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"""
Example showing the use of #include in shaders.
This can be used to include reusable library functions.
We include a library doing different blend types
and render each quadrant of the screen with different blend types
"""
from pathlib import Path
import moderngl_window as mglw
from moderngl_window import geometry
class ShaderInclude(mglw.WindowConfig):
title = "Shader Include"
resource_dir = (Path(__file__) / "../../resources").resolve()
aspect_ratio = 1
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.program = self.load_program("programs/blend_include.glsl")
self.texture_0 = self.load_texture_2d("textures/cubemaps/yokohama/negx.jpg")
self.texture_1 = self.load_texture_2d("textures/cubemaps/yokohama/negz.jpg")
self.quad_fs = geometry.quad_fs()
def on_render(self, time, frame_time):
self.texture_0.use(location=0)
self.texture_1.use(location=1)
self.quad_fs.render(self.program)
if __name__ == "__main__":
ShaderInclude.run()
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