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backend/drm: Store viewport with framebuffer

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Accessing the output state viewport require a buffer, and that might not
have a state with a buffer when preparing the plane properties for an
atomic commit.

Instead, store the properties at the same time as the fb, and use a
similar mechanism to carry the state around.
This commit is contained in:
Kenny Levinsen 2024-10-28 17:53:12 +01:00 committed by Alexander Orzechowski
parent 1520be3c5c
commit 3df1528a8f
3 changed files with 17 additions and 8 deletions
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8
backend/drm/atomic.c
View File

@ -439,15 +439,9 @@ static void atomic_connector_add(struct atomic *atom,
if (crtc->props.vrr_enabled != 0) {
atomic_add(atom, crtc->id, crtc->props.vrr_enabled, state->vrr_enabled);
}
if (state->base->committed & WLR_OUTPUT_STATE_BUFFER) {
struct wlr_fbox src_box;
struct wlr_box dst_box;
output_state_get_buffer_src_box(state->base, &src_box);
output_state_get_buffer_dst_box(state->base, &dst_box);
set_plane_props(atom, drm, crtc->primary, state->primary_fb, crtc->id,
&dst_box, &src_box);
}
&state->primary_viewport.dst_box, &state->primary_viewport.src_box);
if (crtc->primary->props.fb_damage_clips != 0) {
atomic_add(atom, crtc->primary->id,
crtc->primary->props.fb_damage_clips, state->fb_damage_clips);

7
backend/drm/drm.c
View File

@ -557,6 +557,7 @@ static void drm_connector_apply_commit(const struct wlr_drm_connector_state *sta
struct wlr_drm_crtc *crtc = conn->crtc;
drm_fb_copy(&crtc->primary->queued_fb, state->primary_fb);
crtc->primary->queued_viewport = state->primary_viewport;
if (crtc->cursor != NULL) {
drm_fb_copy(&crtc->cursor->queued_fb, state->cursor_fb);
}
@ -673,8 +674,10 @@ static void drm_connector_state_init(struct wlr_drm_connector_state *state,
struct wlr_drm_plane *primary = conn->crtc->primary;
if (primary->queued_fb != NULL) {
state->primary_fb = drm_fb_lock(primary->queued_fb);
state->primary_viewport = primary->queued_viewport;
} else if (primary->current_fb != NULL) {
state->primary_fb = drm_fb_lock(primary->current_fb);
state->primary_viewport = primary->current_viewport;
}
if (conn->cursor_enabled) {
@ -761,6 +764,9 @@ static bool drm_connector_state_update_primary_fb(struct wlr_drm_connector *conn
return false;
}
output_state_get_buffer_src_box(state->base, &state->primary_viewport.src_box);
output_state_get_buffer_dst_box(state->base, &state->primary_viewport.dst_box);
return true;
}
@ -2058,6 +2064,7 @@ static void handle_page_flip(int fd, unsigned seq,
struct wlr_drm_plane *plane = conn->crtc->primary;
if (plane->queued_fb) {
drm_fb_move(&plane->current_fb, &plane->queued_fb);
plane->current_viewport = plane->queued_viewport;
}
if (conn->crtc->cursor && conn->crtc->cursor->queued_fb) {
drm_fb_move(&conn->crtc->cursor->current_fb,

8
include/backend/drm/drm.h
View File

@ -15,6 +15,11 @@
#include "backend/drm/properties.h"
#include "backend/drm/renderer.h"
struct wlr_drm_viewport {
struct wlr_fbox src_box;
struct wlr_box dst_box;
};
struct wlr_drm_plane {
uint32_t type;
uint32_t id;
@ -24,8 +29,10 @@ struct wlr_drm_plane {
/* Buffer submitted to the kernel, will be presented on next vblank */
struct wlr_drm_fb *queued_fb;
struct wlr_drm_viewport queued_viewport;
/* Buffer currently displayed on screen */
struct wlr_drm_fb *current_fb;
struct wlr_drm_viewport current_viewport;
struct wlr_drm_format_set formats;
@ -139,6 +146,7 @@ struct wlr_drm_connector_state {
bool active;
drmModeModeInfo mode;
struct wlr_drm_fb *primary_fb;
struct wlr_drm_viewport primary_viewport;
struct wlr_drm_fb *cursor_fb;
struct wlr_drm_syncobj_timeline *wait_timeline;