hyprwm/wlroots-hyprland
1
0
Fork 0
mirror of https://github.com/hyprwm/wlroots-hyprland.git synced 2024-11-22 12:55:58 +01:00
Code Issues Projects Releases Packages Wiki Activity

Atomic modesetting

Browse source
This commit is contained in:
Scott Anderson 2017-08-09 20:43:01 +12:00 committed by Drew DeVault
parent 913829e381
commit af67966d92
11 changed files with 350 additions and 72 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
backend/drm/backend.c
View file

@ -53,7 +53,11 @@ static void session_signal(struct wl_listener *listener, void *data) {
for (size_t i = 0; i < drm->outputs->length; ++i) {
struct wlr_output_state *output = drm->outputs->items[i];
wlr_drm_output_start_renderer(output);
wlr_drm_crtc_set_cursor(drm, output->crtc);
struct wlr_drm_plane *plane = output->crtc->cursor;
drm->iface->crtc_set_cursor(drm, output->crtc,
plane ? plane->cursor_bo : NULL);
}
} else {
wlr_log(L_INFO, "DRM fd paused");

176
backend/drm/drm-atomic.c Normal file
View file

@ -0,0 +1,176 @@
#include <gbm.h>
#include <xf86drm.h>
#include <xf86drmMode.h>
#include <wlr/util/log.h>
#include "backend/drm.h"
#include "backend/drm-util.h"
struct atomic {
drmModeAtomicReq *req;
int cursor;
bool failed;
};
static void atomic_begin(struct wlr_drm_crtc *crtc, struct atomic *atom) {
if (!crtc->atomic) {
crtc->atomic = drmModeAtomicAlloc();
if (!crtc->atomic) {
wlr_log_errno(L_ERROR, "Allocation failed");
atom->failed = true;
return;
}
}
atom->req = crtc->atomic;
atom->cursor = drmModeAtomicGetCursor(atom->req);
atom->failed = false;
}
static bool atomic_end(int drm_fd, struct atomic *atom) {
if (atom->failed) {
return false;
}
uint32_t flags = DRM_MODE_ATOMIC_TEST_ONLY | DRM_MODE_ATOMIC_NONBLOCK;
if (drmModeAtomicCommit(drm_fd, atom->req, flags, NULL)) {
wlr_log_errno(L_ERROR, "Atomic test failed");
drmModeAtomicSetCursor(atom->req, atom->cursor);
return false;
}
return true;
}
static bool atomic_commit(int drm_fd, struct atomic *atom, struct wlr_output_state *output,
uint32_t flag) {
if (atom->failed) {
return false;
}
uint32_t flags = DRM_MODE_PAGE_FLIP_EVENT | DRM_MODE_ATOMIC_NONBLOCK | flag;
int ret = drmModeAtomicCommit(drm_fd, atom->req, flags, output);
if (ret) {
wlr_log_errno(L_ERROR, "Atomic commit failed");
}
drmModeAtomicSetCursor(atom->req, 0);
return !ret;
}
static inline void atomic_add(struct atomic *atom, uint32_t id, uint32_t prop, uint64_t val) {
if (!atom->failed && drmModeAtomicAddProperty(atom->req, id, prop, val) < 0) {
wlr_log_errno(L_ERROR, "Failed to add atomic DRM property");
atom->failed = true;
}
}
static void set_plane_props(struct atomic *atom, struct wlr_drm_plane *plane,
uint32_t crtc_id, uint32_t fb_id, bool set_crtc_xy) {
uint32_t id = plane->id;
const union wlr_drm_plane_props *props = &plane->props;
// The src_* properties are in 16.16 fixed point
atomic_add(atom, id, props->src_x, 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_h, plane->height << 16);
atomic_add(atom, id, props->crtc_w, plane->width);
atomic_add(atom, id, props->crtc_h, plane->height);
atomic_add(atom, id, props->fb_id, fb_id);
atomic_add(atom, id, props->crtc_id, crtc_id);
if (set_crtc_xy) {
atomic_add(atom, id, props->crtc_x, 0);
atomic_add(atom, id, props->crtc_y, 0);
}
}
static bool atomic_crtc_pageflip(struct wlr_backend_state *drm, struct wlr_output_state *output,
struct wlr_drm_crtc *crtc, uint32_t fb_id, drmModeModeInfo *mode) {
if (mode) {
