2 * Mesa 3-D graphics library
4 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
5 * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
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:
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
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.
32 #include "bufferobj.h"
34 struct gl_client_array
;
39 * Compute the index of the last array element that can be safely accessed in
40 * a vertex array. We can really only do this when the array lives in a VBO.
41 * The array->_MaxElement field will be updated.
42 * Later in glDrawArrays/Elements/etc we can do some bounds checking.
45 _mesa_update_array_max_element(struct gl_client_array
*array
)
47 assert(array
->Enabled
);
49 if (array
->BufferObj
->Name
) {
50 GLsizeiptrARB offset
= (GLsizeiptrARB
) array
->Ptr
;
51 GLsizeiptrARB bufSize
= (GLsizeiptrARB
) array
->BufferObj
->Size
;
53 if (offset
< bufSize
) {
54 const GLuint stride
= array
->StrideB
?
55 array
->StrideB
: array
->_ElementSize
;
56 array
->_MaxElement
= (bufSize
- offset
+ stride
57 - array
->_ElementSize
) / stride
;
60 array
->_MaxElement
= 0;
64 /* user-space array, no idea how big it is */
65 array
->_MaxElement
= 2 * 1000 * 1000 * 1000; /* just a big number */
71 * Returns a pointer to the vertex attribute data in a client array,
72 * or the offset into the vertex buffer for an array that resides in
75 static inline const GLubyte
*
76 _mesa_vertex_attrib_address(const struct gl_vertex_attrib_array
*array
,
77 const struct gl_vertex_buffer_binding
*binding
)
79 if (_mesa_is_bufferobj(binding
->BufferObj
))
80 return (const GLubyte
*) (binding
->Offset
+ array
->RelativeOffset
);
86 * Sets the fields in a gl_client_array to values derived from a
87 * gl_vertex_attrib_array and a gl_vertex_buffer_binding.
90 _mesa_update_client_array(struct gl_context
*ctx
,
91 struct gl_client_array
*dst
,
92 const struct gl_vertex_attrib_array
*src
,
93 const struct gl_vertex_buffer_binding
*binding
)
95 dst
->Size
= src
->Size
;
96 dst
->Type
= src
->Type
;
97 dst
->Format
= src
->Format
;
98 dst
->Stride
= src
->Stride
;
99 dst
->StrideB
= binding
->Stride
;
100 dst
->Ptr
= _mesa_vertex_attrib_address(src
, binding
);
101 dst
->Enabled
= src
->Enabled
;
102 dst
->Normalized
= src
->Normalized
;
103 dst
->Integer
= src
->Integer
;
104 dst
->InstanceDivisor
= binding
->InstanceDivisor
;
105 dst
->_ElementSize
= src
->_ElementSize
;
106 _mesa_reference_buffer_object(ctx
, &dst
->BufferObj
, binding
->BufferObj
);
109 extern void GLAPIENTRY
110 _mesa_VertexPointer(GLint size
, GLenum type
, GLsizei stride
,
113 extern void GLAPIENTRY
114 _mesa_UnlockArraysEXT( void );
116 extern void GLAPIENTRY
117 _mesa_LockArraysEXT(GLint first
, GLsizei count
);
120 extern void GLAPIENTRY
121 _mesa_NormalPointer(GLenum type
, GLsizei stride
, const GLvoid
*ptr
);
124 extern void GLAPIENTRY
125 _mesa_ColorPointer(GLint size
, GLenum type
, GLsizei stride
