blob: 91e755a8046abc804f5249be6ad23c0533a29dbb (
plain)
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[require]
GLSL >= 1.20
[vertex shader file]
glsl-mvp.vert
[fragment shader]
void main()
{
const vec2 v = normalize(vec2(1.0, 1.0));
/* Attempt to normalize the zero vector. The specification is unclear
* about the results, but ATI returns the zero vector. At any rate, the
* compiler should not crash.
*/
const vec2 z = normalize(vec2(0.0, 0.0));
gl_FragColor = vec4(v.x, z.x, z.y, 1.0);
}
[test]
clear color 0.0 0.0 0.0 0.0
clear
ortho
draw rect 10 10 10 10
probe rgb 15 15 0.7071067811865475 0.0 0.0
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