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monado/src/xrt/state_trackers/oxr/oxr_api_negotiate.c

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// Copyright 2018-2019, Collabora, Ltd.
// SPDX-License-Identifier: BSL-1.0
/*!
* @file
* @brief File for negotiating with the loader.
* @author Ryan Pavlik <ryan.pavlik@collabora.com>
* @author Jakob Bornecrantz <jakob@collabora.com>
* @ingroup oxr_api
*/
#include <stdio.h>
#include <string.h>
#include "xrt/xrt_compiler.h"
#include "util/u_debug.h"
#include "oxr_objects.h"
#include "oxr_logger.h"
#include "oxr_api_funcs.h"
#include "oxr_api_verify.h"
DEBUG_GET_ONCE_BOOL_OPTION(negotiate, "OXR_DEBUG_NEGOTIATE", false)
#define PRINT_NEGOTIATE(...) \
do { \
if (debug_get_bool_option_negotiate()) { \
fprintf(stderr, __VA_ARGS__); \
} \
} while (false)
XrResult
xrNegotiateLoaderRuntimeInterface(const XrNegotiateLoaderInfo* loaderInfo,
XrNegotiateRuntimeRequest* runtimeRequest)
{
PRINT_NEGOTIATE("xrNegotiateLoaderRuntimeInterface\n");
// Make sure that we understand the structs passed to this function.
if (loaderInfo->structType != XR_LOADER_INTERFACE_STRUCT_LOADER_INFO ||
loaderInfo->structVersion != XR_LOADER_INFO_STRUCT_VERSION ||
loaderInfo->structSize != sizeof(XrNegotiateLoaderInfo)) {
PRINT_NEGOTIATE("\tloaderInfo bad!\n");
return XR_ERROR_INITIALIZATION_FAILED;
}
// Make sure that we understand the structs passed to this function.
if (runtimeRequest->structType !=
XR_LOADER_INTERFACE_STRUCT_RUNTIME_REQUEST ||
runtimeRequest->structVersion !=
XR_CURRENT_LOADER_RUNTIME_VERSION ||
runtimeRequest->structSize != sizeof(XrNegotiateRuntimeRequest)) {
PRINT_NEGOTIATE("\truntimeRequest bad!\n");
return XR_ERROR_INITIALIZATION_FAILED;
}
// TODO: properly define what we support
uint16_t supported_major = XR_VERSION_MAJOR(XR_CURRENT_API_VERSION);
uint16_t supported_minor = XR_VERSION_MINOR(XR_CURRENT_API_VERSION);
uint16_t requested_min_major =
XR_VERSION_MAJOR(loaderInfo->minInterfaceVersion);
uint16_t requested_min_minor =
XR_VERSION_MINOR(loaderInfo->minInterfaceVersion);
uint16_t requested_max_major =
XR_VERSION_MAJOR(loaderInfo->maxInterfaceVersion);
uint16_t requested_max_minor =
XR_VERSION_MINOR(loaderInfo->maxInterfaceVersion);
if (supported_major > requested_max_major ||
supported_major < requested_min_major) {
PRINT_NEGOTIATE(
"\tXRT - OpenXR doesn't support requested version %d.%d <= "
"%d.%d <= %d.%d",
requested_min_major, requested_min_minor, supported_major,
supported_minor, requested_max_major, requested_max_minor);
return XR_ERROR_INITIALIZATION_FAILED;
}
runtimeRequest->getInstanceProcAddr = oxr_xrGetInstanceProcAddr;
runtimeRequest->runtimeInterfaceVersion =
XR_CURRENT_LOADER_RUNTIME_VERSION;
runtimeRequest->runtimeXrVersion =
XR_MAKE_VERSION(0, XR_HEADER_VERSION, 0);
PRINT_NEGOTIATE("\tall ok!\n");
return XR_SUCCESS;
}
XrResult
oxr_xrEnumerateApiLayerProperties(uint32_t propertyCapacityInput,
uint32_t* propertyCountOutput,
XrApiLayerProperties* properties)
{
struct oxr_logger log;
oxr_log_init(&log, "xrEnumerateApiLayerProperties");
/* We have no layers inbuilt. */
if (propertyCountOutput != NULL) {
*propertyCountOutput = 0;
}
return XR_SUCCESS;
}
/*!
