LWJGL 3.3.3 · org.lwjgl.openxr.FBTriangleMesh

Modifier and Type	Field and Description
public static final String	XR_FB_TRIANGLE_MESH_EXTENSION_NAME The extension name.
public static final int	XR_FB_triangle_mesh_SPEC_VERSION The extension specification version.
public static final int	XR_OBJECT_TYPE_TRIANGLE_MESH_FB Extends `XrObjectType`.
public static final int	XR_TRIANGLE_MESH_MUTABLE_BIT_FB XrTriangleMeshFlagBitsFB - XrTriangleMeshFlagBitsFB Flag Descriptions `TRIANGLE_MESH_MUTABLE_BIT_FB` — The triangle mesh is mutable (can be modified after it is created).
public static final int	XR_TYPE_TRIANGLE_MESH_CREATE_INFO_FB Extends `XrStructureType`.
public static final int	XR_WINDING_ORDER_CCW_FB XrWindingOrderFB - Triangle winding order Enumerant Descriptions `WINDING_ORDER_UNKNOWN_FB` — Winding order is unknown and the runtime cannot make any assumptions on the triangle orientation `WINDING_ORDER_CW_FB` — Clockwise winding order `WINDING_ORDER_CCW_FB` — Counter-clockwise winding order
public static final int	XR_WINDING_ORDER_CW_FB XrWindingOrderFB - Triangle winding order Enumerant Descriptions `WINDING_ORDER_UNKNOWN_FB` — Winding order is unknown and the runtime cannot make any assumptions on the triangle orientation `WINDING_ORDER_CW_FB` — Clockwise winding order `WINDING_ORDER_CCW_FB` — Counter-clockwise winding order
public static final int	XR_WINDING_ORDER_UNKNOWN_FB XrWindingOrderFB - Triangle winding order Enumerant Descriptions `WINDING_ORDER_UNKNOWN_FB` — Winding order is unknown and the runtime cannot make any assumptions on the triangle orientation `WINDING_ORDER_CW_FB` — Clockwise winding order `WINDING_ORDER_CCW_FB` — Counter-clockwise winding order

Access	Constructor and Description
protected	FBTriangleMesh()

Modifier and Type	Method and Description
public static int	nxrCreateTriangleMeshFB(XrSession session, long createInfo, long outTriangleMesh) Unsafe version of: `CreateTriangleMeshFB`
public static int	nxrTriangleMeshBeginVertexBufferUpdateFB(XrTriangleMeshFB mesh, long outVertexCount) Unsafe version of: `TriangleMeshBeginVertexBufferUpdateFB`
public static int	nxrTriangleMeshGetIndexBufferFB(XrTriangleMeshFB mesh, long outIndexBuffer) Unsafe version of: `TriangleMeshGetIndexBufferFB`
public static int	nxrTriangleMeshGetVertexBufferFB(XrTriangleMeshFB mesh, long outVertexBuffer) Unsafe version of: `TriangleMeshGetVertexBufferFB`
public static int	xrCreateTriangleMeshFB(XrSession the `XrSession` to which the mesh will belong. session, XrTriangleMeshCreateInfoFB a pointer to an `XrTriangleMeshCreateInfoFB` structure containing parameters to be used to create the mesh. createInfo, PointerBuffer a pointer to a handle in which the created `XrTriangleMeshFB` is returned. outTriangleMesh) Create a triangle mesh.
public static int	xrDestroyTriangleMeshFB(XrTriangleMeshFB the `XrTriangleMeshFB` to destroy. mesh) Destroy a triangle mesh.
public static int	xrTriangleMeshBeginUpdateFB(XrTriangleMeshFB the `XrTriangleMeshFB` to update. mesh) Begin an update of the mesh data.
public static int	xrTriangleMeshBeginVertexBufferUpdateFB(XrTriangleMeshFB the `XrTriangleMeshFB` to update. mesh, IntBuffer a pointer to a value to populate with the current vertex count. The updated data must have the exact same number of vertices. outVertexCount) Begin an update of the vertex data.
public static int	xrTriangleMeshEndUpdateFB(XrTriangleMeshFB the `XrTriangleMeshFB` to update. mesh, int the vertex count after the update. vertexCount, int the triangle count after the update. triangleCount) End an update of the mesh data.
public static int	xrTriangleMeshEndVertexBufferUpdateFB(XrTriangleMeshFB the `XrTriangleMeshFB` to update. mesh) End an update of the vertex data.
public static int	xrTriangleMeshGetIndexBufferFB(XrTriangleMeshFB the `XrTriangleMeshFB` to get the index buffer for. mesh, PointerBuffer a pointer to return the index buffer into. outIndexBuffer) Obtain the index buffer of a triangle mesh.
public static int	xrTriangleMeshGetVertexBufferFB(XrTriangleMeshFB the `XrTriangleMeshFB` to get the vertex buffer for. mesh, PointerBuffer a pointer to return the vertex buffer into. outVertexBuffer) Obtain the vertex buffer of a triangle mesh.

