/*
* 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"),
* 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 (including the next
* paragraph) 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.
*
* Authors:
* Kristian Høgsberg <krh@bitplanet.net>
* Benjamin Franzke <benjaminfranzke@googlemail.com>
*/
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <dlfcn.h>
#include <errno.h>
#include <unistd.h>
#include <fcntl.h>
#include <xf86drm.h>
#include "drm-uapi/drm_fourcc.h"
#include <sys/mman.h>
#include "egl_dri2.h"
#include "loader_dri_helper.h"
#include "loader.h"
#include "util/u_vector.h"
#include "util/anon_file.h"
#include "eglglobals.h"
#include <wayland-egl-backend.h>
#include <wayland-client.h>
#include "wayland-drm-client-protocol.h"
#include "linux-dmabuf-unstable-v1-client-protocol.h"
/*
* The index of entries in this table is used as a bitmask in
* dri2_dpy->formats, which tracks the formats supported by our server.
*/
static const struct dri2_wl_visual {
const char *format_name;
uint32_t wl_drm_format;
uint32_t wl_shm_format;
int dri_image_format;
/* alt_dri_image_format is a substitute wl_buffer format to use for a
* wl-server unsupported dri_image_format, ie. some other dri_image_format in
* the table, of the same precision but with different channel ordering, or
* __DRI_IMAGE_FORMAT_NONE if an alternate format is not needed or supported.
* The code checks if alt_dri_image_format can be used as a fallback for a
* dri_image_format for a given wl-server implementation.
*/
int alt_dri_image_format;
int bpp;
int rgba_shifts[4];
unsigned int rgba_sizes[4];
} dri2_wl_visuals[] = {
{
"ABGR16F",
WL_DRM_FORMAT_ABGR16F, WL_SHM_FORMAT_ABGR16161616F,
__DRI_IMAGE_FORMAT_ABGR16161616F, 0, 64,
{ 0, 16, 32, 48 },
{ 16, 16, 16, 16 },
},
{
"XBGR16F",
WL_DRM_FORMAT_XBGR16F, WL_SHM_FORMAT_XBGR16161616F,
__DRI_IMAGE_FORMAT_XBGR16161616F, 0, 64,
{ 0, 16, 32, -1 },
{ 16, 16, 16, 0 },
},
{
"XRGB2101010",
WL_DRM_FORMAT_XRGB2101010, WL_SHM_FORMAT_XRGB2101010,
__DRI_IMAGE_FORMAT_XRGB2101010, __DRI_IMAGE_FORMAT_XBGR2101010, 32,
{ 20, 10, 0, -1 },
{ 10, 10, 10, 0 },
},
{
"ARGB2101010",
WL_DRM_FORMAT_ARGB2101010, WL_SHM_FORMAT_ARGB2101010,
__DRI_IMAGE_FORMAT_ARGB2101010, __DRI_IMAGE_FORMAT_ABGR2101010, 32,
{ 20, 10, 0, 30 },
{ 10, 10, 10, 2 },
},
{
"XBGR2101010",
WL_DRM_FORMAT_XBGR2101010, WL_SHM_FORMAT_XBGR2101010,
__DRI_IMAGE_FORMAT_XBGR2101010, __DRI_IMAGE_FORMAT_XRGB2101010, 32,
{ 0, 10, 20, -1 },
{ 10, 10, 10, 0 },
},
{
"ABGR2101010",
WL_DRM_FORMAT_ABGR2101010, WL_SHM_FORMAT_ABGR2101010,
__DRI_IMAGE_FORMAT_ABGR2101010, __DRI_IMAGE_FORMAT_ARGB2101010, 32,
{ 0, 10, 20, 30 },
{ 10, 10, 10, 2 },
},
{
"XRGB8888",
WL_DRM_FORMAT_XRGB8888, WL_SHM_FORMAT_XRGB8888,
__DRI_IMAGE_FORMAT_XRGB8888, __DRI_IMAGE_FORMAT_NONE, 32,
{ 16, 8, 0, -1 },
{ 8, 8, 8, 0 },
},
{
"ARGB8888",
WL_DRM_FORMAT_ARGB8888, WL_SHM_FORMAT_ARGB8888,
__DRI_IMAGE_FORMAT_ARGB8888, __DRI_IMAGE_FORMAT_NONE, 32,
{ 16, 8, 0, 24 },
{ 8, 8, 8, 8 },
},
{
"ABGR8888",
WL_DRM_FORMAT_ABGR8888, WL_SHM_FORMAT_ABGR8888,
__DRI_IMAGE_FORMAT_ABGR8888, __DRI_IMAGE_FORMAT_NONE, 32,
{ 0, 8, 16, 24 },
{ 8, 8, 8, 8 },
},
{
"XBGR8888",
WL_DRM_FORMAT_XBGR8888, WL_SHM_FORMAT_XBGR8888,
__DRI_IMAGE_FORMAT_XBGR8888, __DRI_IMAGE_FORMAT_NONE, 32,
{ 0, 8, 16, -1 },
{ 8, 8, 8, 0 },
},
{
"RGB565",
WL_DRM_FORMAT_RGB565, WL_SHM_FORMAT_RGB565,
__DRI_IMAGE_FORMAT_RGB565, __DRI_IMAGE_FORMAT_NONE, 16,
{ 11, 5, 0, -1 },
{ 5, 6, 5, 0 },
},
};
static_assert(ARRAY_SIZE(dri2_wl_visuals) <= EGL_DRI2_MAX_FORMATS,
"dri2_egl_display::formats is not large enough for "
"the formats in dri2_wl_visuals");
static int
dri2_wl_visual_idx_from_config(struct dri2_egl_display *dri2_dpy,
const __DRIconfig *config,
bool force_opaque)
{
int shifts[4];
unsigned int sizes[4];
dri2_get_shifts_and_sizes(dri2_dpy->core, config, shifts, sizes);
for (unsigned int i = 0; i < ARRAY_SIZE(dri2_wl_visuals); i++) {
const struct dri2_wl_visual *wl_visual = &dri2_wl_visuals[i];
int cmp_rgb_shifts = memcmp(shifts, wl_visual->rgba_shifts,
3 * sizeof(shifts[0]));
int cmp_rgb_sizes = memcmp(sizes, wl_visual->rgba_sizes,
3 * sizeof(sizes[0]));
if (cmp_rgb_shifts == 0 && cmp_rgb_sizes == 0 &&
wl_visual->rgba_shifts[3] == (force_opaque ? -1 : shifts[3]) &&
wl_visual->rgba_sizes[3] == (force_opaque ? 0 : sizes[3])) {
return i;
}
}
return -1;
}
static int
dri2_wl_visual_idx_from_fourcc(uint32_t fourcc)
{
for (int i = 0; i < ARRAY_SIZE(dri2_wl_visuals); i++) {
/* wl_drm format codes overlap with DRIImage FourCC codes for all formats
* we support. */
if (dri2_wl_visuals[i].wl_drm_format == fourcc)
return i;
}
return -1;
}
static int
dri2_wl_visual_idx_from_dri_image_format(uint32_t dri_image_format)
{
for (int i = 0; i < ARRAY_SIZE(dri2_wl_visuals); i++) {
if (dri2_wl_visuals[i].dri_image_format == dri_image_format)
return i;
}
return -1;
}
static int
dri2_wl_visual_idx_from_shm_format(uint32_t shm_format)
{
for (int i = 0; i < ARRAY_SIZE(dri2_wl_visuals); i++) {
if (dri2_wl_visuals[i].wl_shm_format == shm_format)
return i;
}
return -1;
}
bool
dri2_wl_is_format_supported(void* user_data, uint32_t format)
{
_EGLDisplay *disp = (_EGLDisplay *) user_data;
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
int j = dri2_wl_visual_idx_from_fourcc(format);
if (j == -1)
return false;
for (int i = 0; dri2_dpy->driver_configs[i]; i++)
if (j == dri2_wl_visual_idx_from_config(dri2_dpy,
dri2_dpy->driver_configs[i],
false))
return true;
return false;
}
static int
roundtrip(struct dri2_egl_display *dri2_dpy)
{
return wl_display_roundtrip_queue(dri2_dpy->wl_dpy, dri2_dpy->wl_queue);
}
static void
wl_buffer_release(void *data, struct wl_buffer *buffer)
{
struct dri2_egl_surface *dri2_surf = data;
int i;
for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); ++i)
if (dri2_surf->color_buffers[i].wl_buffer == buffer)
break;
assert (i < ARRAY_SIZE(dri2_surf->color_buffers));
if (dri2_surf->color_buffers[i].wl_release) {
wl_buffer_destroy(buffer);
dri2_surf->color_buffers[i].wl_release = false;
dri2_surf->color_buffers[i].wl_buffer = NULL;
}
dri2_surf->color_buffers[i].locked = false;
}
static const struct wl_buffer_listener wl_buffer_listener = {
.release = wl_buffer_release
};
static void
resize_callback(struct wl_egl_window *wl_win, void *data)
{
struct dri2_egl_surface *dri2_surf = data;
struct dri2_egl_display *dri2_dpy =
dri2_egl_display(dri2_surf->base.Resource.Display);
if (dri2_surf->base.Width == wl_win->width &&
dri2_surf->base.Height == wl_win->height)
return;
dri2_surf->resized = true;
/* Update the surface size as soon as native window is resized; from user
* pov, this makes the effect that resize is done immediately after native
* window resize, without requiring to wait until the first draw.
