From 325ac235a787565179eb9922d68eee8f0bdf0a61 Mon Sep 17 00:00:00 2001
From: Caio Oliveira <caio.oliveira@intel.com>
Date: Tue, 18 May 2021 12:13:52 -0700
Subject: [PATCH] anv: Add boilerplate for VK_NV_mesh_shader
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Use minimum values for the properties.

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Marcin Ślusarz <marcin.slusarz@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13662>
---
 src/intel/vulkan/anv_device.c      | 36 ++++++++++++++++++++++++++++++
 src/intel/vulkan/genX_cmd_buffer.c | 33 +++++++++++++++++++++++++++
 2 files changed, 69 insertions(+)

diff --git a/src/intel/vulkan/anv_device.c b/src/intel/vulkan/anv_device.c
index cfe1d21ed97..b043589f626 100644
--- a/src/intel/vulkan/anv_device.c
+++ b/src/intel/vulkan/anv_device.c
@@ -1596,6 +1596,14 @@ void anv_GetPhysicalDeviceFeatures2(
          break;
       }
 
+      case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MESH_SHADER_FEATURES_NV: {
+         VkPhysicalDeviceMeshShaderFeaturesNV *features =
+            (VkPhysicalDeviceMeshShaderFeaturesNV *)ext;
+         features->taskShader = false;
+         features->meshShader = false;
+         break;
+      }
+
       case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MUTABLE_DESCRIPTOR_TYPE_FEATURES_VALVE: {
          VkPhysicalDeviceMutableDescriptorTypeFeaturesVALVE *features =
             (VkPhysicalDeviceMutableDescriptorTypeFeaturesVALVE *)ext;
@@ -2386,6 +2394,34 @@ void anv_GetPhysicalDeviceProperties2(
          break;
       }
 
+      case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MESH_SHADER_PROPERTIES_NV: {
+         VkPhysicalDeviceMeshShaderPropertiesNV *props =
+            (VkPhysicalDeviceMeshShaderPropertiesNV *)ext;
+
+         props->maxDrawMeshTasksCount = UINT16_MAX;
+
+         props->maxTaskWorkGroupInvocations = 32;
+         props->maxTaskWorkGroupSize[0] = 32;
+         props->maxTaskWorkGroupSize[1] = 1;
+         props->maxTaskWorkGroupSize[2] = 1;
+         props->maxTaskTotalMemorySize = 16 * 1024;
+         props->maxTaskOutputCount = UINT16_MAX;
+
+         props->maxMeshWorkGroupInvocations = 32;
+         props->maxMeshWorkGroupSize[0] = 32;
+         props->maxMeshWorkGroupSize[1] = 1;
+         props->maxMeshWorkGroupSize[2] = 1;
+         props->maxMeshTotalMemorySize = 16 * 1024;
+         props->maxMeshOutputVertices = 256;
+         props->maxMeshOutputPrimitives = 256;
+         props->maxMeshMultiviewViewCount = 1;
+
+         props->meshOutputPerVertexGranularity = 32;
+         props->meshOutputPerPrimitiveGranularity = 32;
+
+         break;
+      }
+
       case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PCI_BUS_INFO_PROPERTIES_EXT: {
          VkPhysicalDevicePCIBusInfoPropertiesEXT *properties =
             (VkPhysicalDevicePCIBusInfoPropertiesEXT *)ext;
diff --git a/src/intel/vulkan/genX_cmd_buffer.c b/src/intel/vulkan/genX_cmd_buffer.c
index f929bc084e1..f22399b625a 100644
--- a/src/intel/vulkan/genX_cmd_buffer.c
+++ b/src/intel/vulkan/genX_cmd_buffer.c
@@ -4838,6 +4838,39 @@ void genX(CmdEndTransformFeedbackEXT)(
    cmd_buffer->state.gfx.dirty |= ANV_CMD_DIRTY_XFB_ENABLE;
 }
 
+void
+genX(CmdDrawMeshTasksNV)(
+    VkCommandBuffer                             commandBuffer,
+    uint32_t                                    taskCount,
+    uint32_t                                    firstTask)
+{
+   unreachable("Unimplemented");
+}
+
+void
+genX(CmdDrawMeshTasksIndirectNV)(
+    VkCommandBuffer                             commandBuffer,
+    VkBuffer                                    buffer,
+    VkDeviceSize                                offset,
+    uint32_t                                    drawCount,
+    uint32_t                                    stride)
+{
+   unreachable("Unimplemented");
+}
+
+void
+genX(CmdDrawMeshTasksIndirectCountNV)(
+    VkCommandBuffer                             commandBuffer,
+    VkBuffer                                    buffer,
+    VkDeviceSize                                offset,
+    VkBuffer                                    countBuffer,
+    VkDeviceSize                                countBufferOffset,
+    uint32_t                                    maxDrawCount,
+    uint32_t                                    stride)
+{
+   unreachable("Unimplemented");
+}
+
 void
 genX(cmd_buffer_flush_compute_state)(struct anv_cmd_buffer *cmd_buffer)
 {