mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-09 15:05:58 +01:00
cc56b4f073
Instead, the commit event should be used.
1241 lines
35 KiB
C
1241 lines
35 KiB
C
#define _POSIX_C_SOURCE 200809L
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#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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#include <tgmath.h>
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#include <time.h>
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#include <wayland-server-core.h>
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#include <wlr/interfaces/wlr_output.h>
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#include <wlr/render/interface.h>
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#include <wlr/render/wlr_renderer.h>
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#include <wlr/types/wlr_box.h>
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#include <wlr/types/wlr_matrix.h>
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#include <wlr/types/wlr_output.h>
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#include <wlr/types/wlr_seat.h>
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#include <wlr/types/wlr_surface.h>
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#include <wlr/util/log.h>
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#include <wlr/util/region.h>
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#include "util/global.h"
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#include "util/signal.h"
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#define OUTPUT_VERSION 3
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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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wl_output_send_geometry(resource, 0, 0,
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output->phys_width, output->phys_height, output->subpixel,
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output->make, output->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_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_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, output->display);
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output->global = NULL;
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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_projection(output->transform_matrix, output->width,
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output->height, output->transform);
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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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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_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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return;
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}
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output->subpixel = subpixel;
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struct wl_resource *resource;
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wl_resource_for_each(resource, &output->resources) {
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send_geometry(resource);
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}
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wlr_output_schedule_done(output);
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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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wlr_signal_emit_safe(&output->events.description, output);
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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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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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}
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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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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->attach_render && impl->rollback_render && 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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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->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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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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wlr_signal_emit_safe(&output->events.destroy, output);
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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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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->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 last one
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return wl_container_of(output->modes.prev, 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;
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}
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wlr_buffer_unlock(state->buffer);
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state->buffer = NULL;
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state->committed &= ~WLR_OUTPUT_STATE_BUFFER;
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}
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bool wlr_output_attach_render(struct wlr_output *output, int *buffer_age) {
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if (!output->impl->attach_render(output, buffer_age)) {
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return false;
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}
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output_state_clear_buffer(&output->pending);
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output->pending.committed |= WLR_OUTPUT_STATE_BUFFER;
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output->pending.buffer_type = WLR_OUTPUT_STATE_BUFFER_RENDER;
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return true;
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}
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bool wlr_output_preferred_read_format(struct wlr_output *output,
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enum wl_shm_format *fmt) {
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struct wlr_renderer *renderer = wlr_backend_get_renderer(output->backend);
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if (!renderer->impl->preferred_read_format || !renderer->impl->read_pixels) {
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return false;
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}
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if (!output->impl->attach_render(output, NULL)) {
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return false;
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}
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*fmt = renderer->impl->preferred_read_format(renderer);
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output->impl->rollback_render(output);
