/* * Mesa 3-D graphics library * Version: 7.12 * * Copyright (C) 2010-2011 Chia-I Wu * Copyright (C) 2010-2011 LunarG Inc. * * Based on platform_x11, which has * * Copyright © 2011 Intel Corporation * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ #include #include #if ANDROID_VERSION >= 0x402 #include #endif /* for droid_get_pci_id */ #include #include #include #include "egl_dri2.h" #include "gralloc_drm.h" static int get_format_bpp(int native) { int bpp; switch (native) { case HAL_PIXEL_FORMAT_RGBA_8888: case HAL_PIXEL_FORMAT_RGBX_8888: case HAL_PIXEL_FORMAT_BGRA_8888: bpp = 4; break; case HAL_PIXEL_FORMAT_RGB_888: bpp = 3; break; case HAL_PIXEL_FORMAT_RGB_565: case HAL_PIXEL_FORMAT_RGBA_5551: case HAL_PIXEL_FORMAT_RGBA_4444: bpp = 2; break; default: bpp = 0; break; } return bpp; } static int get_native_buffer_name(struct ANativeWindowBuffer *buf) { return gralloc_drm_get_gem_handle(buf->handle); } static EGLBoolean droid_window_dequeue_buffer(struct dri2_egl_surface *dri2_surf) { #if ANDROID_VERSION >= 0x0402 int fence_fd; if (dri2_surf->window->dequeueBuffer(dri2_surf->window, &dri2_surf->buffer, &fence_fd)) return EGL_FALSE; /* If access to the buffer is controlled by a sync fence, then block on the * fence. * * It may be more performant to postpone blocking until there is an * immediate need to write to the buffer. But doing so would require adding * hooks to the DRI2 loader. * * From the ANativeWindow::dequeueBuffer documentation: * * The libsync fence file descriptor returned in the int pointed to by * the fenceFd argument will refer to the fence that must signal * before the dequeued buffer may be written to. A value of -1 * indicates that the caller may access the buffer immediately without * waiting on a fence. If a valid file descriptor is returned (i.e. * any value except -1) then the caller is responsible for closing the * file descriptor. */ if (fence_fd >= 0) { /* From the SYNC_IOC_WAIT documentation in : * * Waits indefinitely if timeout < 0. */ int timeout = -1; sync_wait(fence_fd, timeout); close(fence_fd); } dri2_surf->buffer->common.incRef(&dri2_surf->buffer->common); #else if (dri2_surf->window->dequeueBuffer(dri2_surf->window, &dri2_surf->buffer)) return EGL_FALSE; dri2_surf->buffer->common.incRef(&dri2_surf->buffer->common); dri2_surf->window->lockBuffer(dri2_surf->window, dri2_surf->buffer); #endif return EGL_TRUE; } static EGLBoolean droid_window_enqueue_buffer(struct dri2_egl_surface *dri2_surf) { #if ANDROID_VERSION >= 0x0402 /* Queue the buffer without a sync fence. This informs the ANativeWindow * that it may access the buffer immediately. * * From ANativeWindow::dequeueBuffer: * * The fenceFd argument specifies a libsync fence file descriptor for * a fence that must signal before the buffer can be accessed. If * the buffer can be accessed immediately then a value of -1 should * be used. The caller must not use the file descriptor after it * is passed to queueBuffer, and the ANativeWindow implementation * is responsible for closing it. */ int fence_fd = -1; dri2_surf->window->queueBuffer(dri2_surf->window, dri2_surf->buffer, fence_fd); #else dri2_surf->window->queueBuffer(dri2_surf->window, dri2_surf->buffer); #endif dri2_surf->buffer->common.decRef(&dri2_surf->buffer->common); dri2_surf->buffer = NULL; return EGL_TRUE; } static void droid_window_cancel_buffer(struct dri2_egl_surface *dri2_surf) { /* no cancel buffer? */ droid_window_enqueue_buffer(dri2_surf); } static __DRIbuffer * droid_alloc_local_buffer(struct dri2_egl_surface *dri2_surf, unsigned int att, unsigned int format) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); if (att >= ARRAY_SIZE(dri2_surf->local_buffers)) return NULL; if (!dri2_surf->local_buffers[att]) { dri2_surf->local_buffers[att] = dri2_dpy->dri2->allocateBuffer(dri2_dpy->dri_screen, att, format, dri2_surf->base.Width, dri2_surf->base.Height); } return dri2_surf->local_buffers[att]; } static void droid_free_local_buffers(struct dri2_egl_surface *dri2_surf) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); int i; for (i = 0; i < ARRAY_SIZE(dri2_surf->local_buffers); i++) { if (dri2_surf->local_buffers[i]) { dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen, dri2_surf->local_buffers[i]); dri2_surf->local_buffers[i] = NULL; } } } static _EGLSurface * droid_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type, _EGLConfig *conf, EGLNativeWindowType window, const EGLint *attrib_list) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_config *dri2_conf = dri2_egl_config(conf); struct dri2_egl_surface *dri2_surf; dri2_surf = calloc(1, sizeof *dri2_surf); if (!dri2_surf) { _eglError(EGL_BAD_ALLOC, "droid_create_surface"); return NULL; } if (!_eglInitSurface(&dri2_surf->base, disp, type, conf, attrib_list)) goto cleanup_surface; if (type == EGL_WINDOW_BIT) { int format; if (!window || window->common.magic != ANDROID_NATIVE_WINDOW_MAGIC) { _eglError(EGL_BAD_NATIVE_WINDOW, "droid_create_surface"); goto cleanup_surface; } if (window->query(window, NATIVE_WINDOW_FORMAT, &format)) { _eglError(EGL_BAD_NATIVE_WINDOW, "droid_create_surface"); goto cleanup_surface; } if (format != dri2_conf->base.NativeVisualID) { _eglLog(_EGL_WARNING, "Native format mismatch: 0x%x != 0x%x", format, dri2_conf->base.NativeVisualID); } window->query(window, NATIVE_WINDOW_WIDTH, &dri2_surf->base.Width); window->query(window, NATIVE_WINDOW_HEIGHT, &dri2_surf->base.Height); } dri2_surf->dri_drawable = (*dri2_dpy->dri2->createNewDrawable)(dri2_dpy->dri_screen, dri2_conf->dri_double_config, dri2_surf); if (dri2_surf->dri_drawable == NULL) { _eglError(EGL_BAD_ALLOC, "dri2->createNewDrawable"); goto cleanup_surface; } if (window) { window->common.incRef(&window->common); dri2_surf->window = window; } return &dri2_surf->base; cleanup_surface: free(dri2_surf); return NULL; } static _EGLSurface * droid_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf, EGLNativeWindowType window, const EGLint *attrib_list) { return droid_create_surface(drv, disp, EGL_WINDOW_BIT, conf, window, attrib_list); } static _EGLSurface * droid_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf, EGLNativePixmapType pixmap, const EGLint *attrib_list) { return NULL; } static _EGLSurface * droid_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf, const EGLint *attrib_list) { return droid_create_surface(drv, disp, EGL_PBUFFER_BIT, conf, NULL, attrib_list); } static EGLBoolean droid_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf); if (!_eglPutSurface(surf)) return EGL_TRUE; droid_free_local_buffers(dri2_surf); if (dri2_surf->base.Type == EGL_WINDOW_BIT) { if (dri2_surf->buffer) droid_window_cancel_buffer(dri2_surf); dri2_surf->window->common.decRef(&dri2_surf->window->common); } (*dri2_dpy->core->destroyDrawable)(dri2_surf->dri_drawable); free(dri2_surf); return EGL_TRUE; } static EGLBoolean droid_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw) { struct dri2_egl_driver *dri2_drv = dri2_egl_driver(drv); struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw); _EGLContext *ctx; if (dri2_surf->base.Type != EGL_WINDOW_BIT) return EGL_TRUE; if (dri2_drv->glFlush) { ctx = _eglGetCurrentContext(); if (ctx && ctx->DrawSurface == &dri2_surf->base) dri2_drv->glFlush(); } (*dri2_dpy->flush->flush)(dri2_surf->dri_drawable); if (dri2_surf->buffer) droid_window_enqueue_buffer(dri2_surf); (*dri2_dpy->flush->invalidate)(dri2_surf->dri_drawable); return