From 07f25aa785ba3f75b8ca71116b4d010b4df48959 Mon Sep 17 00:00:00 2001
From: Lucas Fryzek <lfryzek@igalia.com>
Date: Mon, 1 Apr 2024 15:34:36 -0400
Subject: [PATCH] lavapipe: EXT_external_memory_dma_buf

Reviewed-By: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27805>
---
 src/gallium/frontends/lavapipe/lvp_device.c  | 6 ++++++
 src/gallium/frontends/lavapipe/lvp_private.h | 4 ++++
 2 files changed, 10 insertions(+)

diff --git a/src/gallium/frontends/lavapipe/lvp_device.c b/src/gallium/frontends/lavapipe/lvp_device.c
index 0a081495a2fd3..a7773c52ef07e 100644
--- a/src/gallium/frontends/lavapipe/lvp_device.c
+++ b/src/gallium/frontends/lavapipe/lvp_device.c
@@ -1181,6 +1181,12 @@ lvp_physical_device_init(struct lvp_physical_device *device,
 
    device->max_images = device->pscreen->get_shader_param(device->pscreen, MESA_SHADER_FRAGMENT, PIPE_SHADER_CAP_MAX_SHADER_IMAGES);
    device->vk.supported_extensions = lvp_device_extensions_supported;
+#ifdef HAVE_LIBDRM
+   /* if import or export is supported then EXT_external_memory_dma_buf is supported */
+   if (device->pscreen->get_param(device->pscreen, PIPE_CAP_DMABUF))
+      device->vk.supported_extensions.EXT_external_memory_dma_buf = true;
+#endif
+
    lvp_get_features(device, &device->vk.supported_features);
    lvp_get_properties(device, &device->vk.properties);
 
diff --git a/src/gallium/frontends/lavapipe/lvp_private.h b/src/gallium/frontends/lavapipe/lvp_private.h
index 6e440d2f47ef0..b3bf064833e39 100644
--- a/src/gallium/frontends/lavapipe/lvp_private.h
+++ b/src/gallium/frontends/lavapipe/lvp_private.h
@@ -44,6 +44,10 @@
 #include "cso_cache/cso_context.h"
 #include "nir.h"
 
+#ifdef HAVE_LIBDRM
+#include <drm-uapi/drm.h>
+#endif
+
 /* Pre-declarations needed for WSI entrypoints */
 struct wl_surface;
 struct wl_display;