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return true;
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}
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void wlr_output_set_damage(struct wlr_output *output,
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pixman_region32_t *damage) {
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pixman_region32_intersect_rect(&output->pending.damage, damage,
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0, 0, output->width, output->height);
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output->pending.committed |= WLR_OUTPUT_STATE_DAMAGE;
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}
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static void output_state_clear_gamma_lut(struct wlr_output_state *state) {
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free(state->gamma_lut);
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state->gamma_lut = NULL;
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state->committed &= ~WLR_OUTPUT_STATE_GAMMA_LUT;
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}
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static void output_state_clear(struct wlr_output_state *state) {
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output_state_clear_buffer(state);
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output_state_clear_gamma_lut(state);
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pixman_region32_clear(&state->damage);
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state->committed = 0;
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}
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static void output_pending_resolution(struct wlr_output *output, int *width,
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int *height) {
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if (output->pending.committed & WLR_OUTPUT_STATE_MODE) {
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switch (output->pending.mode_type) {
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case WLR_OUTPUT_STATE_MODE_FIXED:
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*width = output->pending.mode->width;
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*height = output->pending.mode->height;
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return;
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case WLR_OUTPUT_STATE_MODE_CUSTOM:
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*width = output->pending.custom_mode.width;
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*height = output->pending.custom_mode.height;
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return;
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}
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abort();
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} 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->pending.buffer_type == WLR_OUTPUT_STATE_BUFFER_SCANOUT) {
|
|
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;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool enabled = output->enabled;
|
|
if (output->pending.committed & WLR_OUTPUT_STATE_ENABLED) {
|
|
enabled = output->pending.enabled;
|
|
}
|
|
|
|
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_GAMMA_LUT) {
|
|
wlr_log(WLR_DEBUG, "Tried to set the gamma lut on a disabled output");
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool wlr_output_test(struct wlr_output *output) {
|
|
if (!output_basic_test(output)) {
|
|
return false;
|
|
}
|
|
return output->impl->test(output);
|
|
}
|
|
|
|
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->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);
|
|
|
|
if (!output->impl->commit(output)) {
|
|
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);
|
|
}
|
|
}
|
|
|
|
output->commit_seq++;
|
|
|
|
struct wlr_output_event_commit event = {
|
|
.output = output,
|
|
.committed = output->pending.committed,
|
|
.when = &now,
|
|
};
|
|
wlr_signal_emit_safe(&output->events.commit, &event);
|
|
|
|
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);
|
|
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);
|
|
}
|
|
|
|
if (output->pending.committed & WLR_OUTPUT_STATE_BUFFER) {
|
|
output->frame_pending = true;
|
|
output->needs_frame = false;
|
|
}
|
|
|
|
output_state_clear(&output->pending);
|
|
return true;
|
|
}
|
|
|
|
void wlr_output_rollback(struct wlr_output *output) {
|
|
if (output->impl->rollback_render &&
|
|
(output->pending.committed & WLR_OUTPUT_STATE_BUFFER) &&
|
|
output->pending.buffer_type == WLR_OUTPUT_STATE_BUFFER_RENDER) {
|
|
output->impl->rollback_render(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_type = WLR_OUTPUT_STATE_BUFFER_SCANOUT;
|
|
output->pending.buffer = wlr_buffer_lock(buffer);
|
|
}
|
|
|
|
void wlr_output_send_frame(struct wlr_output *output) {
|
|
output->frame_pending = false;
|
|
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) {
|
|
struct wlr_output_event_present _event = {0};
|
|
if (event == NULL) {
|
|
event = &_event;
|
|
event->commit_seq = output->commit_seq + 1;
|
|
}
|
|
|
|
event->output = output;
|
|
|
|
struct timespec now;
|
|
if (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);
|
|
}
|
|
|
|
bool wlr_output_export_dmabuf(struct wlr_output *output,
|
|
struct wlr_dmabuf_attributes *attribs) {
|
|
if (!output->impl->export_dmabuf) {
|
|
return false;
|
|
}
|
|
return output->impl->export_dmabuf(output, attribs);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
struct wlr_output *wlr_output_from_resource(struct wl_resource *resource) {
|
|
assert(wl_resource_instance_of(resource, &wl_output_interface,
|
|
&output_impl));
|
|
return wl_resource_get_user_data(resource);
|
|
}
|
|
|
|
void wlr_output_lock_attach_render(struct wlr_output *output, bool lock) {
|
|
if (lock) {
|
|
++output->attach_render_locks;
|
|
} else {
|
|
assert(output->attach_render_locks > 0);
|
|
--output->attach_render_locks;
|
|
}
|
|
wlr_log(WLR_DEBUG, "%s direct scan-out on output '%s' (locks: %d)",
|
|
lock ? "Disabling" : "Enabling", output->name,
|
|
output->attach_render_locks);
|
|
}
|
|
|
|
static void output_cursor_damage_whole(struct wlr_output_cursor *cursor);
|
|
|
|
void wlr_output_lock_software_cursors(struct wlr_output *output, bool lock) {
|
|
if (lock) {
|
|
++output->software_cursor_locks;
|
|
} else {
|
|
assert(output->software_cursor_locks > 0);
|
|
--output->software_cursor_locks;
|
|
}
|
|
wlr_log(WLR_DEBUG, "%s hardware cursors on output '%s' (locks: %d)",
|
|
lock ? "Disabling" : "Enabling", output->name,
|
|
output->software_cursor_locks);
|
|
|
|
if (output->software_cursor_locks > 0 && output->hardware_cursor != NULL) {
|
|
assert(output->impl->set_cursor);
|
|
output->impl->set_cursor(output, NULL, 1,
|
|
WL_OUTPUT_TRANSFORM_NORMAL, 0, 0, true);
|
|
output_cursor_damage_whole(output->hardware_cursor);
|
|
output->hardware_cursor = NULL;
|
|
}
|
|
|
|
// If it's possible to use hardware cursors again, don't switch immediately
|
|
// since a recorder is likely to lock software cursors for the next frame
|
|
// again.
