-// Copyright 2003 Adam Megacz, see the COPYING file for licensing [LGPL]
+// Copyright 2004 Adam Megacz, see the COPYING file for licensing [LGPL]
// Author: Brian Alliet
package org.xwt.plat;
import org.xwt.*;
+import org.xwt.js.*;
import org.xwt.util.*;
abstract class OpenGL {
boolean hasRectangularTextures() { return rectangularTextures; }
int maxTexSize;
int maxRectTexSize;
+ float glVersion;
String version;
String renderer;
String vendor;
return 1.1f; // just a guess
}
}
- // This MUST be called after OpenGL is instansiated (and activateSharedContext is functioning)
+
+ // This MUST be called after OpenGL is instansiated (and activateSharedInterpreter is functioning)
public void init() throws NotSupportedException {
natInit();
- float v = parseVersion(version);
- // FEATURE: enable linear filtering for OpenGL >= 1.2
- // If we disable linear filtering (and therefor GL_CLAMP_TO_EDGE) we could probably get by with less
- if(v < 1.1) throw new NotSupportedException("OpenGL 1.1 or greater is required. (you have: " + version +" - " + v + ")");
+ glVersion = parseVersion(version);
+ if(glVersion < 1.1) throw new NotSupportedException("OpenGL 1.1 or greater is required. (you have: " + version +" - " + glVersion + ")");
if(pretendToBeACrappyVideoCard) {
maxTexSize = 512;
maxRectTexSize = 0;
rectangularTextures = false;
}
- Log.log(this,"Renderer: " + renderer);
- Log.log(this,"Version: " + version);
- Log.log(this,"Vendor: " + vendor);
- Log.log(this,"Rectangular textures: " + (rectangularTextures ? "supported" : "unsupported"));
- Log.log(this,"Max texture size: " + maxTexSize);
- Log.log(this,"Max rectangular texture size: " + maxRectTexSize);
+ Log.diag(this,"Renderer: " + renderer);
+ Log.diag(this,"Version: " + version);
+ Log.diag(this,"Vendor: " + vendor);
+ Log.diag(this,"Rectangular textures: " + (rectangularTextures ? "supported" : "unsupported"));
+ Log.diag(this,"Max texture size: " + maxTexSize);
+ Log.diag(this,"Max rectangular texture size: " + maxRectTexSize);
}
- protected abstract void activateSharedContext();
+ protected abstract void activateSharedInterpreter();
public static class NotSupportedException extends Exception {
public NotSupportedException(String s) { super(s); }
}
// This should activate the drawing context and prepare the double buffer for drawing
- protected abstract void activateContext();
+ protected abstract void activateInterpreter();
protected static native void drawableInit(int w, int h);
public native void setClip(int x, int y, int x2, int y2);
public native void resetClip();
- public native void fillRect(int x, int y, int x2, int y2, int color);
public native void fillTrapezoid(int x1, int x2, int y1, int x3, int x4, int y2, int color);
public void drawString(String font, String text, int x, int y, int color) {
//System.out.println("drawString(): " + text);
}
-
- public void drawPicture(org.xwt.Picture source, int x, int y) {
- activateContext();
- GLPicture p = (GLPicture) source;
- p.draw(x,y);
+
+ public void drawGlyph(org.xwt.Font.Glyph source, int dx, int dy, int cx1, int cy1, int cx2, int cy2, int rgb) {
+ drawPicture_(((org.xwt.Platform.DefaultGlyph)source).getPicture(), dx, dy, cx1, cy1, cx2, cy2, rgb);
}
- public void drawPicture(org.xwt.Picture source, int dx1, int dy1, int dx2, int dy2,int sx1, int sy1, int sx2, int sy2) {
- activateContext();
- GLPicture p = (GLPicture) source;
- p.draw(dx1,dy1,dx2,dy2,sx1,sy1,sx2,sy2);
+ public void drawPicture(Picture source, int dx, int dy, int cx1, int cy1, int cx2, int cy2) {
+ drawPicture_(source, dx, dy, cx1, cy1, cx2, cy2, 0xffffffff);
+ }
+
+ private void drawPicture_(Picture source, int dx, int dy, int cx1, int cy1, int cx2, int cy2, int color) {
+ activateInterpreter();
+ setColor(color);
+ GLPicture p = getInnerPicture(source, gl);
+ p.draw(dx,dy,cx1,cy1,cx2,cy2);
}
}
+
+ // FIXME ugly
+ public static OpenGL gl = null;
+ public OpenGL() { gl = this; }
public final static int roundToPowerOf2(int n) {
if(((n-1)&n)==0) return n;
for(int x=2;x!=0;x<<=1) if(n < x) return x;
return 0;
}
