From 9be7f638130f46a9df2bfbcd4a03b36de9e4f3aa Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Tue, 13 Jul 2010 15:37:57 -0700 Subject: glsl2: Make cross() be an expression operation. ARB_fp, ARB_vp, Mesa IR, and the 965 vertex shader all have instructions for cross. Shaves 12 Mesa instructions off of a 66-instruction shader I have. --- src/glsl/builtin_function.cpp | 12 +----------- 1 file changed, 1 insertion(+), 11 deletions(-) (limited to 'src/glsl/builtin_function.cpp') diff --git a/src/glsl/builtin_function.cpp b/src/glsl/builtin_function.cpp index 1cf88ada16..b3a283306d 100644 --- a/src/glsl/builtin_function.cpp +++ b/src/glsl/builtin_function.cpp @@ -486,17 +486,7 @@ static const char *builtins_110_cross = { " (parameters\n" " (declare (in) vec3 arg0)\n" " (declare (in) vec3 arg1))\n" - " ((declare () vec3 t)\n" - " (assign (constant bool (1)) (swiz x (var_ref t))\n" - " (expression float - (expression float * (swiz y (var_ref arg0)) (swiz z (var_ref arg1)))\n" - " (expression float * (swiz y (var_ref arg1)) (swiz z (var_ref arg0)))))\n" - " (assign (constant bool (1)) (swiz y (var_ref t))\n" - " (expression float - (expression float * (swiz z (var_ref arg0)) (swiz x (var_ref arg1)))\n" - " (expression float * (swiz z (var_ref arg1)) (swiz x (var_ref arg0)))))\n" - " (assign (constant bool (1)) (swiz z (var_ref t))\n" - " (expression float - (expression float * (swiz x (var_ref arg0)) (swiz y (var_ref arg1)))\n" - " (expression float * (swiz x (var_ref arg1)) (swiz y (var_ref arg0)))))\n" - " (return (var_ref t))))\n" + " ((return (expression vec3 cross (var_ref arg0) (var_ref arg1)))))\n" "))\n" }; -- cgit v1.2.3