mirrors/wlroots
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/wlroots/wlroots.git synced 2026-04-14 08:22:25 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

examples: Modeset with a buffer

Browse source 
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
Download patch file Download diff file Expand all files Collapse all files

51
examples/rotation.c
View file

@ -47,27 +47,25 @@ struct sample_keyboard {
struct wl_listener destroy;
};
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;
static void render (struct sample_output *output, struct wlr_output_state *state) {
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
int32_t width, height;
wlr_output_effective_resolution(wlr_output, NULL, &width, &height);
struct wlr_output_state output_state;
wlr_output_state_init(&output_state);
struct wlr_render_pass *pass = wlr_output_begin_render_pass(wlr_output, &output_state, NULL);
struct sample_state *sample = output->sample;
struct wlr_output *wlr_output = output->output;
struct wlr_render_pass *pass = wlr_output_begin_render_pass(wlr_output, state, NULL);
int32_t width, height;
wlr_output_effective_resolution(wlr_output, state, &width, &height);
wlr_render_pass_add_rect(pass, &(struct wlr_render_rect_options){
.box = { .width = wlr_output->width, .height = wlr_output->height },
.color = { 0.25, 0.25, 0.25, 1 },
});
for (int y = -128 + (int)sample_output->y_offs; y < height; y += 128) {
for (int x = -128 + (int)sample_output->x_offs; x < width; x += 128) {
for (int y = -128 + (int)output->y_offs; y < height; y += 128) {
for (int x = -128 + (int)output->x_offs; x < width; x += 128) {
wlr_render_pass_add_texture(pass, &(struct wlr_render_texture_options){
.texture = sample->cat_texture,
.dst_box = { .x = x, .y = y },
@ -77,24 +75,32 @@ static void output_frame_notify(struct wl_listener *listener, void *data) {
}
wlr_render_pass_submit(pass);
wlr_output_commit_state(wlr_output, &output_state);
wlr_output_state_finish(&output_state);
long ms = (now.tv_sec - sample->last_frame.tv_sec) * 1000 +
(now.tv_nsec - sample->last_frame.tv_nsec) / 1000000;
float seconds = ms / 1000.0f;
output->x_offs += output->x_vel * seconds;
output->y_offs += output->y_vel * seconds;
if (output->x_offs > 128) {
output->x_offs = 0;
}
if (output->y_offs > 128) {
output->y_offs = 0;
}
sample_output->x_offs += sample_output->x_vel * seconds;
sample_output->y_offs += sample_output->y_vel * seconds;
if (sample_output->x_offs > 128) {
sample_output->x_offs = 0;
}
if (sample_output->y_offs > 128) {
sample_output->y_offs = 0;
}
sample->last_frame = now;
}
static void output_frame_notify(struct wl_listener *listener, void *data) {
struct sample_output *sample_output = wl_container_of(listener, sample_output, frame);
struct wlr_output_state output_state;
wlr_output_state_init(&output_state);
render(sample_output, &output_state);
wlr_output_commit_state(sample_output->output, &output_state);
wlr_output_state_finish(&output_state);
}
static void update_velocities(struct sample_state *sample,
float x_diff, float y_diff) {
struct sample_output *sample_output;
@ -137,6 +143,7 @@ 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);
}