* @brief Helper define for generating that GetInstanceProcAddr function.
*/
#define ENTRY_IF(funcName) \
if (strcmp(name, #funcName) == 0) { \
PFN_##funcName ret = &oxr_##funcName; \
function = (PFN_xrVoidFunction)(ret); \
}
/*!
* @brief Helper define for generating that GetInstanceProcAddr function.
*/
#define ENTRY_ELSE_IF(funcName) \
else if (strcmp(name, #funcName) == 0) \
{ \
PFN_##funcName ret = &oxr_##funcName; \
function = (PFN_xrVoidFunction)(ret); \
}
/*!
* Handle a non-null instance pointer.
*/
static XrResult
handle_none_null(struct oxr_logger* log,
const char* name,
PFN_xrVoidFunction* out_function)
{
PFN_xrVoidFunction function = NULL;
ENTRY_IF(xrGetInstanceProcAddr)
ENTRY_ELSE_IF(xrEnumerateApiLayerProperties)
ENTRY_ELSE_IF(xrEnumerateInstanceExtensionProperties)
ENTRY_ELSE_IF(xrCreateInstance)
ENTRY_ELSE_IF(xrDestroyInstance)
ENTRY_ELSE_IF(xrGetInstanceProperties)
ENTRY_ELSE_IF(xrPollEvent)
ENTRY_ELSE_IF(xrResultToString)
ENTRY_ELSE_IF(xrStructureTypeToString)
ENTRY_ELSE_IF(xrGetSystem)
ENTRY_ELSE_IF(xrGetSystemProperties)
ENTRY_ELSE_IF(xrEnumerateEnvironmentBlendModes)
ENTRY_ELSE_IF(xrCreateSession)
ENTRY_ELSE_IF(xrDestroySession)
ENTRY_ELSE_IF(xrEnumerateReferenceSpaces)
ENTRY_ELSE_IF(xrCreateReferenceSpace)
ENTRY_ELSE_IF(xrGetReferenceSpaceBoundsRect)
ENTRY_ELSE_IF(xrCreateActionSpace)
ENTRY_ELSE_IF(xrLocateSpace)
ENTRY_ELSE_IF(xrDestroySpace)
ENTRY_ELSE_IF(xrEnumerateViewConfigurations)
ENTRY_ELSE_IF(xrGetViewConfigurationProperties)
ENTRY_ELSE_IF(xrEnumerateViewConfigurationViews)
ENTRY_ELSE_IF(xrEnumerateSwapchainFormats)
ENTRY_ELSE_IF(xrCreateSwapchain)
ENTRY_ELSE_IF(xrDestroySwapchain)
ENTRY_ELSE_IF(xrEnumerateSwapchainImages)
ENTRY_ELSE_IF(xrAcquireSwapchainImage)
ENTRY_ELSE_IF(xrWaitSwapchainImage)
ENTRY_ELSE_IF(xrReleaseSwapchainImage)
ENTRY_ELSE_IF(xrBeginSession)
ENTRY_ELSE_IF(xrEndSession)
ENTRY_ELSE_IF(xrWaitFrame)
ENTRY_ELSE_IF(xrBeginFrame)
ENTRY_ELSE_IF(xrEndFrame)
ENTRY_ELSE_IF(xrLocateViews)
ENTRY_ELSE_IF(xrStringToPath)
ENTRY_ELSE_IF(xrPathToString)
ENTRY_ELSE_IF(xrCreateActionSet)
ENTRY_ELSE_IF(xrDestroyActionSet)
ENTRY_ELSE_IF(xrCreateAction)
ENTRY_ELSE_IF(xrDestroyAction)
ENTRY_ELSE_IF(xrSetInteractionProfileSuggestedBindings)
ENTRY_ELSE_IF(xrGetCurrentInteractionProfile)
ENTRY_ELSE_IF(xrGetActionStateBoolean)
ENTRY_ELSE_IF(xrGetActionStateVector1f)
ENTRY_ELSE_IF(xrGetActionStateVector2f)
