mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-30 00:15:58 +01:00
298 lines
7.7 KiB
C
298 lines
7.7 KiB
C
#define _POSIX_C_SOURCE 199309L
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#include <assert.h>
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#include <GLES2/gl2.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include <wayland-client.h>
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#include <wayland-egl.h>
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#include <wlr/render/egl.h>
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#include <wlr/util/log.h>
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#include "wlr-layer-shell-unstable-v1-client-protocol.h"
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static struct wl_compositor *compositor = NULL;
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static struct zwlr_layer_shell_v1 *layer_shell = NULL;
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struct zwlr_layer_surface_v1 *layer_surface;
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static struct wl_output *wl_output = NULL;
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struct wl_surface *wl_surface;
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struct wlr_egl egl;
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struct wl_egl_window *egl_window;
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struct wlr_egl_surface *egl_surface;
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struct wl_callback *frame_callback;
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static uint32_t output = 0;
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static uint32_t layer = ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND;
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static uint32_t anchor = 0;
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static uint32_t width = 256, height = 256;
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static int32_t margin_top = 0;
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static double alpha = 1.0;
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static bool run_display = true;
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static bool animate = false;
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static double frame = 0;
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static struct {
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struct timespec last_frame;
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float color[3];
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int dec;
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} demo;
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static void draw(void);
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static void surface_frame_callback(
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void *data, struct wl_callback *cb, uint32_t time) {
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wl_callback_destroy(cb);
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frame_callback = NULL;
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draw();
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}
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static struct wl_callback_listener frame_listener = {
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.done = surface_frame_callback
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};
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static void draw(void) {
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eglMakeCurrent(egl.display, egl_surface, egl_surface, egl.context);
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struct timespec ts;
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clock_gettime(CLOCK_MONOTONIC, &ts);
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long ms = (ts.tv_sec - demo.last_frame.tv_sec) * 1000 +
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(ts.tv_nsec - demo.last_frame.tv_nsec) / 1000000;
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int inc = (demo.dec + 1) % 3;
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demo.color[inc] += ms / 2000.0f;
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demo.color[demo.dec] -= ms / 2000.0f;
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if (demo.color[demo.dec] < 0.0f) {
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demo.color[inc] = 1.0f;
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demo.color[demo.dec] = 0.0f;
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demo.dec = inc;
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}
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if (animate) {
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frame += ms / 50.0;
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int32_t old_top = margin_top;
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margin_top = -(20 - ((int)frame % 20));
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if (old_top != margin_top) {
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zwlr_layer_surface_v1_set_margin(layer_surface,
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margin_top, 0, 0, 0);
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wl_surface_commit(wl_surface);
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}
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}
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glViewport(0, 0, width, height);
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glClearColor(demo.color[0], demo.color[1], demo.color[2], alpha);
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glClear(GL_COLOR_BUFFER_BIT);
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frame_callback = wl_surface_frame(wl_surface);
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wl_callback_add_listener(frame_callback, &frame_listener, NULL);
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eglSwapBuffers(egl.display, egl_surface);
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demo.last_frame = ts;
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}
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static void layer_surface_configure(void *data,
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struct zwlr_layer_surface_v1 *surface,
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uint32_t serial, uint32_t w, uint32_t h) {
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width = w;
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height = h;
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if (egl_window) {
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wl_egl_window_resize(egl_window, width, height, 0, 0);
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}
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zwlr_layer_surface_v1_ack_configure(surface, serial);
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}
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static void layer_surface_closed(void *data,
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struct zwlr_layer_surface_v1 *surface) {
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eglDestroySurface(egl.display, egl_surface);
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wl_egl_window_destroy(egl_window);
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zwlr_layer_surface_v1_destroy(surface);
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wl_surface_destroy(wl_surface);
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run_display = false;
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}
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struct zwlr_layer_surface_v1_listener layer_surface_listener = {
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.configure = layer_surface_configure,
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.closed = layer_surface_closed,
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};
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static void handle_global(void *data, struct wl_registry *registry,
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uint32_t name, const char *interface, uint32_t version) {
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if (strcmp(interface, "wl_compositor") == 0) {
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compositor = wl_registry_bind(registry, name,
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&wl_compositor_interface, 1);
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} else if (strcmp(interface, "wl_output") == 0) {
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if (output == 0 && !wl_output) {
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wl_output = wl_registry_bind(registry, name,
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&wl_output_interface, 1);
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} else {
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output--;
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}
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} else if (strcmp(interface, zwlr_layer_shell_v1_interface.name) == 0) {
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layer_shell = wl_registry_bind(
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registry, name, &zwlr_layer_shell_v1_interface, 1);
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}
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}
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static void handle_global_remove(void *data, struct wl_registry *registry,
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uint32_t name) {
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// who cares
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}
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static const struct wl_registry_listener registry_listener = {
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.global = handle_global,
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.global_remove = handle_global_remove,
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};
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int main(int argc, char **argv) {
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wlr_log_init(L_DEBUG, NULL);
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char *namespace = "wlroots";
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int exclusive_zone = 0;
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int32_t margin_right = 0, margin_bottom = 0, margin_left = 0;
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bool found;
