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C++ LPDIRECTDRAWSURFACE7::SetSurfaceDesc方法代码示例

本文整理汇总了C++中LPDIRECTDRAWSURFACE7::SetSurfaceDesc方法的典型用法代码示例。如果您正苦于以下问题:C++ LPDIRECTDRAWSURFACE7::SetSurfaceDesc方法的具体用法?C++ LPDIRECTDRAWSURFACE7::SetSurfaceDesc怎么用?C++ LPDIRECTDRAWSURFACE7::SetSurfaceDesc使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在LPDIRECTDRAWSURFACE7的用法示例。


在下文中一共展示了LPDIRECTDRAWSURFACE7::SetSurfaceDesc方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: vdraw_ddraw_init


//.........这里部分代码省略.........
			ddsd.ddpfPixelFormat.dwBBitMask = 0x0000FF;
			break;
	}
	
	// Create the back surface.
	rval = lpDD->CreateSurface(&ddsd, &lpDDS_Back, NULL);
	if (FAILED(rval))
	{
		// Failed to create the back surface.
		// If we attempted to create it in video memory, try system memory instead.
		if (ddsd.ddsCaps.dwCaps & DDSCAPS_VIDEOMEMORY)
		{
			LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
				"lpDD->CreateSurface(&lpDDS_Back, DDSCAPS_VIDEOMEMORY) failed: 0x%08X", rval);
			LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
				"Attempting to use DDSCAPS_SYSTEMMEMORY instead.");
			ddsd.ddsCaps.dwCaps &= ~DDSCAPS_VIDEOMEMORY;
			ddsd.ddsCaps.dwCaps |= DDSCAPS_SYSTEMMEMORY;
			rval = lpDD->CreateSurface(&ddsd, &lpDDS_Back, NULL);
			if (FAILED(rval))
			{
				// Failed to create the back surface in system memory.
				vdraw_ddraw_free_all(false);
				LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
					"lpDD->CreateSurface(&lpDDS_Back, DDSCAPS_SYSTEMMEMORY) failed: 0x%08X", rval);
				return -10;
			}
		}
		else
		{
			vdraw_ddraw_free_all(false);
			LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
				"lpDD->CreateSurface(&lpDDS_Back, DDSCAPS_SYSTEMMEMORY) failed: 0x%08X", rval);
			return -11;
		}
	}
	
	// TODO: Check if this is right.
	// I think this might be causing the frame counter flicker in full screen mode.
	//if (!vdraw_get_fullscreen() || (rendMode >= 1 && (/*FS_No_Res_Change ||*/ Res_X != 640 || Res_Y != 480)))
	if (!vdraw_get_fullscreen() || !vdraw_ddraw_is_hw_render())
		lpDDS_Blit = lpDDS_Back;
	
	if (vdraw_ddraw_is_hw_render())
	{
		// Normal rendering mode uses MD_Screen directly.
		memset(&ddsd, 0, sizeof(ddsd));
		ddsd.dwSize = sizeof(ddsd);
		
		// TODO: This causes issues if the selected color depth isn't the
		// same as the desktop color depth. This only affects windowed mode,
		// since in fullscreen, the desktop color depth is changed.
		rval = lpDDS_Back->GetSurfaceDesc(&ddsd);
		if (FAILED(rval))
		{
			vdraw_ddraw_free_all(false);
			LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
				"lpDDS_Back->GetSurfaceDesc() failed: 0x%08X", rval);
			return -12;
		}
		
		ddsd.dwFlags = DDSD_WIDTH | DDSD_HEIGHT | DDSD_PITCH | DDSD_LPSURFACE | DDSD_PIXELFORMAT;
		ddsd.dwWidth = 336;
		ddsd.dwHeight = 240;
		
		if (ddsd.ddpfPixelFormat.dwRGBBitCount > 16)
		{
			// 32-bit color.
			ddsd.lpSurface = MD_Screen.u32;
			ddsd.lPitch = 336 * 4;
		}
		else
		{
			// 15-bit or 16-bit color.
			ddsd.lpSurface = MD_Screen.u16;
			ddsd.lPitch = 336 * 2;
		}
		
		rval = lpDDS_Back->SetSurfaceDesc(&ddsd, 0);
		if (FAILED(rval))
		{
			vdraw_ddraw_free_all(false);
			LOG_MSG(video, LOG_MSG_LEVEL_ERROR,
				"lpDDS_Back->SetSurfaceDesc() failed: 0x%08X", rval);
			return -13;
		}
	}
	
	// Initialize the destination rectangle.
	vdraw_ddraw_adjust_RectDest();
	
	// Reset the render mode.
	vdraw_reset_renderer(false);
	
	// Synchronize menus.
	Sync_Gens_Window();
	
	// vdraw_ddraw initialized.
	return 0;
}
开发者ID:PhilrocWP,项目名称:gens,代码行数:101,代码来源:vdraw_ddraw.cpp


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