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Less Z fighting with DepthFunc GL_LESS+PolyOffset #78

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Less Z fighting with DepthFunc GL_LESS+PolyOffset #78

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4e1430b
Less Z fighting with DepthFunc GL_LESS+PolyOffset
Xenthio Sep 10, 2024
6149ce9
Disable offset once done
Xenthio Sep 20, 2024
8b89e02
Reset DepthFunc too
Xenthio Sep 20, 2024
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8 changes: 8 additions & 0 deletions src/main/java/me/cortex/voxy/client/core/rendering/post/PostProcessing.java
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Original file line number Diff line number Diff line change
Expand Up @@ -188,9 +188,17 @@ public void renderPost(Matrix4f fromProjection, Matrix4f tooProjection, int outp
glBindTexture(GL_TEXTURE_2D, this.didSSAO?this.colourSSAO.id:this.colour.id);
glEnable(GL_DEPTH_TEST);
glDepthMask(true);

// This helps avoid some overlap and z fighting in transparency.
glEnable( GL_POLYGON_OFFSET_FILL );
glPolygonOffset( 1.0f, 4.0f );
glDepthFunc(GL_LESS);

this.blitTexture.blit();
glDisable(GL_DEPTH_TEST);
glDepthMask(true);
glDisable( GL_POLYGON_OFFSET_FILL );
glDepthFunc(GL_LEQUAL);

this.glStateCapture.restore();
}
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