replace SDL_GPU renderer with wgpu

CMakeLists.txt

@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.25)
 
 project(mikemon VERSION 0.1 LANGUAGES CXX C)
-set(CMAKE_C_STANDARD 11)
+set(CMAKE_C_STANDARD 23)
 set(CMAKE_C_EXTENSIONS OFF)
 set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_EXTENSIONS OFF)
@@ -13,6 +13,9 @@ set(SDL_SHARED OFF)
 set(SDL_STATIC ON)
 add_subdirectory(libs/SDL3)
 
+# wgpu
+add_subdirectory(libs/wgpu)
+
 # SDL_mixer
 set(BUILD_SHARED_LIBS ${SDL_SHARED})
 set(SDLMIXER_DEPS_SHARED OFF)
@@ -36,19 +39,14 @@ add_library(imgui STATIC
     libs/imgui/imgui_tables.cpp
     libs/imgui/imgui_widgets.cpp
     libs/imgui/backends/imgui_impl_sdl3.cpp
-    libs/imgui/backends/imgui_impl_sdlgpu3.cpp
+    libs/imgui/backends/imgui_impl_wgpu.cpp
 )
 target_include_directories(imgui PUBLIC
     libs/imgui
     libs/imgui/backends
 )
-target_link_libraries(imgui PRIVATE SDL3::SDL3)
-
-# Shaders
-find_program(SLANGC 
-    NAMES slangc
-    PATHS /opt/shader-slang-bin/bin
-)
+target_link_libraries(imgui PRIVATE SDL3::SDL3 wgpu)
+target_compile_definitions(imgui PRIVATE IMGUI_IMPL_WEBGPU_BACKEND_WGPU=1)
 
 # stb_image
 add_library(stb_image STATIC libs/stb/stb_image.c)
@@ -58,39 +56,11 @@ target_include_directories(stb_image INTERFACE libs/stb)
 option(TRACY_ONLY_LOCALHOST "" ON)
 add_subdirectory(libs/tracy)
 
-function(add_shader name)
-    set(INPUT_FILE  ${CMAKE_CURRENT_SOURCE_DIR}/src/shaders/${name}.slang)
-    set(OUTPUT_FILE ${CMAKE_CURRENT_SOURCE_DIR}/src/shaders/${name}.h)
-    set(DEP_FILE    ${CMAKE_CURRENT_BINARY_DIR}/SHADER_${name}.dep)
-
-    if (SLANGC)
-        if (CMAKE_BUILD_TYPE STREQUAL "Debug")
-            set(SLANG_FLAGS -g3 -O0)
-        else()
-            set(SLANG_FLAGS -O3)
-        endif()
-
-        add_custom_command(
-            OUTPUT ${OUTPUT_FILE}
-            COMMAND ${SLANGC} -target spirv -validate-uniformity -o ${OUTPUT_FILE} -depfile ${DEP_FILE} -source-embed-style u8 -source-embed-name SPIRV_${name} ${SLANG_FLAGS} -- ${INPUT_FILE}
-            DEPFILE ${DEP_FILE}
-        )
-    endif()
-
-    add_custom_target(SHADER_${name}
-        DEPENDS ${OUTPUT_FILE}
-    )
-endfunction()
-
-add_shader(basic)
-add_shader(world)
-add_shader(gui_tile)
-add_shader(grid)
-
 add_executable(mikemon
     src/log.cpp
     src/smol-atlas.cpp
     src/math_graphics.cpp
+    src/shaders/shaders.c
     src/main.cpp
 )
 target_link_libraries(mikemon
@@ -100,10 +70,5 @@ target_link_libraries(mikemon
         stb_image
         imgui
         TracyClient
-)
-add_dependencies(mikemon
-    SHADER_basic
-    SHADER_world
-    SHADER_gui_tile
-    SHADER_grid
+        wgpu
 )