Transform Feedback uncleaned

data/shader/DispMapping.fsh

-#pragma import "CommonDeferredFrag.glsl"
+#version 410 core
+
+in vec3 gNormal;
+in vec2 gTexCoord;
+in vec3 gPosition;
 
 in vec3 gPatchDistance;
 in vec3 gTriDistance;
 
+uniform sampler2D uTexture;
+uniform vec4 uEmissiveColor;
+uniform vec4 uTintColor;
+uniform float uTime;
+
+uniform mat4 uModelMatrix;
+uniform mat4 uViewProjectionMatrix;
+
+uniform mat4 uPrevModelMatrix;
+uniform mat4 uPrevViewProjectionMatrix;
+
+out vec4 oColor;
+out vec4 oEmissive;
+out vec3 oNormal;
+out vec3 oMotion;
+
+float rand(vec2 co){
+    return fract(sin(dot(co.xy ,vec2(12.9898,78.233))) * 43758.5453);
+}
+
 float amplify(float d, float scale, float offset){
   d = scale * d + offset;
   d = clamp(d, 0, 1);
@@ -12,7 +36,7 @@ float amplify(float d, float scale, float offset){
 
 
 vec4 color() {
-  vec4 color = texture(uTexture, teTexCoord).rgba * uTintColor;
+  vec4 color = texture(uTexture, gTexCoord).rgba * uTintColor;
 
   float d1 = min(min(gTriDistance.x, gTriDistance.y), gTriDistance.z);
   float d2 = min(min(gPatchDistance.x, gPatchDistance.y), gPatchDistance.z);
@@ -26,5 +50,26 @@ vec4 emissive() {
 }
 
 vec3 normal() {
-  return teNormal;
+  return gNormal;
+}
+
+void main()
+{    
+    vec4 color = color();
+
+    float sampl = rand(gl_FragCoord.xy + vec2(mod(uTime,1)));
+
+    if(sampl > color.a) discard;
+    
+    vec4 thisPosition = uViewProjectionMatrix * vec4(gPosition, 1);
+    vec4 prevPosition = uPrevViewProjectionMatrix * uPrevModelMatrix *  inverse(uModelMatrix) * vec4(gPosition, 1);
+    
+    vec3 prevFragCoord = prevPosition.xyz/prevPosition.w; 
+    vec3 thisFragCoord = thisPosition.xyz/thisPosition.w;
+    
+    oMotion = (thisFragCoord-prevFragCoord)*0.5;
+    oMotion.z = thisPosition.z;
+    oColor = color;
+    oEmissive = emissive();
+    oNormal = normalize(normal());
 }
\ No newline at end of file

data/shader/DispMapping.gsh

@@ -3,15 +3,15 @@
 layout(triangles) in;
 layout(triangle_strip, max_vertices = 3) out;
 
-in vec3 tPosition[3];
-in vec3 tPatchDistance[3];
+precise in vec3 tPosition[3];
+precise in vec3 tPatchDistance[3];
 
-in vec3 tNormal[3];
+precise in vec3 tNormal[3];
 in vec2 tTexCoord[3];
 
-out vec3 teNormal;
-out vec3 tePosition;
-out vec2 teTexCoord;
+precise out vec3 gNormal;
+precise out vec3 gPosition;
+precise out vec2 gTexCoord;
 
 out vec3 gPatchDistance;
 out vec3 gTriDistance;
@@ -23,28 +23,28 @@ void main()
 {
     vec3 A = tPosition[2] - tPosition[0];
     vec3 B = tPosition[1] - tPosition[0];
-    teNormal = -normalize(cross(A, B));
+    gNormal = -normalize(cross(A, B));
 
     
     gPatchDistance = tPatchDistance[0];
-    //teNormal = tNormal[0];
-    teTexCoord = tTexCoord[0];
-    tePosition = tPosition[0];
+    //gNormal = tNormal[0];
+    gTexCoord = tTexCoord[0];
+    gPosition = tPosition[0];
 
     gTriDistance = vec3(1, 0, 0);
     gl_Position = gl_in[0].gl_Position; EmitVertex();
 
