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xserver/hw/xwayland/xwayland-glamor.c

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/*
* Copyright © 2011-2014 Intel Corporation
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of the
* copyright holders not be used in advertising or publicity
* pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied
* warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*/
#include "xwayland.h"
#include <fcntl.h>
#include <sys/stat.h>
#include <xf86drm.h>
#include <drm_fourcc.h>
#define MESA_EGL_NO_X11_HEADERS
#include <gbm.h>
#include <glamor_egl.h>
#include <glamor.h>
#include <glamor_context.h>
#include <dri3.h>
#include "drm-client-protocol.h"
static DevPrivateKeyRec xwl_auth_state_private_key;
struct xwl_pixmap {
struct wl_buffer *buffer;
struct gbm_bo *bo;
void *image;
unsigned int texture;
};
static void
xwl_glamor_egl_make_current(struct glamor_context *glamor_ctx)
{
eglMakeCurrent(glamor_ctx->display, EGL_NO_SURFACE,
EGL_NO_SURFACE, EGL_NO_CONTEXT);
if (!eglMakeCurrent(glamor_ctx->display,
EGL_NO_SURFACE, EGL_NO_SURFACE,
glamor_ctx->ctx))
FatalError("Failed to make EGL context current\n");
}
static uint32_t
wl_drm_format_for_depth(int depth)
{
switch (depth) {
case 15:
return WL_DRM_FORMAT_XRGB1555;
case 16:
return WL_DRM_FORMAT_RGB565;
case 24:
return WL_DRM_FORMAT_XRGB8888;
case 30:
return WL_DRM_FORMAT_ARGB2101010;
default:
ErrorF("unexpected depth: %d\n", depth);
case 32:
return WL_DRM_FORMAT_ARGB8888;
}
}
static uint32_t
gbm_format_for_depth(int depth)
{
switch (depth) {
case 16:
return GBM_FORMAT_RGB565;
case 24:
return GBM_FORMAT_XRGB8888;
case 30:
return GBM_FORMAT_ARGB2101010;
default:
ErrorF("unexpected depth: %d\n", depth);
case 32:
return GBM_FORMAT_ARGB8888;
}
}
void
glamor_egl_screen_init(ScreenPtr screen, struct glamor_context *glamor_ctx)
{
struct xwl_screen *xwl_screen = xwl_screen_get(screen);
glamor_ctx->ctx = xwl_screen->egl_context;
glamor_ctx->display = xwl_screen->egl_display;
glamor_ctx->make_current = xwl_glamor_egl_make_current;
xwl_screen->glamor_ctx = glamor_ctx;
}
static PixmapPtr
xwl_glamor_create_pixmap_for_bo(ScreenPtr screen, struct gbm_bo *bo, int depth)
{
PixmapPtr pixmap;
struct xwl_pixmap *xwl_pixmap;
struct xwl_screen *xwl_screen = xwl_screen_get(screen);
xwl_pixmap = malloc(sizeof *xwl_pixmap);
if (xwl_pixmap == NULL)
return NULL;
pixmap = glamor_create_pixmap(screen,
gbm_bo_get_width(bo),
gbm_bo_get_height(bo),
depth,
GLAMOR_CREATE_PIXMAP_NO_TEXTURE);
if (pixmap == NULL) {
free(xwl_pixmap);
return NULL;
}
if (lastGLContext != xwl_screen->glamor_ctx) {
lastGLContext = xwl_screen->glamor_ctx;
xwl_glamor_egl_make_current(xwl_screen->glamor_ctx);
}
xwl_pixmap->bo = bo;
xwl_pixmap->buffer = NULL;
xwl_pixmap->image = eglCreateImageKHR(xwl_screen->egl_display,
xwl_screen->egl_context,
EGL_NATIVE_PIXMAP_KHR,
xwl_pixmap->bo, NULL);
glGenTextures(1, &xwl_pixmap->texture);
glBindTexture(GL_TEXTURE_2D, xwl_pixmap->texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, xwl_pixmap->image);
glBindTexture(GL_TEXTURE_2D, 0);
xwl_pixmap_set_private(pixmap, xwl_pixmap);
glamor_set_pixmap_texture(pixmap, xwl_pixmap->texture);
glamor_set_pixmap_type(pixmap, GLAMOR_TEXTURE_DRM);
return pixmap;
}
struct wl_buffer *
xwl_glamor_pixmap_get_wl_buffer(PixmapPtr pixmap)
{
struct xwl_screen *xwl_screen = xwl_screen_get(pixmap->drawable.pScreen);
