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authorMichal Krol <michal@vmware.com>2009-03-16 10:24:16 +0100
committerMichal Krol <michal@vmware.com>2009-03-16 10:24:16 +0100
commit1f3fe405547f2ad94d1c6140b0494297640dbe6e (patch)
treec639b7f1d288a4d17b6f0bc8ca000c4fcc1215d7 /src/gallium/auxiliary
parentbf3759e0d458029972433b905d0575a8e6a79d68 (diff)
tgsi: Begin documenting NV_gpu_program4 instruction set operations.
Diffstat (limited to 'src/gallium/auxiliary')
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt107
1 files changed, 107 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt b/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt
index dd79590792..939aaf0c2a 100644
--- a/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt
+++ b/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt
@@ -712,3 +712,110 @@ TGSI Instruction Specification
dst.y = pop()
dst.x = pop()
+
+1.11 GL_NV_gpu_program4
+------------------------
+
+
+1.11.1 CEIL - Ceiling
+
+ dst.x = ceil(src.x)
+ dst.y = ceil(src.y)
+ dst.z = ceil(src.z)
+ dst.w = ceil(src.w)
+
+
+1.11.2 I2F - Integer To Float
+
+ dst.x = (float) src.x
+ dst.y = (float) src.y
+ dst.z = (float) src.z
+ dst.w = (float) src.w
+
+
+1.11.3 NOT - Bitwise Not
+
+ dst.x = ~src.x
+ dst.y = ~src.y
+ dst.z = ~src.z
+ dst.w = ~src.w
+
+
+1.11.4 TRUNC - Truncate
+
+ dst.x = trunc(src.x)
+ dst.y = trunc(src.y)
+ dst.z = trunc(src.z)
+ dst.w = trunc(src.w)
+
+
+1.11.5 SHL - Shift Left
+
+ dst.x = src0.x << src1.x
+ dst.y = src0.y << src1.x
+ dst.z = src0.z << src1.x
+ dst.w = src0.w << src1.x
+
+
+1.11.6 SHR - Shift Right
+
+ dst.x = src0.x >> src1.x
+ dst.y = src0.y >> src1.x
+ dst.z = src0.z >> src1.x
+ dst.w = src0.w >> src1.x
+
+
+1.11.7 AND - Bitwise And
+
+ dst.x = src0.x & src1.x
+ dst.y = src0.y & src1.y
+ dst.z = src0.z & src1.z
+ dst.w = src0.w & src1.w
+
+
+1.11.8 OR - Bitwise Or
+
+ dst.x = src0.x | src1.x
+ dst.y = src0.y | src1.y
+ dst.z = src0.z | src1.z
+ dst.w = src0.w | src1.w
+
+
+1.11.9 MOD - Modulus
+
+ dst.x = src0.x % src1.x
+ dst.y = src0.y % src1.y
+ dst.z = src0.z % src1.z
+ dst.w = src0.w % src1.w
+
+
+1.11.10 XOR - Bitwise Xor
+
+ dst.x = src0.x ^ src1.x
+ dst.y = src0.y ^ src1.y
+ dst.z = src0.z ^ src1.z
+ dst.w = src0.w ^ src1.w
+
+
+1.11.11 SAD - Sum Of Absolute Differences
+
+ dst.x = abs(src0.x - src1.x) + src2.x
+ dst.y = abs(src0.y - src1.y) + src2.y
+ dst.z = abs(src0.z - src1.z) + src2.z
+ dst.w = abs(src0.w - src1.w) + src2.w
+
+
+1.11.12 TXF - Texel Fetch
+
+ TBD
+
+
+1.11.13 TXQ - Texture Size Query
+
+ TBD
+
+
+1.11.14 CONT - Continue
+
+ TBD
+