build: Finalize WebGPU integration and platform fixes

Includes correct CMake configuration for GLFW native access, Objective-C++ compilation for the helper library on macOS, and applies clang-format to modified sources.

5 files changed, 60 insertions, 27 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1238a8a..69e51c6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,18 @@
 cmake_minimum_required(VERSION 3.16)
 project(demo64k LANGUAGES C CXX)
 
+if(APPLE)
+    add_definitions(-DGLFW_EXPOSE_NATIVE_COCOA)
+elseif(WIN32)
+    add_definitions(-DGLFW_EXPOSE_NATIVE_WIN32)
+elseif(UNIX)
+    if(DEFINED CMAKE_USE_WAYLAND)
+        add_definitions(-DGLFW_EXPOSE_NATIVE_WAYLAND)
+    else()
+        add_definitions(-DGLFW_EXPOSE_NATIVE_X11)
+    endif()
+endif()
+
 option(DEMO_SIZE_OPT "Enable size optimization flags" OFF)
 option(DEMO_STRIP_ALL "Strip all unnecessary code for final build" OFF)
 
@@ -29,7 +41,11 @@ set(DEMO_LIBS glfw ${WGPU_LIBRARY})
 
 # Platform-specific dependencies
 if (APPLE)
-    set_source_files_properties(src/platform.cc PROPERTIES COMPILE_FLAGS "-x objective-c++")
+    set_source_files_properties(
+        src/platform.cc 
+        third_party/glfw3webgpu/glfw3webgpu.c
+        PROPERTIES COMPILE_FLAGS "-x objective-c++"
+    )
     list(APPEND DEMO_LIBS
         "-framework Metal"
         "-framework Foundation"
diff --git a/src/audio/synth.cc b/src/audio/synth.cc
index 77a0d05..a4f3b7a 100644
--- a/src/audio/synth.cc
+++ b/src/audio/synth.cc
@@ -26,7 +26,8 @@ static struct {
 } g_synth_data;
 
 static Voice g_voices[MAX_VOICES];
-static volatile float g_current_output_peak = 0.0f; // Global peak for visualization
+static volatile float g_current_output_peak =
+    0.0f; // Global peak for visualization
 
 void synth_init() {
   memset(&g_synth_data, 0, sizeof(g_synth_data));
@@ -172,8 +173,8 @@ void synth_render(float *output_buffer, int num_frames) {
     output_buffer[i * 2 + 1] = right_sample;
 
     // Update the peak with the new max (attack)
-    g_current_output_peak =
-        fmaxf(g_current_output_peak, fmaxf(fabsf(left_sample), fabsf(right_sample)));
+    g_current_output_peak = fmaxf(
+        g_current_output_peak, fmaxf(fabsf(left_sample), fabsf(right_sample)));
   }
 }
 
@@ -187,4 +188,6 @@ int synth_get_active_voice_count() {
   return count;
 }
 
-float synth_get_output_peak() { return g_current_output_peak; }
+float synth_get_output_peak() {
+  return g_current_output_peak;
+}
diff --git a/src/gpu/gpu.cc b/src/gpu/gpu.cc
index 79498e3..b87c47f 100644
--- a/src/gpu/gpu.cc
+++ b/src/gpu/gpu.cc
@@ -28,7 +28,8 @@ static WGPUBindGroup g_bind_group = nullptr;
 
 static WGPUStringView label_view(const char *str) {
 #ifndef STRIP_ALL
-  if (!str) return {nullptr, 0};
+  if (!str)
+    return {nullptr, 0};
   return {str, strlen(str)};
 #else
   (void)str;
@@ -37,7 +38,8 @@ static WGPUStringView label_view(const char *str) {
 }
 
 static WGPUStringView str_view(const char *str) {
-  if (!str) return {nullptr, 0};
+  if (!str)
+    return {nullptr, 0};
   return {str, strlen(str)};
 }
 
@@ -142,10 +144,9 @@ void gpu_init(GLFWwindow *window) {
   adapter_opts.compatibleSurface = g_surface;
   adapter_opts.powerPreference = WGPUPowerPreference_HighPerformance;
 
-  wgpuInstanceRequestAdapter(
-      g_instance, &adapter_opts,
-      {nullptr, WGPUCallbackMode_WaitAnyOnly, handle_request_adapter, &g_adapter,
-       nullptr});
+  wgpuInstanceRequestAdapter(g_instance, &adapter_opts,
+                             {nullptr, WGPUCallbackMode_WaitAnyOnly,
+                              handle_request_adapter, &g_adapter, nullptr});
 
   while (!g_adapter) {
     wgpuInstanceWaitAny(g_instance, 0, nullptr, 0);
@@ -157,10 +158,9 @@ void gpu_init(GLFWwindow *window) {
   device_desc.uncapturedErrorCallbackInfo.callback = handle_device_error;
 #endif
 
