[core] Reset GL values when needed

src/mbgl/renderer/painter_raster.cpp

@@ -22,7 +22,9 @@ void Painter::renderRaster(RasterBucket& bucket, const RasterLayer& layer, const
         rasterShader->u_contrast_factor = contrastFactor(properties.contrast);
         rasterShader->u_spin_weights = spinWeights(properties.hue_rotate);
 
+        config.stencilOp.reset();
         config.stencilTest = GL_TRUE;
+        config.depthFunc.reset();
         config.depthTest = GL_TRUE;
         setDepthSublayer(0);
         bucket.drawRaster(*rasterShader, tileStencilBuffer, coveringRasterArray);