egl/wayland: Implement swrast support

Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>.

Signed-off-by: Axel Davy <axel.davy@ens.fr>
This commit is contained in:
Axel Davy 2015-05-01 11:11:20 +02:00
parent cd25e52f6b
commit cdcfe48fb0
3 changed files with 696 additions and 17 deletions

View file

@ -729,7 +729,10 @@ dri2_terminate(_EGLDriver *drv, _EGLDisplay *disp)
#endif
#ifdef HAVE_WAYLAND_PLATFORM
case _EGL_PLATFORM_WAYLAND:
wl_drm_destroy(dri2_dpy->wl_drm);
if (dri2_dpy->wl_drm)
wl_drm_destroy(dri2_dpy->wl_drm);
if (dri2_dpy->wl_shm)
wl_shm_destroy(dri2_dpy->wl_shm);
wl_registry_destroy(dri2_dpy->wl_registry);
wl_event_queue_destroy(dri2_dpy->wl_queue);
if (dri2_dpy->own_device) {

View file

@ -196,6 +196,7 @@ struct dri2_egl_display
struct wl_registry *wl_registry;
struct wl_drm *wl_server_drm;
struct wl_drm *wl_drm;
struct wl_shm *wl_shm;
struct wl_event_queue *wl_queue;
int authenticated;
int formats;
@ -257,6 +258,9 @@ struct dri2_egl_surface
__DRIimage *dri_image;
/* for is_different_gpu case. NULL else */
__DRIimage *linear_copy;
/* for swrast */
void *data;
int data_size;
#endif
#ifdef HAVE_DRM_PLATFORM
struct gbm_bo *bo;

View file

@ -1,5 +1,6 @@
/*
* Copyright © 2011-2012 Intel Corporation
* Copyright © 2012 Collabora, Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@ -35,6 +36,7 @@
#include <unistd.h>
#include <fcntl.h>
#include <xf86drm.h>
#include <sys/mman.h>
#include "egl_dri2.h"
#include "egl_dri2_fallbacks.h"
@ -233,13 +235,18 @@ dri2_wl_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].dri_image);
if (dri2_surf->color_buffers[i].linear_copy)
dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].linear_copy);
if (dri2_surf->color_buffers[i].data)
munmap(dri2_surf->color_buffers[i].data,
dri2_surf->color_buffers[i].data_size);
}
for (i = 0; i < __DRI_BUFFER_COUNT; i++)
if (dri2_surf->dri_buffers[i] &&
dri2_surf->dri_buffers[i]->attachment != __DRI_BUFFER_BACK_LEFT)
dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
dri2_surf->dri_buffers[i]);
if (dri2_dpy->dri2) {
for (i = 0; i < __DRI_BUFFER_COUNT; i++)
if (dri2_surf->dri_buffers[i] &&
dri2_surf->dri_buffers[i]->attachment != __DRI_BUFFER_BACK_LEFT)
dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
dri2_surf->dri_buffers[i]);
}
if (dri2_surf->throttle_callback)
wl_callback_destroy(dri2_surf->throttle_callback);
@ -267,18 +274,24 @@ dri2_wl_release_buffers(struct dri2_egl_surface *dri2_surf)
dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].dri_image);
if (dri2_surf->color_buffers[i].linear_copy)
dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].linear_copy);
if (dri2_surf->color_buffers[i].data)
munmap(dri2_surf->color_buffers[i].data,
dri2_surf->color_buffers[i].data_size);
dri2_surf->color_buffers[i].wl_buffer = NULL;
dri2_surf->color_buffers[i].dri_image = NULL;
dri2_surf->color_buffers[i].linear_copy = NULL;
dri2_surf->color_buffers[i].data = NULL;
dri2_surf->color_buffers[i].locked = 0;
}
for (i = 0; i < __DRI_BUFFER_COUNT; i++)
if (dri2_surf->dri_buffers[i] &&
dri2_surf->dri_buffers[i]->attachment != __DRI_BUFFER_BACK_LEFT)
dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
dri2_surf->dri_buffers[i]);
if (dri2_dpy->dri2) {
for (i = 0; i < __DRI_BUFFER_COUNT; i++)
if (dri2_surf->dri_buffers[i] &&
