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 79 struct 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 88 struct 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_registry *wl_registry; 126 struct wl_drm *wl_server_drm; 127 struct wl_drm *wl_drm; 128 struct wl_event_queue *wl_queue; 129 int authenticated; 130 int formats; 131 #endif 132 133 int (*authenticate) (_EGLDisplay *disp, uint32_t id); 134 }; 135 136 struct dri2_egl_context 137 { 138 _EGLContext base; 139 __DRIcontext *dri_context; 140 }; 141 142 #ifdef HAVE_WAYLAND_PLATFORM 143 enum wayland_buffer_type { 144 WL_BUFFER_FRONT, 145 WL_BUFFER_BACK, 146 WL_BUFFER_THIRD, 147 WL_BUFFER_COUNT 148 }; 149 #endif 150 151 struct dri2_egl_surface 152 { 153 _EGLSurface base; 154 __DRIdrawable *dri_drawable; 155 __DRIbuffer buffers[5]; 156 int buffer_count; 157 int have_fake_front; 158 int swap_interval; 159 160 #ifdef HAVE_X11_PLATFORM 161 xcb_drawable_t drawable; 162 xcb_xfixes_region_t region; 163 int depth; 164 int bytes_per_pixel; 165 xcb_gcontext_t gc; 166 xcb_gcontext_t swapgc; 167 #endif 168 169 #ifdef HAVE_WAYLAND_PLATFORM 170 struct wl_egl_window *wl_win; 171 struct wl_egl_pixmap *wl_pix; 172 struct wl_buffer *wl_drm_buffer[WL_BUFFER_COUNT]; 173 int wl_buffer_lock[WL_BUFFER_COUNT]; 174 int dx; 175 int dy; 176 __DRIbuffer *dri_buffers[__DRI_BUFFER_COUNT]; 177 __DRIbuffer *third_buffer; 178 __DRIbuffer *pending_buffer; 179 struct wl_callback *frame_callback; 180 struct wl_callback *pending_buffer_callback; 181 int format; 182 #endif 183 184 #ifdef HAVE_DRM_PLATFORM 185 struct gbm_dri_surface *gbm_surf; 186 struct { 187 struct gbm_bo *bo; 188 int locked; 189 } color_buffers[3], *back, *current; 190 #ifndef HAVE_WAYLAND_PLATFORM 191 __DRIbuffer *dri_buffers[__DRI_BUFFER_COUNT]; 192 #endif 193 #endif 194 195 #ifdef HAVE_ANDROID_PLATFORM 196 struct ANativeWindow *window; 197 struct ANativeWindowBuffer *buffer; 198 199 /* EGL-owned buffers */ 200 __DRIbuffer *local_buffers[__DRI_BUFFER_COUNT]; 201 #endif 202 }; 203 204 struct dri2_egl_buffer { 205 __DRIbuffer *dri_buffer; 206 struct dri2_egl_display *dri2_dpy; 207 }; 208 209 210 struct dri2_egl_config 211 { 212 _EGLConfig base; 213 const __DRIconfig *dri_single_config; 214 const __DRIconfig *dri_double_config; 215 }; 216 217 struct dri2_egl_image 218 { 219 _EGLImage base; 220 __DRIimage *dri_image; 221 }; 222 223 /* standard typecasts */ 224 _EGL_DRIVER_STANDARD_TYPECASTS(dri2_egl) 225 _EGL_DRIVER_TYPECAST(dri2_egl_image, _EGLImage, obj) 226 227 extern const __DRIimageLookupExtension image_lookup_extension; 228 extern const __DRIuseInvalidateExtension use_invalidate; 229 230 EGLBoolean 231 dri2_load_driver(_EGLDisplay *disp); 232 233 /* Helper for platforms not using dri2_create_screen */ 234 void 235 dri2_setup_screen(_EGLDisplay *disp); 236 237 EGLBoolean 238 dri2_load_driver_swrast(_EGLDisplay *disp); 239 240 EGLBoolean 241 dri2_create_screen(_EGLDisplay *disp); 242 243 __DRIimage * 244 dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data); 245 246 struct dri2_egl_config * 247 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id, 248 int depth, EGLint surface_type, const EGLint *attr_list, 249 const unsigned int *rgba_masks); 250 251 _EGLImage * 252 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp, 253 _EGLContext *ctx, EGLenum target, 254 EGLClientBuffer buffer, const EGLint *attr_list); 255 256 EGLBoolean 257 dri2_initialize_x11(_EGLDriver *drv, _EGLDisplay *disp); 258 259 EGLBoolean 260 dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp); 261 262 EGLBoolean 263 dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp); 264 265 EGLBoolean 266 dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *disp); 267 268 char * 269 dri2_get_driver_for_fd(int fd); 270 char * 271 dri2_get_device_name_for_fd(int fd); 272 273 #endif /* EGL_DRI2_INCLUDED */ 274