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st/dri: add note about GL interop version checks

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... and make them more explicit.

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Tested-by: Tom Stellard <thomas.stellard@amd.com>
This commit is contained in:
Emil Velikov
2016-05-03 11:13:12 +01:00
committed by Emil Velikov
parent 923bdbf48c
commit f8a114aa5c
1 changed files with 4 additions and 2 deletions
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6
src/gallium/state_trackers/dri/dri2.c
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@@ -1468,7 +1468,8 @@ dri2_interop_query_device_info(__DRIcontext *_ctx,
{
struct pipe_screen *screen = dri_context(_ctx)->st->pipe->screen;
if (!out->version)
/* There is no version 0, thus we do not support it */
if (out->version == 0)
return MESA_GLINTEROP_INVALID_VERSION;
out->pci_segment_group = screen->get_param(screen, PIPE_CAP_PCI_GROUP);
@@ -1497,7 +1498,8 @@ dri2_interop_export_object(__DRIcontext *_ctx,
unsigned target, usage;
boolean success;
if (!in->version || !out->version)
/* There is no version 0, thus we do not support it */
if (in->version == 0 || out->version == 0)
return MESA_GLINTEROP_INVALID_VERSION;
/* Validate the target. */