dri2_surf->dri_buffers[i]->attachment != __DRI_BUFFER_BACK_LEFT)
dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
dri2_surf->dri_buffers[i]);
}
}
static int
@ -944,7 +957,7 @@ static const struct wl_drm_listener drm_listener = {
};
static void
registry_handle_global(void *data, struct wl_registry *registry, uint32_t name,
registry_handle_global_drm(void *data, struct wl_registry *registry, uint32_t name,
const char *interface, uint32_t version)
{
struct dri2_egl_display *dri2_dpy = data;
@ -964,8 +977,8 @@ registry_handle_global_remove(void *data, struct wl_registry *registry,
{
}
static const struct wl_registry_listener registry_listener = {
registry_handle_global,
static const struct wl_registry_listener registry_listener_drm = {
registry_handle_global_drm,
registry_handle_global_remove
};
@ -1041,8 +1054,8 @@ static struct dri2_egl_display_vtbl dri2_wl_display_vtbl = {
.get_sync_values = dri2_fallback_get_sync_values,
};
EGLBoolean
dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp)
static EGLBoolean
dri2_initialize_wayland_drm(_EGLDriver *drv, _EGLDisplay *disp)
{
struct dri2_egl_display *dri2_dpy;
const __DRIconfig *config;
@ -1078,7 +1091,7 @@ dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp)
wl_proxy_set_queue((struct wl_proxy *) dri2_dpy->wl_registry,
dri2_dpy->wl_queue);
wl_registry_add_listener(dri2_dpy->wl_registry,
&registry_listener, dri2_dpy);
&registry_listener_drm, dri2_dpy);
if (roundtrip(dri2_dpy) < 0 || dri2_dpy->wl_drm == NULL)
goto cleanup_registry;
@ -1223,3 +1236,662 @@ dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp)
return EGL_FALSE;
}
static int
dri2_wl_swrast_get_stride_for_format(int format, int w)
{
if (format == WL_SHM_FORMAT_RGB565)
return 2 * w;
else /* ARGB8888 || XRGB8888 */
return 4 * w;
}
/*
* Taken from weston shared/os-compatibility.c
*/
static int
set_cloexec_or_close(int fd)
{
long flags;
if (fd == -1)
return -1;
flags = fcntl(fd, F_GETFD);
if (flags == -1)
goto err;
if (fcntl(fd, F_SETFD, flags | FD_CLOEXEC) == -1)
goto err;
return fd;
err:
close(fd);
return -1;
}
/*
* Taken from weston shared/os-compatibility.c
*/
static int
create_tmpfile_cloexec(char *tmpname)
{
int fd;
#ifdef HAVE_MKOSTEMP
fd = mkostemp(tmpname, O_CLOEXEC);
if (fd >= 0)
unlink(tmpname);
#else
fd = mkstemp(tmpname);
if (fd >= 0) {
fd = set_cloexec_or_close(fd);
unlink(tmpname);
}
#endif
return fd;
}
/*
* Taken from weston shared/os-compatibility.c
*
* Create a new, unique, anonymous file of the given size, and
* return the file descriptor for it. The file descriptor is set
* CLOEXEC. The file is immediately suitable for mmap()'ing
* the given size at offset zero.
*
* The file should not have a permanent backing store like a disk,
* but may have if XDG_RUNTIME_DIR is not properly implemented in OS.
*
* The file name is deleted from the file system.
*
* The file is suitable for buffer sharing between processes by
* transmitting the file descriptor over Unix sockets using the
* SCM_RIGHTS methods.
*
* If the C library implements posix_fallocate(), it is used to
* guarantee that disk space is available for the file at the
* given size. If disk space is insufficent, errno is set to ENOSPC.
* If posix_fallocate() is not supported, program may receive
* SIGBUS on accessing mmap()'ed file contents instead.
