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 "util/compiler.h"
32 #include "util/format/u_formats.h"
33 #include "frontend/api.h"
34 #include "dri_util.h"
35
36 struct dri_context;
37 struct dri_screen;
38
39 struct dri_drawable
40 {
41 struct pipe_frontend_drawable base;
42 struct st_visual stvis;
43
44 struct dri_screen *screen;
45
46 __DRIbuffer old[__DRI_BUFFER_COUNT];
47 unsigned old_num;
48 unsigned old_w;
49 unsigned old_h;
50
51 struct pipe_box *damage_rects;
52 unsigned int num_damage_rects;
53
54 struct pipe_resource *textures[ST_ATTACHMENT_COUNT];
55 struct pipe_resource *msaa_textures[ST_ATTACHMENT_COUNT];
56 unsigned int texture_mask, texture_stamp;
57 int swap_interval;
58
59 struct pipe_fence_handle *throttle_fence;
60 bool flushing; /* prevents recursion in dri_flush */
61
62 /**
63 * Private data from the loader. We just hold on to it and pass
64 * it back when calling into loader provided functions.
65 */
66 void *loaderPrivate;
67
68 /**
69 * Reference count for number of context's currently bound to this
70 * drawable.
71 *
72 * Once it reaches zero, the drawable can be destroyed.
73 *
74 * \note This behavior will change with GLX 1.3.
75 */
76 int refcount;
77
78 /**
79 * Increased when the loader calls invalidate.
80 *
81 * If this changes, the drawable information (below) should be retrieved
82 * from the loader.
83 */
84 unsigned int lastStamp;
85 int w, h;
86
87 /* generic for swrast */
88 unsigned buffer_age;
89
90 /* kopper */
91 struct kopper_loader_info info;
92 __DRIimage *image; //texture_from_pixmap
93 bool is_window;
94 bool window_valid;
95
96 /* hooks filled in by dri2 & drisw */
97 void (*allocate_textures)(struct dri_context *ctx,
98 struct dri_drawable *drawable,
99 const enum st_attachment_type *statts,
100 unsigned count);
101
102 void (*update_drawable_info)(struct dri_drawable *drawable);
103
104 bool (*flush_frontbuffer)(struct dri_context *ctx,
105 struct dri_drawable *drawable,
106 enum st_attachment_type statt);
107
108 void (*update_tex_buffer)(struct dri_drawable *drawable,
109 struct dri_context *ctx,
110 struct pipe_resource *res);
111 void (*flush_swapbuffers)(struct dri_context *ctx,
112 struct dri_drawable *drawable);
113
114 void (*swap_buffers)(struct dri_drawable *drawable);
115 void (*swap_buffers_with_damage)(struct dri_drawable *drawable, int nrects, const int *rects);
116 };
117
118 /* Typecast the opaque pointer to our own type. */
119 static inline struct dri_drawable *
dri_drawable(__DRIdrawable * drawable)120 dri_drawable(__DRIdrawable *drawable)
121 {
122 return (struct dri_drawable *)drawable;
123 }
124
125 /* Typecast our own type to the opaque pointer. */
126 static inline __DRIdrawable *
opaque_dri_drawable(struct dri_drawable * drawable)127 opaque_dri_drawable(struct dri_drawable *drawable)
128 {
129 return (__DRIdrawable *)drawable;
130 }
131
132 static inline void
dri_get_drawable(struct dri_drawable * drawable)133 dri_get_drawable(struct dri_drawable *drawable)
134 {
135 drawable->refcount++;
136 }
137
138 /***********************************************************************
139 * dri_drawable.c
140 */
141 void
142 dri_put_drawable(struct dri_drawable *drawable);
143
144 void
145 dri_drawable_get_format(struct dri_drawable *drawable,
146 enum st_attachment_type statt,
147 enum pipe_format *format,
148 unsigned *bind);
149
150 void
151 dri_pipe_blit(struct pipe_context *pipe,
152 struct pipe_resource *dst,
153 struct pipe_resource *src);
154
155 void
156 dri_flush(__DRIcontext *cPriv,
157 __DRIdrawable *dPriv,
158 unsigned flags,
159 enum __DRI2throttleReason reason);
160
161 void
162 dri_flush_drawable(__DRIdrawable *dPriv);
163
164 extern const __DRItexBufferExtension driTexBufferExtension;
165
166 void
167 drisw_update_tex_buffer(struct dri_drawable *drawable,
168 struct dri_context *ctx,
169 struct pipe_resource *res);
170
171 void
172 kopper_init_drawable(struct dri_drawable *drawable, bool isPixmap, int alphaBits);
173 void
174 drisw_init_drawable(struct dri_drawable *drawable, bool isPixmap, int alphaBits);
175 void
176 dri2_init_drawable(struct dri_drawable *drawable, bool isPixmap, int alphaBits);
177 #endif
178
179 /* vim: set sw=3 ts=8 sts=3 expandtab: */
180