Example review

examples/shaders/resources/shaders/glsl100/palette_switch.fs

@@ -1,29 +1,29 @@
-#version 100
-
-precision mediump float;
-
-const int colors = 8;
-
-// Input vertex attributes (from vertex shader)
-varying vec2 fragTexCoord;
-varying vec4 fragColor;
-
-// Input uniform values
-uniform sampler2D texture0;
-uniform ivec3 palette[colors];
-
-void main()
-{
-    // Texel color fetching from texture sampler
-    vec4 texelColor = texture(texture0, fragTexCoord) * fragColor;
-
-    // Convert the (normalized) texel color RED component (GB would work, too)
-    // to the palette index by scaling up from [0, 1] to [0, 255].
-    int index = int(texelColor.r * 255.0);
-    ivec3 color = palette[index];
-
-    // Calculate final fragment color. Note that the palette color components
-    // are defined in the range [0, 255] and need to be normalized to [0, 1]
-    // for OpenGL to work.
-    gl_FragColor = vec4(color / 255.0, texelColor.a);
-}
+#version 100
+
+precision mediump float;
+
+const int colors = 8;
+
+// Input vertex attributes (from vertex shader)
+varying vec2 fragTexCoord;
+varying vec4 fragColor;
+
+// Input uniform values
+uniform sampler2D texture0;
+uniform ivec3 palette[colors];
+
+void main()
+{
+    // Texel color fetching from texture sampler
+    vec4 texelColor = texture(texture0, fragTexCoord) * fragColor;
+
+    // Convert the (normalized) texel color RED component (GB would work, too)
+    // to the palette index by scaling up from [0, 1] to [0, 255].
+    int index = int(texelColor.r * 255.0);
+    ivec3 color = palette[index];
+
+    // Calculate final fragment color. Note that the palette color components
+    // are defined in the range [0, 255] and need to be normalized to [0, 1]
+    // for OpenGL to work.
+    gl_FragColor = vec4(color / 255.0, texelColor.a);
+}

examples/shaders/resources/shaders/glsl120/palette_switch.fs

@@ -1,27 +1,27 @@
-#version 120
-
-const int colors = 8;
-
-// Input fragment attributes (from fragment shader)
-varying vec2 fragTexCoord;
-varying vec4 fragColor;
-
-// Input uniform values
-uniform sampler2D texture0;
-uniform ivec3 palette[colors];
-
-void main()
-{
-    // Texel color fetching from texture sampler
-    vec4 texelColor = texture(texture0, fragTexCoord) * fragColor;
-
-    // Convert the (normalized) texel color RED component (GB would work, too)
-    // to the palette index by scaling up from [0, 1] to [0, 255].
-    int index = int(texelColor.r * 255.0);
-    ivec3 color = palette[index];
-
-    // Calculate final fragment color. Note that the palette color components
-    // are defined in the range [0, 255] and need to be normalized to [0, 1]
-    // for OpenGL to work.
-    gl_FragColor = vec4(color / 255.0, texelColor.a);
-}
+#version 120
+
+const int colors = 8;
+
+// Input fragment attributes (from fragment shader)
+varying vec2 fragTexCoord;
+varying vec4 fragColor;
+
+// Input uniform values
+uniform sampler2D texture0;
+uniform ivec3 palette[colors];
+
+void main()
+{
+    // Texel color fetching from texture sampler
+    vec4 texelColor = texture(texture0, fragTexCoord) * fragColor;
+
+    // Convert the (normalized) texel color RED component (GB would work, too)
+    // to the palette index by scaling up from [0, 1] to [0, 255].
+    int index = int(texelColor.r * 255.0);
+    ivec3 color = palette[index];
+
+    // Calculate final fragment color. Note that the palette color components
+    // are defined in the range [0, 255] and need to be normalized to [0, 1]
+    // for OpenGL to work.
+    gl_FragColor = vec4(color / 255.0, texelColor.a);
+}

examples/shaders/resources/shaders/glsl330/palette_switch.fs

@@ -1,30 +1,30 @@
-#version 330
-
-const int colors = 8;
-
-// Input fragment attributes (from fragment shader)
-in vec2 fragTexCoord;
-in vec4 fragColor;
-
-// Input uniform values
-uniform sampler2D texture0;
-uniform ivec3 palette[colors];
-
-// Output fragment color
-out vec4 finalColor;
-
-void main()
-{
-    // Texel color fetching from texture sampler
-    vec4 texelColor = texture(texture0, fragTexCoord)*fragColor;
-
-    // Convert the (normalized) texel color RED component (GB would work, too)
-    // to the palette index by scaling up from [0, 1] to [0, 255].
-    int index = int(texelColor.r * 255.0);
-    ivec3 color = palette[index];
-
-    // Calculate final fragment color. Note that the palette color components
-    // are defined in the range [0, 255] and need to be normalized to [0, 1]
-    // for OpenGL to work.
-    finalColor = vec4(color / 255.0, texelColor.a);
-}
+#version 330
+
+const int colors = 8;
+
+// Input fragment attributes (from fragment shader)
+in vec2 fragTexCoord;
+in vec4 fragColor;
+
+// Input uniform values
+uniform sampler2D texture0;
+uniform ivec3 palette[colors];
+
+// Output fragment color
+out vec4 finalColor;
+
+void main()
+{
+    // Texel color fetching from texture sampler
+    vec4 texelColor = texture(texture0, fragTexCoord)*fragColor;
+
+    // Convert the (normalized) texel color RED component (GB would work, too)
+    // to the palette index by scaling up from [0, 1] to [0, 255].
+    int index = int(texelColor.r*255.0);
+    ivec3 color = palette[index];
+
+    // Calculate final fragment color. Note that the palette color components
+    // are defined in the range [0, 255] and need to be normalized to [0, 1]
+    // for OpenGL to work.
+    finalColor = vec4(color/255.0, texelColor.a);
+}