mirror of
https://gitlab.freedesktop.org/wlroots/wlroots.git
synced 2025-10-29 05:40:12 -04:00
Generalize output handling
This commit is contained in:
Drew DeVault
parent
15b1ce9e6c
commit
00931f2f8f
16 changed files with 407 additions and 444 deletions
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@ -5,10 +5,10 @@ include_directories(
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)
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add_library(wlr-backend
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wayland/backend.c
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wayland/registry.c
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wayland/wl_seat.c
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wayland/wl_output.c
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#wayland/backend.c
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#wayland/registry.c
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#wayland/wl_seat.c
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#wayland/wl_output.c
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drm/backend.c
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drm/drm.c
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drm/udev.c
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@ -16,7 +16,6 @@ struct wlr_backend *wlr_backend_create(const struct wlr_backend_impl *impl,
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backend->impl = impl;
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wl_signal_init(&backend->events.output_add);
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wl_signal_init(&backend->events.output_remove);
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wl_signal_init(&backend->events.output_frame);
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wl_signal_init(&backend->events.keyboard_add);
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wl_signal_init(&backend->events.keyboard_remove);
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wl_signal_init(&backend->events.pointer_add);
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@ -32,6 +31,6 @@ bool wlr_backend_init(struct wlr_backend *backend) {
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void wlr_backend_destroy(struct wlr_backend *backend) {
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backend->impl->destroy(backend->state);
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// TODO: Free anything else?
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// TODO: free outputs
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free(backend);
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}
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@ -19,18 +19,11 @@ static bool wlr_drm_backend_init(struct wlr_backend_state *state) {
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return true;
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}
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static void free_output(void *item) {
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struct wlr_drm_output *out = item;
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wlr_drm_output_cleanup(out, true);
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free(out);
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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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return;
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}
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list_foreach(state->outputs, free_output);
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list_free(state->outputs);
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// TODO: free outputs in shared backend code
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wlr_drm_renderer_free(&state->renderer);
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wlr_udev_free(&state->udev);
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wlr_session_close_file(state->session, state->fd);
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@ -86,6 +79,8 @@ struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
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goto error_fd;
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}
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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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wlr_log(L_ERROR, "Failed to initialize renderer");
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goto error_event;
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@ -13,6 +13,7 @@
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#include <GLES3/gl3.h>
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#include <wayland-server.h>
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#include "wayland.h"
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#include "backend.h"
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#include "backend/drm/backend.h"
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#include "backend/drm/drm.h"
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@ -39,7 +40,6 @@ static const char *conn_name[] = {
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};
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bool wlr_drm_renderer_init(struct wlr_drm_renderer *renderer, int fd) {
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renderer->gbm = gbm_create_device(fd);
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if (!renderer->gbm) {
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wlr_log(L_ERROR, "Failed to create GBM device: %s", strerror(errno));
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@ -59,7 +59,6 @@ void wlr_drm_renderer_free(struct wlr_drm_renderer *renderer) {
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if (!renderer) {
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return;
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}
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wlr_egl_free(&renderer->egl);
