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_vertex_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_array_attributes *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_vertex_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_vertex_array *dst, 59 const struct gl_array_attributes *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_vertex_array *dst, 377 struct gl_vertex_array *src); 378 379 extern void 380 _mesa_copy_vertex_attrib_array(struct gl_context *ctx, 381 struct gl_array_attributes *dst, 382 const struct gl_array_attributes *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 399