XR_FB_TRIANGLE_MESH_EXTENSION_NAME	back to summary
public static final String XR_FB_TRIANGLE_MESH_EXTENSION_NAME The extension name.

XR_FB_triangle_mesh_SPEC_VERSION	back to summary
public static final int XR_FB_triangle_mesh_SPEC_VERSION The extension specification version.

XR_OBJECT_TYPE_TRIANGLE_MESH_FB	back to summary
public static final int XR_OBJECT_TYPE_TRIANGLE_MESH_FB Extends `XrObjectType`.

XR_TRIANGLE_MESH_MUTABLE_BIT_FB	back to summary
public static final int XR_TRIANGLE_MESH_MUTABLE_BIT_FB XrTriangleMeshFlagBitsFB - XrTriangleMeshFlagBitsFB Flag Descriptions `TRIANGLE_MESH_MUTABLE_BIT_FB` — The triangle mesh is mutable (can be modified after it is created).

XR_TYPE_TRIANGLE_MESH_CREATE_INFO_FB	back to summary
public static final int XR_TYPE_TRIANGLE_MESH_CREATE_INFO_FB Extends `XrStructureType`.

XR_WINDING_ORDER_CCW_FB	back to summary
public static final int XR_WINDING_ORDER_CCW_FB XrWindingOrderFB - Triangle winding order Enumerant Descriptions `WINDING_ORDER_UNKNOWN_FB` — Winding order is unknown and the runtime cannot make any assumptions on the triangle orientation `WINDING_ORDER_CW_FB` — Clockwise winding order `WINDING_ORDER_CCW_FB` — Counter-clockwise winding order See Also `XrTriangleMeshCreateInfoFB`

XR_WINDING_ORDER_CW_FB	back to summary
public static final int XR_WINDING_ORDER_CW_FB XrWindingOrderFB - Triangle winding order Enumerant Descriptions `WINDING_ORDER_UNKNOWN_FB` — Winding order is unknown and the runtime cannot make any assumptions on the triangle orientation `WINDING_ORDER_CW_FB` — Clockwise winding order `WINDING_ORDER_CCW_FB` — Counter-clockwise winding order See Also `XrTriangleMeshCreateInfoFB`

XR_WINDING_ORDER_UNKNOWN_FB	back to summary
public static final int XR_WINDING_ORDER_UNKNOWN_FB XrWindingOrderFB - Triangle winding order Enumerant Descriptions `WINDING_ORDER_UNKNOWN_FB` — Winding order is unknown and the runtime cannot make any assumptions on the triangle orientation `WINDING_ORDER_CW_FB` — Clockwise winding order `WINDING_ORDER_CCW_FB` — Counter-clockwise winding order See Also `XrTriangleMeshCreateInfoFB`

FBTriangleMesh	back to summary
protected FBTriangleMesh()

Method Detail

nxrCreateTriangleMeshFB	back to summary
public static int nxrCreateTriangleMeshFB(XrSession session, long createInfo, long outTriangleMesh) Unsafe version of: `CreateTriangleMeshFB`

nxrTriangleMeshBeginVertexBufferUpdateFB	back to summary
public static int nxrTriangleMeshBeginVertexBufferUpdateFB(XrTriangleMeshFB mesh, long outVertexCount) Unsafe version of: `TriangleMeshBeginVertexBufferUpdateFB`

nxrTriangleMeshGetIndexBufferFB	back to summary
public static int nxrTriangleMeshGetIndexBufferFB(XrTriangleMeshFB mesh, long outIndexBuffer) Unsafe version of: `TriangleMeshGetIndexBufferFB`

nxrTriangleMeshGetVertexBufferFB	back to summary
public static int nxrTriangleMeshGetVertexBufferFB(XrTriangleMeshFB mesh, long outVertexBuffer) Unsafe version of: `TriangleMeshGetVertexBufferFB`

