Replace deprecated gl_FragColorHEADmaster

1 files changed, 3 insertions, 2 deletions

diff --git a/ldc_3d_gl_interop.py b/ldc_3d_gl_interop.py
index 130d8ec..575dc72 100644
--- a/ldc_3d_gl_interop.py
+++ b/ldc_3d_gl_interop.py
@@ -13,7 +13,6 @@ from OpenGL.GLUT import *
 from OpenGL.GL import shaders
 
 from utility.projection import Projection, Rotation
-from utility.opengl     import MomentsVertexBuffer
 from utility.mouse      import MouseDragMonitor, MouseScrollMonitor
 
 lattice_x = 64
@@ -117,8 +116,10 @@ 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_program = shaders.compileProgram(particle_shader, fragment_shader)