feat: added shader compilation to cmakelist

CMakeLists.txt

@@ -10,6 +10,20 @@ add_compile_definitions(WITH_VALIDATION_LAYERS)
 set(CMAKE_BUILD_TYPE Debug)
 
 FILE(GLOB_RECURSE CXX_SOURCES src/*.cpp)
+FILE(GLOB_RECURSE GLSL_SOURCE_FILES shaders/**.frag shaders/**.vert)
+
+foreach(GLSL ${GLSL_SOURCE_FILES})
+    get_filename_component(FILE_NAME "${GLSL}" NAME)
+    set(SPV_FILE "${PROJECT_BINARY_DIR}/shaders/${FILE_NAME}.spv")
+    add_custom_command(OUTPUT ${SPV_FILE}
+            COMMAND ${CMAKE_COMMAND} -E make_directory "${PROJECT_BINARY_DIR}/shaders/"
+            COMMAND glslc ${GLSL} -g -o ${SPV_FILE}
+            DEPENDS ${GLSL}
+            COMMENT "Rebuilding ${SPV_FILE}")
+    list(APPEND SPIRV_BINARY_KERNELS ${SPV_FILE})
+endforeach()
+add_custom_target(shaders DEPENDS ${SPIRV_BINARY_KERNELS})
 
 add_executable(VulkanTest ${CXX_SOURCES})
-target_link_libraries(VulkanTest glfw vulkan)
+add_dependencies(VulkanTest shaders)
+target_link_libraries(VulkanTest glfw vulkan)

src/HelloTriangleApplication.cpp

@@ -9,7 +9,6 @@
 #include <vector>
 
 #define GLFW_INCLUDE_VULKAN
-
 #include <GLFW/glfw3.h>
 
 #include "queues.h"
@@ -154,8 +153,8 @@ void HelloTriangleApplication::createGraphicsPipeline() {
     std::vector<char> vertShaderCode;
     std::vector<char> fragShaderCode;
 
-    readFile("shaders/vert.spv", &vertShaderCode);
-    readFile("shaders/frag.spv", &fragShaderCode);
+    readFile("shaders/shader.vert.spv", &vertShaderCode);
+    readFile("shaders/shader.frag.spv", &fragShaderCode);
 
     VkShaderModule vertShaderModule = createShaderModule(vertShaderCode);
     VkShaderModule fragShaderModule = createShaderModule(fragShaderCode);

src/HelloTriangleApplication.h

@@ -62,7 +62,6 @@ private:
     void cleanup();
 
     // utility functions
-    std::vector<const char*> getRequiredExtensions();
     VkShaderModule createShaderModule(const std::vector<char> &code);
 
 };

src/util.cpp

@@ -4,12 +4,9 @@
 
 #include "util.h"
 #include <fstream>
-#include <filesystem>
 
 void readFile(const std::string& filename, std::vector<char>* target) {
-    auto actualPath = std::filesystem::path("..") / filename;
-
-    std::ifstream file(actualPath.string(), std::ios::ate | std::ios::binary);
+    std::ifstream file(filename, std::ios::ate | std::ios::binary);
 
     if (!file.is_open()) {
         throw std::runtime_error("failed to open file");