114 lines
3.2 KiB
C
114 lines
3.2 KiB
C
#define _POSIX_C_SOURCE 199309L
|
|
#define _XOPEN_SOURCE 500
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <time.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <stdint.h>
|
|
#include <math.h>
|
|
#include <wayland-server.h>
|
|
#include <wayland-server-protocol.h>
|
|
#include <xkbcommon/xkbcommon.h>
|
|
#include <GLES2/gl2.h>
|
|
#include <wlr/render/matrix.h>
|
|
#include <wlr/render/gles2.h>
|
|
#include <wlr/render.h>
|
|
#include <wlr/backend.h>
|
|
#include <wlr/session.h>
|
|
#include <wlr/util/list.h>
|
|
#include "shared.h"
|
|
#include "cat.h"
|
|
|
|
struct sample_state {
|
|
struct wlr_renderer *renderer;
|
|
struct wlr_surface *cat_texture;
|
|
list_t *touch_points;
|
|
};
|
|
|
|
struct touch_point {
|
|
int32_t slot;
|
|
double x, y;
|
|
};
|
|
|
|
static 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;
|
|
|
|
int32_t width, height;
|
|
wlr_output_effective_resolution(wlr_output, &width, &height);
|
|
wlr_renderer_begin(sample->renderer, wlr_output);
|
|
|
|
float matrix[16];
|
|
for (size_t i = 0; i < sample->touch_points->length; ++i) {
|
|
struct touch_point *p = sample->touch_points->items[i];
|
|
wlr_surface_get_matrix(sample->cat_texture, &matrix,
|
|
&wlr_output->transform_matrix,
|
|
(int)(p->x * width) - sample->cat_texture->width / 2,
|
|
(int)(p->y * height) - sample->cat_texture->height / 2);
|
|
wlr_render_with_matrix(sample->renderer,
|
|
sample->cat_texture, &matrix);
|
|
}
|
|
|
|
wlr_renderer_end(sample->renderer);
|
|
}
|
|
|
|
static void handle_touch_down(struct touch_state *tstate, int32_t slot,
|
|
double x, double y, double width, double height) {
|
|
struct sample_state *sample = tstate->compositor->data;
|
|
struct touch_point *point = calloc(1, sizeof(struct touch_state));
|
|
point->slot = slot;
|
|
point->x = x / width;
|
|
point->y = y / height;
|
|
list_add(sample->touch_points, point);
|
|
}
|
|
|
|
static void handle_touch_up(struct touch_state *tstate, int32_t slot) {
|
|
struct sample_state *sample = tstate->compositor->data;
|
|
for (size_t i = 0; i < sample->touch_points->length; ++i) {
|
|
struct touch_point *point = sample->touch_points->items[i];
|
|
if (point->slot == slot) {
|
|
list_del(sample->touch_points, i);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void handle_touch_motion(struct touch_state *tstate, int32_t slot,
|
|
double x, double y, double width, double height) {
|
|
struct sample_state *sample = tstate->compositor->data;
|
|
for (size_t i = 0; i < sample->touch_points->length; ++i) {
|
|
struct touch_point *point = sample->touch_points->items[i];
|
|
if (point->slot == slot) {
|
|
point->x = x / width;
|
|
point->y = y / height;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
int main(int argc, char *argv[]) {
|
|
struct sample_state state = {
|
|
.touch_points = list_create()
|
|
};
|
|
struct compositor_state compositor = { 0,
|
|
.data = &state,
|
|
.output_frame_cb = handle_output_frame,
|
|
.touch_down_cb = handle_touch_down,
|
|
.touch_up_cb = handle_touch_up,
|
|
.touch_motion_cb = handle_touch_motion,
|
|
};
|
|
compositor_init(&compositor);
|
|
|
|
state.renderer = wlr_gles2_renderer_init();
|
|
state.cat_texture = wlr_render_surface_init(state.renderer);
|
|
wlr_surface_attach_pixels(state.cat_texture, GL_RGBA,
|
|
cat_tex.width, cat_tex.height, cat_tex.pixel_data);
|
|
|
|
compositor_run(&compositor);
|
|
|
|
wlr_surface_destroy(state.cat_texture);
|
|
wlr_renderer_destroy(state.renderer);
|
|
}
|