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authorSimon Ser <contact@emersion.fr>2020-12-22 18:23:28 +0100
committerSimon Ser <contact@emersion.fr>2021-01-10 11:24:35 +0100
commit91cb0fc4432592a8c0806d3e63dc77ce16c73cb6 (patch)
treea2261095c9dbcf92a4d50fab32bce55f81325cd6 /backend
parent5bd86b94f9a6f3b41d1bc4bbf2985632fdd6d0a7 (diff)
backend/drm: only keep track of local buffer
Stop keeping track of buffers on the parent GPU when multi-GPU is used. This removes support for export_dmabuf on secondary GPUs, but renderer v6 will bring this back by managing the swapchains in wlr_output instead of the backends.
Diffstat (limited to 'backend')
-rw-r--r--backend/drm/drm.c6
-rw-r--r--backend/drm/renderer.c10
2 files changed, 8 insertions, 8 deletions
diff --git a/backend/drm/drm.c b/backend/drm/drm.c
index 3340d424..6b6e49a6 100644
--- a/backend/drm/drm.c
+++ b/backend/drm/drm.c
@@ -630,10 +630,14 @@ static bool drm_connector_export_dmabuf(struct wlr_output *output,
struct wlr_drm_backend *drm = conn->backend;
struct wlr_drm_crtc *crtc = conn->crtc;
+ if (drm->parent) {
+ // We don't keep track of the original buffer on the parent GPU when
+ // using multi-GPU.
+ return false;
+ }
if (!drm->session->active) {
return false;
}
-
if (!crtc) {
return false;
}
diff --git a/backend/drm/renderer.c b/backend/drm/renderer.c
index 2188ebf8..10280660 100644
--- a/backend/drm/renderer.c
+++ b/backend/drm/renderer.c
@@ -304,7 +304,6 @@ void drm_fb_clear(struct wlr_drm_fb **fb_ptr) {
}
gbm_bo_destroy(fb->bo);
- wlr_buffer_unlock(fb->local_wlr_buf);
wlr_buffer_unlock(fb->wlr_buf);
free(fb);
@@ -364,18 +363,16 @@ static struct gbm_bo *get_bo_for_dmabuf(struct gbm_device *gbm,
}
static struct wlr_drm_fb *drm_fb_create(struct wlr_drm_backend *drm,
- struct wlr_buffer *buf, struct wlr_buffer *local_buf,
- const struct wlr_drm_format_set *formats) {
+ struct wlr_buffer *buf, const struct wlr_drm_format_set *formats) {
struct wlr_drm_fb *fb = calloc(1, sizeof(*fb));
if (!fb) {
return NULL;
}
fb->wlr_buf = wlr_buffer_lock(buf);
- fb->local_wlr_buf = wlr_buffer_lock(local_buf);
struct wlr_dmabuf_attributes attribs;
- if (!wlr_buffer_get_dmabuf(local_buf, &attribs)) {
+ if (!wlr_buffer_get_dmabuf(buf, &attribs)) {
wlr_log(WLR_ERROR, "Failed to get DMA-BUF from buffer");
goto error_get_dmabuf;
}
@@ -411,7 +408,6 @@ static struct wlr_drm_fb *drm_fb_create(struct wlr_drm_backend *drm,
error_get_fb_for_bo:
gbm_bo_destroy(fb->bo);
error_get_dmabuf:
- wlr_buffer_unlock(fb->local_wlr_buf);
wlr_buffer_unlock(fb->wlr_buf);
free(fb);
return NULL;
@@ -432,7 +428,7 @@ bool drm_fb_import(struct wlr_drm_fb **fb_ptr, struct wlr_drm_backend *drm,
local_buf = wlr_buffer_lock(buf);
}
- struct wlr_drm_fb *fb = drm_fb_create(drm, buf, local_buf, formats);
+ struct wlr_drm_fb *fb = drm_fb_create(drm, local_buf, formats);
wlr_buffer_unlock(local_buf);
if (!fb) {
return false;