929 lines
26 KiB
C
929 lines
26 KiB
C
#define _POSIX_C_SOURCE 200809L
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#include <assert.h>
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#include <backend/backend.h>
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#include <drm_fourcc.h>
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#include <stdlib.h>
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#include <wlr/interfaces/wlr_output.h>
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#include <wlr/types/wlr_compositor.h>
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#include <wlr/types/wlr_matrix.h>
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#include <wlr/util/log.h>
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#include "render/allocator/allocator.h"
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#include "render/swapchain.h"
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#include "types/wlr_output.h"
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#include "util/global.h"
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#include "util/signal.h"
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#define OUTPUT_VERSION 4
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static void send_geometry(struct wl_resource *resource) {
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struct wlr_output *output = wlr_output_from_resource(resource);
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const char *make = output->make;
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if (make == NULL) {
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make = "Unknown";
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}
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const char *model = output->model;
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if (model == NULL) {
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model = "Unknown";
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}
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wl_output_send_geometry(resource, 0, 0,
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output->phys_width, output->phys_height, output->subpixel,
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make, model, output->transform);
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}
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static void send_current_mode(struct wl_resource *resource) {
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struct wlr_output *output = wlr_output_from_resource(resource);
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if (output->current_mode != NULL) {
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struct wlr_output_mode *mode = output->current_mode;
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wl_output_send_mode(resource, WL_OUTPUT_MODE_CURRENT,
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mode->width, mode->height, mode->refresh);
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} else {
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// Output has no mode
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wl_output_send_mode(resource, WL_OUTPUT_MODE_CURRENT, output->width,
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output->height, output->refresh);
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}
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}
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static void send_scale(struct wl_resource *resource) {
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struct wlr_output *output = wlr_output_from_resource(resource);
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uint32_t version = wl_resource_get_version(resource);
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if (version >= WL_OUTPUT_SCALE_SINCE_VERSION) {
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wl_output_send_scale(resource, (uint32_t)ceil(output->scale));
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}
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}
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static void send_name(struct wl_resource *resource) {
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struct wlr_output *output = wlr_output_from_resource(resource);
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uint32_t version = wl_resource_get_version(resource);
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if (version >= WL_OUTPUT_NAME_SINCE_VERSION) {
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wl_output_send_name(resource, output->name);
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}
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}
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static void send_description(struct wl_resource *resource) {
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struct wlr_output *output = wlr_output_from_resource(resource);
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uint32_t version = wl_resource_get_version(resource);
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if (output->description != NULL &&
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version >= WL_OUTPUT_DESCRIPTION_SINCE_VERSION) {
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wl_output_send_description(resource, output->description);
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}
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}
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static void send_done(struct wl_resource *resource) {
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uint32_t version = wl_resource_get_version(resource);
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if (version >= WL_OUTPUT_DONE_SINCE_VERSION) {
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wl_output_send_done(resource);
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}
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}
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static void output_handle_resource_destroy(struct wl_resource *resource) {
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wl_list_remove(wl_resource_get_link(resource));
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}
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static void output_handle_release(struct wl_client *client,
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struct wl_resource *resource) {
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wl_resource_destroy(resource);
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}
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static const struct wl_output_interface output_impl = {
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.release = output_handle_release,
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};
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static void output_bind(struct wl_client *wl_client, void *data,
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uint32_t version, uint32_t id) {
