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Merge pull request #182 from ascent12/drm-multi-gpu 

DRM Multi-GPU
This commit is contained in:
Drew DeVault 2017-10-02 08:46:06 -04:00 committed by GitHub
parent aa8a4f12b7 9ec9edc40d
commit 87a0cb7ba3
22 changed files with 974 additions and 737 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
backend/backend.c
View File

@ -91,15 +91,9 @@ struct wlr_backend *wlr_backend_autocreate(struct wl_display *display) {
return NULL; return NULL;
} }
int gpu = wlr_session_find_gpu(session);
if (gpu == -1) {
wlr_log(L_ERROR, "Failed to open DRM device");
goto error_session;
}
backend = wlr_multi_backend_create(session); backend = wlr_multi_backend_create(session);
if (!backend) { if (!backend) {
goto error_gpu; goto error_session;
} }
struct wlr_backend *libinput = wlr_libinput_backend_create(display, session); struct wlr_backend *libinput = wlr_libinput_backend_create(display, session);
@ -107,21 +101,37 @@ struct wlr_backend *wlr_backend_autocreate(struct wl_display *display) {
goto error_multi; goto error_multi;
} }
struct wlr_backend *drm = wlr_drm_backend_create(display, session, gpu); wlr_multi_backend_add(backend, libinput);
int gpus[8];
size_t num_gpus = wlr_session_find_gpus(session, 8, gpus);
struct wlr_backend *primary_drm = NULL;
wlr_log(L_INFO, "Found %zu GPUs", num_gpus);
for (size_t i = 0; i < num_gpus; ++i) {
struct wlr_backend *drm = wlr_drm_backend_create(display, session,
gpus[i], primary_drm);
if (!drm) { if (!drm) {
goto error_libinput; wlr_log(L_ERROR, "Failed to open DRM device");
continue;
}
if (!primary_drm) {
primary_drm = drm;
} }
wlr_multi_backend_add(backend, libinput);
wlr_multi_backend_add(backend, drm); wlr_multi_backend_add(backend, drm);
}
if (!primary_drm) {
wlr_log(L_ERROR, "Failed to open any DRM device");
goto error_multi;
}
return backend; return backend;
error_libinput:
wlr_backend_destroy(libinput);
error_multi: error_multi:
wlr_backend_destroy(backend); wlr_backend_destroy(backend);
error_gpu:
wlr_session_close_file(session, gpu);
error_session: error_session:
wlr_session_destroy(session); wlr_session_destroy(session);
return NULL; return NULL;

