looking-glass/client/renderers/EGL/shader/help.vert

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#version 300 es
layout(location = 0) in vec3 vertexPosition_modelspace;
layout(location = 1) in vec2 vertexUV;
uniform vec2 screen;
uniform vec2 size;
out highp vec2 uv;
void main()
{
gl_Position.xyz = vertexPosition_modelspace;
gl_Position.w = 1.0;
gl_Position.xy *= screen.xy * size.xy;
gl_Position.x -= 1.0 - (screen.x * size.x);
gl_Position.y -= 1.0 - (screen.y * size.y);
gl_Position.x += screen.x * 10.0;
gl_Position.y += screen.y * 10.0;
uv = vertexUV;
}