Fixing aliasing issues.

Co-authored-by: sigonasr2 <sigonasr2@gmail.com>

.vscode/launch.json

@@ -0,0 +1,36 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        
+        {
+            "type": "java",
+            "name": "Launch Current File",
+            "request": "launch",
+            "mainClass": "${file}"
+        },
+        {
+            "type": "java",
+            "name": "Launch SigKeeper",
+            "request": "launch",
+            "mainClass": "sig.SigKeeper",
+            "projectName": "SigKeeper"
+        },
+        {
+            "type": "java",
+            "name": "Launch SigRenderer",
+            "request": "launch",
+            "mainClass": "sig.SigRenderer",
+            "projectName": "SigRenderer"
+        },
+        {
+            "type": "java",
+            "name": "Launch TestKernel",
+            "request": "launch",
+            "mainClass": "sig.TestKernel",
+            "projectName": "SigRenderer"
+        }
+    ]
+}

TriOptimizations

@@ -0,0 +1,2 @@
+1) When an object is farther away from the camera, it can be rendered with a worse texture. You can skip texture coords to speed up texture rendering.
+2) Triangles that take up 1 or less pixels in width or height might as well not be rendered at all.

coauthors.sh

@@ -37,5 +37,5 @@ if(/COMMIT_EDITMSG/g.test(commitMessage)){
 }
 EOF
 chmod +x .git/hooks/prepare-commit-msg
-cd /workspace/SigRenderer
+cd /workspace/SigRenderer2
 echo "Environment is setup!"

src/sig/Panel.java

@@ -101,7 +101,7 @@ public class Panel extends JPanel implements Runnable {
         if(p.length != width * height) return;        
         for (int x=0;x<width;x++) {
             for (int y=0;y<height;y++) {
-                p[ (int)(x*SigRenderer.RESOLUTION) + (int)(y*SigRenderer.RESOLUTION) * width] = 0;
+                p[ x + y * width] = 0;
                 SigRenderer.depthBuffer[x+y*width]=0;
                 SigRenderer.depthBuffer_tri[x+y*width]=null;
                 SigRenderer.translucencyBuffer[x+y*width]=false;
@@ -234,6 +234,7 @@ public class Panel extends JPanel implements Runnable {
             prepareTriForRender(matWorld, matView, t.unmodifiedTri, newTris, true);
         }
         currentRender=newTris;
+        Vector newCamera = Vector.add(SigRenderer.vCamera,SigRenderer.vCameraOffset);
         for (Triangle t : currentRender) {
             Triangle[] clipped = new Triangle[]{new Triangle(),new Triangle()};
             List<Triangle> triList = new ArrayList<>();
@@ -269,11 +270,7 @@ public class Panel extends JPanel implements Runnable {
                         tt.unmodifiedTri.nextRenderTime2=System.currentTimeMillis()+50;
                     }
                     SigRenderer.temp_request=SigRenderer.request;
-                    DrawUtils.TexturedTriangle(p, 
-                        (int)tt.A.x,(int)tt.A.y,tt.T.u,tt.T.v,tt.T.w,
-                        (int)tt.B.x,(int)tt.B.y,tt.U.u,tt.U.v,tt.U.w,
-                        (int)tt.C.x,(int)tt.C.y,tt.V.u,tt.V.v,tt.V.w,
-                    tt.tex,(tt.col&0xFF0000)>>16,tt);
+                    RenderTriangle(p,tt,DrawUtils.NORMAL_RENDERING,newCamera);
                 } else {
                     DrawUtils.FillTriangle(p,(int)tt.A.x,(int)tt.A.y,(int)tt.B.x,(int)tt.B.y,(int)tt.C.x,(int)tt.C.y,tt.getColor());
                 }
@@ -338,11 +335,7 @@ public class Panel extends JPanel implements Runnable {
                 }
                 for (Triangle tt : triList) {
                     if (tt.tex!=null) {
-                        DrawUtils.TexturedTriangle(p, 
-                            (int)tt.A.x,(int)tt.A.y,tt.T.u,tt.T.v,tt.T.w,
-                            (int)tt.B.x,(int)tt.B.y,tt.U.u,tt.U.v,tt.U.w,
-                            (int)tt.C.x,(int)tt.C.y,tt.V.u,tt.V.v,tt.V.w,
-                        tt.tex,(tt.col&0xFF0000)>>16,tt,DrawUtils.IGNORE_TRANSLUCENT_RENDERING);
+                        RenderTriangle(p,tt,DrawUtils.IGNORE_TRANSLUCENT_RENDERING,newCamera);
                     } else {
                         DrawUtils.FillTriangle(p,(int)tt.A.x,(int)tt.A.y,(int)tt.B.x,(int)tt.B.y,(int)tt.C.x,(int)tt.C.y,tt.getColor());
                     }
@@ -384,11 +377,7 @@ public class Panel extends JPanel implements Runnable {
                 for (Triangle tt : triList) {
                     if (tt.tex!=null) {
                         tt.unmodifiedTri.nextRenderTime=tt.unmodifiedTri.nextRenderTime2=-1;
-                        DrawUtils.TexturedTriangle(p, 
-                            (int)tt.A.x,(int)tt.A.y,tt.T.u,tt.T.v,tt.T.w,
-                            (int)tt.B.x,(int)tt.B.y,tt.U.u,tt.U.v,tt.U.w,
-                            (int)tt.C.x,(int)tt.C.y,tt.V.u,tt.V.v,tt.V.w,
-                        tt.tex,(tt.col&0xFF0000)>>16,tt,DrawUtils.TRANSLUCENT_ONLY_RENDERING);
+                        RenderTriangle(p,tt,DrawUtils.TRANSLUCENT_ONLY_RENDERING,newCamera);
                     } else {
                         DrawUtils.FillTriangle(p,(int)tt.A.x,(int)tt.A.y,(int)tt.B.x,(int)tt.B.y,(int)tt.C.x,(int)tt.C.y,tt.getColor());
                     }
@@ -411,6 +400,25 @@ public class Panel extends JPanel implements Runnable {
             }
         }
 