59
backend/drm/drm-atomic.c → backend/drm/atomic.c
View File

@ -2,8 +2,9 @@
#include <xf86drm.h> #include <xf86drm.h>
#include <xf86drmMode.h> #include <xf86drmMode.h>
#include <wlr/util/log.h> #include <wlr/util/log.h>
#include "backend/drm.h" #include "backend/drm/drm.h"
#include "backend/drm-util.h" #include "backend/drm/iface.h"
#include "backend/drm/util.h"
struct atomic { struct atomic {
drmModeAtomicReq *req; drmModeAtomicReq *req;
@ -43,23 +44,23 @@ static bool atomic_end(int drm_fd, struct atomic *atom) {
} }
static bool atomic_commit(int drm_fd, struct atomic *atom, static bool atomic_commit(int drm_fd, struct atomic *atom,
struct wlr_drm_output *output, uint32_t flag, bool modeset) { struct wlr_drm_connector *conn, uint32_t flag, bool modeset) {
if (atom->failed) { if (atom->failed) {
return false; return false;
} }
uint32_t flags = DRM_MODE_PAGE_FLIP_EVENT | flag; uint32_t flags = DRM_MODE_PAGE_FLIP_EVENT | flag;
int ret = drmModeAtomicCommit(drm_fd, atom->req, flags, output); int ret = drmModeAtomicCommit(drm_fd, atom->req, flags, conn);
if (ret) { if (ret) {
wlr_log_errno(L_ERROR, "%s: Atomic commit failed (%s)", wlr_log_errno(L_ERROR, "%s: Atomic commit failed (%s)",
output->output.name, modeset ? "modeset" : "pageflip"); conn->output.name, modeset ? "modeset" : "pageflip");
// Try to commit without new changes // Try to commit without new changes
drmModeAtomicSetCursor(atom->req, atom->cursor); drmModeAtomicSetCursor(atom->req, atom->cursor);
if (drmModeAtomicCommit(drm_fd, atom->req, flags, output)) { if (drmModeAtomicCommit(drm_fd, atom->req, flags, conn)) {
wlr_log_errno(L_ERROR, "%s: Atomic commit failed (%s)", wlr_log_errno(L_ERROR, "%s: Atomic commit failed (%s)",
output->output.name, modeset ? "modeset" : "pageflip"); conn->output.name, modeset ? "modeset" : "pageflip");
} }
} }
@ -83,10 +84,10 @@ static void set_plane_props(struct atomic *atom, struct wlr_drm_plane *plane,
// The src_* properties are in 16.16 fixed point // The src_* properties are in 16.16 fixed point
atomic_add(atom, id, props->src_x, 0); atomic_add(atom, id, props->src_x, 0);
atomic_add(atom, id, props->src_y, 0); atomic_add(atom, id, props->src_y, 0);
atomic_add(atom, id, props->src_w, plane->width << 16); atomic_add(atom, id, props->src_w, plane->surf.width << 16);
atomic_add(atom, id, props->src_h, plane->height << 16); atomic_add(atom, id, props->src_h, plane->surf.height << 16);
atomic_add(atom, id, props->crtc_w, plane->width); atomic_add(atom, id, props->crtc_w, plane->surf.width);
atomic_add(atom, id, props->crtc_h, plane->height); atomic_add(atom, id, props->crtc_h, plane->surf.height);
atomic_add(atom, id, props->fb_id, fb_id); atomic_add(atom, id, props->fb_id, fb_id);
atomic_add(atom, id, props->crtc_id, crtc_id); atomic_add(atom, id, props->crtc_id, crtc_id);
if (set_crtc_xy) { if (set_crtc_xy) {
@ -95,16 +96,16 @@ static void set_plane_props(struct atomic *atom, struct wlr_drm_plane *plane,
} }
} }
static bool atomic_crtc_pageflip(struct wlr_drm_backend *backend, static bool atomic_crtc_pageflip(struct wlr_drm_backend *drm,
struct wlr_drm_output *output, struct wlr_drm_connector *conn,
struct wlr_drm_crtc *crtc, struct wlr_drm_crtc *crtc,
uint32_t fb_id, drmModeModeInfo *mode) { uint32_t fb_id, drmModeModeInfo *mode) {
if (mode) { if (mode) {
if (crtc->mode_id) { if (crtc->mode_id) {
drmModeDestroyPropertyBlob(backend->fd, crtc->mode_id); drmModeDestroyPropertyBlob(drm->fd, crtc->mode_id);
} }
if (drmModeCreatePropertyBlob(backend->fd, mode, sizeof(*mode), &crtc->mode_id)) { if (drmModeCreatePropertyBlob(drm->fd, mode, sizeof(*mode), &crtc->mode_id)) {
wlr_log_errno(L_ERROR, "Unable to create property blob"); wlr_log_errno(L_ERROR, "Unable to create property blob");
return false; return false;
} }
@ -113,29 +114,29 @@ static bool atomic_crtc_pageflip(struct wlr_drm_backend *backend,
struct atomic atom; struct atomic atom;
atomic_begin(crtc, &atom); atomic_begin(crtc, &atom);
atomic_add(&atom, output->connector, output->props.crtc_id, crtc->id); atomic_add(&atom, conn->id, conn->props.crtc_id, crtc->id);
atomic_add(&atom, crtc->id, crtc->props.mode_id, crtc->mode_id); atomic_add(&atom, crtc->id, crtc->props.mode_id, crtc->mode_id);
atomic_add(&atom, crtc->id, crtc->props.active, 1); atomic_add(&atom, crtc->id, crtc->props.active, 1);
set_plane_props(&atom, crtc->primary, crtc->id, fb_id, true); set_plane_props(&atom, crtc->primary, crtc->id, fb_id, true);
return atomic_commit(backend->fd, &atom, output, return atomic_commit(drm->fd, &atom, conn,
mode ? DRM_MODE_ATOMIC_ALLOW_MODESET : DRM_MODE_ATOMIC_NONBLOCK, mode ? DRM_MODE_ATOMIC_ALLOW_MODESET : DRM_MODE_ATOMIC_NONBLOCK,
mode); mode);
} }
static void atomic_conn_enable(struct wlr_drm_backend *backend, static void atomic_conn_enable(struct wlr_drm_backend *drm,
struct wlr_drm_output *output, bool enable) { struct wlr_drm_connector *conn, bool enable) {
struct wlr_drm_crtc *crtc = output->crtc; struct wlr_drm_crtc *crtc = conn->crtc;
struct atomic atom; struct atomic atom;
atomic_begin(crtc, &atom); atomic_begin(crtc, &atom);
atomic_add(&atom, crtc->id, crtc->props.active, enable); atomic_add(&atom, crtc->id, crtc->props.active, enable);
atomic_end(backend->fd, &atom); atomic_end(drm->fd, &atom);
} }
bool legacy_crtc_set_cursor(struct wlr_drm_backend *backend, bool legacy_crtc_set_cursor(struct wlr_drm_backend *drm,
struct wlr_drm_crtc *crtc, struct gbm_bo *bo); struct wlr_drm_crtc *crtc, struct gbm_bo *bo);
static bool atomic_crtc_set_cursor(struct wlr_drm_backend *backend, static bool atomic_crtc_set_cursor(struct wlr_drm_backend *drm,
struct wlr_drm_crtc *crtc, struct gbm_bo *bo) { struct wlr_drm_crtc *crtc, struct gbm_bo *bo) {
if (!crtc || !crtc->cursor) { if (!crtc || !crtc->cursor) {
return true; return true;
@ -144,7 +145,7 @@ static bool atomic_crtc_set_cursor(struct wlr_drm_backend *backend,
struct wlr_drm_plane *plane = crtc->cursor; struct wlr_drm_plane *plane = crtc->cursor;
// We can't use atomic operations on fake planes // We can't use atomic operations on fake planes
if (plane->id == 0) { if (plane->id == 0) {
return legacy_crtc_set_cursor(backend, crtc, bo); return legacy_crtc_set_cursor(drm, crtc, bo);
} }
struct atomic atom; struct atomic atom;
@ -158,18 +159,18 @@ static bool atomic_crtc_set_cursor(struct wlr_drm_backend *backend,
atomic_add(&atom, plane->id, plane->props.crtc_id, 0); atomic_add(&atom, plane->id, plane->props.crtc_id, 0);
} }
return atomic_end(backend->fd, &atom); return atomic_end(drm->fd, &atom);
} }
bool legacy_crtc_move_cursor(struct wlr_drm_backend *backend, bool legacy_crtc_move_cursor(struct wlr_drm_backend *drm,
struct wlr_drm_crtc *crtc, int x, int y); struct wlr_drm_crtc *crtc, int x, int y);
static bool atomic_crtc_move_cursor(struct wlr_drm_backend *backend, static bool atomic_crtc_move_cursor(struct wlr_drm_backend *drm,
struct wlr_drm_crtc *crtc, int x, int y) { struct wlr_drm_crtc *crtc, int x, int y) {
struct wlr_drm_plane *plane = crtc->cursor; struct wlr_drm_plane *plane = crtc->cursor;
// We can't use atomic operations on fake planes // We can't use atomic operations on fake planes
if (plane->id == 0) { if (plane->id == 0) {
return legacy_crtc_move_cursor(backend, crtc, x, y); return legacy_crtc_move_cursor(drm, crtc, x, y);
} }
struct atomic atom; struct atomic atom;
@ -177,7 +178,7 @@ static bool atomic_crtc_move_cursor(struct wlr_drm_backend *backend,
atomic_begin(crtc, &atom); atomic_begin(crtc, &atom);
atomic_add(&atom, plane->id, plane->props.crtc_x, x); atomic_add(&atom, plane->id, plane->props.crtc_x, x);
atomic_add(&atom, plane->id, plane->props.crtc_y, y); atomic_add(&atom, plane->id, plane->props.crtc_y, y);
return atomic_end(backend->fd, &atom); return atomic_end(drm->fd, &atom);
} }
const struct wlr_drm_interface atomic_iface = { const struct wlr_drm_interface atomic_iface = {

