DirectDraw (ddraw.dll) is an API that used to be a part of Microsoft's DirectX API. DirectDraw is used to accelerate rendering of 2D graphics in applications. DirectDraw also allows applications to run fullscreen or embedded in a window such as most other MS Windows applications. DirectDraw uses hardware acceleration if it is available on the client's computer. DirectDraw allows direct access to video memory, hardware overlays, hardware blitters, and page flipping. Its video memory manager can manipulate video memory with ease, taking full advantage of the blitting and color decompression capa
DirectDraw (ddraw.dll) is an API that used to be a part of Microsoft's DirectX API. DirectDraw is used to accelerate rendering of 2D graphics in applications. DirectDraw also allows applications to run fullscreen or embedded in a window such as most other MS Windows applications. DirectDraw uses hardware acceleration if it is available on the client's computer. DirectDraw allows direct access to video memory, hardware overlays, hardware blitters, and page flipping. Its video memory manager can manipulate video memory with ease, taking full advantage of the blitting and color decompression capabilities of different types of display adapters.
Because DirectDraw is a 2D API, it contains commands for 2D rendering and although it does not support 3D hardware acceleration, versions through to 7.0 of DirectDraw are tightly coupled to their respective version of Direct3D. In order to utilize 3D acceleration in Direct3D 7.0 and below, DirectDraw must be used in order to create an IDirect3D interface with the help of IDirectDraw7->QueryInterface, from which comes an IDirect3DDevice, and from there the remainder of the Direct3D API can be accessed and utilized. DirectDraw provides Textures (through Surfaces), Clippers, Palettes and Pixel Formats to Direct3D as well as the final presentation pass to display rendered images to the screen.
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