+        for (int x=0;x<width;x++) {
+            for (int y=0;y<height;y++) {
+                if (SigRenderer.depthBuffer[x+y*width]==0) {
+                    if (y-1>=0&&SigRenderer.depthBuffer[x+(y-1)*width]!=0) {
+                        p[x+y*width]=p[x+(y-1)*width];
+                    }else
+                    if (y+1<SigRenderer.SCREEN_HEIGHT&&SigRenderer.depthBuffer[x+(y+1)*width]!=0) {
+                        p[x+y*width]=p[x+(y+1)*width];
+                    }else
+                    if (x+1<SigRenderer.SCREEN_WIDTH&&SigRenderer.depthBuffer[x+1+y*width]!=0) {
+                        p[x+y*width]=p[x+1+y*width];
+                    }else
+                    if (x-1>=0&&SigRenderer.depthBuffer[x-1+y*width]!=0) {
+                        p[x+y*width]=p[x-1+y*width];
+                    }
+                }
+            }
+        }
+
         SigRenderer.request=null;
         SigRenderer.answer=SigRenderer.tempAnswer;
         if (SigRenderer.PROFILING) {
@@ -562,6 +570,24 @@ public class Panel extends JPanel implements Runnable {
         }
     }    
 
+    public void RenderTriangle(int[] pixels,Triangle tt,int renderMode,Vector newCamera) {
+        float distSquared = ((tt.b.pos.x-newCamera.x)*(tt.b.pos.x-newCamera.x)+
+        (tt.b.pos.y-newCamera.y)*(tt.b.pos.y-newCamera.y)+
+        (tt.b.pos.z-newCamera.z)*(tt.b.pos.z-newCamera.z));
+        int finalResolution = SigRenderer.MAPLV2_RESOLUTION;
+        if (distSquared<SigRenderer.MAPLV1_DISTANCE) {
+            finalResolution=SigRenderer.RESOLUTION;
+        } else
+        if (distSquared<SigRenderer.MAPLV2_DISTANCE) {
+            finalResolution=SigRenderer.MAPLV1_RESOLUTION;
+        }
+        DrawUtils.TexturedTriangle(pixels, 
+            (int)tt.A.x,(int)tt.A.y,tt.T.u,tt.T.v,tt.T.w,
+            (int)tt.B.x,(int)tt.B.y,tt.U.u,tt.U.v,tt.U.w,
+            (int)tt.C.x,(int)tt.C.y,tt.V.u,tt.V.v,tt.V.w,
+        tt.tex,(tt.col&0xFF0000)>>16,tt,renderMode,finalResolution);
+    }
+
     public void repaint() {
         super.repaint();
     }

