Surface Descriptor
Surface Descriptor
The surface descriptor structure has the following members:
Each member is explained in details as follows:
SurfaceType | Description |
---|---|
KM_SURFACETYPE_FRAMEBUFFER | Frame buffer |
KM_SURFACETYPE_TEXTURE | Texture |
KM_SURFACETYPE_SMALLVQ_TEXTURE | Small VQ texture |
BitDepth | Description |
---|---|
KM_BITDEPTH_16 | 1pixel = 16bit |
KM_BITDEPTH_24 | 1pixel = 24bit |
KM_BITDEPTH_32 | 1pixel = 32bit |
PixelFormat | Description |
---|---|
KM_DSPBPP_RGB565 | RGB-565 format |
KM_DSPBPP_RGB555 | RGB-555 format |
KM_DSPBPP_ARGB1555 | ARGB-1555 format |
KM_DSPBPP_RGB888 | RGB-888 format |
KM_DSPBPP_ARGB8888 | ARGB-8888 format |
PixelFormat | Description |
---|---|
KM_PIXELFORMAT_ARGB1555 | ARGB-1555 format |
KM_PIXELFORMAT_RGB565 | RGB-565 format |
KM_PIXELFORMAT_ARGB4444 | ARGB-4444 format |
KM_PIXELFORMAT_YUV422 | YUV-422 format |
KM_PIXELFORMAT_BUMP | Bump map |
KM_PIXELFORMAT_PALETTIZED_4BPP | 4 bpp palette format |
KM_PIXELFORMAT_PALETTIZED_8BPP | 8 bpp palette format |
USize | Description |
---|---|
KM_MAPSIZE_8 | Horizontal size, 8 pixels |
KM_MAPSIZE_16 | Horizontal size, 16 pixels |
KM_MAPSIZE_32 | Horizontal size, 32 pixels |
KM_MAPSIZE_64 | Horizontal size, 64 pixels |
KM_MAPSIZE_128 | Horizontal size, 128 pixels |
KM_MAPSIZE_256 | Horizontal size, 256 pixels |
KM_MAPSIZE_512 | Horizontal size, 512 pixels |
KM_MAPSIZE_1024 | Horizontal size, 1024 pixels |
VSize | Description |
---|---|
KM_MAPSIZE_8 | Vertical size, 8 pixels |
KM_MAPSIZE_16 | Vertical size, 16 pixels |
KM_MAPSIZE_32 | Vertical size, 32 pixels |
KM_MAPSIZE_64 | Vertical size, 64 pixels |
KM_MAPSIZE_128 | Vertical size, 128 pixels |
KM_MAPSIZE_256 | Vertical size, 256 pixels |
KM_MAPSIZE_512 | Vertical size, 512 pixels |
KM_MAPSIZE_1024 | Vertical size, 1024 pixels |
bit 0 | 0...full screen buffer 1... use StripBuffer used |
bit 31 | 0=Non MipMap 1=MipMapped |
bit 30 | 0=Non VQ 1=VQed Texture |
bit 26 | 0=Twiddled 1=Scan-order |
bit 25 | 0=Non Stride 1=Stride Select |
bit 15 | 0=Non Palettized 1=Palettized |
bit 5-3 | U-Size 0=8 1=16 2=32 3=64 4=128 5=256 6=512 7=1024 |
bit 2-0 | V-Size 0=8 1=16 2=32 3=64 4=128 5=256 6=512 7=1024 |
fSurfaceFlags | Description |
---|---|
KM_SURFACEFLAGS_MIPMAPED | Indicates use of mipmap. |
KM_SURFACEFLAGS_VQ | Indicates the VQ/SmallVQ compression format. |
KM_SURFACEFLAGS_NOTWIDDLED | Indicates Non-TWIDDLED format(= Scan-order format). |
KM_SURFACEFLAGS_STRIDE | Indicates use of stride. |
KM_SURFACEFLAGS_PALETTIZED | Indicates palettized texture. |
KM_SURFACEFLAGS_USIZE8 | Size (width) is 8 texel |
KM_SURFACEFLAGS_USIZE16 | Size (width) is 16 texel |
KM_SURFACEFLAGS_USIZE32 | Size (width) is 32 texel |
KM_SURFACEFLAGS_USIZE64 | Size (width) is 64 texel |
KM_SURFACEFLAGS_USIZE128 | Size (width) is 128 texel |
KM_SURFACEFLAGS_USIZE256 | Size (width) is 256 texel |
KM_SURFACEFLAGS_USIZE512 | Size (width) is 512 texel |
KM_SURFACEFLAGS_USIZE1024 | Size (width) is 1024 texel |
KM_SURFACEFLAGS_VSIZE8 | Size (height) is 8 texel |
KM_SURFACEFLAGS_VSIZE16 | Size (height) is 16 texel |
KM_SURFACEFLAGS_VSIZE32 | Size (height) is 32 texel |
KM_SURFACEFLAGS_VSIZE64 | Size (height) is 64 texel |
KM_SURFACEFLAGS_VSIZE128 | Size (height) is 128 texel |
KM_SURFACEFLAGS_VSIZE256 | Size (height) is 256 texel |
KM_SURFACEFLAGS_VSIZE512 | Size (height) is 512 texel |
KM_SURFACEFLAGS_VSIZE1024 | Size (height) is 1024 texel |
Surface Descriptor