Added global alpha support to all fragment shaders.

gameplay/res/shaders/bumped-specular.fsh

@@ -8,6 +8,9 @@ uniform vec3 u_ambientColor;                // Ambient color.
 uniform float u_specularExponent;           // Specular exponent or shininess property.
 uniform sampler2D u_diffuseTexture;         // Diffuse texture.
 uniform sampler2D u_normalMapTexture;       // Normal map texture.
+#if defined(GLOBAL_ALPHA)
+uniform float u_globalAlpha;                    // Global alpha value
+#endif
 
 // Inputs
 varying vec2 v_texCoord;                    // Texture Coordinate.
@@ -114,4 +117,8 @@ void main()
     // Light the pixel
     gl_FragColor.a = _baseColor.a;
     gl_FragColor.rgb = _ambientColor + _diffuseColor + _specularColor;
+
+#if defined(GLOBAL_ALPHA)
+    gl_FragColor.a *= u_globalAlpha;
+#endif
 }

gameplay/res/shaders/bumped.fsh

@@ -7,6 +7,9 @@ uniform vec3 u_lightColor;                   // Light color.
 uniform vec3 u_ambientColor;                 // Ambient color.
 uniform sampler2D u_diffuseTexture;          // Diffuse texture.
 uniform sampler2D u_normalMapTexture;        // Normal map texture.
+#if defined(GLOBAL_ALPHA)
+uniform float u_globalAlpha;                    // Global alpha value
+#endif
 
 // Inputs
 varying vec2 v_texCoord;                     // Texture Coordinate.
@@ -103,4 +106,8 @@ void main()
     // Light the pixel
     gl_FragColor.a = _baseColor.a;
     gl_FragColor.rgb = _ambientColor + _diffuseColor;
+
+#if defined(GLOBAL_ALPHA)
+    gl_FragColor.a *= u_globalAlpha;
+#endif
 }

gameplay/res/shaders/colored-specular.fsh

@@ -9,6 +9,9 @@ uniform float u_specularExponent;               // Specular exponent or shinines
 #if !defined(VERTEX_COLOR)
 uniform vec4 u_diffuseColor;                    // Diffuse color
 #endif
+#if defined(GLOBAL_ALPHA)
+uniform float u_globalAlpha;                    // Global alpha value
+#endif
 
 // Inputs
 varying vec3 v_normalVector;                    // NormalVector in view space
@@ -122,4 +125,8 @@ void main()
     // Light the pixel
     gl_FragColor.a = _baseColor.a;
     gl_FragColor.rgb = _ambientColor + _diffuseColor + _specularColor;
+
+#if defined(GLOBAL_ALPHA)
+    gl_FragColor.a *= u_globalAlpha;
+#endif
 }

gameplay/res/shaders/colored.fsh

@@ -6,6 +6,9 @@ precision highp float;
 uniform vec3 u_lightColor;                      // Light color
 uniform vec3 u_ambientColor;                    // Ambient color
 uniform vec4 u_diffuseColor;                    // Diffuse color
+#if defined(GLOBAL_ALPHA)
+uniform float u_globalAlpha;                    // Global alpha value
+#endif
 
 // Inputs
 varying vec3 v_normalVector;                    // NormalVector in view space.
@@ -101,4 +104,8 @@ void main()
     // Light the pixel
     gl_FragColor.a = _baseColor.a;
     gl_FragColor.rgb = _ambientColor + _diffuseColor;
+
+#if defined(GLOBAL_ALPHA)
+    gl_FragColor.a *= u_globalAlpha;
+#endif
 }

gameplay/res/shaders/diffuse-specular.fsh

@@ -7,6 +7,9 @@ uniform vec3 u_lightColor;                      // Light color
 uniform vec3 u_ambientColor;                    // Ambient color
 uniform float u_specularExponent;               // Specular exponent or shininess property.
 uniform sampler2D u_diffuseTexture;             // Diffuse texture.
+#if defined(GLOBAL_ALPHA)
+uniform float u_globalAlpha;                    // Global alpha value
+#endif
 
