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Crash

Started by Newbie00 Dec 29, 2003 at 3:21 PM 2 replies 300+ views

Original Post

Dec 29, 2003 at 3:21 PM

I am attempting to make a bitmap show on top of another game. Here is the code I am using but all it does is crash the game.

	if(Menu) {

		LPDIRECT3DSURFACE8 g_pBackSurface = 0;
		LPDIRECT3DSURFACE8 g_pD3DBitmapSurf = 0;

		f_pDirect3DDevice->CreateImageSurface( 128, 128, D3DFMT_X8R8G8B8, &g_pD3DBitmapSurf );

		D3DXLoadSurfaceFromFile( g_pD3DBitmapSurf, NULL, NULL, "Pic.bmp", NULL, D3DX_FILTER_NONE, 0, NULL );

		RECT D3DSrcRect = { 0, 0, 128, 128 };
		POINT D3DDestPoint = { rand() % (g_DeviceWidth - 128), rand() % (g_DeviceHeight - 128 ) };

		pD3DDevice->CopyRects( g_pD3DBitmapSurf, &D3DSrcRect, 1, g_pBackSurface, &D3DDestPoint );
	}

Any ideas on what I am doing wrong?

Sir Valeq

Dec 29, 2003 at 3:28 PM

I think that if you want to draw anything on top of another application, you must do it through device->Present(), just like any other drawing. You have appriopriate arguments in that method.

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"We cannot all be masters." - William Shakespeare

__Daedalus__

Dec 29, 2003 at 3:32 PM

It appears that you are doing nothing with the variable "g_pBackSurface". You either need to call CreateImageSurface() on it too or get access to your backbuffer with "f_pDirect3DDevice->GetBackBuffer()". I suspect you''re trying to do the latter.

Newbie00

Dec 29, 2003 at 3:44 PM

I also have


		f_pDirect3DDevice->GetBackBuffer( 0, D3DBACKBUFFER_TYPE_MONO, &g_pBackSurface );

When I add


		f_pDirect3DDevice->Present( NULL, NULL, NULL, NULL );

The screen flickers white adn then back to the game really fast.

[edited by - Newbie00 on December 29, 2003 5:12:11 PM]

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