Spice up the example program a bit
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@ -32,8 +32,7 @@ struct output_state {
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struct wlr_output *output;
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struct wlr_output *output;
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struct state *state;
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struct state *state;
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struct wl_listener frame;
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struct wl_listener frame;
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float x, y;
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float x_offs, y_offs;
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float vel_x, vel_y;
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};
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};
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struct output_config {
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struct output_config {
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@ -47,12 +46,19 @@ static void output_frame(struct wl_listener *listener, void *data) {
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struct wlr_output *output = ostate->output;
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struct wlr_output *output = ostate->output;
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struct state *s = ostate->state;
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struct state *s = ostate->state;
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int32_t width, height;
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wlr_output_effective_resolution(output, &width, &height);
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wlr_renderer_begin(s->renderer, output);
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wlr_renderer_begin(s->renderer, output);
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float matrix[16];
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float matrix[16];
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for (int y = -128 + (int)ostate->y_offs; y < height; y += 128) {
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for (int x = -128 + (int)ostate->x_offs; x < width; x += 128) {
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wlr_surface_get_matrix(s->cat_texture, &matrix,
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wlr_surface_get_matrix(s->cat_texture, &matrix,
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&output->transform_matrix, ostate->x, ostate->y);
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&output->transform_matrix, x, y);
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wlr_render_with_matrix(s->renderer, s->cat_texture, &matrix);
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wlr_render_with_matrix(s->renderer, s->cat_texture, &matrix);
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}
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}
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wlr_renderer_end(s->renderer);
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wlr_renderer_end(s->renderer);
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@ -62,18 +68,10 @@ static void output_frame(struct wl_listener *listener, void *data) {
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(now.tv_nsec - ostate->last_frame.tv_nsec) / 1000000;
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(now.tv_nsec - ostate->last_frame.tv_nsec) / 1000000;
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float seconds = ms / 1000.0f;
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float seconds = ms / 1000.0f;
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int32_t width, height;
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ostate->x_offs += 128 * seconds;
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wlr_output_effective_resolution(output, &width, &height);
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ostate->y_offs += 128 * seconds;
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ostate->x += ostate->vel_x * seconds;
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if (ostate->x_offs > 128) ostate->x_offs = 0;
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ostate->y += ostate->vel_y * seconds;
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if (ostate->y_offs > 128) ostate->y_offs = 0;
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if (ostate->y > height - 128) {
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ostate->vel_y = -ostate->vel_y;
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} else {
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ostate->vel_y += 50 * seconds;
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}
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if (ostate->x > width - 128 || ostate->x < 0) {
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ostate->vel_x = -ostate->vel_x;
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}
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ostate->last_frame = now;
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ostate->last_frame = now;
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}
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}
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@ -90,9 +88,7 @@ static void output_add(struct wl_listener *listener, void *data) {
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ostate->output = output;
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ostate->output = output;
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ostate->state = state;
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ostate->state = state;
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ostate->frame.notify = output_frame;
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ostate->frame.notify = output_frame;
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ostate->x = ostate->y = 0;
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ostate->x_offs = ostate->y_offs = 0;
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ostate->vel_x = 100;
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ostate->vel_y = 0;
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struct output_config *conf;
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struct output_config *conf;
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wl_list_for_each(conf, &state->config, link) {
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wl_list_for_each(conf, &state->config, link) {
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