*/
static int
os_create_anonymous_file(off_t size)
{
static const char template[] = "/mesa-shared-XXXXXX";
const char *path;
char *name;
int fd;
int ret;
path = getenv("XDG_RUNTIME_DIR");
if (!path) {
errno = ENOENT;
return -1;
}
name = malloc(strlen(path) + sizeof(template));
if (!name)
return -1;
strcpy(name, path);
strcat(name, template);
fd = create_tmpfile_cloexec(name);
free(name);
if (fd < 0)
return -1;
ret = ftruncate(fd, size);
if (ret < 0) {
close(fd);
return -1;
}
return fd;
}
static EGLBoolean
dri2_wl_swrast_allocate_buffer(struct dri2_egl_display *dri2_dpy,
int format, int w, int h,
void **data, int *size,
struct wl_buffer **buffer)
{
struct wl_shm_pool *pool;
int fd, stride, size_map;
void *data_map;
stride = dri2_wl_swrast_get_stride_for_format(format, w);
size_map = h * stride;
/* Create a sharable buffer */
fd = os_create_anonymous_file(size_map);
if (fd < 0)
return EGL_FALSE;
data_map = mmap(NULL, size_map, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
if (data_map == MAP_FAILED) {
close(fd);
return EGL_FALSE;
}
/* Share it in a wl_buffer */
pool = wl_shm_create_pool(dri2_dpy->wl_shm, fd, size_map);
*buffer = wl_shm_pool_create_buffer(pool, 0, w, h, stride, format);
wl_shm_pool_destroy(pool);
close(fd);
*data = data_map;
*size = size_map;
return EGL_TRUE;
}
static int
swrast_update_buffers(struct dri2_egl_surface *dri2_surf)
{
struct dri2_egl_display *dri2_dpy =
dri2_egl_display(dri2_surf->base.Resource.Display);
int i;
/* we need to do the following operations only once per frame */
if (dri2_surf->back)
return 0;
if (dri2_surf->base.Width != dri2_surf->wl_win->width ||
dri2_surf->base.Height != dri2_surf->wl_win->height) {
dri2_wl_release_buffers(dri2_surf);
dri2_surf->base.Width = dri2_surf->wl_win->width;
dri2_surf->base.Height = dri2_surf->wl_win->height;
dri2_surf->dx = dri2_surf->wl_win->dx;
dri2_surf->dy = dri2_surf->wl_win->dy;
dri2_surf->current = NULL;
}
/* find back buffer */
/* We always want to throttle to some event (either a frame callback or
* a sync request) after the commit so that we can be sure the
* compositor has had a chance to handle it and send us a release event
* before we look for a free buffer */
while (dri2_surf->throttle_callback != NULL)
if (wl_display_dispatch_queue(dri2_dpy->wl_dpy,
dri2_dpy->wl_queue) == -1)
return -1;
/* try get free buffer already created */
for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
if (!dri2_surf->color_buffers[i].locked &&
dri2_surf->color_buffers[i].wl_buffer) {
dri2_surf->back = &dri2_surf->color_buffers[i];
break;
}
}
/* else choose any another free location */
if (!dri2_surf->back) {
for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
if (!dri2_surf->color_buffers[i].locked) {
dri2_surf->back = &dri2_surf->color_buffers[i];
if (!dri2_wl_swrast_allocate_buffer(dri2_dpy,
dri2_surf->format,
dri2_surf->base.Width,
dri2_surf->base.Height,
&dri2_surf->back->data,
&dri2_surf->back->data_size,
&dri2_surf->back->wl_buffer)) {
_eglError(EGL_BAD_ALLOC, "failed to allocate color buffer");
return -1;
}
wl_proxy_set_queue((struct wl_proxy *) dri2_surf->back->wl_buffer,
dri2_dpy->wl_queue);
wl_buffer_add_listener(dri2_surf->back->wl_buffer,
&wl_buffer_listener, dri2_surf);
break;
}
}
}
if (!dri2_surf->back) {
_eglError(EGL_BAD_ALLOC, "failed to find free buffer");
return -1;
}
dri2_surf->back->locked = 1;
/* If we have an extra unlocked buffer at this point, we had to do triple
* buffering for a while, but now can go back to just double buffering.
