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authorTravis CI <zmoelnig@travis-ci.umlaeute.mur.at>2015-03-14 20:40:49 +0000
committerTravis CI <zmoelnig@travis-ci.umlaeute.mur.at>2015-03-14 20:40:49 +0000
commit5c694f159b012d1d94bf15bfe580dec52e4fe797 (patch)
treece400f82d72f92189c50f54afa11c568cda53562 /Gem/examples/10.glsl/panoramique.frag
Gem osx/x86_64
built '' for osx/x86_64
Diffstat (limited to 'Gem/examples/10.glsl/panoramique.frag')
-rw-r--r--Gem/examples/10.glsl/panoramique.frag28
1 files changed, 28 insertions, 0 deletions
diff --git a/Gem/examples/10.glsl/panoramique.frag b/Gem/examples/10.glsl/panoramique.frag
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+++ b/Gem/examples/10.glsl/panoramique.frag
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+#extension GL_ARB_texture_rectangle : enable
+
+uniform sampler2DRect MyTex;
+uniform float dZ, ShadeL, ShadeR, sizeX, sizeY;
+
+void main (void)
+{
+
+ vec2 pos_out;
+ pos_out.x=-1.+(2.*gl_TexCoord[0].s)/sizeX;
+ pos_out.y=-1.+(2.*gl_TexCoord[0].t)/sizeY;
+ pos_out.y *= sqrt(pos_out.x*pos_out.x+dZ*dZ)/dZ;
+
+ pos_out.x = sizeX*(pos_out.x+1.)/2.;
+ pos_out.y = sizeY*(pos_out.y+1.)/2.;
+
+ vec4 color = texture2DRect(MyTex, pos_out);
+
+ color.a = 1.;
+ float tmp = mix(0.,1.,gl_TexCoord[0].s/ShadeL);
+ tmp = min(tmp,1.);
+ color.a *= tmp;
+ tmp = mix(0.,1.,(sizeX-gl_TexCoord[0].s)/ShadeR);
+ tmp = min(tmp,1.);
+ color.a *= tmp;
+
+ gl_FragColor = color;
+}