1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
[require] GLSL >= 1.20 [vertex shader file] glsl-mvp.vert [fragment shader] void main() { const float x = floor(-0.5); const float y = floor(0.0); const float z = floor(0.5); gl_FragColor = vec4(x + 1.7, y, z, 1.0); } [test] draw rect -1 -1 2 2 probe all rgb 0.7 0.0 0.0