Add resize event; lovr.resize callback;

src/api/l_event.c

@@ -11,6 +11,7 @@ StringEntry EventTypes[] = {
   [EVENT_QUIT] = ENTRY("quit"),
   [EVENT_RESTART] = ENTRY("restart"),
   [EVENT_FOCUS] = ENTRY("focus"),
+  [EVENT_RESIZE] = ENTRY("resize"),
 #ifdef LOVR_ENABLE_THREAD
   [EVENT_THREAD_ERROR] = ENTRY("threaderror"),
 #endif
@@ -106,6 +107,11 @@ static int nextEvent(lua_State* L) {
       lua_pushboolean(L, event.data.boolean.value);
       return 2;
 
+    case EVENT_RESIZE:
+      lua_pushinteger(L, event.data.resize.width);
+      lua_pushinteger(L, event.data.resize.height);
+      return 3;
+
 #ifdef LOVR_ENABLE_THREAD
     case EVENT_THREAD_ERROR:
       luax_pushtype(L, Thread, event.data.thread.thread);

src/modules/event/event.h

@@ -11,6 +11,7 @@ typedef enum {
   EVENT_QUIT,
   EVENT_RESTART,
   EVENT_FOCUS,
+  EVENT_RESIZE,
   EVENT_CUSTOM,
 #ifdef LOVR_ENABLE_THREAD
   EVENT_THREAD_ERROR,
@@ -49,6 +50,11 @@ typedef struct {
   bool value;
 } BoolEvent;
 
+typedef struct {
+  uint32_t width;
+  uint32_t height;
+} ResizeEvent;
+
 typedef struct {
   struct Thread* thread;
   char* error;
@@ -63,6 +69,7 @@ typedef struct {
 typedef union {
   QuitEvent quit;
   BoolEvent boolean;
+  ResizeEvent resize;
   ThreadEvent thread;
   CustomEvent custom;
 } EventData;

src/modules/graphics/graphics.c

@@ -170,6 +170,7 @@ static void onResizeWindow(int width, int height) {
   state.height = height;
   lovrCanvasSetWidth(state.defaultCanvas, width);
   lovrCanvasSetHeight(state.defaultCanvas, height);
+  lovrEventPush((Event) { .type = EVENT_RESIZE, .data.resize = { width, height } });
 }
 
 static void* lovrGraphicsMapBuffer(StreamType type, uint32_t count) {