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gbm_device_destroy(renderer->gbm);
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}
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@ -95,79 +94,162 @@ static uint32_t get_fb_for_bo(int fd, struct gbm_bo *bo) {
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return *id;
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}
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void wlr_drm_output_begin(struct wlr_drm_output *out) {
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struct wlr_drm_renderer *renderer = out->renderer;
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eglMakeCurrent(renderer->egl.display, out->egl, out->egl, renderer->egl.context);
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void wlr_drm_output_begin(struct wlr_output *output) {
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struct wlr_output_state *_output = output->state;
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struct wlr_drm_renderer *renderer = _output->renderer;
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eglMakeCurrent(renderer->egl.display, _output->egl,
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_output->egl, renderer->egl.context);
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}
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void wlr_drm_output_end(struct wlr_drm_output *out) {
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struct wlr_drm_renderer *renderer = out->renderer;
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eglSwapBuffers(renderer->egl.display, out->egl);
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void wlr_drm_output_end(struct wlr_output *output) {
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struct wlr_output_state *_output = output->state;
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struct wlr_drm_renderer *renderer = _output->renderer;
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struct gbm_bo *bo = gbm_surface_lock_front_buffer(out->gbm);
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eglSwapBuffers(renderer->egl.display, _output->egl);
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struct gbm_bo *bo = gbm_surface_lock_front_buffer(_output->gbm);
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uint32_t fb_id = get_fb_for_bo(renderer->fd, bo);
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drmModePageFlip(renderer->fd, out->crtc, fb_id, DRM_MODE_PAGE_FLIP_EVENT, out);
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gbm_surface_release_buffer(out->gbm, bo);
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out->pageflip_pending = true;
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drmModePageFlip(renderer->fd, _output->crtc, fb_id, DRM_MODE_PAGE_FLIP_EVENT, _output);
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gbm_surface_release_buffer(_output->gbm, bo);
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_output->pageflip_pending = true;
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}
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static bool display_init_renderer(struct wlr_drm_renderer *renderer,
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struct wlr_drm_output *out) {
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out->renderer = renderer;
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out->gbm = gbm_surface_create(renderer->gbm, out->width, out->height,
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GBM_FORMAT_XRGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING);
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if (!out->gbm) {
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wlr_log(L_ERROR, "Failed to create GBM surface for %s: %s", out->name,
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struct wlr_output_state *output) {
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struct wlr_output_mode *mode = output->wlr_output->current_mode;
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output->renderer = renderer;
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output->gbm = gbm_surface_create(renderer->gbm, mode->width,
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mode->height, GBM_FORMAT_XRGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING);
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if (!output->gbm) {
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wlr_log(L_ERROR, "Failed to create GBM surface for %s: %s", output->name,
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strerror(errno));
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return false;
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}
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out->egl = wlr_egl_create_surface(&renderer->egl, out->gbm);
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if (out->egl == EGL_NO_SURFACE) {
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wlr_log(L_ERROR, "Failed to create EGL surface for %s", out->name);
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output->egl = wlr_egl_create_surface(&renderer->egl, output->gbm);
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if (output->egl == EGL_NO_SURFACE) {
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wlr_log(L_ERROR, "Failed to create EGL surface for %s", output->name);
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return false;
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}
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// Render black frame
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eglMakeCurrent(renderer->egl.display, output->egl, output->egl, renderer->egl.context);
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eglMakeCurrent(renderer->egl.display, out->egl, out->egl, renderer->egl.context);
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glViewport(0, 0, out->width, out->height);
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glViewport(0, 0, output->width, output->height);
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glClearColor(0.0, 0.0, 0.0, 1.0);