120
backend/drm/backend.c
View File

@ -6,45 +6,45 @@
#include <assert.h> #include <assert.h>
#include <wayland-server.h> #include <wayland-server.h>
#include <xf86drm.h> #include <xf86drm.h>
#include <sys/stat.h>
#include <wlr/backend/session.h> #include <wlr/backend/session.h>
#include <wlr/backend/interface.h> #include <wlr/backend/interface.h>
#include <wlr/interfaces/wlr_output.h> #include <wlr/interfaces/wlr_output.h>
#include <wlr/util/list.h> #include <wlr/util/list.h>
#include <wlr/util/log.h> #include <wlr/util/log.h>
#include <wlr/egl.h> #include <wlr/egl.h>
#include "backend/drm.h" #include "backend/drm/drm.h"
static bool wlr_drm_backend_start(struct wlr_backend *_backend) { static bool wlr_drm_backend_start(struct wlr_backend *backend) {
struct wlr_drm_backend *backend = (struct wlr_drm_backend *)_backend; struct wlr_drm_backend *drm = (struct wlr_drm_backend *)backend;
wlr_drm_scan_connectors(backend); wlr_drm_scan_connectors(drm);
return true; return true;
} }
static void wlr_drm_backend_destroy(struct wlr_backend *_backend) { static void wlr_drm_backend_destroy(struct wlr_backend *backend) {
if (!_backend) { if (!backend) {
return; return;
} }
struct wlr_drm_backend *backend = (struct wlr_drm_backend *)_backend;
wlr_drm_restore_outputs(backend); struct wlr_drm_backend *drm = (struct wlr_drm_backend *)backend;
for (size_t i = 0; backend->outputs && i < backend->outputs->length; ++i) { wlr_drm_restore_outputs(drm);
struct wlr_drm_output *output = backend->outputs->items[i];
wlr_output_destroy(&output->output); for (size_t i = 0; drm->outputs && i < drm->outputs->length; ++i) {
struct wlr_drm_connector *conn = drm->outputs->items[i];
wlr_output_destroy(&conn->output);
} }
wlr_drm_renderer_free(&backend->renderer); wlr_drm_renderer_finish(&drm->renderer);
wlr_drm_resources_free(backend); wlr_drm_resources_free(drm);
wlr_session_close_file(backend->session, backend->fd); wlr_session_close_file(drm->session, drm->fd);
wl_event_source_remove(backend->drm_event); wl_event_source_remove(drm->drm_event);
list_free(backend->outputs); list_free(drm->outputs);
free(backend); free(drm);
} }
static struct wlr_egl *wlr_drm_backend_get_egl(struct wlr_backend *_backend) { static struct wlr_egl *wlr_drm_backend_get_egl(struct wlr_backend *backend) {
struct wlr_drm_backend *backend = (struct wlr_drm_backend *)_backend; struct wlr_drm_backend *drm = (struct wlr_drm_backend *)backend;
return &backend->renderer.egl; return &drm->renderer.egl;
} }
static struct wlr_backend_impl backend_impl = { static struct wlr_backend_impl backend_impl = {
@ -58,23 +58,22 @@ bool wlr_backend_is_drm(struct wlr_backend *b) {
} }
static void session_signal(struct wl_listener *listener, void *data) { static void session_signal(struct wl_listener *listener, void *data) {
struct wlr_drm_backend *backend = struct wlr_drm_backend *drm = wl_container_of(listener, drm, session_signal);
wl_container_of(listener, backend, session_signal);
struct wlr_session *session = data; struct wlr_session *session = data;
if (session->active) { if (session->active) {
wlr_log(L_INFO, "DRM fd resumed"); wlr_log(L_INFO, "DRM fd resumed");
for (size_t i = 0; i < backend->outputs->length; ++i) { for (size_t i = 0; i < drm->outputs->length; ++i) {
struct wlr_drm_output *output = backend->outputs->items[i]; struct wlr_drm_connector *conn = drm->outputs->items[i];
wlr_drm_output_start_renderer(output); wlr_drm_connector_start_renderer(conn);
if (!output->crtc) { if (!conn->crtc) {
continue; continue;
} }
struct wlr_drm_plane *plane = output->crtc->cursor; struct wlr_drm_plane *plane = conn->crtc->cursor;
backend->iface->crtc_set_cursor(backend, output->crtc, drm->iface->crtc_set_cursor(drm, conn->crtc,
plane ? plane->cursor_bo : NULL); plane ? plane->cursor_bo : NULL);
} }
} else { } else {
@ -83,19 +82,19 @@ static void session_signal(struct wl_listener *listener, void *data) {
} }
static void drm_invalidated(struct wl_listener *listener, void *data) { static void drm_invalidated(struct wl_listener *listener, void *data) {
struct wlr_drm_backend *backend = struct wlr_drm_backend *drm = wl_container_of(listener, drm, drm_invalidated);
wl_container_of(listener, backend, drm_invalidated);
char *name = drmGetDeviceNameFromFd2(backend->fd); char *name = drmGetDeviceNameFromFd2(drm->fd);
wlr_log(L_DEBUG, "%s invalidated", name); wlr_log(L_DEBUG, "%s invalidated", name);
free(name); free(name);
wlr_drm_scan_connectors(backend); wlr_drm_scan_connectors(drm);
} }
struct wlr_backend *wlr_drm_backend_create(struct wl_display *display, struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
struct wlr_session *session, int gpu_fd) { struct wlr_session *session, int gpu_fd, struct wlr_backend *parent) {
assert(display && session && gpu_fd >= 0); assert(display && session && gpu_fd >= 0);
assert(!parent || wlr_backend_is_drm(parent));
char *name = drmGetDeviceNameFromFd2(gpu_fd); char *name = drmGetDeviceNameFromFd2(gpu_fd);
drmVersion *version = drmGetVersion(gpu_fd); drmVersion *version = drmGetVersion(gpu_fd);
@ -103,69 +102,64 @@ struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
free(name); free(name);
drmFreeVersion(version); drmFreeVersion(version);
struct wlr_drm_backend *backend = calloc(1, sizeof(struct wlr_drm_backend)); struct wlr_drm_backend *drm = calloc(1, sizeof(struct wlr_drm_backend));
if (!backend) { if (!drm) {
wlr_log_errno(L_ERROR, "Allocation failed"); wlr_log_errno(L_ERROR, "Allocation failed");
return NULL; return NULL;
} }
wlr_backend_init(&backend->backend, &backend_impl); wlr_backend_init(&drm->backend, &backend_impl);
backend->session = session; drm->session = session;
backend->outputs = list_create(); drm->outputs = list_create();
if (!backend->outputs) { if (!drm->outputs) {
wlr_log(L_ERROR, "Failed to allocate list"); wlr_log(L_ERROR, "Failed to allocate list");
goto error_backend; goto error_backend;
} }
backend->fd = gpu_fd; drm->fd = gpu_fd;
drm->parent = (struct wlr_drm_backend *)parent;
struct stat st; drm->drm_invalidated.notify = drm_invalidated;
if (fstat(backend->fd, &st) < 0) { wlr_session_signal_add(session, gpu_fd, &drm->drm_invalidated);
wlr_log_errno(L_ERROR, "Stat failed");
}
backend->dev = st.st_rdev;
backend->drm_invalidated.notify = drm_invalidated; drm->display = display;
wlr_session_signal_add(session, gpu_fd, &backend->drm_invalidated);
backend->display = display;
struct wl_event_loop *event_loop = wl_display_get_event_loop(display); struct wl_event_loop *event_loop = wl_display_get_event_loop(display);
backend->drm_event = wl_event_loop_add_fd(event_loop, backend->fd, drm->drm_event = wl_event_loop_add_fd(event_loop, drm->fd,
WL_EVENT_READABLE, wlr_drm_event, NULL); WL_EVENT_READABLE, wlr_drm_event, NULL);
if (!backend->drm_event) { if (!drm->drm_event) {
wlr_log(L_ERROR, "Failed to create DRM event source"); wlr_log(L_ERROR, "Failed to create DRM event source");
goto error_fd; goto error_fd;
} }
backend->session_signal.notify = session_signal; drm->session_signal.notify = session_signal;
wl_signal_add(&session->session_signal, &backend->session_signal); wl_signal_add(&session->session_signal, &drm->session_signal);
if (!wlr_drm_check_features(backend)) { if (!wlr_drm_check_features(drm)) {
goto error_event; goto error_event;
} }
if (!wlr_drm_resources_init(backend)) { if (!wlr_drm_resources_init(drm)) {
goto error_event; goto error_event;
} }
if (!wlr_drm_renderer_init(&backend->renderer, backend->fd)) { if (!wlr_drm_renderer_init(drm, &drm->renderer)) {
wlr_log(L_ERROR, "Failed to initialize renderer"); wlr_log(L_ERROR, "Failed to initialize renderer");
goto error_event; goto error_event;
} }
if (!wlr_egl_bind_display(&backend->renderer.egl, display)) { if (!wlr_egl_bind_display(&drm->renderer.egl, display)) {
wlr_log(L_INFO, "Failed to bind egl/wl display: %s", egl_error()); wlr_log(L_INFO, "Failed to bind egl/wl display: %s", egl_error());
} }
return &backend->backend; return &drm->backend;
error_event: error_event:
wl_event_source_remove(backend->drm_event); wl_event_source_remove(drm->drm_event);
error_fd: error_fd:
wlr_session_close_file(backend->session, backend->fd); wlr_session_close_file(drm->session, drm->fd);
list_free(backend->outputs); list_free(drm->outputs);
error_backend: error_backend:
free(backend); free(drm);
return NULL; return NULL;
} }

