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examples: Modeset with a buffer

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This means that for most examples, rendering code had to be extracted
so that it could be called during modeset and during a regular refresh.
This commit is contained in:
Alexander Orzechowski 2024-08-21 11:12:22 -04:00
parent 34ec9319d0
commit 9b1bdf7475
10 changed files with 147 additions and 111 deletions
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32
examples/simple.c
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@ -39,11 +39,25 @@ struct sample_keyboard {
struct wl_listener destroy;
};
static void render(struct sample_output *output, struct wlr_output_state *state) {
struct wlr_output *wlr_output = output->output;
struct wlr_render_pass *pass = wlr_output_begin_render_pass(wlr_output, state, NULL);
wlr_render_pass_add_rect(pass, &(struct wlr_render_rect_options){
.box = { .width = wlr_output->width, .height = wlr_output->height },
.color = {
.r = output->sample->color[0],
.g = output->sample->color[1],
.b = output->sample->color[2],
.a = output->sample->color[3],
},
});
wlr_render_pass_submit(pass);
}
static void output_frame_notify(struct wl_listener *listener, void *data) {
struct sample_output *sample_output =
wl_container_of(listener, sample_output, frame);
struct sample_state *sample = sample_output->sample;
struct wlr_output *wlr_output = sample_output->output;
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
@ -63,19 +77,8 @@ static void output_frame_notify(struct wl_listener *listener, void *data) {
struct wlr_output_state state;
wlr_output_state_init(&state);
struct wlr_render_pass *pass = wlr_output_begin_render_pass(wlr_output, &state, NULL);
wlr_render_pass_add_rect(pass, &(struct wlr_render_rect_options){
.box = { .width = wlr_output->width, .height = wlr_output->height },
.color = {
.r = sample->color[0],
.g = sample->color[1],
.b = sample->color[2],
.a = sample->color[3],
},
});
wlr_render_pass_submit(pass);
wlr_output_commit_state(wlr_output, &state);
render(sample_output, &state);
wlr_output_commit_state(sample_output->output, &state);
wlr_output_state_finish(&state);
sample->last_frame = now;
}
@ -111,6 +114,7 @@ static void new_output_notify(struct wl_listener *listener, void *data) {
if (mode != NULL) {
wlr_output_state_set_mode(&state, mode);
}
render(sample_output, &state);
wlr_output_commit_state(output, &state);
wlr_output_state_finish(&state);
}