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#define _POSIX_C_SOURCE 199309L
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <inttypes.h>
#include <wayland-server.h>
#include <wlr/backend.h>
#include <wlr/backend/session.h>
#include <wlr/render.h>
#include <wlr/render/matrix.h>
#include <wlr/render/gles2.h>
#include <wlr/types/wlr_output.h>
#include <wlr/types/wlr_surface.h>
#include <wlr/types/wlr_wl_shell.h>
#include <wlr/types/wlr_xdg_shell_v6.h>
#include <xkbcommon/xkbcommon.h>
#include <wlr/util/log.h>
#include "shared.h"
#include "compositor.h"
struct sample_state {
struct wlr_renderer *renderer;
struct wl_compositor_state compositor;
struct wlr_wl_shell wl_shell;
struct wlr_xdg_shell_v6 *xdg_shell;
};
/*
* Convert timespec to milliseconds
*/
static inline int64_t timespec_to_msec(const struct timespec *a) {
return (int64_t)a->tv_sec * 1000 + a->tv_nsec / 1000000;
}
void output_frame_handle_surface(struct sample_state *sample,
struct wlr_output *wlr_output, struct timespec *ts,
struct wl_resource *_res) {
struct wlr_surface *surface = wl_resource_get_user_data(_res);
float matrix[16];
float transform[16];
wlr_surface_flush_damage(surface);
if (surface->texture->valid) {
wlr_matrix_translate(&transform, 200, 200, 0);
wlr_surface_get_matrix(surface, &matrix,
&wlr_output->transform_matrix, &transform);
wlr_render_with_matrix(sample->renderer, surface->texture, &matrix);
struct wlr_frame_callback *cb, *cnext;
wl_list_for_each_safe(cb, cnext, &surface->frame_callback_list, link) {
wl_callback_send_done(cb->resource, timespec_to_msec(ts));
wl_resource_destroy(cb->resource);
}
}
}
void handle_output_frame(struct output_state *output, struct timespec *ts) {
struct compositor_state *state = output->compositor;
struct sample_state *sample = state->data;
struct wlr_output *wlr_output = output->output;
wlr_output_make_current(wlr_output);
wlr_renderer_begin(sample->renderer, wlr_output);
struct wlr_wl_shell_surface *wl_shell_surface;
wl_list_for_each(wl_shell_surface, &sample->wl_shell.surfaces, link) {
output_frame_handle_surface(sample, wlr_output, ts, wl_shell_surface->surface);
}
struct wlr_xdg_surface_v6 *xdg_surface;
wl_list_for_each(xdg_surface, &sample->xdg_shell->surfaces, link) {
output_frame_handle_surface(sample, wlr_output, ts, xdg_surface->surface);
}
wlr_renderer_end(sample->renderer);
wlr_output_swap_buffers(wlr_output);
}
int main() {
struct sample_state state = { 0 };
struct compositor_state compositor = { 0,
.data = &state,
.output_frame_cb = handle_output_frame,
};
compositor_init(&compositor);
state.renderer = wlr_gles2_renderer_init(compositor.backend);
wl_display_init_shm(compositor.display);
wl_compositor_init(compositor.display, &state.compositor, state.renderer);
wlr_wl_shell_init(&state.wl_shell, compositor.display);
state.xdg_shell = wlr_xdg_shell_v6_init(compositor.display);
compositor_run(&compositor);
}
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