Moved a bunch of code around

src/duskgl/display/displaygl.c

@@ -0,0 +1,31 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "displaygl.h"
+
+errorret_t displayOpenGLInit(void) {
+  glDisable(GL_CULL_FACE);
+  glDisable(GL_LIGHTING);// PSP defaults this on?
+  glShadeModel(GL_SMOOTH); // Fixes color on PSP?
+  errorChain(errorGLCheck());
+
+  glEnable(GL_DEPTH_TEST);
+  glDepthFunc(GL_LEQUAL);
+  glClearDepth(1.0f);
+  errorChain(errorGLCheck());
+
+  glEnable(GL_BLEND);
+  glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+  glPixelStorei(GL_PACK_ALIGNMENT, 1);
+  glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+  errorChain(errorGLCheck());
+
+  glEnableClientState(GL_COLOR_ARRAY);// To confirm: every frame on PSP?
+  glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+  glEnableClientState(GL_VERTEX_ARRAY);
+  errorChain(errorGLCheck());
+}