Mesa (master): tgsi: Begin documenting ARB_fragment_program instruction set operations.
MichaŠKról
michal at kemper.freedesktop.org
Thu Mar 12 17:33:41 UTC 2009
Module: Mesa
Branch: master
Commit: 98399eeda06c4065900e2aec25f762e1e1b9e7dc
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=98399eeda06c4065900e2aec25f762e1e1b9e7dc
Author: Michal Krol <michal at vmware.com>
Date: Thu Mar 12 11:30:33 2009 +0100
tgsi: Begin documenting ARB_fragment_program instruction set operations.
---
.../auxiliary/tgsi/tgsi-instruction-set.txt | 30 ++++++++++++++++++++
1 files changed, 30 insertions(+), 0 deletions(-)
diff --git a/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt b/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt
index 43193eb..e2bdb78 100644
--- a/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt
+++ b/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt
@@ -584,3 +584,33 @@ TGSI Instruction Specification
Alias for CROSSPRODUCT.
+
+1.8 GL_ARB_fragment_program
+----------------------------
+
+
+1.8.1 CMP - Compare
+
+ dst.x = (src0.x < 0.0) ? src1.x : src2.x
+ dst.y = (src0.y < 0.0) ? src1.y : src2.y
+ dst.z = (src0.z < 0.0) ? src1.z : src2.z
+ dst.w = (src0.w < 0.0) ? src1.w : src2.w
+
+
+1.8.2 KIL - Conditional Discard
+
+ TBD
+
+
+1.8.3 SCS - Sine Cosine
+
+ dst.x = cos(src.x)
+ dst.y = sin(src.x)
+ dst.z = 0.0
+ dst.y = 1.0
+
+
+1.8.4 TXB - Texture Lookup With Bias
+
+ TBD
+
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