From 02d615306eb930bd6de9f1503ddd54ee33d3b930 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Wed, 30 Jun 2010 16:22:52 -0700 Subject: glsl2: Fix reversed value of step(). It's 0.0 if x < edge, not 1.0. Partial fix for glsl-fs-step. --- src/glsl/builtin_function.cpp | 38 +++++++++++++++++++------------------- src/glsl/builtins/110/step | 38 +++++++++++++++++++------------------- 2 files changed, 38 insertions(+), 38 deletions(-) diff --git a/src/glsl/builtin_function.cpp b/src/glsl/builtin_function.cpp index 626ba4e2bf3..811c5b20ac3 100644 --- a/src/glsl/builtin_function.cpp +++ b/src/glsl/builtin_function.cpp @@ -2164,15 +2164,15 @@ static const char *builtins_110_step = { " (parameters\n" " (declare (in) float edge)\n" " (declare (in) float x))\n" - " ((return (expression float b2f (expression bool < (var_ref x) (var_ref edge))))))\n" + " ((return (expression float b2f (expression bool >= (var_ref x) (var_ref edge))))))\n" "\n" " (signature vec2\n" " (parameters\n" " (declare (in) float edge)\n" " (declare (in) vec2 x))\n" " ((declare () vec2 t)\n" - " (assign (constant bool (1)) (swiz x (var_ref t)) (expression float b2f (expression bool < (swiz x (var_ref x))(var_ref edge))))\n" - " (assign (constant bool (1)) (swiz y (var_ref t)) (expression float b2f (expression bool < (swiz y (var_ref x))(var_ref edge))))\n" + " (assign (constant bool (1)) (swiz x (var_ref t)) (expression float b2f (expression bool >= (swiz x (var_ref x))(var_ref edge))))\n" + " (assign (constant bool (1)) (swiz y (var_ref t)) (expression float b2f (expression bool >= (swiz y (var_ref x))(var_ref edge))))\n" " (return (var_ref t))))\n" "\n" " (signature vec3\n" @@ -2180,9 +2180,9 @@ static const char *builtins_110_step = { " (declare (in) float edge)\n" " (declare (in) vec3 x))\n" " ((declare () vec3 t)\n" - " (assign (constant bool (1)) (swiz x (var_ref t)) (expression float b2f (expression bool < (swiz x (var_ref x))(var_ref edge))))\n" - " (assign (constant bool (1)) (swiz y (var_ref t)) (expression float b2f (expression bool < (swiz y (var_ref x))(var_ref edge))))\n" - " (assign (constant bool (1)) (swiz z (var_ref t)) (expression float b2f (expression bool < (swiz z (var_ref x))(var_ref edge))))\n" + " (assign (constant bool (1)) (swiz x (var_ref t)) (expression float b2f (expression bool >= (swiz x (var_ref x))(var_ref edge))))\n" + " (assign (constant bool (1)) (swiz y (var_ref t)) (expression float b2f (expression bool >= (swiz y (var_ref x))(var_ref edge))))\n" + " (assign (constant bool (1)) (swiz z (var_ref t)) (expression float b2f (expression bool >= (swiz z (var_ref x))(var_ref edge))))\n" " (return (var_ref t))))\n" "\n" " (signature vec4\n" @@ -2190,10 +2190,10 @@ static const char *builtins_110_step = { " (declare (in) float edge)\n" " (declare (in) vec4 x))\n" " ((declare () vec4 t)\n" - " (assign (constant bool (1)) (swiz x (var_ref t)) (expression float b2f (expression bool < (swiz x (var_ref x))(var_ref edge))))\n" - " (assign (constant bool (1)) (swiz y (var_ref t)) (expression float b2f (expression bool < (swiz y (var_ref x))(var_ref edge))))\n" - " (assign (constant bool (1)) (swiz z (var_ref t)) (expression float b2f (expression bool < (swiz z (var_ref x))(var_ref edge))))\n" - " (assign (constant bool (1)) (swiz w (var_ref t)) (expression