struct xwl_pixmap *xwl_pixmap = xwl_pixmap_get(pixmap);
int prime_fd;
int num_planes;
uint32_t strides[4];
uint32_t offsets[4];
uint64_t modifier;
int i;
if (xwl_pixmap->buffer)
return xwl_pixmap->buffer;
if (!xwl_pixmap->bo)
return NULL;
prime_fd = gbm_bo_get_fd(xwl_pixmap->bo);
if (prime_fd == -1)
return NULL;
#ifdef GBM_BO_WITH_MODIFIERS
num_planes = gbm_bo_get_plane_count(xwl_pixmap->bo);
modifier = gbm_bo_get_modifier(xwl_pixmap->bo);
for (i = 0; i < num_planes; i++) {
strides[i] = gbm_bo_get_stride_for_plane(xwl_pixmap->bo, i);
offsets[i] = gbm_bo_get_offset(xwl_pixmap->bo, i);
}
#else
num_planes = 1;
modifier = DRM_FORMAT_MOD_INVALID;
strides[0] = gbm_go_get_stride(xwl_pixmap->bo);
offsets[0] = 0;
#endif
if (xwl_screen->dmabuf && modifier != DRM_FORMAT_MOD_INVALID) {
struct zwp_linux_buffer_params_v1 *params;
params = zwp_linux_dmabuf_v1_create_params(xwl_screen->dmabuf);
for (i = 0; i < num_planes; i++) {
zwp_linux_buffer_params_v1_add(params, prime_fd, i,
offsets[i], strides[i],
modifier >> 32, modifier & 0xffffffff);
}
xwl_pixmap->buffer =
zwp_linux_buffer_params_v1_create_immed(params,
pixmap->drawable.width,
pixmap->drawable.height,
wl_drm_format_for_depth(pixmap->drawable.depth),
0);
zwp_linux_buffer_params_v1_destroy(params);
} else if (num_planes == 1) {
xwl_pixmap->buffer =
wl_drm_create_prime_buffer(xwl_screen->drm, prime_fd,
pixmap->drawable.width,
pixmap->drawable.height,
wl_drm_format_for_depth(pixmap->drawable.depth),
0, gbm_bo_get_stride(xwl_pixmap->bo),
0, 0,
0, 0);
}
close(prime_fd);
return xwl_pixmap->buffer;
}
static PixmapPtr
xwl_glamor_create_pixmap(ScreenPtr screen,
int width, int height, int depth, unsigned int hint)
{
struct xwl_screen *xwl_screen = xwl_screen_get(screen);
struct gbm_bo *bo;
uint32_t format;
if (width > 0 && height > 0 && depth >= 15 &&
(hint == 0 ||
hint == CREATE_PIXMAP_USAGE_BACKING_PIXMAP ||
hint == CREATE_PIXMAP_USAGE_SHARED)) {
format = gbm_format_for_depth(depth);
#ifdef GBM_BO_WITH_MODIFIERS
if (xwl_screen->dmabuf_capable) {
uint32_t num_modifiers;
uint64_t *modifiers = NULL;
glamor_get_modifiers(screen, format, &num_modifiers, &modifiers);
bo = gbm_bo_create_with_modifiers(xwl_screen->gbm, width, height,
format, modifiers, num_modifiers);
free(modifiers);
}
else
#endif
{
bo = gbm_bo_create(xwl_screen->gbm, width, height, format,
GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING);
}
if (bo)
return xwl_glamor_create_pixmap_for_bo(screen, bo, depth);
}
return glamor_create_pixmap(screen, width, height, depth, hint);
}
static Bool
xwl_glamor_destroy_pixmap(PixmapPtr pixmap)
{
struct xwl_screen *xwl_screen = xwl_screen_get(pixmap->drawable.pScreen);
struct xwl_pixmap *xwl_pixmap = xwl_pixmap_get(pixmap);
if (xwl_pixmap && pixmap->refcnt == 1) {
if (xwl_pixmap->buffer)
wl_buffer_destroy(xwl_pixmap->buffer);
eglDestroyImageKHR(xwl_screen->egl_display, xwl_pixmap->image);
if (xwl_pixmap->bo)
gbm_bo_destroy(xwl_pixmap->bo);
free(xwl_pixmap);
}
return glamor_destroy_pixmap(pixmap);
}
static Bool
xwl_glamor_create_screen_resources(ScreenPtr screen)
{
struct xwl_screen *xwl_screen = xwl_screen_get(screen);
int ret;
screen->CreateScreenResources = xwl_screen->CreateScreenResources;
ret = (*screen->CreateScreenResources) (screen);
xwl_screen->CreateScreenResources = screen->CreateScreenResources;