, const GLvoid
*ptr
);
128 extern void GLAPIENTRY
129 _mesa_IndexPointer(GLenum type
, GLsizei stride
, const GLvoid
*ptr
);
132 extern void GLAPIENTRY
133 _mesa_TexCoordPointer(GLint size
, GLenum type
, GLsizei stride
,
137 extern void GLAPIENTRY
138 _mesa_EdgeFlagPointer(GLsizei stride
, const GLvoid
*ptr
);
141 extern void GLAPIENTRY
142 _mesa_VertexPointerEXT(GLint size
, GLenum type
, GLsizei stride
,
143 GLsizei count
, const GLvoid
*ptr
);
146 extern void GLAPIENTRY
147 _mesa_NormalPointerEXT(GLenum type
, GLsizei stride
, GLsizei count
,
151 extern void GLAPIENTRY
152 _mesa_ColorPointerEXT(GLint size
, GLenum type
, GLsizei stride
, GLsizei count
,
156 extern void GLAPIENTRY
157 _mesa_IndexPointerEXT(GLenum type
, GLsizei stride
, GLsizei count
,
161 extern void GLAPIENTRY
162 _mesa_TexCoordPointerEXT(GLint size
, GLenum type
, GLsizei stride
,
163 GLsizei count
, const GLvoid
*ptr
);
166 extern void GLAPIENTRY
167 _mesa_EdgeFlagPointerEXT(GLsizei stride
, GLsizei count
, const GLboolean
*ptr
);
170 extern void GLAPIENTRY
171 _mesa_FogCoordPointer(GLenum type
, GLsizei stride
, const GLvoid
*ptr
);
174 extern void GLAPIENTRY
175 _mesa_SecondaryColorPointer(GLint size
, GLenum type
,
176 GLsizei stride
, const GLvoid
*ptr
);
179 extern void GLAPIENTRY
180 _mesa_PointSizePointerOES(GLenum type
, GLsizei stride
, const GLvoid
*ptr
);
183 extern void GLAPIENTRY
184 _mesa_VertexAttribPointer(GLuint index
, GLint size
, GLenum type
,
185 GLboolean normalized
, GLsizei stride
,
186 const GLvoid
*pointer
);
189 _mesa_VertexAttribIPointer(GLuint index
, GLint size
, GLenum type
,
190 GLsizei stride
, const GLvoid
*ptr
);
193 extern void GLAPIENTRY
194 _mesa_EnableVertexAttribArray(GLuint index
);
197 extern void GLAPIENTRY
198 _mesa_DisableVertexAttribArray(GLuint index
);
201 extern void GLAPIENTRY
202 _mesa_GetVertexAttribdv(GLuint index
, GLenum pname
, GLdouble
*params
);
205 extern void GLAPIENTRY
206 _mesa_GetVertexAttribfv(GLuint index
, GLenum pname
, GLfloat
*params
);
209 extern void GLAPIENTRY
210 _mesa_GetVertexAttribiv(GLuint index
, GLenum pname
, GLint
*params
);
213 extern void GLAPIENTRY
214 _mesa_GetVertexAttribIiv(GLuint index
, GLenum pname
, GLint
*params
);
217 extern void GLAPIENTRY
218 _mesa_GetVertexAttribIuiv(GLuint index
, GLenum pname
, GLuint
*params
);
221 extern void GLAPIENTRY
222 _mesa_GetVertexAttribPointerv(GLuint index
, GLenum pname
, GLvoid
**pointer
);
225 extern void GLAPIENTRY
226 _mesa_InterleavedArrays(GLenum format
, GLsizei stride
, const GLvoid
*pointer
);
229 extern void GLAPIENTRY
230 _mesa_MultiDrawArrays( GLenum mode
, const GLint
*first
,
231 const GLsizei
*count
, GLsizei primcount
);
233 extern void GLAPIENTRY
234 _mesa_MultiDrawElementsEXT( GLenum mode
, const GLsizei
*count
, GLenum type
,
235 const GLvoid
**indices
, GLsizei primcount
);
237 extern void GLAPIENTRY
238 _mesa_MultiDrawElementsBaseVertex( GLenum mode
,
239 const GLsizei
*count
