1 /**************************************************************************
2 *
3 * Copyright 2009, VMware, Inc.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28 #ifndef DRI_DRAWABLE_H
29 #define DRI_DRAWABLE_H
30
31 #include "pipe/p_compiler.h"
32 #include "pipe/p_format.h"
33 #include "state_tracker/st_api.h"
34
35 struct pipe_surface;
36 struct st_framebuffer;
37 struct dri_context;
38
39 #define DRI_SWAP_FENCES_MAX 4
40 #define DRI_SWAP_FENCES_MASK 3
41 #define DRI_SWAP_FENCES_DEFAULT 1
42
43 struct dri_drawable
44 {
45 struct st_framebuffer_iface base;
46 struct st_visual stvis;
47
48 struct dri_screen *screen;
49
50 /* dri */
51 __DRIdrawable *dPriv;
52 __DRIscreen *sPriv;
53
54 __DRIbuffer old[8];
55 unsigned old_num;
56 unsigned old_w;
57 unsigned old_h;
58
59 struct pipe_resource *textures[ST_ATTACHMENT_COUNT];
60 unsigned int texture_mask, texture_stamp;
61
62 struct pipe_fence_handle *swap_fences[DRI_SWAP_FENCES_MAX];
63 unsigned int cur_fences;
64 unsigned int head;
65 unsigned int tail;
66 unsigned int desired_fences;
67
68 /* used only by DRISW */
69 struct pipe_surface *drisw_surface;
70
71 /* hooks filled in by dri2 & drisw */
72 void (*allocate_textures)(struct dri_drawable *drawable,
73 const enum st_attachment_type *statts,
74 unsigned count);
75
76 void (*update_drawable_info)(struct dri_drawable *drawable);
77
78 void (*flush_frontbuffer)(struct dri_drawable *drawable,
79 enum st_attachment_type statt);
80
81 void (*update_tex_buffer)(struct dri_drawable *drawable,
82 struct dri_context *ctx,
83 struct pipe_resource *res);
84 };
85
86 static INLINE struct dri_drawable *
dri_drawable(__DRIdrawable * driDrawPriv)87 dri_drawable(__DRIdrawable * driDrawPriv)
88 {
89 return (struct dri_drawable *) (driDrawPriv)
90 ? driDrawPriv->driverPrivate : NULL;
91 }
92
93 /***********************************************************************
94 * dri_drawable.c
95 */
96 boolean
97 dri_create_buffer(__DRIscreen * sPriv,
98 __DRIdrawable * dPriv,
99 const struct gl_config * visual, boolean isPixmap);
100
101 void dri_destroy_buffer(__DRIdrawable * dPriv);
102
103 void
104 dri_drawable_get_format(struct dri_drawable *drawable,
105 enum st_attachment_type statt,
106 enum pipe_format *format,
107 unsigned *bind);
108
109 extern const __DRItexBufferExtension driTexBufferExtension;
110 extern const __DRI2throttleExtension dri2ThrottleExtension;
111 #endif
112
113 /* vim: set sw=3 ts=8 sts=3 expandtab: */
114