if (crtc->mode_id) {
drmModeDestroyPropertyBlob(drm->fd, crtc->mode_id);
}
if (drmModeCreatePropertyBlob(drm->fd, mode, sizeof(*mode), &crtc->mode_id)) {
wlr_log_errno(L_ERROR, "Unable to create property blob");
return false;
}
}
struct atomic atom;
atomic_begin(crtc, &atom);
atomic_add(&atom, output->connector, output->props.crtc_id, crtc->id);
atomic_add(&atom, crtc->id, crtc->props.mode_id, crtc->mode_id);
atomic_add(&atom, crtc->id, crtc->props.active, 1);
set_plane_props(&atom, crtc->primary, crtc->id, fb_id, true);
return atomic_commit(drm->fd, &atom, output, mode ? DRM_MODE_ATOMIC_ALLOW_MODESET : 0);
}
static void atomic_conn_enable(struct wlr_backend_state *drm, struct wlr_output_state *output,
bool enable) {
struct wlr_drm_crtc *crtc = output->crtc;
struct atomic atom;
atomic_begin(crtc, &atom);
atomic_add(&atom, crtc->id, crtc->props.active, enable);
atomic_end(drm->fd, &atom);
}
bool legacy_crtc_set_cursor(struct wlr_backend_state *drm, struct wlr_drm_crtc *crtc,
struct gbm_bo *bo);
static bool atomic_crtc_set_cursor(struct wlr_backend_state *drm, struct wlr_drm_crtc *crtc,
struct gbm_bo *bo) {
if (!crtc || !crtc->cursor) {
return true;
}
struct wlr_drm_plane *plane = crtc->cursor;
// We can't use atomic operations on fake planes
if (plane->id == 0) {
return legacy_crtc_set_cursor(drm, crtc, bo);
}
struct atomic atom;
atomic_begin(crtc, &atom);
if (bo) {
set_plane_props(&atom, plane, crtc->id, get_fb_for_bo(bo), false);
} else {
atomic_add(&atom, plane->id, plane->props.fb_id, 0);
atomic_add(&atom, plane->id, plane->props.crtc_id, 0);
}
return atomic_end(drm->fd, &atom);
}
bool legacy_crtc_move_cursor(struct wlr_backend_state *drm, struct wlr_drm_crtc *crtc,
int x, int y);
static bool atomic_crtc_move_cursor(struct wlr_backend_state *drm, struct wlr_drm_crtc *crtc,
int x, int y) {
struct wlr_drm_plane *plane = crtc->cursor;
// We can't use atomic operations on fake planes
if (plane->id == 0) {
return legacy_crtc_move_cursor(drm, crtc, x, y);
}
struct atomic atom;
atomic_begin(crtc, &atom);
atomic_add(&atom, plane->id, plane->props.crtc_x, x);
atomic_add(&atom, plane->id, plane->props.crtc_y, y);
return atomic_end(drm->fd, &atom);
}
const struct wlr_drm_interface atomic_iface = {
.conn_enable = atomic_conn_enable,
.crtc_pageflip = atomic_crtc_pageflip,
.crtc_set_cursor = atomic_crtc_set_cursor,
.crtc_move_cursor = atomic_crtc_move_cursor,
};

58
backend/drm/drm-legacy.c Normal file
View file

@ -0,0 +1,58 @@
#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_backend_state *drm, struct wlr_output_state *output,
struct wlr_drm_crtc *crtc, uint32_t fb_id, drmModeModeInfo *mode) {
if (mode) {
drmModeSetCrtc(drm->fd, crtc->id, fb_id, 0, 0,
&output->connector, 1, mode);
}
drmModePageFlip(drm->fd, crtc->id, fb_id, DRM_MODE_PAGE_FLIP_EVENT, output);
return true;
}
static void legacy_conn_enable(struct wlr_backend_state *drm, struct wlr_output_state *output,
bool enable) {
drmModeConnectorSetProperty(drm->fd, output->connector, output->props.dpms,
enable ? DRM_MODE_DPMS_ON : DRM_MODE_DPMS_OFF);
}
bool legacy_crtc_set_cursor(struct wlr_backend_state *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->width, plane->height)) {
wlr_log_errno(L_ERROR, "Failed to set hardware cursor");
return false;
}
return true;
}
bool legacy_crtc_move_cursor(struct wlr_backend_state *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
View file