|
|
}
|
|
|
|
static void output_scissor(struct wlr_output *output, pixman_box32_t *rect) {
|
|
struct wlr_renderer *renderer = wlr_backend_get_renderer(output->backend);
|
|
assert(renderer);
|
|
|
|
struct wlr_box box = {
|
|
.x = rect->x1,
|
|
.y = rect->y1,
|
|
.width = rect->x2 - rect->x1,
|
|
.height = rect->y2 - rect->y1,
|
|
};
|
|
|
|
int ow, oh;
|
|
wlr_output_transformed_resolution(output, &ow, &oh);
|
|
|
|
enum wl_output_transform transform =
|
|
wlr_output_transform_invert(output->transform);
|
|
wlr_box_transform(&box, &box, transform, ow, oh);
|
|
|
|
wlr_renderer_scissor(renderer, &box);
|
|
}
|
|
|
|
static void output_cursor_get_box(struct wlr_output_cursor *cursor,
|
|
struct wlr_box *box);
|
|
|
|
static void output_cursor_render(struct wlr_output_cursor *cursor,
|
|
pixman_region32_t *damage) {
|
|
struct wlr_renderer *renderer =
|
|
wlr_backend_get_renderer(cursor->output->backend);
|
|
assert(renderer);
|
|
|
|
struct wlr_texture *texture = cursor->texture;
|
|
if (cursor->surface != NULL) {
|
|
texture = wlr_surface_get_texture(cursor->surface);
|
|
}
|
|
if (texture == NULL) {
|
|
return;
|
|
}
|
|
|
|
struct wlr_box box;
|
|
output_cursor_get_box(cursor, &box);
|
|
|
|
pixman_region32_t surface_damage;
|
|
pixman_region32_init(&surface_damage);
|
|
pixman_region32_union_rect(&surface_damage, &surface_damage, box.x, box.y,
|
|
box.width, box.height);
|
|
pixman_region32_intersect(&surface_damage, &surface_damage, damage);
|
|
if (!pixman_region32_not_empty(&surface_damage)) {
|
|
goto surface_damage_finish;
|
|
}
|
|
|
|
float matrix[9];
|
|
wlr_matrix_project_box(matrix, &box, WL_OUTPUT_TRANSFORM_NORMAL, 0,
|
|
cursor->output->transform_matrix);
|
|
|
|
int nrects;
|
|
pixman_box32_t *rects = pixman_region32_rectangles(&surface_damage, &nrects);
|
|
for (int i = 0; i < nrects; ++i) {
|
|
output_scissor(cursor->output, &rects[i]);
|
|
wlr_render_texture_with_matrix(renderer, texture, matrix, 1.0f);
|
|
}
|
|
wlr_renderer_scissor(renderer, NULL);
|
|
|
|
surface_damage_finish:
|
|
pixman_region32_fini(&surface_damage);
|
|
}
|
|
|
|
void wlr_output_render_software_cursors(struct wlr_output *output,
|
|
pixman_region32_t *damage) {
|
|
int width, height;
|
|
wlr_output_transformed_resolution(output, &width, &height);
|
|
|
|
pixman_region32_t render_damage;
|
|
pixman_region32_init(&render_damage);
|
|
pixman_region32_union_rect(&render_damage, &render_damage, 0, 0,
|
|
width, height);
|
|
if (damage != NULL) {
|
|
// Damage tracking supported
|
|
pixman_region32_intersect(&render_damage, &render_damage, damage);
|
|
}
|
|
|
|
if (pixman_region32_not_empty(&render_damage)) {
|
|
struct wlr_output_cursor *cursor;
|
|
wl_list_for_each(cursor, &output->cursors, link) {
|
|
if (!cursor->enabled || !cursor->visible ||
|
|
output->hardware_cursor == cursor) {
|
|
continue;
|
|
}
|
|
output_cursor_render(cursor, &render_damage);
|
|
}
|
|
}
|
|
|
|
pixman_region32_fini(&render_damage);
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns the cursor box, scaled for its output.