EGL_TRUE; } static _EGLImage * dri2_create_image_android_native_buffer(_EGLDisplay *disp, struct ANativeWindowBuffer *buf) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); struct dri2_egl_image *dri2_img; int name; EGLint format; if (!buf || buf->common.magic != ANDROID_NATIVE_BUFFER_MAGIC || buf->common.version != sizeof(*buf)) { _eglError(EGL_BAD_PARAMETER, "eglCreateEGLImageKHR"); return NULL; } name = get_native_buffer_name(buf); if (!name) { _eglError(EGL_BAD_PARAMETER, "eglCreateEGLImageKHR"); return NULL; } /* see the table in droid_add_configs_for_visuals */ switch (buf->format) { case HAL_PIXEL_FORMAT_BGRA_8888: format = __DRI_IMAGE_FORMAT_ARGB8888; break; case HAL_PIXEL_FORMAT_RGB_565: format = __DRI_IMAGE_FORMAT_RGB565; break; case HAL_PIXEL_FORMAT_RGBA_8888: format = __DRI_IMAGE_FORMAT_ABGR8888; break; case HAL_PIXEL_FORMAT_RGBX_8888: format = __DRI_IMAGE_FORMAT_XBGR8888; break; case HAL_PIXEL_FORMAT_RGB_888: case HAL_PIXEL_FORMAT_RGBA_5551: case HAL_PIXEL_FORMAT_RGBA_4444: /* unsupported */ default: _eglLog(_EGL_WARNING, "unsupported native buffer format 0x%x", buf->format); return NULL; break; } dri2_img = calloc(1, sizeof(*dri2_img)); if (!dri2_img) { _eglError(EGL_BAD_ALLOC, "droid_create_image_mesa_drm"); return NULL; } if (!_eglInitImage(&dri2_img->base, disp)) { free(dri2_img); return NULL; } dri2_img->dri_image = dri2_dpy->image->createImageFromName(dri2_dpy->dri_screen, buf->width, buf->height, format, name, buf->stride, dri2_img); if (!dri2_img->dri_image) { free(dri2_img); _eglError(EGL_BAD_ALLOC, "droid_create_image_mesa_drm"); return NULL; } return &dri2_img->base; } static _EGLImage * droid_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attr_list) { switch (target) { case EGL_NATIVE_BUFFER_ANDROID: return dri2_create_image_android_native_buffer(disp, (struct ANativeWindowBuffer *) buffer); default: return dri2_create_image_khr(drv, disp, ctx, target, buffer, attr_list); } } static void droid_init_driver_functions(_EGLDriver *drv) { drv->API.CreateWindowSurface = droid_create_window_surface; drv->API.CreatePixmapSurface = droid_create_pixmap_surface; drv->API.CreatePbufferSurface = droid_create_pbuffer_surface; drv->API.DestroySurface = droid_destroy_surface; drv->API.SwapBuffers = droid_swap_buffers; drv->API.CreateImageKHR = droid_create_image_khr; } static void droid_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate) { } static int droid_get_buffers_parse_attachments(struct dri2_egl_surface *dri2_surf, unsigned int *attachments, int count) { int num_buffers = 0, i; /* fill dri2_surf->buffers */ for (i = 0; i < count * 2; i += 2) { __DRIbuffer *buf, *local; assert(num_buffers < ARRAY_SIZE(dri2_surf->buffers)); buf = &dri2_surf->buffers[num_buffers]; switch (attachments[i]) { case __DRI_BUFFER_BACK_LEFT: if (dri2_surf->base.Type == EGL_WINDOW_BIT) { buf->attachment = attachments[i]; buf->name = get_native_buffer_name(dri2_surf->buffer); buf->cpp = get_format_bpp(dri2_surf->buffer->format); buf->pitch = dri2_surf->buffer->stride * buf->cpp; buf->flags = 0; if (buf->name) num_buffers++; break; } /* fall through for pbuffers */ case __DRI_BUFFER_DEPTH: case __DRI_BUFFER_STENCIL: case __DRI_BUFFER_ACCUM: case __DRI_BUFFER_DEPTH_STENCIL: case __DRI_BUFFER_HIZ: local = droid_alloc_local_buffer(dri2_surf, attachments[i], attachments[i + 1]); if (local) { *buf = *local; num_buffers++; } break; case __DRI_BUFFER_FRONT_LEFT: case __DRI_BUFFER_FRONT_RIGHT: case __DRI_BUFFER_FAKE_FRONT_LEFT: case __DRI_BUFFER_FAKE_FRONT_RIGHT: case __DRI_BUFFER_BACK_RIGHT: default: /* no front or right buffers */ break; } } return num_buffers; } static __DRIbuffer * droid_get_buffers_with_format(__DRIdrawable * driDrawable, int *width, int *height, unsigned int *attachments, int count, int *out_count, void *loaderPrivate) { struct dri2_egl_surface *dri2_surf = loaderPrivate; struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display); int i; if (dri2_surf->base.Type == EGL_WINDOW_BIT) { /* try to dequeue the next back buffer */ if (!dri2_surf->buffer && !droid_window_dequeue_buffer(dri2_surf)) return NULL; /* free outdated buffers and update the surface size */ if (dri2_surf->base.Width != dri2_surf->buffer->width || dri2_surf->base.Height != dri2_surf->buffer->height) { droid_free_local_buffers(dri2_surf); dri2_surf->base.Width = dri2_surf->buffer->width; dri2_surf->base.Height = dri2_surf->buffer->height; } } dri2_surf->buffer_count = droid_get_buffers_parse_attachments(dri2_surf, attachments, count); if (width) *width = dri2_surf->base.Width; if (height) *height = dri2_surf->base.Height; *out_count = dri2_surf->buffer_count;; return dri2_surf->buffers; } static EGLBoolean droid_add_configs_for_visuals(_EGLDriver *drv, _EGLDisplay *dpy) { struct dri2_egl_display *dri2_dpy = dri2_egl_display(dpy); const struct { int format; int size; unsigned int rgba_masks[4]; } visuals[] = { { HAL_PIXEL_FORMAT_RGBA_8888, 32, { 0xff, 0xff00, 0xff0000, 0xff000000 } }, { HAL_PIXEL_FORMAT_RGBX_8888, 32, { 0xff, 0xff00, 0xff0000, 0x0 } }, { HAL_PIXEL_FORMAT_RGB_888, 24, { 0xff, 0xff00, 0xff0000, 0x0 } }, { HAL_PIXEL_FORMAT_RGB_565, 16, { 0xf800, 0x7e0, 0x1f, 0x0 } }, { HAL_PIXEL_FORMAT_BGRA_8888, 32, { 0xff0000, 0xff00, 0xff, 0xff000000 } }, { 0, 0, { 0, 0, 0, 0 } } }; int count, i, j; count = 0; for (i = 0; visuals[i].format; i++) { int format_count = 0; for (j = 0; dri2_dpy->driver_configs[j]; j++) { const EGLint surface_type = EGL_WINDOW_BIT | EGL_PBUFFER_BIT; struct dri2_egl_config *dri2_conf; unsigned int double_buffered = 0; dri2_dpy->core->getConfigAttrib(dri2_dpy->driver_configs[j], __DRI_ATTRIB_DOUBLE_BUFFER, &double_buffered); /* support only double buffered configs */ if (!double_buffered) continue; dri2_conf = dri2_add_config(dpy, dri2_dpy->driver_configs[j], count + 1, visuals[i].size, surface_type, NULL, visuals[i].rgba_masks); if (dri2_conf) { dri2_conf->base.NativeVisualID = visuals[i].format; dri2_conf->base.NativeVisualType = visuals[i].format; count++; format_count++; } } if (!format_count) { _eglLog(_EGL_DEBUG, "No DRI config supports native format 0x%x", visuals[i].format); } } /* post-process configs */ for (i = 0; i < dpy->Configs->Size; i++) { struct dri2_egl_config *dri2_conf = dri2_egl_config(dpy->Configs->Elements[i]); /* there is no front buffer so no OpenGL */ dri2_conf->base.RenderableType &= ~EGL_OPENGL_BIT; dri2_conf->base.Conformant &= ~EGL_OPENGL_BIT; } return (count != 0); } static EGLBoolean droid_get_pci_id(int fd, int *vendor_id, int *chip_id) { drmVersionPtr version; *chip_id = -1; version = drmGetVersion(fd); if (!version) { _eglLog(_EGL_WARNING, "invalid drm fd"); return EGL_FALSE; } if (!version->name) { _eglLog(_EGL_WARNING, "unable to determine the driver name"); drmFreeVersion(version); return EGL_FALSE; } if (strcmp(version->name, "i915") == 0) { struct drm_i915_getparam gp; int ret; *vendor_id = 0x8086; memset(&gp, 0, sizeof(gp)); gp.param = I915_PARAM_CHIPSET_ID; gp.value = chip_id; ret = drmCommandWriteRead(fd, DRM_I915_GETPARAM, &gp, sizeof(gp)); if (ret) { _eglLog(_EGL_WARNING, "failed to get param for i915"); *chip_id = -1; } } else if (strcmp(version->name, "radeon") == 0) { struct drm_radeon_info info; int ret; *vendor_id = 0x1002; memset(&info, 0, sizeof(info)); info.request = RADEON_INFO_DEVICE_ID; info.value = (unsigned long) chip_id; ret = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info)); if (ret) { _eglLog(_EGL_WARNING, "failed