math: ensure alpha remains in 0.0-1.0 range

2022-01-07 16:16:59 -08:00
parent 3960f54e9c
commit fbed81bb98
1 changed files with 3 additions and 1 deletions
@@ -105,7 +105,9 @@ ShaderCode MathNodeBase::GetShaderCodeInternal(const QString &shader_id, const Q
                        "varying vec2 ove_texcoord;\n"
                        "\n"
                        "void main(void) {\n"
-                        "    gl_FragColor = %5;\n"
+                        "    vec4 c = %5;\n"
+                        "    c.a = clamp(c.a, 0.0, 1.0);\n" // Ensure alpha is 1.0
+                        "    gl_FragColor = c;\n"
                        "}\n").arg(GetShaderUniformType(type_a),
                                   GetShaderUniformType(type_b),
                                   param_a_in,