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_bind_vertex_buffer(struct gl_context *ctx,
 103                          struct gl_vertex_array_object *vao,
 104                          GLuint index,
 105                          struct gl_buffer_object *vbo,
 106                          GLintptr offset, GLsizei stride);
 107
 108 extern void GLAPIENTRY
 109 _mesa_VertexPointer(GLint size, GLenum type, GLsizei stride,
 110                     const GLvoid *ptr);
 111
 112
 113 extern void GLAPIENTRY
 114 _mesa_NormalPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
 115
 116
 117 extern void GLAPIENTRY
 118 _mesa_ColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
 119
 120
 121 extern void GLAPIENTRY
 122 _mesa_IndexPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
 123
 124
 125 extern void GLAPIENTRY
 126 _mesa_TexCoordPointer(GLint size, GLenum type, GLsizei stride,
 127                       const GLvoid *ptr);
 128
 129
 130 extern void GLAPIENTRY
 131 _mesa_EdgeFlagPointer(GLsizei stride, const GLvoid *ptr);
 132
 133
 134 extern void GLAPIENTRY
 135 _mesa_VertexPointerEXT(GLint size, GLenum type, GLsizei stride,
 136                        GLsizei count, const GLvoid *ptr);
 137
 138
 139 extern void GLAPIENTRY
 140 _mesa_NormalPointerEXT(GLenum type, GLsizei stride, GLsizei count,
 141                        const GLvoid *ptr);
 142
 143
 144 extern void GLAPIENTRY
 145 _mesa_ColorPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count,
 146                       const GLvoid *ptr);
 147
 148
 149 extern void GLAPIENTRY
 150 _mesa_IndexPointerEXT(GLenum type, GLsizei stride, GLsizei count,
 151                       const GLvoid *ptr);
 152
 153
 154 extern void GLAPIENTRY
 155 _mesa_TexCoordPointerEXT(GLint size, GLenum type, GLsizei stride,
 156                          GLsizei count, const GLvoid *ptr);
 157
 158
 159 extern void GLAPIENTRY
 160 _mesa_EdgeFlagPointerEXT(GLsizei stride, GLsizei count, const GLboolean *ptr);
 161
 162
 163 extern void GLAPIENTRY
 164 _mesa_FogCoordPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
 165
 166
 167 extern void GLAPIENTRY
 168 _mesa_SecondaryColorPointer(GLint size, GLenum type,
 169                                GLsizei stride, const GLvoid *ptr);
 170
 171
 172 extern void GLAPIENTRY
 173 _mesa_PointSizePointerOES(GLenum type, GLsizei stride, const GLvoid *ptr);
 174
 175
 176 extern void GLAPIENTRY
 177 _mesa_VertexAttribPointer(GLuint index, GLint size, GLenum type,
 178                              GLboolean normalized, GLsizei stride,
 179                              const GLvoid *pointer);
 180
 181 void GLAPIENTRY
 182 _mesa_VertexAttribIPointer(GLuint index, GLint size, GLenum type,
 183                            GLsizei stride, const GLvoid *ptr);
 184
 185 extern void GLAPIENTRY
 186 _mesa_VertexAttribLPointer(GLuint index, GLint size, GLenum type,
 187                            GLsizei stride, const GLvoid *pointer);
 188
 189 extern void GLAPIENTRY
 190 _mesa_EnableVertexAttribArray(GLuint index);
 191
 192
 193 extern void GLAPIENTRY
 194 _mesa_EnableVertexArrayAttrib(GLuint vaobj, GLuint index);
 195
 196
 197 extern void GLAPIENTRY
 198 _mesa_DisableVertexAttribArray(GLuint index);
 199
 200
 201 extern void GLAPIENTRY
 202 _mesa_DisableVertexArrayAttrib(GLuint vaobj, GLuint index);
 203
 204
 205 extern void GLAPIENTRY
 206 _mesa_GetVertexAttribdv(GLuint index, GLenum pname, GLdouble *params);
 207
 208 extern void GLAPIENTRY
 209 _mesa_GetVertexAttribfv(GLuint index, GLenum pname, GLfloat *params);
 210
