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https://gitlab.freedesktop.org/wlroots/wlroots.git
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examples: Drop quads
This example is incomparable with the new rendering API. The old one which we will drop one day.
This commit is contained in:
Alexander Orzechowski
Simon Ser
parent
15f2f6642f
commit
46a014bf47
@ -50,9 +50,6 @@ compositors = {
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'src': 'fullscreen-shell.c',
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'src': 'fullscreen-shell.c',
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'proto': ['fullscreen-shell-unstable-v1'],
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'proto': ['fullscreen-shell-unstable-v1'],
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},
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},
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'quads': {
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'src': 'quads.c',
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},
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'scene-graph': {
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'scene-graph': {
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'src': 'scene-graph.c',
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'src': 'scene-graph.c',
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'proto': ['xdg-shell'],
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'proto': ['xdg-shell'],
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220
examples/quads.c
220
examples/quads.c
@ -1,220 +0,0 @@
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#define _XOPEN_SOURCE 600
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#include <getopt.h>
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#include <math.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 <strings.h>
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#include <time.h>
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#include <unistd.h>
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#include <wayland-server-core.h>
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#include <wlr/backend.h>
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#include <wlr/render/allocator.h>
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#include <wlr/render/wlr_renderer.h>
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#include <wlr/types/wlr_keyboard.h>
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#include <wlr/types/wlr_output.h>
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#include <wlr/types/wlr_input_device.h>
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#include <wlr/types/wlr_matrix.h>
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#include <wlr/util/box.h>
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#include <wlr/util/log.h>
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#include <xkbcommon/xkbcommon.h>
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struct sample_state {
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struct wl_display *display;
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struct wl_listener new_output;
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struct wl_listener new_input;
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struct timespec last_frame;
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struct wlr_renderer *renderer;
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struct wlr_allocator *allocator;
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struct wl_list outputs;
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};
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struct sample_output {
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struct sample_state *sample;
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struct wlr_output *output;
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struct wl_listener frame;
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struct wl_listener destroy;
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struct wl_list link;
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};
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struct sample_keyboard {
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struct sample_state *sample;
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struct wlr_keyboard *wlr_keyboard;
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struct wl_listener key;
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struct wl_listener destroy;
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};
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static void output_frame_notify(struct wl_listener *listener, void *data) {
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struct sample_output *sample_output = wl_container_of(listener, sample_output, frame);
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struct sample_state *sample = sample_output->sample;
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struct wlr_output *wlr_output = sample_output->output;
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struct timespec now;
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clock_gettime(CLOCK_MONOTONIC, &now);
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int32_t width, height;
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wlr_output_effective_resolution(wlr_output, &width, &height);
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wlr_output_attach_render(wlr_output, NULL);
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wlr_renderer_begin(sample->renderer, wlr_output->width, wlr_output->height);
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wlr_renderer_clear(sample->renderer, (float[]){0.25f, 0.25f, 0.25f, 1});
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static float rotation = 0.f;
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for (int y = -128; y < height; y += 128) {
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for (int x = -128; x < width; x += 128) {
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struct wlr_box box = {
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.x = x,
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.y = y,
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.width = 128,
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.height = 128,
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};
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float color[] = {
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255.f / x,
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255.f / y,
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255.f / (x + y),
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1.f
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};
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float matrix[9];
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wlr_matrix_project_box(matrix, &box, WL_OUTPUT_TRANSFORM_NORMAL,
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rotation, wlr_output->transform_matrix);
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wlr_render_quad_with_matrix(sample->renderer, color, matrix);
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}
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}
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wlr_renderer_end(sample->renderer);
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wlr_output_commit(wlr_output);
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//TODO rotate with a delta time
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rotation += 0.05;
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if (rotation > 2 * M_PI) {
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rotation = 0.f;
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}
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sample->last_frame = now;
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}
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static void output_remove_notify(struct wl_listener *listener, void *data) {
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struct sample_output *sample_output = wl_container_of(listener, sample_output, destroy);
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wl_list_remove(&sample_output->frame.link);
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wl_list_remove(&sample_output->destroy.link);
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free(sample_output);
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}
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static void new_output_notify(struct wl_listener *listener, void *data) {
