metal_backend.hpp File Reference

Minimal Metal compute wrapper used by the Apple MPS path. More...

#include <cstddef>
#include <cstdint>

Include dependency graph for metal_backend.hpp:

This graph shows which files directly or indirectly include this file:

Classes
struct	MetalBuffer
	Opaque Metal buffer handle and size in bytes. More...
struct	MetalDispatchBuffer
	Buffer binding for a dispatch (buffer + offset). More...
struct	MetalDispatchBytes
	Inline POD bytes for a dispatch (small constant args). More...
struct	MetalDispatchTexture
	Opaque Metal texture handle for kernels that accept textures. More...

Functions
void	metal_begin_frame ()
	Begin/end a logical frame (enqueue work for a command buffer).
bool	metal_buffer_alloc (size_t size, MetalBuffer *out)
bool	metal_buffer_download (const MetalBuffer *buffer, size_t offset, void *data, size_t length)
bool	metal_buffer_fill (const MetalBuffer *buffer, size_t offset, uint8_t value, size_t length)
void	metal_buffer_free (MetalBuffer *buffer)
bool	metal_buffer_upload (const MetalBuffer *buffer, size_t offset, const void *data, size_t length)
bool	metal_dispatch_1d (const char *kernel_name, size_t threads, size_t threads_per_group, const MetalDispatchTexture *textures, size_t texture_count, const MetalDispatchBuffer *buffers, size_t buffer_count, const MetalDispatchBytes *bytes, size_t bytes_count, void *command_buffer)
	Dispatch a 1D compute kernel.
bool	metal_dispatch_2d (const char *kernel_name, size_t width, size_t height, size_t threads_per_group_x, size_t threads_per_group_y, const MetalDispatchTexture *textures, size_t texture_count, const MetalDispatchBuffer *buffers, size_t buffer_count, const MetalDispatchBytes *bytes, size_t bytes_count, void *command_buffer)
	Dispatch a 2D compute kernel.
bool	metal_dispatch_texture_kernel (const char *kernel_name, void *grid_texture_handle, size_t threads_per_group_x, size_t threads_per_group_y, const MetalDispatchTexture *textures, size_t texture_count, const MetalDispatchBuffer *buffers, size_t buffer_count, const MetalDispatchBytes *bytes, size_t bytes_count, void *command_buffer)
	Dispatch a kernel using a texture as the grid shape source.
void	metal_end_frame ()
	Commit and wait for the thread-local command buffer.
void	metal_flush ()
	Commit and wait for outstanding thread-local work, if any.
bool	metal_init ()
bool	metal_is_available ()
bool	metal_self_test ()
void	metal_shutdown ()

Detailed Description

Minimal Metal compute wrapper used by the Apple MPS path.