import of Jake2

1 files changed, 1592 insertions, 0 deletions

diff --git a/src/jake2/render/fastjogl/Main.java b/src/jake2/render/fastjogl/Main.java
new file mode 100644
index 0000000..2363db4
--- /dev/null
+++ b/src/jake2/render/fastjogl/Main.java
@@ -0,0 +1,1592 @@
+/*
+ * Main.java
+ * Copyright (C) 2003
+ *
+ * $Id: Main.java,v 1.1 2004-07-09 06:50:49 hzi Exp $
+ */
+/*
+Copyright (C) 1997-2001 Id Software, Inc.
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+package jake2.render.fastjogl;
+
+import jake2.*;
+import jake2.client.*;
+import jake2.game.cplane_t;
+import jake2.game.cvar_t;
+import jake2.qcommon.qfiles;
+import jake2.qcommon.xcommand_t;
+import jake2.render.*;
+import jake2.util.Math3D;
+import jake2.util.Vargs;
+
+import java.awt.Dimension;
+import java.nio.FloatBuffer;
+import java.nio.IntBuffer;
+
+import net.java.games.jogl.GL;
+import net.java.games.jogl.GLU;
+import net.java.games.jogl.util.BufferUtils;
+import net.java.games.jogl.util.GLUT;
+
+/**
+ * Main
+ * 
+ * @author cwei
+ */
+public abstract class Main extends Base {
+
+	GL gl;
+	GLU glu;
+	GLUT glut = new GLUT();
+
+	public static int[] d_8to24table = new int[256];
+
+	int c_visible_lightmaps;
+	int c_visible_textures;
+
+	int registration_sequence;
+
+	// this a hack for function pointer test
+	// default disabled
+	boolean qglColorTableEXT = false;
+	boolean qglActiveTextureARB = false;
+	boolean qglPointParameterfEXT = false;
+	boolean qglLockArraysEXT = false;
+	boolean qwglSwapIntervalEXT = false;
+
+	//	=================
+	//  abstract methods
+	//	=================
+	protected abstract void Draw_GetPalette();
+
+	abstract void GL_ImageList_f();
+	abstract void GL_ScreenShot_f();
+	abstract void GL_SetTexturePalette(int[] palette);
+	abstract void GL_Strings_f();
+
+	abstract void Mod_Modellist_f();
+	abstract mleaf_t Mod_PointInLeaf(float[] point, model_t model);
+
+	abstract boolean QGL_Init(String dll_name);
+	abstract void QGL_Shutdown();
+	abstract boolean GLimp_Init(int xpos, int ypos);
+	abstract void GLimp_BeginFrame(float camera_separation);
+	abstract int GLimp_SetMode(Dimension dim, int mode, boolean fullscreen);
+	abstract void GLimp_Shutdown();
+	abstract void GLimp_EnableLogging(boolean enable);
+	abstract void GLimp_LogNewFrame();
+
+	abstract void GL_SetDefaultState();
+
+	abstract void GL_InitImages();
+	abstract void Mod_Init(); // Model.java
+	abstract void R_InitParticleTexture(); // MIsc.java
+	abstract void R_DrawAliasModel(entity_t e); // Mesh.java
+	abstract void R_DrawBrushModel(entity_t e); // Surf.java
+	abstract void Draw_InitLocal();
+	abstract void R_LightPoint(float[] p, float[] color);
+	abstract void R_PushDlights();
+	abstract void R_MarkLeaves();
+	abstract void R_DrawWorld();
+	abstract void R_RenderDlights();
+	abstract void R_DrawAlphaSurfaces();
+
+	abstract void Mod_FreeAll();
+
+	abstract void GL_ShutdownImages();
+	abstract void GL_Bind(int texnum);
+	abstract void GL_TexEnv(int mode);
+	abstract void GL_TextureMode(String string);
+	abstract void GL_TextureAlphaMode(String string);
+	abstract void GL_TextureSolidMode(String string);
+	abstract void GL_UpdateSwapInterval();
+
+	/*
+	====================================================================
+	
+	from gl_rmain.c
+	
+	====================================================================
+	*/
+
+	// IMPORTED FUNCTIONS
+	protected refimport_t ri = null;
+
+	int GL_TEXTURE0 = GL.GL_TEXTURE0;
+	int GL_TEXTURE1 = GL.GL_TEXTURE1;
+
+	viddef_t vid = new viddef_t();
+
+	model_t r_worldmodel;
+
+	float gldepthmin, gldepthmax;
+
+	glconfig_t gl_config = new glconfig_t();
+	glstate_t gl_state = new glstate_t();
+
+	image_t r_notexture; // use for bad textures
+	image_t r_particletexture; // little dot for particles
+
+	entity_t currententity;
+	model_t currentmodel;
+
+	cplane_t frustum[] = { new cplane_t(), new cplane_t(), new cplane_t(), new cplane_t()};
+
+	int r_visframecount; // bumped when going to a new PVS
+	int r_framecount; // used for dlight push checking
+
+	int c_brush_polys, c_alias_polys;
+
+	float v_blend[] = { 0, 0, 0, 0 }; // final blending color
+
+	//
+	//	   view origin
+	//
+	float[] vup = { 0, 0, 0 };
+	float[] vpn = { 0, 0, 0 };
+	float[] vright = { 0, 0, 0 };
+	float[] r_origin = { 0, 0, 0 };
+
+	float r_world_matrix[] = new float[16];
+	float r_base_world_matrix[] = new float[16];
+
+	//
+	//	   screen size info
+	//
+	refdef_t r_newrefdef = new refdef_t();
+
+	int r_viewcluster, r_viewcluster2, r_oldviewcluster, r_oldviewcluster2;
+
+	cvar_t r_norefresh;
+	cvar_t r_drawentities;
+	cvar_t r_drawworld;
+	cvar_t r_speeds;
+	cvar_t r_fullbright;
+	cvar_t r_novis;
+	cvar_t r_nocull;
+	cvar_t r_lerpmodels;
+	cvar_t r_lefthand;
+
+	cvar_t r_lightlevel;
+	// FIXME: This is a HACK to get the client's light level
+
+	cvar_t gl_nosubimage;
+	cvar_t gl_allow_software;
+
+	cvar_t gl_vertex_arrays;
+
+	cvar_t gl_particle_min_size;
+	cvar_t gl_particle_max_size;
+	cvar_t gl_particle_size;
+	cvar_t gl_particle_att_a;
+	cvar_t gl_particle_att_b;
+	cvar_t gl_particle_att_c;
+
+	cvar_t gl_ext_swapinterval;
+	cvar_t gl_ext_palettedtexture;
+	cvar_t gl_ext_multitexture;
+	cvar_t gl_ext_pointparameters;
+	cvar_t gl_ext_compiled_vertex_array;
+
+	cvar_t gl_log;
+	cvar_t gl_bitdepth;
+	cvar_t gl_drawbuffer;
+	cvar_t gl_driver;
+	cvar_t gl_lightmap;
+	cvar_t gl_shadows;
+	cvar_t gl_mode;
+	cvar_t gl_dynamic;
+	cvar_t gl_monolightmap;
+	cvar_t gl_modulate;
+	cvar_t gl_nobind;
+	cvar_t gl_round_down;
+	cvar_t gl_picmip;
+	cvar_t gl_skymip;
+	cvar_t gl_showtris;
+	cvar_t gl_ztrick;
+	cvar_t gl_finish;
+	cvar_t gl_clear;
+	cvar_t gl_cull;
+	cvar_t gl_polyblend;
+	cvar_t gl_flashblend;
+	cvar_t gl_playermip;
+	cvar_t gl_saturatelighting;
+	cvar_t gl_swapinterval;
+	cvar_t gl_texturemode;
+	cvar_t gl_texturealphamode;
+	cvar_t gl_texturesolidmode;
+	cvar_t gl_lockpvs;
+
+	cvar_t gl_3dlabs_broken;
+
+	cvar_t vid_fullscreen;
+	cvar_t vid_gamma;
+	cvar_t vid_ref;
+
+	// ============================================================================
+	// to port from gl_rmain.c, ...
+	// ============================================================================
+
+	/*
+	=================
+	R_CullBox
+	
+	Returns true if the box is completely outside the frustom
+	=================
+	*/
+	final boolean R_CullBox(float[] mins, float[] maxs) {
+		assert(mins.length == 3 && maxs.length == 3) : "vec3_t bug";
+
+		if (r_nocull.value != 0)
+			return false;
+
+		for (int i = 0; i < 4; i++) {
+			if (Math3D.BoxOnPlaneSide(mins, maxs, frustum[i]) == 2)
+				return true;
+		}
+		return false;
+	}
+
+	final void R_RotateForEntity(entity_t e) {
+
+		gl.glTranslatef(e.origin[0], e.origin[1], e.origin[2]);
+
+		gl.glRotatef(e.angles[1], 0, 0, 1);
+		gl.glRotatef(-e.angles[0], 0, 1, 0);
+		gl.glRotatef(-e.angles[2], 1, 0, 0);
+	}
+
+	/*
+	=============================================================
+	
+	   SPRITE MODELS
+	
+	=============================================================
+	*/
+
+	/*
+	=================
+	R_DrawSpriteModel
+	
+	=================
+	*/
+	void R_DrawSpriteModel(entity_t e) {
+		float alpha = 1.0F;
+		float[] point = { 0, 0, 0 };
+
+		qfiles.dsprframe_t frame;
+		qfiles.dsprite_t psprite;
+
+		// don't even bother culling, because it's just a single
+		// polygon without a surface cache
+
+		psprite = (qfiles.dsprite_t) currentmodel.extradata;
+
+		e.frame %= psprite.numframes;
+
+		frame = psprite.frames[e.frame];
+
+		if ((e.flags & Defines.RF_TRANSLUCENT) != 0)
+			alpha = e.alpha;
+
+		if (alpha != 1.0F)
+			gl.glEnable(GL.GL_BLEND);
+
+		gl.glColor4f(1, 1, 1, alpha);
+
+		GL_Bind(currentmodel.skins[e.frame].texnum);
+
+		GL_TexEnv(GL.GL_MODULATE);
+
+		if (alpha == 1.0)
+			gl.glEnable(GL.GL_ALPHA_TEST);
+		else
+			gl.glDisable(GL.GL_ALPHA_TEST);
+
+		gl.glBegin(GL.GL_QUADS);
+
+		gl.glTexCoord2f(0, 1);
+		Math3D.VectorMA(e.origin, -frame.origin_y, vup, point);
+		Math3D.VectorMA(point, -frame.origin_x, vright, point);
+		gl.glVertex3f(point[0], point[1], point[2]);
+
+		gl.glTexCoord2f(0, 0);
+		Math3D.VectorMA(e.origin, frame.height - frame.origin_y, vup, point);
+		Math3D.VectorMA(point, -frame.origin_x, vright, point);
+		gl.glVertex3f(point[0], point[1], point[2]);
+
+		gl.glTexCoord2f(1, 0);
+		Math3D.VectorMA(e.origin, frame.height - frame.origin_y, vup, point);
+		Math3D.VectorMA(point, frame.width - frame.origin_x, vright, point);
+		gl.glVertex3f(point[0], point[1], point[2]);
+
+		gl.glTexCoord2f(1, 1);
+		Math3D.VectorMA(e.origin, -frame.origin_y, vup, point);
+		Math3D.VectorMA(point, frame.width - frame.origin_x, vright, point);
+		gl.glVertex3f(point[0], point[1], point[2]);
+
+		gl.glEnd();
+
+		gl.glDisable(GL.GL_ALPHA_TEST);
+		GL_TexEnv(GL.GL_REPLACE);
+
+		if (alpha != 1.0F)
+			gl.glDisable(GL.GL_BLEND);
+
+		gl.glColor4f(1, 1, 1, 1);
+	}
+
+	// ==================================================================================
+
+	/*
+	=============
+	R_DrawNullModel
+	=============
+	cwei :-)
+	*/
+	void R_DrawNullModel() {
+		float[] shadelight = { 0, 0, 0 };
+
+		if ((currententity.flags & Defines.RF_FULLBRIGHT) != 0) {
+			// cwei wollte blau: shadelight[0] = shadelight[1] = shadelight[2] = 1.0F;
+			shadelight[0] = shadelight[1] = shadelight[2] = 0.0F;
+			shadelight[2] = 0.8F;
+		}
+		else {
+			R_LightPoint(currententity.origin, shadelight);
+		}
+
+		gl.glPushMatrix();
+		R_RotateForEntity(currententity);
+
+		gl.glDisable(GL.GL_TEXTURE_2D);
+		gl.glColor3f(shadelight[0], shadelight[1], shadelight[2]);
+
+		// this replaces the TRIANGLE_FAN
+		glut.glutWireCube(gl, 20);
+
+		/*
+			gl.glBegin(GL.GL_TRIANGLE_FAN);
+		gl.glVertex3f(0, 0, -16);
+		int i;
+		for (i=0 ; i<=4 ; i++) {
+			gl.glVertex3f((float)(16.0f * Math.cos(i * Math.PI / 2)), (float)(16.0f * Math.sin(i * Math.PI / 2)), 0.0f);
+		}
+		gl.glEnd();
+		
+		gl.glBegin(GL.GL_TRIANGLE_FAN);
+		gl.glVertex3f (0, 0, 16);
+		for (i=4 ; i>=0 ; i--) {
+			gl.glVertex3f((float)(16.0f * Math.cos(i * Math.PI / 2)), (float)(16.0f * Math.sin(i * Math.PI / 2)), 0.0f);
+		}
+		gl.glEnd();
+		*/
+		gl.glColor3f(1, 1, 1);
+		gl.glPopMatrix();
+		gl.glEnable(GL.GL_TEXTURE_2D);
+	}
+
+	/*
+	=============
+	R_DrawEntitiesOnList
+	=============
+	*/
+	void R_DrawEntitiesOnList() {
+		int i;
+
+		if (r_drawentities.value == 0.0f)
+			return;
+
+		// draw non-transparent first
+		for (i = 0; i < r_newrefdef.num_entities; i++) {
+			currententity = r_newrefdef.entities[i];
+			if ((currententity.flags & Defines.RF_TRANSLUCENT) != 0)
+				continue; // solid
+
+			if ((currententity.flags & Defines.RF_BEAM) != 0) {
+				R_DrawBeam(currententity);
+			}
+			else {
+				currentmodel = currententity.model;
+				if (currentmodel == null) {
+					R_DrawNullModel();
+					continue;
+				}
+				switch (currentmodel.type) {
+					case mod_alias :
+						R_DrawAliasModel(currententity);
+						break;
+					case mod_brush :
+						R_DrawBrushModel(currententity);
+						break;
+					case mod_sprite :
+						R_DrawSpriteModel(currententity);
+						break;
+					default :
+						ri.Sys_Error(Defines.ERR_DROP, "Bad modeltype");
+						break;
+				}
+			}
+		}
+		// draw transparent entities
+		// we could sort these if it ever becomes a problem...
