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zink: break out offset alignment calculation into helper

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Acked-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11437>
This commit is contained in:
Mike Blumenkrantz 2021-06-09 16:15:03 -04:00 • committed by Marge Bot
parent d574b0a51e
commit 18c22f5024
1 changed files with 16 additions and 10 deletions
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26
src/gallium/drivers/zink/zink_resource.c
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@ -779,20 +779,26 @@ zink_resource_has_usage(struct zink_resource *res, enum zink_resource_access usa
return batch_uses & usage;
}
ALWAYS_INLINE static void
align_offset_size(const VkDeviceSize alignment, VkDeviceSize *offset, VkDeviceSize *size, VkDeviceSize obj_size)
{
VkDeviceSize align = *offset % alignment;
if (alignment - 1 > *offset)
*offset = 0;
else
*offset -= align, *size += align;
align = alignment - (*size % alignment);
if (*offset + *size + align > obj_size)
*size = obj_size - *offset;
else
*size += align;
}
static VkMappedMemoryRange
init_mem_range(struct zink_screen *screen, struct zink_resource *res, VkDeviceSize offset, VkDeviceSize size)
{
assert(res->obj->size);
VkDeviceSize align = offset % screen->info.props.limits.nonCoherentAtomSize;
if (screen->info.props.limits.nonCoherentAtomSize - 1 > offset)
offset = 0;
else
offset -= align, size += align;
align = screen->info.props.limits.nonCoherentAtomSize - (size % screen->info.props.limits.nonCoherentAtomSize);
if (offset + size + align > res->obj->size)
size = res->obj->size - offset;
else
size += align;
align_offset_size(screen->info.props.limits.nonCoherentAtomSize, &offset, &size, res->obj->size);
VkMappedMemoryRange range = {
VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE,
NULL,