src/sig/SigRenderer.java

@@ -43,7 +43,11 @@ public class SigRenderer implements WindowFocusListener,KeyListener,MouseListene
     public final static long TIMEPERTICK = 16666667l;
     public static float DRAWTIME=0;
     public static float DRAWLOOPTIME=0;
-    public static final float RESOLUTION=1;
+    public static final int RESOLUTION=2;
+    public static final int MAPLV1_RESOLUTION=4;
+    public static final int MAPLV1_DISTANCE=16;
+    public static final int MAPLV2_RESOLUTION=8;
+    public static final int MAPLV2_DISTANCE=256;
     public static Robot myRobot;
     public static float rot = (float)Math.PI/4; //In radians.
     public static ConcurrentHashMap<String,Block> blockGrid = new ConcurrentHashMap<>();
@@ -402,6 +406,7 @@ public class SigRenderer implements WindowFocusListener,KeyListener,MouseListene
         for (int x=0;x<64;x++) {
             for (int z=0;z<64;z++) {
                 addBlock(new Vector(x,0,z),Cube.class,BlockType.SOIL_WET,FacingDirection.SOUTH);
+                //addBlock(new Vector(x,1,z),Plant.class,BlockType.valueOf("WHEAT_"+(r.nextInt(7))),FacingDirection.SOUTH);
                 //addBlock(new Vector(x,1,z),Staircase.class,BlockType.JUNGLE_PLANK,FacingDirection.SOUTH);
                 //addBlock(new Vector(x,2,z),Staircase.class,BlockType.SPRUCE_PLANK,FacingDirection.SOUTH);
                 /*for (int y=1;y<r.nextInt(5);y++) {
@@ -428,7 +433,6 @@ public class SigRenderer implements WindowFocusListener,KeyListener,MouseListene
                 }*/
             }
         }
-        addBlock(new Vector(31,1,31),Plant.class,BlockType.valueOf("WHEAT_"+(r.nextInt(7))),FacingDirection.SOUTH);
         /*addBlock(new Vector(31,2,32),Staircase.class,BlockType.PLANKS,FacingDirection.EAST);
         addBlock(new Vector(31,3,33),Staircase.class,BlockType.PLANKS,FacingDirection.WEST);
         addBlock(new Vector(31,4,34),Staircase.class,BlockType.PLANKS,FacingDirection.SOUTH);

src/sig/TestKernel.java

@@ -1,75 +0,0 @@
-package sig;
-
-import java.util.Arrays;
-
-import com.aparapi.Kernel;
-import com.aparapi.Range;
-import com.aparapi.device.Device;
-
-public class TestKernel extends Kernel{
-
-    int[] a,b;
-    float[] sum;
-    boolean[] test;
-    final int val=55555555;
-
-    TestKernel(int[] a,int[] b,float[] sum,boolean[] test) {
-        this.a=a;
-        this.b=b;
-        this.sum=sum;
-        this.test=test;
-    }
-
-    public static void main(String[] args) {
-        int size = 1024;
-
-        final int[] a = new int[size];
-        int[] b = new int[size];
-  
-        for (int i = 0; i < size; i++) {
-           a[i] = (int) (Math.random() * 100);
-           b[i] = (int) (Math.random() * 100);
-        }
-  
-        float[] sum = new float[size];
-  
-        TestKernel kernel = new TestKernel(a,b,sum,new boolean[]{true});
-  
-        //System.out.println("Start...");
-        kernel.execute(Range.create(size));
-        //System.out.println("Running...");
-        //size=5;
-        kernel.b[0]=50;
-        kernel.b[1]=45;
-        /*for (int i = 0; i < size; i++) {
-           b[i] = (int) (Math.random() * 100);
-        }*/
-        long timer1=System.nanoTime();
-        for (int i=0;i<900;i++) {
-            kernel.execute(Range.create(size));
-        }
-  
-
-        System.out.println((System.nanoTime()-timer1)+"ns");
-        kernel.dispose();
-        System.out.println(Arrays.toString(sum));
-        timer1=System.nanoTime();
-        for (int j=0;j<900;j++) {
-            for (int i=0;i<sum.length;i++) {
-                sum[i]=a[i]+b[i];
-            }
-        }
-        System.out.println((System.nanoTime()-timer1)+"ns");
-    }
-
-    @Override
-    public void run() {
-        int gid = getGlobalId();
-        sum[gid] = a[gid]+b[gid];
-    }    
-
-    void addExtra(int numb,int id) {
-        a[id]+=numb;
-        b[id]+=numb;
-    }
-}