+		gl.glDepthMask(false); // no z writes
+		for (i = 0; i < r_newrefdef.num_entities; i++) {
+			currententity = r_newrefdef.entities[i];
+			if ((currententity.flags & Defines.RF_TRANSLUCENT) == 0)
+				continue; // solid
+
+			if ((currententity.flags & Defines.RF_BEAM) != 0) {
+				R_DrawBeam(currententity);
+			}
+			else {
+				currentmodel = currententity.model;
+
+				if (currentmodel == null) {
+					R_DrawNullModel();
+					continue;
+				}
+				switch (currentmodel.type) {
+					case mod_alias :
+						R_DrawAliasModel(currententity);
+						break;
+					case mod_brush :
+						R_DrawBrushModel(currententity);
+						break;
+					case mod_sprite :
+						R_DrawSpriteModel(currententity);
+						break;
+					default :
+						ri.Sys_Error(Defines.ERR_DROP, "Bad modeltype");
+						break;
+				}
+			}
+		}
+		gl.glDepthMask(true); // back to writing
+	}
+	
+	/*
+	** GL_DrawParticles
+	**
+	*/
+	void GL_DrawParticles(int num_particles) {
+		float[] up = { 0, 0, 0 };
+		float[] right = { 0, 0, 0 };
+		float scale;
+		int color;
+
+		float origin_x, origin_y, origin_z;
+
+		Math3D.VectorScale(vup, 1.5f, up);
+		Math3D.VectorScale(vright, 1.5f, right);
+		
+		GL_Bind(r_particletexture.texnum);
+		gl.glDepthMask(false); // no z buffering
+		gl.glEnable(GL.GL_BLEND);
+		GL_TexEnv(GL.GL_MODULATE);
+		
+		gl.glBegin(GL.GL_TRIANGLES);
+
+		FloatBuffer sourceVertices = particle_t.vertexArray;
+		IntBuffer sourceColors = particle_t.colorArray;
+		for (int j = 0, i = 0; i < num_particles; i++) {
+			origin_x = sourceVertices.get(j++);
+			origin_y = sourceVertices.get(j++);
+			origin_z = sourceVertices.get(j++);
+
+			// hack a scale up to keep particles from disapearing
+			scale =
+				(origin_x - r_origin[0]) * vpn[0]
+					+ (origin_y - r_origin[1]) * vpn[1]
+					+ (origin_z - r_origin[2]) * vpn[2];
+
+			scale = (scale < 20) ? 1 :  1 + scale * 0.004f;
+
+			color = sourceColors.get(i);
+			gl.glColor4ub(
+				(byte)((color >> 0) & 0xFF),
+				(byte)((color >> 8) & 0xFF),
+				(byte)((color >> 16) & 0xFF),
+				(byte)((color >> 24) & 0xFF)
+			);
+			// first vertex
+			gl.glTexCoord2f(0.0625f, 0.0625f);
+			gl.glVertex3f(origin_x, origin_y, origin_z);
+			// second vertex
+			gl.glTexCoord2f(1.0625f, 0.0625f);
+			gl.glVertex3f(origin_x + up[0] * scale, origin_y + up[1] * scale, origin_z + up[2] * scale);
+			// third vertex
+			gl.glTexCoord2f(0.0625f, 1.0625f);
+			gl.glVertex3f(origin_x + right[0] * scale, origin_y + right[1] * scale, origin_z + right[2] * scale);
+		}
+		gl.glEnd();
+		
+		gl.glDisable(GL.GL_BLEND);
+		gl.glColor4f(1, 1, 1, 1);
+		gl.glDepthMask(true); // back to normal Z buffering
+		GL_TexEnv(GL.GL_REPLACE);
+	}
+
+	/*
+	===============
+	R_DrawParticles
+	===============
+	*/
+	void R_DrawParticles() {
+
+		if (gl_ext_pointparameters.value != 0.0f && qglPointParameterfEXT) {
+
+			//gl.glEnableClientState(GL.GL_VERTEX_ARRAY);
+			gl.glVertexPointer(3, GL.GL_FLOAT, 0, particle_t.vertexArray);
+			gl.glEnableClientState(GL.GL_COLOR_ARRAY);
+			gl.glColorPointer(4, GL.GL_UNSIGNED_BYTE, 0, particle_t.colorArray);
+			
+			gl.glDepthMask(false);
+			gl.glEnable(GL.GL_BLEND);
+			gl.glDisable(GL.GL_TEXTURE_2D);
+			gl.glPointSize(gl_particle_size.value);
+			
+			gl.glDrawArrays(GL.GL_POINTS, 0, r_newrefdef.num_particles);
+			
+			gl.glDisableClientState(GL.GL_COLOR_ARRAY);
+			//gl.glDisableClientState(GL.GL_VERTEX_ARRAY);
+
+			gl.glDisable(GL.GL_BLEND);
+			gl.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
+			gl.glDepthMask(true);
+			gl.glEnable(GL.GL_TEXTURE_2D);
+
+		}
+		else {
+			GL_DrawParticles(r_newrefdef.num_particles);
+		}
+	}
+
+	/*
+	============
+	R_PolyBlend
+	============
+	*/
+	void R_PolyBlend() {
+		if (gl_polyblend.value == 0.0f)
+			return;
+
+		if (v_blend[3] == 0.0f)
+			return;
+
+		gl.glDisable(GL.GL_ALPHA_TEST);
+		gl.glEnable(GL.GL_BLEND);
+		gl.glDisable(GL.GL_DEPTH_TEST);
+		gl.glDisable(GL.GL_TEXTURE_2D);
+
+		gl.glLoadIdentity();
+
+		// FIXME: get rid of these
+		gl.glRotatef(-90, 1, 0, 0); // put Z going up
+		gl.glRotatef(90, 0, 0, 1); // put Z going up
+
+		gl.glColor4f(v_blend[0], v_blend[1], v_blend[2], v_blend[3]);
+
+		gl.glBegin(GL.GL_QUADS);
+
+		gl.glVertex3f(10, 100, 100);
+		gl.glVertex3f(10, -100, 100);
+		gl.glVertex3f(10, -100, -100);
+		gl.glVertex3f(10, 100, -100);
+		gl.glEnd();
+
+		gl.glDisable(GL.GL_BLEND);
+		gl.glEnable(GL.GL_TEXTURE_2D);
+		gl.glEnable(GL.GL_ALPHA_TEST);
+
+		gl.glColor4f(1, 1, 1, 1);
+	}
+
+	// =======================================================================
+
+	int SignbitsForPlane(cplane_t out) {
+		// for fast box on planeside test
+		int bits = 0;
+		for (int j = 0; j < 3; j++) {
+			if (out.normal[j] < 0)
+				bits |= (1 << j);
+		}
+		return bits;
+	}
+
+	void R_SetFrustum() {
+		// rotate VPN right by FOV_X/2 degrees
+		Math3D.RotatePointAroundVector(frustum[0].normal, vup, vpn, - (90f - r_newrefdef.fov_x / 2f));
+		// rotate VPN left by FOV_X/2 degrees
+		Math3D.RotatePointAroundVector(frustum[1].normal, vup, vpn, 90f - r_newrefdef.fov_x / 2f);
+		// rotate VPN up by FOV_X/2 degrees
+		Math3D.RotatePointAroundVector(frustum[2].normal, vright, vpn, 90f - r_newrefdef.fov_y / 2f);
+		// rotate VPN down by FOV_X/2 degrees
+		Math3D.RotatePointAroundVector(frustum[3].normal, vright, vpn, - (90f - r_newrefdef.fov_y / 2f));
+
+		for (int i = 0; i < 4; i++) {
+			frustum[i].type = Defines.PLANE_ANYZ;
+			frustum[i].dist = Math3D.DotProduct(r_origin, frustum[i].normal);
+			frustum[i].signbits = (byte) SignbitsForPlane(frustum[i]);
+		}
+	}
+
+	// =======================================================================
+
+	/*
+	===============
+	R_SetupFrame
+	===============
+	*/
+	void R_SetupFrame() {
+		int i;
+		mleaf_t leaf;
+
+		r_framecount++;
+
+		//	build the transformation matrix for the given view angles
+		Math3D.VectorCopy(r_newrefdef.vieworg, r_origin);
+
+		Math3D.AngleVectors(r_newrefdef.viewangles, vpn, vright, vup);
+
+		//	current viewcluster
+		if ((r_newrefdef.rdflags & Defines.RDF_NOWORLDMODEL) == 0) {
+			r_oldviewcluster = r_viewcluster;
+			r_oldviewcluster2 = r_viewcluster2;
