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 *
_mesa_vertex_attrib_address(const struct gl_array_attributes * array,const struct gl_vertex_buffer_binding * binding)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
_mesa_update_client_array(struct gl_context * ctx,struct gl_vertex_array * dst,const struct gl_array_attributes * src,const struct gl_vertex_buffer_binding * binding)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
_mesa_attr_zero_aliases_vertex(struct gl_context * ctx)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