 // Inputs
 varying vec3 v_normalVector;                    // NormalVector in view space.
@@ -114,4 +117,8 @@ void main()
     // Light the pixel
     gl_FragColor.a = _baseColor.a;
     gl_FragColor.rgb = _ambientColor + _diffuseColor + _specularColor;
+
+#if defined(GLOBAL_ALPHA)
+    gl_FragColor.a *= u_globalAlpha;
+#endif
 }

gameplay/res/shaders/diffuse.fsh

@@ -6,6 +6,9 @@ precision highp float;
 uniform vec3 u_lightColor;                      // Light color
 uniform vec3 u_ambientColor;                    // Ambient color
 uniform sampler2D u_diffuseTexture;             // Diffuse texture.
+#if defined(GLOBAL_ALPHA)
+uniform float u_globalAlpha;                    // Global alpha value
+#endif
 
 // Inputs
 varying vec3 v_normalVector;                    // NormalVector in view space.
@@ -101,4 +104,8 @@ void main()
     // Light the pixel
     gl_FragColor.a = _baseColor.a;
     gl_FragColor.rgb = _ambientColor + _diffuseColor;
+
+#if defined(GLOBAL_ALPHA)
+    gl_FragColor.a *= u_globalAlpha;
+#endif
 }

gameplay/res/shaders/parallax-specular.fsh

@@ -10,6 +10,9 @@ uniform sampler2D u_diffuseTexture;             // Diffuse texture.
 uniform sampler2D u_bumpMapTexture;             // Height map texture
 uniform sampler2D u_normalMapTexture;           // Normal map texture.
 uniform float u_parallaxHeight;                 // Parallax height
+#if defined(GLOBAL_ALPHA)
+uniform float u_globalAlpha;                    // Global alpha value
+#endif
 
 // Inputs
 varying vec2 v_texCoord;                        // Texture Coordinate.
@@ -165,4 +168,8 @@ void main()
     // Light the pixel
     gl_FragColor.a = _baseColor.a;
     gl_FragColor.rgb = _ambientColor + _diffuseColor + _specularColor;
+
+#if defined(GLOBAL_ALPHA)
+    gl_FragColor.a *= u_globalAlpha;
+#endif
 }

gameplay/res/shaders/parallax.fsh

@@ -9,6 +9,9 @@ uniform sampler2D u_diffuseTexture;             // Diffuse texture.
 uniform sampler2D u_bumpMapTexture;             // Height map texture
 uniform sampler2D u_normalMapTexture;           // Normal map texture.
 uniform float u_parallaxHeight;                 // Parallax height
+#if defined(GLOBAL_ALPHA)
+uniform float u_globalAlpha;                    // Global alpha value
+#endif
 
 // Inputs
 varying vec2 v_texCoord;                        // Texture Coordinate.
@@ -157,4 +160,8 @@ void main()
     // Light the pixel
     gl_FragColor.a = _baseColor.a;
     gl_FragColor.rgb = _ambientColor + _diffuseColor;
+
+#if defined(GLOBAL_ALPHA)
+    gl_FragColor.a *= u_globalAlpha;
+#endif
 }

gameplay/res/shaders/solid.fsh

@@ -4,8 +4,15 @@ precision highp float;
 
 // Uniforms
 uniform vec4 u_diffuseColor;        // Diffuse color
+#if defined(GLOBAL_ALPHA)
+uniform float u_globalAlpha;        // Global alpha value
+#endif
 
 void main()
 {
     gl_FragColor = u_diffuseColor;
+
+#if defined(GLOBAL_ALPHA)
+    gl_FragColor.a *= u_globalAlpha;
+#endif
 }

gameplay/res/shaders/textured.fsh

@@ -5,6 +5,9 @@ precision highp float;
 // Uniforms
 uniform sampler2D u_diffuseTexture;     // Diffuse texture
 uniform vec4 u_diffuseColor;            // Diffuse color/tint
+#if defined(GLOBAL_ALPHA)
+uniform float u_globalAlpha;            // Global alpha value
+#endif
 
 // Inputs
 varying vec2 v_texCoord;                // Texture coordinate (u, v).
@@ -12,4 +15,8 @@ varying vec2 v_texCoord;                // Texture coordinate (u, v).
 void main()
 {
     gl_FragColor = texture2D(u_diffuseTexture, v_texCoord) * u_diffuseColor;
+
+#if defined(GLOBAL_ALPHA)
+    gl_FragColor.a *= u_globalAlpha;
+#endif
 }