src/sig/utils/DrawUtils.java

@@ -18,19 +18,69 @@ public class DrawUtils {
             Draw(canvas,i,ny,col);
         }
     }
+    private static boolean CheckAllTexels(float tex_w, float[] buffer, int x,int y, int texelSize) {
+        for (int xx=0;xx<texelSize;xx++) {
+            for (int yy=0;yy<texelSize;yy++) {
+                if (x+xx>=0&&x+xx<SigRenderer.SCREEN_WIDTH&&
+                    y+yy>=0&&y+yy<SigRenderer.SCREEN_HEIGHT&&
+                    tex_w<=buffer[(y+yy)*SigRenderer.SCREEN_WIDTH+(x+xx)]) {
+                    return false;
+                }
+            }
+        }
+        return true;
+    }
+    private static void setArrayTexels(float[] buffer, int x,int y,float value,int texelSize) {
+        for (int xx=0;xx<texelSize;xx++) {
+            for (int yy=0;yy<texelSize;yy++) {
+                if (x+xx>=0&&x+xx<SigRenderer.SCREEN_WIDTH&&
+                    y+yy>=0&&y+yy<SigRenderer.SCREEN_HEIGHT) {
+                    buffer[(y+yy)*SigRenderer.SCREEN_WIDTH+(x+xx)]=value;
+                }
+            }
+        }
+    }
+    private static void setArrayTexels(Triangle[] buffer, int x,int y,Triangle value,int texelSize) {
+        for (int xx=0;xx<texelSize;xx++) {
+            for (int yy=0;yy<texelSize;yy++) {
+                if (x+xx>=0&&x+xx<SigRenderer.SCREEN_WIDTH&&
+                    y+yy>=0&&y+yy<SigRenderer.SCREEN_HEIGHT) {
+                    buffer[(y+yy)*SigRenderer.SCREEN_WIDTH+(x+xx)]=value;
+                }
+            }
+        }
+    }
+    private static void setArrayTexels(boolean[] buffer, int x,int y,boolean value,int texelSize) {
+        for (int xx=0;xx<texelSize;xx++) {
+            for (int yy=0;yy<texelSize;yy++) {
+                if (x+xx>=0&&x+xx<SigRenderer.SCREEN_WIDTH&&
+                    y+yy>=0&&y+yy<SigRenderer.SCREEN_HEIGHT) {
+                    buffer[(y+yy)*SigRenderer.SCREEN_WIDTH+(x+xx)]=value;
+                }
+            }
+        }
+    }
     public static void TexturedTriangle(int[] canvas,
     int x1, int y1, float u1,float v1,float w1,
     int x2, int y2, float u2,float v2,float w2,
     int x3, int y3, float u3,float v3,float w3,
     Texture texture, int colorMult,Triangle ref) {
-        TexturedTriangle(canvas,x1,y1,u1,v1,w1,x2,y2,u2,v2,w2,x3,y3,u3,v3,w3,texture,colorMult,ref,NORMAL_RENDERING);
+        TexturedTriangle(canvas,x1,y1,u1,v1,w1,x2,y2,u2,v2,w2,x3,y3,u3,v3,w3,texture,colorMult,ref,NORMAL_RENDERING,1);
+    }
+    public static void TexturedTriangle(int[] canvas,
+    int x1, int y1, float u1,float v1,float w1,
+    int x2, int y2, float u2,float v2,float w2,
+    int x3, int y3, float u3,float v3,float w3,
+    Texture texture, int colorMult,Triangle ref,
+    int rendering_state) {
+        TexturedTriangle(canvas,x1,y1,u1,v1,w1,x2,y2,u2,v2,w2,x3,y3,u3,v3,w3,texture,colorMult,ref,rendering_state,1);
     }
     public static void TexturedTriangle(int[] canvas,
             int x1, int y1, float u1,float v1,float w1,
             int x2, int y2, float u2,float v2,float w2,
             int x3, int y3, float u3,float v3,float w3,
             Texture texture, int colorMult,Triangle ref,
-            int rendering_state
+            int rendering_state,int texelSize
     ) {
 		if (y2<y1) {int t=y1;y1=y2;y2=t;t=x1;x1=x2;x2=t;float u=u1;u1=u2;u2=u;float v=v1;v1=v2;v2=v;float w=w1;w1=w2;w2=w;}
 		if (y3<y1) {int t=y1;y1=y3;y3=t;t=x1;x1=x3;x3=t;float u=u1;u1=u3;u3=u;float v=v1;v1=v3;v3=v;float w=w1;w1=w3;w3=w;}
@@ -63,7 +113,7 @@ public class DrawUtils {
         if (dy2!=0) {dw2_step=dw2/((float)Math.abs(dy2));}
 
         if (dy1!=0) {
-            for (int i=y1;i<=y2;i++) {
+            for (int i=y1;i<((y1+texelSize)/texelSize)*texelSize;i++) {
                 int ax=(int)(x1+((float)(i-y1))*dax_step);
                 int bx=(int)(x1+((float)(i-y1))*dbx_step);
 
