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st/oxr: Verify that the compositor created can actually do the layer types claimed.

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This commit is contained in:
Ryan Pavlik 2020-08-26 11:45:35 -05:00
parent 4894aaa8db
commit 2ac0013e25
1 changed files with 34 additions and 0 deletions
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34
src/xrt/state_trackers/oxr/oxr_instance.c
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@ -15,6 +15,7 @@
#include "xrt/xrt_instance.h"
#include "xrt/xrt_config_os.h"
#include "xrt/xrt_config_build.h"
#ifdef XRT_OS_ANDROID
@ -349,6 +350,39 @@ oxr_instance_create(struct oxr_logger *log,
oxr_instance_destroy(log, &inst->handle);
return ret;
}
// Make sure that the compositor we were given can do all the
// things the build config promised.
#define CHECK_LAYER_TYPE(NAME, MEMBER_NAME) \
do { \
if (sys->xcn->base.MEMBER_NAME == NULL) { \
ret = oxr_error(log, XR_ERROR_INITIALIZATION_FAILED, \
"Logic error: build config " \
"advertised support for " NAME \
" but compositor does not " \
"implement " #MEMBER_NAME); \
oxr_instance_destroy(log, &inst->handle); \
assert(false && \
"Build configured with unsupported layers"); \
return ret; \
} \
} while (0)
// Keep this list in sync with types in xrt_config_build.h
#ifdef XRT_FEATURE_OPENXR_LAYER_CUBE
CHECK_LAYER_TYPE("cube layers", layer_cube);
#endif
#ifdef XRT_FEATURE_OPENXR_LAYER_CYLINDER
CHECK_LAYER_TYPE("cylinder layers", layer_cylinder);
#endif
#ifdef XRT_FEATURE_OPENXR_LAYER_DEPTH
CHECK_LAYER_TYPE("projection layers with depth images",
layer_stereo_projection_depth);
#endif
#ifdef XRT_FEATURE_OPENXR_LAYER_EQUIRECT
CHECK_LAYER_TYPE("equirect layers", layer_equirect);
#endif
#undef CHECK_LAYER_TYPE
}
ret = oxr_system_fill_in(log, inst, 1, &inst->system);