*
* A more detailed and lengthy explanation can be found at
* https://lists.freedesktop.org/archives/mesa-dev/2018-June/196474.html
*/
if (!dri2_surf->back) {
dri2_surf->base.Width = wl_win->width;
dri2_surf->base.Height = wl_win->height;
}
dri2_dpy->flush->invalidate(dri2_surf->dri_drawable);
}
static void
destroy_window_callback(void *data)
{
struct dri2_egl_surface *dri2_surf = data;
dri2_surf->wl_win = NULL;
}
static struct wl_surface *
get_wl_surface_proxy(struct wl_egl_window *window)
{
/* Version 3 of wl_egl_window introduced a version field at the same
* location where a pointer to wl_surface was stored. Thus, if
* window->version is dereferenceable, we've been given an older version of
* wl_egl_window, and window->version points to wl_surface */
if (_eglPointerIsDereferencable((void *)(window->version))) {
return wl_proxy_create_wrapper((void *)(window->version));
}
return wl_proxy_create_wrapper(window->surface);
}
/**
* Called via eglCreateWindowSurface(), drv->CreateWindowSurface().
*/
static _EGLSurface *
dri2_wl_create_window_surface(_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;
int visual_idx;
const __DRIconfig *config;
if (!window) {
_eglError(EGL_BAD_NATIVE_WINDOW, "dri2_create_surface");
return NULL;
}
if (window->driver_private) {
_eglError(EGL_BAD_ALLOC, "dri2_create_surface");
return NULL;
}
dri2_surf = calloc(1, sizeof *dri2_surf);
if (!dri2_surf) {
_eglError(EGL_BAD_ALLOC, "dri2_create_surface");
return NULL;
}
if (!dri2_init_surface(&dri2_surf->base, disp, EGL_WINDOW_BIT, conf,
attrib_list, false, native_window))
goto cleanup_surf;
config = dri2_get_dri_config(dri2_conf, EGL_WINDOW_BIT,
dri2_surf->base.GLColorspace);
if (!config) {
_eglError(EGL_BAD_MATCH, "Unsupported surfacetype/colorspace configuration");
goto cleanup_surf;
}
dri2_surf->base.Width = window->width;
dri2_surf->base.Height = window->height;
#ifndef NDEBUG
/* Enforce that every visual has an opaque variant (requirement to support
* EGL_EXT_present_opaque)
*/
for (unsigned int i = 0; i < ARRAY_SIZE(dri2_wl_visuals); i++) {
const struct dri2_wl_visual *transparent_visual = &dri2_wl_visuals[i];
if (transparent_visual->rgba_sizes[3] == 0) {
continue;
}
bool found_opaque_equivalent = false;
for (unsigned int j = 0; j < ARRAY_SIZE(dri2_wl_visuals); j++) {
const struct dri2_wl_visual *opaque_visual = &dri2_wl_visuals[j];
if (opaque_visual->rgba_sizes[3] != 0) {
continue;
}
int cmp_rgb_shifts = memcmp(transparent_visual->rgba_shifts,
opaque_visual->rgba_shifts,
3 * sizeof(opaque_visual->rgba_shifts[0]));
int cmp_rgb_sizes = memcmp(transparent_visual->rgba_sizes,
opaque_visual->rgba_sizes,
3 * sizeof(opaque_visual->rgba_sizes[0]));
if (cmp_rgb_shifts == 0 && cmp_rgb_sizes == 0) {
found_opaque_equivalent = true;
break;
}
}
assert(found_opaque_equivalent);
}
#endif
visual_idx = dri2_wl_visual_idx_from_config(dri2_dpy, config,
dri2_surf->base.PresentOpaque);
assert(visual_idx != -1);
if (dri2_dpy->wl_dmabuf || dri2_dpy->wl_drm) {
dri2_surf->format = dri2_wl_visuals[visual_idx].wl_drm_format;
} else {
assert(dri2_dpy->wl_shm);
dri2_surf->format = dri2_wl_visuals[visual_idx].wl_shm_format;
}
dri2_surf->wl_queue = wl_display_create_queue(dri2_dpy->wl_dpy);
if (!dri2_surf->wl_queue) {
_eglError(EGL_BAD_ALLOC, "dri2_create_surface");
goto cleanup_surf;
}
if (dri2_dpy->wl_drm) {
dri2_surf->wl_drm_wrapper = wl_proxy_create_wrapper(dri2_dpy->wl_drm);
if (!dri2_surf->wl_drm_wrapper) {
_eglError(EGL_BAD_ALLOC, "dri2_create_surface");
goto cleanup_queue;
}
wl_proxy_set_queue((struct wl_proxy *)dri2_surf->wl_drm_wrapper,
dri2_surf->wl_queue);
}
dri2_surf->wl_dpy_wrapper = wl_proxy_create_wrapper(dri2_dpy->wl_dpy);
if (!dri2_surf->wl_dpy_wrapper) {
_eglError(EGL_BAD_ALLOC, "dri2_create_surface");
goto cleanup_drm;
}
wl_proxy_set_queue((struct wl_proxy *)dri2_surf->wl_dpy_wrapper,
dri2_surf->wl_queue);
dri2_surf->wl_surface_wrapper = get_wl_surface_proxy(window);
if (!dri2_surf->wl_surface_wrapper) {
_eglError(EGL_BAD_ALLOC, "dri2_create_surface");
goto cleanup_dpy_wrapper;
}
wl_proxy_set_queue((struct wl_proxy *)dri2_surf->wl_surface_wrapper,
dri2_surf->wl_queue);
dri2_surf->wl_win = window;
dri2_surf->wl_win->driver_private = dri2_surf;
dri2_surf->wl_win->destroy_window_callback = destroy_window_callback;
if (dri2_dpy->flush)
dri2_surf->wl_win->resize_callback = resize_callback;
if (!dri2_create_drawable(dri2_dpy, config, dri2_surf, dri2_surf))
goto cleanup_surf_wrapper;
dri2_surf->base.SwapInterval = dri2_dpy->default_swap_interval;
return &dri2_surf->base;
cleanup_surf_wrapper:
wl_proxy_wrapper_destroy(dri2_surf->wl_surface_wrapper);
cleanup_dpy_wrapper:
wl_proxy_wrapper_destroy(dri2_surf->wl_dpy_wrapper);
cleanup_drm:
if (dri2_surf->wl_drm_wrapper)
wl_proxy_wrapper_destroy(dri2_surf->wl_drm_wrapper);
cleanup_queue:
wl_event_queue_destroy(dri2_surf->wl_queue);
cleanup_surf:
free(dri2_surf);
return NULL;
}
static _EGLSurface *
dri2_wl_create_pixmap_surface(_EGLDisplay *disp, _EGLConfig *conf,
void *native_window, const EGLint *attrib_list)
{
/* From the EGL_EXT_platform_wayland spec, version 3:
*
* It is not valid to call eglCreatePlatformPixmapSurfaceEXT with a <dpy>
* that belongs to Wayland. Any such call fails and generates
* EGL_BAD_PARAMETER.
