index, GLint size, GLenum type,
 192                            GLsizei stride, const GLvoid *pointer);
 193
 194 extern void GLAPIENTRY
 195 _mesa_EnableVertexAttribArray(GLuint index);
 196
 197
 198 extern void GLAPIENTRY
 199 _mesa_EnableVertexArrayAttrib(GLuint vaobj, GLuint index);
 200
 201
 202 extern void GLAPIENTRY
 203 _mesa_DisableVertexAttribArray(GLuint index);
 204
 205
 206 extern void GLAPIENTRY
 207 _mesa_DisableVertexArrayAttrib(GLuint vaobj, GLuint index);
 208
 209
 210 extern void GLAPIENTRY
 211 _mesa_GetVertexAttribdv(GLuint index, GLenum pname, GLdouble *params);
 212
 213 extern void GLAPIENTRY
 214 _mesa_GetVertexAttribfv(GLuint index, GLenum pname, GLfloat *params);
 215
 216 extern void GLAPIENTRY
 217 _mesa_GetVertexAttribLdv(GLuint index, GLenum pname, GLdouble *params);
 218
 219 extern void GLAPIENTRY
 220 _mesa_GetVertexAttribiv(GLuint index, GLenum pname, GLint *params);
 221
 222
 223 extern void GLAPIENTRY
 224 _mesa_GetVertexAttribIiv(GLuint index, GLenum pname, GLint *params);
 225
 226
 227 extern void GLAPIENTRY
 228 _mesa_GetVertexAttribIuiv(GLuint index, GLenum pname, GLuint *params);
 229
 230
 231 extern void GLAPIENTRY
 232 _mesa_GetVertexAttribPointerv(GLuint index, GLenum pname, GLvoid **pointer);
 233
 234
 235 void GLAPIENTRY
 236 _mesa_GetVertexArrayIndexediv(GLuint vaobj, GLuint index,
 237                               GLenum pname, GLint *param);
 238
 239
 240 void GLAPIENTRY
 241 _mesa_GetVertexArrayIndexed64iv(GLuint vaobj, GLuint index,
 242                                 GLenum pname, GLint64 *param);
 243
 244
 245 extern void GLAPIENTRY
 246 _mesa_InterleavedArrays(GLenum format, GLsizei stride, const GLvoid *pointer);
 247
 248
 249 extern void GLAPIENTRY
 250 _mesa_MultiDrawArrays( GLenum mode, const GLint *first,
 251                           const GLsizei *count, GLsizei primcount );
 252
 253 extern void GLAPIENTRY
 254 _mesa_MultiDrawElementsEXT( GLenum mode, const GLsizei *count, GLenum type,
 255                             const GLvoid **indices, GLsizei primcount );
 256
 257 extern void GLAPIENTRY
 258 _mesa_MultiDrawElementsBaseVertex( GLenum mode,
 259                                    const GLsizei *count, GLenum type,
 260                                    const GLvoid **indices, GLsizei primcount,
 261                                    const GLint *basevertex);
 262
 263 extern void GLAPIENTRY
 264 _mesa_MultiModeDrawArraysIBM( const GLenum * mode, const GLint * first,
 265                               const GLsizei * count,
 266                               GLsizei primcount, GLint modestride );
 267
 268
 269 extern void GLAPIENTRY
 270 _mesa_MultiModeDrawElementsIBM( const GLenum * mode, const GLsizei * count,
 271                                 GLenum type, const GLvoid * const * indices,
 272                                 GLsizei primcount, GLint modestride );
 273
 274 extern void GLAPIENTRY
 275 _mesa_LockArraysEXT(GLint first, GLsizei count);
 276
 277 extern void GLAPIENTRY
 278 _mesa_UnlockArraysEXT( void );
 279
 280
 281 extern void GLAPIENTRY
 282 _mesa_DrawArrays(GLenum mode, GLint first, GLsizei count);
 283
 284 extern void GLAPIENTRY
 285 _mesa_DrawArraysInstanced(GLenum mode, GLint first, GLsizei count,
 286                           GLsizei primcount);
 287
 288 extern void GLAPIENTRY
 289 _mesa_DrawElements(GLenum mode, GLsizei count, GLenum type,
 290                    const GLvoid *indices);
 291
 292 extern void GLAPIENTRY
 293 _mesa_DrawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count,
 294                         GLenum type, const GLvoid *indices);
 295
 296 extern void GLAPIENTRY
 297 _mesa_DrawElementsBaseVertex(GLenum mode, GLsizei count, GLenum type,
 298                              const GLvoid *indices, GLint basevertex);
 299
 300 extern void GLAPIENTRY
 301 _mesa_DrawRangeElementsBaseVertex(GLenum mode, GLuint start, GLuint end,
