Merge pull request #44 from ascent12/drm
DRM plane support, refactoring, and other changes
This commit is contained in:
Drew DeVault
GitHub
commit
ab063c3936
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@ -15,24 +15,27 @@
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#include "backend/udev.h"
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#include "backend/drm.h"
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static bool wlr_drm_backend_init(struct wlr_backend_state *state) {
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wlr_drm_scan_connectors(state);
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static bool wlr_drm_backend_init(struct wlr_backend_state *drm) {
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wlr_drm_scan_connectors(drm);
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return true;
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}
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static void wlr_drm_backend_destroy(struct wlr_backend_state *state) {
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if (!state) {
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static void wlr_drm_backend_destroy(struct wlr_backend_state *drm) {
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if (!drm) {
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return;
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}
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for (size_t i = 0; state->outputs && i < state->outputs->length; ++i) {
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struct wlr_output_state *output = state->outputs->items[i];
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wlr_output_destroy(output->wlr_output);
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for (size_t i = 0; drm->outputs && i < drm->outputs->length; ++i) {
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struct wlr_output_state *output = drm->outputs->items[i];
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wlr_output_destroy(output->base);
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}
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wlr_udev_signal_remove(state->udev, &state->drm_invalidated);
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wlr_drm_renderer_free(&state->renderer);
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wlr_session_close_file(state->session, state->fd);
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wl_event_source_remove(state->drm_event);
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free(state);
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wlr_udev_signal_remove(drm->udev, &drm->drm_invalidated);
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wlr_drm_renderer_free(&drm->renderer);
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wlr_drm_resources_free(drm);
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wlr_session_close_file(drm->session, drm->fd);
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wl_event_source_remove(drm->drm_event);
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free(drm);
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}
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static struct wlr_backend_impl backend_impl = {
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@ -50,14 +53,10 @@ static void session_signal(struct wl_listener *listener, void *data) {
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for (size_t i = 0; i < drm->outputs->length; ++i) {
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struct wlr_output_state *output = drm->outputs->items[i];
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wlr_drm_output_start_renderer(output);
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wlr_drm_crtc_set_cursor(drm, output->crtc);
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}
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} else {
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wlr_log(L_INFO, "DRM fd paused");
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for (size_t i = 0; i < drm->outputs->length; ++i) {
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struct wlr_output_state *output = drm->outputs->items[i];
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wlr_drm_output_pause_renderer(output);
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}
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}
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}
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@ -76,64 +75,68 @@ static void drm_invalidated(struct wl_listener *listener, void *data) {
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struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
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struct wlr_session *session, struct wlr_udev *udev, int gpu_fd) {
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assert(display && session && gpu_fd > 0);
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assert(display && session && gpu_fd >= 0);
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char *name = drmGetDeviceNameFromFd2(gpu_fd);
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drmVersion *version = drmGetVersion(gpu_fd);
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wlr_log(L_INFO, "Initalizing DRM backend for %s (%s)", name, version->name);
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free(name);
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drmFreeVersion(version);
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struct wlr_backend_state *state = calloc(1, sizeof(struct wlr_backend_state));
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if (!state) {
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wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
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struct wlr_backend_state *drm = calloc(1, sizeof(*drm));
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if (!drm) {
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wlr_log_errno(L_ERROR, "Allocation failed");
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return NULL;
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}
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struct wlr_backend *backend = wlr_backend_create(&backend_impl, state);
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struct wlr_backend *backend = wlr_backend_create(&backend_impl, drm);
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if (!backend) {
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wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
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wlr_log_errno(L_ERROR, "Allocation failed");
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return NULL;
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}
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state->backend = backend;
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state->session = session;
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state->udev = udev;
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state->outputs = list_create();
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if (!state->outputs) {
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drm->base = backend;
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drm->session = session;
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drm->udev = udev;
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drm->outputs = list_create();
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if (!drm->outputs) {
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wlr_log(L_ERROR, "Failed to allocate list");
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goto error_backend;
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}
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state->fd = gpu_fd;
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drm->fd = gpu_fd;
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struct stat st;
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if (fstat(state->fd, &st) < 0) {
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wlr_log(L_ERROR, "Stat failed: %s", strerror(errno));
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if (fstat(drm->fd, &st) < 0) {
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wlr_log_errno(L_ERROR, "Stat failed");
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}
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state->dev = st.st_rdev;
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drm->dev = st.st_rdev;
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state->drm_invalidated.notify = drm_invalidated;
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wlr_udev_signal_add(udev, state->dev, &state->drm_invalidated);
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drm->drm_invalidated.notify = drm_invalidated;
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wlr_udev_signal_add(udev, drm->dev, &drm->drm_invalidated);
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state->display = display;
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drm->display = display;
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struct wl_event_loop *event_loop = wl_display_get_event_loop(display);
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state->drm_event = wl_event_loop_add_fd(event_loop, state->fd,
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drm->drm_event = wl_event_loop_add_fd(event_loop, drm->fd,
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WL_EVENT_READABLE, wlr_drm_event, NULL);
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if (!state->drm_event) {
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if (!drm->drm_event) {
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wlr_log(L_ERROR, "Failed to create DRM event source");
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goto error_fd;
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}
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state->session_signal.notify = session_signal;
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wl_signal_add(&session->session_signal, &state->session_signal);
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drm->session_signal.notify = session_signal;
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wl_signal_add(&session->session_signal, &drm->session_signal);
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// TODO: what is the difference between the per-output renderer and this
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// one?
