8 files changed, 188 insertions, 0 deletions

@@ -0,0 +1,12 @@
+#version 330 core
+
+in vec2 UV;
+
+out vec3 color;
+
+uniform sampler2D srctex;
+
+void main()
+{
+  color = texture(srctex, UV).xyz;
+}
@@ -0,0 +1,13 @@
+#version 330 core
+
+layout(location = 0) in vec2 vertexPosition;
+layout(location = 1) in vec2 texcoordPosition;
+
+out vec2 UV;
+
+void main()
+{
+  gl_Position = vec4(vertexPosition, 0.0f, 1.0f);
+  
+  UV = texcoordPosition;
+}
@@ -0,0 +1,10 @@
+#version 330 core
+
+out vec3 color;
+
+uniform vec3 vecColor;
+
+void main()
+{
+  color = vecColor;
+}
@@ -0,0 +1,8 @@
+#version 330 core
+
+layout(location = 0) in vec3 vertexPosition;
+
+void main()
+{
+  gl_Position = vec4(vertexPosition, 1);
+}
@@ -0,0 +1,56 @@
+#version 330 core
+
+in vec2 UV;
+in vec3 norm;
+
+out vec3 color;
+
+uniform sampler2D rendertex;
+uniform sampler2D scanlinestex;
+
+const vec2 UVScalar = vec2(1.0, 1.0);
+const vec2 UVOffset = vec2(0.0, 0.0);
+const vec2 CRTMask_Scale = vec2(85.0, 153.6);
+const vec2 CRTMask_Offset = vec2(0.0, 0.0);
+const float Tuning_Overscan = 1.0;
+const float Tuning_Dimming = 0.5;
+const float Tuning_Satur = 1.35;
+const float Tuning_ReflScalar = 0.3;
+const float Tuning_Barrel = 0.12;
+const float Tuning_Scanline_Brightness = 0.25;
+const float Tuning_Scanline_Opacity = 0.5;
+const float Tuning_Diff_Brightness = 0.5;
+const float Tuning_Spec_Brightness = 0.35;
+const float Tuning_Spec_Power = 50.0;
+const float Tuning_Fres_Brightness = 1.0;
+const vec3 Tuning_LightPos = vec3(5.0, -10.0, 0.0);
+
+vec4 sampleCRT(vec2 uv)
+{
+  vec2 ScaledUV = uv;
+  ScaledUV *= UVScalar;
+  ScaledUV += UVOffset;
+  
+  vec2 scanuv = ScaledUV * CRTMask_Scale;
+  vec3 scantex = texture(scanlinestex, scanuv).rgb;
+  scantex += Tuning_Scanline_Brightness;
+  scantex = mix(vec3(1,1,1), scantex, Tuning_Scanline_Opacity);
+  
+  vec2 overscanuv = (ScaledUV * Tuning_Overscan) - ((Tuning_Overscan - 1.0f) * 0.5f);
+  overscanuv = overscanuv - vec2(0.5, 0.5);
+  float rsq = (overscanuv.x*overscanuv.x) + (overscanuv.y*overscanuv.y);
+  overscanuv = overscanuv + (overscanuv * (Tuning_Barrel * rsq)) + vec2(0.5,0.5);
+  
+  vec3 comptex = texture(rendertex, overscanuv).rgb;
+  
+  vec4 emissive = vec4(comptex * scantex, 1);
+  float desat = dot(vec4(0.299, 0.587, 0.114, 0.0), emissive);
+  emissive = mix(vec4(desat, desat, desat, 1), emissive, Tuning_Satur);
+  
+  return emissive;
+}
+
+void main()
+{
+  color = sampleCRT(UV).rgb;
+}
@@ -0,0 +1,14 @@
+#version 330 core
+
+layout(location = 0) in vec3 vertexPosition_modelspace;
+layout(location = 1) in vec3 vertexNormal;
+
+out vec2 UV;