ENTRY_ELSE_IF(xrGetActionStatePose)
ENTRY_ELSE_IF(xrSyncActionData)
ENTRY_ELSE_IF(xrGetBoundSourcesForAction)
ENTRY_ELSE_IF(xrGetInputSourceLocalizedName)
ENTRY_ELSE_IF(xrApplyHapticFeedback)
ENTRY_ELSE_IF(xrStopHapticFeedback)
#ifdef XR_KHR_visibility_mask
ENTRY_ELSE_IF(xrGetVisibilityMaskKHR)
#endif
#ifdef XR_USE_TIMESPEC
ENTRY_ELSE_IF(xrConvertTimespecTimeToTimeKHR)
ENTRY_ELSE_IF(xrConvertTimeToTimespecTimeKHR)
#endif
#ifdef XR_EXT_performance_settings
ENTRY_ELSE_IF(xrPerfSettingsSetPerformanceLevelEXT)
#endif
#ifdef XR_EXT_thermal_query
ENTRY_ELSE_IF(xrThermalGetTemperatureTrendEXT)
#endif
#ifdef XR_EXT_debug_utils
ENTRY_ELSE_IF(xrSetDebugUtilsObjectNameEXT)
ENTRY_ELSE_IF(xrCreateDebugUtilsMessengerEXT)
ENTRY_ELSE_IF(xrDestroyDebugUtilsMessengerEXT)
ENTRY_ELSE_IF(xrSubmitDebugUtilsMessageEXT)
ENTRY_ELSE_IF(xrSessionBeginDebugUtilsLabelRegionEXT)
ENTRY_ELSE_IF(xrSessionEndDebugUtilsLabelRegionEXT)
ENTRY_ELSE_IF(xrSessionInsertDebugUtilsLabelEXT)
#endif
#ifdef XR_USE_GRAPHICS_API_OPENGL
ENTRY_ELSE_IF(xrGetOpenGLGraphicsRequirementsKHR)
#endif
#ifdef XR_USE_GRAPHICS_API_VULKAN
ENTRY_ELSE_IF(xrGetVulkanInstanceExtensionsKHR)
ENTRY_ELSE_IF(xrGetVulkanDeviceExtensionsKHR)
ENTRY_ELSE_IF(xrGetVulkanGraphicsDeviceKHR)
ENTRY_ELSE_IF(xrGetVulkanGraphicsRequirementsKHR)
#endif
if (function == NULL) {
return oxr_error(log, XR_ERROR_FUNCTION_UNSUPPORTED,
"(name = \"%s\")", name);
}
*out_function = function;
return XR_SUCCESS;
}
/*!
* Special case a null instance pointer.
*/
static XrResult
handle_null(struct oxr_logger* log,
const char* name,
PFN_xrVoidFunction* out_function)
{
PFN_xrVoidFunction function = NULL;
ENTRY_IF(xrCreateInstance)
ENTRY_ELSE_IF(xrEnumerateInstanceExtensionProperties)
if (function == NULL) {
return oxr_error(log, XR_ERROR_FUNCTION_UNSUPPORTED,
"(name = \"%s\")", name);
}
*out_function = function;
return XR_SUCCESS;
}
XrResult
oxr_xrGetInstanceProcAddr(XrInstance instance,
const char* name,
PFN_xrVoidFunction* function)
{
if (instance == NULL) {
struct oxr_logger log;
oxr_log_init(&log, "xrGetInstanceProcAddr");
return handle_null(&log, name, function);
} else {
struct oxr_instance* inst;
struct oxr_logger log;
OXR_VERIFY_INSTANCE_AND_INIT_LOG(&log, instance, inst,
"xrGetInstanceProcAddr");
return handle_none_null(&log, name, function);
}
}
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