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if (!wlr_drm_renderer_init(&state->renderer, state->fd)) {
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if (!wlr_drm_check_features(drm)) {
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goto error_event;
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}
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if (!wlr_drm_resources_init(drm)) {
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goto error_event;
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}
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if (!wlr_drm_renderer_init(&drm->renderer, drm->fd)) {
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wlr_log(L_ERROR, "Failed to initialize renderer");
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goto error_event;
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}
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@ -141,12 +144,12 @@ struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
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return backend;
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error_event:
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wl_event_source_remove(state->drm_event);
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wl_event_source_remove(drm->drm_event);
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error_fd:
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wlr_session_close_file(state->session, state->fd);
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list_free(state->outputs);
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wlr_session_close_file(drm->session, drm->fd);
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list_free(drm->outputs);
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error_backend:
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free(state);
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free(drm);
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free(backend);
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return NULL;
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}
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@ -0,0 +1,143 @@
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <xf86drm.h>
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#include <xf86drmMode.h>
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#include <wlr/util/log.h>
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#include "backend/drm-properties.h"
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/*
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* Creates a mapping between property names and an array index where to store
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* the ids. The prop_info arrays must be sorted by name, as bsearch is used to
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* search them.
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*/
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struct prop_info {
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const char *name;
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size_t index;
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};
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static const struct prop_info connector_info[] = {
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#define INDEX(name) (offsetof(union wlr_drm_connector_props, name) / sizeof(uint32_t))
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{ "CRTC_ID", INDEX(crtc_id) },
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{ "DPMS", INDEX(dpms) },
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{ "EDID", INDEX(edid) },
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#undef INDEX
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};
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static const struct prop_info crtc_info[] = {
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#define INDEX(name) (offsetof(union wlr_drm_crtc_props, name) / sizeof(uint32_t))
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{ "rotation", INDEX(rotation) },
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{ "scaling mode", INDEX(scaling_mode) },
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#undef INDEX
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};
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static const struct prop_info plane_info[] = {
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#define INDEX(name) (offsetof(union wlr_drm_plane_props, name) / sizeof(uint32_t))
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{ "CRTC_H", INDEX(crtc_h) },
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{ "CRTC_ID", INDEX(crtc_id) },
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{ "CRTC_W", INDEX(crtc_w) },
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{ "CRTC_X", INDEX(crtc_x) },
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{ "CRTC_Y", INDEX(crtc_y) },
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{ "FB_ID", INDEX(fb_id) },
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{ "SRC_H", INDEX(src_h) },
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{ "SRC_W", INDEX(src_w) },
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{ "SRC_X", INDEX(src_x) },
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{ "SRC_Y", INDEX(src_y) },
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{ "type", INDEX(type) },
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#undef INDEX
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};
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static int cmp_prop_info(const void *arg1, const void *arg2) {
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const char *key = arg1;
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const struct prop_info *elem = arg2;
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return strcmp(key, elem->name);
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}
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static bool scan_properties(int fd, uint32_t id, uint32_t type, uint32_t *result,
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const struct prop_info *info, size_t info_len) {
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drmModeObjectProperties *props = drmModeObjectGetProperties(fd, id, type);
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if (!props) {
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wlr_log_errno(L_ERROR, "Failed to get DRM object properties");
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return false;
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}
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for (uint32_t i = 0; i < props->count_props; ++i) {
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drmModePropertyRes *prop = drmModeGetProperty(fd, props->props[i]);
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if (!prop) {
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wlr_log_errno(L_ERROR, "Failed to get DRM object property");
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continue;
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}
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const struct prop_info *p =
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bsearch(prop->name, info, info_len, sizeof(info[0]), cmp_prop_info);
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if (p) {
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result[p->index] = prop->prop_id;
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}
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drmModeFreeProperty(prop);
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}
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drmModeFreeObjectProperties(props);
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return true;
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}
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bool wlr_drm_get_connector_props(int fd, uint32_t id, union wlr_drm_connector_props *out) {
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return scan_properties(fd, id, DRM_MODE_OBJECT_CONNECTOR, out->props,
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connector_info, sizeof(connector_info) / sizeof(connector_info[0]));
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}
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bool wlr_drm_get_crtc_props(int fd, uint32_t id, union wlr_drm_crtc_props *out) {
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return scan_properties(fd, id, DRM_MODE_OBJECT_CRTC, out->props,
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crtc_info, sizeof(crtc_info) / sizeof(crtc_info[0]));
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}
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bool wlr_drm_get_plane_props(int fd, uint32_t id, union wlr_drm_plane_props *out) {
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return scan_properties(fd, id, DRM_MODE_OBJECT_PLANE, out->props,
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plane_info, sizeof(plane_info) / sizeof(plane_info[0]));
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}
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bool wlr_drm_get_prop(int fd, uint32_t obj, uint32_t prop, uint64_t *ret) {
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drmModeObjectProperties *props = drmModeObjectGetProperties(fd, obj, DRM_MODE_OBJECT_ANY);
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if (!props) {
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return false;