-    //teNormal = tNormal[1];
-    teTexCoord = tTexCoord[1];
-    tePosition = tPosition[1];
+    //gNormal = tNormal[1];
+    gTexCoord = tTexCoord[1];
+    gPosition = tPosition[1];
 
     gPatchDistance = tPatchDistance[1];
     gTriDistance = vec3(0, 1, 0);
     gl_Position = gl_in[1].gl_Position; EmitVertex();
 
-    //teNormal = tNormal[2];
-    teTexCoord = tTexCoord[2];
-    tePosition = tPosition[2];
+    //gNormal = tNormal[2];
+    gTexCoord = tTexCoord[2];
+    gPosition = tPosition[2];
 
     gPatchDistance = tPatchDistance[2];
     gTriDistance = vec3(0, 0, 1);

data/shader/DispMapping.tcsh

@@ -2,15 +2,17 @@
 
 layout(vertices = 3) out;
 
-in vec3 vPosition[];
-in vec2 vTexCoord[];
-in vec3 vNormal[];
-in vec3 vLocal[];
+precise in vec3 vNormal[];
+precise in vec3 vPosition[];
+precise in vec2 vTexCoord[];
 
 precise out vec3 tcNormal[];
 precise out vec2 tcTexCoord[];
 precise out vec3 tcPosition[];
 
+in vec3 tcPatchDistance[];
+in vec3 tcTriDistance[];
+
 uniform mat4 uViewProjectionMatrix;
 uniform mat4 uModelMatrix;
 
@@ -20,31 +22,31 @@ uniform vec3 cameraPosition;
 
 
 float getTessLevel(float d0, float d1){
-
+	//return 1;
     float avg = (d0 + d1) / 2.0;
-    if(avg >= 2500){
+    if(avg >= 500){
    		return 1;
    	}
-   	if(avg >= 1500){
+   	if(avg >= 400){
    		return 2;
    	}
-   	if(avg >= 1000){
+   	if(avg >= 300){
    		return 4;
    	}
-   	if(avg >= 500){
+   	if(avg >= 250){
    		return 8;
    	}
    	if(avg >= 200){
    		return 16;
    	}
-   	if(avg >= 100){
+   	if(avg >= 150){
    		return 32;
    	}
-   	if(avg >= 50){
+   	if(avg >= 100){
    		return 64;
    	}
-   	else if(avg <= 0){
-   		return 0;
+   	if(avg >= 0){
+   		return 64;
    	}
    	else return 1;
 }

data/shader/DispMapping.tesh

@@ -6,9 +6,13 @@ precise in vec2 tcTexCoord[];
 precise in vec3 tcNormal[];
 precise in vec3 tcPosition[];
 
+in vec3 tcPatchDistance[];
+in vec3 tcTriDistance[];
+
 precise out vec3 tNormal;
 precise out vec2 tTexCoord;
 precise out vec3 tPosition;
+
 out vec3 tPatchDistance;
 
 uniform mat4 uViewProjectionMatrix;
@@ -210,9 +214,10 @@ void main(){
 
   //vec4 camWorld = uModelMatrix * vec4(tPosition, 1.0);
 
-  tPosition += tNormal * fBM( tPosition , 8, 32, 0.007 ) ;
+  tPosition += tNormal * fBM( tPosition , 8, 64, 0.007) ;
   
   tNormal = inverse(transpose(mat3(uModelMatrix))) * normalize(tNormal);
+  
   tPosition = (uModelMatrix * vec4(tPosition, 1)).xyz;
 
   gl_Position = uViewProjectionMatrix * vec4(tPosition, 1);

data/shader/DispMapping.vsh

-#pragma import "CommonDeferredVert.glsl"
+#version 410 core
 
-vec3 normal() {
-  return aNormal;
-}
+precise in vec3 gNormal;
+precise in vec3 gPosition;
+precise in vec2 gTexCoord;
 
