gfx_turn_ops_t Struct Reference

The copy engine. More...

#include <gfx_turn.h>

Data Fields
gfx_turn_copy_t(*)	copy (void *ctx, const gfx_color_t *src, gfx_color_t *dst, gfx_rect_t r, uint32_t budget_us)
	Copy block r of src into dst, turned by 180°, and wait for it.
uint32_t(*)	now_us (void *ctx)
	The time, us; differences wrap.
void *	ctx

Detailed Description

The copy engine.

Field Documentation

copy

gfx_turn_copy_t(*) gfx_turn_ops_t::copy(void *ctx, const gfx_color_t *src, gfx_color_t *dst, gfx_rect_t r, uint32_t budget_us)

Copy block r of src into dst, turned by 180°, and wait for it.

Parameters

ctx	the engine's context
src	the logical buffer, width x height, packed
dst	the frame buffer, of the same size
r	the block, in src's coordinates
budget_us	the longest it may wait, us

Returns

how the copy ended

ctx

void* gfx_turn_ops_t::ctx

passed to both

now_us

uint32_t(*) gfx_turn_ops_t::now_us(void *ctx)

The time, us; differences wrap.

Parameters

ctx	the engine's context

Returns

the time

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The documentation for this struct was generated from the following file:

• shared/gfx/include/gfx_turn.h