1 /*
2 * Mesa 3-D graphics library
3 * Version: 7.6
4 *
5 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
6 * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
7 *
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:
14 *
15 * The above copyright notice and this permission notice shall be included
16 * in all copies or substantial portions of the Software.
17 *
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 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
23 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 */
25
26
27
28 #ifndef BUFFEROBJ_H
29 #define BUFFEROBJ_H
30
31
32 #include "mfeatures.h"
33 #include "mtypes.h"
34
35
36 /*
37 * Internal functions
38 */
39
40
41 /** Is the given buffer object currently mapped? */
42 static inline GLboolean
_mesa_bufferobj_mapped(const struct gl_buffer_object * obj)43 _mesa_bufferobj_mapped(const struct gl_buffer_object *obj)
44 {
45 return obj->Pointer != NULL;
46 }
47
48 /**
49 * Is the given buffer object a user-created buffer object?
50 * Mesa uses default buffer objects in several places. Default buffers
51 * always have Name==0. User created buffers have Name!=0.
52 */
53 static inline GLboolean
_mesa_is_bufferobj(const struct gl_buffer_object * obj)54 _mesa_is_bufferobj(const struct gl_buffer_object *obj)
55 {
56 return obj != NULL && obj->Name != 0;
57 }
58
59
60 extern void
61 _mesa_init_buffer_objects( struct gl_context *ctx );
62
63 extern void
64 _mesa_free_buffer_objects( struct gl_context *ctx );
65
66 extern void
67 _mesa_update_default_objects_buffer_objects(struct gl_context *ctx);
68
69
70 extern struct gl_buffer_object *
71 _mesa_lookup_bufferobj(struct gl_context *ctx, GLuint buffer);
72
73 extern void
74 _mesa_initialize_buffer_object( struct gl_context *ctx,
75 struct gl_buffer_object *obj,
76 GLuint name, GLenum target );
77
78 extern void
79 _mesa_reference_buffer_object_(struct gl_context *ctx,
80 struct gl_buffer_object **ptr,
81 struct gl_buffer_object *bufObj);
82
83 static inline void
_mesa_reference_buffer_object(struct gl_context * ctx,struct gl_buffer_object ** ptr,struct gl_buffer_object * bufObj)84 _mesa_reference_buffer_object(struct gl_context *ctx,
85 struct gl_buffer_object **ptr,
86 struct gl_buffer_object *bufObj)
87 {
88 if (*ptr != bufObj)
89 _mesa_reference_buffer_object_(ctx, ptr, bufObj);
90 }
91
92 extern GLuint
93 _mesa_total_buffer_object_memory(struct gl_context *ctx);
94
95 extern void
96 _mesa_init_buffer_object_functions(struct dd_function_table *driver);
97
98
99 /*
100 * API functions
101 */
102
103 extern void GLAPIENTRY
104 _mesa_BindBufferARB(GLenum target, GLuint buffer);
105
106 extern void GLAPIENTRY
107 _mesa_DeleteBuffersARB(GLsizei n, const GLuint * buffer);
108
109 extern void GLAPIENTRY
110 _mesa_GenBuffersARB(GLsizei n, GLuint * buffer);
111
112 extern GLboolean GLAPIENTRY
113 _mesa_IsBufferARB(GLuint buffer);
114
115 extern void GLAPIENTRY
116 _mesa_BufferDataARB(GLenum target, GLsizeiptrARB size, const GLvoid * data, GLenum usage);
117
118 extern void GLAPIENTRY
119 _mesa_BufferSubDataARB(GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid * data);
120
121 extern void GLAPIENTRY
122 _mesa_GetBufferSubDataARB(GLenum target, GLintptrARB offset, GLsizeiptrARB size, void * data);
123
124 extern void * GLAPIENTRY
125 _mesa_MapBufferARB(GLenum target, GLenum access);
126
127 extern GLboolean GLAPIENTRY
128 _mesa_UnmapBufferARB(GLenum target);
129
130 extern void GLAPIENTRY
131 _mesa_GetBufferParameterivARB(GLenum target, GLenum pname, GLint *params);
132
133 extern void GLAPIENTRY
134 _mesa_GetBufferParameteri64v(GLenum target, GLenum pname, GLint64 *params);
135
136 extern void GLAPIENTRY
137 _mesa_GetBufferPointervARB(GLenum target, GLenum pname, GLvoid **params);
138
139 extern void GLAPIENTRY
140 _mesa_CopyBufferSubData(GLenum readTarget, GLenum writeTarget,
141 GLintptr readOffset, GLintptr writeOffset,
142 GLsizeiptr size);
143
144 extern void * GLAPIENTRY
145 _mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length,
146 GLbitfield access);
147
148 extern void GLAPIENTRY
149 _mesa_FlushMappedBufferRange(GLenum target, GLintptr offset, GLsizeiptr length);
150
151 #if FEATURE_APPLE_object_purgeable
152 extern GLenum GLAPIENTRY
153 _mesa_ObjectPurgeableAPPLE(GLenum objectType, GLuint name, GLenum option);
154
155 extern GLenum GLAPIENTRY
156 _mesa_ObjectUnpurgeableAPPLE(GLenum objectType, GLuint name, GLenum option);
157
158 extern void GLAPIENTRY
159 _mesa_GetObjectParameterivAPPLE(GLenum objectType, GLuint name, GLenum pname, GLint* params);
160 #endif
161
162 void GLAPIENTRY
163 _mesa_BindBufferBase(GLenum target, GLuint index, GLuint buffer);
164
165 void GLAPIENTRY
166 _mesa_BindBufferRange(GLenum target, GLuint index,
167 GLuint buffer, GLintptr offset, GLsizeiptr size);
168
169 extern void
170 _mesa_init_bufferobj_dispatch(struct gl_context *ctx,
171 struct _glapi_table *disp);
172
173 #endif
174