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-rw-r--r--channel_2d_gl_interop.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/channel_2d_gl_interop.py b/channel_2d_gl_interop.py
index eaf2c46..8e52d78 100644
--- a/channel_2d_gl_interop.py
+++ b/channel_2d_gl_interop.py
@@ -140,8 +140,10 @@ particle_fragment_shader = shaders.compileShader("""
in vec3 color;
+layout(location = 0) out vec4 frag_color;
+
void main(){
- gl_FragColor = vec4(color.xyz, 0.0);
+ frag_color = vec4(color.xyz, 0.0);
}""", GL_FRAGMENT_SHADER)
particle_vertex_shader = shaders.compileShader(Template("""