vk: Prebuild base interpreter variants

rpcs3/Emu/RSX/VK/VKGSRender.cpp

@@ -1237,6 +1237,16 @@ void VKGSRender::on_init_thread()
 	GSRender::on_init_thread();
 	zcull_ctrl.reset(static_cast<::rsx::reports::ZCULL_control*>(this));
 
+	if (g_cfg.video.shadermode == shader_mode::async_with_interpreter ||
+		g_cfg.video.shadermode == shader_mode::interpreter_only)
+	{
+		std::unique_ptr<rsx::shader_loading_dialog> dlg = m_overlay_manager
+			? std::make_unique<rsx::shader_loading_dialog_native>(this)
+			: std::make_unique<rsx::shader_loading_dialog>();
+		m_shader_interpreter.preload(dlg.get());
+		dlg->close();
+	}
+
 	if (!m_overlay_manager)
 	{
 		m_frame->hide();

rpcs3/Emu/RSX/VK/VKShaderInterpreter.cpp

@@ -4,11 +4,13 @@
 #include "VKCommonPipelineLayout.h"
 #include "VKVertexProgram.h"
 #include "VKFragmentProgram.h"
+#include "VKHelpers.h"
+#include "VKRenderPass.h"
+
+#include "../Overlays/Shaders/shader_loading_dialog.h"
 #include "../Program/GLSLCommon.h"
 #include "../Program/ShaderInterpreter.h"
 #include "../rsx_methods.h"
-#include "VKHelpers.h"
-#include "VKRenderPass.h"
 
 namespace vk
 {
@@ -574,4 +576,26 @@ namespace vk
 		auto it = m_pipeline_info_cache.insert_or_assign(compiler_opt, result);
 		return &it.first->second;
 	}
+
+	void shader_interpreter::preload(rsx::shader_loading_dialog* dlg)
+	{
+		dlg->create("Precompiling interpreter variants.\nPlease wait...", "Shader Compilation");
+
+		const auto variants = program_common::interpreter::get_interpreter_variants();
+		const u32 limit = ::size32(variants);
+		dlg->set_limit(0, limit);
+		dlg->set_limit(1, 1);
+
+		u32 ctr = 0;
+		for (auto& variant : variants)
+		{
+			build_fs(variant.first | variant.second);
+			build_vs(variant.first | variant.second);
+			dlg->update_msg(0, fmt::format("Building variant %u of %u...", ++ctr, limit));
+			dlg->inc_value(0, 1);
+		}
+
+		dlg->inc_value(1, 1);
+		dlg->refresh();
+	}
 };

rpcs3/Emu/RSX/VK/VKShaderInterpreter.h

@@ -8,6 +8,11 @@
 class VKVertexProgram;
 class VKFragmentProgram;
 
+namespace rsx
+{
+	struct shader_loading_dialog;
+}
+
 namespace vk
 {
 	using ::program_hash_util::fragment_program_utils;
@@ -70,6 +75,8 @@ namespace vk
 		void init(const vk::render_device& dev);
 		void destroy();
 
+		void preload(rsx::shader_loading_dialog* dlg);
+
 		glsl::program* get(
 			const vk::pipeline_props& properties,
 			const program_hash_util::fragment_program_utils::fragment_program_metadata& fp_metadata,