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Added some documentation that I managed to figure out through

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experimentation.
This commit is contained in:
Ian Romanick
2004-10-13 22:38:31 +00:00
parent 82f2e80f14
commit 07bd4c585c
1 changed files with 27 additions and 17 deletions
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src/mesa/drivers/dri/unichrome/via_3d_reg.h
+27 -17
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@@ -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