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 * THE AUTHORS 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
;
36 else if (ctx
->Texture
.Unit
[unit
]._Current
)
37 return &ctx
->Texture
.Unit
[unit
]._Current
->Sampler
;
43 /** Does the given filter state do mipmap filtering? */
44 static inline GLboolean
45 _mesa_is_mipmap_filter(const struct gl_sampler_object
*samp
)
47 return samp
->MinFilter
!= GL_NEAREST
&& samp
->MinFilter
!= GL_LINEAR
;
52 _mesa_reference_sampler_object_(struct gl_context
*ctx
,
53 struct gl_sampler_object
**ptr
,
54 struct gl_sampler_object
*samp
);
57 _mesa_reference_sampler_object(struct gl_context
*ctx
,
58 struct gl_sampler_object
**ptr
,
59 struct gl_sampler_object
*samp
)
62 _mesa_reference_sampler_object_(ctx
, ptr
, samp
);
65 extern struct gl_sampler_object
*
66 _mesa_lookup_samplerobj(struct gl_context
*ctx
, GLuint name
);
68 extern struct gl_sampler_object
*
69 _mesa_new_sampler_object(struct gl_context
*ctx
, GLuint name
);
72 _mesa_init_sampler_object_functions(struct dd_function_table
*driver
);
75 _mesa_GenSamplers(GLsizei count
, GLuint
*samplers
);
77 _mesa_DeleteSamplers(GLsizei count
, const GLuint
*samplers
);
79 _mesa_IsSampler(GLuint sampler
);
81 _mesa_BindSampler(GLuint unit
, GLuint sampler
);
83 _mesa_SamplerParameteri(GLuint sampler
, GLenum pname
, GLint param
);
85 _mesa_SamplerParameterf(GLuint sampler
, GLenum pname
, GLfloat param
);
87 _mesa_SamplerParameteriv(GLuint sampler
, GLenum pname
, const GLint
*params
);
89 _mesa_SamplerParameterfv(GLuint sampler
, GLenum pname
, const GLfloat
*params
);
91 _mesa_SamplerParameterIiv(GLuint sampler
, GLenum pname
, const GLint
*params
);
93 _mesa_SamplerParameterIuiv(GLuint sampler
, GLenum pname
, const GLuint
*params
);
95 _mesa_GetSamplerParameteriv(GLuint sampler
, GLenum pname
, GLint
*params
);
97 _mesa_GetSamplerParameterfv(GLuint sampler
, GLenum pname
, GLfloat
*params
);
99 _mesa_GetSamplerParameterIiv(GLuint sampler
, GLenum pname
, GLint
*params
);
101 _mesa_GetSamplerParameterIuiv(GLuint sampler
, GLenum pname
, GLuint
*params
);
103 #endif /* SAMPLEROBJ_H */