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int c;
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while ((c = getopt(argc, argv, "nw:h:o:l:a:x:m:t:")) != -1) {
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switch (c) {
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case 'o':
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output = atoi(optarg);
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break;
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case 'w':
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width = atoi(optarg);
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break;
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case 'h':
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height = atoi(optarg);
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break;
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case 'x':
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exclusive_zone = atoi(optarg);
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break;
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case 'l': {
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struct {
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char *name;
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enum zwlr_layer_shell_v1_layer value;
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} layers[] = {
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{ "background", ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND },
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{ "bottom", ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM },
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{ "top", ZWLR_LAYER_SHELL_V1_LAYER_TOP },
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{ "overlay", ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY },
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};
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found = false;
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for (size_t i = 0; i < sizeof(layers) / sizeof(layers[0]); ++i) {
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if (strcmp(optarg, layers[i].name) == 0) {
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layer = layers[i].value;
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found = true;
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break;
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}
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}
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if (!found) {
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fprintf(stderr, "invalid layer %s\n", optarg);
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return 1;
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}
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break;
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}
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case 'a': {
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struct {
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char *name;
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uint32_t value;
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} anchors[] = {
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{ "top", ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP },
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{ "bottom", ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM },
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{ "left", ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT },
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{ "right", ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT },
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};
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found = false;
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for (size_t i = 0; i < sizeof(anchors) / sizeof(anchors[0]); ++i) {
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if (strcmp(optarg, anchors[i].name) == 0) {
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anchor |= anchors[i].value;
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found = true;
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break;
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}
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}
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if (!found) {
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fprintf(stderr, "invalid anchor %s\n", optarg);
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return 1;
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}
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break;
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}
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case 't':
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alpha = atof(optarg);
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break;
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case 'm': {
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char *endptr = optarg;
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margin_top = strtol(endptr, &endptr, 10);
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assert(*endptr == ',');
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margin_right = strtol(endptr + 1, &endptr, 10);
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assert(*endptr == ',');
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margin_bottom = strtol(endptr + 1, &endptr, 10);
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assert(*endptr == ',');
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margin_left = strtol(endptr + 1, &endptr, 10);
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assert(!*endptr);
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break;
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}
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case 'n':
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animate = true;
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break;
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default:
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break;
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}
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}
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struct wl_display *display = wl_display_connect(NULL);
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if (display == NULL) {
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fprintf(stderr, "Failed to create display\n");
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return 1;
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}
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struct wl_registry *registry = wl_display_get_registry(display);
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wl_registry_add_listener(registry, ®istry_listener, NULL);
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wl_display_roundtrip(display);
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if (compositor == NULL) {
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fprintf(stderr, "wl-compositor not available\n");
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return 1;
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}
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if (layer_shell == NULL) {
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fprintf(stderr, "layer-shell not available\n");
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return 1;
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}
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if (wl_output == NULL) {
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fprintf(stderr, "wl_output not available\n");
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return 1;
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}
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EGLint attribs[] = { EGL_ALPHA_SIZE, 8, EGL_NONE };
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wlr_egl_init(&egl, EGL_PLATFORM_WAYLAND_EXT, display,
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attribs, WL_SHM_FORMAT_ARGB8888);
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wl_surface = wl_compositor_create_surface(compositor);
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assert(wl_surface);
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layer_surface = zwlr_layer_shell_v1_get_layer_surface(layer_shell,
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wl_surface, wl_output, layer, namespace);
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assert(layer_surface);
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zwlr_layer_surface_v1_set_size(layer_surface, width, height);
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zwlr_layer_surface_v1_set_anchor(layer_surface, anchor);
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zwlr_layer_surface_v1_set_exclusive_zone(layer_surface, exclusive_zone);
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zwlr_layer_surface_v1_set_margin(layer_surface,
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margin_top, margin_right, margin_bottom, margin_left);
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zwlr_layer_surface_v1_add_listener(layer_surface,
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&layer_surface_listener, layer_surface);
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// TODO: interactivity
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wl_surface_commit(wl_surface);
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wl_display_roundtrip(display);
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egl_window = wl_egl_window_create(wl_surface, width, height);
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assert(egl_window);
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egl_surface = wlr_egl_create_surface(&egl, egl_window);
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assert(egl_surface);
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wl_display_roundtrip(display);
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draw();
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while (wl_display_dispatch(display) != -1 && run_display) {
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// This space intentionally left blank
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}
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return 0;
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}
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