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
35struct pipe_surface;
36struct st_framebuffer;
37struct 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
43struct 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   struct pipe_resource *msaa_textures[ST_ATTACHMENT_COUNT];
61   unsigned int texture_mask, texture_stamp;
62
63   struct pipe_fence_handle *swap_fences[DRI_SWAP_FENCES_MAX];
64   unsigned int cur_fences;
65   unsigned int head;
66   unsigned int tail;
67   unsigned int desired_fences;
68   boolean flushing; /* prevents recursion in dri_flush */
69
70   /* used only by DRISW */
71   struct pipe_surface *drisw_surface;
72
73   /* hooks filled in by dri2 & drisw */
74   void (*allocate_textures)(struct dri_context *ctx,
75                             struct dri_drawable *drawable,
76                             const enum st_attachment_type *statts,
77                             unsigned count);
78
79   void (*update_drawable_info)(struct dri_drawable *drawable);
80
81   void (*flush_frontbuffer)(struct dri_context *ctx,
82                             struct dri_drawable *drawable,
83                             enum st_attachment_type statt);
84
85   void (*update_tex_buffer)(struct dri_drawable *drawable,
86                             struct dri_context *ctx,
87                             struct pipe_resource *res);
88   void (*flush_swapbuffers)(struct dri_context *ctx,
89                             struct dri_drawable *drawable);
90};
91
92static inline struct dri_drawable *
93dri_drawable(__DRIdrawable * driDrawPriv)
94{
95   return (struct dri_drawable *) (driDrawPriv)
96      ? driDrawPriv->driverPrivate : NULL;
97}
98
99/***********************************************************************
100 * dri_drawable.c
101 */
102boolean
103dri_create_buffer(__DRIscreen * sPriv,
104		  __DRIdrawable * dPriv,
105		  const struct gl_config * visual, boolean isPixmap);
106
107void dri_destroy_buffer(__DRIdrawable * dPriv);
108
109void
110dri_drawable_get_format(struct dri_drawable *drawable,
111                        enum st_attachment_type statt,
112                        enum pipe_format *format,
113                        unsigned *bind);
114
115void
116dri_pipe_blit(struct pipe_context *pipe,
117              struct pipe_resource *dst,
118              struct pipe_resource *src);
119
120void
121dri_flush(__DRIcontext *cPriv,
122          __DRIdrawable *dPriv,
123          unsigned flags,
124          enum __DRI2throttleReason reason);
125
126extern const __DRItexBufferExtension driTexBufferExtension;
127extern const __DRI2throttleExtension dri2ThrottleExtension;
128#endif
129
130/* vim: set sw=3 ts=8 sts=3 expandtab: */
131