* That means we can free any unlocked buffer now. */
for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
if (!dri2_surf->color_buffers[i].locked &&
dri2_surf->color_buffers[i].wl_buffer) {
wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer);
munmap(dri2_surf->color_buffers[i].data,
dri2_surf->color_buffers[i].data_size);
dri2_surf->color_buffers[i].wl_buffer = NULL;
dri2_surf->color_buffers[i].data = NULL;
}
}
return 0;
}
static void*
dri2_wl_swrast_get_frontbuffer_data(struct dri2_egl_surface *dri2_surf)
{
/* if there has been a resize: */
if (!dri2_surf->current)
return NULL;
return dri2_surf->current->data;
}
static void*
dri2_wl_swrast_get_backbuffer_data(struct dri2_egl_surface *dri2_surf)
{
assert(dri2_surf->back);
return dri2_surf->back->data;
}
static void
dri2_wl_swrast_commit_backbuffer(struct dri2_egl_surface *dri2_surf)
{
struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display);
if (dri2_surf->base.SwapInterval > 0) {
dri2_surf->throttle_callback =
wl_surface_frame(dri2_surf->wl_win->surface);
wl_callback_add_listener(dri2_surf->throttle_callback,
&throttle_listener, dri2_surf);
wl_proxy_set_queue((struct wl_proxy *) dri2_surf->throttle_callback,
dri2_dpy->wl_queue);
}
dri2_surf->current = dri2_surf->back;
dri2_surf->back = NULL;
wl_surface_attach(dri2_surf->wl_win->surface,
dri2_surf->current->wl_buffer,
dri2_surf->dx, dri2_surf->dy);
dri2_surf->wl_win->attached_width = dri2_surf->base.Width;
dri2_surf->wl_win->attached_height = dri2_surf->base.Height;
/* reset resize growing parameters */
dri2_surf->dx = 0;
dri2_surf->dy = 0;
wl_surface_damage(dri2_surf->wl_win->surface,
0, 0, INT32_MAX, INT32_MAX);
wl_surface_commit(dri2_surf->wl_win->surface);
/* If we're not waiting for a frame callback then we'll at least throttle
* to a sync callback so that we always give a chance for the compositor to
* handle the commit and send a release event before checking for a free
* buffer */
if (dri2_surf->throttle_callback == NULL) {
dri2_surf->throttle_callback = wl_display_sync(dri2_dpy->wl_dpy);
wl_callback_add_listener(dri2_surf->throttle_callback,
&throttle_listener, dri2_surf);
wl_proxy_set_queue((struct wl_proxy *) dri2_surf->throttle_callback,
dri2_dpy->wl_queue);
}
wl_display_flush(dri2_dpy->wl_dpy);
}
static void
dri2_wl_swrast_get_drawable_info(__DRIdrawable * draw,
int *x, int *y, int *w, int *h,
void *loaderPrivate)
{
struct dri2_egl_surface *dri2_surf = loaderPrivate;
(void) swrast_update_buffers(dri2_surf);
*x = 0;
*y = 0;
*w = dri2_surf->base.Width;
*h = dri2_surf->base.Height;
}
static void
dri2_wl_swrast_get_image(__DRIdrawable * read,
int x, int y, int w, int h,
char *data, void *loaderPrivate)
{
struct dri2_egl_surface *dri2_surf = loaderPrivate;
int copy_width = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, w);
int x_offset = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, x);
int src_stride = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, dri2_surf->base.Width);
int dst_stride = copy_width;
char *src, *dst;
src = dri2_wl_swrast_get_frontbuffer_data(dri2_surf);
if (!src) {
memset(data, 0, copy_width * h);
return;
}
assert(data != src);
assert(copy_width <= src_stride);
src += x_offset;
src += y * src_stride;
dst = data;
if (copy_width > src_stride-x_offset)
copy_width = src_stride-x_offset;
if (h > dri2_surf->base.Height-y)
h = dri2_surf->base.Height-y;
for (; h>0; h--) {
memcpy(dst, src, copy_width);
src += src_stride;
dst += dst_stride;
}
}
static void
dri2_wl_swrast_put_image2(__DRIdrawable * draw, int op,
int x, int y, int w, int h, int stride,
char *data, void *loaderPrivate)
{
struct dri2_egl_surface *dri2_surf = loaderPrivate;
int copy_width = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, w);
int dst_stride = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, dri2_surf->base.Width);