|
|
*/
|
|
static void output_cursor_get_box(struct wlr_output_cursor *cursor,
|
|
struct wlr_box *box) {
|
|
box->x = cursor->x - cursor->hotspot_x;
|
|
box->y = cursor->y - cursor->hotspot_y;
|
|
box->width = cursor->width;
|
|
box->height = cursor->height;
|
|
}
|
|
|
|
static void output_cursor_damage_whole(struct wlr_output_cursor *cursor) {
|
|
struct wlr_box box;
|
|
output_cursor_get_box(cursor, &box);
|
|
|
|
pixman_region32_t damage;
|
|
pixman_region32_init_rect(&damage, box.x, box.y, box.width, box.height);
|
|
|
|
struct wlr_output_event_damage event = {
|
|
.output = cursor->output,
|
|
.damage = &damage,
|
|
};
|
|
wlr_signal_emit_safe(&cursor->output->events.damage, &event);
|
|
|
|
pixman_region32_fini(&damage);
|
|
}
|
|
|
|
static void output_cursor_reset(struct wlr_output_cursor *cursor) {
|
|
if (cursor->output->hardware_cursor != cursor) {
|
|
output_cursor_damage_whole(cursor);
|
|
}
|
|
if (cursor->surface != NULL) {
|
|
wl_list_remove(&cursor->surface_commit.link);
|
|
wl_list_remove(&cursor->surface_destroy.link);
|
|
if (cursor->visible) {
|
|
wlr_surface_send_leave(cursor->surface, cursor->output);
|
|
}
|
|
cursor->surface = NULL;
|
|
}
|
|
}
|
|
|
|
static void output_cursor_update_visible(struct wlr_output_cursor *cursor) {
|
|
struct wlr_box output_box;
|
|
output_box.x = output_box.y = 0;
|
|
wlr_output_transformed_resolution(cursor->output, &output_box.width,
|
|
&output_box.height);
|
|
|
|
struct wlr_box cursor_box;
|
|
output_cursor_get_box(cursor, &cursor_box);
|
|
|
|
struct wlr_box intersection;
|
|
bool visible =
|
|
wlr_box_intersection(&intersection, &output_box, &cursor_box);
|
|
|
|
if (cursor->surface != NULL) {
|
|
if (cursor->visible && !visible) {
|
|
wlr_surface_send_leave(cursor->surface, cursor->output);
|
|
}
|
|
if (!cursor->visible && visible) {
|
|
wlr_surface_send_enter(cursor->surface, cursor->output);
|
|
}
|
|
}
|
|
|
|
cursor->visible = visible;
|
|
}
|
|
|
|
static bool output_cursor_attempt_hardware(struct wlr_output_cursor *cursor) {
|
|
float scale = cursor->output->scale;
|
|
enum wl_output_transform transform = WL_OUTPUT_TRANSFORM_NORMAL;
|
|
struct wlr_texture *texture = cursor->texture;
|
|
if (cursor->surface != NULL) {
|
|
texture = wlr_surface_get_texture(cursor->surface);
|
|
scale = cursor->surface->current.scale;
|
|
transform = cursor->surface->current.transform;
|
|
}
|
|
|
|
if (cursor->output->software_cursor_locks > 0) {
|
|
return false;
|
|
}
|
|
|
|
struct wlr_output_cursor *hwcur = cursor->output->hardware_cursor;
|
|
if (cursor->output->impl->set_cursor && (hwcur == NULL || hwcur == cursor)) {
|
|
// If the cursor was hidden or was a software cursor, the hardware
|
|
// cursor position is outdated
|
|
assert(cursor->output->impl->move_cursor);
|
|
cursor->output->impl->move_cursor(cursor->output,
|
|
(int)cursor->x, (int)cursor->y);
|
|
if (cursor->output->impl->set_cursor(cursor->output, texture,
|
|
scale, transform, cursor->hotspot_x, cursor->hotspot_y, true)) {
|
|
cursor->output->hardware_cursor = cursor;
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool wlr_output_cursor_set_image(struct wlr_output_cursor *cursor,
|
|
const uint8_t *pixels, int32_t stride, uint32_t width, uint32_t height,
|
|
int32_t hotspot_x, int32_t hotspot_y) {
|
|
struct wlr_renderer *renderer =
|
|
wlr_backend_get_renderer(cursor->output->backend);
|
|
if (!renderer) {
|
|
// if the backend has no renderer, we can't draw a cursor, but this is
|
|
// actually okay, for ex. with the noop backend
|
|
return true;
|
|
}
|
|
|
|
output_cursor_reset(cursor);
|
|
|
|
cursor->width = width;
|
|
cursor->height = height;
|
|
cursor->hotspot_x = hotspot_x;
|
|
cursor->hotspot_y = hotspot_y;
|
|
output_cursor_update_visible(cursor);
|
|
|
|
wlr_texture_destroy(cursor->texture);
|
|
cursor->texture = NULL;
|
|
|
|
cursor->enabled = false;
|
|
if (pixels != NULL) {
|
|
cursor->texture = wlr_texture_from_pixels(renderer,
|
|
WL_SHM_FORMAT_ARGB8888, stride, width, height, pixels);
|
|
if (cursor->texture == NULL) {
|
|
return false;
|
|
}
|
|
cursor->enabled = true;
|
|
}
|
|
|
|
if (output_cursor_attempt_hardware(cursor)) {
|
|
return true;
|
|
}
|
|
|
|
wlr_log(WLR_DEBUG, "Falling back to software cursor on output '%s'",
|
|
cursor->output->name);
|
|
output_cursor_damage_whole(cursor);
|
|
return true;
|
|
}
|
|
|
|
static void output_cursor_commit(struct wlr_output_cursor *cursor,
|
|
bool update_hotspot) {
|
|
if (cursor->output->hardware_cursor != cursor) {
|
|
output_cursor_damage_whole(cursor);
|
|
}
|
|
|
|
struct wlr_surface *surface = cursor->surface;
|
|
assert(surface != NULL);
|
|
|
|
// Some clients commit a cursor surface with a NULL buffer to hide it.
