fix webgpu example

ColleagueRiley · Oct 20, 2024 · 7a7795b · 7a7795b
1 parent 2b68f8a
commit 7a7795b
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Showing 2 changed files with 18 additions and 19 deletions.
diff --git a/Makefile b/Makefile
@@ -143,7 +143,7 @@ endif
 
 examples/webgpu/webgpu: examples/webgpu/webgpu.c RGFW.h
 ifeq ($(CC),emcc)        # web ASM
-	emcc main.c -I. --shell-file ./webasm/shell.html -s USE_WEBGPU=1 -o $@$(EXT)
+	emcc $< -I. --shell-file ./webasm/shell.html -s USE_WEBGPU=1 -o $@$(EXT)
 else
 	@echo webgpu is not supported on $(detected_OS)
 endif

diff --git a/examples/webgpu/webgpu.c b/examples/webgpu/webgpu.c
@@ -43,7 +43,6 @@ static state_t state;
 //--------------------------------------------------
 
 // callbacks
-static int  resize(int, const EmscriptenUiEvent*, void*);
 static void draw();
 
 // helper functions
@@ -111,8 +110,13 @@ int main(int argc, const char* argv[]) {
     //-----------------
     // init
     //-----------------
-    resize(0, NULL, NULL); // set size and create swapchain
-    emscripten_set_resize_callback(EMSCRIPTEN_EVENT_TARGET_WINDOW, 0, false, (em_ui_callback_func)resize);
+	if (state.wgpu.swapchain) {
+			wgpuSwapChainRelease(state.wgpu.swapchain);
+			state.wgpu.swapchain = NULL;
+		}
+
+		state.wgpu.swapchain = create_swapchain();
+	}
 
     //-----------------
     // setup pipeline
@@ -255,7 +259,16 @@ int main(int argc, const char* argv[]) {
     //-----------------
 
 	while (RGFW_window_shouldClose(win) == RGFW_FALSE) {
-		RGFW_window_checkEvent(win);
+		while (RGFW_window_checkEvent(win)) {
+			if (win->event.type == RGFW_windowResized) {
+				if (state.wgpu.swapchain) {
+					wgpuSwapChainRelease(state.wgpu.swapchain);
+					state.wgpu.swapchain = NULL;
+				}
+
+				state.wgpu.swapchain = create_swapchain();
+			}
+		}
 		draw();
 	}
 
@@ -323,20 +336,6 @@ void draw() {
     wgpuTextureViewRelease(back_buffer);
 }
 
-// resize callback
-int resize(int event_type, const EmscriptenUiEvent* ui_event, void* user_data) {
-    (void)event_type, (void)ui_event, (void)user_data; // unused
-
-    if (state.wgpu.swapchain) {
-        wgpuSwapChainRelease(state.wgpu.swapchain);
-        state.wgpu.swapchain = NULL;
-    }
-
-    state.wgpu.swapchain = create_swapchain();
-
-    return 1;
-}
-
 // helper functions
 WGPUSwapChain create_swapchain() {
     WGPUSurface surface = wgpuInstanceCreateSurface(win->src.ctx, &(WGPUSurfaceDescriptor){