oes_vertex_shader property
Implementation
final oes_vertex_shader = """
#version 300 es
precision mediump float;
layout (location = 0) in vec4 Position;
layout (location = 1) in vec2 TextureCoords;
out vec2 TextureCoordsVarying;
void main () {
gl_Position = Position;
TextureCoordsVarying = TextureCoords;
}
""";