The open source OpenXR runtime
st/oxr: Verify frameEndInfo->layerCount
Part-of: <https://gitlab.freedesktop.org/monado/monado/-/merge_requests/2262>
+15
+15
src/xrt/state_trackers/oxr/oxr_api_session.c
+15
src/xrt/state_trackers/oxr/oxr_api_session.c
···
176
176
OXR_VERIFY_SESSION_RUNNING(&log, sess);
177
177
OXR_VERIFY_ARG_TYPE_AND_NOT_NULL(&log, frameEndInfo, XR_TYPE_FRAME_END_INFO);
178
178
179
+
// Get from compositor.
180
+
struct xrt_system_compositor_info *info = sess->sys->xsysc ? &sess->sys->xsysc->info : NULL;
181
+
182
+
// headless extension does not modify the 16 layer minimum.
183
+
uint32_t max_layers = 16;
184
+
if (info) {
185
+
max_layers = info->max_layers;
186
+
}
187
+
188
+
if (frameEndInfo->layerCount > max_layers) {
189
+
return oxr_error(&log, XR_ERROR_LAYER_LIMIT_EXCEEDED, "(layerCount == %u) exceeds limit %u",
190
+
frameEndInfo->layerCount, max_layers);
191
+
}
192
+
193
+
179
194
#ifdef XRT_FEATURE_RENDERDOC
180
195
if (sess->sys->inst->rdoc_api) {
181
196
#ifndef XR_USE_PLATFORM_ANDROID