float b2f (expression bool < (swiz w (var_ref x))(var_ref edge))))\n" + " (assign (constant bool (1)) (swiz x (var_ref t)) (expression float b2f (expression bool >= (swiz x (var_ref x))(var_ref edge))))\n" + " (assign (constant bool (1)) (swiz y (var_ref t)) (expression float b2f (expression bool >= (swiz y (var_ref x))(var_ref edge))))\n" + " (assign (constant bool (1)) (swiz z (var_ref t)) (expression float b2f (expression bool >= (swiz z (var_ref x))(var_ref edge))))\n" + " (assign (constant bool (1)) (swiz w (var_ref t)) (expression float b2f (expression bool >= (swiz w (var_ref x))(var_ref edge))))\n" " (return (var_ref t))))\n" "\n" " (signature vec2\n" @@ -2201,8 +2201,8 @@ static const char *builtins_110_step = { " (declare (in) vec2 edge)\n" " (declare (in) vec2 x))\n" " ((declare () vec2 t)\n" - " (assign (constant bool (1)) (swiz x (var_ref t)) (expression float b2f (expression bool < (swiz x (var_ref x))(swiz x (var_ref edge)))))\n" - " (assign (constant bool (1)) (swiz y (var_ref t)) (expression float b2f (expression bool < (swiz y (var_ref x))(swiz y (var_ref edge)))))\n" + " (assign (constant bool (1)) (swiz x (var_ref t)) (expression float b2f (expression bool >= (swiz x (var_ref x))(swiz x (var_ref edge)))))\n" + " (assign (constant bool (1)) (swiz y (var_ref t)) (expression float b2f (expression bool >= (swiz y (var_ref x))(swiz y (var_ref edge)))))\n" " (return (var_ref t))))\n" "\n" " (signature vec3\n" @@ -2210,9 +2210,9 @@ static const char *builtins_110_step = { " (declare (in) vec3 edge)\n" " (declare (in) vec3 x))\n" " ((declare () vec3 t)\n" - " (assign (constant bool (1)) (swiz x (var_ref t)) (expression float b2f (expression bool < (swiz x (var_ref x))(swiz x (var_ref edge)))))\n" - " (assign (constant bool (1)) (swiz y (var_ref t)) (expression float b2f (expression bool < (swiz y (var_ref x))(swiz y (var_ref edge)))))\n" - " (assign (constant bool (1)) (swiz z (var_ref t)) (expression float b2f (expression bool < (swiz z (var_ref x))(swiz z (var_ref edge)))))\n" + " (assign (constant bool (1)) (swiz x (var_ref t)) (expression float b2f (expression bool >= (swiz x (var_ref x))(swiz x (var_ref edge)))))\n" + " (assign (constant bool (1)) (swiz y (var_ref t)) (expression float b2f (expression bool >= (swiz y (var_ref x))(swiz y (var_ref edge)))))\n" + " (assign (constant bool (1)) (swiz z (var_ref t)) (expression float b2f (expression bool >= (swiz z (var_ref x))(swiz z (var_ref edge)))))\n" " (return (var_ref t))))\n" "\n" " (signature vec4\n" @@ -2220,10 +2220,10 @@ static const char *builtins_110_step = { " (declare (in) vec4 edge)\n" " (declare (in) vec4 x))\n" " ((declare () vec4 t)\n" - " (assign (constant bool (1)) (swiz x (var_ref t)) (expression float b2f (expression bool < (swiz x (var_ref x))(swiz x (var_ref edge)))))\n" - " (assign (constant bool (1)) (swiz y (var_ref t)) (expression float b2f (expression bool < (swiz y (var_ref x))(swiz y (var_ref edge)))))\n" - " (assign (constant bool (1)) (swiz z (var_ref t)) (expression float b2f (expression bool < (swiz y (var_ref x))(swiz z (var_ref edge)))))\n" - " (assign (constant bool (1)) (swiz w (var_ref t)) (expression float b2f (expression bool < (swiz w (var_ref x))(swiz w (var_ref edge)))))\n" + " (assign (constant bool (1)) (swiz x (var_ref t)) (expression