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author | Travis CI <zmoelnig@travis-ci.umlaeute.mur.at> | 2015-03-19 23:06:26 +0000 |
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committer | Travis CI <zmoelnig@travis-ci.umlaeute.mur.at> | 2015-03-19 23:06:26 +0000 |
commit | bdae26678d39c83280ed5e353986705da6f423c5 (patch) | |
tree | a977d9c7a25b275245787de02830a05e30fa0fb9 /Gem/examples/10.glsl/panoramique.frag | |
parent | 095b7e513f736567848173f2572d8b329ad75af9 (diff) |
Gem 4990e2aec04f67a68fbd2878f4d99bb8042f68fa osx/x86_64
built 'master:4990e2aec04f67a68fbd2878f4d99bb8042f68fa' for osx/x86_64
Diffstat (limited to 'Gem/examples/10.glsl/panoramique.frag')
-rw-r--r-- | Gem/examples/10.glsl/panoramique.frag | 28 |
1 files changed, 28 insertions, 0 deletions
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; +} |