xrCreateTriangleMeshFB back to summary

xrCreateTriangleMeshFB	back to summary
public static int xrCreateTriangleMeshFB(XrSession session, XrTriangleMeshCreateInfoFB createInfo, PointerBuffer outTriangleMesh) Create a triangle mesh. C Specification The `CreateTriangleMeshFB` function is defined as: `XrResult xrCreateTriangleMeshFB( XrSession session, const XrTriangleMeshCreateInfoFB* createInfo, XrTriangleMeshFB* outTriangleMesh);` Description This creates an `XrTriangleMeshFB` handle. The returned triangle mesh handle may be subsequently used in API calls. When the mesh is mutable (the `TRIANGLE_MESH_MUTABLE_BIT_FB` bit is set in `createInfo→pname`:flags), the created triangle mesh starts in the fb_triangle_mesh_state_undefined_topology state. Immutable meshes have no state machine; they may be considered to be in state fb_triangle_mesh_state_ready with no valid edges leaving that state. Valid Usage (Implicit) The `XR_FB_triangle_mesh` extension must be enabled prior to calling `CreateTriangleMeshFB` `session` must be a valid `XrSession` handle `createInfo` must be a pointer to a valid `XrTriangleMeshCreateInfoFB` structure `outTriangleMesh` must be a pointer to an `XrTriangleMeshFB` handle Return Codes On success, this command returns `SUCCESS` `SESSION_LOSS_PENDING` On failure, this command returns `ERROR_FUNCTION_UNSUPPORTED` `ERROR_VALIDATION_FAILURE` `ERROR_RUNTIME_FAILURE` `ERROR_HANDLE_INVALID` `ERROR_INSTANCE_LOST` `ERROR_SESSION_LOST` `ERROR_OUT_OF_MEMORY` `ERROR_LIMIT_REACHED` `ERROR_INSUFFICIENT_RESOURCES_PASSTHROUGH_FB` `ERROR_FEATURE_UNSUPPORTED` See Also `XrTriangleMeshCreateInfoFB` Parameters session:XrSession the `XrSession` to which the mesh will belong. createInfo:XrTriangleMeshCreateInfoFB a pointer to an `XrTriangleMeshCreateInfoFB` structure containing parameters to be used to create the mesh. outTriangleMesh:PointerBuffer a pointer to a handle in which the created `XrTriangleMeshFB` is returned. Annotations @NativeType:XrResult

public static int xrCreateTriangleMeshFB(XrSession session, XrTriangleMeshCreateInfoFB createInfo, PointerBuffer outTriangleMesh)

Create a triangle mesh.

C Specification

The CreateTriangleMeshFB function is defined as:


XrResult xrCreateTriangleMeshFB(
    XrSession                                   session,
    const XrTriangleMeshCreateInfoFB*           createInfo,
    XrTriangleMeshFB*                           outTriangleMesh);

Description

This creates an XrTriangleMeshFB handle. The returned triangle mesh handle may be subsequently used in API calls.

When the mesh is mutable (the TRIANGLE_MESH_MUTABLE_BIT_FB bit is set in createInfo→pname:flags), the created triangle mesh starts in the fb_triangle_mesh_state_undefined_topology state.

Immutable meshes have no state machine; they may be considered to be in state fb_triangle_mesh_state_ready with no valid edges leaving that state.

Valid Usage (Implicit)

The XR_FB_triangle_mesh extension must be enabled prior to calling CreateTriangleMeshFB
session must be a valid XrSession handle
createInfo must be a pointer to a valid XrTriangleMeshCreateInfoFB structure
outTriangleMesh must be a pointer to an XrTriangleMeshFB handle

