diff options
Diffstat (limited to 'modules/openxr/openxr_api.cpp')
| -rw-r--r-- | modules/openxr/openxr_api.cpp | 64 |
1 files changed, 61 insertions, 3 deletions
diff --git a/modules/openxr/openxr_api.cpp b/modules/openxr/openxr_api.cpp index 6b8f140923..ddb3114b59 100644 --- a/modules/openxr/openxr_api.cpp +++ b/modules/openxr/openxr_api.cpp @@ -483,6 +483,37 @@ bool OpenXRAPI::load_supported_view_configuration_types() { return true; } +bool OpenXRAPI::load_supported_environmental_blend_modes() { + // This queries the supported environmental blend modes. + + ERR_FAIL_COND_V(instance == XR_NULL_HANDLE, false); + + if (supported_environment_blend_modes != nullptr) { + // free previous results + memfree(supported_environment_blend_modes); + supported_environment_blend_modes = nullptr; + num_supported_environment_blend_modes = 0; + } + + XrResult result = xrEnumerateEnvironmentBlendModes(instance, system_id, view_configuration, 0, &num_supported_environment_blend_modes, nullptr); + if (XR_FAILED(result)) { + print_line("OpenXR: Failed to get supported environmental blend mode count [", get_error_string(result), "]"); + return false; + } + + supported_environment_blend_modes = (XrEnvironmentBlendMode *)memalloc(sizeof(XrEnvironmentBlendMode) * num_supported_environment_blend_modes); + ERR_FAIL_NULL_V(supported_environment_blend_modes, false); + + result = xrEnumerateEnvironmentBlendModes(instance, system_id, view_configuration, num_supported_environment_blend_modes, &num_supported_environment_blend_modes, supported_environment_blend_modes); + ERR_FAIL_COND_V_MSG(XR_FAILED(result), false, "OpenXR: Failed to enumerate environmental blend modes"); + + for (uint32_t i = 0; i < num_supported_environment_blend_modes; i++) { + print_verbose(String("OpenXR: Found environmental blend mode ") + OpenXRUtil::get_environment_blend_mode_name(supported_environment_blend_modes[i])); + } + + return true; +} + bool OpenXRAPI::is_view_configuration_supported(XrViewConfigurationType p_configuration_type) const { ERR_FAIL_NULL_V(supported_view_configuration_types, false); @@ -551,6 +582,12 @@ void OpenXRAPI::destroy_instance() { supported_view_configuration_types = nullptr; } + if (supported_environment_blend_modes != nullptr) { + memfree(supported_environment_blend_modes); + supported_environment_blend_modes = nullptr; + num_supported_environment_blend_modes = 0; + } + if (instance != XR_NULL_HANDLE) { for (OpenXRExtensionWrapper *wrapper : registered_extension_wrappers) { wrapper->on_instance_destroyed(); @@ -751,7 +788,7 @@ bool OpenXRAPI::create_swapchains() { Also Godot only creates a swapchain for the main output. OpenXR will require us to create swapchains as the render target for additional viewports if we want to use the layer system - to optimise text rendering and background rendering as OpenXR may choose to re-use the results for reprojection while we're + to optimize text rendering and background rendering as OpenXR may choose to re-use the results for reprojection while we're already rendering the next frame. Finally an area we need to expand upon is that Foveated rendering is only enabled for the swap chain we create, @@ -1205,6 +1242,7 @@ bool OpenXRAPI::resolve_instance_openxr_symbols() { OPENXR_API_INIT_XR_FUNC_V(xrDestroySwapchain); OPENXR_API_INIT_XR_FUNC_V(xrEndFrame); OPENXR_API_INIT_XR_FUNC_V(xrEndSession); + OPENXR_API_INIT_XR_FUNC_V(xrEnumerateEnvironmentBlendModes); OPENXR_API_INIT_XR_FUNC_V(xrEnumerateReferenceSpaces); OPENXR_API_INIT_XR_FUNC_V(xrEnumerateSwapchainFormats); OPENXR_API_INIT_XR_FUNC_V(xrEnumerateViewConfigurations); @@ -1312,6 +1350,11 @@ bool OpenXRAPI::initialize(const String &p_rendering_driver) { return false; } + if (!load_supported_environmental_blend_modes()) { + destroy_instance(); + return false; + } + return true; } @@ -1822,7 +1865,7 @@ void OpenXRAPI::end_frame() { XR_TYPE_FRAME_END_INFO, // type nullptr, // next frame_state.predictedDisplayTime, // displayTime - XR_ENVIRONMENT_BLEND_MODE_OPAQUE, // environmentBlendMode + environment_blend_mode, // environmentBlendMode 0, // layerCount nullptr // layers }; @@ -1874,7 +1917,7 @@ void OpenXRAPI::end_frame() { XR_TYPE_FRAME_END_INFO, // type nullptr, // next frame_state.predictedDisplayTime, // displayTime - XR_ENVIRONMENT_BLEND_MODE_OPAQUE, // environmentBlendMode + environment_blend_mode, // environmentBlendMode static_cast<uint32_t>(layers_list.size()), // layerCount layers_list.ptr() // layers }; @@ -2777,3 +2820,18 @@ void OpenXRAPI::register_composition_layer_provider(OpenXRCompositionLayerProvid void OpenXRAPI::unregister_composition_layer_provider(OpenXRCompositionLayerProvider *provider) { composition_layer_providers.erase(provider); } + +const XrEnvironmentBlendMode *OpenXRAPI::get_supported_environment_blend_modes(uint32_t &count) { + count = num_supported_environment_blend_modes; + return supported_environment_blend_modes; +} + +bool OpenXRAPI::set_environment_blend_mode(XrEnvironmentBlendMode mode) { + for (uint32_t i = 0; i < num_supported_environment_blend_modes; i++) { + if (supported_environment_blend_modes[i] == mode) { + environment_blend_mode = mode; + return true; + } + } + return false; +} |