 302                                   GLsizei count, GLenum type,
 303                                   const GLvoid *indices,
 304                                   GLint basevertex);
 305
 306 extern void GLAPIENTRY
 307 _mesa_DrawTransformFeedback(GLenum mode, GLuint name);
 308
 309 extern void GLAPIENTRY
 310 _mesa_PrimitiveRestartIndex(GLuint index);
 311
 312
 313 extern void GLAPIENTRY
 314 _mesa_VertexAttribDivisor(GLuint index, GLuint divisor);
 315
 316 extern unsigned
 317 _mesa_primitive_restart_index(const struct gl_context *ctx, GLenum ib_type);
 318
 319 extern void GLAPIENTRY
 320 _mesa_BindVertexBuffer(GLuint bindingIndex, GLuint buffer, GLintptr offset,
 321                        GLsizei stride);
 322
 323 extern void GLAPIENTRY
 324 _mesa_VertexArrayVertexBuffer(GLuint vaobj, GLuint bindingIndex, GLuint buffer,
 325                               GLintptr offset, GLsizei stride);
 326
 327 extern void GLAPIENTRY
 328 _mesa_BindVertexBuffers(GLuint first, GLsizei count, const GLuint *buffers,
 329                         const GLintptr *offsets, const GLsizei *strides);
 330
 331 extern void GLAPIENTRY
 332 _mesa_VertexArrayVertexBuffers(GLuint vaobj, GLuint first, GLsizei count,
 333                                const GLuint *buffers,
 334                                const GLintptr *offsets, const GLsizei *strides);
 335
 336 extern void GLAPIENTRY
 337 _mesa_VertexAttribFormat(GLuint attribIndex, GLint size, GLenum type,
 338                          GLboolean normalized, GLuint relativeOffset);
 339
 340 extern void GLAPIENTRY
 341 _mesa_VertexArrayAttribFormat(GLuint vaobj, GLuint attribIndex, GLint size,
 342                               GLenum type, GLboolean normalized,
 343                               GLuint relativeOffset);
 344
 345 extern void GLAPIENTRY
 346 _mesa_VertexAttribIFormat(GLuint attribIndex, GLint size, GLenum type,
 347                           GLuint relativeOffset);
 348
 349 extern void GLAPIENTRY
 350 _mesa_VertexArrayAttribIFormat(GLuint vaobj, GLuint attribIndex,
 351                                GLint size, GLenum type,
 352                                GLuint relativeOffset);
 353
 354 extern void GLAPIENTRY
 355 _mesa_VertexAttribLFormat(GLuint attribIndex, GLint size, GLenum type,
 356                           GLuint relativeOffset);
 357
 358 extern void GLAPIENTRY
 359 _mesa_VertexArrayAttribLFormat(GLuint vaobj, GLuint attribIndex,
 360                                GLint size, GLenum type,
 361                                GLuint relativeOffset);
 362
 363 extern void GLAPIENTRY
 364 _mesa_VertexAttribBinding(GLuint attribIndex, GLuint bindingIndex);
 365
 366 extern void GLAPIENTRY
 367 _mesa_VertexArrayAttribBinding(GLuint vaobj, GLuint attribIndex,
 368                                GLuint bindingIndex);
 369
 370 extern void GLAPIENTRY
 371 _mesa_VertexBindingDivisor(GLuint bindingIndex, GLuint divisor);
 372
 373 extern void GLAPIENTRY
 374 _mesa_VertexArrayBindingDivisor(GLuint vaobj, GLuint bindingIndex, GLuint divisor);
 375
 376 extern void
 377 _mesa_copy_client_array(struct gl_context *ctx,
 378                         struct gl_client_array *dst,
 379                         struct gl_client_array *src);
 380
 381 extern void
 382 _mesa_copy_vertex_attrib_array(struct gl_context *ctx,
 383                                struct gl_vertex_attrib_array *dst,
 384                                const struct gl_vertex_attrib_array *src);
 385
 386 extern void
 387 _mesa_copy_vertex_buffer_binding(struct gl_context *ctx,
 388                                  struct gl_vertex_buffer_binding *dst,
 389                                  const struct gl_vertex_buffer_binding *src);
 390
 391 extern void
 392 _mesa_print_arrays(struct gl_context *ctx);
 393
 394 extern void
 395 _mesa_init_varray( struct gl_context * ctx );
 396
 397 extern void
 398 _mesa_free_varray_data(struct gl_context *ctx);
 399
 400 #endif