Removed unused shader.

data/shaders/depthhistogram.comp

@@ -1,55 +0,0 @@
-uniform sampler2D depth;
-
-layout (local_size_x = 32, local_size_y = 32) in;
-
-layout (std430) buffer Histogram
-{
-    int bin[1024];
-    int mindepth;
-    int maxdepth;
-    int count;
-};
-
-vec4 getPosFromUVDepth(vec3 uvDepth, mat4 InverseProjectionMatrix);
-
-shared int sbin[1024];
-shared int smindepth;
-shared int smaxdepth;
-shared int scount;
-
-void main()
-{
-    int x = int(gl_GlobalInvocationID.x), y = int(gl_GlobalInvocationID.y);
-    vec2 uv = vec2(x, y) / screen;
-    float z = texture(depth, uv).x;
-    vec4 xpos = getPosFromUVDepth(vec3(uv, z), InverseProjectionMatrix);
-
-    int lineardepth = int(xpos.z * 4);
-
-
-    sbin[gl_LocalInvocationIndex] = 0;
-    if (gl_LocalInvocationIndex == 0) {
-        smindepth = 1000;
-        smaxdepth = 0;
-        scount = 0;
-    }
-
-    barrier();
-
-    if (lineardepth < 1000) {
-        atomicAdd(sbin[lineardepth], 1);
-        atomicAdd(scount, 1);
-        atomicMin(smindepth, lineardepth);
-        atomicMax(smaxdepth, lineardepth);
-     }
-
-    barrier();
-
-    atomicAdd(bin[gl_LocalInvocationIndex], sbin[gl_LocalInvocationIndex]);
-    if (gl_LocalInvocationIndex == 0) {
-        atomicAdd(count, scount);
-        atomicMin(mindepth, smindepth);
-        atomicMax(maxdepth, smaxdepth);
-    }
-}
-

src/graphics/shaders.cpp

@@ -470,17 +470,6 @@ namespace FullScreenShader
         glShaderStorageBlockBinding(m_program, block_idx, 1);
     }
 
-    DepthHistogramShader::DepthHistogramShader()
-    {
-        loadProgram(OBJECT,
-            GL_COMPUTE_SHADER, "depthhistogram.comp",
-            GL_COMPUTE_SHADER, "utils/getPosFromUVDepth.frag");
-        assignSamplerNames(0, "depth", ST_NEAREST_FILTERED);
-
-        GLuint block_idx = glGetProgramResourceIndex(m_program, GL_SHADER_STORAGE_BLOCK, "Histogram");
-        glShaderStorageBlockBinding(m_program, block_idx, 1);
-    }
-
     GlowShader::GlowShader()
     {
         loadProgram(OBJECT,

src/graphics/shaders.hpp

@@ -95,12 +95,6 @@ public:
     ShadowMatrixesGenerationShader();
 };
 
-class DepthHistogramShader : public TextureShader<DepthHistogramShader, 1>
-{
-public:
-    DepthHistogramShader();
-};
-
 class GlowShader : public TextureShader<GlowShader, 1>
 {
 public: