diff options
| author | Eric Anholt <eric@anholt.net> | 2011-09-08 23:02:27 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2011-09-08 23:03:26 -0700 |
| commit | d46e939d8f28ed1c4162a33e99378d5797e4e3a1 (patch) | |
| tree | f8b4f027e364551548ae84d2a45e4e232bf6d964 /shaders/humus-celshading | |
| parent | 701c7392029e2364d3de14d31f22e99ae421e389 (diff) | |
Add some Humus demos I had around.
Diffstat (limited to 'shaders/humus-celshading')
| -rw-r--r-- | shaders/humus-celshading/1.frag | 17 | ||||
| -rw-r--r-- | shaders/humus-celshading/1.vert | 18 | ||||
| -rw-r--r-- | shaders/humus-celshading/2.frag | 11 | ||||
| -rw-r--r-- | shaders/humus-celshading/2.vert | 23 | ||||
| -rw-r--r-- | shaders/humus-celshading/3.frag | 6 | ||||
| -rw-r--r-- | shaders/humus-celshading/3.vert | 6 |
6 files changed, 81 insertions, 0 deletions
diff --git a/shaders/humus-celshading/1.frag b/shaders/humus-celshading/1.frag new file mode 100644 index 0000000..1b58efc --- /dev/null +++ b/shaders/humus-celshading/1.frag @@ -0,0 +1,17 @@ +#define saturate(x) clamp(x,0.0,1.0) +#define lerp mix +#line 14 +
+
+uniform sampler1D CelShade;
+
+varying vec3 lVec;
+varying vec3 norm;
+
+void main(){
+ vec3 lightVec = normalize(lVec);
+ float diffuse = dot(lightVec, norm);
+
+ gl_FragColor = texture1D(CelShade, diffuse);
+}
+ diff --git a/shaders/humus-celshading/1.vert b/shaders/humus-celshading/1.vert new file mode 100644 index 0000000..fb28d3b --- /dev/null +++ b/shaders/humus-celshading/1.vert @@ -0,0 +1,18 @@ +#define saturate(x) clamp(x,0.0,1.0) +#define lerp mix +#line 0 +
+
+uniform vec3 lightPos;
+
+varying vec3 lVec;
+varying vec3 norm;
+
+void main(){
+ gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
+
+ lVec = lightPos - gl_Vertex.xyz;
+ norm = gl_Normal;
+}
+
+ diff --git a/shaders/humus-celshading/2.frag b/shaders/humus-celshading/2.frag new file mode 100644 index 0000000..97bf6df --- /dev/null +++ b/shaders/humus-celshading/2.frag @@ -0,0 +1,11 @@ +#define saturate(x) clamp(x,0.0,1.0) +#define lerp mix +#line 19 +
+
+varying vec3 norm;
+
+void main(){
+ gl_FragColor = vec4(0.0);
+}
+ diff --git a/shaders/humus-celshading/2.vert b/shaders/humus-celshading/2.vert new file mode 100644 index 0000000..63c2205 --- /dev/null +++ b/shaders/humus-celshading/2.vert @@ -0,0 +1,23 @@ +#define saturate(x) clamp(x,0.0,1.0) +#define lerp mix +#line 0 +
+
+uniform vec3 camPos;
+uniform float outlineThreshold;
+uniform float edgeThreshold;
+
+varying vec3 norm;
+
+void main(){
+ vec4 pos = gl_Vertex;
+ vec3 dir = camPos - gl_Vertex.xyz;
+
+ pos.w = float(
+ dot(dir, gl_MultiTexCoord0.xyz) * dot(dir, gl_MultiTexCoord1.xyz) < outlineThreshold ||
+ dot(gl_MultiTexCoord0.xyz, gl_MultiTexCoord1.xyz) < edgeThreshold);
+
+ gl_Position = gl_ModelViewProjectionMatrix * pos;
+}
+
+ diff --git a/shaders/humus-celshading/3.frag b/shaders/humus-celshading/3.frag new file mode 100644 index 0000000..4c72c26 --- /dev/null +++ b/shaders/humus-celshading/3.frag @@ -0,0 +1,6 @@ +uniform vec4 color; +void main() +{ + gl_FragColor = color; +} + diff --git a/shaders/humus-celshading/3.vert b/shaders/humus-celshading/3.vert new file mode 100644 index 0000000..b081d0f --- /dev/null +++ b/shaders/humus-celshading/3.vert @@ -0,0 +1,6 @@ +attribute vec4 position; +void main() +{ + gl_Position = position; +} + |