mirror of
https://gitlab.freedesktop.org/wlroots/wlroots.git
synced 2024-11-22 15:12:26 +00:00
d822e0768b
The previous pixel format (RGBA8888) is not supported on all devices for cursors. Weston uses ARGB8888 exclusively for its cursor buffer object which leads me to believe this pixel format is better supported.
710 lines
21 KiB
C
710 lines
21 KiB
C
#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <inttypes.h>
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#include <errno.h>
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#include <xf86drm.h>
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#include <xf86drmMode.h>
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#include <drm_mode.h>
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include <gbm.h>
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#include <GLES3/gl3.h>
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#include <wayland-server.h>
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#include <wlr/backend/interface.h>
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#include <wlr/interfaces/wlr_output.h>
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#include <wlr/util/log.h>
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#include "backend/drm.h"
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static const char *conn_name[] = {
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[DRM_MODE_CONNECTOR_Unknown] = "Unknown",
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[DRM_MODE_CONNECTOR_VGA] = "VGA",
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[DRM_MODE_CONNECTOR_DVII] = "DVI-I",
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[DRM_MODE_CONNECTOR_DVID] = "DVI-D",
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[DRM_MODE_CONNECTOR_DVIA] = "DVI-A",
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[DRM_MODE_CONNECTOR_Composite] = "Composite",
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[DRM_MODE_CONNECTOR_SVIDEO] = "SVIDEO",
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[DRM_MODE_CONNECTOR_LVDS] = "LVDS",
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[DRM_MODE_CONNECTOR_Component] = "Component",
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[DRM_MODE_CONNECTOR_9PinDIN] = "DIN",
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[DRM_MODE_CONNECTOR_DisplayPort] = "DP",
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[DRM_MODE_CONNECTOR_HDMIA] = "HDMI-A",
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[DRM_MODE_CONNECTOR_HDMIB] = "HDMI-B",
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[DRM_MODE_CONNECTOR_TV] = "TV",
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[DRM_MODE_CONNECTOR_eDP] = "eDP",
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[DRM_MODE_CONNECTOR_VIRTUAL] = "Virtual",
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[DRM_MODE_CONNECTOR_DSI] = "DSI",
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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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return false;
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}
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if (!wlr_egl_init(&renderer->egl, EGL_PLATFORM_GBM_MESA, renderer->gbm)) {
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gbm_device_destroy(renderer->gbm);
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return false;
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}
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renderer->fd = fd;
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return true;
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}
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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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static void free_fb(struct gbm_bo *bo, void *data) {
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uint32_t *id = data;
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if (id && *id) {
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drmModeRmFB(gbm_bo_get_fd(bo), *id);
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}
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free(id);
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}
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static uint32_t get_fb_for_bo(int fd, struct gbm_bo *bo) {
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uint32_t *id = gbm_bo_get_user_data(bo);
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if (id) {
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return *id;
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}
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id = calloc(1, sizeof *id);
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if (!id) {
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wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
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return 0;
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}
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drmModeAddFB(fd, gbm_bo_get_width(bo), gbm_bo_get_height(bo), 24, 32,
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gbm_bo_get_stride(bo), gbm_bo_get_handle(bo).u32, id);
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gbm_bo_set_user_data(bo, id, free_fb);
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return *id;
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}
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static void wlr_drm_output_make_current(struct wlr_output_state *output) {