@@ -88,39 +138,103 @@ public class DrawUtils {
                 float tstep = 1.0f/(float)(bx-ax);
                 float t=0.0f;
 
-                for (int j=ax;j<=bx;j++) {
+                for (int j=ax;j<((ax+texelSize)/texelSize)*texelSize;j++) {
                     tex_u=(1.0f-t)*tex_su+t*tex_eu;
                     tex_v=(1.0f-t)*tex_sv+t*tex_ev;
                     tex_w=(1.0f-t)*tex_sw+t*tex_ew;
                     if (SigRenderer.temp_request!=null) {
-                        if (tex_w>SigRenderer.depthBuffer_noTransparency[i*SigRenderer.SCREEN_WIDTH+j]) {
-                            SigRenderer.depthBuffer_noTransparency[i*SigRenderer.SCREEN_WIDTH+j]=tex_w;
+                        if (CheckAllTexels(tex_w,SigRenderer.depthBuffer_noTransparency,j,i,1)) {
+                            setArrayTexels(SigRenderer.depthBuffer_noTransparency,j,i,tex_w,1);
                             if (j==SigRenderer.temp_request.getX()&&i==SigRenderer.temp_request.getY()) {
                                 SigRenderer.tempAnswer=new MouseHandler(SigRenderer.temp_request,ref);
                             }
                         }
                     }
-                    if (tex_w>SigRenderer.depthBuffer[i*SigRenderer.SCREEN_WIDTH+j]) {
+                    if (CheckAllTexels(tex_w,SigRenderer.depthBuffer,j,i,1)) {
+                        int col = texture.getColor(tex_u/tex_w,tex_v/tex_w,colorMult/255f);
+                        if (((col&0xFF000000)>>>24)!=0) {
+                            if (((col&0xFF000000)>>>24)!=255) {
+                                if (rendering_state==TRANSLUCENT_ONLY_RENDERING||
+                                    rendering_state==NORMAL_RENDERING) {
+                                        Draw(canvas,j,i,col,1);
+                                        setArrayTexels(SigRenderer.depthBuffer,j,i,tex_w,1);
+                                        if (rendering_state!=TRANSLUCENT_ONLY_RENDERING) {
+                                            setArrayTexels(SigRenderer.depthBuffer_tri,j,i,ref.unmodifiedTri,1);
+                                        }
+                                        setArrayTexels(SigRenderer.translucencyBuffer,j,i,true,1);
+                                }
+                            } else {
+                                if (rendering_state!=TRANSLUCENT_ONLY_RENDERING) {
+                                    Draw(canvas,j,i,col,1);
+                                    setArrayTexels(SigRenderer.depthBuffer,j,i,tex_w,1);
+                                    setArrayTexels(SigRenderer.depthBuffer_tri,j,i,ref.unmodifiedTri,1);
+                                }
+                            }
+                        }
+                    } 
+                    t+=tstep*1;
+                }
+            }
+            for (int i=((y1+texelSize)/texelSize)*texelSize;i<=y2;i+=texelSize) {
+                int ax=(int)(x1+((float)(i-y1))*dax_step);
+                int bx=(int)(x1+((float)(i-y1))*dbx_step);
+
+                float tex_su=u1+((float)(i-y1))*du1_step;
+                float tex_sv=v1+((float)(i-y1))*dv1_step;
+                float tex_sw=w1+((float)(i-y1))*dw1_step;
+                float tex_eu=u1+((float)(i-y1))*du2_step;
+                float tex_ev=v1+((float)(i-y1))*dv2_step;
+                float tex_ew=w1+((float)(i-y1))*dw2_step;
+
+                if (ax>bx) {
+                    int t=ax;ax=bx;bx=t;
+                    float u=tex_su;tex_su=tex_eu;tex_eu=u;
+                    float v=tex_sv;tex_sv=tex_ev;tex_ev=v;
