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 Hgsberg <krh (at) bitplanet.net> 26 */ 27 28 #ifndef EGL_DRI2_INCLUDED 29 #define EGL_DRI2_INCLUDED 30 31 #include <stdint.h> 32 33 #ifdef HAVE_X11_PLATFORM 34 #include <xcb/xcb.h> 35 #include <xcb/dri2.h> 36 #include <xcb/xfixes.h> 37 #include <X11/Xlib-xcb.h> 38 39 #ifdef HAVE_DRI3 40 #include "loader_dri3_helper.h" 41 #endif 42 #endif 43 44 #ifdef HAVE_WAYLAND_PLATFORM 45 #include <wayland-client.h> 46 #include "wayland-egl-priv.h" 47 #endif 48 49 #include <GL/gl.h> 50 #include <GL/internal/dri_interface.h> 51 52 #ifdef HAVE_DRM_PLATFORM 53 #include <gbm_driint.h> 54 #endif 55 56 #ifdef HAVE_ANDROID_PLATFORM 57 #define LOG_TAG "EGL-DRI2" 58 59 #include <system/window.h> 60 61 #include "platform_android_gralloc_drm.h" 62 #include <hardware/gralloc.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 #include "eglsync.h" 76 77 struct wl_buffer; 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_vtbl { 89 int (*authenticate)(_EGLDisplay *disp, uint32_t id); 90 91 _EGLSurface* (*create_window_surface)(_EGLDriver *drv, _EGLDisplay *dpy, 92 _EGLConfig *config, 93 void *native_window, 94 const EGLint *attrib_list); 95 96 _EGLSurface* (*create_pixmap_surface)(_EGLDriver *drv, _EGLDisplay *dpy, 97 _EGLConfig *config, 98 void *native_pixmap, 99 const EGLint *attrib_list); 100 101 _EGLSurface* (*create_pbuffer_surface)(_EGLDriver *drv, _EGLDisplay *dpy, 102 _EGLConfig *config, 103 const EGLint *attrib_list); 104 105 EGLBoolean (*destroy_surface)(_EGLDriver *drv, _EGLDisplay *dpy, 106 _EGLSurface *surface); 107 108 EGLBoolean (*swap_interval)(_EGLDriver *drv, _EGLDisplay *dpy, 109 _EGLSurface *surf, EGLint interval); 110 111 _EGLImage* (*create_image)(_EGLDriver *drv, _EGLDisplay *dpy, 112 _EGLContext *ctx, EGLenum target, 113 EGLClientBuffer buffer, 114 const EGLint *attr_list); 115 116 EGLBoolean (*swap_buffers)(_EGLDriver *drv, _EGLDisplay *dpy, 117 _EGLSurface *surf); 118 119 EGLBoolean (*swap_buffers_with_damage)(_EGLDriver *drv, _EGLDisplay *dpy, 120 _EGLSurface *surface, 121 const EGLint *rects, EGLint n_rects); 122 123 EGLBoolean (*swap_buffers_region)(_EGLDriver *drv, _EGLDisplay *dpy, 124 _EGLSurface *surf, EGLint numRects, 125 const EGLint *rects); 126 127 EGLBoolean (*post_sub_buffer)(_EGLDriver *drv, _EGLDisplay *dpy, 128 _EGLSurface *surf, 129 EGLint x, EGLint y, 130 EGLint width, EGLint height); 131 132 EGLBoolean (*copy_buffers)(_EGLDriver *drv, _EGLDisplay *dpy, 133 _EGLSurface *surf, void *native_pixmap_target); 134 135 EGLint (*query_buffer_age)(_EGLDriver *drv, _EGLDisplay *dpy, 136 _EGLSurface *surf); 137 138 EGLBoolean (*query_surface)(_EGLDriver *drv, _EGLDisplay *dpy, 139 _EGLSurface *surf, EGLint attribute, 140 EGLint *value); 141 142 struct wl_buffer* (*create_wayland_buffer_from_image)( 143 _EGLDriver *drv, _EGLDisplay *dpy, _EGLImage *img); 144 145 EGLBoolean (*get_sync_values)(_EGLDisplay *display, _EGLSurface *surface, 146 EGLuint64KHR *ust, EGLuint64KHR *msc, 147 EGLuint64KHR *sbc); 148 149 __DRIdrawable *(*get_dri_drawable)(_EGLSurface *surf); 150 }; 151 152 struct dri2_egl_display 153 { 154 const struct dri2_egl_display_vtbl *vtbl; 155 156 int dri2_major; 157 int dri2_minor; 158 __DRIscreen *dri_screen; 159 int own_dri_screen; 160 const __DRIconfig **driver_configs; 161 void *driver; 162 const __DRIcoreExtension *core; 163 const __DRIimageDriverExtension *image_driver; 164 const __DRIdri2Extension *dri2; 165 const __DRIswrastExtension *swrast; 166 const __DRI2flushExtension *flush; 167 const __DRItexBufferExtension *tex_buffer; 168 const __DRIimageExtension *image; 169 const __DRIrobustnessExtension *robustness; 170 const __DRI2configQueryExtension *config; 171 const __DRI2fenceExtension *fence; 172 const __DRI2rendererQueryExtension *rendererQuery; 173 const __DRI2interopExtension *interop; 174 int fd; 175 176 /* dri2_initialize/dri2_terminate increment/decrement this count, so does 177 * dri2_make_current (tracks if there are active contexts/surfaces). */ 178 int ref_count; 179 180 int own_device; 181 int invalidate_available; 182 int min_swap_interval; 183 int max_swap_interval; 184 int default_swap_interval; 185 #ifdef HAVE_DRM_PLATFORM 186 struct gbm_dri_device *gbm_dri; 187 #endif 188 189 char *driver_name; 190 191 const __DRIextension **loader_extensions; 192 const __DRIextension **driver_extensions; 193 194 #ifdef HAVE_X11_PLATFORM 195 xcb_connection_t *conn; 196 xcb_screen_t *screen; 197 int swap_available; 198 #ifdef HAVE_DRI3 199 struct loader_dri3_extensions loader_dri3_ext; 200 #endif 201 #endif 202 203 #ifdef HAVE_WAYLAND_PLATFORM 204 struct wl_display *wl_dpy; 205 struct wl_display *wl_dpy_wrapper; 206 struct wl_registry *wl_registry; 207 struct wl_drm *wl_server_drm; 208 struct wl_drm *wl_drm; 209 struct wl_shm *wl_shm; 210 struct wl_event_queue *wl_queue; 211 int authenticated; 212 int formats; 213 uint32_t capabilities; 214 char *device_name; 215 #endif 216 217 #ifdef HAVE_ANDROID_PLATFORM 218 const gralloc_module_t *gralloc; 219 #endif 220 221 int is_render_node; 222 int is_different_gpu; 223 }; 224 225 struct dri2_egl_context 226 { 227 _EGLContext base; 228 __DRIcontext *dri_context; 229 }; 230 231 #ifdef HAVE_WAYLAND_PLATFORM 232 enum wayland_buffer_type { 233 WL_BUFFER_FRONT, 234 WL_BUFFER_BACK, 235 WL_BUFFER_THIRD, 236 WL_BUFFER_COUNT 237 }; 238 #endif 239 240 struct dri2_egl_surface 241 { 242 _EGLSurface base; 243 __DRIdrawable *dri_drawable; 244 __DRIbuffer buffers[5]; 245 int buffer_count; 246 int have_fake_front; 247 248 #ifdef HAVE_X11_PLATFORM 249 xcb_drawable_t drawable; 250 xcb_xfixes_region_t region; 251 int depth; 252 int bytes_per_pixel; 253 xcb_gcontext_t gc; 254 xcb_gcontext_t swapgc; 255 #endif 256 257 #ifdef HAVE_WAYLAND_PLATFORM 258 struct wl_egl_window *wl_win; 259 int dx; 260 int dy; 261 struct wl_callback *throttle_callback; 262 int format; 263 #endif 264 265 #ifdef HAVE_DRM_PLATFORM 266 struct gbm_dri_surface *gbm_surf; 267 #endif 268 269 #if defined(HAVE_WAYLAND_PLATFORM) || defined(HAVE_DRM_PLATFORM) 270 __DRIbuffer *dri_buffers[__DRI_BUFFER_COUNT]; 271 struct { 272 #ifdef HAVE_WAYLAND_PLATFORM 273 struct wl_buffer *wl_buffer; 274 __DRIimage *dri_image; 275 /* for is_different_gpu case. NULL else */ 276 __DRIimage *linear_copy; 277 /* for swrast */ 278 void *data; 279 int data_size; 280 #endif 281 #ifdef HAVE_DRM_PLATFORM 282 struct gbm_bo *bo; 283 #endif 284 int locked; 285 int age; 286 } color_buffers[4], *back, *current; 287 #endif 288 289 #ifdef HAVE_ANDROID_PLATFORM 290 struct ANativeWindow *window; 291 struct ANativeWindowBuffer *buffer; 292 __DRIimage *dri_image_back; 293 __DRIimage *dri_image_front; 294 295 /* EGL-owned buffers */ 296 __DRIbuffer *local_buffers[__DRI_BUFFER_COUNT]; 297 #endif 298 299 #if defined(HAVE_SURFACELESS_PLATFORM) 