egl_dri2.h revision 93aea63a33c575bbce80acad391e810acc2f3e94 
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#ifdef HAVE_X11_PLATFORM
32#include <xcb/xcb.h>
33#include <xcb/dri2.h>
34#include <xcb/xfixes.h>
35#include <X11/Xlib-xcb.h>
36#endif
37
38#ifdef HAVE_WAYLAND_PLATFORM
39#include <wayland-client.h>
40#include "wayland-drm.h"
41#include "wayland-egl-priv.h"
42#endif
43
44#include <GL/gl.h>
45#include <GL/internal/dri_interface.h>
46
47#include "eglconfig.h"
48#include "eglcontext.h"
49#include "egldisplay.h"
50#include "egldriver.h"
51#include "eglcurrent.h"
52#include "egllog.h"
53#include "eglsurface.h"
54#include "eglimage.h"
55
56#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
57
58struct dri2_egl_driver
59{
60   _EGLDriver base;
61
62   void *handle;
63   _EGLProc (*get_proc_address)(const char *procname);
64   void (*glFlush)(void);
65};
66
67struct dri2_egl_display
68{
69   int                       dri2_major;
70   int                       dri2_minor;
71   __DRIscreen              *dri_screen;
72   const __DRIconfig       **driver_configs;
73   void                     *driver;
74   __DRIcoreExtension       *core;
75   __DRIdri2Extension       *dri2;
76   __DRIswrastExtension     *swrast;
77   __DRI2flushExtension     *flush;
78   __DRItexBufferExtension  *tex_buffer;
79   __DRIimageExtension      *image;
80   int                       fd;
81
82   char                     *device_name;
83   char                     *driver_name;
84
85   __DRIdri2LoaderExtension    dri2_loader_extension;
86   __DRIswrastLoaderExtension  swrast_loader_extension;
87   const __DRIextension     *extensions[3];
88
89#ifdef HAVE_X11_PLATFORM
90   xcb_connection_t         *conn;
91#endif
92
93#ifdef HAVE_WAYLAND_PLATFORM
94   struct wl_display        *wl_dpy;
95   struct wl_drm            *wl_server_drm;
96   struct wl_drm            *wl_drm;
97   int			     authenticated;
98#endif
99
100   int (*authenticate) (_EGLDisplay *disp, uint32_t id);
101};
102
103struct dri2_egl_context
104{
105   _EGLContext   base;
106   __DRIcontext *dri_context;
107};
108
109#ifdef HAVE_WAYLAND_PLATFORM
110enum wayland_buffer_type {
111   WL_BUFFER_FRONT,
112   WL_BUFFER_BACK,
113   WL_BUFFER_COUNT
114};
115
116#define __DRI_BUFFER_COUNT 10
117#endif
118
119enum dri2_surface_type {
120   DRI2_WINDOW_SURFACE,
121   DRI2_PIXMAP_SURFACE,
122   DRI2_PBUFFER_SURFACE
123};
124
125struct dri2_egl_surface
126{
127   _EGLSurface          base;
128   __DRIdrawable       *dri_drawable;
129   __DRIbuffer          buffers[5];
130   int                  buffer_count;
131   int                  have_fake_front;
132   int                  swap_interval;
133
134#ifdef HAVE_X11_PLATFORM
135   xcb_drawable_t       drawable;
136   xcb_xfixes_region_t  region;
137   int                  depth;
138   int                  bytes_per_pixel;
139   xcb_gcontext_t       gc;
140   xcb_gcontext_t       swapgc;
141#endif
142
143   enum dri2_surface_type type;
144#ifdef HAVE_WAYLAND_PLATFORM
145   struct wl_egl_window  *wl_win;
146   struct wl_egl_pixmap  *wl_pix;
147   struct wl_buffer      *wl_drm_buffer[WL_BUFFER_COUNT];
148   int                    dx;
149   int                    dy;
150   __DRIbuffer           *dri_buffers[__DRI_BUFFER_COUNT];
151   __DRIbuffer           *pending_buffer;
152   EGLBoolean             block_swap_buffers;
153#endif
154};
155
156struct dri2_egl_buffer {
157   __DRIbuffer *dri_buffer;
158   struct dri2_egl_display *dri2_dpy;
159};
160
161
162struct dri2_egl_config
163{
164   _EGLConfig         base;
165   const __DRIconfig *dri_single_config;
166   const __DRIconfig *dri_double_config;
167};
168
169struct dri2_egl_image
170{
171   _EGLImage   base;
172   __DRIimage *dri_image;
173};
174
175/* standard typecasts */
176_EGL_DRIVER_STANDARD_TYPECASTS(dri2_egl)
177_EGL_DRIVER_TYPECAST(dri2_egl_image, _EGLImage, obj)
178
179extern const __DRIimageLookupExtension image_lookup_extension;
180extern const __DRIuseInvalidateExtension use_invalidate;
181
182EGLBoolean
183dri2_load_driver(_EGLDisplay *disp);
184
185EGLBoolean
186dri2_create_screen(_EGLDisplay *disp);
187
188struct dri2_egl_config *
189dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
190		int depth, EGLint surface_type, const EGLint *attr_list);
191
192_EGLImage *
193dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
194		      _EGLContext *ctx, EGLenum target,
195		      EGLClientBuffer buffer, const EGLint *attr_list);
196
197EGLBoolean
198dri2_initialize_x11(_EGLDriver *drv, _EGLDisplay *disp);
199
200EGLBoolean
201dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp);
202
203EGLBoolean
204dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp);
205
206char *
207dri2_get_driver_for_fd(int fd);
208
209#endif /* EGL_DRI2_INCLUDED */
210