+			leaf = Mod_PointInLeaf(r_origin, r_worldmodel);
+			r_viewcluster = r_viewcluster2 = leaf.cluster;
+
+			// check above and below so crossing solid water doesn't draw wrong
+			if (leaf.contents == 0) { // look down a bit
+				float[] temp = { 0, 0, 0 };
+
+				Math3D.VectorCopy(r_origin, temp);
+				temp[2] -= 16;
+				leaf = Mod_PointInLeaf(temp, r_worldmodel);
+				if ((leaf.contents & Defines.CONTENTS_SOLID) == 0 && (leaf.cluster != r_viewcluster2))
+					r_viewcluster2 = leaf.cluster;
+			}
+			else { // look up a bit
+				float[] temp = { 0, 0, 0 };
+
+				Math3D.VectorCopy(r_origin, temp);
+				temp[2] += 16;
+				leaf = Mod_PointInLeaf(temp, r_worldmodel);
+				if ((leaf.contents & Defines.CONTENTS_SOLID) == 0 && (leaf.cluster != r_viewcluster2))
+					r_viewcluster2 = leaf.cluster;
+			}
+		}
+
+		for (i = 0; i < 4; i++)
+			v_blend[i] = r_newrefdef.blend[i];
+
+		c_brush_polys = 0;
+		c_alias_polys = 0;
+
+		// clear out the portion of the screen that the NOWORLDMODEL defines
+		if ((r_newrefdef.rdflags & Defines.RDF_NOWORLDMODEL) != 0) {
+			gl.glEnable(GL.GL_SCISSOR_TEST);
+			gl.glClearColor(0.3f, 0.3f, 0.3f, 1.0f);
+			gl.glScissor(
+				r_newrefdef.x,
+				vid.height - r_newrefdef.height - r_newrefdef.y,
+				r_newrefdef.width,
+				r_newrefdef.height);
+			gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
+			gl.glClearColor(1.0f, 0.0f, 0.5f, 0.5f);
+			gl.glDisable(GL.GL_SCISSOR_TEST);
+		}
+	}
+
+	void MYgluPerspective(double fovy, double aspect, double zNear, double zFar) {
+		double xmin, xmax, ymin, ymax;
+
+		ymax = zNear * Math.tan(fovy * Math.PI / 360.0);
+		ymin = -ymax;
+
+		xmin = ymin * aspect;
+		xmax = ymax * aspect;
+
+		xmin += - (2 * gl_state.camera_separation) / zNear;
+		xmax += - (2 * gl_state.camera_separation) / zNear;
+
+		gl.glFrustum(xmin, xmax, ymin, ymax, zNear, zFar);
+	}
+
+	/*
+	=============
+	R_SetupGL
+	=============
+	*/
+	void R_SetupGL() {
+		float screenaspect;
+		int x, x2, y2, y, w, h;
+
+		//
+		// set up viewport
+		//
+		x = (int) Math.floor(r_newrefdef.x * vid.width / vid.width);
+		x2 = (int) Math.ceil((r_newrefdef.x + r_newrefdef.width) * vid.width / vid.width);
+		y = (int) Math.floor(vid.height - r_newrefdef.y * vid.height / vid.height);
+		y2 = (int) Math.ceil(vid.height - (r_newrefdef.y + r_newrefdef.height) * vid.height / vid.height);
+
+		w = x2 - x;
+		h = y - y2;
+
+		gl.glViewport(x, y2, w, h);
+
+		//
+		// set up projection matrix
+		//
+		screenaspect = (float) r_newrefdef.width / r_newrefdef.height;
+		gl.glMatrixMode(GL.GL_PROJECTION);
+		gl.glLoadIdentity();
+		MYgluPerspective(r_newrefdef.fov_y, screenaspect, 4, 4096);
+
+		gl.glCullFace(GL.GL_FRONT);
+
+		gl.glMatrixMode(GL.GL_MODELVIEW);
+		gl.glLoadIdentity();
+
+		gl.glRotatef(-90, 1, 0, 0); // put Z going up
+		gl.glRotatef(90, 0, 0, 1); // put Z going up
+		gl.glRotatef(-r_newrefdef.viewangles[2], 1, 0, 0);
+		gl.glRotatef(-r_newrefdef.viewangles[0], 0, 1, 0);
+		gl.glRotatef(-r_newrefdef.viewangles[1], 0, 0, 1);
+		gl.glTranslatef(-r_newrefdef.vieworg[0], -r_newrefdef.vieworg[1], -r_newrefdef.vieworg[2]);
+
+		gl.glGetFloatv(GL.GL_MODELVIEW_MATRIX, r_world_matrix);
+
+		//
+		// set drawing parms
+		//
+		if (gl_cull.value != 0.0f)
+			gl.glEnable(GL.GL_CULL_FACE);
+		else
+			gl.glDisable(GL.GL_CULL_FACE);
+
+		gl.glDisable(GL.GL_BLEND);
+		gl.glDisable(GL.GL_ALPHA_TEST);
+		gl.glEnable(GL.GL_DEPTH_TEST);
+	}
+
+	/*
+	=============
+	R_Clear
+	=============
+	*/
+	int trickframe = 0;
+
+	void R_Clear() {
+		if (gl_ztrick.value != 0.0f) {
+
+			if (gl_clear.value != 0.0f) {
+				gl.glClear(GL.GL_COLOR_BUFFER_BIT);
+			}
+
+			trickframe++;
+			if ((trickframe & 1) != 0) {
+				gldepthmin = 0;
+				gldepthmax = 0.49999f;
+				gl.glDepthFunc(GL.GL_LEQUAL);
+			}
+			else {
+				gldepthmin = 1;
+				gldepthmax = 0.5f;
+				gl.glDepthFunc(GL.GL_GEQUAL);
+			}
+		}
+		else {
+			if (gl_clear.value != 0.0f)
+				gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
+			else
+				gl.glClear(GL.GL_DEPTH_BUFFER_BIT);
+
+			gldepthmin = 0;
+			gldepthmax = 1;
+			gl.glDepthFunc(GL.GL_LEQUAL);
+		}
+		gl.glDepthRange(gldepthmin, gldepthmax);
+	}
+
+	void R_Flash() {
+		R_PolyBlend();
+	}
+
+	/*
+	================
+	R_RenderView
+	
+	r_newrefdef must be set before the first call
+	================
+	*/
+	void R_RenderView(refdef_t fd) {
+
+		if (r_norefresh.value != 0.0f)
+			return;
+
+		r_newrefdef = fd;
+
+		// included by cwei
+		if (r_newrefdef == null) {
+			ri.Sys_Error(Defines.ERR_DROP, "R_RenderView: refdef_t fd is null");
+		}
+
+		if (r_worldmodel == null && (r_newrefdef.rdflags & Defines.RDF_NOWORLDMODEL) == 0)
+			ri.Sys_Error(Defines.ERR_DROP, "R_RenderView: NULL worldmodel");
+
+		if (r_speeds.value != 0.0f) {
+			c_brush_polys = 0;
+			c_alias_polys = 0;
+		}
+
+		R_PushDlights();
+
+		if (gl_finish.value != 0.0f)
+			gl.glFinish();
+
+		R_SetupFrame();
+
+		R_SetFrustum();
+
+		R_SetupGL();
+
+		R_MarkLeaves(); // done here so we know if we're in water
+
+		R_DrawWorld();
+
+		R_DrawEntitiesOnList();
+
+		R_RenderDlights();
+
+		R_DrawParticles();
+
+		R_DrawAlphaSurfaces();
+
+		R_Flash();
+
+		if (r_speeds.value != 0.0f) {
+			ri.Con_Printf(
+				Defines.PRINT_ALL,
+				"%4i wpoly %4i epoly %i tex %i lmaps\n",
+				new Vargs(4).add(c_brush_polys).add(c_alias_polys).add(c_visible_textures).add(c_visible_lightmaps));
+		}
+	}
+
+	void R_SetGL2D() {
+		// set 2D virtual screen size
+		gl.glViewport(0, 0, vid.width, vid.height);
+		gl.glMatrixMode(GL.GL_PROJECTION);
+		gl.glLoadIdentity();
+		gl.glOrtho(0, vid.width, vid.height, 0, -99999, 99999);
+		gl.glMatrixMode(GL.GL_MODELVIEW);
+		gl.glLoadIdentity();
+		gl.glDisable(GL.GL_DEPTH_TEST);
+		gl.glDisable(GL.GL_CULL_FACE);
+		gl.glDisable(GL.GL_BLEND);
+		gl.glEnable(GL.GL_ALPHA_TEST);
+		gl.glColor4f(1, 1, 1, 1);
+	}
+
+	/*
+	====================
+	R_SetLightLevel
+	
+	====================
+	*/
+	void R_SetLightLevel() {
+		float[] shadelight = { 0, 0, 0 };
+
+		if ((r_newrefdef.rdflags & Defines.RDF_NOWORLDMODEL) != 0)
+			return;
+
+		// save off light value for server to look at (BIG HACK!)