|
|
cursor->enabled = wlr_surface_has_buffer(surface);
|
|
cursor->width = surface->current.width * cursor->output->scale;
|
|
cursor->height = surface->current.height * cursor->output->scale;
|
|
output_cursor_update_visible(cursor);
|
|
if (update_hotspot) {
|
|
cursor->hotspot_x -= surface->current.dx * cursor->output->scale;
|
|
cursor->hotspot_y -= surface->current.dy * cursor->output->scale;
|
|
}
|
|
|
|
if (output_cursor_attempt_hardware(cursor)) {
|
|
return;
|
|
}
|
|
|
|
// Fallback to software cursor
|
|
output_cursor_damage_whole(cursor);
|
|
}
|
|
|
|
static void output_cursor_handle_commit(struct wl_listener *listener,
|
|
void *data) {
|
|
struct wlr_output_cursor *cursor =
|
|
wl_container_of(listener, cursor, surface_commit);
|
|
output_cursor_commit(cursor, true);
|
|
}
|
|
|
|
static void output_cursor_handle_destroy(struct wl_listener *listener,
|
|
void *data) {
|
|
struct wlr_output_cursor *cursor = wl_container_of(listener, cursor,
|
|
surface_destroy);
|
|
output_cursor_reset(cursor);
|
|
}
|
|
|
|
void wlr_output_cursor_set_surface(struct wlr_output_cursor *cursor,
|
|
struct wlr_surface *surface, int32_t hotspot_x, int32_t hotspot_y) {
|
|
hotspot_x *= cursor->output->scale;
|
|
hotspot_y *= cursor->output->scale;
|
|
|
|
if (surface && surface == cursor->surface) {
|
|
// Only update the hotspot: surface hasn't changed
|
|
|
|
if (cursor->output->hardware_cursor != cursor) {
|
|
output_cursor_damage_whole(cursor);
|
|
}
|
|
cursor->hotspot_x = hotspot_x;
|
|
cursor->hotspot_y = hotspot_y;
|
|
if (cursor->output->hardware_cursor != cursor) {
|
|
output_cursor_damage_whole(cursor);
|
|
} else {
|
|
assert(cursor->output->impl->set_cursor);
|
|
cursor->output->impl->set_cursor(cursor->output, NULL,
|
|
1, WL_OUTPUT_TRANSFORM_NORMAL, hotspot_x, hotspot_y, false);
|
|
}
|
|
return;
|
|
}
|
|
|
|
output_cursor_reset(cursor);
|
|
|
|
cursor->surface = surface;
|
|
cursor->hotspot_x = hotspot_x;
|
|
cursor->hotspot_y = hotspot_y;
|
|
|
|
if (surface != NULL) {
|
|
wl_signal_add(&surface->events.commit, &cursor->surface_commit);
|
|
wl_signal_add(&surface->events.destroy, &cursor->surface_destroy);
|
|
|
|
cursor->visible = false;
|
|
output_cursor_commit(cursor, false);
|
|
} else {
|
|
cursor->enabled = false;
|
|
cursor->width = 0;
|
|
cursor->height = 0;
|
|
|
|
if (cursor->output->hardware_cursor == cursor) {
|
|
assert(cursor->output->impl->set_cursor);
|
|
cursor->output->impl->set_cursor(cursor->output, NULL, 1,
|
|
WL_OUTPUT_TRANSFORM_NORMAL, 0, 0, true);
|
|
}
|
|
}
|
|
}
|
|
|
|
bool wlr_output_cursor_move(struct wlr_output_cursor *cursor,
|
|
double x, double y) {
|
|
if (cursor->x == x && cursor->y == y) {
|
|
return true;
|
|
}
|
|
|
|
if (cursor->output->hardware_cursor != cursor) {
|
|
