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authorMichal Krol <michal@vmware.com>2009-03-11 11:55:27 +0100
committerMichal Krol <michal@vmware.com>2009-03-11 12:11:48 +0100
commit94cf8ea3b69038a1245c0b4546dbd8e4a32725f5 (patch)
treecad6a7d77c53c18ddb98f320916723f27e334642
parentddf7d8fe01a3db6f1107e2cb01e91d90b6bd11c6 (diff)
tgsi: Document NV_vertex_program1_1 instruction set operations.
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt28
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 0b581cce6c..1ad06ea975 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
+