gpu.h File Reference

GPU functions. More...

#include <libtransistor/types.h>

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Data Structures
struct	gpu_buffer_t
	Buffer to be used for various GPU functions. More...
struct	gpu_fence_t

Functions
result_t	gpu_initialize ()
	Initialize GPU.
result_t	gpu_buffer_initialize (gpu_buffer_t *gpu_b, void *addr, size_t size, uint32_t heapmask, uint32_t flags, uint32_t alignment, uint8_t kind)
	Initializes a GPU buffer with the args provided. More...
result_t	gpu_buffer_destroy (gpu_buffer_t *gpu_b, uint64_t *refcount, uint32_t *flags)
	Destroys a GPU buffer. More...
result_t	gpu_buffer_get_id (gpu_buffer_t *gpu_b, uint32_t *id)
	Get a GPU buffer's ID. More...
result_t	gpu_buffer_initialize_from_id (gpu_buffer_t *gpu_b, uint32_t id)
	Create a structure to access an existing GPU buffer from a given ID. More...
result_t	gpu_wait_fence (gpu_fence_t *fence, uint32_t timeout)
	Waits on a fence to complete. More...
void	gpu_finalize ()
	Finalize GPU.

Detailed Description

GPU functions.

Function Documentation

result_t gpu_buffer_destroy	(	gpu_buffer_t *	gpu_b,
		uint64_t *	refcount,
		uint32_t *	flags
	)

Destroys a GPU buffer.

Parameters

gpu_b

GPU buffer to destroy

result_t gpu_buffer_get_id	(	gpu_buffer_t *	gpu_b,
		uint32_t *	id
	)

Get a GPU buffer's ID.

Parameters

gpu_b	GPU buffer
id	ID of GPU buffer

result_t gpu_buffer_initialize	(	gpu_buffer_t *	gpu_b,
		void *	addr,
		size_t	size,
		uint32_t	heapmask,
		uint32_t	flags,
		uint32_t	alignment,
		uint8_t	kind
	)

Initializes a GPU buffer with the args provided.

Parameters

gpu_b	GPU buffer
addr	Address of backing memory
size	Size of buffer to create
heapmask	Heapmask for buffer
flags	Flags for buffer
alignment	Alignment of buffer
kind	Kind of buffer

result_t gpu_buffer_initialize_from_id	(	gpu_buffer_t *	gpu_b,
		uint32_t	id
	)

Create a structure to access an existing GPU buffer from a given ID.

Parameters

gpu_b	GPU buffer structure to initialize
id	ID of gpu buffer

result_t gpu_wait_fence	(	gpu_fence_t *	fence,
		uint32_t	timeout
	)

Waits on a fence to complete.

Parameters

fence

Fence to wait for completion on