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glClear(GL_COLOR_BUFFER_BIT);
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eglSwapBuffers(renderer->egl.display, out->egl);
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eglSwapBuffers(renderer->egl.display, output->egl);
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struct gbm_bo *bo = gbm_surface_lock_front_buffer(out->gbm);
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struct gbm_bo *bo = gbm_surface_lock_front_buffer(output->gbm);
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uint32_t fb_id = get_fb_for_bo(renderer->fd, bo);
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drmModeSetCrtc(renderer->fd, out->crtc, fb_id, 0, 0,
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&out->connector, 1, &out->active_mode->mode);
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drmModePageFlip(renderer->fd, out->crtc, fb_id, DRM_MODE_PAGE_FLIP_EVENT, out);
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gbm_surface_release_buffer(out->gbm, bo);
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drmModeSetCrtc(renderer->fd, output->crtc, fb_id, 0, 0,
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&output->connector, 1, &mode->state->mode);
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drmModePageFlip(renderer->fd, output->crtc, fb_id,
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DRM_MODE_PAGE_FLIP_EVENT, output);
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gbm_surface_release_buffer(output->gbm, bo);
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return true;
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}
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static int find_id(const void *item, const void *cmp_to) {
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const struct wlr_drm_output *out = item;
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const struct wlr_output_state *output = item;
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const uint32_t *id = cmp_to;
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if (out->connector < *id) {
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if (output->connector < *id) {
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return -1;
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} else if (out->connector > *id) {
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} else if (output->connector > *id) {
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return 1;
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} else {
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return 0;
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}
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}
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static bool wlr_drm_output_set_mode(struct wlr_output_state *output,
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struct wlr_output_mode *mode) {
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struct wlr_backend_state *state =
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wl_container_of(output->renderer, state, renderer);
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wlr_log(L_INFO, "Modesetting '%s' with '%ux%u@%u mHz'", output->name,
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mode->width, mode->height, mode->refresh);
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drmModeConnector *conn = drmModeGetConnector(state->fd, output->connector);
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if (!conn) {
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wlr_log(L_ERROR, "Failed to get DRM connector");
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goto error;
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}
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if (conn->connection != DRM_MODE_CONNECTED || conn->count_modes == 0) {
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wlr_log(L_ERROR, "%s is not connected", output->name);
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goto error;
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}
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drmModeRes *res = drmModeGetResources(state->fd);
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if (!res) {
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wlr_log(L_ERROR, "Failed to get DRM resources");
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goto error;
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}
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bool success = false;
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for (int i = 0; !success && i < conn->count_encoders; ++i) {
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drmModeEncoder *enc = drmModeGetEncoder(state->fd, conn->encoders[i]);
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if (!enc) {
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continue;
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}
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for (int j = 0; j < res->count_crtcs; ++j) {
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if ((enc->possible_crtcs & (1 << j)) == 0) {
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continue;
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}
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if ((state->taken_crtcs & (1 << j)) == 0) {
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state->taken_crtcs |= 1 << j;
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output->crtc = res->crtcs[j];
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success = true;
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break;
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}
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}
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drmModeFreeEncoder(enc);
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}
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drmModeFreeResources(res);
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if (!success) {
