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Only copy the damaged region from GPU

shader-damage-experiments
Andri Yngvason 2020-03-28 15:05:04 +00:00
parent 1ebd9a7647
commit e7586e8753
1 changed files with 15 additions and 3 deletions
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18
src/main.c
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@ -456,8 +456,19 @@ static void on_damage_check_done(struct pixman_region16* damage, void* userdata)
{
struct wayvnc* self = userdata;
if (pixman_region_not_empty(damage))
if (pixman_region_not_empty(damage)) {
struct pixman_box16* ext = pixman_region_extents(damage);
uint32_t y = ext->y1;
uint32_t damage_height = ext->y2 - ext->y1;
uint32_t* addr = nvnc_fb_get_addr(self->current_fb);
uint32_t fb_width = nvnc_fb_get_width(self->current_fb);
renderer_read_frame(&self->renderer, addr + y * fb_width, y,
damage_height);
nvnc_feed_frame(self->nvnc, self->current_fb, damage);
}
if (wayvnc_start_capture(self) < 0) {
log_error("Failed to start capture. Exiting...\n");
@ -472,10 +483,8 @@ void wayvnc_process_frame(struct wayvnc* self)
uint32_t height = output_get_transformed_height(self->selected_output);
struct nvnc_fb* fb = nvnc_fb_new(width, height, format);
void* addr = nvnc_fb_get_addr(fb);
frame_capture_render(self->capture_backend, &self->renderer, fb);
renderer_read_frame(&self->renderer, addr, 0, height);
if (self->last_fb)
nvnc_fb_unref(self->last_fb);
@ -510,6 +519,9 @@ void wayvnc_process_frame(struct wayvnc* self)
return;
}
void* addr = nvnc_fb_get_addr(fb);
renderer_read_frame(&self->renderer, addr, 0, height);
struct pixman_region16 damage;
pixman_region_init_rect(&damage, 0, 0, width, height);
nvnc_feed_frame(self->nvnc, self->current_fb, &damage);