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// `output` can be NULL if the output global is being destroyed
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struct wlr_output *output = data;
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struct wl_resource *resource = wl_resource_create(wl_client,
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&wl_output_interface, version, id);
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if (resource == NULL) {
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wl_client_post_no_memory(wl_client);
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return;
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}
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wl_resource_set_implementation(resource, &output_impl, output,
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output_handle_resource_destroy);
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if (output == NULL) {
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wl_list_init(wl_resource_get_link(resource));
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return;
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}
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wl_list_insert(&output->resources, wl_resource_get_link(resource));
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send_geometry(resource);
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send_current_mode(resource);
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send_scale(resource);
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send_name(resource);
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send_description(resource);
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send_done(resource);
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struct wlr_output_event_bind evt = {
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.output = output,
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.resource = resource,
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};
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wlr_signal_emit_safe(&output->events.bind, &evt);
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}
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void wlr_output_create_global(struct wlr_output *output) {
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if (output->global != NULL) {
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return;
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}
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output->global = wl_global_create(output->display,
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&wl_output_interface, OUTPUT_VERSION, output, output_bind);
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if (output->global == NULL) {
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wlr_log(WLR_ERROR, "Failed to allocate wl_output global");
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}
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}
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void wlr_output_destroy_global(struct wlr_output *output) {
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if (output->global == NULL) {
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return;
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}
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// Make all output resources inert
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struct wl_resource *resource, *tmp;
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wl_resource_for_each_safe(resource, tmp, &output->resources) {
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wl_resource_set_user_data(resource, NULL);
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wl_list_remove(wl_resource_get_link(resource));
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wl_list_init(wl_resource_get_link(resource));
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}
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wlr_global_destroy_safe(output->global);
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output->global = NULL;
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}
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static void schedule_done_handle_idle_timer(void *data) {
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struct wlr_output *output = data;
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output->idle_done = NULL;
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struct wl_resource *resource;
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wl_resource_for_each(resource, &output->resources) {
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send_done(resource);
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}
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}
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void wlr_output_schedule_done(struct wlr_output *output) {
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if (output->idle_done != NULL) {
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return; // Already scheduled
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}
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struct wl_event_loop *ev = wl_display_get_event_loop(output->display);
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output->idle_done =
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wl_event_loop_add_idle(ev, schedule_done_handle_idle_timer, output);
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}
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struct wlr_output *wlr_output_from_resource(struct wl_resource *resource) {
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assert(wl_resource_instance_of(resource, &wl_output_interface,
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&output_impl));
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return wl_resource_get_user_data(resource);
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}
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void wlr_output_update_enabled(struct wlr_output *output, bool enabled) {
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if (output->enabled == enabled) {
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return;
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}
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output->enabled = enabled;
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wlr_signal_emit_safe(&output->events.enable, output);
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}
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static void output_update_matrix(struct wlr_output *output) {
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wlr_matrix_identity(output->transform_matrix);
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if (output->transform != WL_OUTPUT_TRANSFORM_NORMAL) {
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int tr_width, tr_height;