screen->CreateScreenResources = xwl_glamor_create_screen_resources;
if (!ret)
return ret;
if (xwl_screen->rootless) {
screen->devPrivate =
fbCreatePixmap(screen, 0, 0, screen->rootDepth, 0);
}
else {
screen->devPrivate =
xwl_glamor_create_pixmap(screen, screen->width, screen->height,
screen->rootDepth,
CREATE_PIXMAP_USAGE_BACKING_PIXMAP);
}
SetRootClip(screen, xwl_screen->root_clip_mode);
return screen->devPrivate != NULL;
}
static char
is_fd_render_node(int fd)
{
struct stat render;
if (fstat(fd, &render))
return 0;
if (!S_ISCHR(render.st_mode))
return 0;
if (render.st_rdev & 0x80)
return 1;
return 0;
}
static void
xwl_drm_init_egl(struct xwl_screen *xwl_screen)
{
EGLint major, minor;
static const EGLint config_attribs_core[] = {
EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR,
EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR,
EGL_CONTEXT_MAJOR_VERSION_KHR,
GLAMOR_GL_CORE_VER_MAJOR,
EGL_CONTEXT_MINOR_VERSION_KHR,
GLAMOR_GL_CORE_VER_MINOR,
EGL_NONE
};
if (xwl_screen->egl_display)
return;
xwl_screen->gbm = gbm_create_device(xwl_screen->drm_fd);
if (xwl_screen->gbm == NULL) {
ErrorF("couldn't get display device\n");
return;
}
xwl_screen->egl_display = glamor_egl_get_display(EGL_PLATFORM_GBM_MESA,
xwl_screen->gbm);
if (xwl_screen->egl_display == EGL_NO_DISPLAY) {
ErrorF("glamor_egl_get_display() failed\n");
return;
}
if (!eglInitialize(xwl_screen->egl_display, &major, &minor)) {
ErrorF("eglInitialize() failed\n");
return;
}
eglBindAPI(EGL_OPENGL_API);
xwl_screen->egl_context = eglCreateContext(xwl_screen->egl_display,
NULL, EGL_NO_CONTEXT, config_attribs_core);
if (!xwl_screen->egl_context)
xwl_screen->egl_context = eglCreateContext(xwl_screen->egl_display,
NULL, EGL_NO_CONTEXT, NULL);
if (xwl_screen->egl_context == EGL_NO_CONTEXT) {
ErrorF("Failed to create EGL context\n");
return;
}
if (!eglMakeCurrent(xwl_screen->egl_display,
EGL_NO_SURFACE, EGL_NO_SURFACE,
xwl_screen->egl_context)) {
ErrorF("Failed to make EGL context current\n");
return;
}
if (!epoxy_has_gl_extension("GL_OES_EGL_image")) {
ErrorF("GL_OES_EGL_image not available\n");
return;
}
if (epoxy_has_egl_extension(xwl_screen->egl_display,
"EXT_image_dma_buf_import") &&
epoxy_has_egl_extension(xwl_screen->egl_display,
"EXT_image_dma_buf_import_modifiers"))
xwl_screen->dmabuf_capable = TRUE;
return;
}
static void
xwl_drm_handle_device(void *data, struct wl_drm *drm, const char *device)
{
struct xwl_screen *xwl_screen = data;
drm_magic_t magic;
xwl_screen->device_name = strdup(device);
if (!xwl_screen->device_name)
return;
xwl_screen->drm_fd = open(xwl_screen->device_name, O_RDWR | O_CLOEXEC);
if (xwl_screen->drm_fd == -1) {
ErrorF("wayland-egl: could not open %s (%s)\n",
xwl_screen->device_name, strerror(errno));
return;
}
xwl_screen->expecting_event--;
if (is_fd_render_node(xwl_screen->drm_fd)) {
xwl_screen->fd_render_node = 1;
} else {
drmGetMagic(xwl_screen->drm_fd, &magic);
wl_drm_authenticate(xwl_screen->drm, magic);
xwl_screen->expecting_event++; /* wait for 'authenticated' */
}
}
static void
xwl_drm_handle_format(void *data, struct wl_drm *drm, uint32_t format)
{
}
static void
xwl_drm_handle_authenticated(void *data, struct wl_drm *drm)
{
struct xwl_screen *xwl_screen = data;
xwl_screen->drm_authenticated = 1;
xwl_screen->expecting_event--;
}
static void
xwl_drm_handle_capabilities(void *data, struct wl_drm *drm, uint32_t value)
{