65
backend/drm/drm-legacy.c
View File

@ -1,65 +0,0 @@
#include <gbm.h>
#include <xf86drm.h>
#include <xf86drmMode.h>
#include <wlr/util/log.h>
#include "backend/drm.h"
#include "backend/drm-util.h"
static bool legacy_crtc_pageflip(struct wlr_drm_backend *backend,
struct wlr_drm_output *output, struct wlr_drm_crtc *crtc,
uint32_t fb_id, drmModeModeInfo *mode) {
if (mode) {
if (drmModeSetCrtc(backend->fd, crtc->id, fb_id, 0, 0,
&output->connector, 1, mode)) {
wlr_log_errno(L_ERROR, "%s: Failed to set CRTC", output->output.name);
return false;
}
}
if (drmModePageFlip(backend->fd, crtc->id, fb_id, DRM_MODE_PAGE_FLIP_EVENT, output)) {
wlr_log_errno(L_ERROR, "%s: Failed to page flip", output->output.name);
return false;
}
return true;
}
static void legacy_conn_enable(struct wlr_drm_backend *backend,
struct wlr_drm_output *output, bool enable) {
drmModeConnectorSetProperty(backend->fd, output->connector, output->props.dpms,
enable ? DRM_MODE_DPMS_ON : DRM_MODE_DPMS_OFF);
}
bool legacy_crtc_set_cursor(struct wlr_drm_backend *backend,
struct wlr_drm_crtc *crtc, struct gbm_bo *bo) {
if (!crtc || !crtc->cursor) {
return true;
}
if (!bo) {
drmModeSetCursor(backend->fd, crtc->id, 0, 0, 0);
return true;
}
struct wlr_drm_plane *plane = crtc->cursor;
if (drmModeSetCursor(backend->fd, crtc->id, gbm_bo_get_handle(bo).u32,
plane->width, plane->height)) {
wlr_log_errno(L_ERROR, "Failed to set hardware cursor");
return false;
}
return true;
}
bool legacy_crtc_move_cursor(struct wlr_drm_backend *backend,
struct wlr_drm_crtc *crtc, int x, int y) {
return !drmModeMoveCursor(backend->fd, crtc->id, x, y);
}
const struct wlr_drm_interface legacy_iface = {
.conn_enable = legacy_conn_enable,
.crtc_pageflip = legacy_crtc_pageflip,
.crtc_set_cursor = legacy_crtc_set_cursor,
.crtc_move_cursor = legacy_crtc_move_cursor,
};

790
backend/drm/drm.c
View File

File diff suppressed because it is too large Load Diff

66
backend/drm/legacy.c Normal file
View File

@ -0,0 +1,66 @@
#include <gbm.h>
#include <xf86drm.h>
#include <xf86drmMode.h>
#include <wlr/util/log.h>
#include "backend/drm/drm.h"
#include "backend/drm/iface.h"
#include "backend/drm/util.h"
static bool legacy_crtc_pageflip(struct wlr_drm_backend *drm,
struct wlr_drm_connector *conn, struct wlr_drm_crtc *crtc,
uint32_t fb_id, drmModeModeInfo *mode) {
if (mode) {
if (drmModeSetCrtc(drm->fd, crtc->id, fb_id, 0, 0,
&conn->id, 1, mode)) {
wlr_log_errno(L_ERROR, "%s: Failed to set CRTC", conn->output.name);
return false;
}
}
if (drmModePageFlip(drm->fd, crtc->id, fb_id, DRM_MODE_PAGE_FLIP_EVENT, conn)) {
wlr_log_errno(L_ERROR, "%s: Failed to page flip", conn->output.name);
return false;
}
return true;
}
static void legacy_conn_enable(struct wlr_drm_backend *drm,
struct wlr_drm_connector *conn, bool enable) {
drmModeConnectorSetProperty(drm->fd, conn->id, conn->props.dpms,
enable ? DRM_MODE_DPMS_ON : DRM_MODE_DPMS_OFF);
}
bool legacy_crtc_set_cursor(struct wlr_drm_backend *drm,
struct wlr_drm_crtc *crtc, struct gbm_bo *bo) {
if (!crtc || !crtc->cursor) {
return true;
}
if (!bo) {
drmModeSetCursor(drm->fd, crtc->id, 0, 0, 0);
return true;
}
struct wlr_drm_plane *plane = crtc->cursor;
if (drmModeSetCursor(drm->fd, crtc->id, gbm_bo_get_handle(bo).u32,
plane->surf.width, plane->surf.height)) {
wlr_log_errno(L_ERROR, "Failed to set hardware cursor");
return false;
}
return true;
}
bool legacy_crtc_move_cursor(struct wlr_drm_backend *drm,
struct wlr_drm_crtc *crtc, int x, int y) {
return !drmModeMoveCursor(drm->fd, crtc->id, x, y);
}
const struct wlr_drm_interface legacy_iface = {
.conn_enable = legacy_conn_enable,
.crtc_pageflip = legacy_crtc_pageflip,
.crtc_set_cursor = legacy_crtc_set_cursor,
.crtc_move_cursor = legacy_crtc_move_cursor,
};

2
backend/drm/drm-properties.c → backend/drm/properties.c
View File

@ -5,7 +5,7 @@
#include <xf86drm.h> #include <xf86drm.h>
#include <xf86drmMode.h> #include <xf86drmMode.h>
#include <wlr/util/log.h> #include <wlr/util/log.h>
#include "backend/drm-properties.h" #include "backend/drm/properties.h"
/* /*
* Creates a mapping between property names and an array index where to store * Creates a mapping between property names and an array index where to store

250
backend/drm/renderer.c Normal file
View File

@ -0,0 +1,250 @@
#include <stdbool.h>
#include <stdlib.h>
#include <unistd.h>
#include <gbm.h>
#include <GLES2/gl2.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <wayland-util.h>
#include <wlr/egl.h>
#include <wlr/util/log.h>
#include <wlr/render/matrix.h>
#include <wlr/render/gles2.h>
#include <wlr/render.h>
#include "backend/drm/drm.h"
bool wlr_drm_renderer_init(struct wlr_drm_backend *drm,
struct wlr_drm_renderer *renderer) {
renderer->gbm = gbm_create_device(drm->fd);
if (!renderer->gbm) {
wlr_log(L_ERROR, "Failed to create GBM device");
return false;
}
if (!wlr_egl_init(&renderer->egl, EGL_PLATFORM_GBM_MESA,
GBM_FORMAT_ARGB8888, renderer->gbm)) {
goto error_gbm;
}
renderer->wlr_rend = wlr_gles2_renderer_create(&drm->backend);
if (!renderer->wlr_rend) {
wlr_log(L_ERROR, "Failed to create WLR renderer");
goto error_egl;
}
renderer->fd = drm->fd;
return true;
error_egl:
wlr_egl_free(&renderer->egl);
error_gbm:
gbm_device_destroy(renderer->gbm);
return false;
}
void wlr_drm_renderer_finish(struct wlr_drm_renderer *renderer) {
if (!renderer) {
return;
}
wlr_renderer_destroy(renderer->wlr_rend);
wlr_egl_free(&renderer->egl);
gbm_device_destroy(renderer->gbm);
}
bool wlr_drm_surface_init(struct wlr_drm_surface *surf,
struct wlr_drm_renderer *renderer, uint32_t width, uint32_t height,
uint32_t format, uint32_t flags) {
if (surf->width == width && surf->height == height) {
return true;
}
surf->renderer = renderer;
surf->width = width;
surf->height = height;
surf->gbm = gbm_surface_create(renderer->gbm, width, height,
format, GBM_BO_USE_RENDERING | flags);
if (!surf->gbm) {
wlr_log_errno(L_ERROR, "Failed to create GBM surface");
goto error_zero;
}
surf->egl = wlr_egl_create_surface(&renderer->egl, surf->gbm);
if (surf->egl == EGL_NO_SURFACE) {
wlr_log(L_ERROR, "Failed to create EGL surface");
goto error_gbm;
}
return true;
error_gbm:
gbm_surface_destroy(surf->gbm);
error_zero:
memset(surf, 0, sizeof(*surf));
return false;
}
void wlr_drm_surface_finish(struct wlr_drm_surface *surf) {
if (!surf || !surf->renderer) {
return;
}
eglMakeCurrent(surf->renderer->egl.display, EGL_NO_SURFACE, EGL_NO_SURFACE,
EGL_NO_CONTEXT);
if (surf->front) {
gbm_surface_release_buffer(surf->gbm, surf->front);
}
if (surf->back) {
gbm_surface_release_buffer(surf->gbm, surf->back);
}
if (surf->egl) {
eglDestroySurface(surf->renderer->egl.display, surf->egl);
}
if (surf->gbm) {
gbm_surface_destroy(surf->gbm);
}
memset(surf, 0, sizeof(*surf));
}
void wlr_drm_surface_make_current(struct wlr_drm_surface *surf) {
eglMakeCurrent(surf->renderer->egl.display, surf->egl, surf->egl,
surf->renderer->egl.context);
}
struct gbm_bo *wlr_drm_surface_swap_buffers(struct wlr_drm_surface *surf) {
if (surf->front) {
gbm_surface_release_buffer(surf->gbm, surf->front);
}
eglSwapBuffers(surf->renderer->egl.display, surf->egl);
surf->front = surf->back;
surf->back = gbm_surface_lock_front_buffer(surf->gbm);
return surf->back;
}
struct gbm_bo *wlr_drm_surface_get_front(struct wlr_drm_surface *surf) {
if (surf->front) {
return surf->front;
}
wlr_drm_surface_make_current(surf);
glViewport(0, 0, surf->width, surf->height);
glClearColor(0.0, 0.0, 0.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
return wlr_drm_surface_swap_buffers(surf);
}
void wlr_drm_surface_post(struct wlr_drm_surface *surf) {
if (surf->front) {
gbm_surface_release_buffer(surf->gbm, surf->front);
surf->front = NULL;
}
}
struct tex {
struct wlr_egl *egl;
EGLImageKHR img;
struct wlr_texture *tex;
};
static void free_eglimage(struct gbm_bo *bo, void *data) {
struct tex *tex = data;
wlr_egl_destroy_image(tex->egl, tex->img);
wlr_texture_destroy(tex->tex);
free(tex);
}
static struct wlr_texture *get_tex_for_bo(struct wlr_drm_renderer *renderer, struct gbm_bo *bo) {
struct tex *tex = gbm_bo_get_user_data(bo);
if (tex) {
return tex->tex;
}
tex = malloc(sizeof(*tex));
if (!tex) {
wlr_log_errno(L_ERROR, "Allocation failed");
return NULL;
}
tex->egl = &renderer->egl;
int dmabuf_fd = gbm_bo_get_fd(bo);
uint32_t width = gbm_bo_get_width(bo);
uint32_t height = gbm_bo_get_height(bo);
EGLint attribs[] = {
EGL_WIDTH, width,
EGL_HEIGHT, height,
EGL_LINUX_DRM_FOURCC_EXT, gbm_bo_get_format(bo),
EGL_DMA_BUF_PLANE0_FD_EXT, dmabuf_fd,
EGL_DMA_BUF_PLANE0_OFFSET_EXT, gbm_bo_get_offset(bo, 0),
EGL_DMA_BUF_PLANE0_PITCH_EXT, gbm_bo_get_stride_for_plane(bo, 0),
EGL_IMAGE_PRESERVED_KHR, EGL_FALSE,
EGL_NONE,
};
tex->img = renderer->egl.eglCreateImageKHR(renderer->egl.display, EGL_NO_CONTEXT,
EGL_LINUX_DMA_BUF_EXT, NULL, attribs);
if (!tex->img) {
wlr_log(L_ERROR, "Failed to create EGL image: %s", egl_error());
abort();
}
tex->tex = wlr_render_texture_create(renderer->wlr_rend);
wlr_texture_upload_eglimage(tex->tex, tex->img, width, height);
gbm_bo_set_user_data(bo, tex, free_eglimage);
return tex->tex;
}
struct gbm_bo *wlr_drm_surface_mgpu_copy(struct wlr_drm_surface *dest, struct gbm_bo *src) {
wlr_drm_surface_make_current(dest);
struct wlr_texture *tex = get_tex_for_bo(dest->renderer, src);
static const float matrix[16] = {
[0] = 2.0f,
[3] = -1.0f,
[5] = 2.0f,
[7] = -1.0f,
[10] = 1.0f,
[15] = 1.0f,
};
glViewport(0, 0, dest->width, dest->height);
glClearColor(0.0, 0.0, 0.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
wlr_render_with_matrix(dest->renderer->wlr_rend, tex, &matrix);
return wlr_drm_surface_swap_buffers(dest);
}
bool wlr_drm_plane_surfaces_init(struct wlr_drm_plane *plane, struct wlr_drm_backend *drm,
int32_t width, uint32_t height, uint32_t format) {
if (!drm->parent) {
return wlr_drm_surface_init(&plane->surf, &drm->renderer, width, height,
format, GBM_BO_USE_SCANOUT);
}
if (!wlr_drm_surface_init(&plane->surf, &drm->parent->renderer,
width, height, format, GBM_BO_USE_LINEAR)) {
return false;
}
if (!wlr_drm_surface_init(&plane->mgpu_surf, &drm->renderer,
width, height, format, GBM_BO_USE_SCANOUT)) {
wlr_drm_surface_finish(&plane->surf);
return false;
}
return true;
}

2
backend/drm/drm-util.c → backend/drm/util.c
View File

@ -3,7 +3,7 @@
#include <drm.h> #include <drm.h>
#include <drm_mode.h> #include <drm_mode.h>
#include <gbm.h> #include <gbm.h>
#include "backend/drm-util.h" #include "backend/drm/util.h"
#include <wlr/util/log.h> #include <wlr/util/log.h>
int32_t calculate_refresh_rate(drmModeModeInfo *mode) { int32_t calculate_refresh_rate(drmModeModeInfo *mode) {

9
backend/meson.build
View File

@ -3,12 +3,13 @@ backend_files = files(
'session/direct-ipc.c', 'session/direct-ipc.c',
'session/direct.c', 'session/direct.c',
'session/session.c', 'session/session.c',
'drm/atomic.c',
'drm/backend.c', 'drm/backend.c',
'drm/drm.c', 'drm/drm.c',
'drm/drm-atomic.c', 'drm/legacy.c',
'drm/drm-legacy.c', 'drm/properties.c',
'drm/drm-properties.c', 'drm/renderer.c',
'drm/drm-util.c', 'drm/util.c',
'libinput/backend.c', 'libinput/backend.c',
'libinput/events.c', 'libinput/events.c',
'libinput/keyboard.c', 'libinput/keyboard.c',

87
backend/session/session.c
View File

@ -1,7 +1,8 @@
#define _POSIX_C_SOURCE 200809L
#include <assert.h> #include <assert.h>
#include <stddef.h> #include <stddef.h>
#include <stdarg.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h>
#include <sys/stat.h> #include <sys/stat.h>
#include <sys/types.h> #include <sys/types.h>
#include <libudev.h> #include <libudev.h>
@ -191,18 +192,16 @@ bool wlr_session_change_vt(struct wlr_session *session, unsigned vt) {
/* Tests if 'path' is KMS compatible by trying to open it. /* Tests if 'path' is KMS compatible by trying to open it.
* It leaves the open device in *fd_out it it succeeds. * It leaves the open device in *fd_out it it succeeds.
*/ */
static bool device_is_kms(struct wlr_session *restrict session, static int open_if_kms(struct wlr_session *restrict session, const char *restrict path) {
const char *restrict path, int *restrict fd_out) {
int fd; int fd;
if (!path) { if (!path) {
return false; return -1;
} }
fd = wlr_session_open_file(session, path); fd = wlr_session_open_file(session, path);
if (fd < 0) { if (fd < 0) {
return false; return -1;
} }
drmModeRes *res = drmModeGetResources(fd); drmModeRes *res = drmModeGetResources(fd);
@ -216,26 +215,54 @@ static bool device_is_kms(struct wlr_session *restrict session,
goto out_res; goto out_res;
} }
if (*fd_out >= 0) {
wlr_session_close_file(session, *fd_out);
}
*fd_out = fd;
drmModeFreeResources(res); drmModeFreeResources(res);
return true; return fd;
out_res: out_res:
drmModeFreeResources(res); drmModeFreeResources(res);
out_fd: out_fd:
wlr_session_close_file(session, fd); wlr_session_close_file(session, fd);
return false; return -1;
}
static size_t explicit_find_gpus(struct wlr_session *session,
size_t ret_len, int ret[static ret_len], const char *str) {
char *gpus = strdup(str);
if (!gpus) {
wlr_log_errno(L_ERROR, "Allocation failed");
return 0;
}
size_t i = 0;
char *save;
char *ptr = strtok_r(gpus, ":", &save);
do {
if (i >= ret_len) {
break;
}
ret[i] = open_if_kms(session, ptr);
if (ret[i] < 0) {
wlr_log(L_ERROR, "Unable to open %s as DRM device", ptr);
} else {
++i;
}
} while ((ptr = strtok_r(NULL, ":", &save)));
free(ptr);
return i;
} }
/* Tries to find the primary GPU by checking for the "boot_vga" attribute. /* Tries to find the primary GPU by checking for the "boot_vga" attribute.
* If it's not found, it returns the first valid GPU it finds. * If it's not found, it returns the first valid GPU it finds.
*/ */
int wlr_session_find_gpu(struct wlr_session *session) { size_t wlr_session_find_gpus(struct wlr_session *session,
size_t ret_len, int ret[static ret_len]) {
const char *explicit = getenv("WLR_DRM_DEVICES");
if (explicit) {
return explicit_find_gpus(session, ret_len, ret, explicit);
}
struct udev_enumerate *en = udev_enumerate_new(session->udev); struct udev_enumerate *en = udev_enumerate_new(session->udev);
if (!en) { if (!en) {
wlr_log(L_ERROR, "Failed to create udev enumeration"); wlr_log(L_ERROR, "Failed to create udev enumeration");
@ -247,9 +274,13 @@ int wlr_session_find_gpu(struct wlr_session *session) {
udev_enumerate_scan_devices(en); udev_enumerate_scan_devices(en);
struct udev_list_entry *entry; struct udev_list_entry *entry;
int fd = -1; size_t i = 0;
udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(en)) { udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(en)) {
if (i == ret_len) {
break;
}
bool is_boot_vga = false; bool is_boot_vga = false;
const char *path = udev_list_entry_get_name(entry); const char *path = udev_list_entry_get_name(entry);
@ -258,15 +289,13 @@ int wlr_session_find_gpu(struct wlr_session *session) {
continue; continue;
} }
/*
const char *seat = udev_device_get_property_value(dev, "ID_SEAT"); const char *seat = udev_device_get_property_value(dev, "ID_SEAT");
if (!seat) if (!seat)
seat = "seat0"; seat = "seat0";
if (strcmp(session->seat, seat) != 0) { if (session->seat[0] && strcmp(session->seat, seat) != 0) {
udev_device_unref(dev); udev_device_unref(dev);
continue; continue;
} }
*/
// This is owned by 'dev', so we don't need to free it // This is owned by 'dev', so we don't need to free it
struct udev_device *pci = struct udev_device *pci =
@ -279,27 +308,25 @@ int wlr_session_find_gpu(struct wlr_session *session) {
} }
} }
// We already have a valid GPU int fd = open_if_kms(session, udev_device_get_devnode(dev));
if (!is_boot_vga && fd >= 0) { if (fd < 0) {
udev_device_unref(dev);
continue;
}
path = udev_device_get_devnode(dev);
if (!device_is_kms(session, path, &fd)) {
udev_device_unref(dev); udev_device_unref(dev);
continue; continue;
} }
udev_device_unref(dev); udev_device_unref(dev);
// We've found the primary GPU ret[i] = fd;
if (is_boot_vga) { if (is_boot_vga) {
break; int tmp = ret[0];
ret[0] = ret[i];
ret[i] = tmp;
} }
++i;
} }
udev_enumerate_unref(en); udev_enumerate_unref(en);
return fd; return i;
} }

85
include/backend/drm.h → include/backend/drm/drm.h
View File

@ -1,5 +1,5 @@
#ifndef BACKEND_DRM_H #ifndef BACKEND_DRM_DRM_H
#define BACKEND_DRM_H #define BACKEND_DRM_DRM_H
#include <stdbool.h> #include <stdbool.h>
#include <stddef.h> #include <stddef.h>
@ -15,7 +15,9 @@
#include <wlr/egl.h> #include <wlr/egl.h>
#include <wlr/util/list.h> #include <wlr/util/list.h>
#include "drm-properties.h" #include "iface.h"
#include "properties.h"
#include "renderer.h"
struct wlr_drm_plane { struct wlr_drm_plane {
uint32_t type; uint32_t type;
@ -23,13 +25,8 @@ struct wlr_drm_plane {
uint32_t possible_crtcs; uint32_t possible_crtcs;
uint32_t width, height; struct wlr_drm_surface surf;
struct wlr_drm_surface mgpu_surf;
struct gbm_surface *gbm;
EGLSurface egl;
struct gbm_bo *front;
struct gbm_bo *back;
// Only used by cursor // Only used by cursor
float matrix[16]; float matrix[16];
@ -59,34 +56,13 @@ struct wlr_drm_crtc {
struct wl_list connectors; struct wl_list connectors;
}; };
struct wlr_drm_connector {
struct wlr_output *base;
uint32_t id;
struct wlr_drm_crtc *crtc;
union wlr_drm_connector_props props;
struct wl_list link;
};
struct wlr_drm_renderer {
int fd;
struct gbm_device *gbm;
struct wlr_egl egl;
};
bool wlr_drm_renderer_init(struct wlr_drm_renderer *renderer, int fd);
void wlr_drm_renderer_free(struct wlr_drm_renderer *renderer);
struct wlr_drm_interface;
struct wlr_drm_backend { struct wlr_drm_backend {
struct wlr_backend backend; struct wlr_backend backend;
struct wlr_drm_backend *parent;
const struct wlr_drm_interface *iface; const struct wlr_drm_interface *iface;
int fd; int fd;
dev_t dev;
size_t num_crtcs; size_t num_crtcs;
struct wlr_drm_crtc *crtcs; struct wlr_drm_crtc *crtcs;
@ -117,30 +93,30 @@ struct wlr_drm_backend {
struct wl_listener session_signal; struct wl_listener session_signal;
struct wl_listener drm_invalidated; struct wl_listener drm_invalidated;
uint32_t taken_crtcs;
list_t *outputs; list_t *outputs;
struct wlr_drm_renderer renderer; struct wlr_drm_renderer renderer;
struct wlr_session *session; struct wlr_session *session;
}; };
enum wlr_drm_output_state { enum wlr_drm_connector_state {
WLR_DRM_OUTPUT_DISCONNECTED, WLR_DRM_CONN_DISCONNECTED,
WLR_DRM_OUTPUT_NEEDS_MODESET, WLR_DRM_CONN_NEEDS_MODESET,
WLR_DRM_OUTPUT_CLEANUP, WLR_DRM_CONN_CLEANUP,
WLR_DRM_OUTPUT_CONNECTED, WLR_DRM_CONN_CONNECTED,
}; };
struct wlr_drm_output_mode { struct wlr_drm_mode {
struct wlr_output_mode wlr_mode; struct wlr_output_mode wlr_mode;
drmModeModeInfo mode; drmModeModeInfo drm_mode;
}; };
struct wlr_drm_output { struct wlr_drm_connector {
struct wlr_output output; struct wlr_output output;
struct wlr_drm_backend *drm;
enum wlr_drm_output_state state; enum wlr_drm_connector_state state;
uint32_t connector; uint32_t id;
struct wlr_drm_crtc *crtc; struct wlr_drm_crtc *crtc;
uint32_t possible_crtc; uint32_t possible_crtc;
@ -152,37 +128,18 @@ struct wlr_drm_output {
drmModeCrtc *old_crtc; drmModeCrtc *old_crtc;
struct wlr_drm_renderer *renderer;
bool pageflip_pending; bool pageflip_pending;
struct wl_event_source *retry_pageflip; struct wl_event_source *retry_pageflip;
}; };
// Used to provide atomic or legacy DRM functions
struct wlr_drm_interface {
// Enable or disable DPMS for output
void (*conn_enable)(struct wlr_drm_backend *backend,
struct wlr_drm_output *output, bool enable);
// Pageflip on crtc. If mode is non-NULL perform a full modeset using it.
bool (*crtc_pageflip)(struct wlr_drm_backend *backend,
struct wlr_drm_output *output, struct wlr_drm_crtc *crtc,
uint32_t fb_id, drmModeModeInfo *mode);
// Enable the cursor buffer on crtc. Set bo to NULL to disable
bool (*crtc_set_cursor)(struct wlr_drm_backend *backend,
struct wlr_drm_crtc *crtc, struct gbm_bo *bo);
// Move the cursor on crtc
bool (*crtc_move_cursor)(struct wlr_drm_backend *backend,
struct wlr_drm_crtc *crtc, int x, int y);
};
bool wlr_drm_check_features(struct wlr_drm_backend *drm); bool wlr_drm_check_features(struct wlr_drm_backend *drm);
bool wlr_drm_resources_init(struct wlr_drm_backend *drm); bool wlr_drm_resources_init(struct wlr_drm_backend *drm);
void wlr_drm_resources_free(struct wlr_drm_backend *drm); void wlr_drm_resources_free(struct wlr_drm_backend *drm);
void wlr_drm_restore_outputs(struct wlr_drm_backend *drm); void wlr_drm_restore_outputs(struct wlr_drm_backend *drm);
void wlr_drm_output_cleanup(struct wlr_drm_output *output); void wlr_drm_connector_cleanup(struct wlr_drm_connector *conn);
void wlr_drm_scan_connectors(struct wlr_drm_backend *state); void wlr_drm_scan_connectors(struct wlr_drm_backend *state);
int wlr_drm_event(int fd, uint32_t mask, void *data); int wlr_drm_event(int fd, uint32_t mask, void *data);
void wlr_drm_output_start_renderer(struct wlr_drm_output *output); void wlr_drm_connector_start_renderer(struct wlr_drm_connector *conn);
#endif #endif

35
include/backend/drm/iface.h Normal file
View File

@ -0,0 +1,35 @@
#ifndef BACKEND_DRM_IFACE_H
#define BACKEND_DRM_IFACE_H
#include <stdbool.h>
#include <stdint.h>
#include <gbm.h>
#include <xf86drm.h>
#include <xf86drmMode.h>
struct wlr_drm_backend;
struct wlr_drm_connector;
struct wlr_drm_crtc;
// Used to provide atomic or legacy DRM functions
struct wlr_drm_interface {
// Enable or disable DPMS for connector
void (*conn_enable)(struct wlr_drm_backend *drm,
struct wlr_drm_connector *conn, bool enable);
// Pageflip on crtc. If mode is non-NULL perform a full modeset using it.
bool (*crtc_pageflip)(struct wlr_drm_backend *drm,
struct wlr_drm_connector *conn, struct wlr_drm_crtc *crtc,
uint32_t fb_id, drmModeModeInfo *mode);
// Enable the cursor buffer on crtc. Set bo to NULL to disable
bool (*crtc_set_cursor)(struct wlr_drm_backend *drm,
struct wlr_drm_crtc *crtc, struct gbm_bo *bo);
// Move the cursor on crtc
bool (*crtc_move_cursor)(struct wlr_drm_backend *drm,
struct wlr_drm_crtc *crtc, int x, int y);
};
extern const struct wlr_drm_interface atomic_iface;
extern const struct wlr_drm_interface legacy_iface;
#endif

0
include/backend/drm-properties.h → include/backend/drm/properties.h
View File

54
include/backend/drm/renderer.h Normal file
View File

@ -0,0 +1,54 @@
#ifndef BACKEND_DRM_RENDERER_H
#define BACKEND_DRM_RENDERER_H
#include <stdbool.h>
#include <stdint.h>
#include <EGL/egl.h>
#include <gbm.h>
#include <wlr/render.h>
struct wlr_drm_backend;
struct wlr_drm_plane;
struct wlr_drm_renderer {
int fd;
struct gbm_device *gbm;
struct wlr_egl egl;
struct wlr_renderer *wlr_rend;
};
struct wlr_drm_surface {
struct wlr_drm_renderer *renderer;
uint32_t width;
uint32_t height;
struct gbm_surface *gbm;
EGLSurface egl;
struct gbm_bo *front;
struct gbm_bo *back;
};
bool wlr_drm_renderer_init(struct wlr_drm_backend *drm,
struct wlr_drm_renderer *renderer);
void wlr_drm_renderer_finish(struct wlr_drm_renderer *renderer);
bool wlr_drm_surface_init(struct wlr_drm_surface *surf,
struct wlr_drm_renderer *renderer, uint32_t width, uint32_t height,
uint32_t format, uint32_t flags);
bool wlr_drm_plane_surfaces_init(struct wlr_drm_plane *plane, struct wlr_drm_backend *drm,
int32_t width, uint32_t height, uint32_t format);
void wlr_drm_surface_finish(struct wlr_drm_surface *surf);
void wlr_drm_surface_make_current(struct wlr_drm_surface *surf);
struct gbm_bo *wlr_drm_surface_swap_buffers(struct wlr_drm_surface *surf);
struct gbm_bo *wlr_drm_surface_get_front(struct wlr_drm_surface *surf);
void wlr_drm_surface_post(struct wlr_drm_surface *surf);
struct gbm_bo *wlr_drm_surface_mgpu_copy(struct wlr_drm_surface *dest, struct gbm_bo *src);
#endif