-vec2 texCoord() {
-  return aTexCoord;
-}
+in vec3 gPatchDistance;
+in vec3 gTriDistance;
 
-vec3 position() {
-  return aPosition;
+precise out vec3 vNormal;
+precise out vec3 vPosition;
+precise out vec2 vTexCoord;
+
+out vec3 vPatchDistance;
+out vec3 vTriDistance;
+
+uniform mat4 uModelMatrix;
+uniform mat4 uViewProjectionMatrix;
+
+void main(){
+  vNormal = gNormal;
+  vPosition = gPosition;
+  vTexCoord = gTexCoord;
+
+  vPatchDistance = gPatchDistance;
+  vTriDistance = gTriDistance;
+
+  
+  //gl_Position = uViewProjectionMatrix * vec4(gPosition, 1);// vec4(0, 0, 0, 1);
 }
\ No newline at end of file

data/shader/TerrainTransformFeedback.gsh

+#version 410 core
+
+layout(triangles) in;
+layout(triangle_strip, max_vertices = 3) out;
+
+precise in vec3 tPosition[3];
+precise in vec3 tPatchDistance[3];
+
+precise in vec3 tNormal[3];
+precise in vec2 tTexCoord[3];
+
+precise out vec3 gNormal;
+precise out vec3 gPosition;
+precise out vec2 gTexCoord;
+
+precise out vec3 gPatchDistance;
+precise out vec3 gTriDistance;
+
+uniform mat4 uViewProjectionMatrix;
+uniform mat4 uModelMatrix;
+
+void main()
+{
+    vec3 A = tPosition[2] - tPosition[0];
+    vec3 B = tPosition[1] - tPosition[0];
+    gNormal = -normalize(cross(A, B));
+    //gNormal = vec3(1.11, 1.11, 1.11);
+    
+    gPatchDistance = tPatchDistance[0];
+    //gNormal = tNormal[0];
+    gTexCoord = tTexCoord[0];
+    gPosition = tPosition[0];
+
+    gTriDistance = vec3(1, 0, 0);
+    gl_Position = gl_in[0].gl_Position; EmitVertex();
+
+    //gNormal = tNormal[1];
+    gTexCoord = tTexCoord[1];
+    gPosition = tPosition[1];
+
+    gPatchDistance = tPatchDistance[1];
+    gTriDistance = vec3(0, 1, 0);
+    gl_Position = gl_in[1].gl_Position; EmitVertex();
+
+    //gNormal = tNormal[2];
+    gTexCoord = tTexCoord[2];
+    gPosition = tPosition[2];
+
+    gPatchDistance = tPatchDistance[2];
+    gTriDistance = vec3(0, 0, 1);
+    gl_Position = gl_in[2].gl_Position; EmitVertex();
+
+    EndPrimitive();
+}

