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Diffstat (limited to 'backend')
-rw-r--r--backend/drm/drm.c121
-rw-r--r--backend/wayland/output.c55
2 files changed, 93 insertions, 83 deletions
diff --git a/backend/drm/drm.c b/backend/drm/drm.c
index 53d49d17..47423dcb 100644
--- a/backend/drm/drm.c
+++ b/backend/drm/drm.c
@@ -334,7 +334,67 @@ static bool drm_connector_attach_render(struct wlr_output *output,
return make_drm_surface_current(&conn->crtc->primary->surf, buffer_age);
}
+static uint32_t strip_alpha_channel(uint32_t format) {
+ switch (format) {
+ case DRM_FORMAT_ARGB8888:
+ return DRM_FORMAT_XRGB8888;
+ default:
+ return DRM_FORMAT_INVALID;
+ }
+}
+
+static bool test_buffer(struct wlr_drm_connector *conn,
+ struct wlr_buffer *wlr_buffer) {
+ struct wlr_output *output = &conn->output;
+ struct wlr_drm_backend *drm = get_drm_backend_from_backend(output->backend);
+
+ if (!drm->session->active) {
+ return false;
+ }
+
+ struct wlr_drm_crtc *crtc = conn->crtc;
+ if (!crtc) {
+ return false;
+ }
+
+ struct wlr_dmabuf_attributes attribs;
+ if (!wlr_buffer_get_dmabuf(wlr_buffer, &attribs)) {
+ return false;
+ }
+
+ if (attribs.flags != 0) {
+ return false;
+ }
+ if (attribs.width != output->width || attribs.height != output->height) {
+ return false;
+ }
+
+ if (!wlr_drm_format_set_has(&crtc->primary->formats,
+ attribs.format, attribs.modifier)) {
+ // The format isn't supported by the plane. Try stripping the alpha
+ // channel, if any.
+ uint32_t format = strip_alpha_channel(attribs.format);
+ if (format != DRM_FORMAT_INVALID && wlr_drm_format_set_has(
+ &crtc->primary->formats, format, attribs.modifier)) {
+ attribs.format = format;
+ } else {
+ return false;
+ }
+ }
+
+ return true;
+}
+
static bool drm_connector_test(struct wlr_output *output) {
+ struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
+
+ if ((output->pending.committed & WLR_OUTPUT_STATE_BUFFER) &&
+ output->pending.buffer_type == WLR_OUTPUT_STATE_BUFFER_SCANOUT) {
+ if (!test_buffer(conn, output->pending.buffer)) {
+ return false;
+ }
+ }
+
return true;
}
@@ -377,8 +437,13 @@ static bool drm_connector_commit_buffer(struct wlr_output *output) {
return false;
}
break;
- case WLR_OUTPUT_STATE_BUFFER_SCANOUT:
- bo = import_gbm_bo(&drm->renderer, &conn->pending_dmabuf);
+ case WLR_OUTPUT_STATE_BUFFER_SCANOUT:;
+ struct wlr_dmabuf_attributes attribs;
+ if (!wlr_buffer_get_dmabuf(output->pending.buffer, &attribs)) {
+ return false;
+ }
+
+ bo = import_gbm_bo(&drm->renderer, &attribs);
if (bo == NULL) {
wlr_log(WLR_ERROR, "import_gbm_bo failed");
return false;
@@ -1011,57 +1076,6 @@ static bool drm_connector_move_cursor(struct wlr_output *output,
return ok;
}
-static uint32_t strip_alpha_channel(uint32_t format) {
- switch (format) {
- case DRM_FORMAT_ARGB8888:
- return DRM_FORMAT_XRGB8888;
- default:
- return DRM_FORMAT_INVALID;
- }
-}
-
-static bool drm_connector_attach_buffer(struct wlr_output *output,
- struct wlr_buffer *buffer) {
- struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
- struct wlr_drm_backend *drm = get_drm_backend_from_backend(output->backend);
- if (!drm->session->active) {
- return false;
- }
-
- struct wlr_drm_crtc *crtc = conn->crtc;
- if (!crtc) {
- return false;
- }
-
- struct wlr_dmabuf_attributes attribs;
- if (!wlr_buffer_get_dmabuf(buffer, &attribs)) {
- return false;
- }
-
- if (attribs.flags != 0) {
- return false;
- }
- if (attribs.width != output->width || attribs.height != output->height) {
- return false;
- }
-
- if (!wlr_drm_format_set_has(&crtc->primary->formats,
- attribs.format, attribs.modifier)) {
- // The format isn't supported by the plane. Try stripping the alpha
- // channel, if any.