*/
_eglError(EGL_BAD_PARAMETER, "cannot create EGL pixmap surfaces on "
"Wayland");
return NULL;
}
/**
* Called via eglDestroySurface(), drv->DestroySurface().
*/
static EGLBoolean
dri2_wl_destroy_surface(_EGLDisplay *disp, _EGLSurface *surf)
{
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
dri2_dpy->core->destroyDrawable(dri2_surf->dri_drawable);
for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
if (dri2_surf->color_buffers[i].wl_buffer)
wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer);
if (dri2_surf->color_buffers[i].dri_image)
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);
}
if (dri2_dpy->dri2)
dri2_egl_surface_free_local_buffers(dri2_surf);
if (dri2_surf->throttle_callback)
wl_callback_destroy(dri2_surf->throttle_callback);
if (dri2_surf->wl_win) {
dri2_surf->wl_win->driver_private = NULL;
dri2_surf->wl_win->resize_callback = NULL;
dri2_surf->wl_win->destroy_window_callback = NULL;
}
wl_proxy_wrapper_destroy(dri2_surf->wl_surface_wrapper);
wl_proxy_wrapper_destroy(dri2_surf->wl_dpy_wrapper);
if (dri2_surf->wl_drm_wrapper)
wl_proxy_wrapper_destroy(dri2_surf->wl_drm_wrapper);
wl_event_queue_destroy(dri2_surf->wl_queue);
dri2_fini_surface(surf);
free(surf);
return EGL_TRUE;
}
static void
dri2_wl_release_buffers(struct dri2_egl_surface *dri2_surf)
{
struct dri2_egl_display *dri2_dpy =
dri2_egl_display(dri2_surf->base.Resource.Display);
for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
if (dri2_surf->color_buffers[i].wl_buffer) {
if (dri2_surf->color_buffers[i].locked) {
dri2_surf->color_buffers[i].wl_release = true;
} else {
wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer);
dri2_surf->color_buffers[i].wl_buffer = NULL;
}
}
if (dri2_surf->color_buffers[i].dri_image)
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].dri_image = NULL;
dri2_surf->color_buffers[i].linear_copy = NULL;
dri2_surf->color_buffers[i].data = NULL;
}
if (dri2_dpy->dri2)
dri2_egl_surface_free_local_buffers(dri2_surf);
}
static int
get_back_bo(struct dri2_egl_surface *dri2_surf)
{
struct dri2_egl_display *dri2_dpy =
dri2_egl_display(dri2_surf->base.Resource.Display);
int use_flags;
int visual_idx;
unsigned int dri_image_format;
unsigned int linear_dri_image_format;
uint64_t *modifiers;
int num_modifiers;
visual_idx = dri2_wl_visual_idx_from_fourcc(dri2_surf->format);
assert(visual_idx != -1);
dri_image_format = dri2_wl_visuals[visual_idx].dri_image_format;
linear_dri_image_format = dri_image_format;
modifiers = u_vector_tail(&dri2_dpy->wl_modifiers[visual_idx]);
num_modifiers = u_vector_length(&dri2_dpy->wl_modifiers[visual_idx]);
if (num_modifiers == 1 && modifiers[0] == DRM_FORMAT_MOD_INVALID) {
/* For the purposes of this function, an INVALID modifier on its own
* means the modifiers aren't supported.
*/
num_modifiers = 0;
}
/* Substitute dri image format if server does not support original format */
if (!BITSET_TEST(dri2_dpy->formats, visual_idx))
linear_dri_image_format = dri2_wl_visuals[visual_idx].alt_dri_image_format;
/* These asserts hold, as long as dri2_wl_visuals[] is self-consistent and
* the PRIME substitution logic in dri2_wl_add_configs_for_visuals() is free
* of bugs.
*/
assert(linear_dri_image_format != __DRI_IMAGE_FORMAT_NONE);
assert(BITSET_TEST(dri2_dpy->formats,
dri2_wl_visual_idx_from_dri_image_format(linear_dri_image_format)));
/* There might be a buffer release already queued that wasn't processed */
wl_display_dispatch_queue_pending(dri2_dpy->wl_dpy, dri2_surf->wl_queue);
while (dri2_surf->back == NULL) {
for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
/* Get an unlocked buffer, preferably one with a dri_buffer
* already allocated. */
if (dri2_surf->color_buffers[i].locked)
continue;
if (dri2_surf->back == NULL)
dri2_surf->back = &dri2_surf->color_buffers[i];
else if (dri2_surf->back->dri_image == NULL)
dri2_surf->back = &dri2_surf->color_buffers[i];
}
if (dri2_surf->back)
break;
/* If we don't have a buffer, then block on the server to release one for
* us, and try again. wl_display_dispatch_queue will process any pending
* events, however not all servers flush on issuing a buffer release
* event. So, we spam the server with roundtrips as they always cause a
* client flush.
*/
if (wl_display_roundtrip_queue(dri2_dpy->wl_dpy,
dri2_surf->wl_queue) < 0)
return -1;
}
if (dri2_surf->back == NULL)
return -1;
use_flags = __DRI_IMAGE_USE_SHARE | __DRI_IMAGE_USE_BACKBUFFER;
if (dri2_surf->base.ProtectedContent) {
/* Protected buffers can't be read from another GPU */
if (dri2_dpy->is_different_gpu)
return -1;
use_flags |= __DRI_IMAGE_USE_PROTECTED;
}
if (dri2_dpy->is_different_gpu &&
dri2_surf->back->linear_copy == NULL) {
/* The LINEAR modifier should be a perfect alias of the LINEAR use
* flag; try the new interface first before the old, then fall back. */
uint64_t linear_mod = DRM_FORMAT_MOD_LINEAR;
dri2_surf->back->linear_copy =
loader_dri_create_image(dri2_dpy->dri_screen, dri2_dpy->image,
dri2_surf->base.Width,
dri2_surf->base.Height,
linear_dri_image_format,
use_flags | __DRI_IMAGE_USE_LINEAR,
&linear_mod, 1, NULL);
if (dri2_surf->back->linear_copy == NULL)
return -1;
}
if (dri2_surf->back->dri_image == NULL) {
/* If our DRIImage implementation does not support
* createImageWithModifiers, then fall back to the old createImage,
* and hope it allocates an image which is acceptable to the winsys.
