/usr/share/openmsx/shaders/simple.vert is in openmsx-data 0.10.0-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | uniform vec2 texSize;
uniform vec3 texStepX; // = vec3(vec2(1.0 / texSize.x), 0.0);
uniform vec4 cnst; // = vec4(scan_a, scan_b, scan_c, alpha);
varying vec2 scaled;
varying vec3 misc;
varying vec2 videoCoord;
void main()
{
float alpha = cnst.w;
gl_Position = ftransform();
misc = vec3((vec2(0.5) - vec2(1.0, 0.0) * alpha) * texStepX.x, gl_MultiTexCoord0.t);
scaled.x = gl_MultiTexCoord0.s * texSize.x;
scaled.y = gl_MultiTexCoord0.t * texSize.y + 0.5;
#if SUPERIMPOSE
videoCoord = gl_MultiTexCoord1.st;
#endif
}
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