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wlr_output_transformed_resolution(output, &tr_width, &tr_height);
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wlr_matrix_translate(output->transform_matrix,
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output->width / 2.0, output->height / 2.0);
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wlr_matrix_transform(output->transform_matrix, output->transform);
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wlr_matrix_translate(output->transform_matrix,
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- tr_width / 2.0, - tr_height / 2.0);
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}
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}
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void wlr_output_enable(struct wlr_output *output, bool enable) {
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if (output->enabled == enable) {
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output->pending.committed &= ~WLR_OUTPUT_STATE_ENABLED;
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return;
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}
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output->pending.committed |= WLR_OUTPUT_STATE_ENABLED;
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output->pending.enabled = enable;
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}
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static void output_state_clear_mode(struct wlr_output_state *state) {
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if (!(state->committed & WLR_OUTPUT_STATE_MODE)) {
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return;
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}
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state->mode = NULL;
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state->committed &= ~WLR_OUTPUT_STATE_MODE;
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}
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void wlr_output_set_mode(struct wlr_output *output,
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struct wlr_output_mode *mode) {
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output_state_clear_mode(&output->pending);
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if (output->current_mode == mode) {
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return;
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}
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output->pending.committed |= WLR_OUTPUT_STATE_MODE;
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output->pending.mode_type = WLR_OUTPUT_STATE_MODE_FIXED;
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output->pending.mode = mode;
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}
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void wlr_output_set_custom_mode(struct wlr_output *output, int32_t width,
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int32_t height, int32_t refresh) {
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output_state_clear_mode(&output->pending);
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if (output->width == width && output->height == height &&
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output->refresh == refresh) {
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return;
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}
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output->pending.committed |= WLR_OUTPUT_STATE_MODE;
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output->pending.mode_type = WLR_OUTPUT_STATE_MODE_CUSTOM;
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output->pending.custom_mode.width = width;
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output->pending.custom_mode.height = height;
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output->pending.custom_mode.refresh = refresh;
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}
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void wlr_output_update_mode(struct wlr_output *output,
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struct wlr_output_mode *mode) {
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output->current_mode = mode;
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if (mode != NULL) {
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wlr_output_update_custom_mode(output, mode->width, mode->height,
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mode->refresh);
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} else {
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wlr_output_update_custom_mode(output, 0, 0, 0);
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}
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}
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void wlr_output_update_custom_mode(struct wlr_output *output, int32_t width,
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int32_t height, int32_t refresh) {
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if (output->width == width && output->height == height &&
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output->refresh == refresh) {
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return;
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}
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output->width = width;
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output->height = height;
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output_update_matrix(output);
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output->refresh = refresh;
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if (output->swapchain != NULL &&
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(output->swapchain->width != output->width ||
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output->swapchain->height != output->height)) {
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wlr_swapchain_destroy(output->swapchain);
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output->swapchain = NULL;
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}
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struct wl_resource *resource;
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wl_resource_for_each(resource, &output->resources) {
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send_current_mode(resource);
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}
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wlr_output_schedule_done(output);
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wlr_signal_emit_safe(&output->events.mode, output);
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}
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void wlr_output_set_transform(struct wlr_output *output,
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enum wl_output_transform transform) {
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if (output->transform == transform) {