+                    float w=tex_sw;tex_sw=tex_ew;tex_ew=w;
+                }
+
+                tex_u=tex_su;
+                tex_v=tex_sv;
+                tex_w=tex_sw;
+
+                float tstep = 1.0f/(float)(bx-ax);
+                float t=0.0f;
+
+                for (int j=((ax+texelSize)/texelSize)*texelSize;j<=bx;j+=texelSize) {
+                    tex_u=(1.0f-t)*tex_su+t*tex_eu;
+                    tex_v=(1.0f-t)*tex_sv+t*tex_ev;
+                    tex_w=(1.0f-t)*tex_sw+t*tex_ew;
+                    if (SigRenderer.temp_request!=null) {
+                        if (CheckAllTexels(tex_w,SigRenderer.depthBuffer_noTransparency,j,i,texelSize)) {
+                            setArrayTexels(SigRenderer.depthBuffer_noTransparency,j,i,tex_w,texelSize);
+                            if (SigRenderer.temp_request.getX()-j<=texelSize&&SigRenderer.temp_request.getY()-i<=texelSize) {
+                                SigRenderer.tempAnswer=new MouseHandler(SigRenderer.temp_request,ref);
+                            }
+                        }
+                    }
+                    if (CheckAllTexels(tex_w,SigRenderer.depthBuffer,j,i,texelSize)) {
                         int col = texture.getColor(tex_u/tex_w,tex_v/tex_w,colorMult/255f);
                         if (((col&0xFF000000)>>>24)!=0) {
                             if (((col&0xFF000000)>>>24)!=255) {
                                 if (rendering_state==TRANSLUCENT_ONLY_RENDERING||
                                     rendering_state==NORMAL_RENDERING) {
-                                        Draw(canvas,j,i,col);
-                                        SigRenderer.depthBuffer[i*SigRenderer.SCREEN_WIDTH+j] = tex_w;
-                                        SigRenderer.depthBuffer_tri[i*SigRenderer.SCREEN_WIDTH+j] = ref.unmodifiedTri;
-                                        SigRenderer.translucencyBuffer[i*SigRenderer.SCREEN_WIDTH+j] = true;
+                                        Draw(canvas,j,i,col,texelSize);
+                                        setArrayTexels(SigRenderer.depthBuffer,j,i,tex_w,texelSize);
+                                        if (rendering_state!=TRANSLUCENT_ONLY_RENDERING) {
+                                            setArrayTexels(SigRenderer.depthBuffer_tri,j,i,ref.unmodifiedTri,texelSize);
+                                        }
+                                        setArrayTexels(SigRenderer.translucencyBuffer,j,i,true,texelSize);
                                 }
                             } else {
                                 if (rendering_state!=TRANSLUCENT_ONLY_RENDERING) {
-                                    Draw(canvas,j,i,col);
-                                    SigRenderer.depthBuffer[i*SigRenderer.SCREEN_WIDTH+j] = tex_w;
-                                    SigRenderer.depthBuffer_tri[i*SigRenderer.SCREEN_WIDTH+j] = ref.unmodifiedTri;
+                                    Draw(canvas,j,i,col,texelSize);
+                                    setArrayTexels(SigRenderer.depthBuffer,j,i,tex_w,texelSize);
+                                    setArrayTexels(SigRenderer.depthBuffer_tri,j,i,ref.unmodifiedTri,texelSize);
                                 }
                             }
                         }
                     } 
-                    t+=tstep;
+                    t+=tstep*texelSize;
                 }
             }
         }
@@ -139,7 +253,7 @@ public class DrawUtils {
         if (dy1!=0) {dw1_step=dw1/((float)Math.abs(dy1));}
 
