1 /* 2 * Copyright (C) 2015-2016 Gerd Hoffmann <kraxel@redhat.com> 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation; either 7 * version 2.1 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Lesser General Public License for more details. 13 * 14 * You should have received a copy of the GNU Lesser General Public 15 * License along with this library; if not, see <http://www.gnu.org/licenses/>. 16 */ 17 #include "qemu/osdep.h" 18 19 #include "qemu/drm.h" 20 #include "qemu/error-report.h" 21 #include "ui/console.h" 22 #include "ui/egl-helpers.h" 23 #include "system/system.h" 24 #include "qapi/error.h" 25 #include "trace.h" 26 #include "standard-headers/drm/drm_fourcc.h" 27 28 EGLDisplay *qemu_egl_display; 29 EGLConfig qemu_egl_config; 30 DisplayGLMode qemu_egl_mode; 31 bool qemu_egl_angle_d3d; 32 33 /* ------------------------------------------------------------------ */ 34 35 const char *qemu_egl_get_error_string(void) 36 { 37 EGLint error = eglGetError(); 38 39 switch (error) { 40 case EGL_SUCCESS: 41 return "EGL_SUCCESS"; 42 case EGL_NOT_INITIALIZED: 43 return "EGL_NOT_INITIALIZED"; 44 case EGL_BAD_ACCESS: 45 return "EGL_BAD_ACCESS"; 46 case EGL_BAD_ALLOC: 47 return "EGL_BAD_ALLOC"; 48 case EGL_BAD_ATTRIBUTE: 49 return "EGL_BAD_ATTRIBUTE"; 50 case EGL_BAD_CONTEXT: 51 return "EGL_BAD_CONTEXT"; 52 case EGL_BAD_CONFIG: 53 return "EGL_BAD_CONFIG"; 54 case EGL_BAD_CURRENT_SURFACE: 55 return "EGL_BAD_CURRENT_SURFACE"; 56 case EGL_BAD_DISPLAY: 57 return "EGL_BAD_DISPLAY"; 58 case EGL_BAD_SURFACE: 59 return "EGL_BAD_SURFACE"; 60 case EGL_BAD_MATCH: 61 return "EGL_BAD_MATCH"; 62 case EGL_BAD_PARAMETER: 63 return "EGL_BAD_PARAMETER"; 64 case EGL_BAD_NATIVE_PIXMAP: 65 return "EGL_BAD_NATIVE_PIXMAP"; 66 case EGL_BAD_NATIVE_WINDOW: 67 return "EGL_BAD_NATIVE_WINDOW"; 68 case EGL_CONTEXT_LOST: 69 return "EGL_CONTEXT_LOST"; 70 default: 71 return "Unknown EGL error"; 72 } 73 } 74 75 static void egl_fb_delete_texture(egl_fb *fb) 76 { 77 if (!fb->delete_texture) { 78 return; 79 } 80 81 glDeleteTextures(1, &fb->texture); 82 fb->delete_texture = false; 83 } 84 85 void egl_fb_destroy(egl_fb *fb) 86 { 87 if (!fb->framebuffer) { 88 return; 89 } 90 91 egl_fb_delete_texture(fb); 92 glDeleteFramebuffers(1, &fb->framebuffer); 93 94 fb->width = 0; 95 fb->height = 0; 96 fb->x = 0; 97 fb->y = 0; 98 fb->texture = 0; 99 fb->framebuffer = 0; 100 } 101 102 void egl_fb_setup_default(egl_fb *fb, int width, int height, int x, int y) 103 { 104 fb->width = width; 105 fb->height = height; 106 fb->x = x; 107 fb->y = y; 108 fb->framebuffer = 0; /* default framebuffer */ 109 } 110 111 void egl_fb_setup_for_tex(egl_fb *fb, int width, int height, 112 GLuint texture, bool delete) 113 { 114 egl_fb_delete_texture(fb); 115 116 fb->width = width; 117 fb->height = height; 118 fb->texture = texture; 119 fb->delete_texture = delete; 120 if (!fb->framebuffer) { 121 glGenFramebuffers(1, &fb->framebuffer); 122 } 123 124 glBindFramebuffer(GL_FRAMEBUFFER_EXT, fb->framebuffer); 