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mesa/src/egl/drivers/dri2/platform_android.c

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/*
* Mesa 3-D graphics library
*
* Copyright (C) 2010-2011 Chia-I Wu <olvaffe@gmail.com>
* 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 <errno.h>
#include <dlfcn.h>
#if ANDROID_VERSION >= 0x402
#include <sync/sync.h>
#endif
#include "loader.h"
#include "egl_dri2.h"
#include "egl_dri2_fallbacks.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 <linux/sync.h>:
*
* 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, _EGLContext *ctx,
struct ANativeWindowBuffer *buf)
{
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
struct dri2_egl_image *dri2_img;
int name;
EGLint format;
if (ctx != NULL) {
/* From the EGL_ANDROID_image_native_buffer spec:
*
* * If <target> is EGL_NATIVE_BUFFER_ANDROID and <ctx> is not
* EGL_NO_CONTEXT, the error EGL_BAD_CONTEXT is generated.
*/
_eglError(EGL_BAD_CONTEXT, "eglCreateEGLImageKHR: for "
"EGL_NATIVE_BUFFER_ANDROID, the context must be "
"EGL_NO_CONTEXT");
return NULL;
}
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, ctx,
(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;
unsigned int rgba_masks[4];
} visuals[] = {
{ HAL_PIXEL_FORMAT_RGBA_8888, { 0xff, 0xff00, 0xff0000, 0xff000000 } },
{ HAL_PIXEL_FORMAT_RGBX_8888, { 0xff, 0xff00, 0xff0000, 0x0 } },
{ HAL_PIXEL_FORMAT_RGB_888, { 0xff, 0xff00, 0xff0000, 0x0 } },
{ HAL_PIXEL_FORMAT_RGB_565, { 0xf800, 0x7e0, 0x1f, 0x0 } },
{ HAL_PIXEL_FORMAT_BGRA_8888, { 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, 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 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;
}
}
static struct dri2_egl_display_vtbl droid_display_vtbl = {
.authenticate = NULL,
.swap_interval = dri2_fallback_swap_interval,
};
EGLBoolean
dri2_initialize_android(_EGLDriver *drv, _EGLDisplay *dpy)
{
struct dri2_egl_display *dri2_dpy;
const char *err;
_eglSetLogProc(droid_log);
loader_set_logger(_eglLog);
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 = loader_get_driver_for_fd(dri2_dpy->fd, 0);
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_driver_name;
}
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);
/* Fill vtbl last to prevent accidentally calling virtual function during
* initialization.
*/
dri2_dpy->vtbl = &droid_display_vtbl;
return EGL_TRUE;
cleanup_screen:
dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
cleanup_driver:
dlclose(dri2_dpy->driver);
cleanup_driver_name:
free(dri2_dpy->driver_name);
cleanup_device:
close(dri2_dpy->fd);
cleanup_display:
free(dri2_dpy);
return _eglError(EGL_NOT_INITIALIZED, err);
}
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