@ -27,6 +27,8 @@ static const struct prop_info connector_info[] = {
static const struct prop_info crtc_info[] = {
#define INDEX(name) (offsetof(union wlr_drm_crtc_props, name) / sizeof(uint32_t))
{ "ACTIVE", INDEX(active) },
{ "MODE_ID", INDEX(mode_id) },
{ "rotation", INDEX(rotation) },
{ "scaling mode", INDEX(scaling_mode) },
#undef INDEX

36
backend/drm/drm-util.c
View file

@ -2,7 +2,9 @@
#include <string.h>
#include <drm.h>
#include <drm_mode.h>
#include <gbm.h>
#include "backend/drm-util.h"
#include <wlr/util/log.h>
int32_t calculate_refresh_rate(drmModeModeInfo *mode) {
int32_t refresh = (mode->clock * 1000000LL / mode->htotal +
@ -133,6 +135,40 @@ const char *conn_get_name(uint32_t type_id) {
}
}
static void free_fb(struct gbm_bo *bo, void *data) {
uint32_t id = (uintptr_t)data;
if (id) {
struct gbm_device *gbm = gbm_bo_get_device(bo);
drmModeRmFB(gbm_device_get_fd(gbm), id);
}
}
uint32_t get_fb_for_bo(struct gbm_bo *bo) {
uint32_t id = (uintptr_t)gbm_bo_get_user_data(bo);
if (id) {
return id;
}
struct gbm_device *gbm = gbm_bo_get_device(bo);
int fd = gbm_device_get_fd(gbm);
uint32_t width = gbm_bo_get_width(bo);
uint32_t height = gbm_bo_get_height(bo);
uint32_t handles[4] = {gbm_bo_get_handle(bo).u32};
uint32_t pitches[4] = {gbm_bo_get_stride(bo)};
uint32_t offsets[4] = {gbm_bo_get_offset(bo, 0)};
uint32_t format = gbm_bo_get_format(bo);
if (drmModeAddFB2(fd, width, height, format, handles, pitches, offsets, &id, 0)) {
wlr_log_errno(L_ERROR, "Unable to add DRM framebuffer");
}
gbm_bo_set_user_data(bo, (void *)(uintptr_t)id, free_fb);
return id;
}
static inline bool is_taken(size_t n, const uint32_t arr[static n], uint32_t key) {
for (size_t i = 0; i < n; ++i) {
if (arr[i] == key) {

109
backend/drm/drm.c
View file

@ -23,28 +23,33 @@
#include "backend/drm-util.h"
bool wlr_drm_check_features(struct wlr_backend_state *drm) {
extern const struct wlr_drm_interface legacy_iface;
extern const struct wlr_drm_interface atomic_iface;
if (drmSetClientCap(drm->fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1)) {
wlr_log(L_INFO, "DRM universal planes unsupported");
wlr_log(L_ERROR, "DRM universal planes unsupported");
return false;
}
if (drmSetClientCap(drm->fd, DRM_CLIENT_CAP_ATOMIC, 1)) {
wlr_log(L_INFO, "Atomic modesetting unsupported");
wlr_log(L_DEBUG, "Atomic modesetting unsupported, using legacy DRM interface");
drm->iface = &legacy_iface;
} else {
wlr_log(L_DEBUG, "Using atomic DRM interface");
drm->iface = &atomic_iface;
}
return true;
}
static int cmp_plane(const void *arg1, const void *arg2)
{
static int cmp_plane(const void *arg1, const void *arg2) {
const struct wlr_drm_plane *a = arg1;
const struct wlr_drm_plane *b = arg2;
return (int)a->type - (int)b->type;
}
static bool init_planes(struct wlr_backend_state *drm)
{
static bool init_planes(struct wlr_backend_state *drm) {
drmModePlaneRes *plane_res = drmModeGetPlaneResources(drm->fd);
if (!plane_res) {
wlr_log_errno(L_ERROR, "Failed to get DRM plane resources");
@ -150,6 +155,15 @@ void wlr_drm_resources_free(struct wlr_backend_state *drm) {
return;
}
for (size_t i = 0; i < drm->num_crtcs; ++i) {
struct wlr_drm_crtc *crtc = &drm->crtcs[i];
drmModeAtomicFree(crtc->atomic);
if (crtc->mode_id) {
drmModeDestroyPropertyBlob(drm->fd, crtc->mode_id);
}
}
free(drm->crtcs);
free(drm->planes);
}
@ -180,7 +194,7 @@ void wlr_drm_renderer_free(struct wlr_drm_renderer *renderer) {
}
static bool wlr_drm_plane_renderer_init(struct wlr_drm_renderer *renderer,
struct wlr_drm_plane *plane, uint32_t width, uint32_t height, uint32_t flags) {
struct wlr_drm_plane *plane, uint32_t width, uint32_t height, uint32_t format, uint32_t flags) {
if (plane->width == width && plane->height == height) {
return true;
}
@ -189,7 +203,7 @@ static bool wlr_drm_plane_renderer_init(struct wlr_drm_renderer *renderer,
plane->height = height;
plane->gbm = gbm_surface_create(renderer->gbm, width, height,
GBM_FORMAT_ARGB8888, GBM_BO_USE_RENDERING | flags);
format, GBM_BO_USE_RENDERING | flags);
if (!plane->gbm) {
wlr_log_errno(L_ERROR, "Failed to create GBM surface for plane");
return false;
@ -210,6 +224,8 @@ static void wlr_drm_plane_renderer_free(struct wlr_drm_renderer *renderer,
return;
}
eglMakeCurrent(renderer->egl.display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
if (plane->front) {
gbm_surface_release_buffer(plane->gbm, plane->front);
}
@ -245,30 +261,6 @@ static void wlr_drm_plane_renderer_free(struct wlr_drm_renderer *renderer,
plane->cursor_bo = NULL;
}
static void free_fb(struct gbm_bo *bo, void *data) {
uint32_t id = (uintptr_t)data;
if (id) {
struct gbm_device *gbm = gbm_bo_get_device(bo);
drmModeRmFB(gbm_device_get_fd(gbm), id);
}
}
static uint32_t get_fb_for_bo(struct gbm_bo *bo) {
uint32_t id = (uintptr_t)gbm_bo_get_user_data(bo);
if (id) {
return id;
}
struct gbm_device *gbm = gbm_bo_get_device(bo);
drmModeAddFB(gbm_device_get_fd(gbm), gbm_bo_get_width(bo), gbm_bo_get_height(bo),
24, 32, gbm_bo_get_stride(bo), gbm_bo_get_handle(bo).u32, &id);
gbm_bo_set_user_data(bo, (void *)(uintptr_t)id, free_fb);
return id;
}
static void wlr_drm_plane_make_current(struct wlr_drm_renderer *renderer,
struct wlr_drm_plane *plane) {
eglMakeCurrent(renderer->egl.display, plane->egl, plane->egl,
@ -292,14 +284,14 @@ static void wlr_drm_output_make_current(struct wlr_output_state *output) {
}
static void wlr_drm_output_swap_buffers(struct wlr_output_state *output) {
struct wlr_backend_state *drm = wl_container_of(output->renderer, drm, renderer);
struct wlr_drm_renderer *renderer = output->renderer;
struct wlr_drm_crtc *crtc = output->crtc;
struct wlr_drm_plane *plane = crtc->primary;
wlr_drm_plane_swap_buffers(renderer, plane);
uint32_t fb_id = get_fb_for_bo(plane->back);
drmModePageFlip(renderer->fd, crtc->id, fb_id, DRM_MODE_PAGE_FLIP_EVENT, output);
drm->iface->crtc_pageflip(drm, output, crtc, get_fb_for_bo(plane->back), NULL);
output->pageflip_pending = true;
}
@ -308,8 +300,8 @@ void wlr_drm_output_start_renderer(struct wlr_output_state *output) {
return;
}
struct wlr_backend_state *drm = wl_container_of(output->renderer, drm, renderer);
struct wlr_drm_renderer *renderer = output->renderer;
struct wlr_output_mode *mode = output->base->current_mode;
struct wlr_drm_crtc *crtc = output->crtc;
struct wlr_drm_plane *plane = crtc->primary;
@ -325,28 +317,22 @@ void wlr_drm_output_start_renderer(struct wlr_output_state *output) {
bo = plane->back;
}
uint32_t fb_id = get_fb_for_bo(bo);
drmModeSetCrtc(renderer->fd, crtc->id, fb_id, 0, 0,
&output->connector, 1, &mode->state->mode);
drmModePageFlip(renderer->fd, crtc->id, fb_id, DRM_MODE_PAGE_FLIP_EVENT, output);
drmModeModeInfo *mode = &output->base->current_mode->state->mode;
drm->iface->crtc_pageflip(drm, output, crtc, get_fb_for_bo(bo), mode);
output->pageflip_pending = true;
}
static void wlr_drm_output_enable(struct wlr_output_state *output, bool enable) {
struct wlr_backend_state *state =
wl_container_of(output->renderer, state, renderer);
struct wlr_backend_state *drm =
wl_container_of(output->renderer, drm, renderer);
if (output->state != WLR_DRM_OUTPUT_CONNECTED) {
return;
}
if (enable) {
drmModeConnectorSetProperty(state->fd, output->connector, output->props.dpms,
DRM_MODE_DPMS_ON);
drm->iface->conn_enable(drm, output, enable);
if (enable) {
wlr_drm_output_start_renderer(output);
} else {
drmModeConnectorSetProperty(state->fd, output->connector, output->props.dpms,
DRM_MODE_DPMS_OFF);
}
}
@ -515,7 +501,8 @@ static bool wlr_drm_output_set_mode(struct wlr_output_state *output,
}
if (!wlr_drm_plane_renderer_init(&drm->renderer, crtc->primary,
mode->width, mode->height, GBM_BO_USE_SCANOUT)) {
mode->width, mode->height, GBM_FORMAT_XRGB8888,
GBM_BO_USE_SCANOUT)) {
wlr_log(L_ERROR, "Failed to initalise renderer for plane");
goto error_enc;
}
@ -541,22 +528,6 @@ static void wlr_drm_output_transform(struct wlr_output_state *output,
output->base->transform = transform;
}
bool wlr_drm_crtc_set_cursor(struct wlr_backend_state *drm, struct wlr_drm_crtc *crtc) {
if (!crtc || !crtc->cursor || !crtc->cursor->gbm) {
return true;
}
struct wlr_drm_plane *plane = crtc->cursor;
uint32_t bo_handle = gbm_bo_get_handle(plane->cursor_bo).u32;
if (drmModeSetCursor(drm->fd, crtc->id, bo_handle, plane->width, plane->height)) {
wlr_log_errno(L_ERROR, "Failed to set hardware cursor");
return false;
}
return true;
}
static bool wlr_drm_output_set_cursor(struct wlr_output_state *output,
const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height) {
struct wlr_backend_state *drm = wl_container_of(output->renderer, drm, renderer);
@ -565,10 +536,10 @@ static bool wlr_drm_output_set_cursor(struct wlr_output_state *output,
struct wlr_drm_plane *plane = crtc->cursor;
if (!buf) {
drmModeSetCursor(drm->fd, crtc->id, 0, 0, 0);
return true;
return drm->iface->crtc_set_cursor(drm, crtc, NULL);
}
// We don't have a real cursor plane, so we make a fake one
if (!plane) {
plane = calloc(1, sizeof(*plane));
if (!plane) {
@ -591,7 +562,7 @@ static bool wlr_drm_output_set_cursor(struct wlr_output_state *output,
return false;
}
if (!wlr_drm_plane_renderer_init(renderer, plane, w, h, 0)) {
if (!wlr_drm_plane_renderer_init(renderer, plane, w, h, GBM_FORMAT_ARGB8888, 0)) {
wlr_log(L_ERROR, "Cannot allocate cursor resources");
return false;
}
@ -653,14 +624,14 @@ static bool wlr_drm_output_set_cursor(struct wlr_output_state *output,
gbm_bo_unmap(bo, bo_data);
return wlr_drm_crtc_set_cursor(drm, crtc);
return drm->iface->crtc_set_cursor(drm, crtc, bo);
}
static bool wlr_drm_output_move_cursor(struct wlr_output_state *output,
int x, int y) {
struct wlr_backend_state *drm =
wl_container_of(output->renderer, drm, renderer);
return !drmModeMoveCursor(drm->fd, output->crtc->id, x, y);
return drm->iface->crtc_move_cursor(drm, output->crtc, x, y);
}
static void wlr_drm_output_destroy(struct wlr_output_state *output) {

