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Revert "st/dri: assume external consumers of back buffers can write to the buffers" 

This reverts commit 1d1b457821.

This series caused unexpected flickering artifacts with Iris driver on
Chrome OS and EGL_EXT_image_flush_external spec has not been published
yet.

Acked-by: Eric Engestrom <eric@engestrom.ch>
Acked-by: Kristian H. Kristensen <hoegsberg@google.com>
This commit is contained in:
Tapani Pälli 2019-11-12 17:32:56 +02:00
parent 25f596e6ba
commit 7951eb146c
1 changed files with 6 additions and 6 deletions
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12
src/gallium/state_trackers/dri/dri2.c
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@ -1108,10 +1108,10 @@ dri2_query_image_by_resource_handle(__DRIimage *image, int attrib, int *value)
return false;
}
usage = PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE;
if (image->use & __DRI_IMAGE_USE_BACKBUFFER)
usage |= PIPE_HANDLE_USAGE_EXPLICIT_FLUSH;
usage = PIPE_HANDLE_USAGE_EXPLICIT_FLUSH;
else
usage = PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE;
if (!pscreen->resource_get_handle(pscreen, NULL, image->texture,
&whandle, usage))
@ -1194,10 +1194,10 @@ dri2_query_image_by_resource_param(__DRIimage *image, int attrib, int *value)
return false;
}
handle_usage = PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE;
if (image->use & __DRI_IMAGE_USE_BACKBUFFER)
handle_usage |= PIPE_HANDLE_USAGE_EXPLICIT_FLUSH;
handle_usage = PIPE_HANDLE_USAGE_EXPLICIT_FLUSH;
else
handle_usage = PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE;
if (!dri2_resource_get_param(image, param, handle_usage, &res_param))
return false;