2 * Mesa 3-D graphics library
4 * Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
5 * (C) Copyright IBM Corporation 2006
6 * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included
16 * in all copies or substantial portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
22 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
23 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
24 * OTHER DEALINGS IN THE SOFTWARE.
32 #include "glformats.h"
38 * Functions for the GL_ARB_vertex_array_object extension.
40 * \author Ian Romanick <idr@us.ibm.com>
48 extern struct gl_vertex_array_object
*
49 _mesa_lookup_vao(struct gl_context
*ctx
, GLuint id
);
51 extern struct gl_vertex_array_object
*
52 _mesa_lookup_vao_err(struct gl_context
*ctx
, GLuint id
, const char *caller
);
54 extern struct gl_vertex_array_object
*
55 _mesa_new_vao(struct gl_context
*ctx
, GLuint name
);
58 _mesa_delete_vao(struct gl_context
*ctx
, struct gl_vertex_array_object
*obj
);
61 _mesa_reference_vao_(struct gl_context
*ctx
,
62 struct gl_vertex_array_object
**ptr
,
63 struct gl_vertex_array_object
*vao
);
66 _mesa_reference_vao(struct gl_context
*ctx
,
67 struct gl_vertex_array_object
**ptr
,
68 struct gl_vertex_array_object
*vao
)
71 _mesa_reference_vao_(ctx
, ptr
, vao
);
76 _mesa_initialize_vao(struct gl_context
*ctx
,
77 struct gl_vertex_array_object
*obj
, GLuint name
);
81 _mesa_update_vao_derived_arrays(struct gl_context
*ctx
,
82 struct gl_vertex_array_object
*vao
);
86 * Mark the vao as shared and immutable, do remaining updates.
89 _mesa_set_vao_immutable(struct gl_context
*ctx
,
90 struct gl_vertex_array_object
*vao
);
93 /* Returns true if all varying arrays reside in vbos */
95 _mesa_all_varyings_in_vbos(const struct gl_vertex_array_object
*vao
);
97 /* Returns true if all vbos are unmapped */
99 _mesa_all_buffers_are_unmapped(const struct gl_vertex_array_object
*vao
);
103 * Array to apply the position/generic0 aliasing map to
104 * an attribute value used in vertex processing inputs to an attribute
105 * as they appear in the vao.
108 _mesa_vao_attribute_map
[ATTRIBUTE_MAP_MODE_MAX
][VERT_ATTRIB_MAX
];
112 * Apply the position/generic0 aliasing map to a bitfield from the vao.
113 * Use for example to convert gl_vertex_array_object::_Enabled
114 * or gl_vertex_buffer_binding::_VertexBinding from the vao numbering to
115 * the numbering used with vertex processing inputs.
117 static inline GLbitfield
118 _mesa_vao_enable_to_vp_inputs(gl_attribute_map_mode mode
, GLbitfield enabled
)
121 case ATTRIBUTE_MAP_MODE_IDENTITY
:
123 case ATTRIBUTE_MAP_MODE_POSITION
:
124 /* Copy VERT_ATTRIB_POS enable bit into GENERIC0 position */
125 return (enabled
& ~VERT_BIT_GENERIC0
)
126 | ((enabled
& VERT_BIT_POS
) << VERT_ATTRIB_GENERIC0
);
127 case ATTRIBUTE_MAP_MODE_GENERIC0
:
128 /* Copy VERT_ATTRIB_GENERIC0 enable bit into POS position */
129 return (enabled
& ~VERT_BIT_POS
)
130 | ((enabled
& VERT_BIT_GENERIC0
) >> VERT_ATTRIB_GENERIC0
);
138 * Return the vp_inputs enabled bitmask after application of
139 * the position/generic0 aliasing map.
141 static inline GLbitfield
142 _mesa_get_vao_vp_inputs(const struct gl_vertex_array_object
*vao
)
144 const gl_attribute_map_mode mode
= vao
->_AttributeMapMode
;
145 return _mesa_vao_enable_to_vp_inputs(mode
, vao
->_Enabled
);
155 _mesa_BindVertexArray_no_error(GLuint id
);
157 void GLAPIENTRY
_mesa_BindVertexArray( GLuint id
);
160 _mesa_DeleteVertexArrays_no_error(GLsizei n
, const GLuint
*ids
);
162 void GLAPIENTRY
_mesa_DeleteVertexArrays(GLsizei n
, const GLuint
*ids
);
165 _mesa_GenVertexArrays_no_error(GLsizei n
, GLuint
*arrays
);
167 void GLAPIENTRY
_mesa_GenVertexArrays(GLsizei n
, GLuint
*arrays
);
170 _mesa_CreateVertexArrays_no_error(GLsizei n
, GLuint
*arrays
);
172 void GLAPIENTRY
_mesa_CreateVertexArrays(GLsizei n
, GLuint
*arrays
);
174 GLboolean GLAPIENTRY
_mesa_IsVertexArray( GLuint id
);
177 _mesa_VertexArrayElementBuffer_no_error(GLuint vaobj
, GLuint buffer
);
179 void GLAPIENTRY
_mesa_VertexArrayElementBuffer(GLuint vaobj
, GLuint buffer
);
181 void GLAPIENTRY
_mesa_GetVertexArrayiv(GLuint vaobj
, GLenum pname
, GLint
*param
);
183 #endif /* ARRAYOBJ_H */