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struct wlr_output *output = data;
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struct sample_state *sample = wl_container_of(listener, sample, new_output);
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wlr_output_init_render(output, sample->allocator, sample->renderer);
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struct sample_output *sample_output = calloc(1, sizeof(struct sample_output));
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struct wlr_output_mode *mode = wlr_output_preferred_mode(output);
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if (mode != NULL) {
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wlr_output_set_mode(output, mode);
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}
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sample_output->output = output;
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sample_output->sample = sample;
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wl_signal_add(&output->events.frame, &sample_output->frame);
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sample_output->frame.notify = output_frame_notify;
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wl_signal_add(&output->events.destroy, &sample_output->destroy);
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sample_output->destroy.notify = output_remove_notify;
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wl_list_insert(&sample->outputs, &sample_output->link);
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wlr_output_commit(output);
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}
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static void keyboard_key_notify(struct wl_listener *listener, void *data) {
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struct sample_keyboard *keyboard = wl_container_of(listener, keyboard, key);
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struct sample_state *sample = keyboard->sample;
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struct wlr_keyboard_key_event *event = data;
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uint32_t keycode = event->keycode + 8;
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const xkb_keysym_t *syms;
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int nsyms = xkb_state_key_get_syms(keyboard->wlr_keyboard->xkb_state,
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keycode, &syms);
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for (int i = 0; i < nsyms; i++) {
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xkb_keysym_t sym = syms[i];
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if (sym == XKB_KEY_Escape) {
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wl_display_terminate(sample->display);
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}
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}
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}
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static void keyboard_destroy_notify(struct wl_listener *listener, void *data) {
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struct sample_keyboard *keyboard = wl_container_of(listener, keyboard, destroy);
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wl_list_remove(&keyboard->destroy.link);
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wl_list_remove(&keyboard->key.link);
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free(keyboard);
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}
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static void new_input_notify(struct wl_listener *listener, void *data) {
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struct wlr_input_device *device = data;
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struct sample_state *sample = wl_container_of(listener, sample, new_input);
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switch (device->type) {
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case WLR_INPUT_DEVICE_KEYBOARD:;
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struct sample_keyboard *keyboard = calloc(1, sizeof(struct sample_keyboard));
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keyboard->wlr_keyboard = wlr_keyboard_from_input_device(device);
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keyboard->sample = sample;
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wl_signal_add(&device->events.destroy, &keyboard->destroy);
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keyboard->destroy.notify = keyboard_destroy_notify;
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wl_signal_add(&keyboard->wlr_keyboard->events.key, &keyboard->key);
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keyboard->key.notify = keyboard_key_notify;
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struct xkb_context *context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
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if (!context) {
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wlr_log(WLR_ERROR, "Failed to create XKB context");
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exit(1);
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}
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struct xkb_keymap *keymap = xkb_map_new_from_names(context, NULL,
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XKB_KEYMAP_COMPILE_NO_FLAGS);
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if (!keymap) {
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wlr_log(WLR_ERROR, "Failed to create XKB keymap");
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exit(1);
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}
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wlr_keyboard_set_keymap(keyboard->wlr_keyboard, keymap);
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xkb_keymap_unref(keymap);
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xkb_context_unref(context);
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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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int main(int argc, char *argv[]) {
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wlr_log_init(WLR_DEBUG, NULL);
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struct wl_display *display = wl_display_create();
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struct sample_state state = {
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.display = display,
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};
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wl_list_init(&state.outputs);
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struct wlr_backend *wlr = wlr_backend_autocreate(display, NULL);
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if (!wlr) {
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exit(1);
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}
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wl_signal_add(&wlr->events.new_output, &state.new_output);
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state.new_output.notify = new_output_notify;
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wl_signal_add(&wlr->events.new_input, &state.new_input);
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state.new_input.notify = new_input_notify;
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clock_gettime(CLOCK_MONOTONIC, &state.last_frame);
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state.renderer = wlr_renderer_autocreate(wlr);
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if (!state.renderer) {
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wlr_log(WLR_ERROR, "Could not start compositor, OOM");
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wlr_backend_destroy(wlr);
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exit(EXIT_FAILURE);
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}
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state.allocator = wlr_allocator_autocreate(wlr, state.renderer);
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if (!wlr_backend_start(wlr)) {
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wlr_log(WLR_ERROR, "Failed to start backend");
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wlr_backend_destroy(wlr);
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exit(1);
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}
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wl_display_run(display);
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wl_display_destroy(display);
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}
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