tu: Add info about debug options to command buffer tracepoint

That way it's much easier to understand which debug options
are applied to specific process.

Signed-off-by: Danylo Piliaiev <dpiliaiev@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33491>

src/freedreno/ir3/ir3_compiler.c

@@ -362,3 +362,9 @@ ir3_get_compiler_options(struct ir3_compiler *compiler)
 {
    return &compiler->nir_options;
 }
+
+const char *
+ir3_shader_debug_as_string()
+{
+   return debug_dump_flags(shader_debug_options, ir3_shader_debug);
+}

src/freedreno/ir3/ir3_compiler.h

@@ -428,6 +428,10 @@ ir3_shader_debug_hash_key()
         IR3_DBG_SHADER_INTERNAL | IR3_DBG_SCHEDMSGS | IR3_DBG_RAMSGS));
 }
 
+/* Returns a pointer to internal static tmp buffer. */
+const char *
+ir3_shader_debug_as_string(void);
+
 ENDC;
 
 #endif /* IR3_COMPILER_H_ */

src/freedreno/vulkan/tu_cmd_buffer.cc

@@ -2678,7 +2678,11 @@ tu_BeginCommandBuffer(VkCommandBuffer commandBuffer,
 
    /* setup initial configuration into command buffer */
    if (cmd_buffer->vk.level == VK_COMMAND_BUFFER_LEVEL_PRIMARY) {
-      trace_start_cmd_buffer(&cmd_buffer->trace, &cmd_buffer->cs, cmd_buffer);
+      if (u_trace_enabled(&cmd_buffer->device->trace_context)) {
+         trace_start_cmd_buffer(&cmd_buffer->trace, &cmd_buffer->cs,
+                                cmd_buffer, tu_env_debug_as_string(),
+                                ir3_shader_debug_as_string());
+      }
 
       switch (cmd_buffer->queue_family_index) {
       case TU_QUEUE_GENERAL:
@@ -2691,8 +2695,13 @@ tu_BeginCommandBuffer(VkCommandBuffer commandBuffer,
       const bool pass_continue =
          pBeginInfo->flags & VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT;
 
-      trace_start_cmd_buffer(&cmd_buffer->trace,
-            pass_continue ? &cmd_buffer->draw_cs : &cmd_buffer->cs, cmd_buffer);
+      if (u_trace_enabled(&cmd_buffer->device->trace_context)) {
+         trace_start_cmd_buffer(
+            &cmd_buffer->trace,
+            pass_continue ? &cmd_buffer->draw_cs : &cmd_buffer->cs,
+            cmd_buffer, tu_env_debug_as_string(),
+            ir3_shader_debug_as_string());
+      }
 
       assert(pBeginInfo->pInheritanceInfo);
 

src/freedreno/vulkan/tu_tracepoints.py

@@ -69,7 +69,9 @@ def begin_end_tp(name, args=[], tp_struct=None, tp_print=None,
                tp_markers='tu_cs_trace_end' if marker_tp else None)
 
 begin_end_tp('cmd_buffer',
-    args=[ArgStruct(type='const struct tu_cmd_buffer *', var='cmd')],
+    args=[ArgStruct(type='const struct tu_cmd_buffer *', var='cmd'),
+          Arg(type='str',                       var='TUdebugFlags', c_format='%s', length_arg='96', copy_func='strncpy'),
+          Arg(type='str',                       var='IR3debugFlags', c_format='%s', length_arg='96', copy_func='strncpy')],
     tp_struct=[Arg(type='const char *',         name='appName',              var='cmd->device->instance->vk.app_info.app_name', c_format='%s'),
                Arg(type='const char *',         name='engineName',           var='cmd->device->instance->vk.app_info.engine_name', c_format='%s'),
                Arg(type='VkCommandBufferLevel', name='level',                var='cmd->vk.level', c_format='%s', to_prim_type='vk_CommandBufferLevel_to_str({})'),

src/freedreno/vulkan/tu_util.cc

@@ -153,6 +153,16 @@ tu_env_init(void)
    call_once(&once, tu_env_init_once);
 }
 
+const char *
+tu_env_debug_as_string(void)
+{
+   static thread_local char debug_string[96];
+   dump_debug_control_string(debug_string, sizeof(debug_string),
+                             tu_debug_options,
+                             tu_env.debug.load(std::memory_order_acquire));
+   return debug_string;
+}
+
 void PRINTFLIKE(3, 4)
    __tu_finishme(const char *file, int line, const char *format, ...)
 {

src/freedreno/vulkan/tu_util.h

@@ -82,6 +82,10 @@ extern struct tu_env tu_env;
 void
 tu_env_init(void);
 
+/* Returns a pointer to the internal static tmp buffer, do not free. */
+const char *
+tu_env_debug_as_string(void);
+
 /* Whenever we generate an error, pass it through this function. Useful for
  * debugging, where we can break on it. Only call at error site, not when
  * propagating errors. Might be useful to plug in a stack trace here.