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 OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
36 struct dd_function_table
;
38 static inline struct gl_sampler_object
*
39 _mesa_get_samplerobj(struct gl_context
*ctx
, GLuint unit
)
41 if (ctx
->Texture
.Unit
[unit
].Sampler
)
42 return ctx
->Texture
.Unit
[unit
].Sampler
;
43 else if (ctx
->Texture
.Unit
[unit
]._Current
)
44 return &ctx
->Texture
.Unit
[unit
]._Current
->Sampler
;
50 /** Does the given filter state do mipmap filtering? */
51 static inline GLboolean
52 _mesa_is_mipmap_filter(const struct gl_sampler_object
*samp
)
54 return samp
->MinFilter
!= GL_NEAREST
&& samp
->MinFilter
!= GL_LINEAR
;
59 _mesa_reference_sampler_object_(struct gl_context
*ctx
,
60 struct gl_sampler_object
**ptr
,
61 struct gl_sampler_object
*samp
);
64 _mesa_reference_sampler_object(struct gl_context
*ctx
,
65 struct gl_sampler_object
**ptr
,
66 struct gl_sampler_object
*samp
)
69 _mesa_reference_sampler_object_(ctx
, ptr
, samp
);
72 extern struct gl_sampler_object
*
73 _mesa_lookup_samplerobj(struct gl_context
*ctx
, GLuint name
);
75 extern struct gl_sampler_object
*
76 _mesa_new_sampler_object(struct gl_context
*ctx
, GLuint name
);
79 _mesa_init_sampler_object_functions(struct dd_function_table
*driver
);
82 _mesa_set_sampler_wrap(struct gl_context
*ctx
, struct gl_sampler_object
*samp
,
83 GLenum s
, GLenum t
, GLenum r
);
86 _mesa_set_sampler_filters(struct gl_context
*ctx
,
87 struct gl_sampler_object
*samp
,
88 GLenum min_filter
, GLenum mag_filter
);
91 _mesa_set_sampler_srgb_decode(struct gl_context
*ctx
,
92 struct gl_sampler_object
*samp
, GLenum param
);
95 _mesa_bind_sampler(struct gl_context
*ctx
, GLuint unit
,
96 struct gl_sampler_object
*sampObj
);
99 _mesa_GenSamplers_no_error(GLsizei count
, GLuint
*samplers
);
102 _mesa_GenSamplers(GLsizei count
, GLuint
*samplers
);
105 _mesa_CreateSamplers_no_error(GLsizei count
, GLuint
*samplers
);
108 _mesa_CreateSamplers(GLsizei count
, GLuint
*samplers
);
111 _mesa_DeleteSamplers_no_error(GLsizei count
, const GLuint
*samplers
);
114 _mesa_DeleteSamplers(GLsizei count
, const GLuint
*samplers
);
117 _mesa_IsSampler(GLuint sampler
);
120 _mesa_BindSampler_no_error(GLuint unit
, GLuint sampler
);
123 _mesa_BindSampler(GLuint unit
, GLuint sampler
);
126 _mesa_BindSamplers_no_error(GLuint first
, GLsizei count
, const GLuint
*samplers
);
129 _mesa_BindSamplers(GLuint first
, GLsizei count
, const GLuint
*samplers
);
132 _mesa_SamplerParameteri(GLuint sampler
, GLenum pname
, GLint param
);
134 _mesa_SamplerParameterf(GLuint sampler
, GLenum pname
, GLfloat param
);
136 _mesa_SamplerParameteriv(GLuint sampler
, GLenum pname
, const GLint
*params
);
138 _mesa_SamplerParameterfv(GLuint sampler
, GLenum pname
, const GLfloat
*params
);
140 _mesa_SamplerParameterIiv(GLuint sampler
, GLenum pname
, const GLint
*params
);
142 _mesa_SamplerParameterIuiv(GLuint sampler
, GLenum pname
, const GLuint
*params
);
144 _mesa_GetSamplerParameteriv(GLuint sampler
, GLenum pname
, GLint
*params
);
146 _mesa_GetSamplerParameterfv(GLuint sampler
, GLenum pname
, GLfloat
*params
);
148 _mesa_GetSamplerParameterIiv(GLuint sampler
, GLenum pname
, GLint
*params
);
150 _mesa_GetSamplerParameterIuiv(GLuint sampler
, GLenum pname
, GLuint
*params
);
156 #endif /* SAMPLEROBJ_H */