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etnaviv: fill in modifier in etna_resource_get_handle 

This allows the state trackers to know the tiling layout of the
resource and pass this through the various userspace protocols.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Wladimir J. van der Laan <laanwj@gmail.com>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
This commit is contained in:
Lucas Stach 2017-06-22 13:56:24 +02:00
parent eebf6ee6e9
commit d06cfaf4fc
1 changed files with 19 additions and 0 deletions
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19
src/gallium/drivers/etnaviv/etnaviv_resource.c
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@ -59,6 +59,24 @@ static enum etna_surface_layout modifier_to_layout(uint64_t modifier)
}
}
static uint64_t layout_to_modifier(enum etna_surface_layout layout)
{
switch (layout) {
case ETNA_LAYOUT_TILED:
return DRM_FORMAT_MOD_VIVANTE_TILED;
case ETNA_LAYOUT_SUPER_TILED:
return DRM_FORMAT_MOD_VIVANTE_SUPER_TILED;
case ETNA_LAYOUT_MULTI_TILED:
return DRM_FORMAT_MOD_VIVANTE_SPLIT_TILED;
case ETNA_LAYOUT_MULTI_SUPERTILED:
return DRM_FORMAT_MOD_VIVANTE_SPLIT_SUPER_TILED;
case ETNA_LAYOUT_LINEAR:
return DRM_FORMAT_MOD_LINEAR;
default:
return DRM_FORMAT_MOD_INVALID;
}
}
/* A tile is 4x4 pixels, having 'screen->specs.bits_per_tile' of tile status.
* So, in a buffer of N pixels, there are N / (4 * 4) tiles.
* We need N * screen->specs.bits_per_tile / (4 * 4) bits of tile status, or
@ -480,6 +498,7 @@ etna_resource_get_handle(struct pipe_screen *pscreen,
rsc = etna_resource(rsc->external);
handle->stride = rsc->levels[0].stride;
handle->modifier = layout_to_modifier(rsc->layout);
if (handle->type == DRM_API_HANDLE_TYPE_SHARED) {
return etna_bo_get_name(rsc->bo, &handle->handle) == 0;