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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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static void wlr_drm_output_swap_buffers(struct wlr_output_state *output) {
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struct wlr_drm_renderer *renderer = output->renderer;
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if (!eglSwapBuffers(renderer->egl.display, output->egl)) {
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return;
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}
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struct gbm_bo *bo = gbm_surface_lock_front_buffer(output->gbm);
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if (!bo) {
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return;
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}
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uint32_t fb_id = get_fb_for_bo(renderer->fd, bo);
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drmModePageFlip(renderer->fd, output->crtc, fb_id, DRM_MODE_PAGE_FLIP_EVENT, output);
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output->pageflip_pending = true;
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output->bo[1] = output->bo[0];
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output->bo[0] = bo;
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}
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void wlr_drm_output_pause_renderer(struct wlr_output_state *output) {
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if (output->state != DRM_OUTPUT_CONNECTED) {
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return;
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}
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if (output->bo[1]) {
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gbm_surface_release_buffer(output->gbm, output->bo[1]);
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output->bo[1] = NULL;
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}
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if (output->bo[0]) {
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gbm_surface_release_buffer(output->gbm, output->bo[0]);
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output->bo[0] = NULL;
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}
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}
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void wlr_drm_output_start_renderer(struct wlr_output_state *output) {
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if (output->state != DRM_OUTPUT_CONNECTED) {
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return;
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}
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struct wlr_drm_renderer *renderer = output->renderer;
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struct wlr_output_mode *mode = output->wlr_output->current_mode;
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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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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, 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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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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output->bo[1] = NULL;
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output->bo[0] = bo;
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}
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static bool display_init_renderer(struct wlr_drm_renderer *renderer,
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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->wlr_output->name,
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strerror(errno));
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return false;
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}
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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->wlr_output->name);
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return false;
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}
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wlr_drm_output_start_renderer(output);
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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_output_state *output = item;
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const uint32_t *id = cmp_to;
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if (output->connector < *id) {
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return -1;
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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 void wlr_drm_output_enable(struct wlr_output_state *output, bool enable) {
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struct wlr_backend_state *state =
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wl_container_of(output->renderer, state, renderer);
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if (output->state != DRM_OUTPUT_CONNECTED) {
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return;
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}
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if (enable) {
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drmModeConnectorSetProperty(state->fd, output->connector, output->props.dpms,
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DRM_MODE_DPMS_ON);
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// Start rendering loop again by drawing a black frame
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wlr_drm_output_make_current(output);