, GLenum type
,
240 const GLvoid
**indices
, GLsizei primcount
,
241 const GLint
*basevertex
);
243 extern void GLAPIENTRY
244 _mesa_MultiModeDrawArraysIBM( const GLenum
* mode
, const GLint
* first
,
245 const GLsizei
* count
,
246 GLsizei primcount
, GLint modestride
);
249 extern void GLAPIENTRY
250 _mesa_MultiModeDrawElementsIBM( const GLenum
* mode
, const GLsizei
* count
,
251 GLenum type
, const GLvoid
* const * indices
,
252 GLsizei primcount
, GLint modestride
);
254 extern void GLAPIENTRY
255 _mesa_LockArraysEXT(GLint first
, GLsizei count
);
257 extern void GLAPIENTRY
258 _mesa_UnlockArraysEXT( void );
261 extern void GLAPIENTRY
262 _mesa_DrawArrays(GLenum mode
, GLint first
, GLsizei count
);
264 extern void GLAPIENTRY
265 _mesa_DrawElements(GLenum mode
, GLsizei count
, GLenum type
,
266 const GLvoid
*indices
);
268 extern void GLAPIENTRY
269 _mesa_DrawRangeElements(GLenum mode
, GLuint start
, GLuint end
, GLsizei count
,
270 GLenum type
, const GLvoid
*indices
);
272 extern void GLAPIENTRY
273 _mesa_DrawElementsBaseVertex(GLenum mode
, GLsizei count
, GLenum type
,
274 const GLvoid
*indices
, GLint basevertex
);
276 extern void GLAPIENTRY
277 _mesa_DrawRangeElementsBaseVertex(GLenum mode
, GLuint start
, GLuint end
,
278 GLsizei count
, GLenum type
,
279 const GLvoid
*indices
,
282 extern void GLAPIENTRY
283 _mesa_DrawTransformFeedback(GLenum mode
, GLuint name
);
285 extern void GLAPIENTRY
286 _mesa_PrimitiveRestartIndex(GLuint index
);
289 extern void GLAPIENTRY
290 _mesa_VertexAttribDivisor(GLuint index
, GLuint divisor
);
293 _mesa_primitive_restart_index(const struct gl_context
*ctx
, GLenum ib_type
);
295 extern void GLAPIENTRY
296 _mesa_BindVertexBuffer(GLuint bindingIndex
, GLuint buffer
, GLintptr offset
,
299 extern void GLAPIENTRY
300 _mesa_VertexAttribFormat(GLuint attribIndex
, GLint size
, GLenum type
,
301 GLboolean normalized
, GLuint relativeOffset
);
303 extern void GLAPIENTRY
304 _mesa_VertexAttribIFormat(GLuint attribIndex
, GLint size
, GLenum type
,
305 GLuint relativeOffset
);
307 extern void GLAPIENTRY
308 _mesa_VertexAttribLFormat(GLuint attribIndex
, GLint size
, GLenum type
,
309 GLuint relativeOffset
);
311 extern void GLAPIENTRY
312 _mesa_VertexAttribBinding(GLuint attribIndex
, GLuint bindingIndex
);
314 extern void GLAPIENTRY
315 _mesa_VertexBindingDivisor(GLuint bindingIndex
, GLuint divisor
);
319 _mesa_copy_client_array(struct gl_context
*ctx
,
320 struct gl_client_array
*dst
,
321 struct gl_client_array
*src
);
324 _mesa_copy_vertex_attrib_array(struct gl_context
*ctx
,
325 struct gl_vertex_attrib_array
*dst
,
326 const struct gl_vertex_attrib_array
*src
);
329 _mesa_copy_vertex_buffer_binding(struct gl_context
*ctx
,
330 struct gl_vertex_buffer_binding
*dst
,
331 const struct gl_vertex_buffer_binding
*src
);
334 _mesa_print_arrays(struct gl_context
*ctx
);
337 _mesa_init_varray( struct gl_context
* ctx
);
340 _mesa_free_varray_data(struct gl_context
*ctx
);