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}
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bool found = false;
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for (uint32_t i = 0; i < props->count_props; ++i) {
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if (props->props[i] == prop) {
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*ret = props->prop_values[i];
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found = true;
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break;
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}
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}
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drmModeFreeObjectProperties(props);
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return found;
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}
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void *wlr_drm_get_prop_blob(int fd, uint32_t obj, uint32_t prop, size_t *ret_len) {
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uint64_t blob_id;
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if (!wlr_drm_get_prop(fd, obj, prop, &blob_id)) {
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return NULL;
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}
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drmModePropertyBlobRes *blob = drmModeGetPropertyBlob(fd, blob_id);
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if (!blob) {
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return NULL;
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}
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void *ptr = malloc(blob->length);
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if (!ptr) {
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drmModeFreePropertyBlob(blob);
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return NULL;
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}
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memcpy(ptr, blob->data, blob->length);
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*ret_len = blob->length;
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drmModeFreePropertyBlob(blob);
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return ptr;
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}
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@ -0,0 +1,267 @@
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#include <stdio.h>
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#include <string.h>
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#include <drm.h>
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#include <drm_mode.h>
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#include "backend/drm-util.h"
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int32_t calculate_refresh_rate(drmModeModeInfo *mode) {
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int32_t refresh = (mode->clock * 1000000LL / mode->htotal +
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mode->vtotal / 2) / mode->vtotal;
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if (mode->flags & DRM_MODE_FLAG_INTERLACE) {
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refresh *= 2;
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}
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if (mode->flags & DRM_MODE_FLAG_DBLSCAN) {
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refresh /= 2;
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}
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if (mode->vscan > 1) {
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refresh /= mode->vscan;
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}
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return refresh;
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}
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// Constructed from http://edid.tv/manufacturer
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static const char *get_manufacturer(uint16_t id) {
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#define ID(a, b, c) ((a & 0x1f) << 10) | ((b & 0x1f) << 5) | (c & 0x1f)
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switch (id) {
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case ID('A', 'A', 'A'): return "Avolites Ltd";
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case ID('A', 'C', 'I'): return "Ancor Communications Inc";
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case ID('A', 'C', 'R'): return "Acer Technologies";
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case ID('A', 'P', 'P'): return "Apple Computer Inc";
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case ID('B', 'N', 'O'): return "Bang & Olufsen";
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case ID('C', 'M', 'N'): return "Chimei Innolux Corporation";
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case ID('C', 'M', 'O'): return "Chi Mei Optoelectronics corp.";
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case ID('C', 'R', 'O'): return "Extraordinary Technologies PTY Limited";
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case ID('D', 'E', 'L'): return "Dell Inc.";
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case ID('D', 'O', 'N'): return "DENON, Ltd.";
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case ID('E', 'N', 'C'): return "Eizo Nanao Corporation";
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case ID('E', 'P', 'H'): return "Epiphan Systems Inc.";
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case ID('F', 'U', 'S'): return "Fujitsu Siemens Computers GmbH";
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case ID('G', 'S', 'M'): return "Goldstar Company Ltd";
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case ID('H', 'I', 'Q'): return "Kaohsiung Opto Electronics Americas, Inc.";
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case ID('H', 'S', 'D'): return "HannStar Display Corp";
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case ID('H', 'W', 'P'): return "Hewlett Packard";
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case ID('I', 'N', 'T'): return "Interphase Corporation";
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case ID('I', 'V', 'M'): return "Iiyama North America";
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case ID('L', 'E', 'N'): return "Lenovo Group Limited";
|
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case ID('M', 'A', 'X'): return "Rogen Tech Distribution Inc";
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case ID('M', 'E', 'G'): return "Abeam Tech Ltd";
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case ID('M', 'E', 'I'): return "Panasonic Industry Company";
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case ID('M', 'T', 'C'): return "Mars-Tech Corporation";
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case ID('M', 'T', 'X'): return "Matrox";
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case ID('N', 'E', 'C'): return "NEC Corporation";
|
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case ID('O', 'N', 'K'): return "ONKYO Corporation";
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case ID('O', 'R', 'N'): return "ORION ELECTRIC CO., LTD.";
|
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case ID('O', 'T', 'M'): return "Optoma Corporation";
|
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case ID('O', 'V', 'R'): return "Oculus VR, Inc.";
|
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case ID('P', 'H', 'L'): return "Philips Consumer Electronics Company";
|
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case ID('P', 'I', 'O'): return "Pioneer Electronic Corporation";
|
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case ID('P', 'N', 'R'): return "Planar Systems, Inc.";
|
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case ID('Q', 'D', 'S'): return "Quanta Display Inc.";
|
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case ID('S', 'A', 'M'): return "Samsung Electric Company";
|
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case ID('S', 'E', 'C'): return "Seiko Epson Corporation";
|
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case ID('S', 'H', 'P'): return "Sharp Corporation";
|
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case ID('S', 'I', 'I'): return "Silicon Image, Inc.";
|
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case ID('S', 'N', 'Y'): return "Sony";
|
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case ID('T', 'O', 'P'): return "Orion Communications Co., Ltd.";
|
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case ID('T', 'S', 'B'): return "Toshiba America Info Systems Inc";
|
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case ID('T', 'S', 'T'): return "Transtream Inc";
|
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case ID('U', 'N', 'K'): return "Unknown";
|
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case ID('V', 'I', 'Z'): return "VIZIO, Inc";
|
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case ID('V', 'S', 'C'): return "ViewSonic Corporation";
|
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case ID('Y', 'M', 'H'): return "Yamaha Corporation";
|
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default: return "Unknown";
|
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}
|
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#undef ID
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}
|
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|
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/* See https://en.wikipedia.org/wiki/Extended_Display_Identification_Data for layout of EDID data.
