# Occlusion_Query

## Functions

void * | `HIC_Begin_Occlusion_Query`
void | `HIC_End_Occlusion_Query`
int | `HIC_Get_Occlusion_Query`
void | `HIC_Delete_Occlusion_Query`
int | `HIC_Occlusion_Query_Available`

## Detailed Description

group `Occlusion_Query`

## Function Documentation

void *`HIC_Begin_Occlusion_Query`(HIC_Rendition const *nr, int disable_write)

  This function begins an occlusion query.

  Parameters: | nr – A pointer to a const HIC_Rendition. disable_write – A boolean.
  Returns: | A void pointer.

void `HIC_End_Occlusion_Query`(HIC_Rendition const *nr, void *id)

  This function ends an occlusion query.

  Parameters: | nr – A pointer to a const HIC_Rendition. id – A void pointer.

int `HIC_Get_Occlusion_Query`(HIC_Rendition const *nr, void *id)

  This function returns the occlusion query.

  Parameters: | nr – A pointer to a const HIC_Rendition. id – A void pointer.
  Returns: | An int.

void `HIC_Delete_Occlusion_Query`(HIC_Rendition const *nr, void *id)

  This function deletes the occlusion query.

  Parameters: | nr – A pointer to a const HIC_Rendition. id – A void pointer.

int `HIC_Occlusion_Query_Available`(HIC_Rendition const *nr)

  This function returns a boolean which is true if the occlusion query is available and false if the occlusion query is not available.

  Parameters: | nr – A pointer to a const HIC_Rendition.
  Returns: | A boolean.

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