#define GR_BUFFER_TEXTUREBUFFER_EXT       0x6
#define GR_BUFFER_TEXTUREAUXBUFFER_EXT    0x7

typedef FxU32 GrPixelFormat_t;
#define GR_PIXFMT_RGB_565                 0x03
#define GR_PIXFMT_ARGB_1555               0x0004
#define GR_PIXFMT_ARGB_8888               0x0005

typedef FxU32 GrCCUColor_t;
typedef FxU32 GrACUColor_t;
typedef FxU32 GrTCCUColor_t;
typedef FxU32 GrTACUColor_t;
#define GR_CMBX_ZERO                      0x00
#define GR_CMBX_TEXTURE_ALPHA             0x01
#define GR_CMBX_ALOCAL                    0x02
#define GR_CMBX_AOTHER                    0x03
#define GR_CMBX_B                         0x04
#define GR_CMBX_CONSTANT_ALPHA            0x05
#define GR_CMBX_CONSTANT_COLOR            0x06
#define GR_CMBX_DETAIL_FACTOR             0x07
#define GR_CMBX_ITALPHA                   0x08
#define GR_CMBX_ITRGB                     0x09
#define GR_CMBX_LOCAL_TEXTURE_ALPHA       0x0a
#define GR_CMBX_LOCAL_TEXTURE_RGB         0x0b
#define GR_CMBX_LOD_FRAC                  0x0c
#define GR_CMBX_OTHER_TEXTURE_ALPHA       0x0d
#define GR_CMBX_OTHER_TEXTURE_RGB         0x0e
#define GR_CMBX_TEXTURE_RGB               0x0f
#define GR_CMBX_TMU_CALPHA                0x10
#define GR_CMBX_TMU_CCOLOR                0x11

typedef FxU32 GrCombineMode_t;
#define GR_FUNC_MODE_ZERO                 0x00
#define GR_FUNC_MODE_X                    0x01
#define GR_FUNC_MODE_ONE_MINUS_X          0x02
#define GR_FUNC_MODE_NEGATIVE_X           0x03
#define GR_FUNC_MODE_X_MINUS_HALF         0x04

#define GR_TEXFMT_ARGB_8888               0x12

#define GR_LOD_LOG2_2048                  0xb
#define GR_LOD_LOG2_1024                  0xa
#define GR_LOD_LOG2_512                   0x9

#define GR_TEXTURE_UMA_EXT                0x06