diff options
Diffstat (limited to 'packages/noncvs/windows/extra/Gem/examples/10.glsl/wave.frag')
-rw-r--r-- | packages/noncvs/windows/extra/Gem/examples/10.glsl/wave.frag | 80 |
1 files changed, 40 insertions, 40 deletions
diff --git a/packages/noncvs/windows/extra/Gem/examples/10.glsl/wave.frag b/packages/noncvs/windows/extra/Gem/examples/10.glsl/wave.frag index d455f884..52bee23f 100644 --- a/packages/noncvs/windows/extra/Gem/examples/10.glsl/wave.frag +++ b/packages/noncvs/windows/extra/Gem/examples/10.glsl/wave.frag @@ -1,40 +1,40 @@ -// Cyrille Henry 2007 - -#extension GL_ARB_texture_rectangle : enable - -uniform float K1,K3,D1,K; -uniform sampler2DRect text; - -const float dx = 1.; -const float dy = 1.; - -void main (void) -{ - float x,y; - vec4 C; - vec2 texture1 = gl_TexCoord[0].st ; - - x=texture1.x; - y=texture1.y; - - C = texture2DRect(text, vec2(x, y)); - - vec4 color_cote = texture2DRect(text, vec2(x-dx, y-dy)); - color_cote += texture2DRect(text, vec2(x+dx, y-dy)); - color_cote += texture2DRect(text, vec2(x-dx, y+dy)); - color_cote += texture2DRect(text, vec2(x+dx, y+dy)); - color_cote += texture2DRect(text, vec2(x, y-dy)); - color_cote += texture2DRect(text, vec2(x-dx, y)); - color_cote += texture2DRect(text, vec2(x+dx, y)); - color_cote += texture2DRect(text, vec2(x, y+dy)); - - - float K = K1 * color_cote.r + K3 * 0.5 - (8. * K1 + K3) * C.r; - float D = D1 * (C.r - C.g); - - C.b = C.g; - C.g = C.r; - C.r = (2.* C.g) - C.b + K - D ; - - gl_FragColor = vec4(C.rgb,1.); -} +// Cyrille Henry 2007
+
+#extension GL_ARB_texture_rectangle : enable
+
+uniform float K1,K3,D1,K;
+uniform sampler2DRect text;
+
+const float dx = 1.;
+const float dy = 1.;
+
+void main (void)
+{
+ float x,y;
+ vec4 C;
+ vec2 texture1 = gl_TexCoord[0].st ;
+
+ x=texture1.x;
+ y=texture1.y;
+
+ C = texture2DRect(text, vec2(x, y));
+
+ vec4 color_cote = texture2DRect(text, vec2(x-dx, y-dy));
+ color_cote += texture2DRect(text, vec2(x+dx, y-dy));
+ color_cote += texture2DRect(text, vec2(x-dx, y+dy));
+ color_cote += texture2DRect(text, vec2(x+dx, y+dy));
+ color_cote += texture2DRect(text, vec2(x, y-dy));
+ color_cote += texture2DRect(text, vec2(x-dx, y));
+ color_cote += texture2DRect(text, vec2(x+dx, y));
+ color_cote += texture2DRect(text, vec2(x, y+dy));
+
+
+ float K = K1 * color_cote.r + K3 * 0.5 - (8. * K1 + K3) * C.r;
+ float D = D1 * (C.r - C.g);
+
+ C.b = C.g;
+ C.g = C.r;
+ C.r = (2.* C.g) - C.b + K - D ;
+
+ gl_FragColor = vec4(C.rgb,1.);
+}
|