125 glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, 126 GL_TEXTURE_2D, fb->texture, 0); 127 } 128 129 void egl_fb_setup_new_tex(egl_fb *fb, int width, int height) 130 { 131 GLuint texture; 132 133 glGenTextures(1, &texture); 134 glBindTexture(GL_TEXTURE_2D, texture); 135 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 136 0, GL_BGRA, GL_UNSIGNED_BYTE, 0); 137 138 egl_fb_setup_for_tex(fb, width, height, texture, true); 139 } 140 141 void egl_fb_blit(egl_fb *dst, egl_fb *src, bool flip) 142 { 143 GLuint x1 = 0; 144 GLuint y1 = 0; 145 GLuint x2, y2; 146 GLuint w = src->width; 147 GLuint h = src->height; 148 149 glBindFramebuffer(GL_READ_FRAMEBUFFER, src->framebuffer); 150 glBindFramebuffer(GL_DRAW_FRAMEBUFFER, dst->framebuffer); 151 glViewport(0, 0, dst->width, dst->height); 152 glClear(GL_COLOR_BUFFER_BIT); 153 154 if (src->dmabuf) { 155 x1 = qemu_dmabuf_get_x(src->dmabuf); 156 y1 = qemu_dmabuf_get_y(src->dmabuf); 157 w = qemu_dmabuf_get_width(src->dmabuf); 158 h = qemu_dmabuf_get_height(src->dmabuf); 159 } 160 161 w = (x1 + w) > src->width ? src->width - x1 : w; 162 h = (y1 + h) > src->height ? src->height - y1 : h; 163 164 y2 = flip ? y1 : h + y1; 165 y1 = flip ? h + y1 : y1; 166 x2 = x1 + w; 167 168 glBlitFramebuffer(x1, y1, x2, y2, 169 dst->x, dst->y, 170 dst->x + dst->width, dst->y + dst->height, 171 GL_COLOR_BUFFER_BIT, GL_LINEAR); 172 } 173 174 void egl_fb_read(DisplaySurface *dst, egl_fb *src) 175 { 176 glBindFramebuffer(GL_READ_FRAMEBUFFER, src->framebuffer); 177 glReadBuffer(GL_COLOR_ATTACHMENT0_EXT); 178 glReadPixels(0, 0, surface_width(dst), surface_height(dst), 179 GL_BGRA, GL_UNSIGNED_BYTE, surface_data(dst)); 180 } 181 182 void egl_fb_read_rect(DisplaySurface *dst, egl_fb *src, int x, int y, int w, int h) 183 { 184 assert(surface_width(dst) == src->width); 185 assert(surface_height(dst) == src->height); 186 assert(surface_format(dst) == PIXMAN_x8r8g8b8); 187 188 glBindFramebuffer(GL_READ_FRAMEBUFFER, src->framebuffer); 189 glReadBuffer(GL_COLOR_ATTACHMENT0_EXT); 190 glPixelStorei(GL_PACK_ROW_LENGTH, surface_stride(dst) / 4); 191 glReadPixels(x, y, w, h, 192 GL_BGRA, GL_UNSIGNED_BYTE, surface_data(dst) + x * 4); 193 glPixelStorei(GL_PACK_ROW_LENGTH, 0); 194 } 195 196 void egl_texture_blit(QemuGLShader *gls, egl_fb *dst, egl_fb *src, bool flip) 197 { 198 glBindFramebuffer(GL_FRAMEBUFFER_EXT, dst->framebuffer); 199 glViewport(0, 0, dst->width, dst->height); 200 glEnable(GL_TEXTURE_2D); 201 glBindTexture(GL_TEXTURE_2D, src->texture); 202 qemu_gl_run_texture_blit(gls, flip); 203 } 204 205 void egl_texture_blend(QemuGLShader *gls, egl_fb *dst, egl_fb *src, bool flip, 206 int x, int y, double scale_x, double scale_y) 207 { 208 glBindFramebuffer(GL_FRAMEBUFFER_EXT, dst->framebuffer); 209 int w = scale_x * src->width; 210 int h = scale_y * src->height; 211 if (flip) { 212 glViewport(x, y, w, h); 213 } else { 214 glViewport(x, dst->height - h - y, w, h); 215 } 216 glEnable(GL_TEXTURE_2D); 