Added support for the CMake build system

git-svn-id: https://sfml.svn.sourceforge.net/svnroot/sfml/branches/sfml2@1550 4e206d99-4929-0410-ac5d-dfc041789085

examples/shader/resources/blur.sfx

@@ -0,0 +1,20 @@
+uniform sampler2D texture;
+uniform float offset;
+
+void main()
+{
+	vec2 offx = vec2(offset, 0.0);
+	vec2 offy = vec2(0.0, offset);
+
+	vec4 pixel = texture2D(texture, gl_TexCoord[0].xy)               * 1 +
+                 texture2D(texture, gl_TexCoord[0].xy - offx)        * 2 +
+                 texture2D(texture, gl_TexCoord[0].xy + offx)        * 2 +
+                 texture2D(texture, gl_TexCoord[0].xy - offy)        * 2 +
+                 texture2D(texture, gl_TexCoord[0].xy + offy)        * 2 +
+                 texture2D(texture, gl_TexCoord[0].xy - offx - offy) * 1 +
+                 texture2D(texture, gl_TexCoord[0].xy - offx + offy) * 1 +
+                 texture2D(texture, gl_TexCoord[0].xy + offx - offy) * 1 +
+                 texture2D(texture, gl_TexCoord[0].xy + offx + offy) * 1;
+
+	gl_FragColor =  gl_Color * (pixel / 13.0);
+}

examples/shader/resources/colorize.sfx

@@ -0,0 +1,11 @@
+uniform sampler2D texture;
+uniform vec3 color;
+
+void main()
+{
+	vec4 pixel = texture2D(texture, gl_TexCoord[0].xy) * gl_Color;
+	float gray = pixel.r * 0.39 + pixel.g * 0.50 + pixel.b * 0.11;
+
+	gl_FragColor = vec4(gray * color, 1.0) * 0.6 + pixel * 0.4;
+	gl_FragColor.a = pixel.a;
+}

examples/shader/resources/edge.sfx

@@ -0,0 +1,31 @@
+uniform sampler2D texture;
+uniform float threshold;
+
+void main()
+{
+    const float offset = 1.0 / 512.0;
+	vec2 offx = vec2(offset, 0.0);
+	vec2 offy = vec2(0.0, offset);
+
+	vec4 hEdge = texture2D(texture, gl_TexCoord[0].xy - offy)        * -2.0 +
+                 texture2D(texture, gl_TexCoord[0].xy + offy)        *  2.0 +
+                 texture2D(texture, gl_TexCoord[0].xy - offx - offy) * -1.0 +
+                 texture2D(texture, gl_TexCoord[0].xy - offx + offy) *  1.0 +
+                 texture2D(texture, gl_TexCoord[0].xy + offx - offy) * -1.0 +
+                 texture2D(texture, gl_TexCoord[0].xy + offx + offy) *  1.0;
+
+	vec4 vEdge = texture2D(texture, gl_TexCoord[0].xy - offx)        *  2.0 +
+                 texture2D(texture, gl_TexCoord[0].xy + offx)        * -2.0 +
+                 texture2D(texture, gl_TexCoord[0].xy - offx - offy) *  1.0 +
+                 texture2D(texture, gl_TexCoord[0].xy - offx + offy) * -1.0 +
+                 texture2D(texture, gl_TexCoord[0].xy + offx - offy) *  1.0 +
+                 texture2D(texture, gl_TexCoord[0].xy + offx + offy) * -1.0;
+
+    vec3 result = sqrt(hEdge.rgb * hEdge.rgb + vEdge.rgb * vEdge.rgb);
+    float edge = length(result);
+    if (edge > threshold)
+        gl_FragColor.rgb = vec3(0, 0, 0);
+    else
+        gl_FragColor.rgb = vec3(1, 1, 1);
+	gl_FragColor.a = gl_Color.a * texture2D(texture, gl_TexCoord[0].xy).a;
+}

examples/shader/resources/fisheye.sfx

@@ -0,0 +1,13 @@
+uniform sampler2D texture;
+uniform vec2 mouse;
+
+void main()
+{
+	float len = distance(gl_TexCoord[0].xy, mouse) * 7.0;
+
+    vec2 coords = gl_TexCoord[0].xy;
+	if (len < 1.0)
+		coords += (gl_TexCoord[0].xy - mouse) * len;
+
+    gl_FragColor = texture2D(texture, coords) * gl_Color;	
+}

examples/shader/resources/nothing.sfx

@@ -0,0 +1,6 @@
+uniform sampler2D texture;
+
+void main()
+{
+	gl_FragColor = texture2D(texture, gl_TexCoord[0].xy) * gl_Color;
+}

examples/shader/resources/pixelate.sfx

@@ -0,0 +1,10 @@
+uniform sampler2D texture;
+uniform vec2 mouse;
+
+void main()
+{
+	float factor = 5 + 100 * length(mouse);
+	vec2 pos = floor(gl_TexCoord[0].xy * factor + 0.5) / factor;
+
+	gl_FragColor = texture2D(texture, pos) * gl_Color;	
+}

examples/shader/resources/wave.sfx

@@ -0,0 +1,12 @@
+uniform sampler2D texture;
+uniform sampler2D wave;
+uniform vec2 offset;
+
+void main()
+{
+	vec2 texoffset = vec2(texture2D(wave, (gl_TexCoord[0].xy * offset).xy));
+	texoffset -= vec2(0.5, 0.5);
+	texoffset *= 0.05;
+
+	gl_FragColor = texture2D(texture, gl_TexCoord[0].xy + texoffset) * gl_Color;
+}