diff options
| author | Michal Krol <[email protected]> | 2009-03-11 11:55:27 +0100 |
|---|---|---|
| committer | Michal Krol <[email protected]> | 2009-03-11 12:11:48 +0100 |
| commit | 94cf8ea3b69038a1245c0b4546dbd8e4a32725f5 (patch) | |
| tree | cad6a7d77c53c18ddb98f320916723f27e334642 /src/gallium/auxiliary/tgsi | |
| parent | ddf7d8fe01a3db6f1107e2cb01e91d90b6bd11c6 (diff) | |
tgsi: Document NV_vertex_program1_1 instruction set operations.
Diffstat (limited to 'src/gallium/auxiliary/tgsi')
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt b/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt index 0b581cce6c1..1ad06ea975b 100644 --- a/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt +++ b/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt @@ -308,3 +308,31 @@ TGSI Instruction Specification Considered for removal from language. + +1.4 GL_NV_vertex_program1_1 +---------------------------- + + +1.4.1 ABS - Absolute + + dst.x = abs(src.x) + dst.y = abs(src.y) + dst.z = abs(src.z) + dst.w = abs(src.w) + + +1.4.2 RCC - Reciprocal Clamped + + dst.x = (1.0 / src.x) > 0.0 ? clamp(1.0 / src.x, 5.42101e-020, 1.884467e+019) : clamp(1.0 / src.x, -1.884467e+019, -5.42101e-020) + dst.y = (1.0 / src.x) > 0.0 ? clamp(1.0 / src.x, 5.42101e-020, 1.884467e+019) : clamp(1.0 / src.x, -1.884467e+019, -5.42101e-020) + dst.z = (1.0 / src.x) > 0.0 ? clamp(1.0 / src.x, 5.42101e-020, 1.884467e+019) : clamp(1.0 / src.x, -1.884467e+019, -5.42101e-020) + dst.w = (1.0 / src.x) > 0.0 ? clamp(1.0 / src.x, 5.42101e-020, 1.884467e+019) : clamp(1.0 / src.x, -1.884467e+019, -5.42101e-020) + + +1.4.3 DPH - Homogeneous Dot Product + + dst.x = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z + src1.w + dst.y = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z + src1.w + dst.z = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z + src1.w + dst.w = src0.x * src1.x + src0.y * src1.y + src0.z * src1.z + src1.w + |