int x_offset = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, x);
char *src, *dst;
assert(copy_width <= stride);
(void) swrast_update_buffers(dri2_surf);
dst = dri2_wl_swrast_get_backbuffer_data(dri2_surf);
/* partial copy, copy old content */
if (copy_width < dst_stride)
dri2_wl_swrast_get_image(draw, 0, 0,
dri2_surf->base.Width, dri2_surf->base.Height,
dst, loaderPrivate);
dst += x_offset;
dst += y * dst_stride;
src = data;
/* drivers expect we do these checks (and some rely on it) */
if (copy_width > dst_stride-x_offset)
copy_width = dst_stride-x_offset;
if (h > dri2_surf->base.Height-y)
h = dri2_surf->base.Height-y;
for (; h>0; h--) {
memcpy(dst, src, copy_width);
src += stride;
dst += dst_stride;
}
dri2_wl_swrast_commit_backbuffer(dri2_surf);
}
static void
dri2_wl_swrast_put_image(__DRIdrawable * draw, int op,
int x, int y, int w, int h,
char *data, void *loaderPrivate)
{
struct dri2_egl_surface *dri2_surf = loaderPrivate;
int stride;
stride = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, w);
dri2_wl_swrast_put_image2(draw, op, x, y, w, h,
stride, data, loaderPrivate);
}
/**
* Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
*/
static _EGLSurface *
dri2_wl_swrast_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp,
_EGLConfig *conf, void *native_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 wl_egl_window *window = native_window;
struct dri2_egl_surface *dri2_surf;
(void) drv;
dri2_surf = calloc(1, sizeof *dri2_surf);
if (!dri2_surf) {
_eglError(EGL_BAD_ALLOC, "dri2_create_surface");
return NULL;
}
if (!_eglInitSurface(&dri2_surf->base, disp, EGL_WINDOW_BIT, conf, attrib_list))
goto cleanup_surf;
if (conf->RedSize == 5)
dri2_surf->format = WL_SHM_FORMAT_RGB565;
else if (conf->AlphaSize == 0)
dri2_surf->format = WL_SHM_FORMAT_XRGB8888;
else
dri2_surf->format = WL_SHM_FORMAT_ARGB8888;
dri2_surf->wl_win = window;
dri2_surf->base.Width = -1;
dri2_surf->base.Height = -1;
dri2_surf->dri_drawable =
(*dri2_dpy->swrast->createNewDrawable) (dri2_dpy->dri_screen,
dri2_conf->dri_double_config,
dri2_surf);
if (dri2_surf->dri_drawable == NULL) {
_eglError(EGL_BAD_ALLOC, "swrast->createNewDrawable");
goto cleanup_dri_drawable;
}
dri2_wl_swap_interval(drv, disp, &dri2_surf->base,
dri2_dpy->default_swap_interval);
return &dri2_surf->base;
cleanup_dri_drawable:
dri2_dpy->core->destroyDrawable(dri2_surf->dri_drawable);
cleanup_surf:
free(dri2_surf);
return NULL;
}
static EGLBoolean
dri2_wl_swrast_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
{
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
dri2_dpy->core->swapBuffers(dri2_surf->dri_drawable);
return EGL_TRUE;
}
static void
shm_handle_format(void *data, struct wl_shm *shm, uint32_t format)
{
struct dri2_egl_display *dri2_dpy = data;
switch (format) {
case WL_SHM_FORMAT_ARGB8888:
dri2_dpy->formats |= HAS_ARGB8888;
break;
case WL_SHM_FORMAT_XRGB8888:
dri2_dpy->formats |= HAS_XRGB8888;
break;
case WL_SHM_FORMAT_RGB565:
dri2_dpy->formats |= HAS_RGB565;
break;
}
}
static const struct wl_shm_listener shm_listener = {
shm_handle_format
};
static void
registry_handle_global_swrast(void *data, struct wl_registry *registry, uint32_t name,
const char *interface, uint32_t version)
{
struct dri2_egl_display *dri2_dpy = data;
if (strcmp(interface, "wl_shm") == 0) {
dri2_dpy->wl_shm =
wl_registry_bind(registry, name, &wl_shm_interface, 1);
wl_shm_add_listener(dri2_dpy->wl_shm, &shm_listener, dri2_dpy);
}
}
static const struct wl_registry_listener registry_listener_swrast = {
registry_handle_global_swrast,
registry_handle_global_remove
};
static struct dri2_egl_display_vtbl dri2_wl_swrast_display_vtbl = {
.authenticate = NULL,
.create_window_surface = dri2_wl_swrast_create_window_surface,
.create_pixmap_surface = dri2_wl_create_pixmap_surface,
.create_pbuffer_surface = dri2_fallback_create_pbuffer_surface,
.destroy_surface = dri2_wl_destroy_surface,
