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