-  wgpuAdapterRequestDevice(
-      g_adapter, &device_desc,
-      {nullptr, WGPUCallbackMode_WaitAnyOnly, handle_request_device, &g_device,
-       nullptr});
+  wgpuAdapterRequestDevice(g_adapter, &device_desc,
+                           {nullptr, WGPUCallbackMode_WaitAnyOnly,
+                            handle_request_device, &g_device, nullptr});
 
   while (!g_device) {
     wgpuInstanceWaitAny(g_instance, 0, nullptr, 0);
@@ -259,17 +259,21 @@ void gpu_init(GLFWwindow *window) {
 void gpu_draw(float audio_peak, float aspect_ratio) {
   WGPUSurfaceTexture surface_texture;
   wgpuSurfaceGetCurrentTexture(g_surface, &surface_texture);
-  if (surface_texture.status != WGPUSurfaceGetCurrentTextureStatus_SuccessOptimal &&
-      surface_texture.status != WGPUSurfaceGetCurrentTextureStatus_SuccessSuboptimal)
+  if (surface_texture.status !=
+          WGPUSurfaceGetCurrentTextureStatus_SuccessOptimal &&
+      surface_texture.status !=
+          WGPUSurfaceGetCurrentTextureStatus_SuccessSuboptimal)
     return;
 
-  WGPUTextureView view = wgpuTextureCreateView(surface_texture.texture, nullptr);
+  WGPUTextureView view =
+      wgpuTextureCreateView(surface_texture.texture, nullptr);
 
   struct {
     float audio_peak;
     float aspect_ratio;
   } uniforms = {audio_peak, aspect_ratio};
-  wgpuQueueWriteBuffer(g_queue, g_uniform_buffer, 0, &uniforms, sizeof(uniforms));
+  wgpuQueueWriteBuffer(g_queue, g_uniform_buffer, 0, &uniforms,
+                       sizeof(uniforms));
 
   WGPUCommandEncoderDescriptor encoder_desc = {};
   encoder_desc.label = label_view("Command Encoder");
@@ -308,4 +312,5 @@ void gpu_draw(float audio_peak, float aspect_ratio) {
   wgpuTextureRelease(surface_texture.texture);
 }
 
-void gpu_shutdown() {}
\ No newline at end of file
+void gpu_shutdown() {
+}
\ No newline at end of file
diff --git a/src/main.cc b/src/main.cc
index e46468f..31e1c58 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -49,7 +49,7 @@ int main(int argc, char **argv) {
   audio_init();
 
   generate_tone(g_spec_buffer_a, 440.0f); // A4
-  generate_tone(g_spec_buffer_b, 0.0f); // A5
+  generate_tone(g_spec_buffer_b, 0.0f);   // A5
 
   const Spectrogram spec = {g_spec_buffer_a, g_spec_buffer_b, SPEC_FRAMES};
   int tone_id = synth_register_spectrogram(&spec);
@@ -71,10 +71,11 @@ int main(int argc, char **argv) {
         // Time to update the sound!
         float *back_buffer = synth_begin_update(tone_id);
         if (back_buffer) {
-          generate_tone(back_buffer, (beat_count % 8) == 4 ? 220.0f : 480.f); // A3
+          generate_tone(back_buffer,
+                        (beat_count % 8) == 4 ? 220.0f : 480.f); // A3
           synth_commit_update(tone_id);
         }
-      } 
+      }
     }
 
     int width, height;
diff --git a/src/platform.cc b/src/platform.cc
index b0ec86b..2b6af44 100644
--- a/src/platform.cc
+++ b/src/platform.cc
@@ -42,9 +42,13 @@ void platform_shutdown() {
   glfwTerminate();
 }
 
-void platform_poll() { glfwPollEvents(); }
+void platform_poll() {
+  glfwPollEvents();
+}
 
-bool platform_should_close() { return glfwWindowShouldClose(window); }
+bool platform_should_close() {
+  return glfwWindowShouldClose(window);
+}
 
 void platform_toggle_fullscreen() {
   g_is_fullscreen = !g_is_fullscreen;
@@ -62,9 +66,13 @@ void platform_toggle_fullscreen() {
   }
 }
 
-GLFWwindow *platform_get_window() { return window; }
+GLFWwindow *platform_get_window() {
+  return window;
+}
 
-double platform_get_time() { return glfwGetTime(); }
+double platform_get_time() {
+  return glfwGetTime();
+}
 
 WGPUSurface platform_create_wgpu_surface(WGPUInstance instance) {
   return glfwCreateWindowWGPUSurface(instance, window);