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output->pending.committed &= ~WLR_OUTPUT_STATE_TRANSFORM;
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return;
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}
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output->pending.committed |= WLR_OUTPUT_STATE_TRANSFORM;
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output->pending.transform = transform;
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}
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void wlr_output_set_scale(struct wlr_output *output, float scale) {
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if (output->scale == scale) {
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output->pending.committed &= ~WLR_OUTPUT_STATE_SCALE;
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return;
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}
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output->pending.committed |= WLR_OUTPUT_STATE_SCALE;
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output->pending.scale = scale;
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}
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void wlr_output_enable_adaptive_sync(struct wlr_output *output, bool enabled) {
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bool currently_enabled =
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output->adaptive_sync_status != WLR_OUTPUT_ADAPTIVE_SYNC_DISABLED;
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if (currently_enabled == enabled) {
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output->pending.committed &= ~WLR_OUTPUT_STATE_ADAPTIVE_SYNC_ENABLED;
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return;
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}
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output->pending.committed |= WLR_OUTPUT_STATE_ADAPTIVE_SYNC_ENABLED;
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output->pending.adaptive_sync_enabled = enabled;
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}
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void wlr_output_set_render_format(struct wlr_output *output, uint32_t format) {
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if (output->render_format == format) {
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output->pending.committed &= ~WLR_OUTPUT_STATE_RENDER_FORMAT;
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return;
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}
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output->pending.committed |= WLR_OUTPUT_STATE_RENDER_FORMAT;
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output->pending.render_format = format;
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}
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void wlr_output_set_subpixel(struct wlr_output *output,
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enum wl_output_subpixel subpixel) {
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if (output->subpixel == subpixel) {
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output->pending.committed &= ~WLR_OUTPUT_STATE_SUBPIXEL;
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return;
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}
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output->pending.committed |= WLR_OUTPUT_STATE_SUBPIXEL;
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output->pending.subpixel = subpixel;
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}
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void wlr_output_set_name(struct wlr_output *output, const char *name) {
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assert(output->global == NULL);
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free(output->name);
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output->name = strdup(name);
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}
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void wlr_output_set_description(struct wlr_output *output, const char *desc) {
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if (output->description != NULL && desc != NULL &&
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strcmp(output->description, desc) == 0) {
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return;
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}
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free(output->description);
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if (desc != NULL) {
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output->description = strdup(desc);
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} else {
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output->description = NULL;
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}
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struct wl_resource *resource;
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wl_resource_for_each(resource, &output->resources) {
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send_description(resource);
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}
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wlr_output_schedule_done(output);
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wlr_signal_emit_safe(&output->events.description, output);
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}
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static void handle_display_destroy(struct wl_listener *listener, void *data) {
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struct wlr_output *output =
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wl_container_of(listener, output, display_destroy);
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wlr_output_destroy_global(output);
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}
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void wlr_output_init(struct wlr_output *output, struct wlr_backend *backend,
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const struct wlr_output_impl *impl, struct wl_display *display) {
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assert(impl->commit);
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if (impl->set_cursor || impl->move_cursor) {
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assert(impl->set_cursor && impl->move_cursor);
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}
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memset(output, 0, sizeof(*output));
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output->backend = backend;
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output->impl = impl;
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output->display = display;
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wl_list_init(&output->modes);
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output->render_format = DRM_FORMAT_XRGB8888;