         if (dy1!=0) {
-            for (int i=y2;i<=y3;i++) {
+            for (int i=y2;i<((y2+texelSize)/texelSize)*texelSize;i++) {
                 int ax=(int)(x2+((float)(i-y2))*dax_step);
                 int bx=(int)(x1+((float)(i-y1))*dbx_step);
 
@@ -164,41 +278,106 @@ public class DrawUtils {
                 float tstep = 1.0f/(float)(bx-ax);
                 float t=0.0f;
 
-                for (int j=ax;j<=bx;j++) {
+
+                for (int j=ax;j<=((ax+texelSize)/texelSize)*texelSize;j++) {
                     tex_u=(1.0f-t)*tex_su+t*tex_eu;
                     tex_v=(1.0f-t)*tex_sv+t*tex_ev;
                     tex_w=(1.0f-t)*tex_sw+t*tex_ew;
                     if (SigRenderer.temp_request!=null) {
-                        if (tex_w>SigRenderer.depthBuffer_noTransparency[i*SigRenderer.SCREEN_WIDTH+j]) {
-                            SigRenderer.depthBuffer_noTransparency[i*SigRenderer.SCREEN_WIDTH+j]=tex_w;
-                            if (j==SigRenderer.temp_request.getX()&&i==SigRenderer.temp_request.getY()) {
+                        if (CheckAllTexels(tex_w,SigRenderer.depthBuffer_noTransparency,j,i,1)) {
+                            setArrayTexels(SigRenderer.depthBuffer_noTransparency,j,i,tex_w,1);
+                            if (SigRenderer.temp_request.getX()==j&&SigRenderer.temp_request.getY()==i) {
                                 SigRenderer.tempAnswer=new MouseHandler(SigRenderer.temp_request,ref);
                             }
                         }
                     }
-                    if (tex_w>SigRenderer.depthBuffer[i*SigRenderer.SCREEN_WIDTH+j]) {
+                    if (CheckAllTexels(tex_w,SigRenderer.depthBuffer,j,i,1)) {
                         int col = texture.getColor(tex_u/tex_w,tex_v/tex_w,colorMult/255f);
                         if (((col&0xFF000000)>>>24)!=0) {
                             if (((col&0xFF000000)>>>24)!=255) {
                                 if (rendering_state==TRANSLUCENT_ONLY_RENDERING||
                                     rendering_state==NORMAL_RENDERING) {
-                                        Draw(canvas,j,i,col);
-                                        SigRenderer.depthBuffer[i*SigRenderer.SCREEN_WIDTH+j] = tex_w;
+                                        Draw(canvas,j,i,col,1);
+                                        setArrayTexels(SigRenderer.depthBuffer,j,i,tex_w,1);
                                         if (rendering_state!=TRANSLUCENT_ONLY_RENDERING) {
-                                            SigRenderer.depthBuffer_tri[i*SigRenderer.SCREEN_WIDTH+j] = ref.unmodifiedTri;
+                                            setArrayTexels(SigRenderer.depthBuffer_tri,j,i,ref.unmodifiedTri,texelSize);
                                         }
-                                        SigRenderer.translucencyBuffer[i*SigRenderer.SCREEN_WIDTH+j] = true;
+                                        setArrayTexels(SigRenderer.translucencyBuffer,j,i,true,1);
                                 }
                             } else {
                                 if (rendering_state!=TRANSLUCENT_ONLY_RENDERING) {
-                                    Draw(canvas,j,i,col);
-                                    SigRenderer.depthBuffer[i*SigRenderer.SCREEN_WIDTH+j] = tex_w;
-                                    SigRenderer.depthBuffer_tri[i*SigRenderer.SCREEN_WIDTH+j] = ref.unmodifiedTri;
+                                    Draw(canvas,j,i,col,1);
+                                    setArrayTexels(SigRenderer.depthBuffer,j,i,tex_w,1);
+                                    setArrayTexels(SigRenderer.depthBuffer_tri,j,i,ref.unmodifiedTri,1);
                                 }
                             }
                         }
                     }
-                    t+=tstep;
+                    t+=tstep*1;
+                }
+            }
+            for (int i=((y2+texelSize)/texelSize)*texelSize;i<=y3;i+=texelSize) {
+                int ax=(int)(x2+((float)(i-y2))*dax_step);
+                int bx=(int)(x1+((float)(i-y1))*dbx_step);
+
+                float tex_su=u2+((float)(i-y2))*du1_step;
+                float tex_sv=v2+((float)(i-y2))*dv1_step;
+                float tex_sw=w2+((float)(i-y2))*dw1_step;
+                float tex_eu=u1+((float)(i-y1))*du2_step;
+                float tex_ev=v1+((float)(i-y1))*dv2_step;
+                float tex_ew=w1+((float)(i-y1))*dw2_step;
+
+                if (ax>bx) {
+                    int t=ax;ax=bx;bx=t;