data/shader/TerrainTransformFeedback.tcsh

+#version 410 core
+
+layout(vertices = 3) out;
+
+in vec3 vPosition[];
+in vec2 vTexCoord[];
+in vec3 vNormal[];
+in vec3 vLocal[];
+
+precise out vec3 tcNormal[];
+precise out vec2 tcTexCoord[];
+precise out vec3 tcPosition[];
+
+uniform mat4 uViewProjectionMatrix;
+uniform mat4 uModelMatrix;
+
+uniform vec3 cameraPosition;
+
+#define ID gl_InvocationID
+
+
+float getTessLevel(float d0, float d1){
+
+    float avg = (d0 + d1) / 2.0;
+    if(avg >= 2500){
+   		return 1;
+   	}
+   	if(avg >= 1500){
+   		return 2;
+   	}
+   	if(avg >= 1000){
+   		return 4;
+   	}
+   	if(avg >= 500){
+   		return 8;
+   	}
+   	if(avg >= 200){
+   		return 16;
+   	}
+   	if(avg >= 100){
+   		return 32;
+   	}
+   	if(avg >= 50){
+   		return 64;
+   	}
+   	if(avg >= 0){
+   		return 64;
+   	}
+   	else return 1;
+}
+
+
+void main(){
+
+	tcNormal[ID] = vNormal[ID];
+	tcTexCoord[ID] = vTexCoord[ID];
+	tcPosition[ID] = vPosition[ID];
+
+	if (ID == 0) {
+
+		
+
+		float d0 = distance(cameraPosition, (uModelMatrix * vec4(tcPosition[0], 1)).xyz );
+	    float d1 = distance(cameraPosition, (uModelMatrix * vec4(tcPosition[1], 1)).xyz );
+	    float d2 = distance(cameraPosition, (uModelMatrix * vec4(tcPosition[2], 1)).xyz );
+
+		gl_TessLevelOuter[0] = getTessLevel(d1, d2);
+	    gl_TessLevelOuter[1] = getTessLevel(d2, d0);
+	    gl_TessLevelOuter[2] = getTessLevel(d0, d1);
+	    gl_TessLevelInner[0] = 0.5 * gl_TessLevelOuter[2];
+
+	    /*
+
+	    float avgDist = (d0 + d1 + d2)/3.0;
+
+	    vec3 midPoint;
+	    float fDistance;
+
+	    midPoint = (tcPosition[2] + tcPosition[0] / 2.0);
+	    fDistance = distance(midPoint, cameraPosition) * 1;
+	    gl_TessLevelOuter[0] = getTessLevel(fDistance, fDistance);
+
+
+	   	midPoint = (tcPosition[2] + tcPosition[0] / 2.0);
+	    fDistance = distance(midPoint, cameraPosition) * 1;
+	    gl_TessLevelOuter[1] = getTessLevel(fDistance, fDistance);
+
+
+	    midPoint = (tcPosition[2] + tcPosition[0] / 2.0);
+	    fDistance = distance(midPoint, cameraPosition) * 1;
+	    gl_TessLevelOuter[2] = getTessLevel(fDistance, fDistance);
+
+	    gl_TessLevelInner[0] = (gl_TessLevelOuter[0] + gl_TessLevelOuter[1] +gl_TessLevelOuter[2]) /3;
+	    */
+	}
+}

