egl_dri2.h revision 3464ebd5 
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#ifdef HAVE_DRM_PLATFORM
48#include <gbm_driint.h>
49#endif
50
51#include "eglconfig.h"
52#include "eglcontext.h"
53#include "egldisplay.h"
54#include "egldriver.h"
55#include "eglcurrent.h"
56#include "egllog.h"
57#include "eglsurface.h"
58#include "eglimage.h"
59
60#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
61
62struct dri2_egl_driver
63{
64   _EGLDriver base;
65
66   void *handle;
67   _EGLProc (*get_proc_address)(const char *procname);
68   void (*glFlush)(void);
69};
70
71struct dri2_egl_display
72{
73   int                       dri2_major;
74   int                       dri2_minor;
75   __DRIscreen              *dri_screen;
76   int                       own_dri_screen;
77   const __DRIconfig       **driver_configs;
78   void                     *driver;
79   __DRIcoreExtension       *core;
80   __DRIdri2Extension       *dri2;
81   __DRIswrastExtension     *swrast;
82   __DRI2flushExtension     *flush;
83   __DRItexBufferExtension  *tex_buffer;
84   __DRIimageExtension      *image;
85   int                       fd;
86
87#ifdef HAVE_DRM_PLATFORM
88   struct gbm_dri_device    *gbm_dri;
89#endif
90
91   char                     *device_name;
92   char                     *driver_name;
93
94   __DRIdri2LoaderExtension    dri2_loader_extension;
95   __DRIswrastLoaderExtension  swrast_loader_extension;
96   const __DRIextension     *extensions[4];
97
98#ifdef HAVE_X11_PLATFORM
99   xcb_connection_t         *conn;
100#endif
101
102#ifdef HAVE_WAYLAND_PLATFORM
103   struct wl_display        *wl_dpy;
104   struct wl_drm            *wl_server_drm;
105   struct wl_drm            *wl_drm;
106   int			     authenticated;
107#endif
108
109   int (*authenticate) (_EGLDisplay *disp, uint32_t id);
110};
111
112struct dri2_egl_context
113{
114   _EGLContext   base;
115   __DRIcontext *dri_context;
116};
117
118#ifdef HAVE_WAYLAND_PLATFORM
119enum wayland_buffer_type {
120   WL_BUFFER_FRONT,
121   WL_BUFFER_BACK,
122   WL_BUFFER_THIRD,
123   WL_BUFFER_COUNT
124};
125
126#define __DRI_BUFFER_COUNT 10
127#endif
128
129enum dri2_surface_type {
130   DRI2_WINDOW_SURFACE,
131   DRI2_PIXMAP_SURFACE,
132   DRI2_PBUFFER_SURFACE
133};
134
135struct dri2_egl_surface
136{
137   _EGLSurface          base;
138   __DRIdrawable       *dri_drawable;
139   __DRIbuffer          buffers[5];
140   int                  buffer_count;
141   int                  have_fake_front;
142   int                  swap_interval;
143
144#ifdef HAVE_X11_PLATFORM
145   xcb_drawable_t       drawable;
146   xcb_xfixes_region_t  region;
147   int                  depth;
148   int                  bytes_per_pixel;
149   xcb_gcontext_t       gc;
150   xcb_gcontext_t       swapgc;
151#endif
152
153   enum dri2_surface_type type;
154#ifdef HAVE_WAYLAND_PLATFORM
155   struct wl_egl_window  *wl_win;
156   struct wl_egl_pixmap  *wl_pix;
157   struct wl_buffer      *wl_drm_buffer[WL_BUFFER_COUNT];
158   int                    wl_buffer_lock[WL_BUFFER_COUNT];
159   int                    dx;
160   int                    dy;
161   __DRIbuffer           *dri_buffers[__DRI_BUFFER_COUNT];
162   __DRIbuffer           *third_buffer;
163   __DRIbuffer           *pending_buffer;
164   EGLBoolean             block_swap_buffers;
165#endif
166};
167
168struct dri2_egl_buffer {
169   __DRIbuffer *dri_buffer;
170   struct dri2_egl_display *dri2_dpy;
171};
172
173
174struct dri2_egl_config
175{
176   _EGLConfig         base;
177   const __DRIconfig *dri_single_config;
178   const __DRIconfig *dri_double_config;
179};
180
181struct dri2_egl_image
182{
183   _EGLImage   base;
184   __DRIimage *dri_image;
185};
186
187/* standard typecasts */
188_EGL_DRIVER_STANDARD_TYPECASTS(dri2_egl)
189_EGL_DRIVER_TYPECAST(dri2_egl_image, _EGLImage, obj)
190
191extern const __DRIimageLookupExtension image_lookup_extension;
192extern const __DRIuseInvalidateExtension use_invalidate;
193
194EGLBoolean
195dri2_load_driver(_EGLDisplay *disp);
196
197/* Helper for platforms not using dri2_create_screen */
198void
199dri2_setup_screen(_EGLDisplay *disp);
200
201EGLBoolean
202dri2_load_driver_swrast(_EGLDisplay *disp);
203
204EGLBoolean
205dri2_create_screen(_EGLDisplay *disp);
206
207__DRIimage *
208dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data);
209
210struct dri2_egl_config *
211dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
212		int depth, EGLint surface_type, const EGLint *attr_list);
213
214_EGLImage *
215dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
216		      _EGLContext *ctx, EGLenum target,
217		      EGLClientBuffer buffer, const EGLint *attr_list);
218
219EGLBoolean
220dri2_initialize_x11(_EGLDriver *drv, _EGLDisplay *disp);
221
222EGLBoolean
223dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp);
224
225EGLBoolean
226dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp);
227
228char *
229dri2_get_driver_for_fd(int fd);
230char *
231dri2_get_device_name_for_fd(int fd);
232
233#endif /* EGL_DRI2_INCLUDED */
234