change build system to CMake and use SDL3 for everything

CMakeLists.txt

@@ -0,0 +1,53 @@
+cmake_minimum_required(VERSION 3.25)
+
+project(mikemon VERSION 0.1 LANGUAGES CXX C)
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_C_EXTENSIONS OFF)
+set(CMAKE_CXX_STANDARD 20)
+set(CMAKE_CXX_EXTENSIONS OFF)
+set(CMAKE_COMPILE_WARNING_AS_ERROR ON)
+
+# SDL
+set(SDL_SHARED OFF)
+set(SDL_STATIC ON)
+add_subdirectory(libs/SDL3)
+
+# Shaders
+find_program(SLANGC 
+    NAMES slangc
+    PATHS /opt/shader-slang-bin/bin
+)
+
+function(add_shader name)
+    set(INPUT_FILE  ${CMAKE_CURRENT_SOURCE_DIR}/assets/shader/${name}.slang)
+    set(OUTPUT_FILE ${CMAKE_CURRENT_SOURCE_DIR}/assets/shader/${name}.h)
+
+    if (SLANGC)
+        add_custom_command(
+            OUTPUT ${OUTPUT_FILE}
+            COMMAND ${SLANGC} ${INPUT_FILE} -g3 -O0 -emit-spirv-via-glsl -entry main -target spirv -profile glsl_330 -o ${OUTPUT_FILE} -source-embed-style u8 -source-embed-name SPIRV_${name}
+            DEPENDS ${INPUT_FILE}
+        )
+    endif()
+
+    add_custom_target(${name}
+        DEPENDS ${OUTPUT_FILE}
+    )
+endfunction()
+
+add_shader(basic_vertex_shader)
+add_shader(basic_pixel_shader)
+
+add_executable(mikemon
+    src/log.cpp
+    src/load_entire_file.cpp
+    src/main.cpp
+)
+target_link_libraries(mikemon
+    PRIVATE
+        SDL3::SDL3
+)
+add_dependencies(mikemon 
+    basic_vertex_shader
+    basic_pixel_shader
+)