2 * Mesa 3-D graphics library
4 * Copyright (C) 2011 VMware, Inc. All Rights Reserved.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included
14 * in all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
20 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 struct dd_function_table
;
31 static inline struct gl_sampler_object
*
32 _mesa_get_samplerobj(struct gl_context
*ctx
, GLuint unit
)
34 if (ctx
->Texture
.Unit
[unit
].Sampler
)
35 return ctx
->Texture
.Unit
[unit
].Sampler
;
37 return &ctx
->Texture
.Unit
[unit
]._Current
->Sampler
;
41 /** Does the given filter state do mipmap filtering? */
42 static inline GLboolean
43 _mesa_is_mipmap_filter(const struct gl_sampler_object
*samp
)
45 return samp
->MinFilter
!= GL_NEAREST
&& samp
->MinFilter
!= GL_LINEAR
;
50 _mesa_reference_sampler_object_(struct gl_context
*ctx
,
51 struct gl_sampler_object
**ptr
,
52 struct gl_sampler_object
*samp
);
55 _mesa_reference_sampler_object(struct gl_context
*ctx
,
56 struct gl_sampler_object
**ptr
,
57 struct gl_sampler_object
*samp
)
60 _mesa_reference_sampler_object_(ctx
, ptr
, samp
);
65 _mesa_init_sampler_object(struct gl_sampler_object
*sampObj
, GLuint name
);
67 extern struct gl_sampler_object
*
68 _mesa_new_sampler_object(struct gl_context
*ctx
, GLuint name
);
71 _mesa_delete_sampler_object(struct gl_context
*ctx
,
72 struct gl_sampler_object
*sampObj
);
75 _mesa_init_sampler_object_functions(struct dd_function_table
*driver
);
78 _mesa_init_sampler_object_dispatch(struct _glapi_table
*disp
);
81 #endif /* SAMPLEROBJ_H */