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