egl_dri2.h revision 655f2c1d6593064b83f64a527798f48cd300fa16 
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   int                       fd;
103
104   int                       own_device;
105   int                       swap_available;
106#ifdef HAVE_DRM_PLATFORM
107   struct gbm_dri_device    *gbm_dri;
108#endif
109
110   char                     *device_name;
111   char                     *driver_name;
112
113   __DRIdri2LoaderExtension    dri2_loader_extension;
114   __DRIswrastLoaderExtension  swrast_loader_extension;
115   const __DRIextension     *extensions[4];
116
117#ifdef HAVE_X11_PLATFORM
118   xcb_connection_t         *conn;
119#endif
120
121#ifdef HAVE_WAYLAND_PLATFORM
122   struct wl_display        *wl_dpy;
123   struct wl_drm            *wl_server_drm;
124   struct wl_drm            *wl_drm;
125   int			     authenticated;
126   int			     formats;
127#endif
128
129   int (*authenticate) (_EGLDisplay *disp, uint32_t id);
130};
131
132struct dri2_egl_context
133{
134   _EGLContext   base;
135   __DRIcontext *dri_context;
136};
137
138#ifdef HAVE_WAYLAND_PLATFORM
139enum wayland_buffer_type {
140   WL_BUFFER_FRONT,
141   WL_BUFFER_BACK,
142   WL_BUFFER_THIRD,
143   WL_BUFFER_COUNT
144};
145#endif
146
147struct dri2_egl_surface
148{
149   _EGLSurface          base;
150   __DRIdrawable       *dri_drawable;
151   __DRIbuffer          buffers[5];
152   int                  buffer_count;
153   int                  have_fake_front;
154   int                  swap_interval;
155
156#ifdef HAVE_X11_PLATFORM
157   xcb_drawable_t       drawable;
158   xcb_xfixes_region_t  region;
159   int                  depth;
160   int                  bytes_per_pixel;
161   xcb_gcontext_t       gc;
162   xcb_gcontext_t       swapgc;
163#endif
164
165#ifdef HAVE_WAYLAND_PLATFORM
166   struct wl_egl_window  *wl_win;
167   struct wl_egl_pixmap  *wl_pix;
168   struct wl_buffer      *wl_drm_buffer[WL_BUFFER_COUNT];
169   int                    wl_buffer_lock[WL_BUFFER_COUNT];
170   int                    dx;
171   int                    dy;
172   __DRIbuffer           *dri_buffers[__DRI_BUFFER_COUNT];
173   __DRIbuffer           *third_buffer;
174   __DRIbuffer           *pending_buffer;
175   EGLBoolean             block_swap_buffers;
176   int			  format;
177#endif
178
179#ifdef HAVE_ANDROID_PLATFORM
180   struct ANativeWindow *window;
181   struct ANativeWindowBuffer *buffer;
182
183   /* EGL-owned buffers */
184   __DRIbuffer           *local_buffers[__DRI_BUFFER_COUNT];
185#endif
186};
187
188struct dri2_egl_buffer {
189   __DRIbuffer *dri_buffer;
190   struct dri2_egl_display *dri2_dpy;
191};
192
193
194struct dri2_egl_config
195{
196   _EGLConfig         base;
197   const __DRIconfig *dri_single_config;
198   const __DRIconfig *dri_double_config;
199};
200
201struct dri2_egl_image
202{
203   _EGLImage   base;
204   __DRIimage *dri_image;
205};
206
207/* standard typecasts */
208_EGL_DRIVER_STANDARD_TYPECASTS(dri2_egl)
209_EGL_DRIVER_TYPECAST(dri2_egl_image, _EGLImage, obj)
210
211extern const __DRIimageLookupExtension image_lookup_extension;
212extern const __DRIuseInvalidateExtension use_invalidate;
213
214EGLBoolean
215dri2_load_driver(_EGLDisplay *disp);
216
217/* Helper for platforms not using dri2_create_screen */
218void
219dri2_setup_screen(_EGLDisplay *disp);
220
221EGLBoolean
222dri2_load_driver_swrast(_EGLDisplay *disp);
223
224EGLBoolean
225dri2_create_screen(_EGLDisplay *disp);
226
227__DRIimage *
228dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data);
229
230struct dri2_egl_config *
231dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
232		int depth, EGLint surface_type, const EGLint *attr_list,
233		const unsigned int *rgba_masks);
234
235_EGLImage *
236dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
237		      _EGLContext *ctx, EGLenum target,
238		      EGLClientBuffer buffer, const EGLint *attr_list);
239
240EGLBoolean
241dri2_initialize_x11(_EGLDriver *drv, _EGLDisplay *disp);
242
243EGLBoolean
244dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp);
245
246EGLBoolean
247dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp);
248
249EGLBoolean
250dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *disp);
251
252char *
253dri2_get_driver_for_fd(int fd);
254char *
255dri2_get_device_name_for_fd(int fd);
256
257#endif /* EGL_DRI2_INCLUDED */
258