217 glBindTexture(GL_TEXTURE_2D, src->texture); 218 glEnable(GL_BLEND); 219 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); 220 qemu_gl_run_texture_blit(gls, flip); 221 glDisable(GL_BLEND); 222 } 223 224 /* ---------------------------------------------------------------------- */ 225 226 EGLContext qemu_egl_rn_ctx; 227 228 #ifdef CONFIG_GBM 229 230 int qemu_egl_rn_fd; 231 struct gbm_device *qemu_egl_rn_gbm_dev; 232 233 int egl_rendernode_init(const char *rendernode, DisplayGLMode mode) 234 { 235 qemu_egl_rn_fd = -1; 236 int rc; 237 238 qemu_egl_rn_fd = qemu_drm_rendernode_open(rendernode); 239 if (qemu_egl_rn_fd == -1) { 240 error_report("egl: no drm render node available"); 241 goto err; 242 } 243 244 qemu_egl_rn_gbm_dev = gbm_create_device(qemu_egl_rn_fd); 245 if (!qemu_egl_rn_gbm_dev) { 246 error_report("egl: gbm_create_device failed"); 247 goto err; 248 } 249 250 rc = qemu_egl_init_dpy_mesa((EGLNativeDisplayType)qemu_egl_rn_gbm_dev, 251 mode); 252 if (rc != 0) { 253 /* qemu_egl_init_dpy_mesa reports error */ 254 goto err; 255 } 256 257 if (!epoxy_has_egl_extension(qemu_egl_display, 258 "EGL_KHR_surfaceless_context")) { 259 error_report("egl: EGL_KHR_surfaceless_context not supported"); 260 goto err; 261 } 262 if (!epoxy_has_egl_extension(qemu_egl_display, 263 "EGL_MESA_image_dma_buf_export")) { 264 error_report("egl: EGL_MESA_image_dma_buf_export not supported"); 265 goto err; 266 } 267 if (!epoxy_has_egl_extension(qemu_egl_display, 268 "EGL_EXT_image_dma_buf_import_modifiers")) { 269 error_report("egl: EGL_EXT_image_dma_buf_import_modifiers not supported"); 270 goto err; 271 } 272 273 qemu_egl_rn_ctx = qemu_egl_init_ctx(); 274 if (!qemu_egl_rn_ctx) { 275 error_report("egl: egl_init_ctx failed"); 276 goto err; 277 } 278 279 return 0; 280 281 err: 282 if (qemu_egl_rn_gbm_dev) { 283 gbm_device_destroy(qemu_egl_rn_gbm_dev); 284 } 285 if (qemu_egl_rn_fd != -1) { 286 close(qemu_egl_rn_fd); 287 } 288 289 return -1; 290 } 291 292 bool egl_dmabuf_export_texture(uint32_t tex_id, int *fd, EGLint *offset, 293 EGLint *stride, EGLint *fourcc, int *num_planes, 294 EGLuint64KHR *modifier) 295 { 296 EGLImageKHR image; 297 EGLuint64KHR modifiers[DMABUF_MAX_PLANES]; 298 299 image = eglCreateImageKHR(qemu_egl_display, eglGetCurrentContext(), 300 EGL_GL_TEXTURE_2D_KHR, 301 (EGLClientBuffer)(unsigned long)tex_id, 302 NULL); 303 if (!image) { 304 return false; 305 } 306 307 eglExportDMABUFImageQueryMESA(qemu_egl_display, image, fourcc, 308 num_planes, modifiers); 309 eglExportDMABUFImageMESA(qemu_egl_display, image, fd, stride, offset); 310 eglDestroyImageKHR(qemu_egl_display, image); 311 312 /* Only first modifier matters. */ 313 if (modifier) { 314 *modifier = modifiers[0]; 315 } 316 317 return true; 318 } 319 320 void egl_dmabuf_import_texture(QemuDmaBuf *dmabuf) 321 { 322 EGLImageKHR image = EGL_NO_IMAGE_KHR; 323 EGLint attrs[64]; 324 int i = 0, j; 325 uint64_t modifier = qemu_dmabuf_get_modifier(dmabuf); 326 uint32_t