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output->transform = WL_OUTPUT_TRANSFORM_NORMAL;
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output->scale = 1;
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output->commit_seq = 0;
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wl_list_init(&output->cursors);
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wl_list_init(&output->resources);
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wl_signal_init(&output->events.frame);
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wl_signal_init(&output->events.damage);
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wl_signal_init(&output->events.needs_frame);
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wl_signal_init(&output->events.precommit);
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wl_signal_init(&output->events.commit);
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wl_signal_init(&output->events.present);
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wl_signal_init(&output->events.bind);
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wl_signal_init(&output->events.enable);
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wl_signal_init(&output->events.mode);
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wl_signal_init(&output->events.description);
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wl_signal_init(&output->events.destroy);
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pixman_region32_init(&output->pending.damage);
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const char *no_hardware_cursors = getenv("WLR_NO_HARDWARE_CURSORS");
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if (no_hardware_cursors != NULL && strcmp(no_hardware_cursors, "1") == 0) {
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wlr_log(WLR_DEBUG,
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"WLR_NO_HARDWARE_CURSORS set, forcing software cursors");
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output->software_cursor_locks = 1;
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}
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wlr_addon_set_init(&output->addons);
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output->display_destroy.notify = handle_display_destroy;
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wl_display_add_destroy_listener(display, &output->display_destroy);
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}
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void wlr_output_destroy(struct wlr_output *output) {
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if (!output) {
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return;
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}
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wl_list_remove(&output->display_destroy.link);
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wlr_output_destroy_global(output);
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output_clear_back_buffer(output);
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wlr_signal_emit_safe(&output->events.destroy, output);
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wlr_addon_set_finish(&output->addons);
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// The backend is responsible for free-ing the list of modes
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struct wlr_output_cursor *cursor, *tmp_cursor;
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wl_list_for_each_safe(cursor, tmp_cursor, &output->cursors, link) {
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wlr_output_cursor_destroy(cursor);
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}
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wlr_swapchain_destroy(output->cursor_swapchain);
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wlr_buffer_unlock(output->cursor_front_buffer);
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wlr_swapchain_destroy(output->swapchain);
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if (output->idle_frame != NULL) {
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wl_event_source_remove(output->idle_frame);
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}
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if (output->idle_done != NULL) {
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wl_event_source_remove(output->idle_done);
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}
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free(output->name);
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free(output->description);
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pixman_region32_fini(&output->pending.damage);
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if (output->impl && output->impl->destroy) {
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output->impl->destroy(output);
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} else {
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free(output);
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}
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}
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void wlr_output_transformed_resolution(struct wlr_output *output,
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int *width, int *height) {
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if (output->transform % 2 == 0) {
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*width = output->width;
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*height = output->height;
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} else {
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*width = output->height;
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*height = output->width;
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}
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}
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void wlr_output_effective_resolution(struct wlr_output *output,
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int *width, int *height) {
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wlr_output_transformed_resolution(output, width, height);
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*width /= output->scale;
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*height /= output->scale;
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}
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struct wlr_output_mode *wlr_output_preferred_mode(struct wlr_output *output) {
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if (wl_list_empty(&output->modes)) {
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return NULL;
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}
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struct wlr_output_mode *mode;
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wl_list_for_each(mode, &output->modes, link) {
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if (mode->preferred) {