Return Codes

On success, this command returns

On failure, this command returns

xrDestroyTriangleMeshFB	back to summary
public static int xrDestroyTriangleMeshFB(XrTriangleMeshFB mesh) Destroy a triangle mesh. C Specification The `DestroyTriangleMeshFB` function is defined as: `XrResult xrDestroyTriangleMeshFB( XrTriangleMeshFB mesh);` Description `XrTriangleMeshFB` handles and their associated data are destroyed by `DestroyTriangleMeshFB`. The mesh buffers retrieved by `TriangleMeshGetVertexBufferFB` and `TriangleMeshGetIndexBufferFB` must not be accessed anymore after their parent mesh object has been destroyed. Valid Usage (Implicit) The `XR_FB_triangle_mesh` extension must be enabled prior to calling `DestroyTriangleMeshFB` `mesh` must be a valid `XrTriangleMeshFB` handle Thread Safety Access to `mesh`, and any child handles, must be externally synchronized Access to the buffers returned from calls to `TriangleMeshGetVertexBufferFB` and `TriangleMeshGetIndexBufferFB` on `mesh` must be externally synchronized Return Codes On success, this command returns `SUCCESS` On failure, this command returns `ERROR_FUNCTION_UNSUPPORTED` `ERROR_RUNTIME_FAILURE` `ERROR_HANDLE_INVALID` `ERROR_FEATURE_UNSUPPORTED` Parameters mesh:XrTriangleMeshFB the `XrTriangleMeshFB` to destroy. Annotations @NativeType:XrResult

C Specification

The DestroyTriangleMeshFB function is defined as:


XrResult xrDestroyTriangleMeshFB(
    XrTriangleMeshFB                            mesh);

Description

XrTriangleMeshFB handles and their associated data are destroyed by DestroyTriangleMeshFB. The mesh buffers retrieved by TriangleMeshGetVertexBufferFB and TriangleMeshGetIndexBufferFB must not be accessed anymore after their parent mesh object has been destroyed.

Valid Usage (Implicit)

The XR_FB_triangle_mesh extension must be enabled prior to calling DestroyTriangleMeshFB
mesh must be a valid XrTriangleMeshFB handle

Thread Safety

Access to mesh, and any child handles, must be externally synchronized
Access to the buffers returned from calls to TriangleMeshGetVertexBufferFB and TriangleMeshGetIndexBufferFB on mesh must be externally synchronized

Return Codes

On success, this command returns

SUCCESS

On failure, this command returns

Parameters

mesh:XrTriangleMeshFB: the XrTriangleMeshFB to destroy.

Annotations

@NativeType:XrResult

xrTriangleMeshBeginUpdateFB back to summary

xrTriangleMeshBeginUpdateFB	back to summary
public static int xrTriangleMeshBeginUpdateFB(XrTriangleMeshFB mesh) Begin an update of the mesh data. C Specification The `TriangleMeshBeginUpdateFB` function is defined as: `XrResult xrTriangleMeshBeginUpdateFB( XrTriangleMeshFB mesh);` Description Begins updating the mesh buffer data. The application must call this function before it makes any modifications to the buffers retrieved by `TriangleMeshGetVertexBufferFB` and `TriangleMeshGetIndexBufferFB`. If only the vertex buffer contents need to be updated, and the mesh is in state fb_triangle_mesh_state_ready, `TriangleMeshBeginVertexBufferUpdateFB` may be used instead. To commit the modifications, the application must call `TriangleMeshEndUpdateFB`. The triangle mesh `mesh` must be mutable. The runtime must return `ERROR_VALIDATION_FAILURE` if the mesh is immutable. The triangle mesh `mesh` must be in state fb_triangle_mesh_state_undefined_topology or fb_triangle_mesh_state_ready. If the triangle mesh is in state fb_triangle_mesh_state_undefined_topology before this call, a successful call moves it to state fb_triangle_mesh_state_defining_topology. If the triangle mesh is in state fb_triangle_mesh_state_ready before this call, a successful call moves it to state fb_triangle_mesh_state_updating_mesh. Valid Usage (Implicit) The `XR_FB_triangle_mesh` extension must be enabled prior to calling `TriangleMeshBeginUpdateFB` `mesh` must be a valid `XrTriangleMeshFB` handle Return Codes On success, this command returns `SUCCESS` `SESSION_LOSS_PENDING` On failure, this command returns `ERROR_FUNCTION_UNSUPPORTED` `ERROR_VALIDATION_FAILURE` `ERROR_RUNTIME_FAILURE` `ERROR_HANDLE_INVALID` `ERROR_INSTANCE_LOST` `ERROR_SESSION_LOST` `ERROR_FEATURE_UNSUPPORTED` `ERROR_CALL_ORDER_INVALID` See Also `TriangleMeshEndUpdateFB` Parameters mesh:XrTriangleMeshFB the `XrTriangleMeshFB` to update. Annotations @NativeType:XrResult

public static int xrTriangleMeshBeginUpdateFB(XrTriangleMeshFB mesh)

Begin an update of the mesh data.