float b2f (expression bool >= (swiz x (var_ref x))(swiz x (var_ref edge)))))\n" + " (assign (constant bool (1)) (swiz y (var_ref t)) (expression float b2f (expression bool >= (swiz y (var_ref x))(swiz y (var_ref edge)))))\n" + " (assign (constant bool (1)) (swiz z (var_ref t)) (expression float b2f (expression bool >= (swiz y (var_ref x))(swiz z (var_ref edge)))))\n" + " (assign (constant bool (1)) (swiz w (var_ref t)) (expression float b2f (expression bool >= (swiz w (var_ref x))(swiz w (var_ref edge)))))\n" " (return (var_ref t))))\n" "))\n" "\n" diff --git a/src/glsl/builtins/110/step b/src/glsl/builtins/110/step index 1cc2b51f8fb..ce6f4354228 100644 --- a/src/glsl/builtins/110/step +++ b/src/glsl/builtins/110/step @@ -3,15 +3,15 @@ (parameters (declare (in) float edge) (declare (in) float x)) - ((return (expression float b2f (expression bool < (var_ref x) (var_ref edge)))))) + ((return (expression float b2f (expression bool >= (var_ref x) (var_ref edge)))))) (signature vec2 (parameters (declare (in) float edge) (declare (in) vec2 x)) ((declare () vec2 t) - (assign (constant bool (1)) (swiz x (var_ref t)) (expression float b2f (expression bool < (swiz x (var_ref x))(var_ref edge)))) - (assign (constant bool (1)) (swiz y (var_ref t)) (expression float b2f (expression bool < (swiz y (var_ref x))(var_ref edge)))) + (assign (constant bool (1)) (swiz x (var_ref t)) (expression float b2f (expression bool >= (swiz x (var_ref x))(var_ref edge)))) + (assign (constant bool (1)) (swiz y (var_ref t)) (expression float b2f (expression bool >= (swiz y (var_ref x))(var_ref edge)))) (return (var_ref t)))) (signature vec3 @@ -19,9 +19,9 @@ (declare (in) float edge) (declare (in) vec3 x)) ((declare () vec3 t) - (assign (constant bool (1)) (swiz x (var_ref t)) (expression float b2f (expression bool < (swiz x (var_ref x))(var_ref edge)))) - (assign (constant bool (1)) (swiz y (var_ref t)) (expression float b2f (expression bool < (swiz y (var_ref x))(var_ref edge)))) - (assign (constant bool (1)) (swiz z (var_ref t)) (expression float b2f (expression bool < (swiz z (var_ref x))(var_ref edge)))) + (assign (constant bool (1)) (swiz x (var_ref t)) (expression float b2f (expression bool >= (swiz x (var_ref x))(var_ref edge)))) + (assign (constant bool (1)) (swiz y (var_ref t)) (expression float b2f (expression bool >= (swiz y (var_ref x))(var_ref edge)))) + (assign (constant bool (1)) (swiz z (var_ref t)) (expression float b2f (expression bool >= (swiz z (var_ref x))(var_ref edge)))) (return (var_ref t)))) (signature vec4 @@ -29,10 +29,10 @@ (declare (in) float edge) (declare (in) vec4 x)) ((declare () vec4 t) - (assign (constant bool (1)) (swiz x (var_ref t)) (expression float b2f (expression bool < (swiz x (var_ref x))(var_ref edge)))) - (assign (constant bool (1)) (swiz y (var_ref t)) (expression float b2f (expression bool < (swiz y (var_ref x))(var_ref edge)))) - (assign (constant bool (1)) (swiz z (var_ref t)) (expression float b2f (expression bool < (swiz z (var_ref x))(var_ref edge)))) - (assign (constant bool (1)) (swiz w (var_ref t)) (expression float b2f (expression bool < (swiz w (var_ref x))(var_ref edge)))) + (assign (constant bool (1)) (swiz x (var_ref t)) (expression float b2f (expression bool >= (swiz x (var_ref x))(var_ref edge)))) + (assign (constant