Mesa (main): vulkan/cmd_queue: Generate enqueue entrypoints

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Module: Mesa
Branch: main
Commit: 719b949575dabfddd56bedbffb7a188555401a31
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=719b949575dabfddd56bedbffb7a188555401a31

Author: Jason Ekstrand <jason.ekstrand at collabora.com>
Date:   Tue Mar  8 16:45:55 2022 -0600

vulkan/cmd_queue: Generate enqueue entrypoints

Reviewed-by: Boris Brezillon <boris.brezillon at collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15311>

---

 src/vulkan/runtime/meson.build      | 15 ++++++++++++++-
 src/vulkan/runtime/vk_device.h      |  6 ++++++
 src/vulkan/util/vk_cmd_queue_gen.py | 28 ++++++++++++++++++++++++++++
 3 files changed, 48 insertions(+), 1 deletion(-)

diff --git a/src/vulkan/runtime/meson.build b/src/vulkan/runtime/meson.build
index b9c4ed759c1..b1fbef54deb 100644
--- a/src/vulkan/runtime/meson.build
+++ b/src/vulkan/runtime/meson.build
@@ -108,6 +108,18 @@ vk_cmd_queue = custom_target(
   depend_files : vk_cmd_queue_gen_depend_files,
 )
 
+vk_cmd_enqueue_entrypoints = custom_target(
+  'vk_cmd_enqueue_entrypoints',
+  input : [vk_entrypoints_gen, vk_api_xml],
+  output : ['vk_cmd_enqueue_entrypoints.h', 'vk_cmd_enqueue_entrypoints.c'],
+  command : [
+    prog_python, '@INPUT0@', '--xml', '@INPUT1@', '--proto', '--weak',
+    '--out-h', '@OUTPUT0@', '--out-c', '@OUTPUT1@',
+    '--prefix', 'vk_cmd_enqueue',
+  ],
+  depend_files : vk_entrypoints_gen_depend_files,
+)
+
 vk_dispatch_trampolines = custom_target(
   'vk_dispatch_trampolines',
   input : [vk_dispatch_trampolines_gen, vk_api_xml],
@@ -132,7 +144,8 @@ vk_physical_device_features = custom_target(
 
 libvulkan_runtime = static_library(
   'vulkan_runtime',
-  [vulkan_runtime_files, vk_common_entrypoints, vk_cmd_queue,
+  [vulkan_runtime_files, vk_common_entrypoints,
+   vk_cmd_queue, vk_cmd_enqueue_entrypoints,
    vk_dispatch_trampolines, vk_physical_device_features],
   include_directories : [inc_include, inc_src, inc_gallium],
   dependencies : vulkan_runtime_deps,
diff --git a/src/vulkan/runtime/vk_device.h b/src/vulkan/runtime/vk_device.h
index a74d4a06cc9..9dced009cc8 100644
--- a/src/vulkan/runtime/vk_device.h
+++ b/src/vulkan/runtime/vk_device.h
@@ -45,6 +45,12 @@ struct vk_device {
 
    struct vk_device_dispatch_table dispatch_table;
 
+   /** Command dispatch table
+    *
+    * This is used for emulated secondary command buffer support.
+    */
+   const struct vk_device_dispatch_table *command_dispatch_table;
+
    /* For VK_EXT_private_data */
    uint32_t private_data_next_index;
 
diff --git a/src/vulkan/util/vk_cmd_queue_gen.py b/src/vulkan/util/vk_cmd_queue_gen.py
index 2911eae34a0..8e4312846ca 100644
--- a/src/vulkan/util/vk_cmd_queue_gen.py
+++ b/src/vulkan/util/vk_cmd_queue_gen.py
@@ -185,6 +185,8 @@ TEMPLATE_C = Template(COPYRIGHT + """
 #include <vulkan/vulkan.h>
 
 #include "vk_alloc.h"
+#include "vk_cmd_enqueue_entrypoints.h"
+#include "vk_command_buffer.h"
 
 const char *vk_cmd_queue_type_names[] = {
 % for c in commands:
@@ -272,6 +274,32 @@ vk_free_queue(struct vk_cmd_queue *queue)
    }
 }
 
+% for c in commands:
+% if c.name in manual_commands:
+/* TODO: Generate vk_cmd_enqueue_${c.name}() */
+<% continue %>
+% endif
+
+% if c.guard is not None:
+#ifdef ${c.guard}
+% endif
+<% assert c.return_type == 'void' %>
+VKAPI_ATTR void VKAPI_CALL
+vk_cmd_enqueue_${c.name}(${c.decl_params()})
+{
+   VK_FROM_HANDLE(vk_command_buffer, cmd_buffer, commandBuffer);
+
+% if len(c.params) == 1:
+   vk_enqueue_${to_underscore(c.name)}(&cmd_buffer->cmd_queue);
+% else:
+   vk_enqueue_${to_underscore(c.name)}(&cmd_buffer->cmd_queue,
+                                       ${c.call_params(1)});
+% endif
+}
+% if c.guard is not None:
+#endif // ${c.guard}
+% endif
+% endfor
 """, output_encoding='utf-8')
 
 def remove_prefix(text, prefix):