1 files changed, 25 insertions, 0 deletions
diff --git a/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_Sharpen2DFilter.h b/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_Sharpen2DFilter.h
new file mode 100644
index 00000000000..640983482a9
--- /dev/null
+++ b/source/gameengine/Rasterizer/RAS_OpenGLFilters/RAS_Sharpen2DFilter.h
@@ -0,0 +1,25 @@
+#ifndef __RAS_SHARPEN2DFILTER
+#define __RAS_SHARPEN2DFILTER
+
+char * SharpenFragmentShader=STRINGIFY(
+uniform sampler2D sampler0;
+uniform vec2 tc_offset[9];
+
+void main(void)
+{
+    vec4 sample[9];
+
+    for (int i = 0; i < 9; i++)
+    {
+        sample[i] = texture2D(sampler0, 
+                              gl_TexCoord[0].st + tc_offset[i]);
+    }
+
+    gl_FragColor = (sample[4] * 9.0) - 
+                    (sample[0] + sample[1] + sample[2] + 
+                     sample[3] + sample[5] + 
+                     sample[6] + sample[7] + sample[8]);
+}
+);
+#endif
+