+out vec3 norm;
+
+void main()
+{
+  gl_Position = vec4(vertexPosition_modelspace,1);
+  UV = (vertexPosition_modelspace.xy+vec2(1,1))/2.0;
+  norm = vertexNormal;
+}
@@ -0,0 +1,64 @@
+#version 330 core
+
+in vec2 UV;
+
+out vec3 color;
+
+uniform sampler2D curFrameSampler;
+uniform sampler2D NTSCArtifactSampler;
+uniform sampler2D prevFrameSampler;
+
+const float Tuning_Sharp = 0.8;
+const vec4 Tuning_Persistence = vec4(0.7,0.7,0.7,0.7);
+const float Tuning_Bleed = 0.5;
+const float Tuning_NTSC = 0.35;
+uniform float NTSCLerp;
+
+const vec2 RcpScrWidth = vec2(1.0f / 320.f, 0.0f);
+const vec2 RcpScrHeight = vec2(0.0f, 1.0f / 200.0f);
+
+float Brightness(vec4 InVal)
+{
+  return dot(InVal, vec4(0.299, 0.587, 0.114, 0.0));
+}
+
+const float SharpWeight[3] = float[3](1.0, -0.3162277, 0.1);
+
+void main()
+{
+  vec4 NTSCArtifact1 = texture(NTSCArtifactSampler, UV);
+  vec4 NTSCArtifact2 = texture(NTSCArtifactSampler, UV + RcpScrHeight);
+  vec4 NTSCArtifact = mix(NTSCArtifact1, NTSCArtifact2, NTSCLerp);
+  
+  vec2 LeftUV = UV - RcpScrWidth;
+  vec2 RightUV = UV + RcpScrWidth;
+  
+  vec4 Cur_Left = texture(curFrameSampler, LeftUV);
+  vec4 Cur_Local = texture(curFrameSampler, UV);
+  vec4 Cur_Right = texture(curFrameSampler, RightUV);
+  
+  vec4 Prev_Left = texture(prevFrameSampler, LeftUV);
+  vec4 Prev_Local = texture(prevFrameSampler, UV);
+  vec4 Prev_Right = texture(prevFrameSampler, RightUV);
+  
+  Cur_Local = clamp(Cur_Local + (((Cur_Left - Cur_Local) + (Cur_Right - Cur_Local)) * Tuning_NTSC), vec4(0,0,0,0), vec4(1,1,1,1));
+  
+  float curBrt = Brightness(Cur_Local);
+  float offset = 0;
+  
+  for (int i=0; i<3; ++i)
+  {
+    vec2 StepSize = (RcpScrWidth * float(i+1));
+    vec4 neighborleft = texture(curFrameSampler, UV - StepSize);
+    vec4 neighborright = texture(curFrameSampler, UV + StepSize);
+    
+    float NBrtL = Brightness(neighborleft);
+    float NBrtR = Brightness(neighborright);
+    offset += ((curBrt - NBrtL) + (curBrt - NBrtR)) * SharpWeight[i];
+  }
+  
+  Cur_Local = clamp(Cur_Local + (offset * Tuning_Sharp * mix(vec4(1,1,1,1), NTSCArtifact, Tuning_NTSC)), vec4(0,0,0,0), vec4(1,1,1,1));
+  Cur_Local = clamp(max(Cur_Local, Tuning_Persistence * (1.0 / (1.0 + (2.0 * Tuning_Bleed))) * (Prev_Local + ((Prev_Left + Prev_Right) * Tuning_Bleed))), vec4(0,0,0,0), vec4(1,1,1,1));
+  
+  color = Cur_Local.xyz;
+}
@@ -0,0 +1,11 @@
+#version 330 core
+
+layout(location = 0) in vec3 vertexPosition_modelspace;
+
+out vec2 UV;
+
+void main()
+{
+  gl_Position = vec4(vertexPosition_modelspace,1);
+  UV = (vertexPosition_modelspace.xy+vec2(1,1))/2.0;
+}