From: Michal Krol Date: Thu, 12 Mar 2009 10:30:33 +0000 (+0100) Subject: tgsi: Begin documenting ARB_fragment_program instruction set operations. X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=98399eeda06c4065900e2aec25f762e1e1b9e7dc;p=mesa.git tgsi: Begin documenting ARB_fragment_program instruction set operations. --- diff --git a/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt b/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt index 43193ebb993..e2bdb78a3f7 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 +