OpenGL Intel - Fix a error on DOF_DownSample_P.glsl.

Templates/Empty/game/shaders/common/postFx/dof/gl/DOF_DownSample_P.glsl

@@ -84,13 +84,16 @@ void main()
    // The CoC will be 1 if the depth is negative, so use "min" to pick  
    // between "sceneCoc" and "viewCoc".  
          
+   coc = half4(0);
    for ( int i = 0; i < 4; i++ )
    {
       depth[0] = prepassUncondition( depthSampler, ( IN_tcDepth0.xy + rowOfs[i] ) ).w;
       depth[1] = prepassUncondition( depthSampler, ( IN_tcDepth1.xy + rowOfs[i] ) ).w;
       depth[2] = prepassUncondition( depthSampler, ( IN_tcDepth2.xy + rowOfs[i] ) ).w;
       depth[3] = prepassUncondition( depthSampler, ( IN_tcDepth3.xy + rowOfs[i] ) ).w;
-      coc[i] = clamp( dofEqWorld.x * depth + dofEqWorld.y, 0.0, maxWorldCoC );  
+      
+      // @todo OPENGL INTEL need review
+      coc = max( coc, clamp( half4(dofEqWorld.x) * depth + half4(dofEqWorld.y), half4(0.0), half4(maxWorldCoC) ) );  
    }   
    
    /*

Templates/Full/game/shaders/common/postFx/dof/gl/DOF_DownSample_P.glsl

@@ -84,13 +84,16 @@ void main()
    // The CoC will be 1 if the depth is negative, so use "min" to pick  
    // between "sceneCoc" and "viewCoc".  
          
+   coc = half4(0);
    for ( int i = 0; i < 4; i++ )
    {
       depth[0] = prepassUncondition( depthSampler, ( IN_tcDepth0.xy + rowOfs[i] ) ).w;
       depth[1] = prepassUncondition( depthSampler, ( IN_tcDepth1.xy + rowOfs[i] ) ).w;
       depth[2] = prepassUncondition( depthSampler, ( IN_tcDepth2.xy + rowOfs[i] ) ).w;
       depth[3] = prepassUncondition( depthSampler, ( IN_tcDepth3.xy + rowOfs[i] ) ).w;
-      coc[i] = clamp( dofEqWorld.x * depth + dofEqWorld.y, 0.0, maxWorldCoC );  
+      
+      // @todo OPENGL INTEL need review
+      coc = max( coc, clamp( half4(dofEqWorld.x) * depth + half4(dofEqWorld.y), half4(0.0), half4(maxWorldCoC) ) );  
    }   
    
    /*