|
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* We don't parse the EDID properly. We just expect to receive valid data.
|
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*/
|
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void parse_edid(struct wlr_output *restrict output, size_t len, const uint8_t *data) {
|
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if (!data || len < 128) {
|
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snprintf(output->make, sizeof(output->make), "<Unknown>");
|
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snprintf(output->model, sizeof(output->model), "<Unknown>");
|
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return;
|
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}
|
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|
||||
uint16_t id = (data[8] << 8) | data[9];
|
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snprintf(output->make, sizeof(output->make), "%s", get_manufacturer(id));
|
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|
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output->phys_width = ((data[68] & 0xf0) << 4) | data[66];
|
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output->phys_height = ((data[68] & 0x0f) << 8) | data[67];
|
||||
|
||||
for (size_t i = 72; i <= 108; i += 18) {
|
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uint16_t flag = (data[i] << 8) | data[i + 1];
|
||||
if (flag == 0 && data[i + 3] == 0xFC) {
|
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sprintf(output->model, "%.13s", &data[i + 5]);
|
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|
||||
// Monitor names are terminated by newline if they're too short
|
||||
char *nl = strchr(output->model, '\n');
|
||||
if (nl) {
|
||||
*nl = '\0';
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
const char *conn_get_name(uint32_t type_id) {
|
||||
switch (type_id) {
|
||||
case DRM_MODE_CONNECTOR_Unknown: return "Unknown";
|
||||
case DRM_MODE_CONNECTOR_VGA: return "VGA";
|
||||
case DRM_MODE_CONNECTOR_DVII: return "DVI-I";
|
||||
case DRM_MODE_CONNECTOR_DVID: return "DVI-D";
|
||||
case DRM_MODE_CONNECTOR_DVIA: return "DVI-A";
|
||||
case DRM_MODE_CONNECTOR_Composite: return "Composite";
|
||||
case DRM_MODE_CONNECTOR_SVIDEO: return "SVIDEO";
|
||||
case DRM_MODE_CONNECTOR_LVDS: return "LVDS";
|
||||
case DRM_MODE_CONNECTOR_Component: return "Component";
|
||||
case DRM_MODE_CONNECTOR_9PinDIN: return "DIN";
|
||||
case DRM_MODE_CONNECTOR_DisplayPort: return "DP";
|
||||
case DRM_MODE_CONNECTOR_HDMIA: return "HDMI-A";
|
||||
case DRM_MODE_CONNECTOR_HDMIB: return "HDMI-B";
|
||||
case DRM_MODE_CONNECTOR_TV: return "TV";
|
||||
case DRM_MODE_CONNECTOR_eDP: return "eDP";
|
||||
case DRM_MODE_CONNECTOR_VIRTUAL: return "Virtual";
|
||||
case DRM_MODE_CONNECTOR_DSI: return "DSI";
|
||||
default: return "Unknown";
|
||||
}
|
||||
}
|
||||
|
||||
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) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/*
|
||||
* Store all of the non-recursive state in a struct, so we aren't literally
|
||||
* passing 12 arguments to a function.
|
||||
*/
|
||||
struct match_state {
|
||||
const size_t num_objs;
|
||||
const uint32_t *restrict objs;
|
||||
const size_t num_res;
|
||||
size_t score;
|
||||
size_t replaced;
|
||||
uint32_t *restrict res;
|
||||
uint32_t *restrict best;
|
||||
const uint32_t *restrict orig;
|
||||
bool exit_early;
|
||||
};
|
||||
|
||||
/*
|
||||
* skips: The number of SKIP elements encountered so far.
|
||||
* score: The number of resources we've matched so far.
|
||||
* replaced: The number of changes from the original solution.
|
||||
* i: The index of the current element.
|
||||
*
|
||||
* This tries to match a solution as close to st->orig as it can.
|
||||
*
|
||||
* Returns whether we've set a new best element with this solution.
|
||||
*/
|
||||
static bool match_obj_(struct match_state *st, size_t skips, size_t score, size_t replaced, size_t i) {
|
||||
// Finished
|
||||
if (i >= st->num_res) {
|
||||
if (score > st->score || (score == st->score && replaced < st->replaced)) {
|
||||
st->score = score;
|
||||
st->replaced = replaced;
|
||||
memcpy(st->best, st->res, sizeof st->best[0] * st->num_res);
|
||||
|
||||
if (st->score == st->num_objs && st->replaced == 0) {
|
||||
st->exit_early = true;
|
||||
}
|
||||
st->exit_early = (st->score == st->num_res - skips
|
||||
|| st->score == st->num_objs)
|
||||
&& st->replaced == 0;
|
||||
|
||||
return true;
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
if (st->orig[i] == SKIP) {
|
||||
st->res[i] = SKIP;
|
||||
return match_obj_(st, skips + 1, score, replaced, i + 1);
|
||||
}
|
||||
|
||||
/*
|
||||
* Attempt to use the current solution first, to try and avoid
|
||||
* recalculating everything
|
||||
*/
|
||||
|
||||
if (st->orig[i] != UNMATCHED && !is_taken(i, st->res, st->orig[i])) {
|
||||
st->res[i] = st->orig[i];
|
||||
if (match_obj_(st, skips, score + 1, replaced, i + 1)) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
if (st->orig[i] != UNMATCHED) {
|
||||
++replaced;
|
||||
}
|
||||
|
||||
bool is_best = false;
|
||||
for (st->res[i] = 0; st->res[i] < st->num_objs; ++st->res[i]) {
|
||||
// We tried this earlier
|
||||
if (st->res[i] == st->orig[i]) {
|
||||
continue;
|
||||
}
|
||||
|
||||
// Not compatable
|
||||
if (!(st->objs[st->res[i]] & (1 << i))) {
|
||||
continue;
|
||||
}
|
||||
|
||||
// Already taken
|
||||
if (is_taken(i, st->res, st->res[i])) {
|
||||
continue;
|
||||
}
|
||||
|
||||
if (match_obj_(st, skips, score + 1, replaced, i + 1)) {
|
||||
is_best = true;
|
||||
}
|
||||
|
||||
if (st->exit_early) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
if (is_best) {
|
||||
return true;
|
||||
}
|
||||
|
||||
// Maybe this resource can't be matched
|
||||
st->res[i] = UNMATCHED;
|
||||
return match_obj_(st, skips, score, replaced, i + 1);
|
||||
}
|
||||
|
||||
size_t match_obj(size_t num_objs, const uint32_t objs[static restrict num_objs],
|
||||
size_t num_res, const uint32_t res[static restrict num_res],
|
||||
uint32_t out[static restrict num_res]) {
|
||||
uint32_t solution[num_res];
|
||||
|
||||
struct match_state st = {
|
||||
.num_objs = num_objs,
|
||||
.num_res = num_res,
|
||||
.score = 0,
|
||||
.replaced = SIZE_MAX,
|
||||
.objs = objs,
|
||||
.res = solution,
|
||||
.best = out,
|
||||
.orig = res,
|
||||
.exit_early = false,
|
||||
};
|
||||
|
||||
match_obj_(&st, 0, 0, 0, 0);
|
||||
return st.score;
|
||||
}
|
||||
1021
backend/drm/drm.c
1021
backend/drm/drm.c
File diff suppressed because it is too large
Load Diff
|
|
@ -99,7 +99,7 @@ static bool egl_get_config(EGLDisplay disp, EGLConfig *out, EGLenum platform) {
|
|||
continue;
|
||||
}
|
||||
|
||||
if (gbm_format == GBM_FORMAT_XRGB8888) {
|
||||
if (gbm_format == GBM_FORMAT_ARGB8888) {
|
||||
*out = configs[i];
|
||||
return true;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -7,6 +7,8 @@ wlr_files += files(
|
|||
'session/session.c',
|
||||
'drm/backend.c',
|
||||
'drm/drm.c',
|
||||
'drm/drm-properties.c',
|
||||
'drm/drm-util.c',
|
||||
'libinput/backend.c',
|
||||
'libinput/events.c',
|
||||
'libinput/keyboard.c',
|
||||
|
|
|
|||
|
|
@ -0,0 +1,62 @@
|
|||
#ifndef DRM_PROPERTIES_H
|
||||
#define DRM_PROPERTIES_H
|
||||
|
||||
#include <stdbool.h>
|
||||
#include <stdint.h>
|
||||
|
||||
/*
|
||||
* These types contain the property ids for several DRM objects.
|
||||
* See https://01.org/linuxgraphics/gfx-docs/drm/gpu/drm-kms.html#kms-properties
|
||||
* for more details.