 211 extern void GLAPIENTRY
 212 _mesa_GetVertexAttribLdv(GLuint index, GLenum pname, GLdouble *params);
 213
 214 extern void GLAPIENTRY
 215 _mesa_GetVertexAttribiv(GLuint index, GLenum pname, GLint *params);
 216
 217
 218 extern void GLAPIENTRY
 219 _mesa_GetVertexAttribIiv(GLuint index, GLenum pname, GLint *params);
 220
 221
 222 extern void GLAPIENTRY
 223 _mesa_GetVertexAttribIuiv(GLuint index, GLenum pname, GLuint *params);
 224
 225
 226 extern void GLAPIENTRY
 227 _mesa_GetVertexAttribPointerv(GLuint index, GLenum pname, GLvoid **pointer);
 228
 229
 230 void GLAPIENTRY
 231 _mesa_GetVertexArrayIndexediv(GLuint vaobj, GLuint index,
 232                               GLenum pname, GLint *param);
 233
 234
 235 void GLAPIENTRY
 236 _mesa_GetVertexArrayIndexed64iv(GLuint vaobj, GLuint index,
 237                                 GLenum pname, GLint64 *param);
 238
 239
 240 extern void GLAPIENTRY
 241 _mesa_InterleavedArrays(GLenum format, GLsizei stride, const GLvoid *pointer);
 242
 243
 244 extern void GLAPIENTRY
 245 _mesa_MultiDrawArrays( GLenum mode, const GLint *first,
 246                           const GLsizei *count, GLsizei primcount );
 247
 248 extern void GLAPIENTRY
 249 _mesa_MultiDrawElementsEXT( GLenum mode, const GLsizei *count, GLenum type,
 250                             const GLvoid **indices, GLsizei primcount );
 251
 252 extern void GLAPIENTRY
 253 _mesa_MultiDrawElementsBaseVertex( GLenum mode,
 254                                    const GLsizei *count, GLenum type,
 255                                    const GLvoid **indices, GLsizei primcount,
 256                                    const GLint *basevertex);
 257
 258 extern void GLAPIENTRY
 259 _mesa_MultiModeDrawArraysIBM( const GLenum * mode, const GLint * first,
 260                               const GLsizei * count,
 261                               GLsizei primcount, GLint modestride );
 262
 263
 264 extern void GLAPIENTRY
 265 _mesa_MultiModeDrawElementsIBM( const GLenum * mode, const GLsizei * count,
 266                                 GLenum type, const GLvoid * const * indices,
 267                                 GLsizei primcount, GLint modestride );
 268
 269 extern void GLAPIENTRY
 270 _mesa_LockArraysEXT(GLint first, GLsizei count);
 271
 272 extern void GLAPIENTRY
 273 _mesa_UnlockArraysEXT( void );
 274
 275
 276 extern void GLAPIENTRY
 277 _mesa_DrawArrays(GLenum mode, GLint first, GLsizei count);
 278
 279 extern void GLAPIENTRY
 280 _mesa_DrawArraysInstanced(GLenum mode, GLint first, GLsizei count,
 281                           GLsizei primcount);
 282
 283 extern void GLAPIENTRY
 284 _mesa_DrawElements(GLenum mode, GLsizei count, GLenum type,
 285                    const GLvoid *indices);
 286
 287 extern void GLAPIENTRY
 288 _mesa_DrawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count,
 289                         GLenum type, const GLvoid *indices);
 290
 291 extern void GLAPIENTRY
 292 _mesa_DrawElementsBaseVertex(GLenum mode, GLsizei count, GLenum type,
 293                              const GLvoid *indices, GLint basevertex);
 294
 295 extern void GLAPIENTRY
 296 _mesa_DrawRangeElementsBaseVertex(GLenum mode, GLuint start, GLuint end,
 297                                   GLsizei count, GLenum type,
 298                                   const GLvoid *indices,
 299                                   GLint basevertex);
 300
 301 extern void GLAPIENTRY
 302 _mesa_DrawTransformFeedback(GLenum mode, GLuint name);
 303
 304 extern void GLAPIENTRY
 305 _mesa_PrimitiveRestartIndex(GLuint index);
 306
 307
