The open source OpenXR runtime
st/oxr: Verify that the compositor created can actually do the layer types claimed.
+34
+34
src/xrt/state_trackers/oxr/oxr_instance.c
+34
src/xrt/state_trackers/oxr/oxr_instance.c
···
15
15
16
16
#include "xrt/xrt_instance.h"
17
17
#include "xrt/xrt_config_os.h"
18
+
#include "xrt/xrt_config_build.h"
18
19
19
20
20
21
#ifdef XRT_OS_ANDROID
···
349
350
oxr_instance_destroy(log, &inst->handle);
350
351
return ret;
351
352
}
353
+
354
+
// Make sure that the compositor we were given can do all the
355
+
// things the build config promised.
356
+
#define CHECK_LAYER_TYPE(NAME, MEMBER_NAME) \
357
+
do { \
358
+
if (sys->xcn->base.MEMBER_NAME == NULL) { \
359
+
ret = oxr_error(log, XR_ERROR_INITIALIZATION_FAILED, \
360
+
"Logic error: build config " \
361
+
"advertised support for " NAME \
362
+
" but compositor does not " \
363
+
"implement " #MEMBER_NAME); \
364
+
oxr_instance_destroy(log, &inst->handle); \
365
+
assert(false && \
366
+
"Build configured with unsupported layers"); \
367
+
return ret; \
368
+
} \
369
+
} while (0)
370
+
371
+
// Keep this list in sync with types in xrt_config_build.h
372
+
#ifdef XRT_FEATURE_OPENXR_LAYER_CUBE
373
+
CHECK_LAYER_TYPE("cube layers", layer_cube);
374
+
#endif
375
+
#ifdef XRT_FEATURE_OPENXR_LAYER_CYLINDER
376
+
CHECK_LAYER_TYPE("cylinder layers", layer_cylinder);
377
+
#endif
378
+
#ifdef XRT_FEATURE_OPENXR_LAYER_DEPTH
379
+
CHECK_LAYER_TYPE("projection layers with depth images",
380
+
layer_stereo_projection_depth);
381
+
#endif
382
+
#ifdef XRT_FEATURE_OPENXR_LAYER_EQUIRECT
383
+
CHECK_LAYER_TYPE("equirect layers", layer_equirect);
384
+
#endif
385
+
#undef CHECK_LAYER_TYPE
352
386
}
353
387
354
388
ret = oxr_system_fill_in(log, inst, 1, &inst->system);