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_bind_vertex_buffer(struct gl_context *ctx,
  95                          struct gl_vertex_array_object *vao,
  96                          GLuint index,
  97                          struct gl_buffer_object *vbo,
  98                          GLintptr offset, GLsizei stride);
  99
 100 extern void GLAPIENTRY
 101 _mesa_VertexPointer(GLint size, GLenum type, GLsizei stride,
 102                     const GLvoid *ptr);
 103
 104
 105 extern void GLAPIENTRY
 106 _mesa_NormalPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
 107
 108
 109 extern void GLAPIENTRY
 110 _mesa_ColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
 111
 112
 113 extern void GLAPIENTRY
 114 _mesa_IndexPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
 115
 116
 117 extern void GLAPIENTRY
 118 _mesa_TexCoordPointer(GLint size, GLenum type, GLsizei stride,
 119                       const GLvoid *ptr);
 120
 121
 122 extern void GLAPIENTRY
 123 _mesa_EdgeFlagPointer(GLsizei stride, const GLvoid *ptr);
 124
 125
 126 extern void GLAPIENTRY
 127 _mesa_VertexPointerEXT(GLint size, GLenum type, GLsizei stride,
 128                        GLsizei count, const GLvoid *ptr);
 129
 130
 131 extern void GLAPIENTRY
 132 _mesa_NormalPointerEXT(GLenum type, GLsizei stride, GLsizei count,
 133                        const GLvoid *ptr);
 134
 135
 136 extern void GLAPIENTRY
 137 _mesa_ColorPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count,
 138                       const GLvoid *ptr);
 139
 140
 141 extern void GLAPIENTRY
 142 _mesa_IndexPointerEXT(GLenum type, GLsizei stride, GLsizei count,
 143                       const GLvoid *ptr);
 144
 145
 146 extern void GLAPIENTRY
 147 _mesa_TexCoordPointerEXT(GLint size, GLenum type, GLsizei stride,
 148                          GLsizei count, const GLvoid *ptr);
 149
 150
 151 extern void GLAPIENTRY
 152 _mesa_EdgeFlagPointerEXT(GLsizei stride, GLsizei count, const GLboolean *ptr);
 153
 154
 155 extern void GLAPIENTRY
 156 _mesa_FogCoordPointer(GLenum type, GLsizei stride, const GLvoid *ptr);
 157
 158
 159 extern void GLAPIENTRY
 160 _mesa_SecondaryColorPointer(GLint size, GLenum type,
 161                                GLsizei stride, const GLvoid *ptr);
 162
 163
 164 extern void GLAPIENTRY
 165 _mesa_PointSizePointerOES(GLenum type, GLsizei stride, const GLvoid *ptr);
 166
 167
 168 extern void GLAPIENTRY
 169 _mesa_VertexAttribPointer(GLuint index, GLint size, GLenum type,
 170                              GLboolean normalized, GLsizei stride,
 171                              const GLvoid *pointer);
 172
 173 void GLAPIENTRY
 174 _mesa_VertexAttribIPointer(GLuint index, GLint size, GLenum type,
 175                            GLsizei stride, const GLvoid *ptr);
 176
 177 extern void GLAPIENTRY
 178 _mesa_VertexAttribLPointer(GLuint index, GLint size, GLenum type,
 179                            GLsizei stride, const GLvoid *pointer);
 180
 181 extern void GLAPIENTRY
 182 _mesa_EnableVertexAttribArray(GLuint index);
 183
 184
 185 extern void GLAPIENTRY
 186 _mesa_EnableVertexArrayAttrib(GLuint vaobj, GLuint index);
 187
 188
 189 extern void GLAPIENTRY
 190 _mesa_DisableVertexAttribArray(GLuint index);
 191
 192
 193 extern void GLAPIENTRY
 194 _mesa_DisableVertexArrayAttrib(GLuint vaobj, GLuint index);
 195
 196
 197 extern void GLAPIENTRY
 198 _mesa_GetVertexAttribdv(GLuint index, GLenum pname, GLdouble *params);
 199
 200 extern void GLAPIENTRY
 201 _mesa_GetVertexAttribfv(GLuint index, GLenum pname, GLfloat *params);
 202