texture = qemu_dmabuf_get_texture(dmabuf); 327 int nfds, noffsets, nstrides; 328 const int *fds = qemu_dmabuf_get_fds(dmabuf, &nfds); 329 const uint32_t *offsets = qemu_dmabuf_get_offsets(dmabuf, &noffsets); 330 const uint32_t *strides = qemu_dmabuf_get_strides(dmabuf, &nstrides); 331 uint32_t num_planes = qemu_dmabuf_get_num_planes(dmabuf); 332 333 EGLint fd_attrs[] = { 334 EGL_DMA_BUF_PLANE0_FD_EXT, 335 EGL_DMA_BUF_PLANE1_FD_EXT, 336 EGL_DMA_BUF_PLANE2_FD_EXT, 337 EGL_DMA_BUF_PLANE3_FD_EXT, 338 }; 339 EGLint offset_attrs[] = { 340 EGL_DMA_BUF_PLANE0_OFFSET_EXT, 341 EGL_DMA_BUF_PLANE1_OFFSET_EXT, 342 EGL_DMA_BUF_PLANE2_OFFSET_EXT, 343 EGL_DMA_BUF_PLANE3_OFFSET_EXT, 344 }; 345 EGLint stride_attrs[] = { 346 EGL_DMA_BUF_PLANE0_PITCH_EXT, 347 EGL_DMA_BUF_PLANE1_PITCH_EXT, 348 EGL_DMA_BUF_PLANE2_PITCH_EXT, 349 EGL_DMA_BUF_PLANE3_PITCH_EXT, 350 }; 351 EGLint modifier_lo_attrs[] = { 352 EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT, 353 EGL_DMA_BUF_PLANE1_MODIFIER_LO_EXT, 354 EGL_DMA_BUF_PLANE2_MODIFIER_LO_EXT, 355 EGL_DMA_BUF_PLANE3_MODIFIER_LO_EXT, 356 }; 357 EGLint modifier_hi_attrs[] = { 358 EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT, 359 EGL_DMA_BUF_PLANE1_MODIFIER_HI_EXT, 360 EGL_DMA_BUF_PLANE2_MODIFIER_HI_EXT, 361 EGL_DMA_BUF_PLANE3_MODIFIER_HI_EXT, 362 }; 363 364 if (texture != 0) { 365 return; 366 } 367 368 assert(nfds >= num_planes); 369 assert(noffsets >= num_planes); 370 assert(nstrides >= num_planes); 371 372 attrs[i++] = EGL_WIDTH; 373 attrs[i++] = qemu_dmabuf_get_backing_width(dmabuf); 374 attrs[i++] = EGL_HEIGHT; 375 attrs[i++] = qemu_dmabuf_get_backing_height(dmabuf); 376 attrs[i++] = EGL_LINUX_DRM_FOURCC_EXT; 377 attrs[i++] = qemu_dmabuf_get_fourcc(dmabuf); 378 379 for (j = 0; j < num_planes; j++) { 380 attrs[i++] = fd_attrs[j]; 381 /* fd[1-3] may be -1 if using a joint buffer for all planes */ 382 attrs[i++] = fds[j] >= 0 ? fds[j] : fds[0]; 383 attrs[i++] = stride_attrs[j]; 384 attrs[i++] = strides[j]; 385 attrs[i++] = offset_attrs[j]; 386 attrs[i++] = offsets[j]; 387 if (modifier != DRM_FORMAT_MOD_INVALID) { 388 attrs[i++] = modifier_lo_attrs[j]; 389 attrs[i++] = (modifier >> 0) & 0xffffffff; 390 attrs[i++] = modifier_hi_attrs[j]; 391 attrs[i++] = (modifier >> 32) & 0xffffffff; 392 } 393 } 394 395 attrs[i++] = EGL_NONE; 396 397 image = eglCreateImageKHR(qemu_egl_display, 398 EGL_NO_CONTEXT, 399 EGL_LINUX_DMA_BUF_EXT, 400 NULL, attrs); 401 if (image == EGL_NO_IMAGE_KHR) { 402 error_report("eglCreateImageKHR failed"); 403 return; 404 } 405 406 glGenTextures(1, &texture); 407 qemu_dmabuf_set_texture(dmabuf, texture); 408 glBindTexture(GL_TEXTURE_2D, texture); 409 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); 410 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); 411 412 glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, (GLeglImageOES)image); 413 eglDestroyImageKHR(qemu_egl_display, image); 414 } 415 416 void egl_dmabuf_release_texture(QemuDmaBuf *dmabuf) 417 { 