+
+		R_LightPoint(r_newrefdef.vieworg, shadelight);
+
+		// pick the greatest component, which should be the same
+		// as the mono value returned by software
+		if (shadelight[0] > shadelight[1]) {
+			if (shadelight[0] > shadelight[2])
+				r_lightlevel.value = 150 * shadelight[0];
+			else
+				r_lightlevel.value = 150 * shadelight[2];
+		}
+		else {
+			if (shadelight[1] > shadelight[2])
+				r_lightlevel.value = 150 * shadelight[1];
+			else
+				r_lightlevel.value = 150 * shadelight[2];
+		}
+	}
+
+	/*
+	@@@@@@@@@@@@@@@@@@@@@
+	R_RenderFrame
+	
+	@@@@@@@@@@@@@@@@@@@@@
+	*/
+	protected void R_RenderFrame(refdef_t fd) {
+		R_RenderView(fd);
+		R_SetLightLevel();
+		R_SetGL2D();
+	}
+
+	protected void R_Register() {
+		r_lefthand = ri.Cvar_Get("hand", "0", Globals.CVAR_USERINFO | Globals.CVAR_ARCHIVE);
+		r_norefresh = ri.Cvar_Get("r_norefresh", "0", 0);
+		r_fullbright = ri.Cvar_Get("r_fullbright", "0", 0);
+		r_drawentities = ri.Cvar_Get("r_drawentities", "1", 0);
+		r_drawworld = ri.Cvar_Get("r_drawworld", "1", 0);
+		r_novis = ri.Cvar_Get("r_novis", "0", 0);
+		r_nocull = ri.Cvar_Get("r_nocull", "0", 0);
+		r_lerpmodels = ri.Cvar_Get("r_lerpmodels", "1", 0);
+		r_speeds = ri.Cvar_Get("r_speeds", "0", 0);
+
+		r_lightlevel = ri.Cvar_Get("r_lightlevel", "1", 0);
+
+		gl_nosubimage = ri.Cvar_Get("gl_nosubimage", "0", 0);
+		gl_allow_software = ri.Cvar_Get("gl_allow_software", "0", 0);
+
+		gl_particle_min_size = ri.Cvar_Get("gl_particle_min_size", "2", Globals.CVAR_ARCHIVE);
+		gl_particle_max_size = ri.Cvar_Get("gl_particle_max_size", "40", Globals.CVAR_ARCHIVE);
+		gl_particle_size = ri.Cvar_Get("gl_particle_size", "40", Globals.CVAR_ARCHIVE);
+		gl_particle_att_a = ri.Cvar_Get("gl_particle_att_a", "0.01", Globals.CVAR_ARCHIVE);
+		gl_particle_att_b = ri.Cvar_Get("gl_particle_att_b", "0.0", Globals.CVAR_ARCHIVE);
+		gl_particle_att_c = ri.Cvar_Get("gl_particle_att_c", "0.01", Globals.CVAR_ARCHIVE);
+
+		gl_modulate = ri.Cvar_Get("gl_modulate", "1", Globals.CVAR_ARCHIVE);
+		gl_log = ri.Cvar_Get("gl_log", "0", 0);
+		gl_bitdepth = ri.Cvar_Get("gl_bitdepth", "0", 0);
+		gl_mode = ri.Cvar_Get("gl_mode", "3", Globals.CVAR_ARCHIVE); // 640x480
+		gl_lightmap = ri.Cvar_Get("gl_lightmap", "0", 0);
+		gl_shadows = ri.Cvar_Get("gl_shadows", "0", Globals.CVAR_ARCHIVE);
+		gl_dynamic = ri.Cvar_Get("gl_dynamic", "1", 0);
+		gl_nobind = ri.Cvar_Get("gl_nobind", "0", 0);
+		gl_round_down = ri.Cvar_Get("gl_round_down", "1", 0);
+		gl_picmip = ri.Cvar_Get("gl_picmip", "0", 0);
+		gl_skymip = ri.Cvar_Get("gl_skymip", "0", 0);
+		gl_showtris = ri.Cvar_Get("gl_showtris", "0", 0);
+		gl_ztrick = ri.Cvar_Get("gl_ztrick", "0", 0);
+		gl_finish = ri.Cvar_Get("gl_finish", "0", Globals.CVAR_ARCHIVE);
+		gl_clear = ri.Cvar_Get("gl_clear", "0", 0);
+		gl_cull = ri.Cvar_Get("gl_cull", "1", 0);
+		gl_polyblend = ri.Cvar_Get("gl_polyblend", "1", 0);
+		gl_flashblend = ri.Cvar_Get("gl_flashblend", "0", 0);
+		gl_playermip = ri.Cvar_Get("gl_playermip", "0", 0);
+		gl_monolightmap = ri.Cvar_Get("gl_monolightmap", "0", 0);
+		gl_driver = ri.Cvar_Get("gl_driver", "opengl32", Globals.CVAR_ARCHIVE);
+		gl_texturemode = ri.Cvar_Get("gl_texturemode", "GL_LINEAR_MIPMAP_NEAREST", Globals.CVAR_ARCHIVE);
+		gl_texturealphamode = ri.Cvar_Get("gl_texturealphamode", "default", Globals.CVAR_ARCHIVE);
+		gl_texturesolidmode = ri.Cvar_Get("gl_texturesolidmode", "default", Globals.CVAR_ARCHIVE);
+		gl_lockpvs = ri.Cvar_Get("gl_lockpvs", "0", 0);
+
+		gl_vertex_arrays = ri.Cvar_Get("gl_vertex_arrays", "1", Globals.CVAR_ARCHIVE);
+
+		gl_ext_swapinterval = ri.Cvar_Get("gl_ext_swapinterval", "1", Globals.CVAR_ARCHIVE);
+		gl_ext_palettedtexture = ri.Cvar_Get("gl_ext_palettedtexture", "0", Globals.CVAR_ARCHIVE);
+		gl_ext_multitexture = ri.Cvar_Get("gl_ext_multitexture", "1", Globals.CVAR_ARCHIVE);
+		gl_ext_pointparameters = ri.Cvar_Get("gl_ext_pointparameters", "1", Globals.CVAR_ARCHIVE);
+		gl_ext_compiled_vertex_array = ri.Cvar_Get("gl_ext_compiled_vertex_array", "1", Globals.CVAR_ARCHIVE);
+
+		gl_drawbuffer = ri.Cvar_Get("gl_drawbuffer", "GL_BACK", 0);
+		gl_swapinterval = ri.Cvar_Get("gl_swapinterval", "0", Globals.CVAR_ARCHIVE);
+
+		gl_saturatelighting = ri.Cvar_Get("gl_saturatelighting", "0", 0);
+
+		gl_3dlabs_broken = ri.Cvar_Get("gl_3dlabs_broken", "1", Globals.CVAR_ARCHIVE);
+
+		vid_fullscreen = ri.Cvar_Get("vid_fullscreen", "0", Globals.CVAR_ARCHIVE);
+		vid_gamma = ri.Cvar_Get("vid_gamma", "1.0", Globals.CVAR_ARCHIVE);
+		vid_ref = ri.Cvar_Get("vid_ref", "fastjogl", Globals.CVAR_ARCHIVE);
+
+		ri.Cmd_AddCommand("imagelist", new xcommand_t() {
+			public void execute() {
+				GL_ImageList_f();
+			}
+		});
+
+		ri.Cmd_AddCommand("screenshot", new xcommand_t() {
+			public void execute() {
+				GL_ScreenShot_f();
+			}
+		});
+		ri.Cmd_AddCommand("modellist", new xcommand_t() {
+			public void execute() {
+				Mod_Modellist_f();
+			}
+		});
+		ri.Cmd_AddCommand("gl_strings", new xcommand_t() {
+			public void execute() {
