X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=src%2Forg%2Fxwt%2Fplat%2FOpenGL.java;h=3b8d68965938d65ea47d55d44693e7453b5c9d70;hb=b213eae7072297f9121511fa671062f9b07fcc59;hp=d730e0e938cbb0879d70283955324512abc41754;hpb=c6069948906645d974f46bdb96617a9a6a504636;p=org.ibex.core.git

diff --git a/src/org/xwt/plat/OpenGL.java b/src/org/xwt/plat/OpenGL.java
index d730e0e..3b8d689 100644
--- a/src/org/xwt/plat/OpenGL.java
+++ b/src/org/xwt/plat/OpenGL.java
@@ -1,8 +1,9 @@
-// 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 {
@@ -11,6 +12,7 @@ abstract class OpenGL {
     boolean hasRectangularTextures() { return rectangularTextures; }
     int maxTexSize;
     int maxRectTexSize;
+    float glVersion;
     String version;
     String renderer;
     String vendor;
@@ -26,24 +28,23 @@ abstract class OpenGL {
             return 1.1f; // just a guess
         }
     }
+    
     // This MUST be called after OpenGL is instansiated (and activateSharedContext is functioning)
     public void init() throws NotSupportedException {
         natInit();
-        float v = parseVersion(version);
-        // FIXME: 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();
@@ -52,7 +53,7 @@ abstract class OpenGL {
         public NotSupportedException(String s) { super(s); }
     }
 
-    public static abstract class GLPixelBuffer extends DoubleBuffer {
+    public static abstract class GLPixelBuffer extends PixelBuffer {
         protected int width;
         protected int height;
         public int getWidth() { return width; }
@@ -74,48 +75,84 @@ abstract class OpenGL {
         
         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) {
+        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) {
             activateContext();
-            GLPicture p = (GLPicture) source;
-            p.draw(dx1,dy1,dx2,dy2,sx1,sy1,sx2,sy2);
+            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(w*h != data.length) throw new Error("w*h != data.length");
-        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
-        MessageQueue.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;
         
@@ -127,8 +164,7 @@ abstract class OpenGL {
             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();
     }
     
@@ -136,15 +172,15 @@ abstract class OpenGL {
         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); }
     }
     
@@ -154,18 +190,18 @@ abstract class OpenGL {
         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); }
     }
     
@@ -181,25 +217,35 @@ abstract class OpenGL {
             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;
@@ -208,47 +254,29 @@ abstract class OpenGL {
             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);
                 }
             }
         }