.create_image = dri2_fallback_create_image_khr,
.swap_interval = dri2_wl_swap_interval,
.swap_buffers = dri2_wl_swrast_swap_buffers,
.swap_buffers_with_damage = dri2_fallback_swap_buffers_with_damage,
.swap_buffers_region = dri2_fallback_swap_buffers_region,
.post_sub_buffer = dri2_fallback_post_sub_buffer,
.copy_buffers = dri2_fallback_copy_buffers,
.query_buffer_age = dri2_fallback_query_buffer_age,
.create_wayland_buffer_from_image = dri2_fallback_create_wayland_buffer_from_image,
.get_sync_values = dri2_fallback_get_sync_values,
};
static EGLBoolean
dri2_initialize_wayland_swrast(_EGLDriver *drv, _EGLDisplay *disp)
{
struct dri2_egl_display *dri2_dpy;
const __DRIconfig *config;
uint32_t types;
int i;
static const unsigned int argb_masks[4] =
{ 0xff0000, 0xff00, 0xff, 0xff000000 };
static const unsigned int rgb_masks[4] = { 0xff0000, 0xff00, 0xff, 0 };
static const unsigned int rgb565_masks[4] = { 0xf800, 0x07e0, 0x001f, 0 };
loader_set_logger(_eglLog);
dri2_dpy = calloc(1, sizeof *dri2_dpy);
if (!dri2_dpy)
return _eglError(EGL_BAD_ALLOC, "eglInitialize");
disp->DriverData = (void *) dri2_dpy;
if (disp->PlatformDisplay == NULL) {
dri2_dpy->wl_dpy = wl_display_connect(NULL);
if (dri2_dpy->wl_dpy == NULL)
goto cleanup_dpy;
dri2_dpy->own_device = 1;
} else {
dri2_dpy->wl_dpy = disp->PlatformDisplay;
}
dri2_dpy->wl_queue = wl_display_create_queue(dri2_dpy->wl_dpy);
if (dri2_dpy->own_device)
wl_display_dispatch_pending(dri2_dpy->wl_dpy);
dri2_dpy->wl_registry = wl_display_get_registry(dri2_dpy->wl_dpy);
wl_proxy_set_queue((struct wl_proxy *) dri2_dpy->wl_registry,
dri2_dpy->wl_queue);
wl_registry_add_listener(dri2_dpy->wl_registry,
&registry_listener_swrast, dri2_dpy);
if (roundtrip(dri2_dpy) < 0 || dri2_dpy->wl_shm == NULL)
goto cleanup_registry;
if (roundtrip(dri2_dpy) < 0 || dri2_dpy->formats == 0)
goto cleanup_shm;
dri2_dpy->driver_name = strdup("swrast");
if (!dri2_load_driver_swrast(disp))
goto cleanup_shm;
dri2_dpy->swrast_loader_extension.base.name = __DRI_SWRAST_LOADER;
dri2_dpy->swrast_loader_extension.base.version = 2;
dri2_dpy->swrast_loader_extension.getDrawableInfo = dri2_wl_swrast_get_drawable_info;
dri2_dpy->swrast_loader_extension.putImage = dri2_wl_swrast_put_image;
dri2_dpy->swrast_loader_extension.getImage = dri2_wl_swrast_get_image;
dri2_dpy->swrast_loader_extension.putImage2 = dri2_wl_swrast_put_image2;
dri2_dpy->extensions[0] = &dri2_dpy->swrast_loader_extension.base;
dri2_dpy->extensions[1] = NULL;
if (!dri2_create_screen(disp))
goto cleanup_driver;
dri2_wl_setup_swap_interval(dri2_dpy);
types = EGL_WINDOW_BIT;
for (i = 0; dri2_dpy->driver_configs[i]; i++) {
config = dri2_dpy->driver_configs[i];
if (dri2_dpy->formats & HAS_XRGB8888)
dri2_add_config(disp, config, i + 1, types, NULL, rgb_masks);
if (dri2_dpy->formats & HAS_ARGB8888)
dri2_add_config(disp, config, i + 1, types, NULL, argb_masks);
if (dri2_dpy->formats & HAS_RGB565)
dri2_add_config(disp, config, i + 1, types, NULL, rgb565_masks);
}
/* we're supporting EGL 1.4 */
disp->VersionMajor = 1;
disp->VersionMinor = 4;
/* Fill vtbl last to prevent accidentally calling virtual function during
* initialization.
*/
dri2_dpy->vtbl = &dri2_wl_swrast_display_vtbl;
return EGL_TRUE;
cleanup_driver:
dlclose(dri2_dpy->driver);
cleanup_shm:
wl_shm_destroy(dri2_dpy->wl_shm);
cleanup_registry:
wl_registry_destroy(dri2_dpy->wl_registry);
wl_event_queue_destroy(dri2_dpy->wl_queue);
cleanup_dpy:
free(dri2_dpy);
return EGL_FALSE;
}
EGLBoolean
dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp)
{
EGLBoolean initialized = EGL_TRUE;
int hw_accel = (getenv("LIBGL_ALWAYS_SOFTWARE") == NULL);
if (hw_accel) {
if (!dri2_initialize_wayland_drm(drv, disp)) {
initialized = dri2_initialize_wayland_swrast(drv, disp);
}
} else {
initialized = dri2_initialize_wayland_swrast(drv, disp);
}
return initialized;
}