/usr/share/openmsx/shaders/rgb.vert is in openmsx-data 0.12.0-1build1.
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 | uniform mat4 u_mvpMatrix;
uniform vec3 texSize;
attribute vec4 a_position;
attribute vec3 a_texCoord;
varying vec4 scaled;
varying vec2 pos;
varying vec2 videoCoord;
void main()
{
gl_Position = u_mvpMatrix * a_position;
vec2 tmp = a_texCoord.xy * texSize.xy;
scaled = tmp.xxxy + vec4(0.0, 1.0/3.0, 2.0/3.0, 0.5);
pos = a_texCoord.xy;
#if SUPERIMPOSE
videoCoord = a_texCoord.xz;
#endif
}
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