C Specification

The TriangleMeshBeginUpdateFB function is defined as:


XrResult xrTriangleMeshBeginUpdateFB(
    XrTriangleMeshFB                            mesh);

Description

Begins updating the mesh buffer data. The application must call this function before it makes any modifications to the buffers retrieved by TriangleMeshGetVertexBufferFB and TriangleMeshGetIndexBufferFB. If only the vertex buffer contents need to be updated, and the mesh is in state fb_triangle_mesh_state_ready, TriangleMeshBeginVertexBufferUpdateFB may be used instead. To commit the modifications, the application must call TriangleMeshEndUpdateFB.

The triangle mesh mesh must be mutable. The runtime must return ERROR_VALIDATION_FAILURE if the mesh is immutable.

The triangle mesh mesh must be in state fb_triangle_mesh_state_undefined_topology or fb_triangle_mesh_state_ready.

If the triangle mesh is in state fb_triangle_mesh_state_undefined_topology before this call, a successful call moves it to state fb_triangle_mesh_state_defining_topology.
If the triangle mesh is in state fb_triangle_mesh_state_ready before this call, a successful call moves it to state fb_triangle_mesh_state_updating_mesh.

Valid Usage (Implicit)

The XR_FB_triangle_mesh extension must be enabled prior to calling TriangleMeshBeginUpdateFB
mesh must be a valid XrTriangleMeshFB handle

Return Codes

On success, this command returns

On failure, this command returns

xrTriangleMeshBeginVertexBufferUpdateFB	back to summary
public static int xrTriangleMeshBeginVertexBufferUpdateFB(XrTriangleMeshFB mesh, IntBuffer outVertexCount) Begin an update of the vertex data. C Specification The `TriangleMeshBeginVertexBufferUpdateFB` function is defined as: `XrResult xrTriangleMeshBeginVertexBufferUpdateFB( XrTriangleMeshFB mesh, uint32_t* outVertexCount);` Description Begins an update of the vertex positions of a mutable triangle mesh. The vertex count returned through `outVertexCount` is defined by the last call to `TriangleMeshEndUpdateFB`. Once the modification is done, call `TriangleMeshEndVertexBufferUpdateFB` to commit the changes and move to state fb_triangle_mesh_state_ready. The triangle mesh `mesh` must be mutable. The runtime must return `ERROR_VALIDATION_FAILURE` if the mesh is immutable. The triangle mesh `mesh` must be in state fb_triangle_mesh_state_ready. A successful call moves `mesh` to state fb_triangle_mesh_state_updating_vertices. Valid Usage (Implicit) The `XR_FB_triangle_mesh` extension must be enabled prior to calling `TriangleMeshBeginVertexBufferUpdateFB` `mesh` must be a valid `XrTriangleMeshFB` handle `outVertexCount` must be a pointer to a `uint32_t` value Return Codes On success, this command returns `SUCCESS` `SESSION_LOSS_PENDING` On failure, this command returns `ERROR_FUNCTION_UNSUPPORTED` `ERROR_VALIDATION_FAILURE` `ERROR_RUNTIME_FAILURE` `ERROR_HANDLE_INVALID` `ERROR_INSTANCE_LOST` `ERROR_SESSION_LOST` `ERROR_FEATURE_UNSUPPORTED` `ERROR_CALL_ORDER_INVALID` See Also `TriangleMeshBeginUpdateFB`, `TriangleMeshEndVertexBufferUpdateFB` Parameters mesh:XrTriangleMeshFB the `XrTriangleMeshFB` to update. outVertexCount:IntBuffer a pointer to a value to populate with the current vertex count. The updated data must have the exact same number of vertices. Annotations @NativeType:XrResult

C Specification

The TriangleMeshBeginVertexBufferUpdateFB function is defined as:


XrResult xrTriangleMeshBeginVertexBufferUpdateFB(
    XrTriangleMeshFB                            mesh,
    uint32_t*                                   outVertexCount);

Description

Begins an update of the vertex positions of a mutable triangle mesh. The vertex count returned through outVertexCount is defined by the last call to TriangleMeshEndUpdateFB. Once the modification is done, call TriangleMeshEndVertexBufferUpdateFB to commit the changes and move to state fb_triangle_mesh_state_ready.

The triangle mesh mesh must be mutable. The runtime must return ERROR_VALIDATION_FAILURE if the mesh is immutable.

The triangle mesh mesh must be in state fb_triangle_mesh_state_ready.

