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
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
|
/*
* Copyright © 2004 David Reveman
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of
* David Reveman not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior permission.
* David Reveman makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without express or
* implied warranty.
*
* DAVID REVEMAN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
* NO EVENT SHALL DAVID REVEMAN BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: David Reveman <davidr@novell.com>
*/
#ifdef HAVE_CONFIG_H
# include "../config.h"
#endif
#include "glitz_glxint.h"
static glitz_glx_drawable_t *
_glitz_glx_create_drawable (glitz_glx_screen_info_t *screen_info,
glitz_glx_context_t *context,
glitz_drawable_format_t *format,
GLXDrawable glx_drawable,
GLXPbuffer glx_pbuffer,
int width,
int height)
{
glitz_glx_drawable_t *drawable;
drawable = (glitz_glx_drawable_t *) malloc (sizeof (glitz_glx_drawable_t));
if (drawable == NULL)
return NULL;
drawable->screen_info = screen_info;
drawable->context = context;
drawable->drawable = glx_drawable;
drawable->pbuffer = glx_pbuffer;
drawable->width = width;
drawable->height = height;
_glitz_drawable_init (&drawable->base,
&screen_info->formats[format->id],
&context->backend,
width, height);
if (!context->initialized) {
glitz_glx_push_current (drawable, NULL, GLITZ_CONTEXT_CURRENT);
glitz_glx_pop_current (drawable);
}
if (width > context->backend.max_viewport_dims[0] ||
height > context->backend.max_viewport_dims[1]) {
free (drawable);
return NULL;
}
screen_info->drawables++;
return drawable;
}
glitz_bool_t
_glitz_glx_drawable_update_size (glitz_glx_drawable_t *drawable,
int width,
int height)
{
if (drawable->pbuffer)
{
glitz_glx_pbuffer_destroy (drawable->screen_info, drawable->pbuffer);
drawable->drawable = drawable->pbuffer =
glitz_glx_pbuffer_create (drawable->screen_info,
drawable->context->fbconfig,
(int) width, (int) height);
if (!drawable->pbuffer)
return 0;
}
drawable->width = width;
drawable->height = height;
return 1;
}
static glitz_drawable_t *
_glitz_glx_create_pbuffer_drawable (glitz_glx_screen_info_t *screen_info,
glitz_drawable_format_t *format,
unsigned int width,
unsigned int height)
{
glitz_glx_drawable_t *drawable;
glitz_glx_context_t *context;
GLXPbuffer pbuffer;
context = glitz_glx_context_get (screen_info, format);
if (!context)
return NULL;
pbuffer = glitz_glx_pbuffer_create (screen_info, context->fbconfig,
(int) width, (int) height);
if (!pbuffer)
return NULL;
drawable = _glitz_glx_create_drawable (screen_info, context, format,
pbuffer, pbuffer,
width, height);
if (!drawable) {
glitz_glx_pbuffer_destroy (screen_info, pbuffer);
return NULL;
}
return &drawable->base;
}
glitz_drawable_t *
glitz_glx_create_pbuffer (void *abstract_templ,
glitz_drawable_format_t *format,
unsigned int width,
unsigned int height)
{
glitz_glx_drawable_t *templ = (glitz_glx_drawable_t *) abstract_templ;
return _glitz_glx_create_pbuffer_drawable (templ->screen_info, format,
width, height);
}
glitz_drawable_t *
glitz_glx_create_drawable_for_window (Display *display,
int screen,
glitz_drawable_format_t *format,
Window window,
unsigned int width,
unsigned int height)
{
glitz_glx_drawable_t *drawable;
glitz_glx_screen_info_t *screen_info;
glitz_glx_context_t *context;
glitz_int_drawable_format_t *iformat;
screen_info = glitz_glx_screen_info_get (display, screen);
if (!screen_info)
return NULL;
if (format->id >= screen_info->n_formats)
return NULL;
iformat = &screen_info->formats[format->id];
if (!(iformat->types & GLITZ_DRAWABLE_TYPE_WINDOW_MASK))
return NULL;
context = glitz_glx_context_get (screen_info, format);
if (!context)
return NULL;
drawable = _glitz_glx_create_drawable (screen_info, context, format,
window, (GLXPbuffer) 0,
width, height);
if (!drawable)
return NULL;
return &drawable->base;
}
slim_hidden_def(glitz_glx_create_drawable_for_window);
glitz_drawable_t *
glitz_glx_create_pbuffer_drawable (Display *display,
int screen,
glitz_drawable_format_t *format,
unsigned int width,
unsigned int height)
{
glitz_glx_screen_info_t *screen_info;
glitz_int_drawable_format_t *iformat;
screen_info = glitz_glx_screen_info_get (display, screen);
if (!screen_info)
return NULL;
if (format->id >= screen_info->n_formats)
return NULL;
iformat = &screen_info->formats[format->id];
if (!(iformat->types & GLITZ_DRAWABLE_TYPE_PBUFFER_MASK))
return NULL;
return _glitz_glx_create_pbuffer_drawable (screen_info, format,
width, height);
}
slim_hidden_def(glitz_glx_create_pbuffer_drawable);
void
glitz_glx_destroy (void *abstract_drawable)
{
glitz_glx_drawable_t *drawable = (glitz_glx_drawable_t *)
abstract_drawable;
drawable->screen_info->drawables--;
if (drawable->screen_info->drawables == 0) {
/*
* Last drawable? We have to destroy all fragment programs as this may
* be our last chance to have a context current.
*/
glitz_glx_push_current (abstract_drawable, NULL,
GLITZ_CONTEXT_CURRENT);
glitz_program_map_fini (drawable->base.backend->gl,
&drawable->screen_info->program_map);
glitz_program_map_init (&drawable->screen_info->program_map);
glitz_glx_pop_current (abstract_drawable);
}
if (glXGetCurrentDrawable () == drawable->drawable)
glXMakeCurrent (drawable->screen_info->display_info->display,
None, NULL);
if (drawable->pbuffer)
glitz_glx_pbuffer_destroy (drawable->screen_info, drawable->pbuffer);
free (drawable);
}
glitz_bool_t
glitz_glx_swap_buffers (void *abstract_drawable)
{
glitz_glx_drawable_t *drawable = (glitz_glx_drawable_t *)
abstract_drawable;
glXSwapBuffers (drawable->screen_info->display_info->display,
drawable->drawable);
return 1;
}
glitz_bool_t
glitz_glx_copy_sub_buffer (void *abstract_drawable,
int x,
int y,
int width,
int height)
{
glitz_glx_drawable_t *drawable = (glitz_glx_drawable_t *)
abstract_drawable;
glitz_glx_screen_info_t *screen_info = drawable->screen_info;
if (screen_info->glx_feature_mask & GLITZ_GLX_FEATURE_COPY_SUB_BUFFER_MASK)
{
screen_info->glx.copy_sub_buffer (screen_info->display_info->display,
drawable->drawable,
x, y, width, height);
return 1;
}
return 0;
}
|
