X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=src%2Forg%2Fxwt%2Fplat%2FOpenGL.java;h=68ed8c14c486bb8cf1e80a346b0b53e87ff3c674;hb=368ee160342aa0e96e2a678129f9e309284c6107;hp=510693a2ea7f9da0844fd433dd396673445481d6;hpb=74872f23809fded481595225bd59115f521ca171;p=org.ibex.core.git

diff --git a/src/org/xwt/plat/OpenGL.java b/src/org/xwt/plat/OpenGL.java
index 510693a..68ed8c1 100644
--- a/src/org/xwt/plat/OpenGL.java
+++ b/src/org/xwt/plat/OpenGL.java
@@ -11,6 +11,7 @@ abstract class OpenGL {
     boolean hasRectangularTextures() { return rectangularTextures; }
     int maxTexSize;
     int maxRectTexSize;
+    float glVersion;
     String version;
     String renderer;
     String vendor;
@@ -26,13 +27,12 @@ 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);
-        // 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;
@@ -79,16 +79,19 @@ abstract class OpenGL {
         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 drawPictureAlphaOnly(Picture source, int dx, int dy, int cx1, int cy1, int cx2, int cy2, int rgb) {
+            drawPicture_(source, 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();
+            setColor(color);
             GLPicture p = (GLPicture) source;
-            p.draw(dx1,dy1,dx2,dy2,sx1,sy1,sx2,sy2);
+            p.draw(dx,dy,cx1,cy1,cx2,cy2);
         }
     }
     
@@ -98,10 +101,19 @@ abstract class OpenGL {
         return 0;
     }
         
+    private Picture _createPicture(Object data, int w, int h, boolean alphaOnly) {
+        if(rectangularTextures && w <= maxRectTexSize && h <= maxRectTexSize) new RectGLPicture(data,w,h,alphaOnly,this);
+        if(w <= maxTexSize && h <= maxTexSize) return new SquareGLPicture(data,w,h,alphaOnly,this);
+        return new MosaicGLPicture(data,w,h,alphaOnly,this);
+    }
+    
     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);
+        if(w*h > data.length) throw new Error("should never happen");
+        return _createPicture(data,w,h,false);
+    }
+    public Picture createAlphaOnlyPicture(byte[] data, int w, int h) {
+        if(w*h > data.length) throw new Error("should never happen");
+        return _createPicture(data,w,h,true);
     }
     
     private native void natDeleteTexture(int tex);
@@ -125,8 +137,7 @@ 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();
     }
     
@@ -134,15 +145,15 @@ 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); }
     }
     
@@ -152,18 +163,18 @@ 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); }
     }
     
@@ -179,21 +190,31 @@ 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;
@@ -206,47 +227,36 @@ 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 ix1 = max(px1,cx1);
+                    int iy1 = max(py1,cy1);
+                    int ix2 = min(px2,cx2);
+                    int iy2 = min(py2,cy2);
+                    if (ix1 >= ix2 || iy1 >= iy2) continue; // no intersection
+                    pics[i][j].draw(px1, py1, ix1, iy1, ix2, iy2);
                 }
             }
         }