to get info for radeon"); *chip_id = -1; } } else if (strcmp(version->name, "nouveau") == 0) { *vendor_id = 0x10de; /* not used */ *chip_id = 0; } else if (strcmp(version->name, "vmwgfx") == 0) { *vendor_id = 0x15ad; /* assume SVGA II */ *chip_id = 0x0405; } drmFreeVersion(version); return (*chip_id >= 0); } #define DRIVER_MAP_DRI2_ONLY #include "pci_ids/pci_id_driver_map.h" static const char * droid_get_driver_name(int fd) { int vendor_id = -1, chip_id = -1; int idx, i; char *name; if (!droid_get_pci_id(fd, &vendor_id, &chip_id)) return NULL; for (idx = 0; driver_map[idx].driver; idx++) { if (vendor_id != driver_map[idx].vendor_id) continue; if (driver_map[idx].num_chips_ids == -1) break; for (i = 0; i < driver_map[idx].num_chips_ids; i++) { if (driver_map[idx].chip_ids[i] == chip_id) break; } if (i < driver_map[idx].num_chips_ids) break; } _eglLog(_EGL_INFO, "pci id for fd %d: %04x:%04x, driver %s", fd, vendor_id, chip_id, driver_map[idx].driver); return driver_map[idx].driver; } static int droid_open_device(void) { const hw_module_t *mod; int fd = -1, err; err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &mod); if (!err) { const gralloc_module_t *gr = (gralloc_module_t *) mod; err = -EINVAL; if (gr->perform) err = gr->perform(gr, GRALLOC_MODULE_PERFORM_GET_DRM_FD, &fd); } if (err || fd < 0) { _eglLog(_EGL_WARNING, "fail to get drm fd"); fd = -1; } return (fd >= 0) ? dup(fd) : -1; } /* support versions < JellyBean */ #ifndef ALOGW #define ALOGW LOGW #endif #ifndef ALOGD #define ALOGD LOGD #endif #ifndef ALOGI #define ALOGI LOGI #endif static void droid_log(EGLint level, const char *msg) { switch (level) { case _EGL_DEBUG: ALOGD("%s", msg); break; case _EGL_INFO: ALOGI("%s", msg); break; case _EGL_WARNING: ALOGW("%s", msg); break; case _EGL_FATAL: LOG_FATAL("%s", msg); break; default: break; } } EGLBoolean dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *dpy) { struct dri2_egl_display *dri2_dpy; const char *err; _eglSetLogProc(droid_log); dri2_dpy = calloc(1, sizeof(*dri2_dpy)); if (!dri2_dpy) return _eglError(EGL_BAD_ALLOC, "eglInitialize"); dpy->DriverData = (void *) dri2_dpy; dri2_dpy->fd = droid_open_device(); if (dri2_dpy->fd < 0) { err = "DRI2: failed to open device"; goto cleanup_display; } dri2_dpy->driver_name = (char *) droid_get_driver_name(dri2_dpy->fd); if (dri2_dpy->driver_name == NULL) { err = "DRI2: failed to get driver name"; goto cleanup_device; } if (!dri2_load_driver(dpy)) { err = "DRI2: failed to load driver"; goto cleanup_device; } dri2_dpy->dri2_loader_extension.base.name = __DRI_DRI2_LOADER; dri2_dpy->dri2_loader_extension.base.version = 3; dri2_dpy->dri2_loader_extension.getBuffers = NULL; dri2_dpy->dri2_loader_extension.flushFrontBuffer = droid_flush_front_buffer; dri2_dpy->dri2_loader_extension.getBuffersWithFormat = droid_get_buffers_with_format; dri2_dpy->extensions[0] = &dri2_dpy->dri2_loader_extension.base; dri2_dpy->extensions[1] = &image_lookup_extension.base; dri2_dpy->extensions[2] = &use_invalidate.base; dri2_dpy->extensions[3] = NULL; if (!dri2_create_screen(dpy)) { err = "DRI2: failed to create screen"; goto cleanup_driver; } if (!droid_add_configs_for_visuals(drv, dpy)) { err = "DRI2: failed to add configs"; goto cleanup_screen; } dpy->Extensions.ANDROID_image_native_buffer = EGL_TRUE; dpy->Extensions.KHR_image_base = EGL_TRUE; /* we're supporting EGL 1.4 */ dpy->VersionMajor = 1; dpy->VersionMinor = 4; droid_init_driver_functions(drv); return EGL_TRUE; cleanup_screen: dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen); cleanup_driver: dlclose(dri2_dpy->driver); cleanup_device: close(dri2_dpy->fd); cleanup_display: free(dri2_dpy); return _eglError(EGL_NOT_INITIALIZED, err); }