418 uint32_t texture; 419 420 texture = qemu_dmabuf_get_texture(dmabuf); 421 if (texture == 0) { 422 return; 423 } 424 425 glDeleteTextures(1, &texture); 426 qemu_dmabuf_set_texture(dmabuf, 0); 427 } 428 429 void egl_dmabuf_create_sync(QemuDmaBuf *dmabuf) 430 { 431 EGLSyncKHR sync; 432 433 if (epoxy_has_egl_extension(qemu_egl_display, 434 "EGL_KHR_fence_sync") && 435 epoxy_has_egl_extension(qemu_egl_display, 436 "EGL_ANDROID_native_fence_sync")) { 437 sync = eglCreateSyncKHR(qemu_egl_display, 438 EGL_SYNC_NATIVE_FENCE_ANDROID, NULL); 439 if (sync != EGL_NO_SYNC_KHR) { 440 qemu_dmabuf_set_sync(dmabuf, sync); 441 } 442 } 443 } 444 445 void egl_dmabuf_create_fence(QemuDmaBuf *dmabuf) 446 { 447 void *sync = qemu_dmabuf_get_sync(dmabuf); 448 int fence_fd; 449 450 if (sync) { 451 fence_fd = eglDupNativeFenceFDANDROID(qemu_egl_display, 452 sync); 453 qemu_dmabuf_set_fence_fd(dmabuf, fence_fd); 454 eglDestroySyncKHR(qemu_egl_display, sync); 455 qemu_dmabuf_set_sync(dmabuf, NULL); 456 } 457 } 458 459 #endif /* CONFIG_GBM */ 460 461 /* ---------------------------------------------------------------------- */ 462 463 EGLSurface qemu_egl_init_surface_x11(EGLContext ectx, EGLNativeWindowType win) 464 { 465 EGLSurface esurface; 466 EGLBoolean b; 467 468 esurface = eglCreateWindowSurface(qemu_egl_display, 469 qemu_egl_config, 470 win, NULL); 471 if (esurface == EGL_NO_SURFACE) { 472 error_report("egl: eglCreateWindowSurface failed"); 473 return NULL; 474 } 475 476 b = eglMakeCurrent(qemu_egl_display, esurface, esurface, ectx); 477 if (b == EGL_FALSE) { 478 error_report("egl: eglMakeCurrent failed"); 479 return NULL; 480 } 481 482 return esurface; 483 } 484 485 /* ---------------------------------------------------------------------- */ 486 487 #if defined(CONFIG_X11) || defined(CONFIG_GBM) || defined(WIN32) 488 489 /* 490 * Taken from glamor_egl.h from the Xorg xserver, which is MIT licensed 491 * 492 * Create an EGLDisplay from a native display type. This is a little quirky 493 * for a few reasons. 494 * 495 * 1: GetPlatformDisplayEXT and GetPlatformDisplay are the API you want to 496 * use, but have different function signatures in the third argument; this 497 * happens not to matter for us, at the moment, but it means epoxy won't alias 498 * them together. 499 * 500 * 2: epoxy 1.3 and earlier don't understand EGL client extensions, which 501 * means you can't call "eglGetPlatformDisplayEXT" directly, as the resolver 502 * will crash. 503 * 504 * 3: You can't tell whether you have EGL 1.5 at this point, because 505 * eglQueryString(EGL_VERSION) is a property of the display, which we don't 506 * have yet. So you have to query for extensions no matter what. Fortunately 507 * epoxy_has_egl_extension _does_ let you query for client extensions, so 508 * we don't have to write our own extension string parsing. 509 * 510 * 4. There is no EGL_KHR_platform_base to complement the EXT one, thus one 511 * needs to know EGL 1.5 is supported in order to use the eglGetPlatformDisplay 512 * function pointer. 