diff --git a/.gitignore b/.gitignore
index 3ef0a7d..45c8290 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,7 @@ Release/
 MinSizeRel/
 CMakeSettings.json
 compile_commands.json
+runme
+res
+
+*.log
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 49b84ed..08923e4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -146,10 +146,6 @@ if(ENGINE_BUILD_OPENGL)
 endif()
 
 if(ENGINE_BUILD_VULKAN)
-
-	include(FindVulkan)
-	find_package(Vulkan COMPONENTS shaderc_combined)
-
 	# Volk
 	set(VOLK_STATIC_DEFINES "")
 	set(VOLK_PULL_IN_VULKAN ON)
@@ -163,7 +159,13 @@ if(ENGINE_BUILD_VULKAN)
 
 	# shaderc
 	
-	target_link_libraries(${PROJECT_NAME} PRIVATE Vulkan::shaderc_combined)
+	if (MSVC)
+		include(FindVulkan)
+		find_package(Vulkan COMPONENTS shaderc_combined)
+		target_link_libraries(${PROJECT_NAME} PRIVATE Vulkan::shaderc_combined)
+	else()
+		target_link_libraries(${PROJECT_NAME} PRIVATE shaderc_shared)
+	endif()
 
 endif()
 
@@ -207,4 +209,4 @@ target_link_libraries(${PROJECT_NAME} PRIVATE freetype)
 target_include_directories(${PROJECT_NAME} PRIVATE dependencies/freetype/include)
 
 # stb
-target_include_directories(${PROJECT_NAME} PRIVATE dependencies/stb)
\ No newline at end of file
+target_include_directories(${PROJECT_NAME} PRIVATE dependencies/stb)
diff --git a/src/gfx_device_vulkan.cpp b/src/gfx_device_vulkan.cpp
index 54c6e8e..18fd570 100644
--- a/src/gfx_device_vulkan.cpp
+++ b/src/gfx_device_vulkan.cpp
@@ -166,7 +166,7 @@ namespace engine {
 
 		options.SetSourceLanguage(shaderc_source_language_glsl);
 		options.SetTargetEnvironment(shaderc_target_env_vulkan, shaderc_env_version_vulkan_1_3);
-		options.SetOptimizationLevel(shaderc_optimization_level_size);
+		options.SetOptimizationLevel(shaderc_optimization_level_zero);
 		options.SetTargetSpirv(shaderc_spirv_version_1_6);
 		options.SetAutoBindUniforms(false);
 
@@ -175,27 +175,26 @@ namespace engine {
 
 		if (preprocessed.GetCompilationStatus() != shaderc_compilation_status_success)
 		{
-			throw std::runtime_error(preprocessed.GetErrorMessage());
+			throw std::runtime_error("PREPROCESS ERR " + preprocessed.GetErrorMessage());
 		}
 
-
-
-		std::string shaderStr = { preprocessed.cbegin(), preprocessed.cend() };
+		std::string shaderStr{preprocessed.cbegin(), preprocessed.cend()};
 
 		// compile
-		shaderc::SpvCompilationResult module = compiler.CompileGlslToSpv(shaderStr.data(), kind, filename, options);
+		shaderc::SpvCompilationResult compiledShader = compiler.CompileGlslToSpv(shaderStr.c_str(), kind, filename, options);
 
-		if (module.GetCompilationStatus() != shaderc_compilation_status_success)
+
+		if (compiledShader.GetCompilationStatus() != shaderc_compilation_status_success)
 		{
-			throw std::runtime_error(module.GetErrorMessage());
+			throw std::runtime_error("COMPILE ERR " + compiledShader.GetErrorMessage());
 		}
 
-		std::vector<uint32_t> shaderBytecode = { module.cbegin(), module.cend() };// not sure why sample code copy vector like this
+		std::vector<uint32_t> shaderBytecode = { compiledShader.cbegin(), compiledShader.cend() };// not sure why sample code copy vector like this
 
 		VkShaderModuleCreateInfo createInfo{};
 		createInfo.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
 		createInfo.codeSize = shaderBytecode.size() * sizeof(uint32_t);
-		createInfo.pCode = module.cbegin();
+		createInfo.pCode = compiledShader.cbegin();
 
 		VkShaderModule shaderModule;
 		if (vkCreateShaderModule(device, &createInfo, nullptr, &shaderModule) != VK_SUCCESS) {
@@ -216,6 +215,7 @@ namespace engine {
 		file.seekg(0);
 		file.read(buffer.data(), buffer.size());
 		file.close();
+
 		return buffer;
 	}
 
diff --git a/test/res/shader.frag b/test/res/shader.frag
index 12bab86..0da7da9 100644
--- a/test/res/shader.frag
+++ b/test/res/shader.frag
@@ -35,4 +35,5 @@ void main() {
 	
 	vec3 lighting = min(diffuse + ambient + specular, 1.0);
 	outColor = min( ( vec4(baseColor, 1.0) ) * vec4(lighting + emission, 1.0), vec4(1.0));
-}
\ No newline at end of file
+}
+