+				GL_Strings_f();
+			}
+		});
+	}
+
+	/*
+	==================
+	R_SetMode
+	==================
+	*/
+	protected boolean R_SetMode() {
+
+		int err; //  enum rserr_t
+		boolean fullscreen;
+
+//		if (vid_fullscreen.modified && !gl_config.allow_cds) {
+//			ri.Con_Printf(Defines.PRINT_ALL, "R_SetMode() - CDS not allowed with this driver\n");
+//			ri.Cvar_SetValue("vid_fullscreen", (vid_fullscreen.value > 0.0f) ? 0.0f : 1.0f);
+//			vid_fullscreen.modified = false;
+//		}
+
+		fullscreen = (vid_fullscreen.value > 0.0f);
+
+		vid_fullscreen.modified = false;
+		gl_mode.modified = false;
+
+		Dimension dim = new Dimension(vid.width, vid.height);
+
+		if ((err = GLimp_SetMode(dim, (int) gl_mode.value, fullscreen)) == rserr_ok) {
+			gl_state.prev_mode = (int) gl_mode.value;
+		}
+		else {
+			if (err == rserr_invalid_fullscreen) {
+				ri.Cvar_SetValue("vid_fullscreen", 0);
+				vid_fullscreen.modified = false;
+				ri.Con_Printf(Defines.PRINT_ALL, "ref_gl::R_SetMode() - fullscreen unavailable in this mode\n");
+				if ((err = GLimp_SetMode(dim, (int) gl_mode.value, false)) == rserr_ok)
+					return true;
+			}
+			else if (err == rserr_invalid_mode) {
+				ri.Cvar_SetValue("gl_mode", gl_state.prev_mode);
+				gl_mode.modified = false;
+				ri.Con_Printf(Defines.PRINT_ALL, "ref_gl::R_SetMode() - invalid mode\n");
+			}
+
+			// try setting it back to something safe
+			if ((err = GLimp_SetMode(dim, gl_state.prev_mode, false)) != rserr_ok) {
+				ri.Con_Printf(Defines.PRINT_ALL, "ref_gl::R_SetMode() - could not revert to safe mode\n");
+				return false;
+			}
+		}
+		return true;
+	}
+
+	/*
+	===============
+	R_Init
+	===============
+	*/
+	float[] r_turbsin = new float[256];
+
+	protected boolean R_Init(int vid_xpos, int vid_ypos) {
+
+		assert(Warp.SIN.length == 256) : "warpsin table bug";
+
+		// fill r_turbsin
+		for (int j = 0; j < 256; j++) {
+			r_turbsin[j] = Warp.SIN[j] * 0.5f;
+		}
+
+		ri.Con_Printf(Defines.PRINT_ALL, "ref_gl version: " + REF_VERSION + '\n');
+
+		Draw_GetPalette();
+
+		R_Register();
+
+		// initialize our QGL dynamic bindings
+		if (!QGL_Init(gl_driver.string)) {
+			QGL_Shutdown();
+			ri.Con_Printf(Defines.PRINT_ALL, "ref_gl::R_Init() - could not load \"" + gl_driver.string + "\"\n");
+			return false;
+		}
+
+		// initialize OS-specific parts of OpenGL
+		if (!GLimp_Init(vid_xpos, vid_ypos)) {
+			QGL_Shutdown();
+			return false;
+		}
+
+		// set our "safe" modes
+		gl_state.prev_mode = 3;
+
+		// create the window and set up the context
+		if (!R_SetMode()) {
+			QGL_Shutdown();
+			ri.Con_Printf(Defines.PRINT_ALL, "ref_gl::R_Init() - could not R_SetMode()\n");
+			return false;
+		}
+		return true;
+	}
+
+	boolean R_Init2() {
+		ri.Vid_MenuInit();
+
+		/*
+		** get our various GL strings
+		*/
+		gl_config.vendor_string = gl.glGetString(GL.GL_VENDOR);
+		ri.Con_Printf(Defines.PRINT_ALL, "GL_VENDOR: " + gl_config.vendor_string + '\n');
+		gl_config.renderer_string = gl.glGetString(GL.GL_RENDERER);
+		ri.Con_Printf(Defines.PRINT_ALL, "GL_RENDERER: " + gl_config.renderer_string + '\n');
+		gl_config.version_string = gl.glGetString(GL.GL_VERSION);
+		ri.Con_Printf(Defines.PRINT_ALL, "GL_VERSION: " + gl_config.version_string + '\n');
+		gl_config.extensions_string = gl.glGetString(GL.GL_EXTENSIONS);
+		ri.Con_Printf(Defines.PRINT_ALL, "GL_EXTENSIONS: " + gl_config.extensions_string + '\n');
+
+		String renderer_buffer = gl_config.renderer_string.toLowerCase();
+		String vendor_buffer = gl_config.vendor_string.toLowerCase();
+
+		if (renderer_buffer.indexOf("voodoo") >= 0) {
+			if (renderer_buffer.indexOf("rush") < 0)
+				gl_config.renderer = GL_RENDERER_VOODOO;
+			else
+				gl_config.renderer = GL_RENDERER_VOODOO_RUSH;
+		}
+		else if (vendor_buffer.indexOf("sgi") >= 0)
+			gl_config.renderer = GL_RENDERER_SGI;
+		else if (renderer_buffer.indexOf("permedia") >= 0)
+			gl_config.renderer = GL_RENDERER_PERMEDIA2;
+		else if (renderer_buffer.indexOf("glint") >= 0)
+			gl_config.renderer = GL_RENDERER_GLINT_MX;
+		else if (renderer_buffer.indexOf("glzicd") >= 0)
+			gl_config.renderer = GL_RENDERER_REALIZM;
+		else if (renderer_buffer.indexOf("gdi") >= 0)
+			gl_config.renderer = GL_RENDERER_MCD;
+		else if (renderer_buffer.indexOf("pcx2") >= 0)
+			gl_config.renderer = GL_RENDERER_PCX2;
+		else if (renderer_buffer.indexOf("verite") >= 0)
+			gl_config.renderer = GL_RENDERER_RENDITION;
+		else
+			gl_config.renderer = GL_RENDERER_OTHER;
+
+		String monolightmap = gl_monolightmap.string.toUpperCase();
+		if (monolightmap.length() < 2 || monolightmap.charAt(1) != 'F') {
+			if (gl_config.renderer == GL_RENDERER_PERMEDIA2) {
+				ri.Cvar_Set("gl_monolightmap", "A");
+				ri.Con_Printf(Defines.PRINT_ALL, "...using gl_monolightmap 'a'\n");
+			}
+			else if ((gl_config.renderer & GL_RENDERER_POWERVR) != 0) {
+				ri.Cvar_Set("gl_monolightmap", "0");
+			}
+			else {
+				ri.Cvar_Set("gl_monolightmap", "0");
+			}
+		}
+
