egl_dri2.h revision 93aea84f472f5f9ff588f7b2d4f7320ec43bc216 
1/*
2 * Copyright © 2011 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
19 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
20 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *
24 * Authors:
25 *    Kristian Høgsberg <krh@bitplanet.net>
26 */
27
28#ifndef EGL_DRI2_INCLUDED
29#define EGL_DRI2_INCLUDED
30
31#include <xcb/xcb.h>
32#include <xcb/dri2.h>
33#include <xcb/xfixes.h>
34#include <X11/Xlib-xcb.h>
35
36#ifdef HAVE_WAYLAND_PLATFORM
37#include <wayland-client.h>
38#include "wayland-egl-priv.h"
39#endif
40
41#include <GL/gl.h>
42#include <GL/internal/dri_interface.h>
43
44#include "eglconfig.h"
45#include "eglcontext.h"
46#include "egldisplay.h"
47#include "egldriver.h"
48#include "eglcurrent.h"
49#include "egllog.h"
50#include "eglsurface.h"
51#include "eglimage.h"
52
53#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
54
55struct dri2_egl_driver
56{
57   _EGLDriver base;
58
59   void *handle;
60   _EGLProc (*get_proc_address)(const char *procname);
61   void (*glFlush)(void);
62};
63
64struct dri2_egl_display
65{
66   xcb_connection_t         *conn;
67   int                       dri2_major;
68   int                       dri2_minor;
69   __DRIscreen              *dri_screen;
70   const __DRIconfig       **driver_configs;
71   void                     *driver;
72   __DRIcoreExtension       *core;
73   __DRIdri2Extension       *dri2;
74   __DRI2flushExtension     *flush;
75   __DRItexBufferExtension  *tex_buffer;
76   __DRIimageExtension      *image;
77   int                       fd;
78
79   char                     *device_name;
80   char                     *driver_name;
81
82   __DRIdri2LoaderExtension  loader_extension;
83   const __DRIextension     *extensions[3];
84#ifdef HAVE_WAYLAND_PLATFORM
85   struct wl_egl_display    *wl_dpy;
86#endif
87};
88
89struct dri2_egl_context
90{
91   _EGLContext   base;
92   __DRIcontext *dri_context;
93};
94
95#ifdef HAVE_WAYLAND_PLATFORM
96enum wayland_buffer_type {
97   WL_BUFFER_FRONT,
98   WL_BUFFER_BACK,
99   WL_BUFFER_COUNT
100};
101
102#define __DRI_BUFFER_COUNT 10
103#endif
104
105enum dri2_surface_type {
106   DRI2_WINDOW_SURFACE,
107   DRI2_PIXMAP_SURFACE,
108   DRI2_PBUFFER_SURFACE
109};
110
111struct dri2_egl_surface
112{
113   _EGLSurface          base;
114   __DRIdrawable       *dri_drawable;
115   xcb_drawable_t       drawable;
116   __DRIbuffer          buffers[5];
117   int                  buffer_count;
118   xcb_xfixes_region_t  region;
119   int                  have_fake_front;
120   int                  swap_interval;
121   enum dri2_surface_type type;
122#ifdef HAVE_WAYLAND_PLATFORM
123   struct wl_egl_window  *wl_win;
124   struct wl_egl_pixmap  *wl_pix;
125   struct wl_buffer      *wl_drm_buffer[WL_BUFFER_COUNT];
126   int                    dx;
127   int                    dy;
128   __DRIbuffer           *dri_buffers[__DRI_BUFFER_COUNT];
129   EGLBoolean             block_swap_buffers;
130#endif
131};
132
133struct dri2_egl_buffer {
134   __DRIbuffer *dri_buffer;
135   struct dri2_egl_display *dri2_dpy;
136};
137
138
139struct dri2_egl_config
140{
141   _EGLConfig         base;
142   const __DRIconfig *dri_config;
143};
144
145struct dri2_egl_image
146{
147   _EGLImage   base;
148   __DRIimage *dri_image;
149};
150
151/* standard typecasts */
152_EGL_DRIVER_STANDARD_TYPECASTS(dri2_egl)
153_EGL_DRIVER_TYPECAST(dri2_egl_image, _EGLImage, obj)
154
155extern const __DRIimageLookupExtension image_lookup_extension;
156extern const __DRIuseInvalidateExtension use_invalidate;
157
158EGLBoolean
159dri2_load_driver(_EGLDisplay *disp);
160
161EGLBoolean
162dri2_create_screen(_EGLDisplay *disp);
163
164struct dri2_egl_config *
165dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
166		int depth, EGLint surface_type);
167
168_EGLImage *
169dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
170		      _EGLContext *ctx, EGLenum target,
171		      EGLClientBuffer buffer, const EGLint *attr_list);
172
173EGLBoolean
174dri2_initialize_x11(_EGLDriver *drv, _EGLDisplay *disp);
175
176EGLBoolean
177dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp);
178
179EGLBoolean
180dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp);
181
182char *
183dri2_get_driver_for_fd(int fd);
184
185#endif /* EGL_DRI2_INCLUDED */
186