renamed filter functions in GLSL shader code, fixes #27

Author: christiankerl

examples/protonect/src/shader/filter1.fs

@@ -49,7 +49,7 @@ layout(location = 1) out vec3 FilterA;
 layout(location = 2) out vec3 FilterB;
 layout(location = 3) out uint MaxEdgeTest;
 
-void filter(ivec2 uv)
+void applyBilateralFilter(ivec2 uv)
 {
   vec3 threshold = vec3((Params.joint_bilateral_ab_threshold * Params.joint_bilateral_ab_threshold) / (Params.ab_multiplier * Params.ab_multiplier));
   vec3 joint_bilateral_exp = vec3(Params.joint_bilateral_exp);
@@ -117,7 +117,7 @@ void main(void)
 {
   ivec2 uv = ivec2(FragmentIn.TexCoord.x, FragmentIn.TexCoord.y);
 
-  filter(uv);
+  applyBilateralFilter(uv);
 
   vec3 norm = sqrt(FilterA * FilterA + FilterB * FilterB);
   float i = min(dot(norm, vec3(0.333333333  * Params.ab_multiplier * Params.ab_output_multiplier)), 65535.0);

examples/protonect/src/shader/filter2.fs

@@ -46,7 +46,7 @@ in VertexData {
 layout(location = 0) out vec4 Debug;
 layout(location = 1) out float FilterDepth;
 
-void filter(ivec2 uv)
+void applyEdgeAwareFilter(ivec2 uv)
 {
   vec2 v = texelFetch(DepthAndIrSum, uv).xy;
 
@@ -128,7 +128,7 @@ void main(void)
 {
   ivec2 uv = ivec2(FragmentIn.TexCoord.x, FragmentIn.TexCoord.y);
 
-  filter(uv);
+  applyEdgeAwareFilter(uv);
 
   Debug = vec4(vec3(FilterDepth / Params.max_depth), 1);
 }