|
||||
*/
|
||||
|
||||
union wlr_drm_connector_props {
|
||||
struct {
|
||||
uint32_t edid;
|
||||
uint32_t dpms;
|
||||
|
||||
// atomic-modesetting only
|
||||
|
||||
uint32_t crtc_id;
|
||||
};
|
||||
uint32_t props[3];
|
||||
};
|
||||
|
||||
union wlr_drm_crtc_props {
|
||||
struct {
|
||||
// Neither of these are guranteed to exist
|
||||
uint32_t rotation;
|
||||
uint32_t scaling_mode;
|
||||
};
|
||||
uint32_t props[2];
|
||||
};
|
||||
|
||||
union wlr_drm_plane_props {
|
||||
struct {
|
||||
uint32_t type;
|
||||
uint32_t rotation; // Not guranteed to exist
|
||||
|
||||
// atomic-modesetting only
|
||||
|
||||
uint32_t src_x;
|
||||
uint32_t src_y;
|
||||
uint32_t src_w;
|
||||
uint32_t src_h;
|
||||
uint32_t crtc_x;
|
||||
uint32_t crtc_y;
|
||||
uint32_t crtc_w;
|
||||
uint32_t crtc_h;
|
||||
uint32_t fb_id;
|
||||
uint32_t crtc_id;
|
||||
};
|
||||
uint32_t props[12];
|
||||
};
|
||||
|
||||
bool wlr_drm_get_connector_props(int fd, uint32_t id, union wlr_drm_connector_props *out);
|
||||
bool wlr_drm_get_crtc_props(int fd, uint32_t id, union wlr_drm_crtc_props *out);
|
||||
bool wlr_drm_get_plane_props(int fd, uint32_t id, union wlr_drm_plane_props *out);
|
||||
|
||||
bool wlr_drm_get_prop(int fd, uint32_t obj, uint32_t prop, uint64_t *ret);
|
||||
void *wlr_drm_get_prop_blob(int fd, uint32_t obj, uint32_t prop, size_t *ret_len);
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,37 @@
|
|||
#ifndef WLR_DRM_UTIL_H
|
||||
#define WLR_DRM_UTIL_H
|
||||
|
||||
#include <stdint.h>
|
||||
#include <xf86drm.h>
|
||||
#include <xf86drmMode.h>
|
||||
#include <wlr/types/wlr_output.h>
|
||||
|
||||
// Calculates a more accurate refresh rate (mHz) than what mode itself provides
|
||||
int32_t calculate_refresh_rate(drmModeModeInfo *mode);
|
||||
// Populates the make/model/phys_{width,height} of output from the edid data
|
||||
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);
|
||||
|
||||
// Part of match_obj
|
||||
enum {
|
||||
UNMATCHED = (uint32_t)-1,
|
||||
SKIP = (uint32_t)-2,
|
||||
};
|
||||
|
||||
/*
|
||||
* Tries to match some DRM objects with some other DRM resource.
|
||||
* e.g. Match CRTCs with Encoders, CRTCs with Planes.
|
||||
*
|
||||
* objs contains a bit array which resources it can be matched with.
|
||||
* e.g. Bit 0 set means can be matched with res[0]
|
||||
*
|
||||
* res contains an index of which objs it is matched with or UNMATCHED.
|
||||
*
|
||||
* This solution is left in out.
|
||||
* Returns the total number of matched solutions.
|
||||
*/
|
||||
size_t match_obj(size_t num_objs, const uint32_t objs[static restrict num_objs],
|
||||
size_t num_res, const uint32_t res[static restrict num_res],
|
||||
uint32_t out[static restrict num_res]);
|
||||
#endif
|
||||
|
|
@ -14,8 +14,58 @@
|
|||
#include <wlr/backend/drm.h>
|
||||
#include <wlr/util/list.h>
|
||||
|
||||
#include "backend/egl.h"
|
||||
#include "backend/udev.h"
|
||||
#include <backend/egl.h>
|
||||
#include <backend/udev.h>
|
||||
#include "drm-properties.h"
|
||||
|
||||
struct wlr_drm_plane {
|
||||
uint32_t type;
|
||||
uint32_t id;
|
||||
|
||||
uint32_t possible_crtcs;
|
||||
|
||||
uint32_t width, height;
|
||||
|
||||
struct gbm_surface *gbm;
|
||||
EGLSurface egl;
|
||||
|
||||
struct gbm_bo *front;
|
||||
struct gbm_bo *back;
|
||||
|
||||
// Only used by cursor
|
||||
float matrix[16];
|
||||
struct wlr_renderer *wlr_rend;
|
||||
struct wlr_surface *wlr_surf;
|
||||
struct gbm_bo *cursor_bo;
|
||||
|
||||
union wlr_drm_plane_props props;
|
||||
};
|
||||
|
||||
struct wlr_drm_crtc {
|
||||
uint32_t id;
|
||||
union {
|
||||
struct {
|
||||
struct wlr_drm_plane *overlay;
|
||||
struct wlr_drm_plane *primary;
|
||||
struct wlr_drm_plane *cursor;
|
||||
};
|
||||
struct wlr_drm_plane *planes[3];
|
||||
};
|
||||
|
||||
union wlr_drm_crtc_props props;
|
||||
|
||||
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;
|
||||
|
|
@ -27,10 +77,34 @@ bool wlr_drm_renderer_init(struct wlr_drm_renderer *renderer, int fd);
|
|||
void wlr_drm_renderer_free(struct wlr_drm_renderer *renderer);
|
||||
|
||||
struct wlr_backend_state {
|
||||
struct wlr_backend *base;
|
||||
|
||||
int fd;
|
||||
dev_t dev;
|
||||
|
||||
struct wlr_backend *backend;
|
||||
size_t num_crtcs;
|
||||
struct wlr_drm_crtc *crtcs;
|
||||
size_t num_planes;
|
||||
struct wlr_drm_plane *planes;
|
||||
|
||||
union {
|
||||
struct {
|
||||
size_t num_overlay_planes;
|
||||
size_t num_primary_planes;
|
||||
size_t num_cursor_planes;
|
||||
};
|
||||
size_t num_type_planes[3];
|
||||
};
|
||||
|
||||
union {
|
||||
struct {
|
||||
struct wlr_drm_plane *overlay_planes;
|
||||
struct wlr_drm_plane *primary_planes;
|
||||
struct wlr_drm_plane *cursor_planes;
|
||||
};
|
||||
struct wlr_drm_plane *type_planes[3];
|
||||
};
|
||||
|
||||
struct wl_display *display;
|
||||
struct wl_event_source *drm_event;
|
||||
|
||||
|
|
@ -46,9 +120,9 @@ struct wlr_backend_state {
|
|||
};
|
||||
|
||||
enum wlr_drm_output_state {
|
||||
DRM_OUTPUT_DISCONNECTED,
|
||||
DRM_OUTPUT_NEEDS_MODESET,
|
||||
DRM_OUTPUT_CONNECTED,
|
||||
WLR_DRM_OUTPUT_DISCONNECTED,
|
||||
WLR_DRM_OUTPUT_NEEDS_MODESET,
|
||||
WLR_DRM_OUTPUT_CONNECTED,
|
||||
};
|
||||
|
||||
struct wlr_output_mode_state {
|
||||
|
|
@ -57,38 +131,34 @@ struct wlr_output_mode_state {
|
|||
};
|
||||
|
||||
struct wlr_output_state {
|
||||
struct wlr_output *wlr_output;
|
||||
struct wlr_output *base;
|
||||
enum wlr_drm_output_state state;
|
||||
uint32_t connector;
|
||||
|
||||
struct {
|
||||
uint32_t dpms;
|
||||
} props;
|
||||
struct wlr_drm_crtc *crtc;
|
||||
uint32_t possible_crtc;
|
||||
|
||||
union wlr_drm_connector_props props;
|
||||
|
||||
uint32_t width;
|
||||
uint32_t height;
|
||||
|
||||
uint32_t crtc;
|
||||
drmModeCrtc *old_crtc;
|
||||
|
||||
struct wlr_drm_renderer *renderer;
|
||||
EGLSurface *egl;
|
||||
struct gbm_surface *gbm;
|
||||
struct gbm_bo *bo[2];
|
||||
struct gbm_bo *cursor_bo[2];
|
||||
int current_cursor;
|
||||
uint32_t cursor_width, cursor_height;
|
||||
|
||||
bool pageflip_pending;
|
||||
bool cleanup;
|
||||
};
|
||||
|
||||
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);
|
||||
void wlr_drm_output_cleanup(struct wlr_output_state *output, bool restore);
|
||||
|
||||
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);
|
||||
void wlr_drm_output_pause_renderer(struct wlr_output_state *output);
|
||||
bool wlr_drm_crtc_set_cursor(struct wlr_backend_state *drm, struct wlr_drm_crtc *crtc);
|
||||
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -1,10 +1,16 @@
|
|||
#ifndef _WLR_RENDER_MATRIX_H
|
||||
#define _WLR_RENDER_MATRIX_H
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
void wlr_matrix_identity(float (*output)[16]);
|
||||
void wlr_matrix_translate(float (*output)[16], float x, float y, float z);
|
||||
void wlr_matrix_scale(float (*output)[16], float x, float y, float z);
|
||||
void wlr_matrix_rotate(float (*output)[16], float radians);
|
||||
void wlr_matrix_mul(const float (*x)[16], const float (*y)[16], float (*product)[16]);
|
||||
|
||||
enum wl_output_transform;
|
||||
void wlr_matrix_surface(float mat[static 16], int32_t width, int32_t height,
|
||||
enum wl_output_transform transform);
|
||||
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -1,5 +1,6 @@
|
|||
#include <string.h>
|
||||
#include <math.h>
|
||||
#include <wayland-server-protocol.h>
|
||||
#include <wlr/render/matrix.h>
|
||||
|
||||
/* Obtains the index for the given row/column */
|
||||
|
|
@ -81,3 +82,62 @@ void wlr_matrix_mul(const float (*x)[16], const float (*y)[16], float (*product)
|
|||
};
|
||||
memcpy(*product, _product, sizeof(_product));
|
||||
}
|
||||
|
||||
static const float transforms[][4] = {
|
||||
[WL_OUTPUT_TRANSFORM_NORMAL] = {
|