bool (1)) (swiz y (var_ref t)) (expression float b2f (expression bool >= (swiz y (var_ref x))(var_ref edge)))) + (assign (constant bool (1)) (swiz z (var_ref t)) (expression float b2f (expression bool >= (swiz z (var_ref x))(var_ref edge)))) + (assign (constant bool (1)) (swiz w (var_ref t)) (expression float b2f (expression bool >= (swiz w (var_ref x))(var_ref edge)))) (return (var_ref t)))) (signature vec2 @@ -40,8 +40,8 @@ (declare (in) vec2 edge) (declare (in) vec2 x)) ((declare () vec2 t) - (assign (constant bool (1)) (swiz x (var_ref t)) (expression float b2f (expression bool < (swiz x (var_ref x))(swiz x (var_ref edge))))) - (assign (constant bool (1)) (swiz y (var_ref t)) (expression float b2f (expression bool < (swiz y (var_ref x))(swiz y (var_ref edge))))) + (assign (constant bool (1)) (swiz x (var_ref t)) (expression float b2f (expression bool >= (swiz x (var_ref x))(swiz x (var_ref edge))))) + (assign (constant bool (1)) (swiz y (var_ref t)) (expression float b2f (expression bool >= (swiz y (var_ref x))(swiz y (var_ref edge))))) (return (var_ref t)))) (signature vec3 @@ -49,9 +49,9 @@ (declare (in) vec3 edge) (declare (in) vec3 x)) ((declare () vec3 t) - (assign (constant bool (1)) (swiz x (var_ref t)) (expression float b2f (expression bool < (swiz x (var_ref x))(swiz x (var_ref edge))))) - (assign (constant bool (1)) (swiz y (var_ref t)) (expression float b2f (expression bool < (swiz y (var_ref x))(swiz y (var_ref edge))))) - (assign (constant bool (1)) (swiz z (var_ref t)) (expression float b2f (expression bool < (swiz z (var_ref x))(swiz z (var_ref edge))))) + (assign (constant bool (1)) (swiz x (var_ref t)) (expression float b2f (expression bool >= (swiz x (var_ref x))(swiz x (var_ref edge))))) + (assign (constant bool (1)) (swiz y (var_ref t)) (expression float b2f (expression bool >= (swiz y (var_ref x))(swiz y (var_ref edge))))) + (assign (constant bool (1)) (swiz z (var_ref t)) (expression float b2f (expression bool >= (swiz z (var_ref x))(swiz z (var_ref edge))))) (return (var_ref t)))) (signature vec4 @@ -59,10 +59,10 @@ (declare (in) vec4 edge) (declare (in) vec4 x)) ((declare () vec4 t) - (assign (constant bool (1)) (swiz x (var_ref t)) (expression float b2f (expression bool < (swiz x (var_ref x))(swiz x (var_ref edge))))) - (assign (constant bool (1)) (swiz y (var_ref t)) (expression float b2f (expression bool < (swiz y (var_ref x))(swiz y (var_ref edge))))) - (assign (constant bool (1)) (swiz z (var_ref t)) (expression float b2f (expression bool < (swiz y (var_ref x))(swiz z (var_ref edge))))) - (assign (constant bool (1)) (swiz w (var_ref t)) (expression float b2f (expression bool < (swiz w (var_ref x))(swiz w (var_ref edge))))) + (assign (constant bool (1)) (swiz x (var_ref t)) (expression float b2f (expression bool >= (swiz x (var_ref x))(swiz x (var_ref edge))))) + (assign (constant bool (1)) (swiz y (var_ref t)) (expression float b2f (expression bool >= (swiz y (var_ref x))(swiz y (var_ref edge))))) + (assign (constant bool (1)) (swiz z (var_ref t)) (expression float b2f (expression bool >= (swiz y (var_ref x))(swiz z (var_ref edge))))) + (assign (constant bool (1)) (swiz w (var_ref t)) (expression float b2f (expression bool >= (swiz w (var_ref x))(swiz w (var_ref edge))))) (return (var_ref t)))) )) -- cgit v1.2.3