struct xwl_screen *xwl_screen = data;
xwl_screen->capabilities = value;
}
static const struct wl_drm_listener xwl_drm_listener = {
xwl_drm_handle_device,
xwl_drm_handle_format,
xwl_drm_handle_authenticated,
xwl_drm_handle_capabilities
};
static void
xwl_dmabuf_handle_format(void *data, struct zwp_linux_dmabuf_v1 *dmabuf,
uint32_t format)
{
}
static void
xwl_dmabuf_handle_modifier(void *data, struct zwp_linux_dmabuf_v1 *dmabuf,
uint32_t format, uint32_t modifier_hi,
uint32_t modifier_lo)
{
struct xwl_screen *xwl_screen = data;
struct xwl_format *xwl_format = NULL;
int i;
for (i = 0; i < xwl_screen->num_formats; i++) {
if (xwl_screen->formats[i].format == format) {
xwl_format = &xwl_screen->formats[i];
break;
}
}
if (xwl_format == NULL) {
xwl_screen->num_formats++;
xwl_screen->formats = realloc(xwl_screen->formats,
xwl_screen->num_formats * sizeof(*xwl_format));
if (!xwl_screen->formats)
return;
xwl_format = &xwl_screen->formats[xwl_screen->num_formats - 1];
xwl_format->format = format;
xwl_format->num_modifiers = 0;
xwl_format->modifiers = NULL;
}
xwl_format->num_modifiers++;
xwl_format->modifiers = realloc(xwl_format->modifiers,
xwl_format->num_modifiers * sizeof(uint64_t));
if (!xwl_format->modifiers)
return;
xwl_format->modifiers[xwl_format->num_modifiers - 1] = (uint64_t) modifier_lo;
xwl_format->modifiers[xwl_format->num_modifiers - 1] |= (uint64_t) modifier_hi << 32;
}
static const struct zwp_linux_dmabuf_v1_listener xwl_dmabuf_listener = {
.format = xwl_dmabuf_handle_format,
.modifier = xwl_dmabuf_handle_modifier
};
Bool
xwl_screen_set_drm_interface(struct xwl_screen *xwl_screen,
uint32_t id, uint32_t version)
{
if (version < 2)
return FALSE;
xwl_screen->drm =
wl_registry_bind(xwl_screen->registry, id, &wl_drm_interface, 2);
wl_drm_add_listener(xwl_screen->drm, &xwl_drm_listener, xwl_screen);
xwl_screen->expecting_event++;
return TRUE;
}
Bool
xwl_screen_set_dmabuf_interface(struct xwl_screen *xwl_screen,
uint32_t id, uint32_t version)
{
if (version < 3)
return FALSE;
xwl_screen->dmabuf =
wl_registry_bind(xwl_screen->registry, id, &zwp_linux_dmabuf_v1_interface, 3);
zwp_linux_dmabuf_v1_add_listener(xwl_screen->dmabuf, &xwl_dmabuf_listener, xwl_screen);
return TRUE;
}
int
glamor_egl_fd_name_from_pixmap(ScreenPtr screen,
PixmapPtr pixmap,
CARD16 *stride, CARD32 *size)
{
return 0;
}
struct xwl_auth_state {
int fd;
ClientPtr client;
struct wl_callback *callback;
};
static void
free_xwl_auth_state(ClientPtr pClient, struct xwl_auth_state *state)
{
dixSetPrivate(&pClient->devPrivates, &xwl_auth_state_private_key, NULL);
if (state) {
wl_callback_destroy(state->callback);
free(state);
}
}
static void
xwl_auth_state_client_callback(CallbackListPtr *pcbl, void *unused, void *data)
{
NewClientInfoRec *clientinfo = (NewClientInfoRec *) data;
ClientPtr pClient = clientinfo->client;
struct xwl_auth_state *state;
switch (pClient->clientState) {
case ClientStateGone:
case ClientStateRetained:
state = dixLookupPrivate(&pClient->devPrivates, &xwl_auth_state_private_key);
free_xwl_auth_state(pClient, state);
break;
default:
break;
}
}
static void
sync_callback(void *data, struct wl_callback *callback, uint32_t serial)
{
struct xwl_auth_state *state = data;
ClientPtr client = state->client;
/* if the client is gone, the callback is cancelled so it's safe to
* assume the client is still in ClientStateRunning at this point...
