Turn off artificial noise when using blendMode 'add'

Coding
2

The following (inserted after the ‘win = …’ block) might work - if you’re sure that you don’t want a visual indication when going out of range.

import psychopy.visual.shaders

fragFBOtoFrame = '''
    uniform sampler2D texture;

    void main() {
        vec4 textureFrag = texture2D(texture,gl_TexCoord[0].st);
        gl_FragColor.rgb = textureFrag.rgb;
    }
    '''

win._progFBOtoFrame = psychopy.visual.shaders.compileProgram(
    psychopy.visual.shaders.vertSimple,
    fragFBOtoFrame
)
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