A successful call moves mesh to state fb_triangle_mesh_state_updating_vertices.

Valid Usage (Implicit)

The XR_FB_triangle_mesh extension must be enabled prior to calling TriangleMeshBeginVertexBufferUpdateFB
mesh must be a valid XrTriangleMeshFB handle
outVertexCount must be a pointer to a uint32_t value

Return Codes

On success, this command returns

On failure, this command returns

xrTriangleMeshEndUpdateFB	back to summary
public static int xrTriangleMeshEndUpdateFB(XrTriangleMeshFB mesh, int vertexCount, int triangleCount) End an update of the mesh data. C Specification The `TriangleMeshEndUpdateFB` function is defined as: `XrResult xrTriangleMeshEndUpdateFB( XrTriangleMeshFB mesh, uint32_t vertexCount, uint32_t triangleCount);` Description Signals to the runtime that the application has finished initially populating or updating the mesh buffers. `vertexCount` and `triangleCount` specify the actual number of primitives that make up the mesh after the update. They must be larger than zero but smaller or equal to the maximum counts defined at create time. The runtime must return `ERROR_VALIDATION_FAILURE` if an invalid count is passed. The triangle mesh `mesh` must be mutable. The runtime must return `ERROR_VALIDATION_FAILURE` if the mesh is immutable. The triangle mesh `mesh` must be in state fb_triangle_mesh_state_defining_topology or fb_triangle_mesh_state_updating_mesh. A successful call moves `mesh` to state fb_triangle_mesh_state_ready. Valid Usage (Implicit) The `XR_FB_triangle_mesh` extension must be enabled prior to calling `TriangleMeshEndUpdateFB` `mesh` must be a valid `XrTriangleMeshFB` handle Return Codes On success, this command returns `SUCCESS` `SESSION_LOSS_PENDING` On failure, this command returns `ERROR_FUNCTION_UNSUPPORTED` `ERROR_VALIDATION_FAILURE` `ERROR_RUNTIME_FAILURE` `ERROR_HANDLE_INVALID` `ERROR_INSTANCE_LOST` `ERROR_SESSION_LOST` `ERROR_FEATURE_UNSUPPORTED` `ERROR_CALL_ORDER_INVALID` See Also `TriangleMeshBeginUpdateFB` Parameters mesh:XrTriangleMeshFB the `XrTriangleMeshFB` to update. vertexCount:int the vertex count after the update. triangleCount:int the triangle count after the update. Annotations @NativeType:XrResult

C Specification

The TriangleMeshEndUpdateFB function is defined as:


XrResult xrTriangleMeshEndUpdateFB(
    XrTriangleMeshFB                            mesh,
    uint32_t                                    vertexCount,
    uint32_t                                    triangleCount);

Description

Signals to the runtime that the application has finished initially populating or updating the mesh buffers. vertexCount and triangleCount specify the actual number of primitives that make up the mesh after the update. They must be larger than zero but smaller or equal to the maximum counts defined at create time. The runtime must return ERROR_VALIDATION_FAILURE if an invalid count is passed.

The triangle mesh mesh must be mutable. The runtime must return ERROR_VALIDATION_FAILURE if the mesh is immutable.

The triangle mesh mesh must be in state fb_triangle_mesh_state_defining_topology or fb_triangle_mesh_state_updating_mesh.

A successful call moves mesh to state fb_triangle_mesh_state_ready.

Valid Usage (Implicit)

The XR_FB_triangle_mesh extension must be enabled prior to calling TriangleMeshEndUpdateFB
mesh must be a valid XrTriangleMeshFB handle

