mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-29 16:05:59 +01:00
4b03bdc3ab
This callback allowed compositors to customize the EGL config used by the renderer. However with renderer v6 EGL configs aren't used anymore. Instead, buffers are allocated via GBM and GL FBOs are rendered to. So customizing the EGL config is a no-op.
278 lines
8.7 KiB
C
278 lines
8.7 KiB
C
#define _POSIX_C_SOURCE 200112L
|
|
#include <GLES2/gl2.h>
|
|
#include <getopt.h>
|
|
#include <math.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <strings.h>
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
#include <wayland-server-core.h>
|
|
#include <wlr/backend.h>
|
|
#include <wlr/backend/session.h>
|
|
#include <wlr/render/wlr_renderer.h>
|
|
#include <wlr/types/wlr_keyboard.h>
|
|
#include <wlr/types/wlr_output.h>
|
|
#include <wlr/types/wlr_output_layout.h>
|
|
#include <wlr/types/wlr_input_device.h>
|
|
#include <wlr/types/wlr_matrix.h>
|
|
#include <wlr/util/log.h>
|
|
#include <xkbcommon/xkbcommon.h>
|
|
#include "cat.h"
|
|
|
|
struct sample_state {
|
|
struct wl_display *display;
|
|
struct wl_listener new_output;
|
|
struct wl_listener new_input;
|
|
struct timespec last_frame;
|
|
struct wlr_renderer *renderer;
|
|
struct wlr_texture *cat_texture;
|
|
struct wl_list outputs;
|
|
enum wl_output_transform transform;
|
|
};
|
|
|
|
struct sample_output {
|
|
struct sample_state *sample;
|
|
struct wlr_output *output;
|
|
struct wl_listener frame;
|
|
struct wl_listener destroy;
|
|
float x_offs, y_offs;
|
|
float x_vel, y_vel;
|
|
struct wl_list link;
|
|
};
|
|
|
|
struct sample_keyboard {
|
|
struct sample_state *sample;
|
|
struct wlr_input_device *device;
|
|
struct wl_listener key;
|
|
struct wl_listener destroy;
|
|
};
|
|
|
|
static void output_frame_notify(struct wl_listener *listener, void *data) {
|
|
struct sample_output *sample_output = wl_container_of(listener, sample_output, frame);
|
|
struct sample_state *sample = sample_output->sample;
|
|
struct wlr_output *wlr_output = sample_output->output;
|
|
struct timespec now;
|
|
clock_gettime(CLOCK_MONOTONIC, &now);
|
|
|
|
int32_t width, height;
|
|
wlr_output_effective_resolution(wlr_output, &width, &height);
|
|
|
|
wlr_output_attach_render(wlr_output, NULL);
|
|
wlr_renderer_begin(sample->renderer, wlr_output->width, wlr_output->height);
|
|
wlr_renderer_clear(sample->renderer, (float[]){0.25f, 0.25f, 0.25f, 1});
|
|
|
|
for (int y = -128 + (int)sample_output->y_offs; y < height; y += 128) {
|
|
for (int x = -128 + (int)sample_output->x_offs; x < width; x += 128) {
|
|
wlr_render_texture(sample->renderer, sample->cat_texture,
|
|
wlr_output->transform_matrix, x, y, 1.0f);
|
|
}
|
|
}
|
|
|
|
wlr_renderer_end(sample->renderer);
|
|
wlr_output_commit(wlr_output);
|
|
|
|
long ms = (now.tv_sec - sample->last_frame.tv_sec) * 1000 +
|
|
(now.tv_nsec - sample->last_frame.tv_nsec) / 1000000;
|
|
float seconds = ms / 1000.0f;
|
|
|
|
sample_output->x_offs += sample_output->x_vel * seconds;
|
|
sample_output->y_offs += sample_output->y_vel * seconds;
|
|
if (sample_output->x_offs > 128) {
|
|
sample_output->x_offs = 0;
|
|
}
|
|
if (sample_output->y_offs > 128) {
|
|
sample_output->y_offs = 0;
|
|
}
|
|
sample->last_frame = now;
|
|
}
|
|
|
|
static void update_velocities(struct sample_state *sample,
|
|