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wlr_log(L_ERROR, "Failed to find CRTC for %s", output->name);
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goto error;
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}
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output->state = DRM_OUTPUT_CONNECTED;
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output->width = mode->width;
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output->height = mode->height;
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output->wlr_output->current_mode = mode;
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if (!display_init_renderer(&state->renderer, output)) {
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wlr_log(L_ERROR, "Failed to initalise renderer for %s", output->name);
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goto error;
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}
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drmModeFreeConnector(conn);
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return true;
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error:
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// TODO: destroy
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wlr_drm_output_cleanup(output, false);
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drmModeFreeConnector(conn);
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return false;
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}
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static void wlr_drm_output_destroy(struct wlr_output_state *output) {
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wlr_drm_output_cleanup(output, true);
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wlr_drm_renderer_free(output->renderer);
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free(output);
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}
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static struct wlr_output_impl output_impl = {
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.set_mode = wlr_drm_output_set_mode,
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.destroy = wlr_drm_output_destroy,
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};
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void wlr_drm_scan_connectors(struct wlr_backend_state *state) {
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wlr_log(L_INFO, "Scanning DRM connectors");
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@ -186,171 +268,98 @@ void wlr_drm_scan_connectors(struct wlr_backend_state *state) {
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continue;
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}
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struct wlr_drm_output *out;
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struct wlr_output_state *output;
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struct wlr_output *wlr_output;
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int index = list_seq_find(state->outputs, find_id, &id);
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if (index == -1) {
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out = calloc(1, sizeof(struct wlr_drm_output));
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if (!out) {
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wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
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output = calloc(1, sizeof(struct wlr_output_state));
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if (!state) {
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drmModeFreeConnector(conn);
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continue;
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wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
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return;
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}
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wlr_output = output->wlr_output = wlr_output_create(&output_impl, output);
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if (!wlr_output) {
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drmModeFreeConnector(conn);
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wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
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return;
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}
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out->renderer = &state->renderer;
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out->state = DRM_OUTPUT_DISCONNECTED;
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out->connector = id;
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snprintf(out->name, sizeof out->name, "%s-%"PRIu32,
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output->renderer = &state->renderer;
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output->state = DRM_OUTPUT_DISCONNECTED;
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output->connector = id;
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// TODO: Populate more wlr_output fields
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// TODO: Move this to wlr_output->name
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snprintf(output->name, sizeof(output->name), "%s-%"PRIu32,
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conn_name[conn->connector_type],
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conn->connector_type_id);
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drmModeEncoder *curr_enc = drmModeGetEncoder(state->fd, conn->encoder_id);
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if (curr_enc) {
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out->old_crtc = drmModeGetCrtc(state->fd, curr_enc->crtc_id);
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output->old_crtc = drmModeGetCrtc(state->fd, curr_enc->crtc_id);
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free(curr_enc);