513 * We can workaround this (circular dependency) by probing for the EGL 1.5 514 * platform extensions (EGL_KHR_platform_gbm and friends) yet it doesn't seem 515 * like mesa will be able to advertise these (even though it can do EGL 1.5). 516 */ 517 static EGLDisplay qemu_egl_get_display(EGLNativeDisplayType native, 518 EGLenum platform) 519 { 520 EGLDisplay dpy = EGL_NO_DISPLAY; 521 522 /* In practise any EGL 1.5 implementation would support the EXT extension */ 523 if (epoxy_has_egl_extension(NULL, "EGL_EXT_platform_base")) { 524 if (platform != 0) { 525 dpy = eglGetPlatformDisplayEXT(platform, native, NULL); 526 } 527 } 528 529 if (dpy == EGL_NO_DISPLAY) { 530 /* fallback */ 531 dpy = eglGetDisplay(native); 532 } 533 return dpy; 534 } 535 536 static int qemu_egl_init_dpy(EGLNativeDisplayType dpy, 537 EGLenum platform, 538 DisplayGLMode mode) 539 { 540 static const EGLint conf_att_core[] = { 541 EGL_SURFACE_TYPE, EGL_WINDOW_BIT, 542 EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT, 543 EGL_RED_SIZE, 5, 544 EGL_GREEN_SIZE, 5, 545 EGL_BLUE_SIZE, 5, 546 EGL_ALPHA_SIZE, 0, 547 EGL_NONE, 548 }; 549 static const EGLint conf_att_gles[] = { 550 EGL_SURFACE_TYPE, EGL_WINDOW_BIT, 551 EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, 552 EGL_RED_SIZE, 5, 553 EGL_GREEN_SIZE, 5, 554 EGL_BLUE_SIZE, 5, 555 EGL_ALPHA_SIZE, 0, 556 EGL_NONE, 557 }; 558 EGLint major, minor; 559 EGLBoolean b; 560 EGLint n; 561 bool gles = (mode == DISPLAY_GL_MODE_ES); 562 563 qemu_egl_display = qemu_egl_get_display(dpy, platform); 564 if (qemu_egl_display == EGL_NO_DISPLAY) { 565 error_report("egl: eglGetDisplay failed: %s", qemu_egl_get_error_string()); 566 return -1; 567 } 568 569 b = eglInitialize(qemu_egl_display, &major, &minor); 570 if (b == EGL_FALSE) { 571 error_report("egl: eglInitialize failed: %s", qemu_egl_get_error_string()); 572 return -1; 573 } 574 575 b = eglBindAPI(gles ? EGL_OPENGL_ES_API : EGL_OPENGL_API); 576 if (b == EGL_FALSE) { 577 error_report("egl: eglBindAPI failed (%s mode): %s", 578 gles ? "gles" : "core", qemu_egl_get_error_string()); 579 return -1; 580 } 581 582 b = eglChooseConfig(qemu_egl_display, 583 gles ? conf_att_gles : conf_att_core, 584 &qemu_egl_config, 1, &n); 585 if (b == EGL_FALSE || n != 1) { 586 error_report("egl: eglChooseConfig failed (%s mode): %s", 587 gles ? "gles" : "core", qemu_egl_get_error_string()); 588 return -1; 589 } 590 591 qemu_egl_mode = gles ? DISPLAY_GL_MODE_ES : DISPLAY_GL_MODE_CORE; 592 return 0; 593 } 594 595 #endif 596 597 #if defined(CONFIG_X11) || defined(CONFIG_GBM) 598 int qemu_egl_init_dpy_x11(EGLNativeDisplayType dpy, DisplayGLMode mode) 599 { 600 #ifdef EGL_KHR_platform_x11 601 return qemu_egl_init_dpy(dpy, EGL_PLATFORM_X11_KHR, mode); 602 #else 603 return qemu_egl_init_dpy(dpy, 0, mode); 604 #endif 605 } 606 607 int qemu_egl_init_dpy_mesa(EGLNativeDisplayType dpy, DisplayGLMode mode) 608 { 609 #ifdef