summaryrefslogtreecommitdiff
path: root/src/mesa/main/samplerobj.h
blob: 26b5dd6b0163066b599860e76f002bbf27b17774 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
/*
 * Mesa 3-D graphics library
 *
 * Copyright (C) 2011  VMware, Inc.  All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */



#ifndef SAMPLEROBJ_H
#define SAMPLEROBJ_H

#include "mtypes.h"

#ifdef __cplusplus
extern "C" {
#endif

struct dd_function_table;

static inline struct gl_sampler_object *
_mesa_get_samplerobj(struct gl_context *ctx, GLuint unit)
{
   if (ctx->Texture.Unit[unit].Sampler)
      return ctx->Texture.Unit[unit].Sampler;
   else if (ctx->Texture.Unit[unit]._Current)
      return &ctx->Texture.Unit[unit]._Current->Sampler;
   else
      return NULL;
}


/** Does the given filter state do mipmap filtering? */
static inline GLboolean
_mesa_is_mipmap_filter(const struct gl_sampler_object *samp)
{
   return samp->MinFilter != GL_NEAREST && samp->MinFilter != GL_LINEAR;
}


extern void
_mesa_reference_sampler_object_(struct gl_context *ctx,
                                struct gl_sampler_object **ptr,
                                struct gl_sampler_object *samp);

static inline void
_mesa_reference_sampler_object(struct gl_context *ctx,
                               struct gl_sampler_object **ptr,
                               struct gl_sampler_object *samp)
{
   if (*ptr != samp)
      _mesa_reference_sampler_object_(ctx, ptr, samp);
}

extern struct gl_sampler_object *
_mesa_lookup_samplerobj(struct gl_context *ctx, GLuint name);

extern struct gl_sampler_object *
_mesa_new_sampler_object(struct gl_context *ctx, GLuint name);

extern void
_mesa_init_sampler_object_functions(struct dd_function_table *driver);

extern void
_mesa_set_sampler_wrap(struct gl_context *ctx, struct gl_sampler_object *samp,
                       GLenum s, GLenum t, GLenum r);

extern void
_mesa_set_sampler_filters(struct gl_context *ctx,
                          struct gl_sampler_object *samp,
                          GLenum min_filter, GLenum mag_filter);

extern void
_mesa_set_sampler_srgb_decode(struct gl_context *ctx,
                              struct gl_sampler_object *samp, GLenum param);

extern void
_mesa_bind_sampler(struct gl_context *ctx, GLuint unit,
                   struct gl_sampler_object *sampObj);

void GLAPIENTRY
_mesa_GenSamplers_no_error(GLsizei count, GLuint *samplers);

void GLAPIENTRY
_mesa_GenSamplers(GLsizei count, GLuint *samplers);

void GLAPIENTRY
_mesa_CreateSamplers_no_error(GLsizei count, GLuint *samplers);

void GLAPIENTRY
_mesa_CreateSamplers(GLsizei count, GLuint *samplers);
void GLAPIENTRY
_mesa_DeleteSamplers(GLsizei count, const GLuint *samplers);
GLboolean GLAPIENTRY
_mesa_IsSampler(GLuint sampler);
void GLAPIENTRY
_mesa_BindSampler(GLuint unit, GLuint sampler);
void GLAPIENTRY
_mesa_BindSamplers(GLuint first, GLsizei count, const GLuint *samplers);
void GLAPIENTRY
_mesa_SamplerParameteri(GLuint sampler, GLenum pname, GLint param);
void GLAPIENTRY
_mesa_SamplerParameterf(GLuint sampler, GLenum pname, GLfloat param);
void GLAPIENTRY
_mesa_SamplerParameteriv(GLuint sampler, GLenum pname, const GLint *params);
void GLAPIENTRY
_mesa_SamplerParameterfv(GLuint sampler, GLenum pname, const GLfloat *params);
void GLAPIENTRY
_mesa_SamplerParameterIiv(GLuint sampler, GLenum pname, const GLint *params);
void GLAPIENTRY
_mesa_SamplerParameterIuiv(GLuint sampler, GLenum pname, const GLuint *params);
void GLAPIENTRY
_mesa_GetSamplerParameteriv(GLuint sampler, GLenum pname, GLint *params);
void GLAPIENTRY
_mesa_GetSamplerParameterfv(GLuint sampler, GLenum pname, GLfloat *params);
void GLAPIENTRY
_mesa_GetSamplerParameterIiv(GLuint sampler, GLenum pname, GLint *params);
void GLAPIENTRY
_mesa_GetSamplerParameterIuiv(GLuint sampler, GLenum pname, GLuint *params);

#ifdef __cplusplus
}
#endif

#endif /* SAMPLEROBJ_H */