*/
dri2_surf->back->dri_image =
loader_dri_create_image(dri2_dpy->dri_screen, dri2_dpy->image,
dri2_surf->base.Width,
dri2_surf->base.Height,
dri_image_format,
dri2_dpy->is_different_gpu ? 0 : use_flags,
modifiers, num_modifiers, NULL);
dri2_surf->back->age = 0;
}
if (dri2_surf->back->dri_image == NULL)
return -1;
dri2_surf->back->locked = true;
return 0;
}
static void
back_bo_to_dri_buffer(struct dri2_egl_surface *dri2_surf, __DRIbuffer *buffer)
{
struct dri2_egl_display *dri2_dpy =
dri2_egl_display(dri2_surf->base.Resource.Display);
__DRIimage *image;
int name, pitch;
image = dri2_surf->back->dri_image;
dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_NAME, &name);
dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_STRIDE, &pitch);
buffer->attachment = __DRI_BUFFER_BACK_LEFT;
buffer->name = name;
buffer->pitch = pitch;
buffer->cpp = 4;
buffer->flags = 0;
}
static int
update_buffers(struct dri2_egl_surface *dri2_surf)
{
struct dri2_egl_display *dri2_dpy =
dri2_egl_display(dri2_surf->base.Resource.Display);
if (dri2_surf->wl_win &&
(dri2_surf->base.Width != dri2_surf->wl_win->width ||
dri2_surf->base.Height != dri2_surf->wl_win->height)) {
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;
}
if (dri2_surf->resized) {
dri2_wl_release_buffers(dri2_surf);
dri2_surf->resized = false;
}
if (get_back_bo(dri2_surf) < 0) {
_eglError(EGL_BAD_ALLOC, "failed to allocate color buffer");
return -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 (int 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);
dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].dri_image);
if (dri2_dpy->is_different_gpu)
dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].linear_copy);
dri2_surf->color_buffers[i].wl_buffer = NULL;
dri2_surf->color_buffers[i].dri_image = NULL;
dri2_surf->color_buffers[i].linear_copy = NULL;
}
}
return 0;
}
static int
update_buffers_if_needed(struct dri2_egl_surface *dri2_surf)
{
if (dri2_surf->back != NULL)
return 0;
return update_buffers(dri2_surf);
}
static __DRIbuffer *
dri2_wl_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;
int i, j;
if (update_buffers(dri2_surf) < 0)
return NULL;
for (i = 0, j = 0; i < 2 * count; i += 2, j++) {
__DRIbuffer *local;
switch (attachments[i]) {
case __DRI_BUFFER_BACK_LEFT:
back_bo_to_dri_buffer(dri2_surf, &dri2_surf->buffers[j]);
break;
default:
local = dri2_egl_surface_alloc_local_buffer(dri2_surf, attachments[i],
attachments[i + 1]);
if (!local) {
_eglError(EGL_BAD_ALLOC, "failed to allocate local buffer");
return NULL;
}
dri2_surf->buffers[j] = *local;
break;
}
}
*out_count = j;
if (j == 0)
return NULL;
*width = dri2_surf->base.Width;
*height = dri2_surf->base.Height;
return dri2_surf->buffers;
}
static __DRIbuffer *
dri2_wl_get_buffers(__DRIdrawable * driDrawable,
int *width, int *height,
unsigned int *attachments, int count,
int *out_count, void *loaderPrivate)
{
struct dri2_egl_surface *dri2_surf = loaderPrivate;
unsigned int *attachments_with_format;
__DRIbuffer *buffer;
int visual_idx = dri2_wl_visual_idx_from_fourcc(dri2_surf->format);
if (visual_idx == -1)
return NULL;
attachments_with_format = calloc(count, 2 * sizeof(unsigned int));
if (!attachments_with_format) {
*out_count = 0;
return NULL;
}
for (int i = 0; i < count; ++i) {
attachments_with_format[2*i] = attachments[i];
attachments_with_format[2*i + 1] = dri2_wl_visuals[visual_idx].bpp;
}
buffer =
dri2_wl_get_buffers_with_format(driDrawable,
width, height,
attachments_with_format, count,
out_count, loaderPrivate);
free(attachments_with_format);
return buffer;
}
static int
image_get_buffers(__DRIdrawable *driDrawable,
unsigned int format,
uint32_t *stamp,
void *loaderPrivate,
uint32_t buffer_mask,
struct __DRIimageList *buffers)
{
struct dri2_egl_surface *dri2_surf = loaderPrivate;
if (update_buffers(dri2_surf) < 0)
return 0;
buffers->image_mask = __DRI_IMAGE_BUFFER_BACK;
buffers->back = dri2_surf->back->dri_image;
return 1;
}
static void
dri2_wl_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate)
{
(void) driDrawable;
(void) loaderPrivate;
}
static unsigned
dri2_wl_get_capability(void *loaderPrivate, enum dri_loader_cap cap)
{
switch (cap) {
case DRI_LOADER_CAP_FP16:
return 1;
case DRI_LOADER_CAP_RGBA_ORDERING:
return 1;
default:
return 0;
}
}
static const __DRIdri2LoaderExtension dri2_loader_extension = {
.base = { __DRI_DRI2_LOADER, 4 },
.getBuffers = dri2_wl_get_buffers,
.flushFrontBuffer = dri2_wl_flush_front_buffer,
.getBuffersWithFormat = dri2_wl_get_buffers_with_format,
.getCapability = dri2_wl_get_capability,
};
static const __DRIimageLoaderExtension image_loader_extension = {
.base = { __DRI_IMAGE_LOADER, 2 },
.getBuffers = image_get_buffers,
.flushFrontBuffer = dri2_wl_flush_front_buffer,
.getCapability = dri2_wl_get_capability,
};
static void
wayland_throttle_callback(void *data,
struct wl_callback *callback,
uint32_t time)
{
struct dri2_egl_surface *dri2_surf = data;
dri2_surf->throttle_callback = NULL;
wl_callback_destroy(callback);
}
static const struct wl_callback_listener throttle_listener = {
.done = wayland_throttle_callback
};
static EGLBoolean
get_fourcc(struct dri2_egl_display *dri2_dpy,
__DRIimage *image, int *fourcc)
{
EGLBoolean query;
int dri_format;
int visual_idx;
query = dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_FOURCC,
fourcc);
if (query)
return true;
query = dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_FORMAT,
&dri_format);
if (!query)
return false;
visual_idx = dri2_wl_visual_idx_from_dri_image_format(dri_format);
if (visual_idx == -1)
return false;
*fourcc = dri2_wl_visuals[visual_idx].wl_drm_format;
return true;
}
static struct wl_buffer *
create_wl_buffer(struct dri2_egl_display *dri2_dpy,
struct dri2_egl_surface *dri2_surf,
__DRIimage *image)
{
struct wl_buffer *ret;
EGLBoolean query;
int width, height, fourcc, num_planes;
uint64_t modifier = DRM_FORMAT_MOD_INVALID;
query = dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_WIDTH, &width);
query &= dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_HEIGHT,
&height);
query &= get_fourcc(dri2_dpy, image, &fourcc);
if (!query)
return NULL;
query = dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_NUM_PLANES,
&num_planes);
if (!query)
num_planes = 1;
if (dri2_dpy->image->base.version >= 15) {
int mod_hi, mod_lo;
query = dri2_dpy->image->queryImage(image,
__DRI_IMAGE_ATTRIB_MODIFIER_UPPER,
&mod_hi);
query &= dri2_dpy->image->queryImage(image,
__DRI_IMAGE_ATTRIB_MODIFIER_LOWER,
&mod_lo);
if (query) {
modifier = combine_u32_into_u64(mod_hi, mod_lo);
}
}
bool supported_modifier = false;
bool mod_invalid_supported = false;
int visual_idx = dri2_wl_visual_idx_from_fourcc(fourcc);
assert(visual_idx != -1);
uint64_t *mod;
u_vector_foreach(mod, &dri2_dpy->wl_modifiers[visual_idx]) {
if (*mod == DRM_FORMAT_MOD_INVALID) {
mod_invalid_supported = true;