+		// power vr can't have anything stay in the framebuffer, so
+		// the screen needs to redraw the tiled background every frame
+		if ((gl_config.renderer & GL_RENDERER_POWERVR) != 0) {
+			ri.Cvar_Set("scr_drawall", "1");
+		}
+		else {
+			ri.Cvar_Set("scr_drawall", "0");
+		}
+
+		// #ifdef __linux__
+		ri.Cvar_SetValue("gl_finish", 1);
+		// #endif
+
+		// MCD has buffering issues
+		if (gl_config.renderer == GL_RENDERER_MCD) {
+			ri.Cvar_SetValue("gl_finish", 1);
+		}
+
+		if ((gl_config.renderer & GL_RENDERER_3DLABS) != 0) {
+			if (gl_3dlabs_broken.value != 0.0f)
+				gl_config.allow_cds = false;
+			else
+				gl_config.allow_cds = true;
+		}
+		else {
+			gl_config.allow_cds = true;
+		}
+
+		if (gl_config.allow_cds)
+			ri.Con_Printf(Defines.PRINT_ALL, "...allowing CDS\n");
+		else
+			ri.Con_Printf(Defines.PRINT_ALL, "...disabling CDS\n");
+
+		/*
+		** grab extensions
+		*/
+		if (gl_config.extensions_string.indexOf("GL_EXT_compiled_vertex_array") >= 0
+			|| gl_config.extensions_string.indexOf("GL_SGI_compiled_vertex_array") >= 0) {
+			ri.Con_Printf(Defines.PRINT_ALL, "...enabling GL_EXT_compiled_vertex_array\n");
+			//		 qglLockArraysEXT = ( void * ) qwglGetProcAddress( "glLockArraysEXT" );
+			if (gl_ext_compiled_vertex_array.value != 0.0f)
+				qglLockArraysEXT = true;
+			else
+				qglLockArraysEXT = false;
+			//		 qglUnlockArraysEXT = ( void * ) qwglGetProcAddress( "glUnlockArraysEXT" );
+			//qglUnlockArraysEXT = true;
+		}
+		else {
+			ri.Con_Printf(Defines.PRINT_ALL, "...GL_EXT_compiled_vertex_array not found\n");
+			qglLockArraysEXT = false;
+		}
+
+		if (gl_config.extensions_string.indexOf("WGL_EXT_swap_control") >= 0) {
+			qwglSwapIntervalEXT = true;
+			ri.Con_Printf(Defines.PRINT_ALL, "...enabling WGL_EXT_swap_control\n");
+		} else {
+			qwglSwapIntervalEXT = false;
+			ri.Con_Printf(Defines.PRINT_ALL, "...WGL_EXT_swap_control not found\n");
+		}
+
+		if (gl_config.extensions_string.indexOf("GL_EXT_point_parameters") >= 0) {
+			if (gl_ext_pointparameters.value != 0.0f) {
+				//			 qglPointParameterfEXT = ( void (APIENTRY *)( GLenum, GLfloat ) ) qwglGetProcAddress( "glPointParameterfEXT" );
+				qglPointParameterfEXT = true;
+				//			 qglPointParameterfvEXT = ( void (APIENTRY *)( GLenum, const GLfloat * ) ) qwglGetProcAddress( "glPointParameterfvEXT" );
+				ri.Con_Printf(Defines.PRINT_ALL, "...using GL_EXT_point_parameters\n");
+			}
+			else {
+				ri.Con_Printf(Defines.PRINT_ALL, "...ignoring GL_EXT_point_parameters\n");
+			}
+		}
+		else {
+			ri.Con_Printf(Defines.PRINT_ALL, "...GL_EXT_point_parameters not found\n");
+		}
+
+		// #ifdef __linux__
+		//	 if ( strstr( gl_config.extensions_string, "3DFX_set_global_palette" ))
+		//	 {
+		//		 if ( gl_ext_palettedtexture->value )
+		//		 {
+		//			 ri.Con_Printf( Defines.PRINT_ALL, "...using 3DFX_set_global_palette\n" );
+		//			 qgl3DfxSetPaletteEXT = ( void ( APIENTRY * ) (GLuint *) )qwglGetProcAddress( "gl3DfxSetPaletteEXT" );
+		////			 qglColorTableEXT = Fake_glColorTableEXT;
+		//		 }
+		//		 else
+		//		 {
+		//			 ri.Con_Printf( Defines.PRINT_ALL, "...ignoring 3DFX_set_global_palette\n" );
+		//		 }
+		//	 }
+		//	 else
+		//	 {
+		//		 ri.Con_Printf( Defines.PRINT_ALL, "...3DFX_set_global_palette not found\n" );
+		//	 }
+		// #endif
+
+		if (!qglColorTableEXT
+			&& gl_config.extensions_string.indexOf("GL_EXT_paletted_texture") >= 0
+			&& gl_config.extensions_string.indexOf("GL_EXT_shared_texture_palette") >= 0) {
+			if (gl_ext_palettedtexture.value != 0.0f) {
+				ri.Con_Printf(Defines.PRINT_ALL, "...using GL_EXT_shared_texture_palette\n");
+				qglColorTableEXT = false; // true; TODO jogl bug
+			}
+			else {
+				ri.Con_Printf(Defines.PRINT_ALL, "...ignoring GL_EXT_shared_texture_palette\n");
+				qglColorTableEXT = false;
+			}
+		}
+		else {
+			ri.Con_Printf(Defines.PRINT_ALL, "...GL_EXT_shared_texture_palette not found\n");
+		}
+
+		if (gl_config.extensions_string.indexOf("GL_ARB_multitexture") >= 0) {
+			ri.Con_Printf(Defines.PRINT_ALL, "...using GL_ARB_multitexture\n");
+			qglActiveTextureARB = true;
+			GL_TEXTURE0 = GL.GL_TEXTURE0_ARB;
+			GL_TEXTURE1 = GL.GL_TEXTURE1_ARB;
+		}
+		else {
+			ri.Con_Printf(Defines.PRINT_ALL, "...GL_ARB_multitexture not found\n");
+		}
+
+		if (!(qglActiveTextureARB))
+			return false;
+
+		GL_SetDefaultState();
+
+		GL_InitImages();
+		Mod_Init();
+		R_InitParticleTexture();
+		Draw_InitLocal();
+
+		int err = gl.glGetError();
+		if (err != GL.GL_NO_ERROR)
+			ri.Con_Printf(
+				Defines.PRINT_ALL,
+				"glGetError() = 0x%x\n\t%s\n",
+				new Vargs(2).add(err).add("" + gl.glGetString(err)));
+
+		return true;
+	}
+
+	/*
+	===============
+	R_Shutdown
+	===============
+	*/
+	protected void R_Shutdown() {
+		ri.Cmd_RemoveCommand("modellist");
+		ri.Cmd_RemoveCommand("screenshot");
+		ri.Cmd_RemoveCommand("imagelist");
+		ri.Cmd_RemoveCommand("gl_strings");
+
+		Mod_FreeAll();
+
+		GL_ShutdownImages();
+
+		/*
+		 * shut down OS specific OpenGL stuff like contexts, etc.
