From 82d3e7515ef98c1ec0b29e63190ba31f34de1639 Mon Sep 17 00:00:00 2001
From: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Date: Mon, 14 Mar 2022 15:47:53 -0400
Subject: [PATCH] lavapipe: EXT_shader_demote_to_helper_invocation

Reviewed-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15402>
---
 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 f0f6337e96a..66165104a4d 100644
--- a/src/gallium/frontends/lavapipe/lvp_device.c
+++ b/src/gallium/frontends/lavapipe/lvp_device.c
@@ -153,6 +153,7 @@ static const struct vk_device_extension_table lvp_device_extensions_supported =
    .EXT_sampler_filter_minmax             = true,
    .EXT_scalar_block_layout               = true,
    .EXT_separate_stencil_usage            = true,
+   .EXT_shader_demote_to_helper_invocation= true,
    .EXT_shader_stencil_export             = true,
    .EXT_shader_viewport_index_layer       = true,
    .EXT_texel_buffer_alignment            = true,
@@ -790,6 +791,12 @@ VKAPI_ATTR void VKAPI_CALL lvp_GetPhysicalDeviceFeatures2(
          features->extendedDynamicState = true;
          break;
       }
+      case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_DEMOTE_TO_HELPER_INVOCATION_FEATURES_EXT: {
+         VkPhysicalDeviceShaderDemoteToHelperInvocationFeaturesEXT *features =
+            (VkPhysicalDeviceShaderDemoteToHelperInvocationFeaturesEXT *)ext;
+         features->shaderDemoteToHelperInvocation = true;
+         break;
+      }
       case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_4444_FORMATS_FEATURES_EXT: {
          VkPhysicalDevice4444FormatsFeaturesEXT *features =
             (VkPhysicalDevice4444FormatsFeaturesEXT*)ext;