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41 lines
1.8 KiB
C++
41 lines
1.8 KiB
C++
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#if 0
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from http://msdn.microsoft.com/en-us/library/windows/desktop/bb172588%28v=vs.85%29.aspx
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D3DPRESENT_PARAMETERS structure
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Describes the presentation parameters.
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Syntax
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C++
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typedef struct D3DPRESENT_PARAMETERS {
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UINT BackBufferWidth;
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UINT BackBufferHeight;
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D3DFORMAT BackBufferFormat;
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UINT BackBufferCount;
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D3DMULTISAMPLE_TYPE MultiSampleType;
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DWORD MultiSampleQuality;
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D3DSWAPEFFECT SwapEffect;
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HWND hDeviceWindow;
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BOOL Windowed;
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BOOL EnableAutoDepthStencil;
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D3DFORMAT AutoDepthStencilFormat;
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DWORD Flags;
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UINT FullScreen_RefreshRateInHz;
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UINT PresentationInterval;
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} D3DPRESENT_PARAMETERS, *LPD3DPRESENT_PARAMETERS;
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BackBufferFormat
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Type: D3DFORMAT
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The back buffer format. For more information about formats, see D3DFORMAT.
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This value must be one of the render-target formats as validated by CheckDeviceType.
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You can use GetDisplayMode to obtain the current format.
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In fact, D3DFMT_UNKNOWN can be specified for the BackBufferFormat while in windowed mode.
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This tells the runtime to use the current display-mode format and eliminates the need to call GetDisplayMode.
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For windowed applications, the back buffer format no longer needs to match the display-mode format because
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color conversion can now be done by the hardware (if the hardware supports color conversion).
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The set of possible back buffer formats is constrained, but the runtime will allow any valid back buffer format
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to be presented to any desktop format. (There is the additional requirement that the device be operable in the
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desktop; devices typically do not operate in 8 bits per pixel modes.)
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Full-screen applications cannot do color conversion.
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#endif
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