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
143
144
145
146
147
148
149
150
151
152
153
154
155
|
/*
* Mesa 3-D graphics library
*
* Copyright (C) 1999-2006 Brian Paul 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 FRAMEBUFFER_H
#define FRAMEBUFFER_H
#include "mtypes.h"
struct gl_config;
struct gl_context;
struct gl_renderbuffer;
extern struct gl_framebuffer *
_mesa_create_framebuffer(const struct gl_config *visual);
extern struct gl_framebuffer *
_mesa_new_framebuffer(struct gl_context *ctx, GLuint name);
extern void
_mesa_initialize_window_framebuffer(struct gl_framebuffer *fb,
const struct gl_config *visual);
extern void
_mesa_initialize_user_framebuffer(struct gl_framebuffer *fb, GLuint name);
extern void
_mesa_destroy_framebuffer(struct gl_framebuffer *buffer);
extern void
_mesa_free_framebuffer_data(struct gl_framebuffer *buffer);
extern void
_mesa_reference_framebuffer_(struct gl_framebuffer **ptr,
struct gl_framebuffer *fb);
static inline void
_mesa_reference_framebuffer(struct gl_framebuffer **ptr,
struct gl_framebuffer *fb)
{
if (*ptr != fb)
_mesa_reference_framebuffer_(ptr, fb);
}
extern void
_mesa_resize_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb,
GLuint width, GLuint height);
extern void
_mesa_resizebuffers( struct gl_context *ctx );
extern void
_mesa_scissor_bounding_box(const struct gl_context *ctx,
const struct gl_framebuffer *buffer,
unsigned idx, int *bbox);
extern void
_mesa_intersect_scissor_bounding_box(const struct gl_context *ctx,
unsigned idx, int *bbox);
static inline GLuint
_mesa_geometric_width(const struct gl_framebuffer *buffer)
{
return buffer->_HasAttachments ?
buffer->Width : buffer->DefaultGeometry.Width;
}
static inline GLuint
_mesa_geometric_height(const struct gl_framebuffer *buffer)
{
return buffer->_HasAttachments ?
buffer->Height : buffer->DefaultGeometry.Height;
}
static inline GLuint
_mesa_geometric_samples(const struct gl_framebuffer *buffer)
{
return buffer->_HasAttachments ?
buffer->Visual.samples :
buffer->DefaultGeometry._NumSamples;
}
static inline GLuint
_mesa_geometric_layers(const struct gl_framebuffer *buffer)
{
return buffer->_HasAttachments ?
buffer->MaxNumLayers : buffer->DefaultGeometry.Layers;
}
extern void
_mesa_update_draw_buffer_bounds(struct gl_context *ctx,
struct gl_framebuffer *drawFb);
extern void
_mesa_update_framebuffer_visual(struct gl_context *ctx,
struct gl_framebuffer *fb);
extern void
_mesa_update_framebuffer(struct gl_context *ctx,
struct gl_framebuffer *readFb,
struct gl_framebuffer *drawFb);
extern GLboolean
_mesa_source_buffer_exists(struct gl_context *ctx, GLenum format);
extern GLboolean
_mesa_dest_buffer_exists(struct gl_context *ctx, GLenum format);
extern GLenum
_mesa_get_color_read_type(struct gl_context *ctx);
extern GLenum
_mesa_get_color_read_format(struct gl_context *ctx);
extern struct gl_renderbuffer *
_mesa_get_read_renderbuffer_for_format(const struct gl_context *ctx,
GLenum format);
extern void
_mesa_print_framebuffer(const struct gl_framebuffer *fb);
extern bool
_mesa_is_front_buffer_reading(const struct gl_framebuffer *fb);
extern bool
_mesa_is_front_buffer_drawing(const struct gl_framebuffer *fb);
extern bool
_mesa_is_multisample_enabled(const struct gl_context *ctx);
extern bool
_mesa_is_alpha_test_enabled(const struct gl_context *ctx);
#endif /* FRAMEBUFFER_H */
|