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return mode;
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}
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}
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// No preferred mode, choose the first one
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return wl_container_of(output->modes.next, mode, link);
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}
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static void output_state_clear_buffer(struct wlr_output_state *state) {
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if (!(state->committed & WLR_OUTPUT_STATE_BUFFER)) {
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return;
|
|
}
|
|
|
|
wlr_buffer_unlock(state->buffer);
|
|
state->buffer = NULL;
|
|
|
|
state->committed &= ~WLR_OUTPUT_STATE_BUFFER;
|
|
}
|
|
|
|
void wlr_output_set_damage(struct wlr_output *output,
|
|
pixman_region32_t *damage) {
|
|
pixman_region32_intersect_rect(&output->pending.damage, damage,
|
|
0, 0, output->width, output->height);
|
|
output->pending.committed |= WLR_OUTPUT_STATE_DAMAGE;
|
|
}
|
|
|
|
static void output_state_clear_gamma_lut(struct wlr_output_state *state) {
|
|
free(state->gamma_lut);
|
|
state->gamma_lut = NULL;
|
|
state->committed &= ~WLR_OUTPUT_STATE_GAMMA_LUT;
|
|
}
|
|
|
|
static void output_state_clear(struct wlr_output_state *state) {
|
|
output_state_clear_buffer(state);
|
|
output_state_clear_gamma_lut(state);
|
|
pixman_region32_clear(&state->damage);
|
|
state->committed = 0;
|
|
}
|
|
|
|
void output_pending_resolution(struct wlr_output *output, int *width,
|
|
int *height) {
|
|
if (output->pending.committed & WLR_OUTPUT_STATE_MODE) {
|
|
switch (output->pending.mode_type) {
|
|
case WLR_OUTPUT_STATE_MODE_FIXED:
|
|
*width = output->pending.mode->width;
|
|
*height = output->pending.mode->height;
|
|
return;
|
|
case WLR_OUTPUT_STATE_MODE_CUSTOM:
|
|
*width = output->pending.custom_mode.width;
|
|
*height = output->pending.custom_mode.height;
|
|
return;
|
|
}
|
|
abort();
|
|
} else {
|
|
*width = output->width;
|
|
*height = output->height;
|
|
}
|
|
}
|
|
|
|
static bool output_basic_test(struct wlr_output *output) {
|
|
if (output->pending.committed & WLR_OUTPUT_STATE_BUFFER) {
|
|
if (output->frame_pending) {
|
|
wlr_log(WLR_DEBUG, "Tried to commit a buffer while a frame is pending");
|
|
return false;
|
|
}
|
|
|
|
if (output->back_buffer == NULL) {
|
|
if (output->attach_render_locks > 0) {
|
|
wlr_log(WLR_DEBUG, "Direct scan-out disabled by lock");
|
|
return false;
|
|
}
|
|
|
|
// If the output has at least one software cursor, refuse to attach the
|
|
// buffer
|
|
struct wlr_output_cursor *cursor;
|
|
wl_list_for_each(cursor, &output->cursors, link) {
|
|
if (cursor->enabled && cursor->visible &&
|
|
cursor != output->hardware_cursor) {
|
|
wlr_log(WLR_DEBUG,
|
|
"Direct scan-out disabled by software cursor");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// If the size doesn't match, reject buffer (scaling is not
|
|
// supported)
|
|
int pending_width, pending_height;
|
|
output_pending_resolution(output, &pending_width, &pending_height);
|
|
if (output->pending.buffer->width != pending_width ||
|
|
output->pending.buffer->height != pending_height) {
|
|
wlr_log(WLR_DEBUG, "Direct scan-out buffer size mismatch");
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (output->pending.committed & WLR_OUTPUT_STATE_RENDER_FORMAT) {
|
|
struct wlr_allocator *allocator = output->allocator;
|
|
assert(allocator != NULL);
|
|
|
|
const struct wlr_drm_format_set *display_formats =
|
|
wlr_output_get_primary_formats(output, allocator->buffer_caps);
|
|
struct wlr_drm_format *format = output_pick_format(output, display_formats,
|
|
output->pending.render_format);
|
|
if (format == NULL) {
|
|
wlr_log(WLR_ERROR, "Failed to pick primary buffer format for output");
|
|
return false;
|
|
}
|
|
|
|
free(format);
|
|
}
|
|
|
|
bool enabled = output->enabled;
|
|
if (output->pending.committed & WLR_OUTPUT_STATE_ENABLED) {
|
|
enabled = output->pending.enabled;
|
|
}
|
|
|
|
if (enabled && (output->pending.committed & (WLR_OUTPUT_STATE_ENABLED |
|
|
WLR_OUTPUT_STATE_MODE))) {
|
|
int pending_width, pending_height;
|
|
output_pending_resolution(output, &pending_width, &pending_height);
|
|
if (pending_width == 0 || pending_height == 0) {
|
|
wlr_log(WLR_DEBUG, "Tried to enable an output with a zero mode");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (!enabled && output->pending.committed & WLR_OUTPUT_STATE_BUFFER) {
|
|
wlr_log(WLR_DEBUG, "Tried to commit a buffer on a disabled output");
|
|
return false;
|
|
}
|
|
if (!enabled && output->pending.committed & WLR_OUTPUT_STATE_MODE) {
|
|
wlr_log(WLR_DEBUG, "Tried to modeset a disabled output");
|
|
return false;
|
|
}
|
|
if (!enabled && output->pending.committed & WLR_OUTPUT_STATE_ADAPTIVE_SYNC_ENABLED) {
|
|
wlr_log(WLR_DEBUG, "Tried to enable adaptive sync on a disabled output");
|
|
return false;
|
|
}
|
|
if (!enabled && output->pending.committed & WLR_OUTPUT_STATE_RENDER_FORMAT) {
|
|
wlr_log(WLR_DEBUG, "Tried to set format for a disabled output");
|
|
return false;
|
|
}
|
|
if (!enabled && output->pending.committed & WLR_OUTPUT_STATE_GAMMA_LUT) {
|
|
wlr_log(WLR_DEBUG, "Tried to set the gamma lut on a disabled output");
|
|
return false;
|
|
}
|
|
if (!enabled && output->pending.committed & WLR_OUTPUT_STATE_SUBPIXEL) {
|
|
wlr_log(WLR_DEBUG, "Tried to set the subpixel layout on a disabled output");
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool wlr_output_test(struct wlr_output *output) {
|
|
bool had_buffer = output->pending.committed & WLR_OUTPUT_STATE_BUFFER;
|
|
bool success;
|
|
|
|
if (!output_basic_test(output)) {
|
|
return false;
|
|
}
|
|
if (!output_ensure_buffer(output)) {
|
|
return false;
|
|
}
|
|
if (!output->impl->test) {
|
|
return true;
|
|
}
|
|
|
|
success = output->impl->test(output, &output->pending);
|
|
|
|
if (!had_buffer) {
|
|
output_clear_back_buffer(output);
|
|
}
|
|
return success;
|
|
}
|
|
|
|
bool wlr_output_commit(struct wlr_output *output) {
|
|
if (!output_basic_test(output)) {
|
|
wlr_log(WLR_ERROR, "Basic output test failed for %s", output->name);
|
|
return false;
|
|
}
|
|
|
|
if (!output_ensure_buffer(output)) {
|
|
return false;
|
|
}
|
|
|
|
if ((output->pending.committed & WLR_OUTPUT_STATE_BUFFER) &&
|
|
output->idle_frame != NULL) {
|
|
wl_event_source_remove(output->idle_frame);
|
|
output->idle_frame = NULL;
|
|
}
|
|
|
|
struct timespec now;
|
|
clock_gettime(CLOCK_MONOTONIC, &now);
|
|
|
|
struct wlr_output_event_precommit pre_event = {
|
|
.output = output,
|
|
.when = &now,
|
|
};
|
|
wlr_signal_emit_safe(&output->events.precommit, &pre_event);
|
|
|
|
// output_clear_back_buffer detaches the buffer from the renderer. This is
|
|
// important to do before calling impl->commit(), because this marks an
|
|
// implicit rendering synchronization point. The backend needs it to avoid
|
|
// displaying a buffer when asynchronous GPU work isn't finished.