1
backend/egl.c
View file

@ -162,6 +162,7 @@ error:
}
void wlr_egl_free(struct wlr_egl *egl) {
eglMakeCurrent(egl->display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
eglDestroyContext(egl->display, egl->context);
eglTerminate(egl->display);
eglReleaseThread();

2
backend/meson.build
View file

@ -7,6 +7,8 @@ wlr_files += files(
'session/session.c',
'drm/backend.c',
'drm/drm.c',
'drm/drm-atomic.c',
'drm/drm-legacy.c',
'drm/drm-properties.c',
'drm/drm-util.c',
'libinput/backend.c',

7
include/backend/drm-properties.h
View file

@ -27,8 +27,13 @@ union wlr_drm_crtc_props {
// Neither of these are guranteed to exist
uint32_t rotation;
uint32_t scaling_mode;
// atomic-modesetting only
uint32_t active;
uint32_t mode_id;
};
uint32_t props[2];
uint32_t props[4];
};
union wlr_drm_plane_props {

2
include/backend/drm-util.h
View file

@ -12,6 +12,8 @@ int32_t calculate_refresh_rate(drmModeModeInfo *mode);
void parse_edid(struct wlr_output *restrict output, size_t len, const uint8_t *data);
// Returns the string representation of a DRM output type
const char *conn_get_name(uint32_t type_id);
// Returns the DRM framebuffer id for a gbm_bo
uint32_t get_fb_for_bo(struct gbm_bo *bo);
// Part of match_obj
enum {

23
include/backend/drm.h
View file

@ -43,6 +43,9 @@ struct wlr_drm_plane {
struct wlr_drm_crtc {
uint32_t id;
uint32_t mode_id; // atomic modesetting only
drmModeAtomicReq *atomic;
union {
struct {
struct wlr_drm_plane *overlay;
@ -76,8 +79,11 @@ struct wlr_drm_renderer {
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_backend_state {
struct wlr_backend *base;
const struct wlr_drm_interface *iface;
int fd;
dev_t dev;
@ -150,6 +156,22 @@ struct wlr_output_state {
bool pageflip_pending;
};
// Used to provide atomic or legacy DRM functions
struct wlr_drm_interface {
// Enable or disable DPMS for output
void (*conn_enable)(struct wlr_backend_state *drm, struct wlr_output_state *output,
bool enable);
// Pageflip on crtc. If mode is non-NULL perform a full modeset using it.
bool (*crtc_pageflip)(struct wlr_backend_state *drm, struct wlr_output_state *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_backend_state *drm, struct wlr_drm_crtc *crtc,
struct gbm_bo *bo);
// Move the cursor on crtc
bool (*crtc_move_cursor)(struct wlr_backend_state *drm, struct wlr_drm_crtc *crtc,
int x, int y);
};
bool wlr_drm_check_features(struct wlr_backend_state *drm);
bool wlr_drm_resources_init(struct wlr_backend_state *drm);
void wlr_drm_resources_free(struct wlr_backend_state *drm);
@ -159,6 +181,5 @@ void wlr_drm_scan_connectors(struct wlr_backend_state *state);
int wlr_drm_event(int fd, uint32_t mask, void *data);
void wlr_drm_output_start_renderer(struct wlr_output_state *output);
bool wlr_drm_crtc_set_cursor(struct wlr_backend_state *drm, struct wlr_drm_crtc *crtc);
#endif