Additional fix.

Author: Franticware

src/shadermng.cpp

@@ -161,6 +161,7 @@ static void adaptShader(std::string& vs, std::string& fs, int opengl_profile)
         fs = std::regex_replace(fs, std::regex("gl_FragColor"), "fragColor");
         break;
     }
+    fs = std::regex_replace(fs, std::regex("#insertHalftoneTest"), "if (uHalftone != 0 && mod(floor(gl_FragCoord.x)+floor(gl_FragCoord.y), 2.0) < 0.5) discard;");
 }
 
 void ShaderMng::init()

src/shaders/car.fs.h

@@ -14,8 +14,7 @@ varying vec3 vCubeRay;
 
 void main()
 {
-    if (uHalftone != 0 && mod(mod(gl_FragCoord.x, 2.0)+mod(gl_FragCoord.y, 2.0)+0.5, 2.0) < 1.0)
-        discard;
+#insertHalftoneTest
     vec4 texColor = texture2D(uTex0, vTex);
     vec4 envColor = textureCube(uCube, vCubeRay);
     vec3 normal = vNormal;

src/shaders/car_top.fs.h

@@ -14,8 +14,7 @@ varying vec3 vCubeRay;
 
 void main()
 {
-    if (uHalftone != 0 && mod(mod(gl_FragCoord.x, 2.0)+mod(gl_FragCoord.y, 2.0)+0.5, 2.0) < 1.0)
-        discard;
+#insertHalftoneTest
     vec4 texColor = texture2D( uTex0, vTex );
     if (texColor.a < 0.5)
         discard;

src/shaders/color_tex.fs.h

@@ -9,8 +9,7 @@ varying vec4 vColor;
 
 void main()
 {
-    if (uHalftone != 0 && mod(mod(gl_FragCoord.x, 2.0)+mod(gl_FragCoord.y, 2.0)+0.5, 2.0) < 1.0)
-        discard;
+#insertHalftoneTest
     gl_FragColor = texture2D( uTex0, vTex ) * vColor;
     if (uAlphaDiscard != 0 && gl_FragColor.a < 0.5)
         discard;

src/shaders/glass_reflection.fs.h

@@ -14,8 +14,7 @@ varying vec3 vCubeRay;
 
 void main()
 {
-    if (uHalftone != 0 && mod(mod(gl_FragCoord.x, 2.0)+mod(gl_FragCoord.y, 2.0)+0.5, 2.0) < 1.0)
-        discard;
+#insertHalftoneTest
     vec4 texColor = texture2D(uTex0, vTex);
     if (texColor.a >= 0.5)
         discard;

src/shaders/glass_tint.fs.h

@@ -9,8 +9,7 @@ varying vec3 vCubeRay;
 
 void main()
 {
-    if (uHalftone != 0 && mod(mod(gl_FragCoord.x, 2.0)+mod(gl_FragCoord.y, 2.0)+0.5, 2.0) < 1.0)
-        discard;
+#insertHalftoneTest
     vec4 texColor = texture2D( uTex0, vTex );
     if (texColor.a >= 0.5)
         discard;

src/shaders/light_tex.fs.h

@@ -13,8 +13,7 @@ varying vec3 vNormal;
 
 void main()
 {
-    if (uHalftone != 0 && mod(mod(gl_FragCoord.x, 2.0)+mod(gl_FragCoord.y, 2.0)+0.5, 2.0) < 1.0)
-        discard;
+#insertHalftoneTest
     vec3 normal = vNormal;
     if (!gl_FrontFacing)
     {