egl_dri2.h revision 7b4b4f8e68ba7a6109cc508de10314e966e56f5f 
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#ifdef HAVE_ANDROID_PLATFORM
52#define LOG_TAG "EGL-DRI2"
53
54#if ANDROID_VERSION >= 0x0400
55#  include <system/window.h>
56#else
57#  define android_native_buffer_t ANativeWindowBuffer
58#  include <ui/egl/android_natives.h>
59#  include <ui/android_native_buffer.h>
60#endif
61
62#include <hardware/gralloc.h>
63#include <gralloc_drm_handle.h>
64#include <cutils/log.h>
65
66#endif /* HAVE_ANDROID_PLATFORM */
67
68#include "eglconfig.h"
69#include "eglcontext.h"
70#include "egldisplay.h"
71#include "egldriver.h"
72#include "eglcurrent.h"
73#include "egllog.h"
74#include "eglsurface.h"
75#include "eglimage.h"
76
77#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
78
79struct dri2_egl_driver
80{
81   _EGLDriver base;
82
83   void *handle;
84   _EGLProc (*get_proc_address)(const char *procname);
85   void (*glFlush)(void);
86};
87
88struct dri2_egl_display
89{
90   int                       dri2_major;
91   int                       dri2_minor;
92   __DRIscreen              *dri_screen;
93   int                       own_dri_screen;
94   const __DRIconfig       **driver_configs;
95   void                     *driver;
96   __DRIcoreExtension       *core;
97   __DRIdri2Extension       *dri2;
98   __DRIswrastExtension     *swrast;
99   __DRI2flushExtension     *flush;
100   __DRItexBufferExtension  *tex_buffer;
101   __DRIimageExtension      *image;
102   __DRIrobustnessExtension *robustness;
103   int                       fd;
104
105   int                       own_device;
106   int                       swap_available;
107   int                       invalidate_available;
108#ifdef HAVE_DRM_PLATFORM
109   struct gbm_dri_device    *gbm_dri;
110#endif
111
112   char                     *device_name;
113   char                     *driver_name;
114
115   __DRIdri2LoaderExtension    dri2_loader_extension;
116   __DRIswrastLoaderExtension  swrast_loader_extension;
117   const __DRIextension     *extensions[4];
118
119#ifdef HAVE_X11_PLATFORM
120   xcb_connection_t         *conn;
121#endif
122
123#ifdef HAVE_WAYLAND_PLATFORM
124   struct wl_display        *wl_dpy;
125   struct wl_drm            *wl_server_drm;
126   struct wl_drm            *wl_drm;
127   int			     authenticated;
128   int			     formats;
129#endif
130
131   int (*authenticate) (_EGLDisplay *disp, uint32_t id);
132};
133
134struct dri2_egl_context
135{
136   _EGLContext   base;
137   __DRIcontext *dri_context;
138};
139
140#ifdef HAVE_WAYLAND_PLATFORM
141enum wayland_buffer_type {
142   WL_BUFFER_FRONT,
143   WL_BUFFER_BACK,
144   WL_BUFFER_THIRD,
145   WL_BUFFER_COUNT
146};
147#endif
148
149struct dri2_egl_surface
150{
151   _EGLSurface          base;
152   __DRIdrawable       *dri_drawable;
153   __DRIbuffer          buffers[5];
154   int                  buffer_count;
155   int                  have_fake_front;
156   int                  swap_interval;
157
158#ifdef HAVE_X11_PLATFORM
159   xcb_drawable_t       drawable;
160   xcb_xfixes_region_t  region;
161   int                  depth;
162   int                  bytes_per_pixel;
163   xcb_gcontext_t       gc;
164   xcb_gcontext_t       swapgc;
165#endif
166
167#ifdef HAVE_WAYLAND_PLATFORM
168   struct wl_egl_window  *wl_win;
169   struct wl_egl_pixmap  *wl_pix;
170   struct wl_buffer      *wl_drm_buffer[WL_BUFFER_COUNT];
171   int                    wl_buffer_lock[WL_BUFFER_COUNT];
172   int                    dx;
173   int                    dy;
174   __DRIbuffer           *dri_buffers[__DRI_BUFFER_COUNT];
175   __DRIbuffer           *third_buffer;
176   __DRIbuffer           *pending_buffer;
177   EGLBoolean             block_swap_buffers;
178   int			  format;
179#endif
180
181#ifdef HAVE_DRM_PLATFORM
182   struct gbm_dri_surface *gbm_surf;
183   struct {
184      struct gbm_bo       *bo;
185      int                  locked;
186   } color_buffers[3], *back, *current;
187#ifndef HAVE_WAYLAND_PLATFORM
188   __DRIbuffer           *dri_buffers[__DRI_BUFFER_COUNT];
189#endif
190#endif
191
192#ifdef HAVE_ANDROID_PLATFORM
193   struct ANativeWindow *window;
194   struct ANativeWindowBuffer *buffer;
195
196   /* EGL-owned buffers */
197   __DRIbuffer           *local_buffers[__DRI_BUFFER_COUNT];
198#endif
199};
200
201struct dri2_egl_buffer {
202   __DRIbuffer *dri_buffer;
203   struct dri2_egl_display *dri2_dpy;
204};
205
206
207struct dri2_egl_config
208{
209   _EGLConfig         base;
210   const __DRIconfig *dri_single_config;
211   const __DRIconfig *dri_double_config;
212};
213
214struct dri2_egl_image
215{
216   _EGLImage   base;
217   __DRIimage *dri_image;
218};
219
220/* standard typecasts */
221_EGL_DRIVER_STANDARD_TYPECASTS(dri2_egl)
222_EGL_DRIVER_TYPECAST(dri2_egl_image, _EGLImage, obj)
223
224extern const __DRIimageLookupExtension image_lookup_extension;
225extern const __DRIuseInvalidateExtension use_invalidate;
226
227EGLBoolean
228dri2_load_driver(_EGLDisplay *disp);
229
230/* Helper for platforms not using dri2_create_screen */
231void
232dri2_setup_screen(_EGLDisplay *disp);
233
234EGLBoolean
235dri2_load_driver_swrast(_EGLDisplay *disp);
236
237EGLBoolean
238dri2_create_screen(_EGLDisplay *disp);
239
240__DRIimage *
241dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data);
242
243struct dri2_egl_config *
244dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
245		int depth, EGLint surface_type, const EGLint *attr_list,
246		const unsigned int *rgba_masks);
247
248_EGLImage *
249dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
250		      _EGLContext *ctx, EGLenum target,
251		      EGLClientBuffer buffer, const EGLint *attr_list);
252
253EGLBoolean
254dri2_initialize_x11(_EGLDriver *drv, _EGLDisplay *disp);
255
256EGLBoolean
257dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp);
258
259EGLBoolean
260dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp);
261
262EGLBoolean
263dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *disp);
264
265char *
266dri2_get_driver_for_fd(int fd);
267char *
268dri2_get_device_name_for_fd(int fd);
269
270#endif /* EGL_DRI2_INCLUDED */
271