+                    float u=tex_su;tex_su=tex_eu;tex_eu=u;
+                    float v=tex_sv;tex_sv=tex_ev;tex_ev=v;
+                    float w=tex_sw;tex_sw=tex_ew;tex_ew=w;
+                }
+
+                tex_u=tex_su;
+                tex_v=tex_sv;
+                tex_w=tex_sw;
+
+                float tstep = 1.0f/(float)(bx-ax);
+                float t=0.0f;
+
+
+                for (int j=((ax+texelSize)/texelSize)*texelSize;j<=bx;j+=texelSize) {
+                    tex_u=(1.0f-t)*tex_su+t*tex_eu;
+                    tex_v=(1.0f-t)*tex_sv+t*tex_ev;
+                    tex_w=(1.0f-t)*tex_sw+t*tex_ew;
+                    if (SigRenderer.temp_request!=null) {
+                        if (CheckAllTexels(tex_w,SigRenderer.depthBuffer_noTransparency,j,i,texelSize)) {
+                            setArrayTexels(SigRenderer.depthBuffer_noTransparency,j,i,tex_w,texelSize);
+                            if (Math.abs(j-SigRenderer.temp_request.getX())<=texelSize/2+1&&
+                            Math.abs(i-SigRenderer.temp_request.getY())<=texelSize/2+1) {
+                                SigRenderer.tempAnswer=new MouseHandler(SigRenderer.temp_request,ref);
+                            }
+                        }
+                    }
+                    if (CheckAllTexels(tex_w,SigRenderer.depthBuffer,j,i,texelSize)) {
+                        int col = texture.getColor(tex_u/tex_w,tex_v/tex_w,colorMult/255f);
+                        if (((col&0xFF000000)>>>24)!=0) {
+                            if (((col&0xFF000000)>>>24)!=255) {
+                                if (rendering_state==TRANSLUCENT_ONLY_RENDERING||
+                                    rendering_state==NORMAL_RENDERING) {
+                                        Draw(canvas,j,i,col,texelSize);
+                                        setArrayTexels(SigRenderer.depthBuffer,j,i,tex_w,texelSize);
+                                        if (rendering_state!=TRANSLUCENT_ONLY_RENDERING) {
+                                            setArrayTexels(SigRenderer.depthBuffer_tri,j,i,ref.unmodifiedTri,texelSize);
+                                        }
+                                        setArrayTexels(SigRenderer.translucencyBuffer,j,i,true,texelSize);
+                                }
+                            } else {
+                                if (rendering_state!=TRANSLUCENT_ONLY_RENDERING) {
+                                    Draw(canvas,j,i,col,texelSize);
+                                    setArrayTexels(SigRenderer.depthBuffer,j,i,tex_w,texelSize);
+                                    setArrayTexels(SigRenderer.depthBuffer_tri,j,i,ref.unmodifiedTri,texelSize);
+                                }
+                            }
+                        }
+                    }
+                    t+=tstep*texelSize;
                 }
             }
         }
@@ -392,6 +571,9 @@ public class DrawUtils {
         }
     }
     public static void Draw(int[] canvas,int x,int y,int col) {
+        Draw(canvas,x,y,col,1);
+    }
+    public static void Draw(int[] canvas,int x,int y,int col,int texelSize) {
         if (x>=0&&y>=0&&x<SigRenderer.SCREEN_WIDTH&&y<SigRenderer.SCREEN_HEIGHT) {
             //System.out.println(x+","+y);
             int alpha = col>>>24;
@@ -404,10 +586,21 @@ public class DrawUtils {
                 int new_r=(int)(ratio*r+(1-ratio)*prev_r);
                 int new_g=(int)(ratio*g+(1-ratio)*prev_g);
                 int new_b=(int)(ratio*b+(1-ratio)*prev_b);
-                
-                canvas[x+y*SigRenderer.SCREEN_WIDTH]=new_r+(new_g<<8)+(new_b<<16)+(col&0xFF000000);
+                for (int xx=0;xx<texelSize;xx++) {
+                    for (int yy=0;yy<texelSize;yy++) {
+                        if (x+xx>=0&&x+xx<SigRenderer.SCREEN_WIDTH&&y+yy>=0&&y+yy<SigRenderer.SCREEN_HEIGHT) {
+                            canvas[x+xx+(y+yy)*SigRenderer.SCREEN_WIDTH]=new_r+(new_g<<8)+(new_b<<16)+(col&0xFF000000);
+                        }
+                    }
+                }
             } else {
-                canvas[x+y*SigRenderer.SCREEN_WIDTH]=col;
+                for (int xx=0;xx<texelSize;xx++) {
+                    for (int yy=0;yy<texelSize;yy++) {
+                        if (x+xx>=0&&x+xx<SigRenderer.SCREEN_WIDTH&&y+yy>=0&&y+yy<SigRenderer.SCREEN_HEIGHT) {
+                            canvas[x+xx+(y+yy)*SigRenderer.SCREEN_WIDTH]=col;
+                        }
+                    }
+                }
             }
         }
     }