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