- add vulkan renderstate and shadermanager classes

src/rendering/vulkan/shaders/vk_shader.cpp

@@ -0,0 +1,32 @@
+
+#include "vk_shader.h"
+#include "vulkan/system/vk_builders.h"
+#include <ShaderLang.h>
+
+VkShaderManager::VkShaderManager()
+{
+	ShInitialize();
+
+#if 0
+	{
+		const char *lumpName = "shaders/glsl/screenquad.vp";
+		int lump = Wads.CheckNumForFullName(lumpName, 0);
+		if (lump == -1) I_FatalError("Unable to load '%s'", lumpName);
+		FString code = Wads.ReadLump(lump).GetString().GetChars();
+
+		FString patchedCode;
+		patchedCode.AppendFormat("#version %d\n", 450);
+		patchedCode << "#line 1\n";
+		patchedCode << code;
+
+		ShaderBuilder builder;
+		builder.setVertexShader(patchedCode);
+		auto shader = builder.create(dev);
+	}
+#endif
+}
+
+VkShaderManager::~VkShaderManager()
+{
+	ShFinalize();
+}