Add C3D_VideoSync()

examples/fragment_light/source/main.c

@@ -206,9 +206,8 @@ int main()
 	// Main loop
 	while (aptMainLoop())
 	{
-		gspWaitForVBlank();  // Synchronize with the start of VBlank
+		C3D_VideoSync();
-		gfxSwapBuffersGpu(); // Swap the framebuffers so that the frame that we rendered last frame is now visible
+		hidScanInput();
-		hidScanInput();      // Read the user input
 
 		// Respond to user input
 		u32 kDown = hidKeysDown();
@@ -231,9 +230,6 @@ int main()
 			C3D_RenderBufTransfer(&rb, (u32*)gfxGetFramebuffer(GFX_TOP, GFX_RIGHT, NULL, NULL), DISPLAY_TRANSFER_FLAGS);
 			C3D_RenderBufClear(&rb);
 		}
-
-		// Flush the framebuffers out of the data cache (not necessary with pure GPU rendering)
-		//gfxFlushBuffers();
 	}
 
 	// Deinitialize the scene

examples/gputest/source/main.c

@@ -163,8 +163,7 @@ int main()
 	// Main loop
 	while (aptMainLoop())
 	{
-		gspWaitForVBlank();
+		C3D_VideoSync();
-		gfxSwapBuffersGpu();
 		hidScanInput();
 
 		u32 kDown = hidKeysDown();

examples/immediate/source/main.c

@@ -88,9 +88,8 @@ int main()
 	// Main loop
 	while (aptMainLoop())
 	{
-		gspWaitForVBlank();  // Synchronize with the start of VBlank
+		C3D_VideoSync();
-		gfxSwapBuffersGpu(); // Swap the framebuffers so that the frame that we rendered last frame is now visible
+		hidScanInput();
-		hidScanInput();      // Read the user input
 
 		// Respond to user input
 		u32 kDown = hidKeysDown();
@@ -102,9 +101,6 @@ int main()
 		C3D_Flush();
 		C3D_RenderBufTransfer(&rb, (u32*)gfxGetFramebuffer(GFX_TOP, GFX_LEFT, NULL, NULL), DISPLAY_TRANSFER_FLAGS);
 		C3D_RenderBufClear(&rb);
-
-		// Flush the framebuffers out of the data cache (not necessary with pure GPU rendering)
-		gfxFlushBuffers();
 	}
 
 	// Deinitialize the scene

examples/simple_tri/source/main.c

@@ -106,9 +106,8 @@ int main()
 	// Main loop
 	while (aptMainLoop())
 	{
-		gspWaitForVBlank();  // Synchronize with the start of VBlank
+		C3D_VideoSync();
-		gfxSwapBuffersGpu(); // Swap the framebuffers so that the frame that we rendered last frame is now visible
+		hidScanInput();
-		hidScanInput();      // Read the user input
 
 		// Respond to user input
 		u32 kDown = hidKeysDown();
@@ -120,9 +119,6 @@ int main()
 		C3D_Flush();
 		C3D_RenderBufTransfer(&rb, (u32*)gfxGetFramebuffer(GFX_TOP, GFX_LEFT, NULL, NULL), DISPLAY_TRANSFER_FLAGS);
 		C3D_RenderBufClear(&rb);
-
-		// Flush the framebuffers out of the data cache (not necessary with pure GPU rendering)
-		gfxFlushBuffers();
 	}
 
 	// Deinitialize the scene

examples/textured_cube/source/main.c

@@ -204,9 +204,8 @@ int main()
 	// Main loop
 	while (aptMainLoop())
 	{
-		gspWaitForVBlank();  // Synchronize with the start of VBlank
+		C3D_VideoSync();
-		gfxSwapBuffersGpu(); // Swap the framebuffers so that the frame that we rendered last frame is now visible
+		hidScanInput();
-		hidScanInput();      // Read the user input
 
 		// Respond to user input
 		u32 kDown = hidKeysDown();
@@ -218,9 +217,6 @@ int main()
 		C3D_Flush();
 		C3D_RenderBufTransfer(&rb, (u32*)gfxGetFramebuffer(GFX_TOP, GFX_LEFT, NULL, NULL), DISPLAY_TRANSFER_FLAGS);
 		C3D_RenderBufClear(&rb);
-
-		// Flush the framebuffers out of the data cache (not necessary with pure GPU rendering)
-		gfxFlushBuffers();
 	}
 
 	// Deinitialize the scene

include/c3d/base.h

@@ -37,6 +37,12 @@ static inline void C3D_Flush(void)
 	C3D_FlushAwait();
 }
 
+static inline void C3D_VideoSync(void)
+{
+	gspWaitForEvent(GSPGPU_EVENT_VBlank0, false);
+	gfxSwapBuffersGpu();
+}
+
 // Fixed vertex attributes
 C3D_FVec* C3D_FixedAttribGetWritePtr(int id);