|
|
struct wlr_buffer *back_buffer = NULL;
|
|
if ((output->pending.committed & WLR_OUTPUT_STATE_BUFFER) &&
|
|
output->back_buffer != NULL) {
|
|
back_buffer = wlr_buffer_lock(output->back_buffer);
|
|
output_clear_back_buffer(output);
|
|
}
|
|
|
|
if (!output->impl->commit(output, &output->pending)) {
|
|
wlr_buffer_unlock(back_buffer);
|
|
output_state_clear(&output->pending);
|
|
return false;
|
|
}
|
|
|
|
if (output->pending.committed & WLR_OUTPUT_STATE_BUFFER) {
|
|
struct wlr_output_cursor *cursor;
|
|
wl_list_for_each(cursor, &output->cursors, link) {
|
|
if (!cursor->enabled || !cursor->visible || cursor->surface == NULL) {
|
|
continue;
|
|
}
|
|
wlr_surface_send_frame_done(cursor->surface, &now);
|
|
}
|
|
}
|
|
|
|
if (output->pending.committed & WLR_OUTPUT_STATE_RENDER_FORMAT) {
|
|
output->render_format = output->pending.render_format;
|
|
}
|
|
|
|
if (output->pending.committed & WLR_OUTPUT_STATE_SUBPIXEL) {
|
|
output->subpixel = output->pending.subpixel;
|
|
}
|
|
|
|
output->commit_seq++;
|
|
|
|
bool scale_updated = output->pending.committed & WLR_OUTPUT_STATE_SCALE;
|
|
if (scale_updated) {
|
|
output->scale = output->pending.scale;
|
|
}
|
|
|
|
if (output->pending.committed & WLR_OUTPUT_STATE_TRANSFORM) {
|
|
output->transform = output->pending.transform;
|
|
output_update_matrix(output);
|
|
}
|
|
|
|
bool geometry_updated = output->pending.committed &
|
|
(WLR_OUTPUT_STATE_MODE | WLR_OUTPUT_STATE_TRANSFORM |
|
|
WLR_OUTPUT_STATE_SUBPIXEL);
|
|
if (geometry_updated || scale_updated) {
|
|
struct wl_resource *resource;
|
|
wl_resource_for_each(resource, &output->resources) {
|
|
if (geometry_updated) {
|
|
send_geometry(resource);
|
|
}
|
|
if (scale_updated) {
|
|
send_scale(resource);
|
|
}
|
|
}
|
|
wlr_output_schedule_done(output);
|
|
}
|
|
|
|
// Destroy the swapchains when an output is disabled
|
|
if ((output->pending.committed & WLR_OUTPUT_STATE_ENABLED) &&
|
|
!output->pending.enabled) {
|
|
wlr_swapchain_destroy(output->swapchain);
|
|
output->swapchain = NULL;
|
|
wlr_swapchain_destroy(output->cursor_swapchain);
|
|
output->cursor_swapchain = NULL;
|
|
}
|
|
|
|
if (output->pending.committed & WLR_OUTPUT_STATE_BUFFER) {
|
|
output->frame_pending = true;
|
|
output->needs_frame = false;
|
|
}
|
|
|
|
if (back_buffer != NULL) {
|
|
wlr_swapchain_set_buffer_submitted(output->swapchain, back_buffer);
|
|
}
|
|
|
|
uint32_t committed = output->pending.committed;
|
|
output_state_clear(&output->pending);
|
|
|
|
struct wlr_output_event_commit event = {
|
|
.output = output,
|
|
.committed = committed,
|
|
.when = &now,
|
|
.buffer = back_buffer,
|
|
};
|
|
wlr_signal_emit_safe(&output->events.commit, &event);
|
|
|
|
if (back_buffer != NULL) {
|
|
wlr_buffer_unlock(back_buffer);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void wlr_output_rollback(struct wlr_output *output) {
|
|
output_clear_back_buffer(output);
|
|
output_state_clear(&output->pending);
|
|
}
|
|
|
|
void wlr_output_attach_buffer(struct wlr_output *output,
|
|
struct wlr_buffer *buffer) {
|
|
output_state_clear_buffer(&output->pending);
|
|
output->pending.committed |= WLR_OUTPUT_STATE_BUFFER;
|
|
output->pending.buffer = wlr_buffer_lock(buffer);
|
|
}
|
|
|
|
void wlr_output_send_frame(struct wlr_output *output) {
|
|
output->frame_pending = false;
|
|
if (output->enabled) {
|
|
wlr_signal_emit_safe(&output->events.frame, output);
|
|
}
|
|
}
|
|
|
|
static void schedule_frame_handle_idle_timer(void *data) {
|
|
struct wlr_output *output = data;
|
|
output->idle_frame = NULL;
|
|
if (!output->frame_pending) {
|
|
wlr_output_send_frame(output);
|
|
}
|
|
}
|
|
|
|
void wlr_output_schedule_frame(struct wlr_output *output) {
|
|
// Make sure the compositor commits a new frame. This is necessary to make
|
|
// clients which ask for frame callbacks without submitting a new buffer
|
|
// work.