- uint32_t format = strip_alpha_channel(attribs.format);
- if (format != DRM_FORMAT_INVALID && wlr_drm_format_set_has(
- &crtc->primary->formats, format, attribs.modifier)) {
- attribs.format = format;
- } else {
- return false;
- }
- }
-
- memcpy(&conn->pending_dmabuf, &attribs, sizeof(attribs));
- return true;
-}
-
static void drm_connector_destroy(struct wlr_output *output) {
struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
drm_connector_cleanup(conn);
@@ -1081,7 +1095,6 @@ static const struct wlr_output_impl output_impl = {
.set_gamma = set_drm_connector_gamma,
.get_gamma_size = drm_connector_get_gamma_size,
.export_dmabuf = drm_connector_export_dmabuf,
- .attach_buffer = drm_connector_attach_buffer,
};
bool wlr_output_is_drm(struct wlr_output *output) {
diff --git a/backend/wayland/output.c b/backend/wayland/output.c
index 1a1835e1..59804dcf 100644
--- a/backend/wayland/output.c
+++ b/backend/wayland/output.c
@@ -127,20 +127,35 @@ static const struct wl_buffer_listener buffer_listener = {
.release = buffer_handle_release,
};
-static struct wlr_wl_buffer *create_wl_buffer(struct wlr_wl_backend *wl,
+static bool test_buffer(struct wlr_wl_backend *wl,
struct wlr_buffer *wlr_buffer,
int required_width, int required_height) {
struct wlr_dmabuf_attributes attribs;
if (!wlr_buffer_get_dmabuf(wlr_buffer, &attribs)) {
- return NULL;
+ return false;
}
if (attribs.width != required_width || attribs.height != required_height) {
- return NULL;
+ return false;
}
if (!wlr_drm_format_set_has(&wl->linux_dmabuf_v1_formats,
attribs.format, attribs.modifier)) {
+ return false;
+ }
+
+ return true;
+}
+
+static struct wlr_wl_buffer *create_wl_buffer(struct wlr_wl_backend *wl,
+ struct wlr_buffer *wlr_buffer,
+ int required_width, int required_height) {
+ if (!test_buffer(wl, wlr_buffer, required_width, required_height)) {
+ return NULL;
+ }
+
+ struct wlr_dmabuf_attributes attribs;
+ if (!wlr_buffer_get_dmabuf(wlr_buffer, &attribs)) {
return NULL;
}
@@ -180,23 +195,6 @@ static struct wlr_wl_buffer *create_wl_buffer(struct wlr_wl_backend *wl,
return buffer;
}
-static bool output_attach_buffer(struct wlr_output *wlr_output,
- struct wlr_buffer *wlr_buffer) {
- struct wlr_wl_output *output =
- get_wl_output_from_output(wlr_output);
- struct wlr_wl_backend *wl = output->backend;
-
- struct wlr_wl_buffer *buffer = create_wl_buffer(wl, wlr_buffer,
- wlr_output->width, wlr_output->height);
- if (buffer == NULL) {
- return false;
- }
-
- destroy_wl_buffer(output->pending_buffer);
- output->pending_buffer = buffer;
- return true;
-}
-
static bool output_test(struct wlr_output *wlr_output) {
if (wlr_output->pending.committed & WLR_OUTPUT_STATE_ENABLED) {
wlr_log(WLR_DEBUG, "Cannot disable a Wayland output");
@@ -254,10 +252,14 @@ static bool output_commit(struct wlr_output *wlr_output) {
return false;
}
break;
- case WLR_OUTPUT_STATE_BUFFER_SCANOUT:
- assert(output->pending_buffer != NULL);
- wl_surface_attach(output->surface,
- output->pending_buffer->wl_buffer, 0, 0);
+ case WLR_OUTPUT_STATE_BUFFER_SCANOUT:;
+ struct wlr_wl_buffer *buffer = create_wl_buffer(output->backend,
+ wlr_output->pending.buffer, wlr_output->width, wlr_output->height);
+ if (buffer == NULL) {
+ return false;
+ }
+
+ wl_surface_attach(output->surface, buffer->wl_buffer, 0, 0);
if (damage == NULL) {
wl_surface_damage_buffer(output->surface,
@@ -273,8 +275,6 @@ static bool output_commit(struct wlr_output *wlr_output) {
}
}
wl_surface_commit(output->surface);
-
- output->pending_buffer = NULL;
break;
}
@@ -400,8 +400,6 @@ static void output_destroy(struct wlr_output *wlr_output) {
presentation_feedback_destroy(feedback);
}
- destroy_wl_buffer(output->pending_buffer);
-
wlr_egl_destroy_surface(&output->backend->egl, output->egl_surface);
wl_egl_window_destroy(output->egl_window);
if (output->zxdg_toplevel_decoration_v1) {
@@ -429,7 +427,6 @@ static bool output_move_cursor(struct wlr_output *_output, int x, int y) {
static const struct wlr_output_impl output_impl = {
.destroy = output_destroy,
.attach_render = output_attach_render,
- .attach_buffer = output_attach_buffer,
.test = output_test,
.commit = output_commit,
.set_cursor = output_set_cursor,
generated by cgit v1.2.3 (git 2.39.1) at 2025-10-31 16:56:01 +0000