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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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wlr_drm_output_swap_buffers(output);
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} else {
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drmModeConnectorSetProperty(state->fd, output->connector, output->props.dpms,
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DRM_MODE_DPMS_STANDBY);
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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->wlr_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->wlr_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->wlr_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 = output->wlr_output->width = mode->width;
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output->height = output->wlr_output->height = mode->height;
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output->wlr_output->current_mode = mode;
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wl_signal_emit(&output->wlr_output->events.resolution, output->wlr_output);
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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->wlr_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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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_transform(struct wlr_output_state *output,
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enum wl_output_transform transform) {
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output->wlr_output->transform = transform;
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}
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static bool wlr_drm_output_set_cursor(struct wlr_output_state *output,
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const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height) {
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struct wlr_backend_state *state = wl_container_of(output->renderer, state, renderer);
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if (!buf) {
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drmModeSetCursor(state->fd, output->crtc, 0, 0, 0);
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return true;
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}
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if (!gbm_device_is_format_supported(state->renderer.gbm,
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GBM_FORMAT_ARGB8888, GBM_BO_USE_CURSOR | GBM_BO_USE_WRITE)) {
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wlr_log(L_ERROR, "Failed to create cursor bo: ARGB8888 pixel format is "
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"unsupported on this device");
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return false;
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}
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uint64_t bo_width, bo_height;
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int ret;
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ret = drmGetCap(state->fd, DRM_CAP_CURSOR_WIDTH, &bo_width);
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bo_width = ret ? 64 : bo_width;
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ret = drmGetCap(state->fd, DRM_CAP_CURSOR_HEIGHT, &bo_height);
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bo_height = ret ? 64 : bo_height;
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if (width > bo_width || height > bo_width) {
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wlr_log(L_INFO, "Cursor too large (max %dx%d)", (int)bo_width, (int)bo_height);
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return false;
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}
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for (int i = 0; i < 2; ++i) {
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if (output->cursor_bo[i]) {
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continue;
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}
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output->cursor_bo[i] = gbm_bo_create(state->renderer.gbm, bo_width, bo_height,
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GBM_FORMAT_ARGB8888, GBM_BO_USE_CURSOR | GBM_BO_USE_WRITE);
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if (!output->cursor_bo[i]) {
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wlr_log(L_ERROR, "Failed to create cursor bo");
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return false;
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}
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}
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struct gbm_bo *bo;
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output->current_cursor ^= 1;
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bo = output->cursor_bo[output->current_cursor];
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uint32_t bo_stride = gbm_bo_get_stride(bo);
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uint8_t tmp[bo_stride * height];
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memset(tmp, 0, sizeof(tmp));
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for (size_t i = 0; i < height; ++i) {
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memcpy(tmp + i * bo_stride, buf + i * stride * 4, width * 4);
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}
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if (gbm_bo_write(bo, tmp, sizeof(tmp)) < 0) {
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wlr_log(L_ERROR, "Failed to write cursor to bo");
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return false;
