From 89d5e5637c82c5cfd03722b6703849437c3c15c3 Mon Sep 17 00:00:00 2001
From: Gregory Hainaut <gregory.hainaut@gmail.com>
Date: Fri, 24 Apr 2015 18:01:25 +0200
Subject: [PATCH] glsl: use an explicit cast insead of notEqual function

If the compiler didn't optimize the code, it will be a bit faster
---
 plugins/GSdx/res/glsl/tfx_fs.glsl | 6 ++----
 plugins/GSdx/res/glsl_source.h    | 6 ++----
 2 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/plugins/GSdx/res/glsl/tfx_fs.glsl b/plugins/GSdx/res/glsl/tfx_fs.glsl
index 818d15b201..4b5e414e47 100644
--- a/plugins/GSdx/res/glsl/tfx_fs.glsl
+++ b/plugins/GSdx/res/glsl/tfx_fs.glsl
@@ -283,12 +283,10 @@ vec4 sample_color(vec2 st, float q)
     // PERF: see the impact of the exansion before/after the interpolation
     for (int i = 0; i < 4; i++)
     {
-        // FIXME GLSL any only support bvec so try to mix it with notEqual
-        bvec3 rgb_check = notEqual( c[i].rgb, vec3(0.0f, 0.0f, 0.0f) );
 #if ((PS_FMT & ~FMT_PAL) == FMT_24)
-        c[i].a = ( (PS_AEM == 0) || any(rgb_check)  ) ? TA.x : 0.0f;
+        c[i].a = ( (PS_AEM == 0) || any(bvec3(c[i].rgb))  ) ? TA.x : 0.0f;
 #elif ((PS_FMT & ~FMT_PAL) == FMT_16)
-        c[i].a = c[i].a >= 0.5 ? TA.y : ( (PS_AEM == 0) || any(rgb_check) ) ? TA.x : 0.0f;
+        c[i].a = c[i].a >= 0.5 ? TA.y : ( (PS_AEM == 0) || any(bvec3(c[i].rgb)) ) ? TA.x : 0.0f;
 #endif
     }
 
diff --git a/plugins/GSdx/res/glsl_source.h b/plugins/GSdx/res/glsl_source.h
index ab76369ca7..fdc33c0ca7 100644
--- a/plugins/GSdx/res/glsl_source.h
+++ b/plugins/GSdx/res/glsl_source.h
@@ -1034,12 +1034,10 @@ static const char* tfx_fs_all_glsl =
 	"    // PERF: see the impact of the exansion before/after the interpolation\n"
 	"    for (int i = 0; i < 4; i++)\n"
 	"    {\n"
-	"        // FIXME GLSL any only support bvec so try to mix it with notEqual\n"
-	"        bvec3 rgb_check = notEqual( c[i].rgb, vec3(0.0f, 0.0f, 0.0f) );\n"
 	"#if ((PS_FMT & ~FMT_PAL) == FMT_24)\n"
-	"        c[i].a = ( (PS_AEM == 0) || any(rgb_check)  ) ? TA.x : 0.0f;\n"
+	"        c[i].a = ( (PS_AEM == 0) || any(bvec3(c[i].rgb))  ) ? TA.x : 0.0f;\n"
 	"#elif ((PS_FMT & ~FMT_PAL) == FMT_16)\n"
-	"        c[i].a = c[i].a >= 0.5 ? TA.y : ( (PS_AEM == 0) || any(rgb_check) ) ? TA.x : 0.0f;\n"
+	"        c[i].a = c[i].a >= 0.5 ? TA.y : ( (PS_AEM == 0) || any(bvec3(c[i].rgb)) ) ? TA.x : 0.0f;\n"
 	"#endif\n"
 	"    }\n"
 	"\n"