Return Codes

On success, this command returns

On failure, this command returns

xrTriangleMeshEndVertexBufferUpdateFB	back to summary
public static int xrTriangleMeshEndVertexBufferUpdateFB(XrTriangleMeshFB mesh) End an update of the vertex data. C Specification The `TriangleMeshEndVertexBufferUpdateFB` function is defined as: `XrResult xrTriangleMeshEndVertexBufferUpdateFB( XrTriangleMeshFB mesh);` Description Signals to the runtime that the application has finished updating the vertex buffer data following a call to `TriangleMeshBeginVertexBufferUpdateFB`. The triangle mesh `mesh` must be mutable. The runtime must return `ERROR_VALIDATION_FAILURE` if the mesh is immutable. The triangle mesh `mesh` must be in state fb_triangle_mesh_state_updating_vertices. A successful call moves `mesh` to state fb_triangle_mesh_state_ready. Valid Usage (Implicit) The `XR_FB_triangle_mesh` extension must be enabled prior to calling `TriangleMeshEndVertexBufferUpdateFB` `mesh` must be a valid `XrTriangleMeshFB` handle Return Codes On success, this command returns `SUCCESS` `SESSION_LOSS_PENDING` On failure, this command returns `ERROR_FUNCTION_UNSUPPORTED` `ERROR_VALIDATION_FAILURE` `ERROR_RUNTIME_FAILURE` `ERROR_HANDLE_INVALID` `ERROR_INSTANCE_LOST` `ERROR_SESSION_LOST` `ERROR_FEATURE_UNSUPPORTED` `ERROR_CALL_ORDER_INVALID` See Also `TriangleMeshBeginVertexBufferUpdateFB` Parameters mesh:XrTriangleMeshFB the `XrTriangleMeshFB` to update. Annotations @NativeType:XrResult

C Specification

The TriangleMeshEndVertexBufferUpdateFB function is defined as:


XrResult xrTriangleMeshEndVertexBufferUpdateFB(
    XrTriangleMeshFB                            mesh);

Description

Signals to the runtime that the application has finished updating the vertex buffer data following a call to TriangleMeshBeginVertexBufferUpdateFB.

The triangle mesh mesh must be mutable. The runtime must return ERROR_VALIDATION_FAILURE if the mesh is immutable.

The triangle mesh mesh must be in state fb_triangle_mesh_state_updating_vertices.

A successful call moves mesh to state fb_triangle_mesh_state_ready.

Valid Usage (Implicit)

The XR_FB_triangle_mesh extension must be enabled prior to calling TriangleMeshEndVertexBufferUpdateFB
mesh must be a valid XrTriangleMeshFB handle

Return Codes

On success, this command returns

On failure, this command returns

xrTriangleMeshGetIndexBufferFB	back to summary
public static int xrTriangleMeshGetIndexBufferFB(XrTriangleMeshFB mesh, PointerBuffer outIndexBuffer) Obtain the index buffer of a triangle mesh. C Specification The `TriangleMeshGetIndexBufferFB` function is defined as: `XrResult xrTriangleMeshGetIndexBufferFB( XrTriangleMeshFB mesh, uint32_t outIndexBuffer);` Description Retrieves a pointer to the index buffer that defines the topology of the triangle mesh. Each triplet of consecutive elements points to three vertices in the vertex buffer and thus form a triangle. The size of the buffer is `XrTriangleMeshCreateInfoFB::indexCount` elements. The buffer location is guaranteed to remain constant over the lifecycle of the mesh object. A triangle mesh must be mutable and in state fb_triangle_mesh_state_defining_topology or fb_triangle_mesh_state_updating_mesh for the application to modify the contents and/or triangle count in the index buffer retrieved by this function. Valid Usage (Implicit) The `XR_FB_triangle_mesh` extension must be enabled prior to calling `TriangleMeshGetIndexBufferFB` `mesh` must be a valid `XrTriangleMeshFB` handle `outIndexBuffer` must** be a pointer to a pointer to a `uint32_t` value Return Codes On success, this command returns `SUCCESS` `SESSION_LOSS_PENDING` On failure, this command returns `ERROR_FUNCTION_UNSUPPORTED` `ERROR_VALIDATION_FAILURE` `ERROR_RUNTIME_FAILURE` `ERROR_HANDLE_INVALID` `ERROR_INSTANCE_LOST` `ERROR_SESSION_LOST` `ERROR_FEATURE_UNSUPPORTED` See Also `TriangleMeshGetVertexBufferFB` Parameters mesh:XrTriangleMeshFB the `XrTriangleMeshFB` to get the index buffer for. outIndexBuffer:PointerBuffer a pointer to return the index buffer into. Annotations @NativeType:XrResult

C Specification

The TriangleMeshGetIndexBufferFB function is defined as:


XrResult xrTriangleMeshGetIndexBufferFB(
    XrTriangleMeshFB                            mesh,
    uint32_t**                                  outIndexBuffer);

Description

Retrieves a pointer to the index buffer that defines the topology of the triangle mesh. Each triplet of consecutive elements points to three vertices in the vertex buffer and thus form a triangle. The size of the buffer is XrTriangleMeshCreateInfoFB::indexCount elements. The buffer location is guaranteed to remain constant over the lifecycle of the mesh object.

A triangle mesh must be mutable and in state fb_triangle_mesh_state_defining_topology or fb_triangle_mesh_state_updating_mesh for the application to modify the contents and/or triangle count in the index buffer retrieved by this function.

Valid Usage (Implicit)

The XR_FB_triangle_mesh extension must be enabled prior to calling TriangleMeshGetIndexBufferFB
mesh must be a valid XrTriangleMeshFB handle
outIndexBuffer must be a pointer to a pointer to a uint32_t value

Return Codes

On success, this command returns

On failure, this command returns

xrTriangleMeshGetVertexBufferFB	back to summary
public static int xrTriangleMeshGetVertexBufferFB(XrTriangleMeshFB mesh, PointerBuffer outVertexBuffer) Obtain the vertex buffer of a triangle mesh. C Specification The `TriangleMeshGetVertexBufferFB` function is defined as: `XrResult xrTriangleMeshGetVertexBufferFB( XrTriangleMeshFB mesh, XrVector3f outVertexBuffer);` Description Retrieves a pointer to the vertex buffer. The vertex buffer is structured as an array of `XrVector3f`. The size of the buffer is `XrTriangleMeshCreateInfoFB::vertexCount` elements. The buffer location is guaranteed to remain constant over the lifecycle of the mesh object. A mesh must be mutable and in a specific state for the application to modify it through the retrieved vertex buffer. A mutable triangle mesh must be in state fb_triangle_mesh_state_defining_topology, fb_triangle_mesh_state_updating_mesh, or fb_triangle_mesh_state_updating_vertices to modify the contents of the vertex buffer retrieved by this function. A mutable triangle mesh must be in state fb_triangle_mesh_state_defining_topology or fb_triangle_mesh_state_updating_mesh to modify the count of elements in the vertex buffer retrieved by this function. The new count is passed as a parameter to `TriangleMeshEndUpdateFB`. Valid Usage (Implicit) The `XR_FB_triangle_mesh` extension must be enabled prior to calling `TriangleMeshGetVertexBufferFB` `mesh` must be a valid `XrTriangleMeshFB` handle `outVertexBuffer` must** be a pointer to a pointer to an `XrVector3f` structure Return Codes On success, this command returns `SUCCESS` `SESSION_LOSS_PENDING` On failure, this command returns `ERROR_FUNCTION_UNSUPPORTED` `ERROR_VALIDATION_FAILURE` `ERROR_RUNTIME_FAILURE` `ERROR_HANDLE_INVALID` `ERROR_INSTANCE_LOST` `ERROR_SESSION_LOST` `ERROR_FEATURE_UNSUPPORTED` See Also `XrVector3f`, `TriangleMeshGetIndexBufferFB` Parameters mesh:XrTriangleMeshFB the `XrTriangleMeshFB` to get the vertex buffer for. outVertexBuffer:PointerBuffer a pointer to return the vertex buffer into. Annotations @NativeType:XrResult

C Specification

The TriangleMeshGetVertexBufferFB function is defined as:


XrResult xrTriangleMeshGetVertexBufferFB(
    XrTriangleMeshFB                            mesh,
    XrVector3f**                                outVertexBuffer);

Description

Retrieves a pointer to the vertex buffer. The vertex buffer is structured as an array of XrVector3f. The size of the buffer is XrTriangleMeshCreateInfoFB::vertexCount elements. The buffer location is guaranteed to remain constant over the lifecycle of the mesh object.

A mesh must be mutable and in a specific state for the application to modify it through the retrieved vertex buffer.

A mutable triangle mesh must be in state fb_triangle_mesh_state_defining_topology, fb_triangle_mesh_state_updating_mesh, or fb_triangle_mesh_state_updating_vertices to modify the contents of the vertex buffer retrieved by this function.
A mutable triangle mesh must be in state fb_triangle_mesh_state_defining_topology or fb_triangle_mesh_state_updating_mesh to modify the count of elements in the vertex buffer retrieved by this function. The new count is passed as a parameter to TriangleMeshEndUpdateFB.

Valid Usage (Implicit)

The XR_FB_triangle_mesh extension must be enabled prior to calling TriangleMeshGetVertexBufferFB
mesh must be a valid XrTriangleMeshFB handle
outVertexBuffer must be a pointer to a pointer to an XrVector3f structure

Return Codes

On success, this command returns

On failure, this command returns

public Class FBTriangleMesh

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