make shaders be compiled by cmake instead of a script

CMakeLists.txt

@@ -89,6 +89,29 @@ target_include_directories(stb_image INTERFACE libs/stb)
 option(TRACY_ONLY_LOCALHOST "" ON)
 add_subdirectory(libs/tracy)
 
+# shaders
+find_program(SLANGC_EXECUTABLE slangc)
+set(SHADERS_SPV  "")
+set(SHADERS_WGSL "")
+
+function(add_shader name)
+    if(SLANGC_EXECUTABLE)
+        add_custom_command(OUTPUT "${CMAKE_CURRENT_SOURCE_DIR}/src/shaders/spirv/${name}.spv" DEPFILE "${CMAKE_CURRENT_BINARY_DIR}/${name}-spv.dep"  COMMAND "${SLANGC_EXECUTABLE}" -depfile "${CMAKE_CURRENT_BINARY_DIR}/${name}-spv.dep"  "${CMAKE_CURRENT_SOURCE_DIR}/src/shaders/src/${name}.slang" -o "${CMAKE_CURRENT_SOURCE_DIR}/src/shaders/spirv/${name}.spv" -target spirv -profile spirv_1_0)
+        add_custom_command(OUTPUT "${CMAKE_CURRENT_SOURCE_DIR}/src/shaders/wgsl/${name}.wgsl" DEPFILE "${CMAKE_CURRENT_BINARY_DIR}/${name}-wgsl.dep" COMMAND "${SLANGC_EXECUTABLE}" -depfile "${CMAKE_CURRENT_BINARY_DIR}/${name}-wgsl.dep" "${CMAKE_CURRENT_SOURCE_DIR}/src/shaders/src/${name}.slang" -o "${CMAKE_CURRENT_SOURCE_DIR}/src/shaders/wgsl/${name}.wgsl" -target wgsl  -D__wgsl__)
+    endif()
+
+    set(SHADERS_SPV  ${SHADERS_SPV}  "${CMAKE_CURRENT_SOURCE_DIR}/src/shaders/spirv/${name}.spv" PARENT_SCOPE)
+    set(SHADERS_WGSL ${SHADERS_WGSL} "${CMAKE_CURRENT_SOURCE_DIR}/src/shaders/wgsl/${name}.wgsl" PARENT_SCOPE)
+endfunction()
+
+add_shader(basic)
+add_shader(world)
+add_shader(grid)
+
+add_custom_target(shaders-spv  DEPENDS ${SHADERS_SPV})
+add_custom_target(shaders-wgsl DEPENDS ${SHADERS_WGSL})
+
+# game
 add_executable(mikemon
     src/smol-atlas.cpp
     src/change_directory.c
@@ -106,6 +129,7 @@ target_link_libraries(mikemon
         TracyClient
         wgpu
 )
+add_dependencies(mikemon shaders-wgsl)
 
 add_executable(mikemon-sdlgpu
     src/smol-atlas.cpp
@@ -124,3 +148,4 @@ target_link_libraries(mikemon-sdlgpu
         TracyClient
         wgpu
 )
+add_dependencies(mikemon-sdlgpu shaders-spv)