|
|
wlr_output_update_needs_frame(output);
|
|
|
|
if (output->frame_pending || output->idle_frame != NULL) {
|
|
return;
|
|
}
|
|
|
|
// We're using an idle timer here in case a buffer swap happens right after
|
|
// this function is called
|
|
struct wl_event_loop *ev = wl_display_get_event_loop(output->display);
|
|
output->idle_frame =
|
|
wl_event_loop_add_idle(ev, schedule_frame_handle_idle_timer, output);
|
|
}
|
|
|
|
void wlr_output_send_present(struct wlr_output *output,
|
|
struct wlr_output_event_present *event) {
|
|
assert(event);
|
|
event->output = output;
|
|
|
|
struct timespec now;
|
|
if (event->presented && event->when == NULL) {
|
|
clockid_t clock = wlr_backend_get_presentation_clock(output->backend);
|
|
errno = 0;
|
|
if (clock_gettime(clock, &now) != 0) {
|
|
wlr_log_errno(WLR_ERROR, "failed to send output present event: "
|
|
"failed to read clock");
|
|
return;
|
|
}
|
|
event->when = &now;
|
|
}
|
|
|
|
wlr_signal_emit_safe(&output->events.present, event);
|
|
}
|
|
|
|
void wlr_output_set_gamma(struct wlr_output *output, size_t size,
|
|
const uint16_t *r, const uint16_t *g, const uint16_t *b) {
|
|
output_state_clear_gamma_lut(&output->pending);
|
|
|
|
output->pending.gamma_lut_size = size;
|
|
output->pending.gamma_lut = malloc(3 * size * sizeof(uint16_t));
|
|
if (output->pending.gamma_lut == NULL) {
|
|
wlr_log_errno(WLR_ERROR, "Allocation failed");
|
|
return;
|
|
}
|
|
memcpy(output->pending.gamma_lut, r, size * sizeof(uint16_t));
|
|
memcpy(output->pending.gamma_lut + size, g, size * sizeof(uint16_t));
|
|
memcpy(output->pending.gamma_lut + 2 * size, b, size * sizeof(uint16_t));
|
|
|
|
output->pending.committed |= WLR_OUTPUT_STATE_GAMMA_LUT;
|
|
}
|
|
|
|
size_t wlr_output_get_gamma_size(struct wlr_output *output) {
|
|
if (!output->impl->get_gamma_size) {
|
|
return 0;
|
|
}
|
|
return output->impl->get_gamma_size(output);
|
|
}
|
|
|
|
void wlr_output_update_needs_frame(struct wlr_output *output) {
|
|
if (output->needs_frame) {
|
|
return;
|
|
}
|
|
output->needs_frame = true;
|
|
wlr_signal_emit_safe(&output->events.needs_frame, output);
|
|
}
|
|
|
|
void wlr_output_damage_whole(struct wlr_output *output) {
|
|
int width, height;
|
|
wlr_output_transformed_resolution(output, &width, &height);
|
|
|
|
pixman_region32_t damage;
|
|
pixman_region32_init_rect(&damage, 0, 0, width, height);
|
|
|
|
struct wlr_output_event_damage event = {
|
|
.output = output,
|
|
.damage = &damage,
|
|
};
|
|
wlr_signal_emit_safe(&output->events.damage, &event);
|
|
|
|
pixman_region32_fini(&damage);
|
|
}
|
|
|
|
const struct wlr_drm_format_set *wlr_output_get_primary_formats(
|
|
struct wlr_output *output, uint32_t buffer_caps) {
|
|
if (!output->impl->get_primary_formats) {
|
|
return NULL;
|
|
}
|
|
|
|
const struct wlr_drm_format_set *formats =
|
|
output->impl->get_primary_formats(output, buffer_caps);
|
|
if (formats == NULL) {
|
|
wlr_log(WLR_ERROR, "Failed to get primary display formats");
|
|
|
|
static const struct wlr_drm_format_set empty_format_set = {0};
|
|
return &empty_format_set;
|
|
}
|
|
|
|
return formats;
|
|
}
|