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feat: add world tracking provider to render on acutal device (#3326)

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Oskar Kwaśniewski 2024-07-30 17:15:23 +02:00 committed by GitHub
parent 0de1f036d8
commit aa4f8c5833
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1 changed files with 38 additions and 0 deletions
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38
src/renderer_mtl.mm
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@ -533,6 +533,13 @@ BX_STATIC_ASSERT(BX_COUNTOF(s_accessNames) == Access::Count, "Invalid s_accessNa
, TextureFormat::Unknown
, TextureFormat::UnknownDepth
);
#if BX_PLATFORM_VISIONOS
m_deviceAnchor = ar_device_anchor_create();
m_worldTracking = ar_world_tracking_provider_create(ar_world_tracking_configuration_create());
m_arSession = ar_session_create();
ar_session_run(m_arSession, ar_data_providers_create_with_data_providers(m_worldTracking, nil));
#endif
m_numWindows = 1;
#if BX_PLATFORM_VISIONOS
@ -908,6 +915,13 @@ BX_STATIC_ASSERT(BX_COUNTOF(s_accessNames) == Access::Count, "Invalid s_accessNa
MTL_RELEASE(m_vertexDescriptor);
MTL_RELEASE(m_textureDescriptor);
MTL_RELEASE(m_samplerDescriptor);
#if BX_PLATFORM_VISIONOS
ar_session_stop(m_arSession);
MTL_RELEASE(m_arSession);
MTL_RELEASE(m_worldTracking);
MTL_RELEASE(m_deviceAnchor);
#endif
m_mainFrameBuffer.destroy();
@ -1454,6 +1468,19 @@ BX_STATIC_ASSERT(BX_COUNTOF(s_accessNames) == Access::Count, "Invalid s_accessNa
return false;
}
#if BX_PLATFORM_VISIONOS
void createPoseForTiming(cp_frame_timing_t timing, ar_world_tracking_provider_t world_tracking)
{
cp_time_t presentationTime = cp_frame_timing_get_presentation_time(timing);
CFTimeInterval queryTime = cp_time_to_cf_time_interval(presentationTime);
ar_device_anchor_query_status_t status = ar_world_tracking_provider_query_device_anchor_at_timestamp(world_tracking, queryTime, m_deviceAnchor);
if (status != ar_device_anchor_query_status_success)
{
BX_WARN(false, "Device anchor query failed.")
}
}
#endif
void flip() override
{
if (NULL == m_commandBuffer)
@ -1472,6 +1499,12 @@ BX_STATIC_ASSERT(BX_COUNTOF(s_accessNames) == Access::Count, "Invalid s_accessNa
if (NULL != frameBuffer.m_swapChain->m_drawable)
{
#if BX_PLATFORM_VISIONOS
if (m_worldTracking != NULL)
{
auto timingInfo = cp_drawable_get_frame_timing(frameBuffer.m_swapChain->m_drawable);
createPoseForTiming(timingInfo, m_worldTracking);
cp_drawable_set_device_anchor(frameBuffer.m_swapChain->m_drawable, m_deviceAnchor);
}
cp_drawable_encode_present(frameBuffer.m_swapChain->m_drawable, m_commandBuffer);
cp_frame_end_submission(frameBuffer.m_swapChain->m_frame);
#else
@ -2708,6 +2741,11 @@ BX_STATIC_ASSERT(BX_COUNTOF(s_accessNames) == Access::Count, "Invalid s_accessNa
Resolution m_resolution;
void* m_capture;
uint32_t m_captureSize;
#if BX_PLATFORM_VISIONOS
ar_session_t m_arSession;
ar_world_tracking_provider_t m_worldTracking;
ar_device_anchor_t m_deviceAnchor;
#endif
// descriptors
RenderPipelineDescriptor m_renderPipelineDescriptor;