data/shader/TerrainTransformFeedback.tesh

+#version 410 core
+
+layout(triangles, equal_spacing, ccw) in;
+
+precise in vec2 tcTexCoord[];
+precise in vec3 tcNormal[];
+precise in vec3 tcPosition[];
+
+precise out vec3 tNormal;
+precise out vec2 tTexCoord;
+precise out vec3 tPosition;
+out vec3 tPatchDistance;
+
+uniform mat4 uViewProjectionMatrix;
+uniform mat4 uModelMatrix;
+uniform vec3 cameraPostion;
+
+vec3 mod289(vec3 x)
+{
+  return x - floor(x * (1.0 / 289.0)) * 289.0;
+}
+
+vec4 mod289(vec4 x)
+{
+  return x - floor(x * (1.0 / 289.0)) * 289.0;
+}
+
+vec4 permute(vec4 x)
+{
+  return mod289(((x*34.0)+1.0)*x);
+}
+
+vec4 taylorInvSqrt(vec4 r)
+{
+  return 1.79284291400159 - 0.85373472095314 * r;
+}
+
+vec3 fade(vec3 t) {
+  return t*t*t*(t*(t*6.0-15.0)+10.0);
+}
+
+// Classic Perlin noise
+float cnoise(vec3 P)
+{
+  vec3 Pi0 = floor(P); // Integer part for indexing
+  vec3 Pi1 = Pi0 + vec3(1.0); // Integer part + 1
+  Pi0 = mod289(Pi0);
+  Pi1 = mod289(Pi1);
+  vec3 Pf0 = fract(P); // Fractional part for interpolation
+  vec3 Pf1 = Pf0 - vec3(1.0); // Fractional part - 1.0
+  vec4 ix = vec4(Pi0.x, Pi1.x, Pi0.x, Pi1.x);
+  vec4 iy = vec4(Pi0.yy, Pi1.yy);
+  vec4 iz0 = Pi0.zzzz;
+  vec4 iz1 = Pi1.zzzz;
+
+  vec4 ixy = permute(permute(ix) + iy);
+  vec4 ixy0 = permute(ixy + iz0);
+  vec4 ixy1 = permute(ixy + iz1);
+
+  vec4 gx0 = ixy0 * (1.0 / 7.0);
+  vec4 gy0 = fract(floor(gx0) * (1.0 / 7.0)) - 0.5;
+  gx0 = fract(gx0);
+  vec4 gz0 = vec4(0.5) - abs(gx0) - abs(gy0);
+  vec4 sz0 = step(gz0, vec4(0.0));
+  gx0 -= sz0 * (step(0.0, gx0) - 0.5);
+  gy0 -= sz0 * (step(0.0, gy0) - 0.5);
+
+  vec4 gx1 = ixy1 * (1.0 / 7.0);
+  vec4 gy1 = fract(floor(gx1) * (1.0 / 7.0)) - 0.5;
+  gx1 = fract(gx1);
+  vec4 gz1 = vec4(0.5) - abs(gx1) - abs(gy1);
+  vec4 sz1 = step(gz1, vec4(0.0));
+  gx1 -= sz1 * (step(0.0, gx1) - 0.5);
+  gy1 -= sz1 * (step(0.0, gy1) - 0.5);
+
+  vec3 g000 = vec3(gx0.x,gy0.x,gz0.x);
+  vec3 g100 = vec3(gx0.y,gy0.y,gz0.y);
+  vec3 g010 = vec3(gx0.z,gy0.z,gz0.z);
+  vec3 g110 = vec3(gx0.w,gy0.w,gz0.w);
+  vec3 g001 = vec3(gx1.x,gy1.x,gz1.x);
+  vec3 g101 = vec3(gx1.y,gy1.y,gz1.y);
+  vec3 g011 = vec3(gx1.z,gy1.z,gz1.z);
+  vec3 g111 = vec3(gx1.w,gy1.w,gz1.w);
+
+  vec4 norm0 = taylorInvSqrt(vec4(dot(g000, g000), dot(g010, g010), dot(g100, g100), dot(g110, g110)));
+  g000 *= norm0.x;
+  g010 *= norm0.y;
+  g100 *= norm0.z;
+  g110 *= norm0.w;
+  vec4 norm1 = taylorInvSqrt(vec4(dot(g001, g001), dot(g011, g011), dot(g101, g101), dot(g111, g111)));
+  g001 *= norm1.x;
+  g011 *= norm1.y;
+  g101 *= norm1.z;
+  g111 *= norm1.w;
+
+  float n000 = dot(g000, Pf0);
+  float n100 = dot(g100, vec3(Pf1.x, Pf0.yz));
+  float n010 = dot(g010, vec3(Pf0.x, Pf1.y, Pf0.z));
+  float n110 = dot(g110, vec3(Pf1.xy, Pf0.z));
+  float n001 = dot(g001, vec3(Pf0.xy, Pf1.z));
+  float n101 = dot(g101, vec3(Pf1.x, Pf0.y, Pf1.z));
+  float n011 = dot(g011, vec3(Pf0.x, Pf1.yz));
+  float n111 = dot(g111, Pf1);
+
+  vec3 fade_xyz = fade(Pf0);
+  vec4 n_z = mix(vec4(n000, n100, n010, n110), vec4(n001, n101, n011, n111), fade_xyz.z);
+  vec2 n_yz = mix(n_z.xy, n_z.zw, fade_xyz.y);
+  float n_xyz = mix(n_yz.x, n_yz.y, fade_xyz.x); 
+  return 2.2 * n_xyz;
+}
+
+// Classic Perlin noise, periodic variant
+float pnoise(vec3 P, vec3 rep)
+{
+  vec3 Pi0 = mod(floor(P), rep); // Integer part, modulo period
+  vec3 Pi1 = mod(Pi0 + vec3(1.0), rep); // Integer part + 1, mod period