-
- public Picture createPicture(int[] data, int w, int h) {
- if(rectangularTextures && w <= maxRectTexSize && h <= maxRectTexSize) new RectGLPicture(data,w,h,this);
- if(w <= maxTexSize && h <= maxTexSize) return new SquareGLPicture(data,w,h,this);
- return new MosaicGLPicture(data,w,h,this);
+
+ private static GLPicture getInnerPicture(Picture p, OpenGL gl) {
+ OpenGLPicture oglp = (OpenGLPicture)p;
+ if (!oglp.isLoaded || oglp.realPicture != null) return oglp.realPicture;
+ if (gl.rectangularTextures && p.width <= gl.maxRectTexSize && p.height <= gl.maxRectTexSize)
+ oglp.realPicture = new RectGLPicture(p.data,p.width,p.height,oglp.alphaOnly,gl);
+ else if (p.width <= gl.maxTexSize && p.height <= gl.maxTexSize)
+ oglp.realPicture = new SquareGLPicture(p.data,p.width,p.height,oglp.alphaOnly,gl);
+ else
+ oglp.realPicture = new MosaicGLPicture(p.data,p.width,p.height,oglp.alphaOnly,gl);
+ p.data = null;
+ return oglp.realPicture;
+ }
+
+ public Picture _createPicture(JS r, boolean alphaOnly) { return new OpenGLPicture(r, alphaOnly); }
+
+ public static class OpenGLPicture extends Picture {
+ public OpenGLPicture(JS r, boolean a) { super(r); alphaOnly = a; }
+ boolean alphaOnly;
+ GLPicture realPicture = null;
}
+
+ public Font.Glyph _createGlyph(org.xwt.Font f, char c) { return new OpenGLGlyph(f, c); }
+ public static class OpenGLGlyph extends Font.Glyph {
+ private Picture p = null;
+ public OpenGLGlyph(org.xwt.Font f, char c) { super(f, c); }
+ Picture getPicture() {
+ if (p == null && isLoaded) {
+ p = new OpenGLPicture(null, true);
+ p.data = new int[data.length];
+ for(int i=0; i<data.length; i++) p.data[i] = (data[i] & 0xff) << 24;
+ data = null;
+ p.width = this.width;
+ p.height = this.height;
+ }
+ return p;
+ }
+ }
+
private native void natDeleteTexture(int tex);
public void deleteTexture(final int tex) {
// CHECKME: Is this safe to do from finalize()?
// natDeleteTexture MUST be run from the message queue thread
- Message.Q.add(new Message() { public void perform() {
- natDeleteTexture(tex);
- }});
+ Scheduler.add(new Scheduler.Task() { public void perform() { natDeleteTexture(tex); }});
}
- private static abstract class GLPicture extends Picture {
+ private static abstract class GLPicture {
protected int width;
protected int height;
this.height = h;
}
- public void draw(int x, int y) { draw(x,y,x+width,y+height,0,0,width,height); }
- public abstract void draw(int dx1, int dy1, int dx2, int dy2,int sx1, int sy1, int sx2, int sy2);
+ public abstract void draw(int dx, int dy, int cx1, int cy1, int cx2, int cy2);
protected abstract void finalize();
}
private OpenGL gl;
public int textureName;
- public native void natInit(int[] data);
+ public native void natInit(Object data, boolean alphaOnly);
- public RectGLPicture(int[] data,int w, int h, OpenGL gl) {
+ public RectGLPicture(Object data,int w, int h, boolean alphaOnly, OpenGL gl) {
super(w,h);
this.gl = gl;
- natInit(data);
+ natInit(data,alphaOnly);
}
- public native void draw(int dx1, int dy1, int dx2, int dy2,int sx1, int sy1, int sx2, int sy2);
+ public native void draw(int dx, int dy, int cx1, int cy1, int cx2, int cy2);
protected void finalize() { gl.deleteTexture(textureName); }
}
private OpenGL gl;
public int textureName;
- public native void natInit(int[] data);
+ public native void natInit(Object data, boolean alphaOnly);
- public SquareGLPicture(int[] data,int w, int h, OpenGL gl) {
+ public SquareGLPicture(Object data,int w, int h, boolean alphaOnly, OpenGL gl) {
super(w,h);
this.gl = gl;
if(w > 0x7fffffff || h > 0x7fffffff) throw new Error("insane texture size: " + w + "x" + h);
texHeight = roundToPowerOf2(h);
texWidth = roundToPowerOf2(w);
- natInit(data);
+ natInit(data,alphaOnly);
}
- public native void draw(int dx1, int dy1, int dx2, int dy2,int sx1, int sy1, int sx2, int sy2);
+ public native void draw(int dx, int dy, int cx1, int cy1, int cx2, int cy2);
protected void finalize() { gl.deleteTexture(textureName); }
}
return 1.0f-(float)(w*h)/(float)(w2*h2);
}
+ private static Object subData(Object data, int x, int y, int w, int h, int rowSize) {
+ if(data instanceof byte[]) return subData((byte[])data,x,y,w,h,rowSize);
+ if(data instanceof int[]) return subData((int[])data,x,y,w,h,rowSize);
+ throw new Error("not reached");
+ }
+
private static int[] subData(int[] data, int x, int y, int w, int h, int rowSize) {
int[] sub = new int[w*h];
int row = y;
- try {
for(int i=0;i<h;i++,row++)
for(int j=0;j<w;j++)
sub[i*w+j] = data[row*rowSize+j+x];
- } catch(ArrayIndexOutOfBoundsException e) {
- Log.log(MosaicGLPicture.class,"subData(data("+data.length+"),"+x+","+y+","+w+","+h+","+rowSize);
- throw e;
- }
return sub;
}
- public MosaicGLPicture(int[] data,int w, int h, OpenGL gl) {
+ private static byte[] subData(byte[] data, int x, int y, int w, int h, int rowSize) {
+ byte[] sub = new byte[w*h];
+ int row = y;
+ for(int i=0;i<h;i++,row++)
+ for(int j=0;j<w;j++)
+ sub[i*w+j] = data[row*rowSize+j+x];
+ return sub;
+ }
+
+ public MosaicGLPicture(Object data,int w, int h, boolean alphaOnly, OpenGL gl) {
super(w,h);
psize = gl.maxTexSize;
while(wastedSpace(w,h,psize) > 0.40) psize/=2;
- Log.log(this,"Using psize: " + psize + " for " + w + "x" + h + " image (wasted space: " + wastedSpace(w,h,psize));
+ Log.info(this,"Using psize: " + psize + " for " + w + "x" + h + " image (wasted space: " + wastedSpace(w,h,psize));
int rows = (h+psize-1)/psize;
int cols = (w+psize-1)/psize;
pics = new GLPicture[rows][cols];
for(int i=0;i<rows-1;i++)
for(int j=0;j<cols-1;j++)
- pics[i][j] = new SquareGLPicture(subData(data,j*psize,i*psize,psize,psize,w),psize,psize,gl);
+ pics[i][j] = new SquareGLPicture(subData(data,j*psize,i*psize,psize,psize,w),psize,psize,alphaOnly,gl);
tmp = (rows-1)*psize;
for(int i=0;i<cols-1;i++)
- pics[rows-1][i] = new SquareGLPicture(subData(data,i*psize,tmp,psize,h-tmp,w),psize,h-tmp,gl);
+ pics[rows-1][i] = new SquareGLPicture(subData(data,i*psize,tmp,psize,h-tmp,w),psize,h-tmp,alphaOnly,gl);
tmp2 = (cols-1)*psize;
for(int i=0;i<rows-1;i++)
- pics[i][cols-1] = new SquareGLPicture(subData(data,tmp2,i*psize,w-tmp2,psize,w),w-tmp2,psize,gl);
- pics[rows-1][cols-1] = new SquareGLPicture(subData(data,tmp2,tmp,w-tmp2,h-tmp,w),w-tmp2,h-tmp,gl);
+ pics[i][cols-1] = new SquareGLPicture(subData(data,tmp2,i*psize,w-tmp2,psize,w),w-tmp2,psize,alphaOnly,gl);
+ pics[rows-1][cols-1] = new SquareGLPicture(subData(data,tmp2,tmp,w-tmp2,h-tmp,w),w-tmp2,h-tmp,alphaOnly,gl);
}
protected void finalize() { }
private static final int max(int a, int b) { return a > b ? a : b; }
private static final int min(int a, int b) { return a < b ? a : b; }
- public void draw(int dx1, int dy1, int dx2, int dy2,int sx1, int sy1, int sx2, int sy2) {
- double xscale = (double)(dx2-dx1)/(double)(sx2-sx1);
- double yscale = (double)(dy2-dy1)/(double)(sy2-sy1);
+ public void draw(int dx, int dy, int cx1, int cy1, int cx2, int cy2) {
int totalWidth = width;
int totalHeight = height;
// *{x,y}{1,2} key: d=dest s=src, p=bounds of this picture, i=intersection of s and p, pd = dest of this pic
- //System.out.println("Starting draw..." + sx1 + "," + sy1 + " " + sx2 + "," + sy2 + " to " + dx1 +"," + dy1 + " " + dx2 + "," + dy2);
for(int i=0;i<pics.length;i++) {
for(int j=0;j<pics[i].length;j++) {
- int px1 = j*psize;
- int py1 = i*psize;
- int px2 = min(px1+psize,totalWidth);
- int py2 = min(py1+psize,totalHeight);
- int ix1 = max(px1,sx1);
- int iy1 = max(py1,sy1);
- int ix2 = min(px2,sx2);
- int iy2 = min(py2,sy2);
- if(ix1 >= ix2 || iy1 >= iy2) continue; // no intersection
-
- int pdx1 = dx1 + (int) (xscale*(ix1-sx1));
- int pdy1 = dy1 + (int) (yscale*(iy1-sy1));
- int pdx2 = dx2 - (int) (xscale*(sx2-ix2));
- int pdy2 = dy2 - (int) (yscale*(sy2-iy2));
-
- //System.out.println("" + i + "," + j + " is good... drawing from " + (ix1-px1) + "," + (iy1-py1) + " " + (ix2-px1) + "," + (iy2-py1) + " to " + pdx1 + "," + pdy1 + " to " + pdx2 + "," + pdy2);
-
- pics[i][j].draw(pdx1,pdy1,pdx2,pdy2,ix1-px1,iy1-py1,ix2-px1,iy2-py1);
+ int px1 = j*psize + dx;
+ int py1 = i*psize + dy;
+ pics[i][j].draw(px1, py1, cx1, cy1, cx2, cy2);
}
}
}