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}
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list_add(state->outputs, out);
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wlr_log(L_INFO, "Found display '%s'", out->name);
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list_add(state->outputs, output);
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wlr_log(L_INFO, "Found display '%s'", output->name);
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} else {
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out = state->outputs->items[index];
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output = state->outputs->items[index];
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wlr_output = output->wlr_output;
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}
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if (out->state == DRM_OUTPUT_DISCONNECTED &&
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// TODO: move state into wlr_output
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if (output->state == DRM_OUTPUT_DISCONNECTED &&
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conn->connection == DRM_MODE_CONNECTED) {
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wlr_log(L_INFO, "'%s' connected", out->name);
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out->modes = malloc(sizeof(*out->modes) * conn->count_modes);
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if (!out->modes) {
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wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
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goto error;
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}
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wlr_log(L_INFO, "'%s' connected", output->name);
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wlr_log(L_INFO, "Detected modes:");
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out->num_modes = conn->count_modes;
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for (int i = 0; i < conn->count_modes; ++i) {
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drmModeModeInfo *mode = &conn->modes[i];
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out->modes[i].width = mode->hdisplay;
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out->modes[i].height = mode->vdisplay;
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struct wlr_output_mode_state *_state = calloc(1,
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sizeof(struct wlr_output_mode_state));
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_state->mode = conn->modes[i];
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struct wlr_output_mode *mode = calloc(1,
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sizeof(struct wlr_output_mode));
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mode->width = _state->mode.hdisplay;
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// TODO: Calculate more accurate refresh rate
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out->modes[i].rate = mode->vrefresh;
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out->modes[i].mode = *mode;
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// TODO: Check that this refresh rate is mHz
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mode->height = _state->mode.vdisplay;
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mode->state = _state;
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wlr_log(L_INFO, " %"PRIu16"@%"PRIu16"@%"PRIu32,
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mode->hdisplay, mode->vdisplay,
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mode->vrefresh);
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_state->mode.hdisplay, _state->mode.vdisplay,
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_state->mode.vrefresh);
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list_add(wlr_output->modes, mode);
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}
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out->state = DRM_OUTPUT_NEEDS_MODESET;
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wlr_log(L_INFO, "Sending modesetting signal for '%s'", out->name);
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wl_signal_emit(&state->backend->events.output_add, out);
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} else if (out->state == DRM_OUTPUT_CONNECTED &&
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output->state = DRM_OUTPUT_NEEDS_MODESET;
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wlr_log(L_INFO, "Sending modesetting signal for '%s'", output->name);
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wl_signal_emit(&state->backend->events.output_add, wlr_output);
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} else if (output->state == DRM_OUTPUT_CONNECTED &&
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conn->connection != DRM_MODE_CONNECTED) {
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wlr_log(L_INFO, "'%s' disconnected", out->name);
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wlr_drm_output_cleanup(out, false);
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wlr_log(L_INFO, "'%s' disconnected", output->name);
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// TODO: Destroy
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wlr_drm_output_cleanup(output, false);
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}
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error:
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drmModeFreeConnector(conn);
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}
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drmModeFreeResources(res);
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}
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struct wlr_drm_mode *wlr_drm_output_get_modes(struct wlr_drm_output *out, size_t *count) {
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if (out->state == DRM_OUTPUT_DISCONNECTED) {
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*count = 0;
