From 17dc0febb17888015be1e4ad1ed4b096a4909865 Mon Sep 17 00:00:00 2001 From: Travis CI Date: Thu, 19 Mar 2015 20:12:11 +0000 Subject: Gem 206d71791bc3642e8c5391a4c59c30ba7411fab8 osx/i386 built 'master:206d71791bc3642e8c5391a4c59c30ba7411fab8' for osx/i386 --- Gem/examples/10.glsl/panoramique.frag | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Gem/examples/10.glsl/panoramique.frag (limited to 'Gem/examples/10.glsl/panoramique.frag') diff --git a/Gem/examples/10.glsl/panoramique.frag b/Gem/examples/10.glsl/panoramique.frag new file mode 100644 index 0000000..d0378b6 --- /dev/null +++ b/Gem/examples/10.glsl/panoramique.frag @@ -0,0 +1,28 @@ +#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; +} -- cgit v1.2.1