||||
1.0f, 0.0f,
|
||||
0.0f, -1.0f,
|
||||
},
|
||||
[WL_OUTPUT_TRANSFORM_90] = {
|
||||
0.0f, -1.0f,
|
||||
-1.0f, 0.0f,
|
||||
},
|
||||
[WL_OUTPUT_TRANSFORM_180] = {
|
||||
-1.0f, 0.0f,
|
||||
0.0f, 1.0f,
|
||||
},
|
||||
[WL_OUTPUT_TRANSFORM_270] = {
|
||||
0.0f, 1.0f,
|
||||
1.0f, 0.0f,
|
||||
},
|
||||
[WL_OUTPUT_TRANSFORM_FLIPPED] = {
|
||||
-1.0f, 0.0f,
|
||||
0.0f, -1.0f,
|
||||
},
|
||||
[WL_OUTPUT_TRANSFORM_FLIPPED_90] = {
|
||||
0.0f, 1.0f,
|
||||
-1.0f, 0.0f,
|
||||
},
|
||||
[WL_OUTPUT_TRANSFORM_FLIPPED_180] = {
|
||||
1.0f, 0.0f,
|
||||
0.0f, 1.0f,
|
||||
},
|
||||
[WL_OUTPUT_TRANSFORM_FLIPPED_270] = {
|
||||
0.0f, -1.0f,
|
||||
1.0f, 0.0f,
|
||||
},
|
||||
};
|
||||
|
||||
// Equivilent to glOrtho(0, width, 0, height, 1, -1) with the transform applied
|
||||
void wlr_matrix_surface(float mat[static 16], int32_t width, int32_t height,
|
||||
enum wl_output_transform transform) {
|
||||
memset(mat, 0, sizeof(*mat) * 16);
|
||||
|
||||
const float *t = transforms[transform];
|
||||
float x = 2.0f / width;
|
||||
float y = 2.0f / height;
|
||||
|
||||
// Rotation + relection
|
||||
mat[0] = x * t[0];
|
||||
mat[1] = x * t[1];
|
||||
mat[4] = y * t[2];
|
||||
mat[5] = y * t[3];
|
||||
|
||||
// Translation
|
||||
mat[3] = -copysign(1.0f, mat[0] + mat[1]);
|
||||
mat[7] = -copysign(1.0f, mat[4] + mat[5]);
|
||||
|
||||
// Identity
|
||||
mat[10] = 1.0f;
|
||||
mat[15] = 1.0f;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -88,67 +88,8 @@ struct wl_global *wlr_output_create_global(
|
|||
return wl_global;
|
||||
}
|
||||
|
||||
static const float transforms[][4] = {
|
||||
[WL_OUTPUT_TRANSFORM_NORMAL] = {
|
||||
1.0f, 0.0f,
|
||||
0.0f, -1.0f,
|
||||
},
|
||||
[WL_OUTPUT_TRANSFORM_90] = {
|
||||
0.0f, -1.0f,
|
||||
-1.0f, 0.0f,
|
||||
},
|
||||
[WL_OUTPUT_TRANSFORM_180] = {
|
||||
-1.0f, 0.0f,
|
||||
0.0f, 1.0f,
|
||||
},
|
||||
[WL_OUTPUT_TRANSFORM_270] = {
|
||||
0.0f, 1.0f,
|
||||
1.0f, 0.0f,
|
||||
},
|
||||
[WL_OUTPUT_TRANSFORM_FLIPPED] = {
|
||||
-1.0f, 0.0f,
|
||||
0.0f, -1.0f,
|
||||
},
|
||||
[WL_OUTPUT_TRANSFORM_FLIPPED_90] = {
|
||||
0.0f, 1.0f,
|
||||
-1.0f, 0.0f,
|
||||
},
|
||||
[WL_OUTPUT_TRANSFORM_FLIPPED_180] = {
|
||||
1.0f, 0.0f,
|
||||
0.0f, 1.0f,
|
||||
},
|
||||
[WL_OUTPUT_TRANSFORM_FLIPPED_270] = {
|
||||
0.0f, -1.0f,
|
||||
1.0f, 0.0f,
|
||||
},
|
||||
};
|
||||
|
||||
// Equivilent to glOrtho(0, width, 0, height, 1, -1) with the transform applied
|
||||
static void set_matrix(float mat[static 16], int32_t width, int32_t height,
|
||||
enum wl_output_transform transform) {
|
||||
memset(mat, 0, sizeof(*mat) * 16);
|
||||
|
||||
const float *t = transforms[transform];
|
||||
float x = 2.0f / width;
|
||||
float y = 2.0f / height;
|
||||
|
||||
// Rotation + relection
|
||||
mat[0] = x * t[0];
|
||||
mat[1] = x * t[1];
|
||||
mat[4] = y * t[2];
|
||||
mat[5] = y * t[3];
|
||||
|
||||
// Translation
|
||||
mat[3] = -copysign(1.0f, mat[0] + mat[1]);
|
||||
mat[7] = -copysign(1.0f, mat[4] + mat[5]);
|
||||
|
||||
// Identity
|
||||
mat[10] = 1.0f;
|
||||
mat[15] = 1.0f;
|
||||
}
|
||||
|
||||
void wlr_output_update_matrix(struct wlr_output *output) {
|
||||
set_matrix(output->transform_matrix, output->width, output->height, output->transform);
|
||||
wlr_matrix_surface(output->transform_matrix, output->width, output->height, output->transform);
|
||||
}
|
||||
|
||||
struct wlr_output *wlr_output_create(struct wlr_output_impl *impl,
|
||||
|
|
@ -206,7 +147,7 @@ bool wlr_output_set_cursor(struct wlr_output *output,
|
|||
output->cursor.texture = wlr_render_surface_init(output->cursor.renderer);
|
||||
}
|
||||
|
||||
wlr_surface_attach_pixels(output->cursor.texture, WL_SHM_FORMAT_ABGR8888,
|
||||
wlr_surface_attach_pixels(output->cursor.texture, WL_SHM_FORMAT_ARGB8888,
|
||||
stride, width, height, buf);
|
||||
|
||||
return true;
|
||||
|
|
|
|||
Loading…
Reference in New Issue