*/
dri3_send_open_reply(client, state->fd);
AttendClient(client);
free_xwl_auth_state(client, state);
}
static const struct wl_callback_listener sync_listener = {
sync_callback
};
static int
xwl_dri3_open_client(ClientPtr client,
ScreenPtr screen,
RRProviderPtr provider,
int *pfd)
{
struct xwl_screen *xwl_screen = xwl_screen_get(screen);
struct xwl_auth_state *state;
drm_magic_t magic;
int fd;
fd = open(xwl_screen->device_name, O_RDWR | O_CLOEXEC);
if (fd < 0)
return BadAlloc;
if (xwl_screen->fd_render_node) {
*pfd = fd;
return Success;
}
state = malloc(sizeof *state);
if (state == NULL) {
close(fd);
return BadAlloc;
}
state->client = client;
state->fd = fd;
if (drmGetMagic(state->fd, &magic) < 0) {
close(state->fd);
free(state);
return BadMatch;
}
wl_drm_authenticate(xwl_screen->drm, magic);
state->callback = wl_display_sync(xwl_screen->display);
wl_callback_add_listener(state->callback, &sync_listener, state);
dixSetPrivate(&client->devPrivates, &xwl_auth_state_private_key, state);
IgnoreClient(client);
return Success;
}
_X_EXPORT PixmapPtr
glamor_pixmap_from_fds(ScreenPtr screen,
CARD8 num_fds, int *fds,
CARD16 width, CARD16 height,
CARD32 *strides, CARD32 *offsets,
CARD8 depth, CARD8 bpp, uint64_t modifier)
{
struct xwl_screen *xwl_screen = xwl_screen_get(screen);
struct gbm_bo *bo = NULL;
PixmapPtr pixmap;
int i;
if (width == 0 || height == 0 || num_fds == 0 ||
depth < 15 || bpp != BitsPerPixel(depth) ||
strides[0] < width * bpp / 8)
goto error;
if (xwl_screen->dmabuf_capable && modifier != DRM_FORMAT_MOD_INVALID) {
#ifdef GBM_BO_WITH_MODIFIERS
struct gbm_import_fd_modifier_data data;
data.width = width;
data.height = height;
data.num_fds = num_fds;
data.format = gbm_format_for_depth(depth);
data.modifier = modifier;
for (i = 0; i < num_fds; i++) {
data.fds[i] = fds[i];
data.strides[i] = strides[i];
data.offsets[i] = offsets[i];
}
bo = gbm_bo_import(xwl_screen->gbm, GBM_BO_IMPORT_FD_MODIFIER, &data, 0);
#endif
} else if (num_fds == 1) {
struct gbm_import_fd_data data;
data.fd = fds[0];
data.width = width;
data.height = height;
data.stride = strides[0];
data.format = gbm_format_for_depth(depth);
bo = gbm_bo_import(xwl_screen->gbm, GBM_BO_IMPORT_FD, &data,
GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING);
} else {
goto error;
}
if (bo == NULL)
goto error;
pixmap = xwl_glamor_create_pixmap_for_bo(screen, bo, depth);
if (pixmap == NULL) {
gbm_bo_destroy(bo);
goto error;
}
return pixmap;
error:
for (i = 0; i < num_fds; i++)
close(fds[i]);
return NULL;
}
_X_EXPORT int
glamor_egl_fds_from_pixmap(ScreenPtr screen, PixmapPtr pixmap, int *fds,
uint32_t *strides, uint32_t *offsets,
uint64_t *modifier)
{
struct xwl_pixmap *xwl_pixmap;
#ifdef GBM_BO_WITH_MODIFIERS
uint32_t num_fds;
int i;
#endif
xwl_pixmap = xwl_pixmap_get(pixmap);
if (!xwl_pixmap->bo)
return 0;
#ifdef GBM_BO_WITH_MODIFIERS
num_fds = gbm_bo_get_plane_count(xwl_pixmap->bo);
*modifier = gbm_bo_get_modifier(xwl_pixmap->bo);
for (i = 0; i < num_fds; i++) {
fds[i] = gbm_bo_get_fd(xwl_pixmap->bo);
strides[i] = gbm_bo_get_stride_for_plane(xwl_pixmap->bo, i);
offsets[i] = gbm_bo_get_offset(xwl_pixmap->bo, i);
}
return num_fds;
#else
*modifier = DRM_FORMAT_MOD_INVALID;
fds[0] = gbm_bo_get_fd(xwl_pixmap->bo);
strides[0] = gbm_bo_get_stride(xwl_pixmap->bo);