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}
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uint32_t bo_handle = gbm_bo_get_handle(bo).u32;
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if (drmModeSetCursor(state->fd, output->crtc, bo_handle, bo_width, bo_height)) {
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wlr_log_errno(L_INFO, "Failed to set hardware cursor");
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return false;
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}
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return true;
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}
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static bool wlr_drm_output_move_cursor(struct wlr_output_state *output,
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int x, int y) {
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struct wlr_backend_state *state =
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wl_container_of(output->renderer, state, renderer);
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return !drmModeMoveCursor(state->fd, output->crtc, x, y);
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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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free(output);
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}
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static struct wlr_output_impl output_impl = {
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.enable = wlr_drm_output_enable,
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.set_mode = wlr_drm_output_set_mode,
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.transform = wlr_drm_output_transform,
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.set_cursor = wlr_drm_output_set_cursor,
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.move_cursor = wlr_drm_output_move_cursor,
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.destroy = wlr_drm_output_destroy,
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.make_current = wlr_drm_output_make_current,
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.swap_buffers = wlr_drm_output_swap_buffers,
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};
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static 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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if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
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refresh /= 2;
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if (mode->vscan > 1)
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refresh /= mode->vscan;
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return refresh;
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}
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// Constructed from http://edid.tv/manufacturer
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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";
|
|
case ID('S', 'I', 'I'): return "Silicon Image, Inc.";
|
|
case ID('S', 'N', 'Y'): return "Sony";
|
|
case ID('T', 'O', 'P'): return "Orion Communications Co., Ltd.";
|
|
case ID('T', 'S', 'B'): return "Toshiba America Info Systems Inc";
|
|
case ID('T', 'S', 'T'): return "Transtream Inc";
|
|
case ID('U', 'N', 'K'): return "Unknown";
|
|
case ID('V', 'I', 'Z'): return "VIZIO, Inc";
|
|
case ID('V', 'S', 'C'): return "ViewSonic Corporation";
|
|
case ID('Y', 'M', 'H'): return "Yamaha Corporation";
|
|
default: return "Unknown";
|
|
}
|
|
#undef ID
|
|
}
|
|
|
|
/* See https://en.wikipedia.org/wiki/Extended_Display_Identification_Data for layout of EDID data.
|
|
* We don't parse the EDID properly. We just expect to receive valid data.
|
|
*/
|
|
static void parse_edid(struct wlr_output *restrict output, const uint8_t *restrict data) {
|
|
uint32_t id = (data[8] << 8) | data[9];
|
|
snprintf(output->make, sizeof(output->make), "%s", get_manufacturer(id));
|
|
|
|
output->phys_width = ((data[68] & 0xf0) << 4) | data[66];
|
|
output->phys_height = ((data[68] & 0x0f) << 8) | data[67];
|
|
|
|
for (size_t i = 72; i <= 108; i += 18) {
|
|
uint16_t flag = (data[i] << 8) | data[i + 1];
|
|
if (flag == 0 && data[i + 3] == 0xFC) {
|
|
sprintf(output->model, "%.13s", &data[i + 5]);
|
|
|
|
// Monitor names are terminated by newline if they're too short
|
|
char *nl = strchr(output->model, '\n');
|
|
if (nl) {
|
|
*nl = '\0';
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void scan_property_ids(int fd, drmModeConnector *conn,
|
|
struct wlr_output_state *output) {
|
|
for (int i = 0; i < conn->count_props; ++i) {
|
|
drmModePropertyRes *prop = drmModeGetProperty(fd, conn->props[i]);
|
|
if (!prop) {
|
|
continue;
|
|
}
|
|
|
|
if (strcmp(prop->name, "DPMS") == 0) {
|
|
output->props.dpms = prop->prop_id;
|
|
} else if (strcmp(prop->name, "EDID") == 0) {
|
|
drmModePropertyBlobRes *edid = drmModeGetPropertyBlob(fd, conn->prop_values[i]);
|
|
if (!edid) {
|
|
drmModeFreeProperty(prop);
|
|
continue;
|
|
}
|
|
|
|
parse_edid(output->wlr_output, edid->data);
|
|
|
|
drmModeFreePropertyBlob(edid);
|
|
}
|
|
|
|
drmModeFreeProperty(prop);
|
|
}
|
|
}
|
|
|
|
void wlr_drm_scan_connectors(struct wlr_backend_state *state) {
|
|
wlr_log(L_INFO, "Scanning DRM connectors");
|
|
|
|
drmModeRes *res = drmModeGetResources(state->fd);
|
|
if (!res) {
|
|
wlr_log(L_ERROR, "Failed to get DRM resources");
|
|
return;
|
|
}
|
|
|
|
for (int i = 0; i < res->count_connectors; ++i) {
|
|
uint32_t id = res->connectors[i];
|
|
|
|
drmModeConnector *conn = drmModeGetConnector(state->fd, id);
|
|
if (!conn) {
|
|
wlr_log(L_ERROR, "Failed to get DRM connector");