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return NULL;
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}
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||||
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*count = out->num_modes;
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return out->modes;
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}
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|
||||
bool wlr_drm_output_modeset(struct wlr_drm_output *out, struct wlr_drm_mode *mode) {
|
||||
struct wlr_backend_state *state = wl_container_of(out->renderer, state, renderer);
|
||||
|
||||
wlr_log(L_INFO, "Modesetting '%s' with '%ux%u@%u'", out->name, mode->width,
|
||||
mode->height, mode->rate);
|
||||
|
||||
drmModeConnector *conn = drmModeGetConnector(state->fd, out->connector);
|
||||
if (!conn) {
|
||||
wlr_log(L_ERROR, "Failed to get DRM connector");
|
||||
goto error;
|
||||
}
|
||||
|
||||
if (conn->connection != DRM_MODE_CONNECTED || conn->count_modes == 0) {
|
||||
wlr_log(L_ERROR, "%s is not connected", out->name);
|
||||
goto error;
|
||||
}
|
||||
|
||||
drmModeRes *res = drmModeGetResources(state->fd);
|
||||
if (!res) {
|
||||
wlr_log(L_ERROR, "Failed to get DRM resources");
|
||||
goto error;
|
||||
}
|
||||
|
||||
bool success = false;
|
||||
for (int i = 0; !success && i < conn->count_encoders; ++i) {
|
||||
drmModeEncoder *enc = drmModeGetEncoder(state->fd, conn->encoders[i]);
|
||||
if (!enc)
|
||||
continue;
|
||||
|
||||
for (int j = 0; j < res->count_crtcs; ++j) {
|
||||
if ((enc->possible_crtcs & (1 << j)) == 0) {
|
||||
continue;
|
||||
}
|
||||
|
||||
if ((state->taken_crtcs & (1 << j)) == 0) {
|
||||
state->taken_crtcs |= 1 << j;
|
||||
out->crtc = res->crtcs[j];
|
||||
|
||||
success = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
drmModeFreeEncoder(enc);
|
||||
}
|
||||
|
||||
drmModeFreeResources(res);
|
||||
|
||||
if (!success) {
|
||||
wlr_log(L_ERROR, "Failed to find CRTC for %s", out->name);
|
||||
goto error;
|
||||
}
|
||||
|
||||
out->state = DRM_OUTPUT_CONNECTED;
|
||||
out->active_mode = mode;
|
||||
out->width = mode->width;
|
||||
out->height = mode->height;
|
||||
|
||||
if (!display_init_renderer(&state->renderer, out)) {
|
||||
wlr_log(L_ERROR, "Failed to initalise renderer for %s", out->name);
|
||||
goto error;
|
||||
}
|
||||
|
||||
drmModeFreeConnector(conn);
|
||||
|
||||
return true;
|
||||
|
||||
error:
|
||||
wlr_drm_output_cleanup(out, false);
|
||||
drmModeFreeConnector(conn);
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
static void page_flip_handler(int fd, unsigned seq,
|
||||
unsigned tv_sec, unsigned tv_usec, void *user) {
|
||||
struct wlr_drm_output *out = user;
|
||||
struct wlr_backend_state *state = wl_container_of(out->renderer, state, renderer);
|
||||
struct wlr_output_state *output = user;
|
||||
struct wlr_backend_state *state =
|
||||
wl_container_of(output->renderer, state, renderer);
|
||||
|
||||
out->pageflip_pending = false;
|
||||
if (out->state == DRM_OUTPUT_CONNECTED) {
|
||||
wl_signal_emit(&state->backend->events.output_frame, out);
|
||||
output->pageflip_pending = false;
|
||||
if (output->state == DRM_OUTPUT_CONNECTED) {
|
||||
wl_signal_emit(&output->wlr_output->events.frame, output->wlr_output);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -361,66 +370,50 @@ int wlr_drm_event(int fd, uint32_t mask, void *data) {
|
|||
};
|
||||
|
||||
drmHandleEvent(fd, &event);
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
static void restore_output(struct wlr_drm_output *out, int fd) {
|
||||
static void restore_output(struct wlr_output_state *output, int fd) {
|
||||
// Wait for any pending pageflips to finish
|
||||
while (out->pageflip_pending) {
|
||||
while (output->pageflip_pending) {
|
||||
wlr_drm_event(fd, 0, NULL);
|
||||
}
|
||||
|
||||
drmModeCrtc *crtc = out->old_crtc;
|
||||
drmModeCrtc *crtc = output->old_crtc;
|
||||
if (!crtc) {
|
||||
return;
|
||||
}
|
||||
|
||||
drmModeSetCrtc(fd, crtc->crtc_id, crtc->buffer_id, crtc->x, crtc->y,
|
||||
&out->connector, 1, &crtc->mode);
|
||||
&output->connector, 1, &crtc->mode);
|
||||
drmModeFreeCrtc(crtc);
|
||||
}
|
||||
|
||||
void wlr_drm_output_cleanup(struct wlr_drm_output *out, bool restore) {
|
||||
if (!out) {
|
||||
void wlr_drm_output_cleanup(struct wlr_output_state *output, bool restore) {
|
||||
if (!output) {
|
||||
return;
|
||||
}
|
||||
|
||||
struct wlr_drm_renderer *renderer = out->renderer;
|
||||
struct wlr_drm_renderer *renderer = output->renderer;
|
||||
struct wlr_backend_state *state = wl_container_of(renderer, state, renderer);
|
||||
|
||||
switch (out->state) {
|
||||
switch (output->state) {
|
||||
case DRM_OUTPUT_CONNECTED:
|
||||
eglDestroySurface(renderer->egl.display, out->egl);
|
||||
gbm_surface_destroy(out->gbm);
|
||||
|
||||
out->egl = EGL_NO_SURFACE;
|
||||
out->gbm = NULL;
|
||||
eglDestroySurface(renderer->egl.display, output->egl);
|
||||
gbm_surface_destroy(output->gbm);
|
||||
output->egl = EGL_NO_SURFACE;
|
||||
output->gbm = NULL;
|
||||
/* Fallthrough */
|
||||
|
||||
case DRM_OUTPUT_NEEDS_MODESET:
|
||||
free(out->modes);
|
||||
out->num_modes = 0;
|
||||
out->modes = NULL;
|
||||
out->active_mode = NULL;
|
||||
out->width = 0;
|
||||
out->height = 0;
|
||||
|
||||
out->state = DRM_OUTPUT_DISCONNECTED;
|
||||
|
||||
output->state = DRM_OUTPUT_DISCONNECTED;
|
||||
if (restore) {
|
||||
restore_output(out, renderer->fd);
|
||||
restore_output(output, renderer->fd);
|
||||
}
|
||||
|
||||
wlr_log(L_INFO, "Emmiting destruction signal for '%s'", out->name);
|
||||
wl_signal_emit(&state->backend->events.output_remove, out);
|
||||
wlr_log(L_INFO, "Emmiting destruction signal for '%s'", output->name);
|
||||
wl_signal_emit(&state->backend->events.output_remove, output->wlr_output);
|
||||
break;
|
||||
|
||||
case DRM_OUTPUT_DISCONNECTED:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
const char *wlr_drm_output_get_name(struct wlr_drm_output *out) {
|
||||
return out->name;
|
||||
// TODO: free wlr_output
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue