egl_dri2.h revision af69d88d 
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-egl-priv.h"
41#endif
42
43#include <GL/gl.h>
44#include <GL/internal/dri_interface.h>
45
46#ifdef HAVE_DRM_PLATFORM
47#include <gbm_driint.h>
48#endif
49
50#ifdef HAVE_ANDROID_PLATFORM
51#define LOG_TAG "EGL-DRI2"
52
53#if ANDROID_VERSION >= 0x0400
54#  include <system/window.h>
55#else
56#  define android_native_buffer_t ANativeWindowBuffer
57#  include <ui/egl/android_natives.h>
58#  include <ui/android_native_buffer.h>
59#endif
60
61#include <hardware/gralloc.h>
62#include <gralloc_drm_handle.h>
63#include <cutils/log.h>
64
65#endif /* HAVE_ANDROID_PLATFORM */
66
67#include "eglconfig.h"
68#include "eglcontext.h"
69#include "egldisplay.h"
70#include "egldriver.h"
71#include "eglcurrent.h"
72#include "egllog.h"
73#include "eglsurface.h"
74#include "eglimage.h"
75
76#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
77
78struct wl_buffer;
79
80struct dri2_egl_driver
81{
82   _EGLDriver base;
83
84   void *handle;
85   _EGLProc (*get_proc_address)(const char *procname);
86   void (*glFlush)(void);
87};
88
89struct dri2_egl_display_vtbl {
90   int (*authenticate)(_EGLDisplay *disp, uint32_t id);
91
92   _EGLSurface* (*create_window_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
93                                         _EGLConfig *config,
94                                         void *native_window,
95                                         const EGLint *attrib_list);
96
97   _EGLSurface* (*create_pixmap_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
98                                         _EGLConfig *config,
99                                         void *native_pixmap,
100                                         const EGLint *attrib_list);
101
102   _EGLSurface* (*create_pbuffer_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
103                                          _EGLConfig *config,
104                                          const EGLint *attrib_list);
105
106   EGLBoolean (*destroy_surface)(_EGLDriver *drv, _EGLDisplay *dpy,
107                                 _EGLSurface *surface);
108
109   EGLBoolean (*swap_interval)(_EGLDriver *drv, _EGLDisplay *dpy,
110                               _EGLSurface *surf, EGLint interval);
111
112   _EGLImage* (*create_image)(_EGLDriver *drv, _EGLDisplay *dpy,
113                              _EGLContext *ctx, EGLenum target,
114                              EGLClientBuffer buffer,
115                              const EGLint *attr_list);
116
117   EGLBoolean (*swap_buffers)(_EGLDriver *drv, _EGLDisplay *dpy,
118                              _EGLSurface *surf);
119
120   EGLBoolean (*swap_buffers_with_damage)(_EGLDriver *drv, _EGLDisplay *dpy,
121                                          _EGLSurface *surface,
122                                          const EGLint *rects, EGLint n_rects);
123
124   EGLBoolean (*swap_buffers_region)(_EGLDriver *drv, _EGLDisplay *dpy,
125                                     _EGLSurface *surf, EGLint numRects,
126                                     const EGLint *rects);
127
128   EGLBoolean (*post_sub_buffer)(_EGLDriver *drv, _EGLDisplay *dpy,
129                                 _EGLSurface *surf,
130                                 EGLint x, EGLint y,
131                                 EGLint width, EGLint height);
132
133   EGLBoolean (*copy_buffers)(_EGLDriver *drv, _EGLDisplay *dpy,
134                              _EGLSurface *surf, void *native_pixmap_target);
135
136   EGLint (*query_buffer_age)(_EGLDriver *drv, _EGLDisplay *dpy,
137                              _EGLSurface *surf);
138
139   struct wl_buffer* (*create_wayland_buffer_from_image)(
140                        _EGLDriver *drv, _EGLDisplay *dpy, _EGLImage *img);
141
142   EGLBoolean (*get_sync_values)(_EGLDisplay *display, _EGLSurface *surface,
143                                 EGLuint64KHR *ust, EGLuint64KHR *msc,
144                                 EGLuint64KHR *sbc);
145};
146
147struct dri2_egl_display
148{
149   const struct dri2_egl_display_vtbl *vtbl;
150
151   int                       dri2_major;
152   int                       dri2_minor;
153   __DRIscreen              *dri_screen;
154   int                       own_dri_screen;
155   const __DRIconfig       **driver_configs;
156   void                     *driver;
157   const __DRIcoreExtension       *core;
158   const __DRIdri2Extension       *dri2;
159   const __DRIswrastExtension     *swrast;
160   const __DRI2flushExtension     *flush;
161   const __DRItexBufferExtension  *tex_buffer;
162   const __DRIimageExtension      *image;
163   const __DRIrobustnessExtension *robustness;
164   const __DRI2configQueryExtension *config;
165   int                       fd;
166
167   int                       own_device;
168   int                       swap_available;
169   int                       invalidate_available;
170   int                       min_swap_interval;
171   int                       max_swap_interval;
172   int                       default_swap_interval;
173#ifdef HAVE_DRM_PLATFORM
174   struct gbm_dri_device    *gbm_dri;
175#endif
176
177   char                     *device_name;
178   char                     *driver_name;
179
180   __DRIdri2LoaderExtension    dri2_loader_extension;
181   __DRIswrastLoaderExtension  swrast_loader_extension;
182   const __DRIextension     *extensions[5];
183   const __DRIextension    **driver_extensions;
184
185#ifdef HAVE_X11_PLATFORM
186   xcb_connection_t         *conn;
187#endif
188
189#ifdef HAVE_WAYLAND_PLATFORM
190   struct wl_display        *wl_dpy;
191   struct wl_registry       *wl_registry;
192   struct wl_drm            *wl_server_drm;
193   struct wl_drm            *wl_drm;
194   struct wl_event_queue    *wl_queue;
195   int			     authenticated;
196   int			     formats;
197   uint32_t                  capabilities;
198#endif
199};
200
201struct dri2_egl_context
202{
203   _EGLContext   base;
204   __DRIcontext *dri_context;
205};
206
207#ifdef HAVE_WAYLAND_PLATFORM
208enum wayland_buffer_type {
209   WL_BUFFER_FRONT,
210   WL_BUFFER_BACK,
211   WL_BUFFER_THIRD,
212   WL_BUFFER_COUNT
213};
214#endif
215
216struct dri2_egl_surface
217{
218   _EGLSurface          base;
219   __DRIdrawable       *dri_drawable;
220   __DRIbuffer          buffers[5];
221   int                  buffer_count;
222   int                  have_fake_front;
223
224#ifdef HAVE_X11_PLATFORM
225   xcb_drawable_t       drawable;
226   xcb_xfixes_region_t  region;
227   int                  depth;
228   int                  bytes_per_pixel;
229   xcb_gcontext_t       gc;
230   xcb_gcontext_t       swapgc;
231#endif
232
233#ifdef HAVE_WAYLAND_PLATFORM
234   struct wl_egl_window  *wl_win;
235   int                    dx;
236   int                    dy;
237   struct wl_callback    *throttle_callback;
238   int			  format;
239#endif
240
241#ifdef HAVE_DRM_PLATFORM
242   struct gbm_dri_surface *gbm_surf;
243#endif
244
245#if defined(HAVE_WAYLAND_PLATFORM) || defined(HAVE_DRM_PLATFORM)
246   __DRIbuffer           *dri_buffers[__DRI_BUFFER_COUNT];
247   struct {
248#ifdef HAVE_WAYLAND_PLATFORM
249      struct wl_buffer   *wl_buffer;
250      __DRIimage         *dri_image;
251#endif
252#ifdef HAVE_DRM_PLATFORM
253      struct gbm_bo       *bo;
254#endif
255      int                 locked;
256      int                 age;
257   } color_buffers[4], *back, *current;
258#endif
259
260#ifdef HAVE_ANDROID_PLATFORM
261   struct ANativeWindow *window;
262   struct ANativeWindowBuffer *buffer;
263
264   /* EGL-owned buffers */
265   __DRIbuffer           *local_buffers[__DRI_BUFFER_COUNT];
266#endif
267};
268
269
270struct dri2_egl_config
271{
272   _EGLConfig         base;
273   const __DRIconfig *dri_single_config;
274   const __DRIconfig *dri_double_config;
275};
276
277struct dri2_egl_image
278{
279   _EGLImage   base;
280   __DRIimage *dri_image;
281};
282
283/* From xmlpool/options.h, user exposed so should be stable */
284#define DRI_CONF_VBLANK_NEVER 0
285#define DRI_CONF_VBLANK_DEF_INTERVAL_0 1
286#define DRI_CONF_VBLANK_DEF_INTERVAL_1 2
287#define DRI_CONF_VBLANK_ALWAYS_SYNC 3
288
289/* standard typecasts */
290_EGL_DRIVER_STANDARD_TYPECASTS(dri2_egl)
291_EGL_DRIVER_TYPECAST(dri2_egl_image, _EGLImage, obj)
292
293extern const __DRIimageLookupExtension image_lookup_extension;
294extern const __DRIuseInvalidateExtension use_invalidate;
295
296EGLBoolean
297dri2_load_driver(_EGLDisplay *disp);
298
299/* Helper for platforms not using dri2_create_screen */
300void
301dri2_setup_screen(_EGLDisplay *disp);
302
303EGLBoolean
304dri2_load_driver_swrast(_EGLDisplay *disp);
305
306EGLBoolean
307dri2_create_screen(_EGLDisplay *disp);
308
309__DRIimage *
310dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data);
311
312struct dri2_egl_config *
313dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
314		EGLint surface_type, const EGLint *attr_list,
315		const unsigned int *rgba_masks);
316
317_EGLImage *
318dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
319		      _EGLContext *ctx, EGLenum target,
320		      EGLClientBuffer buffer, const EGLint *attr_list);
321
322EGLBoolean
323dri2_initialize_x11(_EGLDriver *drv, _EGLDisplay *disp);
324
325EGLBoolean
326dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp);
327
328EGLBoolean
329dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp);
330
331EGLBoolean
332dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *disp);
333
334#endif /* EGL_DRI2_INCLUDED */
335