|
|
continue;
|
|
}
|
|
|
|
struct wlr_output_state *output;
|
|
struct wlr_output *wlr_output;
|
|
int index = list_seq_find(state->outputs, find_id, &id);
|
|
|
|
if (index == -1) {
|
|
output = calloc(1, sizeof(struct wlr_output_state));
|
|
if (!state) {
|
|
drmModeFreeConnector(conn);
|
|
wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
|
|
return;
|
|
}
|
|
wlr_output = output->wlr_output = wlr_output_create(&output_impl, output);
|
|
if (!wlr_output) {
|
|
drmModeFreeConnector(conn);
|
|
wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
|
|
return;
|
|
}
|
|
|
|
output->renderer = &state->renderer;
|
|
output->state = DRM_OUTPUT_DISCONNECTED;
|
|
output->connector = id;
|
|
// TODO: Populate more wlr_output fields
|
|
// TODO: Move this to wlr_output->name
|
|
snprintf(wlr_output->name, sizeof(wlr_output->name), "%s-%"PRIu32,
|
|
conn_name[conn->connector_type],
|
|
conn->connector_type_id);
|
|
wlr_output->phys_width = conn->mmWidth;
|
|
wlr_output->phys_height = conn->mmHeight;
|
|
switch (conn->subpixel) {
|
|
case DRM_MODE_SUBPIXEL_UNKNOWN:
|
|
wlr_output->subpixel = WL_OUTPUT_SUBPIXEL_UNKNOWN;
|
|
break;
|
|
case DRM_MODE_SUBPIXEL_HORIZONTAL_RGB:
|
|
wlr_output->subpixel = WL_OUTPUT_SUBPIXEL_HORIZONTAL_RGB;
|
|
break;
|
|
case DRM_MODE_SUBPIXEL_HORIZONTAL_BGR:
|
|
wlr_output->subpixel = WL_OUTPUT_SUBPIXEL_HORIZONTAL_BGR;
|
|
break;
|
|
case DRM_MODE_SUBPIXEL_VERTICAL_RGB:
|
|
wlr_output->subpixel = WL_OUTPUT_SUBPIXEL_VERTICAL_RGB;
|
|
break;
|
|
case DRM_MODE_SUBPIXEL_VERTICAL_BGR:
|
|
wlr_output->subpixel = WL_OUTPUT_SUBPIXEL_VERTICAL_BGR;
|
|
break;
|
|
case DRM_MODE_SUBPIXEL_NONE:
|
|
default:
|
|
wlr_output->subpixel = WL_OUTPUT_SUBPIXEL_NONE;
|
|
break;
|
|
}
|
|
|
|
drmModeEncoder *curr_enc = drmModeGetEncoder(state->fd, conn->encoder_id);
|
|
if (curr_enc) {
|
|
output->old_crtc = drmModeGetCrtc(state->fd, curr_enc->crtc_id);
|
|
free(curr_enc);
|
|
}
|
|
|
|
scan_property_ids(state->fd, conn, output);
|
|
|
|
wlr_output_create_global(wlr_output, state->display);
|
|
list_add(state->outputs, output);
|
|
wlr_log(L_INFO, "Found display '%s'", wlr_output->name);
|
|
} else {
|
|
output = state->outputs->items[index];
|
|
wlr_output = output->wlr_output;
|
|
}
|
|
|
|
// TODO: move state into wlr_output
|
|
if (output->state == DRM_OUTPUT_DISCONNECTED &&
|
|
conn->connection == DRM_MODE_CONNECTED) {
|
|
|
|
wlr_log(L_INFO, "'%s' connected", output->wlr_output->name);
|
|
wlr_log(L_INFO, "Detected modes:");
|
|
|
|
for (int i = 0; i < conn->count_modes; ++i) {
|
|
struct wlr_output_mode_state *_state = calloc(1,
|
|
sizeof(struct wlr_output_mode_state));
|
|
_state->mode = conn->modes[i];
|
|
struct wlr_output_mode *mode = calloc(1,
|
|
sizeof(struct wlr_output_mode));
|
|
mode->width = _state->mode.hdisplay;
|
|
mode->height = _state->mode.vdisplay;
|
|
mode->refresh = calculate_refresh_rate(&_state->mode);
|
|
mode->state = _state;
|
|
|
|
wlr_log(L_INFO, " %"PRId32"@%"PRId32"@%"PRId32,
|
|
mode->width, mode->height, mode->refresh);
|
|
|
|
list_add(wlr_output->modes, mode);
|
|
}
|
|
|
|
output->state = DRM_OUTPUT_NEEDS_MODESET;
|
|
wlr_log(L_INFO, "Sending modesetting signal for '%s'", output->wlr_output->name);
|
|
wl_signal_emit(&state->backend->events.output_add, wlr_output);
|
|
} else if (output->state == DRM_OUTPUT_CONNECTED &&
|
|
conn->connection != DRM_MODE_CONNECTED) {
|
|
|
|
wlr_log(L_INFO, "'%s' disconnected", output->wlr_output->name);
|
|
wlr_drm_output_cleanup(output, false);
|
|
}
|
|
|
|
drmModeFreeConnector(conn);
|
|
}
|
|
|
|
drmModeFreeResources(res);
|
|
}
|
|
|
|
static void page_flip_handler(int fd, unsigned seq,
|
|
unsigned tv_sec, unsigned tv_usec, void *user) {
|
|
struct wlr_output_state *output = user;
|
|
struct wlr_backend_state *state =
|
|
wl_container_of(output->renderer, state, renderer);
|
|
|
|
if (output->gbm && output->bo[1]) {
|
|
gbm_surface_release_buffer(output->gbm, output->bo[1]);
|
|
output->bo[1] = NULL;
|
|
}
|
|
|
|
output->pageflip_pending = false;
|
|
if (output->state == DRM_OUTPUT_CONNECTED && state->session->active) {
|
|
wl_signal_emit(&output->wlr_output->events.frame, output->wlr_output);
|
|
}
|
|
}
|
|
|
|
int wlr_drm_event(int fd, uint32_t mask, void *data) {
|
|
drmEventContext event = {
|
|
.version = DRM_EVENT_CONTEXT_VERSION,
|
|
.page_flip_handler = page_flip_handler,
|
|
};
|
|
|
|
drmHandleEvent(fd, &event);
|
|
return 1;
|
|
}
|
|
|
|
static void restore_output(struct wlr_output_state *output, int fd) {
|
|
// Wait for any pending pageflips to finish
|
|
while (output->pageflip_pending) {
|
|
wlr_drm_event(fd, 0, NULL);
|
|
}
|
|
|
|
drmModeCrtc *crtc = output->old_crtc;
|
|
if (!crtc) {
|
|
return;
|
|
}
|
|
|
|
drmModeSetCrtc(fd, crtc->crtc_id, crtc->buffer_id, crtc->x, crtc->y,
|
|
&output->connector, 1, &crtc->mode);
|
|
drmModeFreeCrtc(crtc);
|
|
}
|
|
|
|
void wlr_drm_output_cleanup(struct wlr_output_state *output, bool restore) {
|
|
if (!output) {
|
|
return;
|
|
}
|
|
|
|
struct wlr_drm_renderer *renderer = output->renderer;
|
|
struct wlr_backend_state *state = wl_container_of(renderer, state, renderer);
|
|
|
|
switch (output->state) {
|
|
case DRM_OUTPUT_CONNECTED:
|
|
output->state = DRM_OUTPUT_DISCONNECTED;
|
|
if (restore) {
|
|
restore_output(output, renderer->fd);
|
|
restore = false;
|
|
}
|
|
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:
|
|
output->state = DRM_OUTPUT_DISCONNECTED;
|
|
if (restore) {
|
|
restore_output(output, renderer->fd);
|
|
}
|
|
wlr_log(L_INFO, "Emmiting destruction signal for '%s'", output->wlr_output->name);
|
|
wl_signal_emit(&state->backend->events.output_remove, output->wlr_output);
|
|
break;
|
|
case DRM_OUTPUT_DISCONNECTED:
|
|
break;
|
|
}
|
|
}
|