0
include/backend/drm-util.h → include/backend/drm/util.h
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2
include/wlr/backend/drm.h
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@ -6,7 +6,7 @@
#include <wlr/backend.h> #include <wlr/backend.h>
struct wlr_backend *wlr_drm_backend_create(struct wl_display *display, struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
struct wlr_session *session, int gpu_fd); struct wlr_session *session, int gpu_fd, struct wlr_backend *parent);
bool wlr_backend_is_drm(struct wlr_backend *backend); bool wlr_backend_is_drm(struct wlr_backend *backend);

3
include/wlr/backend/session.h
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@ -78,6 +78,7 @@ void wlr_session_signal_add(struct wlr_session *session, int fd,
*/ */
bool wlr_session_change_vt(struct wlr_session *session, unsigned vt); bool wlr_session_change_vt(struct wlr_session *session, unsigned vt);
int wlr_session_find_gpu(struct wlr_session *session); size_t wlr_session_find_gpus(struct wlr_session *session,
size_t ret_len, int ret[static ret_len]);
#endif #endif

7
include/wlr/render.h
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@ -2,6 +2,8 @@
#define WLR_RENDER_H #define WLR_RENDER_H
#include <stdint.h> #include <stdint.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <wayland-server-protocol.h> #include <wayland-server-protocol.h>
#include <wlr/types/wlr_output.h> #include <wlr/types/wlr_output.h>
@ -93,9 +95,12 @@ bool wlr_texture_upload_shm(struct wlr_texture *tex, uint32_t format,
* texture. The wl_resource is not used after this call. * texture. The wl_resource is not used after this call.
* Will fail (return false) if the given resource is no drm buffer. * Will fail (return false) if the given resource is no drm buffer.
*/ */
bool wlr_texture_upload_drm(struct wlr_texture *tex, bool wlr_texture_upload_drm(struct wlr_texture *tex,
struct wl_resource *drm_buffer); struct wl_resource *drm_buffer);
bool wlr_texture_upload_eglimage(struct wlr_texture *tex,
EGLImageKHR image, uint32_t width, uint32_t height);
/** /**
* Copies a rectangle of pixels from a wl_shm_buffer onto the texture. The * Copies a rectangle of pixels from a wl_shm_buffer onto the texture. The
* buffer is not accessed after this function returns. Under some circumstances, * buffer is not accessed after this function returns. Under some circumstances,

4
include/wlr/render/interface.h
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@ -2,6 +2,8 @@
#define WLR_RENDER_INTERFACE_H #define WLR_RENDER_INTERFACE_H
#include <wayland-server-protocol.h> #include <wayland-server-protocol.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <stdbool.h> #include <stdbool.h>
#include <wlr/render.h> #include <wlr/render.h>
#include <wlr/types/wlr_output.h> #include <wlr/types/wlr_output.h>
@ -45,6 +47,8 @@ struct wlr_texture_impl {
int x, int y, int width, int height, struct wl_shm_buffer *shm); int x, int y, int width, int height, struct wl_shm_buffer *shm);
bool (*upload_drm)(struct wlr_texture *texture, bool (*upload_drm)(struct wlr_texture *texture,
struct wl_resource *drm_buf); struct wl_resource *drm_buf);
bool (*upload_eglimage)(struct wlr_texture *texture, EGLImageKHR image,
uint32_t width, uint32_t height);
void (*get_matrix)(struct wlr_texture *state, void (*get_matrix)(struct wlr_texture *state,
float (*matrix)[16], const float (*projection)[16], int x, int y); float (*matrix)[16], const float (*projection)[16], int x, int y);
void (*get_buffer_size)(struct wlr_texture *texture, void (*get_buffer_size)(struct wlr_texture *texture,

20
render/gles2/texture.c
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@ -205,6 +205,25 @@ static bool gles2_texture_upload_drm(struct wlr_texture *_tex,
return true; return true;
} }
static bool gles2_texture_upload_eglimage(struct wlr_texture *wlr_tex,
EGLImageKHR image, uint32_t width, uint32_t height) {
struct wlr_gles2_texture *tex = (struct wlr_gles2_texture *)wlr_tex;
tex->image = image;
tex->pixel_format = &external_pixel_format;
tex->wlr_texture.valid = true;
tex->wlr_texture.width = width;
tex->wlr_texture.height = height;
gles2_texture_ensure_texture(tex);
GL_CALL(glActiveTexture(GL_TEXTURE0));
GL_CALL(glBindTexture(GL_TEXTURE_EXTERNAL_OES, tex->tex_id));
GL_CALL(glEGLImageTargetTexture2DOES(GL_TEXTURE_EXTERNAL_OES, tex->image));
return true;
}
static void gles2_texture_get_matrix(struct wlr_texture *_texture, static void gles2_texture_get_matrix(struct wlr_texture *_texture,
float (*matrix)[16], const float (*projection)[16], int x, int y) { float (*matrix)[16], const float (*projection)[16], int x, int y) {
struct wlr_gles2_texture *texture = (struct wlr_gles2_texture *)_texture; struct wlr_gles2_texture *texture = (struct wlr_gles2_texture *)_texture;
@ -270,6 +289,7 @@ static struct wlr_texture_impl wlr_texture_impl = {
.upload_shm = gles2_texture_upload_shm, .upload_shm = gles2_texture_upload_shm,
.update_shm = gles2_texture_update_shm, .update_shm = gles2_texture_update_shm,
.upload_drm = gles2_texture_upload_drm, .upload_drm = gles2_texture_upload_drm,
.upload_eglimage = gles2_texture_upload_eglimage,
.get_matrix = gles2_texture_get_matrix, .get_matrix = gles2_texture_get_matrix,
.get_buffer_size = gles2_texture_get_buffer_size, .get_buffer_size = gles2_texture_get_buffer_size,
.bind = gles2_texture_bind, .bind = gles2_texture_bind,

5
render/wlr_texture.c
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@ -48,6 +48,11 @@ bool wlr_texture_upload_drm(struct wlr_texture *texture,
return texture->impl->upload_drm(texture, drm_buffer); return texture->impl->upload_drm(texture, drm_buffer);
} }
bool wlr_texture_upload_eglimage(struct wlr_texture *texture,
EGLImageKHR image, uint32_t width, uint32_t height) {
return texture->impl->upload_eglimage(texture, image, width, height);
}
void wlr_texture_get_matrix(struct wlr_texture *texture, void wlr_texture_get_matrix(struct wlr_texture *texture,
float (*matrix)[16], const float (*projection)[16], int x, int y) { float (*matrix)[16], const float (*projection)[16], int x, int y) {
texture->impl->get_matrix(texture, matrix, projection, x, y); texture->impl->get_matrix(texture, matrix, projection, x, y);