nvk: Advertise VK_EXT_device_generated_commands

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31394>

docs/features.txt

@@ -583,6 +583,7 @@ Khronos extensions that are not part of any Vulkan version:
   VK_EXT_descriptor_buffer                              DONE (anv, lvp, nvk, radv, tu)
   VK_EXT_device_address_binding_report                  DONE (radv, tu)
   VK_EXT_device_fault                                   DONE (radv)
+  VK_EXT_device_generated_commands                      DONE (nvk/Turing+)
   VK_EXT_device_memory_report                           DONE (vn)
   VK_EXT_direct_mode_display                            DONE (anv, lvp, nvk, radv, tu, v3dv)
   VK_EXT_discard_rectangles                             DONE (radv)

docs/relnotes/new_features.txt

@@ -17,3 +17,4 @@ VK_KHR_shader_relaxed_extended_instruction on anv, hasvk, hk, nvk, radv, tu, v3d
 GL_OVR_multiview and GL_OVR_multiview2 on zink
 VK_KHR_shader_float_controls2 on radv
 VK_KHR_shader_float_controls2 on nvk
+VK_EXT_device_generated_commands on nvk

src/nouveau/vulkan/nvk_physical_device.c

@@ -28,6 +28,7 @@
 
 #include <sys/sysmacros.h>
 
+#include "nv_push.h"
 #include "cl90c0.h"
 #include "cl91c0.h"
 #include "cla097.h"
@@ -191,6 +192,7 @@ nvk_get_device_extensions(const struct nvk_instance *instance,
       .EXT_depth_range_unrestricted = info->cls_eng3d >= VOLTA_A,
       .EXT_descriptor_buffer = true,
       .EXT_descriptor_indexing = true,
+      .EXT_device_generated_commands = true,
 #ifdef VK_USE_PLATFORM_DISPLAY_KHR
       .EXT_display_control = true,
 #endif
@@ -515,6 +517,10 @@ nvk_get_device_features(const struct nv_device_info *info,
       .descriptorBufferImageLayoutIgnored = true,
       .descriptorBufferPushDescriptors = false,
 
+      /* VK_EXT_device_generated_commands */
+      .deviceGeneratedCommands = true,
+      .dynamicGeneratedPipelineLayout = true,
+
       /* VK_EXT_dynamic_rendering_unused_attachments */
       .dynamicRenderingUnusedAttachments = true,
 
@@ -962,6 +968,25 @@ nvk_get_device_properties(const struct nvk_instance *instance,
       .resourceDescriptorBufferAddressSpaceSize = UINT32_MAX,
       .descriptorBufferAddressSpaceSize = UINT32_MAX,
 
+      /* VK_EXT_device_generated_commands */
+      .maxIndirectPipelineCount = UINT32_MAX,
+      .maxIndirectShaderObjectCount = UINT32_MAX,
+      .maxIndirectSequenceCount = 1 << 20,
+      .maxIndirectCommandsTokenCount = 16,
+      .maxIndirectCommandsTokenOffset = 2047,
+      .maxIndirectCommandsIndirectStride = 1 << 12,
+      .supportedIndirectCommandsInputModes =
+         VK_INDIRECT_COMMANDS_INPUT_MODE_VULKAN_INDEX_BUFFER_EXT |
+         VK_INDIRECT_COMMANDS_INPUT_MODE_DXGI_INDEX_BUFFER_EXT,
+      .supportedIndirectCommandsShaderStages =
+         NVK_SHADER_STAGE_GRAPHICS_BITS | VK_SHADER_STAGE_COMPUTE_BIT,
+      .supportedIndirectCommandsShaderStagesPipelineBinding =
+         NVK_SHADER_STAGE_GRAPHICS_BITS | VK_SHADER_STAGE_COMPUTE_BIT,
+      .supportedIndirectCommandsShaderStagesShaderBinding =
+         NVK_SHADER_STAGE_GRAPHICS_BITS | VK_SHADER_STAGE_COMPUTE_BIT,
+      .deviceGeneratedCommandsTransformFeedback = true,
+      .deviceGeneratedCommandsMultiDrawIndirectCount = true,
+
       /* VK_EXT_extended_dynamic_state3 */
       .dynamicPrimitiveTopologyUnrestricted = true,