+  Pi0 = mod289(Pi0);
+  Pi1 = mod289(Pi1);
+  vec3 Pf0 = fract(P); // Fractional part for interpolation
+  vec3 Pf1 = Pf0 - vec3(1.0); // Fractional part - 1.0
+  vec4 ix = vec4(Pi0.x, Pi1.x, Pi0.x, Pi1.x);
+  vec4 iy = vec4(Pi0.yy, Pi1.yy);
+  vec4 iz0 = Pi0.zzzz;
+  vec4 iz1 = Pi1.zzzz;
+
+  vec4 ixy = permute(permute(ix) + iy);
+  vec4 ixy0 = permute(ixy + iz0);
+  vec4 ixy1 = permute(ixy + iz1);
+
+  vec4 gx0 = ixy0 * (1.0 / 7.0);
+  vec4 gy0 = fract(floor(gx0) * (1.0 / 7.0)) - 0.5;
+  gx0 = fract(gx0);
+  vec4 gz0 = vec4(0.5) - abs(gx0) - abs(gy0);
+  vec4 sz0 = step(gz0, vec4(0.0));
+  gx0 -= sz0 * (step(0.0, gx0) - 0.5);
+  gy0 -= sz0 * (step(0.0, gy0) - 0.5);
+
+  vec4 gx1 = ixy1 * (1.0 / 7.0);
+  vec4 gy1 = fract(floor(gx1) * (1.0 / 7.0)) - 0.5;
+  gx1 = fract(gx1);
+  vec4 gz1 = vec4(0.5) - abs(gx1) - abs(gy1);
+  vec4 sz1 = step(gz1, vec4(0.0));
+  gx1 -= sz1 * (step(0.0, gx1) - 0.5);
+  gy1 -= sz1 * (step(0.0, gy1) - 0.5);
+
+  vec3 g000 = vec3(gx0.x,gy0.x,gz0.x);
+  vec3 g100 = vec3(gx0.y,gy0.y,gz0.y);
+  vec3 g010 = vec3(gx0.z,gy0.z,gz0.z);
+  vec3 g110 = vec3(gx0.w,gy0.w,gz0.w);
+  vec3 g001 = vec3(gx1.x,gy1.x,gz1.x);
+  vec3 g101 = vec3(gx1.y,gy1.y,gz1.y);
+  vec3 g011 = vec3(gx1.z,gy1.z,gz1.z);
+  vec3 g111 = vec3(gx1.w,gy1.w,gz1.w);
+
+  vec4 norm0 = taylorInvSqrt(vec4(dot(g000, g000), dot(g010, g010), dot(g100, g100), dot(g110, g110)));
+  g000 *= norm0.x;
+  g010 *= norm0.y;
+  g100 *= norm0.z;
+  g110 *= norm0.w;
+  vec4 norm1 = taylorInvSqrt(vec4(dot(g001, g001), dot(g011, g011), dot(g101, g101), dot(g111, g111)));
+  g001 *= norm1.x;
+  g011 *= norm1.y;
+  g101 *= norm1.z;
+  g111 *= norm1.w;
+
+  float n000 = dot(g000, Pf0);
+  float n100 = dot(g100, vec3(Pf1.x, Pf0.yz));
+  float n010 = dot(g010, vec3(Pf0.x, Pf1.y, Pf0.z));
+  float n110 = dot(g110, vec3(Pf1.xy, Pf0.z));
+  float n001 = dot(g001, vec3(Pf0.xy, Pf1.z));
+  float n101 = dot(g101, vec3(Pf1.x, Pf0.y, Pf1.z));
+  float n011 = dot(g011, vec3(Pf0.x, Pf1.yz));
+  float n111 = dot(g111, Pf1);
+
+  vec3 fade_xyz = fade(Pf0);
+  vec4 n_z = mix(vec4(n000, n100, n010, n110), vec4(n001, n101, n011, n111), fade_xyz.z);
+  vec2 n_yz = mix(n_z.xy, n_z.zw, fade_xyz.y);
+  float n_xyz = mix(n_yz.x, n_yz.y, fade_xyz.x); 
+  return 2.2 * n_xyz;
+}
+
+float fBM(vec3 p, int fOct, float freq, float weight){
+	float fValue = 0.0;
+	for(int i = 0; i <= fOct; i++){
+		fValue += cnoise(freq * p) * weight;
+		weight *= 0.5;
+		freq *= 2.0;
+	}
+	return fValue;
+}
+
+
+
+vec2 interpolate2D(vec2 v0, vec2 v1, vec2 v2){
+  return vec2(gl_TessCoord.x) * v0 + vec2(gl_TessCoord.y) * v1 + vec2(gl_TessCoord.z) * v2;	
+}
+
+vec3 interpolate3D(vec3 v0, vec3 v1, vec3 v2){
+  return vec3(gl_TessCoord.x ) * v0 + vec3(gl_TessCoord.y) * v1 + vec3(gl_TessCoord.z) * v2;
+}
+
+
+void main(){
+	
+  tNormal = interpolate3D(tcNormal[0], tcNormal[1], tcNormal[2]);
+  tTexCoord = interpolate2D(tcTexCoord[0], tcTexCoord[1], tcTexCoord[2]);
+  
+  tPatchDistance = gl_TessCoord;
+  tPosition = interpolate3D(tcPosition[0], tcPosition[1], tcPosition[2]);
+
+  //vec4 camWorld = uModelMatrix * vec4(tPosition, 1.0);
+
+  //tPosition += tNormal * fBM( tPosition , 8, 32, 0.005 ) ;
+  
+  tNormal = inverse(transpose(mat3(uModelMatrix))) * normalize(tNormal);
+  //tPosition = (uModelMatrix * vec4(tPosition, 1)).xyz;
+
+  //gl_Position = uViewProjectionMatrix * vec4(tPosition, 1);
+
+}