output_cursor_damage_whole(cursor);
|
|
}
|
|
|
|
bool was_visible = cursor->visible;
|
|
x *= cursor->output->scale;
|
|
y *= cursor->output->scale;
|
|
cursor->x = x;
|
|
cursor->y = y;
|
|
output_cursor_update_visible(cursor);
|
|
|
|
if (!was_visible && !cursor->visible) {
|
|
// Cursor is still hidden, do nothing
|
|
return true;
|
|
}
|
|
|
|
if (cursor->output->hardware_cursor != cursor) {
|
|
output_cursor_damage_whole(cursor);
|
|
return true;
|
|
}
|
|
|
|
assert(cursor->output->impl->move_cursor);
|
|
return cursor->output->impl->move_cursor(cursor->output, (int)x, (int)y);
|
|
}
|
|
|
|
struct wlr_output_cursor *wlr_output_cursor_create(struct wlr_output *output) {
|
|
struct wlr_output_cursor *cursor =
|
|
calloc(1, sizeof(struct wlr_output_cursor));
|
|
if (cursor == NULL) {
|
|
return NULL;
|
|
}
|
|
cursor->output = output;
|
|
wl_signal_init(&cursor->events.destroy);
|
|
wl_list_init(&cursor->surface_commit.link);
|
|
cursor->surface_commit.notify = output_cursor_handle_commit;
|
|
wl_list_init(&cursor->surface_destroy.link);
|
|
cursor->surface_destroy.notify = output_cursor_handle_destroy;
|
|
wl_list_insert(&output->cursors, &cursor->link);
|
|
cursor->visible = true; // default position is at (0, 0)
|
|
return cursor;
|
|
}
|
|
|
|
void wlr_output_cursor_destroy(struct wlr_output_cursor *cursor) {
|
|
if (cursor == NULL) {
|
|
return;
|
|
}
|
|
output_cursor_reset(cursor);
|
|
wlr_signal_emit_safe(&cursor->events.destroy, cursor);
|
|
if (cursor->output->hardware_cursor == cursor) {
|
|
// If this cursor was the hardware cursor, disable it
|
|
if (cursor->output->impl->set_cursor) {
|
|
cursor->output->impl->set_cursor(cursor->output, NULL, 1,
|
|
WL_OUTPUT_TRANSFORM_NORMAL, 0, 0, true);
|
|
}
|
|
cursor->output->hardware_cursor = NULL;
|
|
}
|
|
wlr_texture_destroy(cursor->texture);
|
|
wl_list_remove(&cursor->link);
|
|
free(cursor);
|
|
}
|
|
|
|
|
|
enum wl_output_transform wlr_output_transform_invert(
|
|
enum wl_output_transform tr) {
|
|
if ((tr & WL_OUTPUT_TRANSFORM_90) && !(tr & WL_OUTPUT_TRANSFORM_FLIPPED)) {
|
|
tr ^= WL_OUTPUT_TRANSFORM_180;
|
|
}
|
|
return tr;
|
|
}
|
|
|
|
enum wl_output_transform wlr_output_transform_compose(
|
|
enum wl_output_transform tr_a, enum wl_output_transform tr_b) {
|
|
uint32_t flipped = (tr_a ^ tr_b) & WL_OUTPUT_TRANSFORM_FLIPPED;
|
|
uint32_t rotation_mask = WL_OUTPUT_TRANSFORM_90 | WL_OUTPUT_TRANSFORM_180;
|
|
uint32_t rotated;
|
|
if (tr_b & WL_OUTPUT_TRANSFORM_FLIPPED) {
|
|
// When a rotation of k degrees is followed by a flip, the
|
|
// equivalent transform is a flip followed by a rotation of
|
|
// -k degrees.
|
|
rotated = (tr_b - tr_a) & rotation_mask;
|
|
} else {
|
|
rotated = (tr_a + tr_b) & rotation_mask;
|
|
}
|
|
return flipped | rotated;
|
|
}
|