diff options
| author | Ian Romanick <idr@us.ibm.com> | 2004-10-13 22:38:31 +0000 |
|---|---|---|
| committer | Ian Romanick <idr@us.ibm.com> | 2004-10-13 22:38:31 +0000 |
| commit | 07bd4c585ccd01b47d6462385a710f0c7a0486b2 (patch) | |
| tree | 657660655ce5fa937d95b9a8fa1e10c3959c5751 | |
| parent | 82f2e80f14240aae25b23744264c6ebc5af00536 (diff) | |
Added some documentation that I managed to figure out through
experimentation.
| -rw-r--r-- | src/mesa/drivers/dri/unichrome/via_3d_reg.h | 44 |
1 files changed, 27 insertions, 17 deletions
diff --git a/src/mesa/drivers/dri/unichrome/via_3d_reg.h b/src/mesa/drivers/dri/unichrome/via_3d_reg.h index 424ce281e6..7e4536d70b 100644 --- a/src/mesa/drivers/dri/unichrome/via_3d_reg.h +++ b/src/mesa/drivers/dri/unichrome/via_3d_reg.h @@ -907,6 +907,15 @@ #define HC_HTXnTB_TBC_T 0x00200000 #define HC_HTXnTB_TB_S 0x00400000 #define HC_HTXnTB_TB_T 0x00800000 + +/* The "S" in FLS? means the S texture coordinate, and a "T" means the T + * texture coordinage. The "e" in FL?e means the magnification ("enlarge") + * mode, and the "s" in FL?s means the minification ("shrink") mode. + * + * The "D" in FLD? means the intermipmap level mode. That means that the + * GL_*_MIPMAP_LINEAR modes get FLDs_Linear, and the GL_*_MIPMAP_NEAREST modes + * get FLDs_Nearest. + */ #define HC_HTXnFLSe_Nearest 0x00000000 #define HC_HTXnFLSe_Linear 0x00002000 #define HC_HTXnFLSe_NonLinear 0x00004000 @@ -933,6 +942,7 @@ #define HC_HTXnFLDs_ConstLOD 0x00000005 #define HC_HTXnFLDs_Ani 0x00000006 #define HC_HTXnFLDs_AniDither 0x00000007 + /* HC_SubA_HTXnMPMD 0x0079 */ #define HC_HTXnMPMD_SMASK 0x00070000 @@ -958,20 +968,20 @@ */ #define HC_HTXnFM_MASK 0x00ff0000 #define HC_HTXnLoc_MASK 0x00000003 -#define HC_HTXnFM_INDEX 0x00000000 -#define HC_HTXnFM_Intensity 0x00080000 -#define HC_HTXnFM_Lum 0x00100000 -#define HC_HTXnFM_Alpha 0x00180000 -#define HC_HTXnFM_DX 0x00280000 -#define HC_HTXnFM_ARGB16 0x00880000 -#define HC_HTXnFM_ARGB32 0x00980000 -#define HC_HTXnFM_ABGR16 0x00a80000 -#define HC_HTXnFM_ABGR32 0x00b80000 -#define HC_HTXnFM_RGBA16 0x00c80000 -#define HC_HTXnFM_RGBA32 0x00d80000 -#define HC_HTXnFM_BGRA16 0x00e80000 -#define HC_HTXnFM_BGRA32 0x00f80000 -#define HC_HTXnFM_BUMPMAP 0x00380000 +#define HC_HTXnFM_INDEX 0x00000000 /* 0 << 19 */ +#define HC_HTXnFM_Intensity 0x00080000 /* 1 << 19 */ +#define HC_HTXnFM_Lum 0x00100000 /* 2 << 19 */ +#define HC_HTXnFM_Alpha 0x00180000 /* 3 << 19 */ +#define HC_HTXnFM_DX 0x00280000 /* 5 << 19 */ +#define HC_HTXnFM_BUMPMAP 0x00380000 /* 7 << 19 */ +#define HC_HTXnFM_ARGB16 0x00880000 /* 17 << 19 */ +#define HC_HTXnFM_ARGB32 0x00980000 /* 19 << 19 */ +#define HC_HTXnFM_ABGR16 0x00a80000 /* 21 << 19 */ +#define HC_HTXnFM_ABGR32 0x00b80000 /* 23 << 19 */ +#define HC_HTXnFM_RGBA16 0x00c80000 /* 25 << 19 */ +#define HC_HTXnFM_RGBA32 0x00d80000 /* 27 << 19 */ +#define HC_HTXnFM_BGRA16 0x00e80000 /* 29 << 19 */ +#define HC_HTXnFM_BGRA32 0x00f80000 /* 31 << 19 */ #define HC_HTXnFM_Index1 (HC_HTXnFM_INDEX | 0x00000000) #define HC_HTXnFM_Index2 (HC_HTXnFM_INDEX | 0x00010000) #define HC_HTXnFM_Index4 (HC_HTXnFM_INDEX | 0x00020000) @@ -1104,6 +1114,8 @@ #define HC_HTXnTBLAop_MASK 0x00000380 #define HC_HTXnTBLAbias_MASK 0x00000078 #define HC_HTXnTBLAshift_MASK 0x00000003 +#define HC_HTXnTBLDOT3 0x00800000 +#define HC_HTXnTBLDOT4 0x00c00000 #define HC_HTXnTBLCop_Add 0x00000000 #define HC_HTXnTBLCop_Sub 0x00080000 #define HC_HTXnTBLCop_Min 0x00100000 @@ -1126,8 +1138,6 @@ #define HC_HTXnTBLCshift_No 0x00001000 #define HC_HTXnTBLCshift_DotP 0x00001800 /*=* John Sheng [2003.7.18] texture combine *=*/ -#define HC_HTXnTBLDOT3 0x00080000 -#define HC_HTXnTBLDOT4 0x000C0000 #define HC_HTXnTBLAop_Add 0x00000000 #define HC_HTXnTBLAop_Sub 0x00000080 @@ -1143,7 +1153,7 @@ #define HC_HTXnTBLAshift_1 0x00000000 #define HC_HTXnTBLAshift_2 0x00000001 #define HC_HTXnTBLAshift_No 0x00000002 -/* #define HC_HTXnTBLAshift_DotP 0x00000003 */ +#define HC_HTXnTBLAshift_DotP 0x00000003 /* HC_SubA_HTXnTBLMPFog 0x0082 */ #define HC_HTXnTBLMPfog_MASK 0x00e00000 |