float x_diff, float y_diff) {
|
|
struct sample_output *sample_output;
|
|
wl_list_for_each(sample_output, &sample->outputs, link) {
|
|
sample_output->x_vel += x_diff;
|
|
sample_output->y_vel += y_diff;
|
|
}
|
|
}
|
|
|
|
static void output_remove_notify(struct wl_listener *listener, void *data) {
|
|
struct sample_output *sample_output = wl_container_of(listener, sample_output, destroy);
|
|
wl_list_remove(&sample_output->frame.link);
|
|
wl_list_remove(&sample_output->destroy.link);
|
|
free(sample_output);
|
|
}
|
|
|
|
static void new_output_notify(struct wl_listener *listener, void *data) {
|
|
struct wlr_output *output = data;
|
|
struct sample_state *sample = wl_container_of(listener, sample, new_output);
|
|
struct sample_output *sample_output = calloc(1, sizeof(struct sample_output));
|
|
if (!wl_list_empty(&output->modes)) {
|
|
struct wlr_output_mode *mode = wl_container_of(output->modes.prev, mode, link);
|
|
wlr_output_set_mode(output, mode);
|
|
}
|
|
sample_output->x_offs = sample_output->y_offs = 0;
|
|
sample_output->x_vel = sample_output->y_vel = 128;
|
|
|
|
wlr_output_set_transform(output, sample->transform);
|
|
sample_output->output = output;
|
|
sample_output->sample = sample;
|
|
wl_signal_add(&output->events.frame, &sample_output->frame);
|
|
sample_output->frame.notify = output_frame_notify;
|
|
wl_signal_add(&output->events.destroy, &sample_output->destroy);
|
|
sample_output->destroy.notify = output_remove_notify;
|
|
wl_list_insert(&sample->outputs, &sample_output->link);
|
|
|
|
wlr_output_commit(output);
|
|
}
|
|
|
|
static void keyboard_key_notify(struct wl_listener *listener, void *data) {
|
|
struct sample_keyboard *keyboard = wl_container_of(listener, keyboard, key);
|
|
struct sample_state *sample = keyboard->sample;
|
|
struct wlr_event_keyboard_key *event = data;
|
|
uint32_t keycode = event->keycode + 8;
|
|
const xkb_keysym_t *syms;
|
|
int nsyms = xkb_state_key_get_syms(keyboard->device->keyboard->xkb_state,
|
|
keycode, &syms);
|
|
for (int i = 0; i < nsyms; i++) {
|
|
xkb_keysym_t sym = syms[i];
|
|
if (sym == XKB_KEY_Escape) {
|
|
wl_display_terminate(sample->display);
|
|
}
|
|
if (event->state == WL_KEYBOARD_KEY_STATE_PRESSED) {
|
|
switch (sym) {
|
|
case XKB_KEY_Left:
|
|
update_velocities(sample, -16, 0);
|
|
break;
|
|
case XKB_KEY_Right:
|
|
update_velocities(sample, 16, 0);
|
|
break;
|
|
case XKB_KEY_Up:
|
|
update_velocities(sample, 0, -16);
|
|
break;
|
|
case XKB_KEY_Down:
|
|
update_velocities(sample, 0, 16);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void keyboard_destroy_notify(struct wl_listener *listener, void *data) {
|
|
struct sample_keyboard *keyboard = wl_container_of(listener, keyboard, destroy);
|
|
wl_list_remove(&keyboard->destroy.link);
|
|
wl_list_remove(&keyboard->key.link);
|
|
free(keyboard);
|
|
}
|
|
|
|
static void new_input_notify(struct wl_listener *listener, void *data) {
|
|
struct wlr_input_device *device = data;
|
|
struct sample_state *sample = wl_container_of(listener, sample, new_input);
|
|
switch (device->type) {
|
|
case WLR_INPUT_DEVICE_KEYBOARD:;
|
|
struct sample_keyboard *keyboard = calloc(1, sizeof(struct sample_keyboard));
|
|
keyboard->device = device;
|
|
keyboard->sample = sample;
|
|
wl_signal_add(&device->events.destroy, &keyboard->destroy);
|
|