}
if (*mod == modifier) {
supported_modifier = true;
break;
}
}
if (!supported_modifier && mod_invalid_supported) {
/* If the server has advertised DRM_FORMAT_MOD_INVALID then we trust
* that the client has allocated the buffer with the right implicit
* modifier for the format, even though it's allocated a buffer the
* server hasn't explicitly claimed to support. */
modifier = DRM_FORMAT_MOD_INVALID;
supported_modifier = true;
}
if (dri2_dpy->wl_dmabuf && supported_modifier) {
struct zwp_linux_buffer_params_v1 *params;
int i;
/* We don't need a wrapper for wl_dmabuf objects, because we have to
* create the intermediate params object; we can set the queue on this,
* and the wl_buffer inherits it race-free. */
params = zwp_linux_dmabuf_v1_create_params(dri2_dpy->wl_dmabuf);
if (dri2_surf)
wl_proxy_set_queue((struct wl_proxy *) params, dri2_surf->wl_queue);
for (i = 0; i < num_planes; i++) {
__DRIimage *p_image;
int stride, offset;
int fd = -1;
p_image = dri2_dpy->image->fromPlanar(image, i, NULL);
if (!p_image) {
assert(i == 0);
p_image = image;
}
query = dri2_dpy->image->queryImage(p_image,
__DRI_IMAGE_ATTRIB_FD,
&fd);
query &= dri2_dpy->image->queryImage(p_image,
__DRI_IMAGE_ATTRIB_STRIDE,
&stride);
query &= dri2_dpy->image->queryImage(p_image,
__DRI_IMAGE_ATTRIB_OFFSET,
&offset);
if (image != p_image)
dri2_dpy->image->destroyImage(p_image);
if (!query) {
if (fd >= 0)
close(fd);
zwp_linux_buffer_params_v1_destroy(params);
return NULL;
}
zwp_linux_buffer_params_v1_add(params, fd, i, offset, stride,
modifier >> 32, modifier & 0xffffffff);
close(fd);
}
ret = zwp_linux_buffer_params_v1_create_immed(params, width, height,
fourcc, 0);
zwp_linux_buffer_params_v1_destroy(params);
} else if (dri2_dpy->capabilities & WL_DRM_CAPABILITY_PRIME) {
struct wl_drm *wl_drm =
dri2_surf ? dri2_surf->wl_drm_wrapper : dri2_dpy->wl_drm;
int fd, stride;
if (num_planes > 1)
return NULL;
dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_FD, &fd);
dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_STRIDE, &stride);
ret = wl_drm_create_prime_buffer(wl_drm, fd, width, height, fourcc, 0,
stride, 0, 0, 0, 0);
close(fd);
} else {
struct wl_drm *wl_drm =
dri2_surf ? dri2_surf->wl_drm_wrapper : dri2_dpy->wl_drm;
int name, stride;
if (num_planes > 1)
return NULL;
dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_NAME, &name);
dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_STRIDE, &stride);
ret = wl_drm_create_buffer(wl_drm, name, width, height, stride, fourcc);
}
return ret;
}
static EGLBoolean
try_damage_buffer(struct dri2_egl_surface *dri2_surf,
const EGLint *rects,
EGLint n_rects)
{
if (wl_proxy_get_version((struct wl_proxy *) dri2_surf->wl_surface_wrapper)
< WL_SURFACE_DAMAGE_BUFFER_SINCE_VERSION)
return EGL_FALSE;
for (int i = 0; i < n_rects; i++) {
const int *rect = &rects[i * 4];
wl_surface_damage_buffer(dri2_surf->wl_surface_wrapper,
rect[0],
dri2_surf->base.Height - rect[1] - rect[3],
rect[2], rect[3]);
}
return EGL_TRUE;
}
/**
* Called via eglSwapBuffers(), drv->SwapBuffers().
*/
static EGLBoolean
dri2_wl_swap_buffers_with_damage(_EGLDisplay *disp,
_EGLSurface *draw,
const EGLint *rects,
EGLint n_rects)
{
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
if (!dri2_surf->wl_win)
return _eglError(EGL_BAD_NATIVE_WINDOW, "dri2_swap_buffers");
while (dri2_surf->throttle_callback != NULL)
if (wl_display_dispatch_queue(dri2_dpy->wl_dpy,
dri2_surf->wl_queue) == -1)
return -1;
for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++)
if (dri2_surf->color_buffers[i].age > 0)
dri2_surf->color_buffers[i].age++;
/* Make sure we have a back buffer in case we're swapping without ever
* rendering. */
if (update_buffers_if_needed(dri2_surf) < 0)
return _eglError(EGL_BAD_ALLOC, "dri2_swap_buffers");
if (draw->SwapInterval > 0) {
dri2_surf->throttle_callback =
wl_surface_frame(dri2_surf->wl_surface_wrapper);
wl_callback_add_listener(dri2_surf->throttle_callback,
&throttle_listener, dri2_surf);
}
dri2_surf->back->age = 1;
dri2_surf->current = dri2_surf->back;
dri2_surf->back = NULL;
if (!dri2_surf->current->wl_buffer) {
__DRIimage *image;
if (dri2_dpy->is_different_gpu)
image = dri2_surf->current->linear_copy;
else
image = dri2_surf->current->dri_image;
dri2_surf->current->wl_buffer =
create_wl_buffer(dri2_dpy, dri2_surf, image);
dri2_surf->current->wl_release = false;
wl_buffer_add_listener(dri2_surf->current->wl_buffer,
&wl_buffer_listener, dri2_surf);
}
wl_surface_attach(dri2_surf->wl_surface_wrapper,
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;
/* If the compositor doesn't support damage_buffer, we deliberately
* ignore the damage region and post maximum damage, due to
* https://bugs.freedesktop.org/78190 */
if (!n_rects || !try_damage_buffer(dri2_surf, rects, n_rects))
wl_surface_damage(dri2_surf->wl_surface_wrapper,
0, 0, INT32_MAX, INT32_MAX);
if (dri2_dpy->is_different_gpu) {
_EGLContext *ctx = _eglGetCurrentContext();
struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
dri2_dpy->image->blitImage(dri2_ctx->dri_context,
dri2_surf->current->linear_copy,
dri2_surf->current->dri_image,
0, 0, dri2_surf->base.Width,
dri2_surf->base.Height,
0, 0, dri2_surf->base.Width,
dri2_surf->base.Height, 0);
}
dri2_flush_drawable_for_swapbuffers(disp, draw);
dri2_dpy->flush->invalidate(dri2_surf->dri_drawable);
wl_surface_commit(dri2_surf->wl_surface_wrapper);
/* 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_surf->wl_dpy_wrapper);
wl_callback_add_listener(dri2_surf->throttle_callback,
&throttle_listener, dri2_surf);
}
wl_display_flush(dri2_dpy->wl_dpy);
return EGL_TRUE;
}
static EGLint
dri2_wl_query_buffer_age(_EGLDisplay *disp, _EGLSurface *surface)
{
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surface);
if (update_buffers_if_needed(dri2_surf) < 0) {
_eglError(EGL_BAD_ALLOC, "dri2_query_buffer_age");
return -1;
}
return dri2_surf->back->age;
}
static EGLBoolean
dri2_wl_swap_buffers(_EGLDisplay *disp, _EGLSurface *draw)
{
return dri2_wl_swap_buffers_with_damage(disp, draw, NULL, 0);
}
static struct wl_buffer *
dri2_wl_create_wayland_buffer_from_image(_EGLDisplay *disp, _EGLImage *img)
{
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
struct dri2_egl_image *dri2_img = dri2_egl_image(img);
__DRIimage *image = dri2_img->dri_image;
struct wl_buffer *buffer;
int format, visual_idx;
/* Check the upstream display supports this buffer's format. */
dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_FORMAT, &format);
visual_idx = dri2_wl_visual_idx_from_dri_image_format(format);
if (visual_idx == -1)
goto bad_format;
if (!BITSET_TEST(dri2_dpy->formats, visual_idx))
goto bad_format;
buffer = create_wl_buffer(dri2_dpy, NULL, image);
/* The buffer object will have been created with our internal event queue
* because it is using wl_dmabuf/wl_drm as a proxy factory. We want the
* buffer to be used by the application so we'll reset it to the display's
* default event queue. This isn't actually racy, as the only event the
* buffer can get is a buffer release, which doesn't happen with an explicit
* attach. */
if (buffer)
wl_proxy_set_queue((struct wl_proxy *) buffer, NULL);
return buffer;
bad_format:
_eglError(EGL_BAD_MATCH, "unsupported image format");
return NULL;
}
static int
dri2_wl_authenticate(_EGLDisplay *disp, uint32_t id)
{
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
int ret = 0;
if (dri2_dpy->is_render_node) {
_eglLog(_EGL_WARNING, "wayland-egl: client asks server to "
"authenticate for render-nodes");
return 0;
}
dri2_dpy->authenticated = false;
wl_drm_authenticate(dri2_dpy->wl_drm, id);
if (roundtrip(dri2_dpy) < 0)
ret = -1;
if (!dri2_dpy->authenticated)
ret = -1;
/* reset authenticated */
dri2_dpy->authenticated = true;
return ret;
}
static void
drm_handle_device(void *data, struct wl_drm *drm, const char *device)
{
struct dri2_egl_display *dri2_dpy = data;
drm_magic_t magic;
dri2_dpy->device_name = strdup(device);
if (!dri2_dpy->device_name)
return;
dri2_dpy->fd = loader_open_device(dri2_dpy->device_name);
if (dri2_dpy->fd == -1) {
_eglLog(_EGL_WARNING, "wayland-egl: could not open %s (%s)",
dri2_dpy->device_name, strerror(errno));
free(dri2_dpy->device_name);
dri2_dpy->device_name = NULL;
return;
}
if (drmGetNodeTypeFromFd(dri2_dpy->fd) == DRM_NODE_RENDER) {
dri2_dpy->authenticated = true;
} else {
if (drmGetMagic(dri2_dpy->fd, &magic)) {
close(dri2_dpy->fd);
dri2_dpy->fd = -1;
free(dri2_dpy->device_name);
dri2_dpy->device_name = NULL;
_eglLog(_EGL_WARNING, "wayland-egl: drmGetMagic failed");
return;
}
wl_drm_authenticate(dri2_dpy->wl_drm, magic);
}
}
static void
drm_handle_format(void *data, struct wl_drm *drm, uint32_t format)
{
struct dri2_egl_display *dri2_dpy = data;
int visual_idx = dri2_wl_visual_idx_from_fourcc(format);
if (visual_idx == -1)
return;
BITSET_SET(dri2_dpy->formats, visual_idx);
}
static void
drm_handle_capabilities(void *data, struct wl_drm *drm, uint32_t value)
{
struct dri2_egl_display *dri2_dpy = data;
dri2_dpy->capabilities = value;
}
static void
drm_handle_authenticated(void *data, struct wl_drm *drm)
{
struct dri2_egl_display *dri2_dpy = data;
dri2_dpy->authenticated = true;
}
static const struct wl_drm_listener drm_listener = {
.device = drm_handle_device,
.format = drm_handle_format,
.authenticated = drm_handle_authenticated,
.capabilities = drm_handle_capabilities
};
static void
dmabuf_ignore_format(void *data, struct zwp_linux_dmabuf_v1 *dmabuf,
uint32_t format)
{
/* formats are implicitly advertised by the 'modifier' event, so ignore */
}
static void
dmabuf_handle_modifier(void *data, struct zwp_linux_dmabuf_v1 *dmabuf,
uint32_t format, uint32_t modifier_hi,
uint32_t modifier_lo)
{
struct dri2_egl_display *dri2_dpy = data;
int visual_idx = dri2_wl_visual_idx_from_fourcc(format);
uint64_t *mod;
if (visual_idx == -1)
return;
BITSET_SET(dri2_dpy->formats, visual_idx);
mod = u_vector_add(&dri2_dpy->wl_modifiers[visual_idx]);
*mod = combine_u32_into_u64(modifier_hi, modifier_lo);
}
static const struct zwp_linux_dmabuf_v1_listener dmabuf_listener = {
.format = dmabuf_ignore_format,
.modifier = dmabuf_handle_modifier,
};
static void
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;
if (strcmp(interface, "wl_drm") == 0) {
dri2_dpy->wl_drm =
wl_registry_bind(registry, name, &wl_drm_interface, MIN2(version, 2));
wl_drm_add_listener(dri2_dpy->wl_drm, &drm_listener, dri2_dpy);
} else if (strcmp(interface, "zwp_linux_dmabuf_v1") == 0 && version >= 3) {
dri2_dpy->wl_dmabuf =
wl_registry_bind(registry, name, &zwp_linux_dmabuf_v1_interface,
MIN2(version, 3));
zwp_linux_dmabuf_v1_add_listener(dri2_dpy->wl_dmabuf, &dmabuf_listener,
dri2_dpy);
}
}
static void
registry_handle_global_remove(void *data, struct wl_registry *registry,
uint32_t name)
{
}
static const struct wl_registry_listener registry_listener_drm = {
.global = registry_handle_global_drm,
.global_remove = registry_handle_global_remove
};
static void
dri2_wl_setup_swap_interval(_EGLDisplay *disp)
{
/* We can't use values greater than 1 on Wayland because we are using the
* frame callback to synchronise the frame and the only way we be sure to
* get a frame callback is to attach a new buffer. Therefore we can't just
* sit drawing nothing to wait until the next ‘n’ frame callbacks */
dri2_setup_swap_interval(disp, 1);
}
static const struct dri2_egl_display_vtbl dri2_wl_display_vtbl = {
.authenticate = dri2_wl_authenticate,
.create_window_surface = dri2_wl_create_window_surface,
.create_pixmap_surface = dri2_wl_create_pixmap_surface,
.destroy_surface = dri2_wl_destroy_surface,
.create_image = dri2_create_image_khr,
.swap_buffers = dri2_wl_swap_buffers,
.swap_buffers_with_damage = dri2_wl_swap_buffers_with_damage,
.query_buffer_age = dri2_wl_query_buffer_age,
.create_wayland_buffer_from_image = dri2_wl_create_wayland_buffer_from_image,
.get_dri_drawable = dri2_surface_get_dri_drawable,
};
static const __DRIextension *dri2_loader_extensions[] = {
&dri2_loader_extension.base,
&image_loader_extension.base,
&image_lookup_extension.base,
&use_invalidate.base,
NULL,
};
static const __DRIextension *image_loader_extensions[] = {
&image_loader_extension.base,
&image_lookup_extension.base,
&use_invalidate.base,
NULL,
};
static EGLBoolean
dri2_wl_add_configs_for_visuals(_EGLDisplay *disp)
{
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
unsigned int format_count[ARRAY_SIZE(dri2_wl_visuals)] = { 0 };
unsigned int count = 0;
bool assigned;
for (unsigned i = 0; dri2_dpy->driver_configs[i]; i++) {
assigned = false;
for (unsigned j = 0; j < ARRAY_SIZE(dri2_wl_visuals); j++) {
struct dri2_egl_config *dri2_conf;
if (!BITSET_TEST(dri2_dpy->formats, j))
continue;
dri2_conf = dri2_add_config(disp, dri2_dpy->driver_configs[i],
count + 1, EGL_WINDOW_BIT, NULL, dri2_wl_visuals[j].rgba_shifts, dri2_wl_visuals[j].rgba_sizes);
if (dri2_conf) {
if (dri2_conf->base.ConfigID == count + 1)
count++;
format_count[j]++;
assigned = true;
}
}
if (!assigned && dri2_dpy->is_different_gpu) {
struct dri2_egl_config *dri2_conf;
int alt_dri_image_format, c, s;
/* No match for config. Try if we can blitImage convert to a visual */
c = dri2_wl_visual_idx_from_config(dri2_dpy,
dri2_dpy->driver_configs[i],
false);
if (c == -1)
continue;
/* Find optimal target visual for blitImage conversion, if any. */
alt_dri_image_format = dri2_wl_visuals[c].alt_dri_image_format;
s = dri2_wl_visual_idx_from_dri_image_format(alt_dri_image_format);
if (s == -1 || !BITSET_TEST(dri2_dpy->formats, s))
continue;
/* Visual s works for the Wayland server, and c can be converted into s
* by our client gpu during PRIME blitImage conversion to a linear
* wl_buffer, so add visual c as supported by the client renderer.
*/
dri2_conf = dri2_add_config(disp, dri2_dpy->driver_configs[i],
count + 1, EGL_WINDOW_BIT, NULL,
dri2_wl_visuals[c].rgba_shifts,
dri2_wl_visuals[c].rgba_sizes);
if (dri2_conf) {
if (dri2_conf->base.ConfigID == count + 1)
count++;
format_count[c]++;
if (format_count[c] == 1)
_eglLog(_EGL_DEBUG, "Client format %s to server format %s via "
"PRIME blitImage.", dri2_wl_visuals[c].format_name,
dri2_wl_visuals[s].format_name);
}
}
}
for (unsigned i = 0; i < ARRAY_SIZE(format_count); i++) {
if (!format_count[i]) {
_eglLog(_EGL_DEBUG, "No DRI config supports native format %s",
dri2_wl_visuals[i].format_name);
}
}
return (count != 0);
}
static EGLBoolean
dri2_initialize_wayland_drm(_EGLDisplay *disp)
{
_EGLDevice *dev;
struct dri2_egl_display *dri2_dpy;
dri2_dpy = calloc(1, sizeof *dri2_dpy);
if (!dri2_dpy)
return _eglError(EGL_BAD_ALLOC, "eglInitialize");
dri2_dpy->fd = -1;
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;
dri2_dpy->own_device = true;
} else {
dri2_dpy->wl_dpy = disp->PlatformDisplay;
}
dri2_dpy->wl_modifiers =
calloc(ARRAY_SIZE(dri2_wl_visuals), sizeof(*dri2_dpy->wl_modifiers));
if (!dri2_dpy->wl_modifiers)
goto cleanup;
for (int i = 0; i < ARRAY_SIZE(dri2_wl_visuals); i++) {
if (!u_vector_init_pow2(&dri2_dpy->wl_modifiers[i], 4, sizeof(uint64_t)))
goto cleanup;
}
dri2_dpy->wl_queue = wl_display_create_queue(dri2_dpy->wl_dpy);
dri2_dpy->wl_dpy_wrapper = wl_proxy_create_wrapper(dri2_dpy->wl_dpy);
if (dri2_dpy->wl_dpy_wrapper == NULL)
goto cleanup;
wl_proxy_set_queue((struct wl_proxy *) dri2_dpy->wl_dpy_wrapper,
dri2_dpy->wl_queue);
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_wrapper);
wl_registry_add_listener(dri2_dpy->wl_registry,
®istry_listener_drm, dri2_dpy);
if (roundtrip(dri2_dpy) < 0 || dri2_dpy->wl_drm == NULL)
goto cleanup;
if (roundtrip(dri2_dpy) < 0 || dri2_dpy->fd == -1)
goto cleanup;
if (!dri2_dpy->authenticated &&
(roundtrip(dri2_dpy) < 0 || !dri2_dpy->authenticated))
goto cleanup;
dri2_dpy->fd = loader_get_user_preferred_fd(dri2_dpy->fd,
&dri2_dpy->is_different_gpu);
dev = _eglAddDevice(dri2_dpy->fd, false);
if (!dev) {
_eglError(EGL_NOT_INITIALIZED, "DRI2: failed to find EGLDevice");
goto cleanup;
}
disp->Device = dev;
if (dri2_dpy->is_different_gpu) {
free(dri2_dpy->device_name);
dri2_dpy->device_name = loader_get_device_name_for_fd(dri2_dpy->fd);
if (!dri2_dpy->device_name) {
_eglError(EGL_BAD_ALLOC, "wayland-egl: failed to get device name "
"for requested GPU");
goto cleanup;
}
}
/* we have to do the check now, because loader_get_user_preferred_fd
* will return a render-node when the requested gpu is different
* to the server, but also if the client asks for the same gpu than
* the server by requesting its pci-id */
dri2_dpy->is_render_node = drmGetNodeTypeFromFd(dri2_dpy->fd) == DRM_NODE_RENDER;
dri2_dpy->driver_name = loader_get_driver_for_fd(dri2_dpy->fd);
if (dri2_dpy->driver_name == NULL) {
_eglError(EGL_BAD_ALLOC, "DRI2: failed to get driver name");
goto cleanup;
}
/* render nodes cannot use Gem names, and thus do not support
* the __DRI_DRI2_LOADER extension */
if (!dri2_dpy->is_render_node) {
dri2_dpy->loader_extensions = dri2_loader_extensions;
if (!dri2_load_driver(disp)) {
_eglError(EGL_BAD_ALLOC, "DRI2: failed to load driver");
goto cleanup;
}
} else {
dri2_dpy->loader_extensions = image_loader_extensions;
if (!dri2_load_driver_dri3(disp)) {
_eglError(EGL_BAD_ALLOC, "DRI3: failed to load driver");
goto cleanup;
}
}
if (!dri2_create_screen(disp))
goto cleanup;
if (!dri2_setup_extensions(disp))
goto cleanup;
dri2_setup_screen(disp);
dri2_wl_setup_swap_interval(disp);
/* To use Prime, we must have _DRI_IMAGE v7 at least.
* createImageFromFds support indicates that Prime export/import
* is supported by the driver. Fall back to
* gem names if we don't have Prime support. */
if (dri2_dpy->image->base.version < 7 ||
dri2_dpy->image->createImageFromFds == NULL)
dri2_dpy->capabilities &= ~WL_DRM_CAPABILITY_PRIME;
/* We cannot use Gem names with render-nodes, only prime fds (dma-buf).
* The server needs to accept them */
if (dri2_dpy->is_render_node &&
!(dri2_dpy->capabilities & WL_DRM_CAPABILITY_PRIME)) {
_eglLog(_EGL_WARNING, "wayland-egl: display is not render-node capable");
goto cleanup;
}
if (dri2_dpy->is_different_gpu &&
(dri2_dpy->image->base.version < 9 ||
dri2_dpy->image->blitImage == NULL)) {
_eglLog(_EGL_WARNING, "wayland-egl: Different GPU selected, but the "
"Image extension in the driver is not "
"compatible. Version 9 or later and blitImage() "
"are required");
goto cleanup;
}
if (!dri2_wl_add_configs_for_visuals(disp)) {
_eglError(EGL_NOT_INITIALIZED, "DRI2: failed to add configs");
goto cleanup;
}
dri2_set_WL_bind_wayland_display(disp);
/* When cannot convert EGLImage to wl_buffer when on a different gpu,
* because the buffer of the EGLImage has likely a tiling mode the server
* gpu won't support. These is no way to check for now. Thus do not support the
* extension */
if (!dri2_dpy->is_different_gpu)
disp->Extensions.WL_create_wayland_buffer_from_image = EGL_TRUE;
disp->Extensions.EXT_buffer_age = EGL_TRUE;
disp->Extensions.EXT_swap_buffers_with_damage = EGL_TRUE;
disp->Extensions.EXT_present_opaque = EGL_TRUE;
/* Fill vtbl last to prevent accidentally calling virtual function during
* initialization.
*/
dri2_dpy->vtbl = &dri2_wl_display_vtbl;
return EGL_TRUE;
cleanup:
dri2_display_destroy(disp);
return EGL_FALSE;
}
static int
dri2_wl_swrast_get_stride_for_format(int format, int w)
{
int visual_idx = dri2_wl_visual_idx_from_shm_format(format);
assume(visual_idx != -1);
return w * (dri2_wl_visuals[visual_idx].bpp / 8);
}
static EGLBoolean
dri2_wl_swrast_allocate_buffer(struct dri2_egl_surface *dri2_surf,
int format, int w, int h,
void **data, int *size,
struct wl_buffer **buffer)
{
struct dri2_egl_display *dri2_dpy =
dri2_egl_display(dri2_surf->base.Resource.Display);
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 shareable buffer */
fd = os_create_anonymous_file(size_map, NULL);
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);
wl_proxy_set_queue((struct wl_proxy *)pool, dri2_surf->wl_queue);
*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);
/* we need to do the following operations only once per frame */
if (dri2_surf->back)
return 0;
if (dri2_surf->wl_win &&
(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 */
/* There might be a buffer release already queued that wasn't processed */
wl_display_dispatch_queue_pending(dri2_dpy->wl_dpy, dri2_surf->wl_queue);
/* try get free buffer already created */
for (int 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 (int 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_surf,
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_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 = true;
/* 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 (int 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);
while (dri2_surf->throttle_callback != NULL)
if (wl_display_dispatch_queue(dri2_dpy->wl_dpy,
dri2_surf->wl_queue) == -1)
return;
if (dri2_surf->base.SwapInterval > 0) {
dri2_surf->throttle_callback =
wl_surface_frame(dri2_surf->wl_surface_wrapper);
wl_callback_add_listener(dri2_surf->throttle_callback,
&throttle_listener, dri2_surf);
}
dri2_surf->current = dri2_surf->back;
dri2_surf->back = NULL;
wl_surface_attach(dri2_surf->wl_surface_wrapper,
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_surface_wrapper,
0, 0, INT32_MAX, INT32_MAX);
wl_surface_commit(dri2_surf->wl_surface_wrapper);
/* 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_surf->wl_dpy_wrapper);
wl_callback_add_listener(dri2_surf->throttle_callback,
&throttle_listener, dri2_surf);
}
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);
}
static EGLBoolean
dri2_wl_swrast_swap_buffers(_EGLDisplay *disp, _EGLSurface *draw)
{
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
if (!dri2_surf->wl_win)
return _eglError(EGL_BAD_NATIVE_WINDOW, "dri2_swap_buffers");
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;
int visual_idx = dri2_wl_visual_idx_from_shm_format(format);
if (visual_idx == -1)
return;
BITSET_SET(dri2_dpy->formats, visual_idx);
}
static const struct wl_shm_listener shm_listener = {
.format = 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 = {
.global = registry_handle_global_swrast,
.global_remove = registry_handle_global_remove
};
static const struct dri2_egl_display_vtbl dri2_wl_swrast_display_vtbl = {
.authenticate = NULL,
.create_window_surface = dri2_wl_create_window_surface,
.create_pixmap_surface = dri2_wl_create_pixmap_surface,
.destroy_surface = dri2_wl_destroy_surface,
.create_image = dri2_create_image_khr,
.swap_buffers = dri2_wl_swrast_swap_buffers,
.get_dri_drawable = dri2_surface_get_dri_drawable,
};
static const __DRIswrastLoaderExtension swrast_loader_extension = {
.base = { __DRI_SWRAST_LOADER, 2 },
.getDrawableInfo = dri2_wl_swrast_get_drawable_info,
.putImage = dri2_wl_swrast_put_image,
.getImage = dri2_wl_swrast_get_image,
.putImage2 = dri2_wl_swrast_put_image2,
};
static const __DRIextension *swrast_loader_extensions[] = {
&swrast_loader_extension.base,
&image_lookup_extension.base,
NULL,
};
static EGLBoolean
dri2_initialize_wayland_swrast(_EGLDisplay *disp)
{
_EGLDevice *dev;
struct dri2_egl_display *dri2_dpy;
dri2_dpy = calloc(1, sizeof *dri2_dpy);
if (!dri2_dpy)
return _eglError(EGL_BAD_ALLOC, "eglInitialize");
dri2_dpy->fd = -1;
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;
dri2_dpy->own_device = true;
} else {
dri2_dpy->wl_dpy = disp->PlatformDisplay;
}
dev = _eglAddDevice(dri2_dpy->fd, true);
if (!dev) {
_eglError(EGL_NOT_INITIALIZED, "DRI2: failed to find EGLDevice");
goto cleanup;
}
disp->Device = dev;
dri2_dpy->wl_queue = wl_display_create_queue(dri2_dpy->wl_dpy);
dri2_dpy->wl_dpy_wrapper = wl_proxy_create_wrapper(dri2_dpy->wl_dpy);
if (dri2_dpy->wl_dpy_wrapper == NULL)
goto cleanup;
wl_proxy_set_queue((struct wl_proxy *) dri2_dpy->wl_dpy_wrapper,
dri2_dpy->wl_queue);
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_wrapper);
wl_registry_add_listener(dri2_dpy->wl_registry,
®istry_listener_swrast, dri2_dpy);
if (roundtrip(dri2_dpy) < 0 || dri2_dpy->wl_shm == NULL)
goto cleanup;
if (roundtrip(dri2_dpy) < 0 || !BITSET_TEST_RANGE(dri2_dpy->formats,
0, EGL_DRI2_MAX_FORMATS))
goto cleanup;
dri2_dpy->driver_name = strdup("swrast");
if (!dri2_load_driver_swrast(disp))
goto cleanup;
dri2_dpy->loader_extensions = swrast_loader_extensions;
if (!dri2_create_screen(disp))
goto cleanup;
if (!dri2_setup_extensions(disp))
goto cleanup;
dri2_setup_screen(disp);
dri2_wl_setup_swap_interval(disp);
if (!dri2_wl_add_configs_for_visuals(disp)) {
_eglError(EGL_NOT_INITIALIZED, "DRI2: failed to add configs");
goto cleanup;
}
/* Fill vtbl last to prevent accidentally calling virtual function during
* initialization.
*/
dri2_dpy->vtbl = &dri2_wl_swrast_display_vtbl;
return EGL_TRUE;
cleanup:
dri2_display_destroy(disp);
return EGL_FALSE;
}
EGLBoolean
dri2_initialize_wayland(_EGLDisplay *disp)
{
if (disp->Options.ForceSoftware)
return dri2_initialize_wayland_swrast(disp);
else
return dri2_initialize_wayland_drm(disp);
}
void
dri2_teardown_wayland(struct dri2_egl_display *dri2_dpy)
{
if (dri2_dpy->wl_drm)
wl_drm_destroy(dri2_dpy->wl_drm);
if (dri2_dpy->wl_dmabuf)
zwp_linux_dmabuf_v1_destroy(dri2_dpy->wl_dmabuf);
if (dri2_dpy->wl_shm)
wl_shm_destroy(dri2_dpy->wl_shm);
if (dri2_dpy->wl_registry)
wl_registry_destroy(dri2_dpy->wl_registry);
if (dri2_dpy->wl_queue)
wl_event_queue_destroy(dri2_dpy->wl_queue);
if (dri2_dpy->wl_dpy_wrapper)
wl_proxy_wrapper_destroy(dri2_dpy->wl_dpy_wrapper);
for (int i = 0; dri2_dpy->wl_modifiers && i < ARRAY_SIZE(dri2_wl_visuals); i++)
u_vector_finish(&dri2_dpy->wl_modifiers[i]);
free(dri2_dpy->wl_modifiers);
if (dri2_dpy->own_device)
wl_display_disconnect(dri2_dpy->wl_dpy);
}