EGL_MESA_platform_gbm 610 return qemu_egl_init_dpy(dpy, EGL_PLATFORM_GBM_MESA, mode); 611 #else 612 return qemu_egl_init_dpy(dpy, 0, mode); 613 #endif 614 } 615 #endif 616 617 618 #ifdef WIN32 619 int qemu_egl_init_dpy_win32(EGLNativeDisplayType dpy, DisplayGLMode mode) 620 { 621 /* prefer GL ES, as that's what ANGLE supports */ 622 if (mode == DISPLAY_GL_MODE_ON) { 623 mode = DISPLAY_GL_MODE_ES; 624 } 625 626 if (qemu_egl_init_dpy(dpy, 0, mode) < 0) { 627 return -1; 628 } 629 630 #ifdef EGL_D3D11_DEVICE_ANGLE 631 if (epoxy_has_egl_extension(qemu_egl_display, "EGL_EXT_device_query")) { 632 EGLDeviceEXT device; 633 void *d3d11_device; 634 635 if (!eglQueryDisplayAttribEXT(qemu_egl_display, 636 EGL_DEVICE_EXT, 637 (EGLAttrib *)&device)) { 638 return 0; 639 } 640 641 if (!eglQueryDeviceAttribEXT(device, 642 EGL_D3D11_DEVICE_ANGLE, 643 (EGLAttrib *)&d3d11_device)) { 644 return 0; 645 } 646 647 trace_egl_init_d3d11_device(device); 648 qemu_egl_angle_d3d = device != NULL; 649 } 650 #endif 651 652 return 0; 653 } 654 #endif 655 656 bool qemu_egl_has_dmabuf(void) 657 { 658 if (qemu_egl_display == EGL_NO_DISPLAY) { 659 return false; 660 } 661 662 return epoxy_has_egl_extension(qemu_egl_display, 663 "EGL_EXT_image_dma_buf_import"); 664 } 665 666 EGLContext qemu_egl_init_ctx(void) 667 { 668 static const EGLint ctx_att_core[] = { 669 EGL_CONTEXT_OPENGL_PROFILE_MASK, EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT, 670 EGL_NONE 671 }; 672 static const EGLint ctx_att_gles[] = { 673 EGL_CONTEXT_CLIENT_VERSION, 2, 674 EGL_NONE 675 }; 676 bool gles = (qemu_egl_mode == DISPLAY_GL_MODE_ES); 677 EGLContext ectx; 678 EGLBoolean b; 679 680 ectx = eglCreateContext(qemu_egl_display, qemu_egl_config, EGL_NO_CONTEXT, 681 gles ? ctx_att_gles : ctx_att_core); 682 if (ectx == EGL_NO_CONTEXT) { 683 error_report("egl: eglCreateContext failed"); 684 return NULL; 685 } 686 687 b = eglMakeCurrent(qemu_egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, ectx); 688 if (b == EGL_FALSE) { 689 error_report("egl: eglMakeCurrent failed"); 690 return NULL; 691 } 692 693 return ectx; 694 } 695 696 bool egl_init(const char *rendernode, DisplayGLMode mode, Error **errp) 697 { 698 ERRP_GUARD(); 699 700 if (mode == DISPLAY_GL_MODE_OFF) { 701 error_setg(errp, "egl: turning off GL doesn't make sense"); 702 return false; 703 } 704 705 #ifdef WIN32 706 if (qemu_egl_init_dpy_win32(EGL_DEFAULT_DISPLAY, mode) < 0) { 707 error_setg(errp, "egl: init failed"); 708 return false; 709 } 710 qemu_egl_rn_ctx = qemu_egl_init_ctx(); 711 if (!qemu_egl_rn_ctx) { 712 error_setg(errp, "egl: egl_init_ctx failed"); 713 return false; 714 } 715 #elif defined(CONFIG_GBM) 716 if (egl_rendernode_init(rendernode, mode) < 0) { 717 error_setg(errp, "egl: render node init failed"); 718 return false; 719 } 720 #endif 721 722 if (!qemu_egl_rn_ctx) { 723 error_setg(errp, "egl: not available on this platform"); 724 return false; 725 } 726 727 display_opengl = 1; 728 return true; 729 } 730