From dffe8141bdf15cdc153b044b4f408375425deecc Mon Sep 17 00:00:00 2001
From: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Date: Mon, 14 Mar 2022 16:30:29 -0400
Subject: [PATCH] lavapipe: KHR_zero_initialize_workgroup_memory

Reviewed-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15403>
---
 src/gallium/frontends/lavapipe/lvp_device.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/gallium/frontends/lavapipe/lvp_device.c b/src/gallium/frontends/lavapipe/lvp_device.c
index 3e5a23ddae6..38c5785cb64 100644
--- a/src/gallium/frontends/lavapipe/lvp_device.c
+++ b/src/gallium/frontends/lavapipe/lvp_device.c
@@ -131,6 +131,7 @@ static const struct vk_device_extension_table lvp_device_extensions_supported =
    .KHR_uniform_buffer_standard_layout    = true,
    .KHR_variable_pointers                 = true,
    .KHR_vulkan_memory_model               = true,
+   .KHR_zero_initialize_workgroup_memory  = true,
    .EXT_4444_formats                      = true,
    .EXT_calibrated_timestamps             = true,
    .EXT_color_write_enable                = true,
@@ -746,6 +747,12 @@ VKAPI_ATTR void VKAPI_CALL lvp_GetPhysicalDeviceFeatures2(
          features->depthClipControl = true;
          break;
       }
+      case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_ZERO_INITIALIZE_WORKGROUP_MEMORY_FEATURES: {
+         VkPhysicalDeviceZeroInitializeWorkgroupMemoryFeatures *features =
+            (VkPhysicalDeviceZeroInitializeWorkgroupMemoryFeatures *)ext;
+         features->shaderZeroInitializeWorkgroupMemory = true;
+         break;
+      }
       case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_TRANSFORM_FEEDBACK_FEATURES_EXT: {
          VkPhysicalDeviceTransformFeedbackFeaturesEXT *features =
             (VkPhysicalDeviceTransformFeedbackFeaturesEXT*)ext;