data/shader/TerrainTransformFeedback.vsh

+#pragma import "CommonDeferredVert.glsl"
+
+vec3 normal() {
+  return aNormal;
+}
+
+vec2 texCoord() {
+  return aTexCoord;
+}
+
+vec3 position() {
+  return aPosition;
+}
\ No newline at end of file

src/game/include/engine/graphics/DrawCall.hpp

@@ -14,4 +14,5 @@ struct DrawCall {
   Geometry geometry;
   glm::mat4 lastRenderTransform;
   glm::mat4 thisRenderTransform;
+	bool renderToBuffer;
 };
\ No newline at end of file

src/game/include/engine/graphics/RendererSystem.hpp

@@ -58,7 +58,17 @@ private:
   ACGL::OpenGL::SharedFrameBufferObject m_primaryCompositingBuffer;
   ACGL::OpenGL::SharedFrameBufferObject m_postfxTargetBuffer;
   ACGL::OpenGL::SharedFrameBufferObject m_txaaHistoryBuffer;
-  
+
+	ACGL::OpenGL::SharedVertexArrayObject m_transformFeedbackVAO;
+	ACGL::OpenGL::SharedArrayBuffer m_transformFeedbackBuffer;
+
+	ACGL::OpenGL::SharedVertexArrayObject m_transformFeedbackVAO2;
+	ACGL::OpenGL::SharedArrayBuffer m_transformFeedbackBuffer2;
+
+	GLuint Feedback;