 203 extern void GLAPIENTRY
 204 _mesa_GetVertexAttribLdv(GLuint index, GLenum pname, GLdouble *params);
 205
 206 extern void GLAPIENTRY
 207 _mesa_GetVertexAttribiv(GLuint index, GLenum pname, GLint *params);
 208
 209
 210 extern void GLAPIENTRY
 211 _mesa_GetVertexAttribIiv(GLuint index, GLenum pname, GLint *params);
 212
 213
 214 extern void GLAPIENTRY
 215 _mesa_GetVertexAttribIuiv(GLuint index, GLenum pname, GLuint *params);
 216
 217
 218 extern void GLAPIENTRY
 219 _mesa_GetVertexAttribPointerv(GLuint index, GLenum pname, GLvoid **pointer);
 220
 221
 222 void GLAPIENTRY
 223 _mesa_GetVertexArrayIndexediv(GLuint vaobj, GLuint index,
 224                               GLenum pname, GLint *param);
 225
 226
 227 void GLAPIENTRY
 228 _mesa_GetVertexArrayIndexed64iv(GLuint vaobj, GLuint index,
 229                                 GLenum pname, GLint64 *param);
 230
 231
 232 extern void GLAPIENTRY
 233 _mesa_InterleavedArrays(GLenum format, GLsizei stride, const GLvoid *pointer);
 234
 235
 236 extern void GLAPIENTRY
 237 _mesa_MultiDrawArrays( GLenum mode, const GLint *first,
 238                           const GLsizei *count, GLsizei primcount );
 239
 240 extern void GLAPIENTRY
 241 _mesa_MultiDrawElementsEXT( GLenum mode, const GLsizei *count, GLenum type,
 242                             const GLvoid **indices, GLsizei primcount );
 243
 244 extern void GLAPIENTRY
 245 _mesa_MultiDrawElementsBaseVertex( GLenum mode,
 246                                    const GLsizei *count, GLenum type,
 247                                    const GLvoid **indices, GLsizei primcount,
 248                                    const GLint *basevertex);
 249
 250 extern void GLAPIENTRY
 251 _mesa_MultiModeDrawArraysIBM( const GLenum * mode, const GLint * first,
 252                               const GLsizei * count,
 253                               GLsizei primcount, GLint modestride );
 254
 255
 256 extern void GLAPIENTRY
 257 _mesa_MultiModeDrawElementsIBM( const GLenum * mode, const GLsizei * count,
 258                                 GLenum type, const GLvoid * const * indices,
 259                                 GLsizei primcount, GLint modestride );
 260
 261 extern void GLAPIENTRY
 262 _mesa_LockArraysEXT(GLint first, GLsizei count);
 263
 264 extern void GLAPIENTRY
 265 _mesa_UnlockArraysEXT( void );
 266
 267
 268 extern void GLAPIENTRY
 269 _mesa_DrawArrays(GLenum mode, GLint first, GLsizei count);
 270
 271 extern void GLAPIENTRY
 272 _mesa_DrawArraysInstanced(GLenum mode, GLint first, GLsizei count,
 273                           GLsizei primcount);
 274
 275 extern void GLAPIENTRY
 276 _mesa_DrawElements(GLenum mode, GLsizei count, GLenum type,
 277                    const GLvoid *indices);
 278
 279 extern void GLAPIENTRY
 280 _mesa_DrawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count,
 281                         GLenum type, const GLvoid *indices);
 282
 283 extern void GLAPIENTRY
 284 _mesa_DrawElementsBaseVertex(GLenum mode, GLsizei count, GLenum type,
 285                              const GLvoid *indices, GLint basevertex);
 286
 287 extern void GLAPIENTRY
 288 _mesa_DrawRangeElementsBaseVertex(GLenum mode, GLuint start, GLuint end,
 289                                   GLsizei count, GLenum type,
 290                                   const GLvoid *indices,
 291                                   GLint basevertex);
 292
 293 extern void GLAPIENTRY
 294 _mesa_DrawTransformFeedback(GLenum mode, GLuint name);
 295
 296 extern void GLAPIENTRY
 297 _mesa_PrimitiveRestartIndex(GLuint index);
 298
 299
 300 extern void GLAPIENTRY
 301 _mesa_VertexAttribDivisor(GLuint index, GLuint divisor);
 302
 303 extern unsigned
 304 _mesa_primitive_restart_index(const struct gl_context *ctx, GLenum ib_type);
 305
 306 extern void GLAPIENTRY
 307 _mesa_BindVertexBuffer(GLuint bindingIndex, GLuint buffer, GLintptr offset,
 308                        GLsizei stride);
 309
 310 extern void GLAPIENTRY
 311 _mesa_VertexArrayVertexBuffer(GLuint vaobj, GLuint bindingIndex, GLuint buffer,
 312                               GLintptr offset, GLsizei stride);
 313
 314 extern void GLAPIENTRY
 315 _mesa_BindVertexBuffers(GLuint first, GLsizei count, const GLuint *buffers,
 316                         const GLintptr *offsets, const GLsizei *strides);
 317
 318 extern void GLAPIENTRY
 319 _mesa_VertexArrayVertexBuffers(GLuint vaobj, GLuint first, GLsizei count,
 320                                const GLuint *buffers,
 321                                const GLintptr *offsets, const GLsizei *strides);
 322
 323 extern void GLAPIENTRY
 324 _mesa_VertexAttribFormat(GLuint attribIndex, GLint size, GLenum type,
 325                          GLboolean normalized, GLuint relativeOffset);
 326
 327 extern void GLAPIENTRY
 328 _mesa_VertexArrayAttribFormat(GLuint vaobj, GLuint attribIndex, GLint size,
 329                               GLenum type, GLboolean normalized,
 330                               GLuint relativeOffset);
 331
 332 extern void GLAPIENTRY
 333 _mesa_VertexAttribIFormat(GLuint attribIndex, GLint size, GLenum type,
 334                           GLuint relativeOffset);
 335
 336 extern void GLAPIENTRY
 337 _mesa_VertexArrayAttribIFormat(GLuint vaobj, GLuint attribIndex,
 338                                GLint size, GLenum type,
 339                                GLuint relativeOffset);
 340
 341 extern void GLAPIENTRY
 342 _mesa_VertexAttribLFormat(GLuint attribIndex, GLint size, GLenum type,
 343                           GLuint relativeOffset);
 344
 345 extern void GLAPIENTRY
 346 _mesa_VertexArrayAttribLFormat(GLuint vaobj, GLuint attribIndex,
 347                                GLint size, GLenum type,
 348                                GLuint relativeOffset);
 349
 350 extern void GLAPIENTRY
 351 _mesa_VertexAttribBinding(GLuint attribIndex, GLuint bindingIndex);
 352
 353 extern void GLAPIENTRY
 354 _mesa_VertexArrayAttribBinding(GLuint vaobj, GLuint attribIndex,
 355                                GLuint bindingIndex);
 356
 357 extern void GLAPIENTRY
 358 _mesa_VertexBindingDivisor(GLuint bindingIndex, GLuint divisor);
 359
 360 extern void GLAPIENTRY
 361 _mesa_VertexArrayBindingDivisor(GLuint vaobj, GLuint bindingIndex, GLuint divisor);
 362
 363 extern void
 364 _mesa_copy_client_array(struct gl_context *ctx,
 365                         struct gl_client_array *dst,
 366                         struct gl_client_array *src);
 367
 368 extern void
 369 _mesa_copy_vertex_attrib_array(struct gl_context *ctx,
 370                                struct gl_vertex_attrib_array *dst,
 371                                const struct gl_vertex_attrib_array *src);
 372
 373 extern void
 374 _mesa_copy_vertex_buffer_binding(struct gl_context *ctx,
 375                                  struct gl_vertex_buffer_binding *dst,
 376                                  const struct gl_vertex_buffer_binding *src);
 377
 378 extern void
 379 _mesa_print_arrays(struct gl_context *ctx);
 380
 381 extern void
 382 _mesa_init_varray( struct gl_context * ctx );
 383
 384 extern void
 385 _mesa_free_varray_data(struct gl_context *ctx);
 386
 387 #endif