+		 */
+		GLimp_Shutdown();
+
+		/*
+		 * shutdown our QGL subsystem
+		 */
+		QGL_Shutdown();
+	}
+
+	/*
+	@@@@@@@@@@@@@@@@@@@@@
+	R_BeginFrame
+	@@@@@@@@@@@@@@@@@@@@@
+	*/
+	protected void R_BeginFrame(float camera_separation) {
+
+		gl_state.camera_separation = camera_separation;
+
+		/*
+		** change modes if necessary
+		*/
+		if (gl_mode.modified || vid_fullscreen.modified) {
+			// FIXME: only restart if CDS is required
+			cvar_t ref;
+
+			ref = ri.Cvar_Get("vid_ref", "fastjogl", 0);
+			ref.modified = true;
+		}
+
+		if (gl_log.modified) {
+			GLimp_EnableLogging((gl_log.value != 0.0f));
+			gl_log.modified = false;
+		}
+
+		if (gl_log.value != 0.0f) {
+			GLimp_LogNewFrame();
+		}
+
+		/*
+		** update 3Dfx gamma -- it is expected that a user will do a vid_restart
+		** after tweaking this value
+		*/
+		if (vid_gamma.modified) {
+			vid_gamma.modified = false;
+
+			if ((gl_config.renderer & GL_RENDERER_VOODOO) != 0) {
+				// wird erstmal nicht gebraucht
+
+				/* 
+				char envbuffer[1024];
+				float g;
+				
+				g = 2.00 * ( 0.8 - ( vid_gamma->value - 0.5 ) ) + 1.0F;
+				Com_sprintf( envbuffer, sizeof(envbuffer), "SSTV2_GAMMA=%f", g );
+				putenv( envbuffer );
+				Com_sprintf( envbuffer, sizeof(envbuffer), "SST_GAMMA=%f", g );
+				putenv( envbuffer );
+				*/
+				ri.Con_Printf(Defines.PRINT_DEVELOPER, "gamma anpassung fuer VOODOO nicht gesetzt");
+			}
+		}
+
+		GLimp_BeginFrame(camera_separation);
+
+		/*
+		** go into 2D mode
+		*/
+		gl.glViewport(0, 0, vid.width, vid.height);
+		gl.glMatrixMode(GL.GL_PROJECTION);
+		gl.glLoadIdentity();
+		gl.glOrtho(0, vid.width, vid.height, 0, -99999, 99999);
+		gl.glMatrixMode(GL.GL_MODELVIEW);
+		gl.glLoadIdentity();
+		gl.glDisable(GL.GL_DEPTH_TEST);
+		gl.glDisable(GL.GL_CULL_FACE);
+		gl.glDisable(GL.GL_BLEND);
+		gl.glEnable(GL.GL_ALPHA_TEST);
+		gl.glColor4f(1, 1, 1, 1);
+
+		/*
+		** draw buffer stuff
+		*/
+		if (gl_drawbuffer.modified) {
+			gl_drawbuffer.modified = false;
+
+			if (gl_state.camera_separation == 0 || !gl_state.stereo_enabled) {
+				if (gl_drawbuffer.string.equalsIgnoreCase("GL_FRONT"))
+					gl.glDrawBuffer(GL.GL_FRONT);
+				else
+					gl.glDrawBuffer(GL.GL_BACK);
+			}
+		}
+
+		/*
+		** texturemode stuff
+		*/
+		if (gl_texturemode.modified) {
+			GL_TextureMode(gl_texturemode.string);
+			gl_texturemode.modified = false;
+		}
+
+		if (gl_texturealphamode.modified) {
+			GL_TextureAlphaMode(gl_texturealphamode.string);
+			gl_texturealphamode.modified = false;
+		}
+
+		if (gl_texturesolidmode.modified) {
+			GL_TextureSolidMode(gl_texturesolidmode.string);
+			gl_texturesolidmode.modified = false;
+		}
+
+		/*
+		** swapinterval stuff
+		*/
+		GL_UpdateSwapInterval();
+
+		//
+		// clear screen if desired
+		//
+		R_Clear();
+	}
+
+	int[] r_rawpalette = new int[256];
+
+	/*
+	=============
+	R_SetPalette
+	=============
+	*/
+	protected void R_SetPalette(byte[] palette) {
+		// 256 RGB values (768 bytes)
+		// or null
+		int i;
+		int color = 0;
+
+		if (palette != null) {
+			int j =0;
+			for (i = 0; i < 256; i++) {
+				color = (palette[j++] & 0xFF) << 0;
+				color |= (palette[j++] & 0xFF) << 8;
+				color |= (palette[j++] & 0xFF) << 16;
+				color |= 0xFF000000;
+				r_rawpalette[i] = color;
+			}
+		}
+		else {
+			for (i = 0; i < 256; i++) {
+				r_rawpalette[i] = d_8to24table[i] | 0xff000000;
+			}
+		}
+		GL_SetTexturePalette(r_rawpalette);
+
+		gl.glClearColor(0, 0, 0, 0);
+		gl.glClear(GL.GL_COLOR_BUFFER_BIT);
+		gl.glClearColor(1f, 0f, 0.5f, 0.5f);
+	}
+
+	static final int NUM_BEAM_SEGS = 6;
+	float[][] start_points = new float[NUM_BEAM_SEGS][3];
+	// array of vec3_t
+	float[][] end_points = new float[NUM_BEAM_SEGS][3]; // array of vec3_t
+
+	/*
+	** R_DrawBeam
+	*/
+	void R_DrawBeam(entity_t e) {
+
+		int i;
+		float r, g, b;
+
+		float[] perpvec = { 0, 0, 0 }; // vec3_t
+		float[] direction = { 0, 0, 0 }; // vec3_t
+		float[] normalized_direction = { 0, 0, 0 }; // vec3_t
+
+		float[] oldorigin = { 0, 0, 0 }; // vec3_t
+		float[] origin = { 0, 0, 0 }; // vec3_t
+
+		oldorigin[0] = e.oldorigin[0];
+		oldorigin[1] = e.oldorigin[1];
+		oldorigin[2] = e.oldorigin[2];
+
+		origin[0] = e.origin[0];
+		origin[1] = e.origin[1];
+		origin[2] = e.origin[2];
+
+		normalized_direction[0] = direction[0] = oldorigin[0] - origin[0];
+		normalized_direction[1] = direction[1] = oldorigin[1] - origin[1];
+		normalized_direction[2] = direction[2] = oldorigin[2] - origin[2];
+
+		if (Math3D.VectorNormalize(normalized_direction) == 0.0f)
+			return;
+
+		Math3D.PerpendicularVector(perpvec, normalized_direction);
+		Math3D.VectorScale(perpvec, e.frame / 2, perpvec);
+
+		for (i = 0; i < 6; i++) {
+			Math3D.RotatePointAroundVector(
+				start_points[i],
+				normalized_direction,
+				perpvec,
+				(360.0f / NUM_BEAM_SEGS) * i);
+
+			Math3D.VectorAdd(start_points[i], origin, start_points[i]);
+			Math3D.VectorAdd(start_points[i], direction, end_points[i]);
+		}
+
+		gl.glDisable(GL.GL_TEXTURE_2D);
+		gl.glEnable(GL.GL_BLEND);
+		gl.glDepthMask(false);
+
+		r = (d_8to24table[e.skinnum & 0xFF]) & 0xFF;
+		g = (d_8to24table[e.skinnum & 0xFF] >> 8) & 0xFF;
+		b = (d_8to24table[e.skinnum & 0xFF] >> 16) & 0xFF;
+
+		r *= 1 / 255.0f;
+		g *= 1 / 255.0f;
+		b *= 1 / 255.0f;
+
+		gl.glColor4f(r, g, b, e.alpha);
+
+		gl.glBegin(GL.GL_TRIANGLE_STRIP);
+		
+		float[] v;
+		
+		for (i = 0; i < NUM_BEAM_SEGS; i++) {
+			v = start_points[i];
+			gl.glVertex3f(v[0], v[1], v[2]);
+			v = end_points[i];
+			gl.glVertex3f(v[0], v[1], v[2]);
+			v = start_points[(i + 1) % NUM_BEAM_SEGS];
+			gl.glVertex3f(v[0], v[1], v[2]);
+			v = end_points[(i + 1) % NUM_BEAM_SEGS];
+			gl.glVertex3f(v[0], v[1], v[2]);
+		}
+		gl.glEnd();
+
+		gl.glEnable(GL.GL_TEXTURE_2D);
+		gl.glDisable(GL.GL_BLEND);
+		gl.glDepthMask(true);
+	}
+
+}