keyboard->destroy.notify = keyboard_destroy_notify;
|
|
wl_signal_add(&device->keyboard->events.key, &keyboard->key);
|
|
keyboard->key.notify = keyboard_key_notify;
|
|
struct xkb_rule_names rules = { 0 };
|
|
rules.rules = getenv("XKB_DEFAULT_RULES");
|
|
rules.model = getenv("XKB_DEFAULT_MODEL");
|
|
rules.layout = getenv("XKB_DEFAULT_LAYOUT");
|
|
rules.variant = getenv("XKB_DEFAULT_VARIANT");
|
|
rules.options = getenv("XKB_DEFAULT_OPTIONS");
|
|
struct xkb_context *context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
|
|
if (!context) {
|
|
wlr_log(WLR_ERROR, "Failed to create XKB context");
|
|
exit(1);
|
|
}
|
|
struct xkb_keymap *keymap = xkb_map_new_from_names(context, &rules,
|
|
XKB_KEYMAP_COMPILE_NO_FLAGS);
|
|
if (!keymap) {
|
|
wlr_log(WLR_ERROR, "Failed to create XKB keymap");
|
|
exit(1);
|
|
}
|
|
wlr_keyboard_set_keymap(device->keyboard, keymap);
|
|
xkb_keymap_unref(keymap);
|
|
xkb_context_unref(context);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
int main(int argc, char *argv[]) {
|
|
int c;
|
|
enum wl_output_transform transform = WL_OUTPUT_TRANSFORM_NORMAL;
|
|
while ((c = getopt(argc, argv, "r:")) != -1) {
|
|
switch (c) {
|
|
case 'r':
|
|
if (strcmp(optarg, "90") == 0) {
|
|
transform = WL_OUTPUT_TRANSFORM_90;
|
|
} else if (strcmp(optarg, "180") == 0) {
|
|
transform = WL_OUTPUT_TRANSFORM_180;
|
|
} else if (strcmp(optarg, "270") == 0) {
|
|
transform = WL_OUTPUT_TRANSFORM_270;
|
|
} else if (strcmp(optarg, "flipped") == 0) {
|
|
transform = WL_OUTPUT_TRANSFORM_FLIPPED;
|
|
} else if (strcmp(optarg, "flipped-90") == 0) {
|
|
transform = WL_OUTPUT_TRANSFORM_FLIPPED_90;
|
|
} else if (strcmp(optarg, "flipped-180") == 0) {
|
|
transform = WL_OUTPUT_TRANSFORM_FLIPPED_180;
|
|
} else if (strcmp(optarg, "flipped-270") == 0) {
|
|
transform = WL_OUTPUT_TRANSFORM_FLIPPED_270;
|
|
} else {
|
|
wlr_log(WLR_ERROR, "got unknown transform value: %s", optarg);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
wlr_log_init(WLR_DEBUG, NULL);
|
|
struct wl_display *display = wl_display_create();
|
|
struct sample_state state = {
|
|
.display = display,
|
|
.transform = transform
|
|
};
|
|
wl_list_init(&state.outputs);
|
|
|
|
struct wlr_backend *wlr = wlr_backend_autocreate(display);
|
|
if (!wlr) {
|
|
exit(1);
|
|
}
|
|
|
|
wl_signal_add(&wlr->events.new_output, &state.new_output);
|
|
state.new_output.notify = new_output_notify;
|
|
wl_signal_add(&wlr->events.new_input, &state.new_input);
|
|
state.new_input.notify = new_input_notify;
|
|
clock_gettime(CLOCK_MONOTONIC, &state.last_frame);
|
|
|
|
state.renderer = wlr_backend_get_renderer(wlr);
|
|
if (!state.renderer) {
|
|
wlr_log(WLR_ERROR, "Could not start compositor, OOM");
|
|
wlr_backend_destroy(wlr);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
state.cat_texture = wlr_texture_from_pixels(state.renderer,
|
|
WL_SHM_FORMAT_ABGR8888, cat_tex.width * 4, cat_tex.width, cat_tex.height,
|
|
cat_tex.pixel_data);
|
|
if (!state.cat_texture) {
|
|
wlr_log(WLR_ERROR, "Could not start compositor, OOM");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
if (!wlr_backend_start(wlr)) {
|
|
wlr_log(WLR_ERROR, "Failed to start backend");
|
|
wlr_backend_destroy(wlr);
|
|
exit(1);
|
|
}
|
|
wl_display_run(display);
|
|
|
|
wlr_texture_destroy(state.cat_texture);
|
|
wl_display_destroy(display);
|
|
}
|