You can now change the quality of SSAO by sliding the SSAO Quality

resources/Shaders/ForwardPlus.frag.glsl

@@ -13,6 +13,7 @@ uniform vec4 AmbientColor;
 uniform float FillPercentage;
 uniform float GlowIntensity = 10;
 uniform vec3 CameraPosition;
+uniform int SSAOQuality;
 
 uniform vec2 DiffuseUVRepeat;
 uniform vec2 NormalUVRepeat;
@@ -125,7 +126,7 @@ vec4 CalcNormalMappedValue(vec3 normal, vec3 tangent, vec3 bitangent, vec2 textu
 
 void main()
 {
-	float ao = texelFetch(AOTexture, ivec2(gl_FragCoord.xy), 0).r;
+	float ao = texelFetch(AOTexture, ivec2(gl_FragCoord.xy) >> int(SSAOQuality), 0).r;
 	ao = (clamp(1.0 - (1.0 - ao), 0.0, 1.0) + MIN_AMBIENT_LIGHT) /  (1.0 + MIN_AMBIENT_LIGHT);
 	vec4 diffuseTexel = texture2D(DiffuseTexture, Input.TextureCoordinate * DiffuseUVRepeat);
 	vec4 glowTexel = texture2D(GlowMapTexture, Input.TextureCoordinate * GlowUVRepeat);

resources/Shaders/ForwardPlusSplatMapRGB.frag.glsl

@@ -11,6 +11,7 @@ uniform vec4 DiffuseColor;
 uniform vec4 FillColor;
 uniform vec4 Color;
 uniform vec4 AmbientColor;
+uniform int SSAOQuality;
 
 //Get bineded at the same time as the textures
 uniform vec2 DiffuseUVRepeat1;
@@ -177,7 +178,7 @@ vec4 CalcBlendedNormal(vec4 blendValue, sampler2D R, sampler2D G, sampler2D B,
 
 void main()
 {
-	float ao = texelFetch(AOTexture, ivec2(gl_FragCoord.xy), 0).r;
+	float ao = texelFetch(AOTexture, ivec2(gl_FragCoord.xy) >> int(SSAOQuality), 0).r;
 	ao = (clamp(1.0 - (1.0 - ao), 0.0, 1.0) + MIN_AMBIENT_LIGHT) /  (1.0 + MIN_AMBIENT_LIGHT);
 
 	vec4 splatTexel = texture2D(SplatMapTexture, Input.TextureCoordinate);

resources/Shaders/SSAO.frag.glsl

@@ -2,11 +2,11 @@
 
 //Number of samples per pixel
 uniform int           uNumOfSamples;
-//#define NUM_SAMPLES (11)
+//#define uNumOfSamples (11)
 
 //Number of turns around the cirle
 uniform int           uNumOfTurns;
-//#define NUM_TURNS (7)
+//#define uNumOfTurns (7)
 
 layout (binding = 0) uniform sampler2D ViewSpaceZ;
 
@@ -16,15 +16,16 @@ uniform float           uProjScale;
 //#define ProjScale 500
 
 uniform float           uRadius;
-//#define Radius 1.0f
+//#define uRadius 1.0f
 
 uniform float           uBias;
-//#define Bias 0.012f
+//#define uBias 0.05f
 
 uniform float           uContrast;
-//#define IntensityDivR6 1
+//#define uContrast 1.5f
 
 uniform float           uIntensityScale;
+//#define uIntensityScale 1.0f
 
 out float				AO;
 
@@ -88,13 +89,7 @@ void main() {
 
 	vec3 origin = getVSPosition(originScreenCoord);
 
-	float radius;
-	if(origin.z < uRadius){
-		radius = origin.z;
-	} else {
-		radius = uRadius;
-	}
-
+	float radius = min(origin.z, uRadius);
 
 	vec3 originNormal = getVSFaceNormal(origin);
 

resources/Shaders/SSAO.vert.glsl

@@ -2,7 +2,12 @@
 
 layout (location = 0) in vec3 Position;
 
+out VertexData{
+	vec2 TextureCoordinate;
+}Output;
+
 void main()
 {
 	gl_Position = vec4(Position, 1.0);
+	Output.TextureCoordinate = (vec2(Position) + 1) / 2;
 }

resources/Shaders/SSAOViewSpaceZ.frag.glsl

@@ -3,11 +3,15 @@
 layout (binding = 0) uniform sampler2D DepthBuffer;
 uniform vec3 ClipInfo;
 
+in VertexData{
+	vec2 TextureCoordinate;
+}Input;
+
 out float depthLinear;
 //Just for Debug, should be depthLinear
 //out vec4 fragmentColor;
 void main() {
-	float depthSample = texelFetch(DepthBuffer, ivec2(gl_FragCoord.xy), 0).r;
+	float depthSample = texture2D(DepthBuffer, Input.TextureCoordinate).r;
 	depthLinear = ClipInfo[0] / (ClipInfo[1] * depthSample + ClipInfo[2]);
 	//float depthLinear = (NearClip) / ( -depthSample + 1.0f);
 	//fragmentColor = vec4(depthLinear, depthLinear, depthLinear, 1.0f);