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st/dri: enable DRIimage modifier queries

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return the modifier selected by the driver when creating this image.

v2: since we can use winsys_handle->modifier to serve these, remove
    DRIimage->modifier from v1.
    use DRM_API_HANDLE_TYPE_KMS instead of DRM_API_HANDLE_TYPE_FD to avoid
    ownership transfer. (Lucas)

Suggested-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Varad Gautam <varad.gautam@collabora.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
This commit is contained in:
Varad Gautam 2017-05-30 17:23:42 +05:30 • committed by Emil Velikov
parent 3f8513172f
commit d33fe8b84e
1 changed files with 12 additions and 0 deletions
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12
src/gallium/state_trackers/dri/dri2.c
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@ -1088,6 +1088,18 @@ dri2_query_image(__DRIimage *image, int attrib, int *value)
case __DRI_IMAGE_ATTRIB_NUM_PLANES:
*value = 1;
return GL_TRUE;
case __DRI_IMAGE_ATTRIB_MODIFIER_UPPER:
whandle.type = DRM_API_HANDLE_TYPE_KMS;
image->texture->screen->resource_get_handle(image->texture->screen,
NULL, image->texture, &whandle, usage);
*value = (whandle.modifier >> 32) & 0xffffffff;
return GL_TRUE;
case __DRI_IMAGE_ATTRIB_MODIFIER_LOWER:
whandle.type = DRM_API_HANDLE_TYPE_KMS;
image->texture->screen->resource_get_handle(image->texture->screen,
NULL, image->texture, &whandle, usage);
*value = whandle.modifier & 0xffffffff;
return GL_TRUE;
default:
return GL_FALSE;
}