Added shader compilation to cmake

CMakeLists.txt

@@ -7,9 +7,47 @@ set(GLFW_USE_WAYLAND ON)
 find_package(Vulkan REQUIRED)
 find_package(glfw3 3.3 REQUIRED)
 
+# Suche nach dem glslc Compiler
+find_program(GLSLC glslc)
+if(NOT GLSLC)
+    message(FATAL_ERROR "glslc compiler not found. Please install the Vulkan SDK.")
+endif()
+
+# Alle Shader-Dateien im Verzeichnis ./shaders sammeln
+file(GLOB SHADER_FILES
+        "${CMAKE_CURRENT_SOURCE_DIR}/shaders/*.vert"
+        "${CMAKE_CURRENT_SOURCE_DIR}/shaders/*.frag"
+)
+
+set(SPIRV_SHADERS "")
+foreach(SHADER ${SHADER_FILES})
+    # Dateiname extrahieren
+    get_filename_component(SHADER_NAME ${SHADER} NAME)
+    # Zielpfad für die kompilierten Shader im Build-Verzeichnis
+    set(SPIRV "${CMAKE_CURRENT_BINARY_DIR}/shaders/${SHADER_NAME}.spv")
+
+    # Custom Command zum Kompilieren des Shaders
+    add_custom_command(
+            OUTPUT ${SPIRV}
+            COMMAND ${GLSLC} ${SHADER} -o ${SPIRV}
+            DEPENDS ${SHADER}
+            COMMENT "Compiling ${SHADER_NAME}"
+    )
+
+    list(APPEND SPIRV_SHADERS ${SPIRV})
+endforeach()
+
+# Custom Target, das alle Shader kompiliert
+add_custom_target(compile_shaders ALL DEPENDS ${SPIRV_SHADERS})
+
+# Das eigentliche Executable
 add_executable(vulkan_test
         main.cpp
         vulkan/vulkan_app.cpp
-        vulkan/vulkan_app.hpp)
+        vulkan/vulkan_app.hpp
+)
 
 target_link_libraries(vulkan_test PRIVATE Vulkan::Vulkan glfw)
+
+# Sicherstellen, dass die Shader vor dem Bauen des Executables kompiliert werden
+add_dependencies(vulkan_test compile_shaders)

shaders/compile.sh

@@ -1,2 +1,2 @@
-glslc shader.vert -o vert.spv
-glslc shader.frag -o frag.spv
+glslc shader.vert -o shader.vert.spv
+glslc shader.frag -o shader.frag.spv

shaders/shader.vert

@@ -9,7 +9,7 @@ vec2 positions[3] = vec2[](
 );
 
 vec3 colors[3] = vec3[](
-    vec3(1.0, 0.0, 0.0),
+    vec3(0.0, 1.0, 1.0),
     vec3(0.0, 1.0, 0.0),
     vec3(0.0, 0.0, 1.0)
 );

vulkan/vulkan_app.cpp

@@ -430,13 +430,13 @@ void Vulkan::createGraphicsPipeline(){
     std::vector<char> vertShaderCode;
     std::vector<char> fragShaderCode;
     try{
-        vertShaderCode = readFile("shaders/vert.spv");
-        fragShaderCode = readFile("shaders/frag.spv");
+        vertShaderCode = readFile("shaders/shader.vert.spv");
+        fragShaderCode = readFile("shaders/shader.frag.spv");
     }
     catch(std::exception e){
         std::cout << "Failed to read ./shaders/...\nTrying fallback folders!\n";
-        vertShaderCode = readFile("../shaders/vert.spv");
-        fragShaderCode = readFile("../shaders/frag.spv");
+        vertShaderCode = readFile("../shaders/shader.vert.spv");
+        fragShaderCode = readFile("../shaders/shader.frag.spv");
     }
 
     VkShaderModule vertShaderModule = createShaderModule(vertShaderCode);
@@ -687,7 +687,7 @@ void Vulkan::recordCommandBuffer(VkCommandBuffer commandBuffer, uint32_t imageIn
     renderPassInfo.renderArea.offset = { 0, 0 };
     renderPassInfo.renderArea.extent = swapChainExtent;
 
-    VkClearValue clearColor = {{{0.0f, 0.0f, 0.0f, 1.0f}}}; // Background color after clear (Black 100%)
+    VkClearValue clearColor = {{{0.01f, 0.01f, 0.01f, 1.0f}}}; // Background color after clear (Black 100%)
     renderPassInfo.clearValueCount = 1;
     renderPassInfo.pClearValues = &clearColor;