offsets[0] = 0;
return 1;
#endif
}
_X_EXPORT Bool
glamor_get_formats(ScreenPtr screen,
CARD32 *num_formats, CARD32 **formats)
{
struct xwl_screen *xwl_screen = xwl_screen_get(screen);
int i;
if (!xwl_screen->dmabuf_capable || !xwl_screen->dmabuf)
return FALSE;
if (xwl_screen->num_formats == 0) {
*num_formats = 0;
return TRUE;
}
*formats = calloc(xwl_screen->num_formats, sizeof(CARD32));
if (*formats == NULL) {
*num_formats = 0;
return FALSE;
}
for (i = 0; i < xwl_screen->num_formats; i++)
(*formats)[i] = xwl_screen->formats[i].format;
*num_formats = xwl_screen->num_formats;
return TRUE;
}
_X_EXPORT Bool
glamor_get_modifiers(ScreenPtr screen, CARD32 format,
CARD32 *num_modifiers, uint64_t **modifiers)
{
struct xwl_screen *xwl_screen = xwl_screen_get(screen);
struct xwl_format *xwl_format = NULL;
int i;
if (!xwl_screen->dmabuf_capable || !xwl_screen->dmabuf)
return FALSE;
if (xwl_screen->num_formats == 0) {
*num_modifiers = 0;
return TRUE;
}
for (i = 0; i < xwl_screen->num_formats; i++) {
if (xwl_screen->formats[i].format == format) {
xwl_format = &xwl_screen->formats[i];
break;
}
}
if (!xwl_format) {
*num_modifiers = 0;
return FALSE;
}
*modifiers = calloc(xwl_format->num_modifiers, sizeof(uint64_t));
if (*modifiers == NULL) {
*num_modifiers = 0;
return FALSE;
}
for (i = 0; i < xwl_format->num_modifiers; i++)
(*modifiers)[i] = xwl_format->modifiers[i];
*num_modifiers = xwl_format->num_modifiers;
return TRUE;
}
static dri3_screen_info_rec xwl_dri3_info = {
.version = 2,
.open = NULL,
.pixmap_from_fds = glamor_pixmap_from_fds,
.fds_from_pixmap = glamor_fds_from_pixmap,
.open_client = xwl_dri3_open_client,
.get_formats = glamor_get_formats,
.get_modifiers = glamor_get_modifiers,
.get_drawable_modifiers = glamor_get_drawable_modifiers,
};
Bool
xwl_glamor_init(struct xwl_screen *xwl_screen)
{
ScreenPtr screen = xwl_screen->screen;
const char *no_glamor_env;
no_glamor_env = getenv("XWAYLAND_NO_GLAMOR");
if (no_glamor_env && *no_glamor_env != '0') {
ErrorF("Disabling glamor and dri3 support, XWAYLAND_NO_GLAMOR is set\n");
return FALSE;
}
if (!xwl_screen->fd_render_node && !xwl_screen->drm_authenticated) {
ErrorF("Failed to get wl_drm, disabling Glamor and DRI3\n");
return FALSE;
}
xwl_drm_init_egl(xwl_screen);
if (xwl_screen->egl_context == EGL_NO_CONTEXT) {
ErrorF("Disabling glamor and dri3, EGL setup failed\n");
return FALSE;
}
if (!glamor_init(xwl_screen->screen, GLAMOR_USE_EGL_SCREEN)) {
ErrorF("Failed to initialize glamor\n");
return FALSE;
}
if (!dri3_screen_init(xwl_screen->screen, &xwl_dri3_info)) {
ErrorF("Failed to initialize dri3\n");
return FALSE;
}
if (!dixRegisterPrivateKey(&xwl_auth_state_private_key, PRIVATE_CLIENT, 0)) {
ErrorF("Failed to register private key\n");
return FALSE;
}
if (!AddCallback(&ClientStateCallback, xwl_auth_state_client_callback, NULL)) {
ErrorF("Failed to add client state callback\n");
return FALSE;
}
xwl_screen->CreateScreenResources = screen->CreateScreenResources;
screen->CreateScreenResources = xwl_glamor_create_screen_resources;
screen->CreatePixmap = xwl_glamor_create_pixmap;
screen->DestroyPixmap = xwl_glamor_destroy_pixmap;
#ifdef XV
if (!xwl_glamor_xv_init(screen))
ErrorF("Failed to initialize glamor Xv extension\n");
#endif
return TRUE;
}
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