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/******************************Module*Header*******************************\
** !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!* !! !!* !! WARNING: NOT DDK SAMPLE CODE !!* !! !!* !! This source code is provided for completeness only and should not be !!* !! used as sample code for display driver development. Only those sources !!* !! marked as sample code for a given driver component should be used for !!* !! development purposes. !!* !! !!* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!** Module Name: surf_fmt.h** Content: ** Copyright (c) 1994-1999 3Dlabs Inc. Ltd. All rights reserved.* Copyright (c) 1995-2003 Microsoft Corporation. All rights reserved.\*****************************************************************************/
#ifndef __SURF_FMAT
#define __SURF_FMAT
#define LOG_2_32 5
#define LOG_2_16 4
#define LOG_2_8 3
#define LOG_2_4 2
#define LOG_2_2 1
#define LOG_2_1 0
typedef enum tagTextureColorComponents{ RGB_COMPONENTS = 2, RGBA_COMPONENTS = 3, COMPONENTS_DONT_CARE = 100} TextureColorComponents;
typedef enum tagSurfDeviceFormat{ SURF_8888 = 0, SURF_5551_FRONT = 1, SURF_4444 = 2, SURF_4444_FRONT = 3, SURF_4444_BACK = 4, SURF_332_FRONT = 5, SURF_332_BACK = 6, SURF_121_FRONT = 7, SURF_121_BACK = 8, SURF_2321_FRONT = 9, SURF_2321_BACK = 10, SURF_232_FRONTOFF = 11, SURF_232_BACKOFF = 12, SURF_5551_BACK = 13, SURF_CI8 = 14, SURF_CI4 = 15, SURF_565_FRONT = 16, SURF_565_BACK = 17, SURF_YUV444 = 18, SURF_YUV422 = 19,
// NB: These surface formats are needed for the luminance
// texturemap formats. Note that you should never load the below
// values into the blitter's, etc. because the texture filter unit
// is the only one that knows about these formats. This is why the
// formats start at 100
SURF_L8 = 100, SURF_A8L8 = 101, SURF_A4L4 = 102, SURF_A8 = 103,
// More fantasy formats. This time they are for Mediamatics playback
SURF_MVCA = 104, SURF_MVSU = 105, SURF_MVSB = 106, SURF_FORMAT_INVALID = 0xFFFFFFFF} SurfDeviceFormat;
typedef enum tagSurfFilterDeviceFormat{ SURF_FILTER_A4L4 = 0, SURF_FILTER_L8 = 1, SURF_FILTER_I8 = 2, SURF_FILTER_A8 = 3, SURF_FILTER_332 = 4, SURF_FILTER_A8L8 = 5, SURF_FILTER_5551 = 6, SURF_FILTER_565 = 7, SURF_FILTER_4444 = 8, SURF_FILTER_888 = 9, SURF_FILTER_8888_OR_YUV = 10, SURF_FILTER_INVALID = 0xFFFFFFFF} SurfFilterDeviceFormat;
typedef enum tagSurfDitherDeviceFormat{ SURF_DITHER_8888 = P3RX_DITHERMODE_COLORFORMAT_8888, SURF_DITHER_4444 = P3RX_DITHERMODE_COLORFORMAT_4444, SURF_DITHER_5551 = P3RX_DITHERMODE_COLORFORMAT_5551, SURF_DITHER_565 = P3RX_DITHERMODE_COLORFORMAT_565, SURF_DITHER_332 = P3RX_DITHERMODE_COLORFORMAT_332, SURF_DITHER_I8 = P3RX_DITHERMODE_COLORFORMAT_CI, SURF_DITHER_INVALID = 0xFFFFFFFF} SurfDitherDeviceFormat;
// A structure representing a particular surface format to use.
typedef const struct tagSURF_FORMAT{ SurfDeviceFormat DeviceFormat; // The number in the manual for this format
DWORD dwBitsPerPixel; // The bits per pixel
DWORD dwChipPixelSize; // The pixel size register on the chip
TextureColorComponents ColorComponents; // The number of color components for this format
DWORD dwLogPixelDepth; // The log of the pixel depth (log2(16), etc)
DWORD dwRedMask; // The Red Mask
DWORD dwGreenMask; // The Green Mask
DWORD dwBlueMask; // The Blue Mask
DWORD dwAlphaMask; // The Alpha Mask
BOOL bAlpha; // Are we using the alpha in this format?
SurfFilterDeviceFormat FilterFormat; // For feeding the P3RX filter unit.
SurfDitherDeviceFormat DitherFormat; // For feeding the P3RX dither unit.
char *pszStringFormat; // Human-readable string for debugging.
} P3_SURF_FORMAT;
#define SURFFORMAT_FORMAT_BITS(pSurfFormat) (((DWORD)(pSurfFormat)->DeviceFormat) & 0xF)
#define SURFFORMAT_FORMATEXTENSION_BITS(pSurfFormat) (((DWORD)(pSurfFormat)->DeviceFormat & 0x10) >> 4)
#define SURFFORMAT_PIXELSIZE(pSurfFormat) ((pSurfFormat)->dwChipPixelSize)
#define MAX_SURFACE_FORMATS 50
#endif // __SURF_FMAT
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