300 __DRIimage *front; 301 unsigned int visual; 302 #endif 303 }; 304 305 struct dri2_egl_config 306 { 307 _EGLConfig base; 308 const __DRIconfig *dri_single_config[2]; 309 const __DRIconfig *dri_double_config[2]; 310 }; 311 312 struct dri2_egl_image 313 { 314 _EGLImage base; 315 __DRIimage *dri_image; 316 }; 317 318 struct dri2_egl_sync { 319 _EGLSync base; 320 mtx_t mutex; 321 cnd_t cond; 322 int refcount; 323 void *fence; 324 }; 325 326 /* From xmlpool/options.h, user exposed so should be stable */ 327 #define DRI_CONF_VBLANK_NEVER 0 328 #define DRI_CONF_VBLANK_DEF_INTERVAL_0 1 329 #define DRI_CONF_VBLANK_DEF_INTERVAL_1 2 330 #define DRI_CONF_VBLANK_ALWAYS_SYNC 3 331 332 /* standard typecasts */ 333 _EGL_DRIVER_STANDARD_TYPECASTS(dri2_egl) 334 _EGL_DRIVER_TYPECAST(dri2_egl_image, _EGLImage, obj) 335 _EGL_DRIVER_TYPECAST(dri2_egl_sync, _EGLSync, obj) 336 337 extern const __DRIimageLookupExtension image_lookup_extension; 338 extern const __DRIuseInvalidateExtension use_invalidate; 339 340 EGLBoolean 341 dri2_load_driver(_EGLDisplay *disp); 342 343 /* Helper for platforms not using dri2_create_screen */ 344 void 345 dri2_setup_screen(_EGLDisplay *disp); 346 347 EGLBoolean 348 dri2_load_driver_swrast(_EGLDisplay *disp); 349 350 EGLBoolean 351 dri2_load_driver_dri3(_EGLDisplay *disp); 352 353 EGLBoolean 354 dri2_create_screen(_EGLDisplay *disp); 355 356 __DRIdrawable * 357 dri2_surface_get_dri_drawable(_EGLSurface *surf); 358 359 __DRIimage * 360 dri2_lookup_egl_image(__DRIscreen *screen, void *image, void *data); 361 362 struct dri2_egl_config * 363 dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id, 364 EGLint surface_type, const EGLint *attr_list, 365 const unsigned int *rgba_masks); 366 367 _EGLImage * 368 dri2_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp, 369 _EGLContext *ctx, EGLenum target, 370 EGLClientBuffer buffer, const EGLint *attr_list); 371 372 _EGLImage * 373 dri2_create_image_dma_buf(_EGLDisplay *disp, _EGLContext *ctx, 374 EGLClientBuffer buffer, const EGLint *attr_list); 375 376 EGLBoolean 377 dri2_initialize_x11(_EGLDriver *drv, _EGLDisplay *disp); 378 379 EGLBoolean 380 dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp); 381 382 EGLBoolean 383 dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp); 384 385 EGLBoolean 386 dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *disp); 387 388 EGLBoolean 389 dri2_initialize_surfaceless(_EGLDriver *drv, _EGLDisplay *disp); 390 391 void 392 dri2_flush_drawable_for_swapbuffers(_EGLDisplay *disp, _EGLSurface *draw); 393 394 const __DRIconfig * 395 dri2_get_dri_config(struct dri2_egl_config *conf, EGLint surface_type, 396 EGLenum colorspace); 397 398 static inline void 399 dri2_set_WL_bind_wayland_display(_EGLDriver *drv, _EGLDisplay *disp) 400 { 401 #ifdef HAVE_WAYLAND_PLATFORM 402 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); 403 404 (void) drv; 405 406 if (dri2_dpy->device_name && dri2_dpy->image) { 407 if (dri2_dpy->image->base.version >= 10 && 408 dri2_dpy->image->getCapabilities != NULL) { 409 int capabilities; 410 411 capabilities = 412 dri2_dpy->image->getCapabilities(dri2_dpy->dri_screen); 413 disp->Extensions.WL_bind_wayland_display = 414 (capabilities & __DRI_IMAGE_CAP_GLOBAL_NAMES) != 0; 415 } else { 416 disp->Extensions.WL_bind_wayland_display = EGL_TRUE; 417 } 418 } 419 #endif 420 } 421 422 #endif /* EGL_DRI2_INCLUDED */ 423