 308 extern void GLAPIENTRY
 309 _mesa_VertexAttribDivisor(GLuint index, GLuint divisor);
 310
 311 extern unsigned
 312 _mesa_primitive_restart_index(const struct gl_context *ctx, GLenum ib_type);
 313
 314 extern void GLAPIENTRY
 315 _mesa_BindVertexBuffer(GLuint bindingIndex, GLuint buffer, GLintptr offset,
 316                        GLsizei stride);
 317
 318 extern void GLAPIENTRY
 319 _mesa_VertexArrayVertexBuffer(GLuint vaobj, GLuint bindingIndex, GLuint buffer,
 320                               GLintptr offset, GLsizei stride);
 321
 322 extern void GLAPIENTRY
 323 _mesa_BindVertexBuffers(GLuint first, GLsizei count, const GLuint *buffers,
 324                         const GLintptr *offsets, const GLsizei *strides);
 325
 326 extern void GLAPIENTRY
 327 _mesa_VertexArrayVertexBuffers(GLuint vaobj, GLuint first, GLsizei count,
 328                                const GLuint *buffers,
 329                                const GLintptr *offsets, const GLsizei *strides);
 330
 331 extern void GLAPIENTRY
 332 _mesa_VertexAttribFormat(GLuint attribIndex, GLint size, GLenum type,
 333                          GLboolean normalized, GLuint relativeOffset);
 334
 335 extern void GLAPIENTRY
 336 _mesa_VertexArrayAttribFormat(GLuint vaobj, GLuint attribIndex, GLint size,
 337                               GLenum type, GLboolean normalized,
 338                               GLuint relativeOffset);
 339
 340 extern void GLAPIENTRY
 341 _mesa_VertexAttribIFormat(GLuint attribIndex, GLint size, GLenum type,
 342                           GLuint relativeOffset);
 343
 344 extern void GLAPIENTRY
 345 _mesa_VertexArrayAttribIFormat(GLuint vaobj, GLuint attribIndex,
 346                                GLint size, GLenum type,
 347                                GLuint relativeOffset);
 348
 349 extern void GLAPIENTRY
 350 _mesa_VertexAttribLFormat(GLuint attribIndex, GLint size, GLenum type,
 351                           GLuint relativeOffset);
 352
 353 extern void GLAPIENTRY
 354 _mesa_VertexArrayAttribLFormat(GLuint vaobj, GLuint attribIndex,
 355                                GLint size, GLenum type,
 356                                GLuint relativeOffset);
 357
 358 extern void GLAPIENTRY
 359 _mesa_VertexAttribBinding(GLuint attribIndex, GLuint bindingIndex);
 360
 361 extern void GLAPIENTRY
 362 _mesa_VertexArrayAttribBinding(GLuint vaobj, GLuint attribIndex,
 363                                GLuint bindingIndex);
 364
 365 extern void GLAPIENTRY
 366 _mesa_VertexBindingDivisor(GLuint bindingIndex, GLuint divisor);
 367
 368 extern void GLAPIENTRY
 369 _mesa_VertexArrayBindingDivisor(GLuint vaobj, GLuint bindingIndex, GLuint divisor);
 370
 371 extern void
 372 _mesa_copy_client_array(struct gl_context *ctx,
 373                         struct gl_client_array *dst,
 374                         struct gl_client_array *src);
 375
 376 extern void
 377 _mesa_copy_vertex_attrib_array(struct gl_context *ctx,
 378                                struct gl_vertex_attrib_array *dst,
 379                                const struct gl_vertex_attrib_array *src);
 380
 381 extern void
 382 _mesa_copy_vertex_buffer_binding(struct gl_context *ctx,
 383                                  struct gl_vertex_buffer_binding *dst,
 384                                  const struct gl_vertex_buffer_binding *src);
 385
 386 extern void
 387 _mesa_print_arrays(struct gl_context *ctx);
 388
 389 extern void
 390 _mesa_init_varray( struct gl_context * ctx );
 391
 392 extern void
 393 _mesa_free_varray_data(struct gl_context *ctx);
 394
 395 #endif