From 6e14457eac32f838fcdfe9b4b4e26fe7a7d13936 Mon Sep 17 00:00:00 2001
From: Sven Gothel <sgothel@jausoft.com>
Date: Tue, 2 Sep 2008 05:33:27 +0000
Subject: Fix: TextureIO/TGA for ES2 (GL formats/types)

git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/branches/JOGL_2_SANDBOX@1768 232f8b59-042b-4e1e-8c03-345bb8c30851
---
 .../com/sun/opengl/util/texture/TextureData.java   | 19 +++------
 .../util/texture/TextureIO.java.javame_cdc_fp      |  6 ++-
 .../sun/opengl/util/texture/TextureIO.java.javase  |  6 ++-
 .../util/texture/spi/TGAImage.java.javame_cdc_fp   | 45 ++++++++++++++++++----
 .../opengl/util/texture/spi/TGAImage.java.javase   | 45 ++++++++++++++++++----
 5 files changed, 92 insertions(+), 29 deletions(-)

(limited to 'src/classes/com/sun')

diff --git a/src/classes/com/sun/opengl/util/texture/TextureData.java b/src/classes/com/sun/opengl/util/texture/TextureData.java
index 5316ed191..dcaee52f2 100755
--- a/src/classes/com/sun/opengl/util/texture/TextureData.java
+++ b/src/classes/com/sun/opengl/util/texture/TextureData.java
@@ -319,25 +319,18 @@ public class TextureData {
         public void flush();
     }
 
+    public String toString() {
+        return "TextureData["+width+"x"+height+", internFormat "+internalFormat+", pixelFormat "+pixelFormat+", pixelType "+pixelType+", border "+border+", estSize "+estimatedMemorySize+", alignment "+alignment+", rowlen "+rowLength;
+    }
+
     //----------------------------------------------------------------------
     // Internals only below this point
     //
 
-    protected int estimatedMemorySize(Buffer buffer) {
+    protected static int estimatedMemorySize(Buffer buffer) {
         if (buffer == null) {
             return 0;
         }
-        int capacity = buffer.capacity();
-        if (buffer instanceof ByteBuffer) {
-            return capacity;
-        } else if (buffer instanceof IntBuffer) {
-            return capacity * BufferUtil.SIZEOF_INT;
-        } else if (buffer instanceof FloatBuffer) {
-            return capacity * BufferUtil.SIZEOF_FLOAT;
-        } else if (buffer instanceof ShortBuffer) {
-            return capacity * BufferUtil.SIZEOF_SHORT;
-        }
-        throw new RuntimeException("Unexpected buffer type " +
-                                   buffer.getClass().getName());
+        return buffer.capacity() * BufferUtil.sizeOfBufferElem(buffer);
     }
 }
diff --git a/src/classes/com/sun/opengl/util/texture/TextureIO.java.javame_cdc_fp b/src/classes/com/sun/opengl/util/texture/TextureIO.java.javame_cdc_fp
index c6b6271da..f39f1e4c0 100755
--- a/src/classes/com/sun/opengl/util/texture/TextureIO.java.javame_cdc_fp
+++ b/src/classes/com/sun/opengl/util/texture/TextureIO.java.javame_cdc_fp
@@ -1001,7 +1001,11 @@ public class TextureIO {
                     pixelFormat = image.getGLFormat();
                 }
                 if (internalFormat == 0) {
-                    internalFormat = GL.GL_RGBA8;
+                    if(GLProfile.isGL2()) {
+                        internalFormat = GL.GL_RGBA8;
+                    } else {
+                        internalFormat = (image.getBytesPerPixel()==4)?GL.GL_RGBA:GL.GL_RGB;
+                    }
                 }
                 return new TextureData(internalFormat,
                                        image.getWidth(),
diff --git a/src/classes/com/sun/opengl/util/texture/TextureIO.java.javase b/src/classes/com/sun/opengl/util/texture/TextureIO.java.javase
index d9ae5b6c4..ebb59fa6f 100755
--- a/src/classes/com/sun/opengl/util/texture/TextureIO.java.javase
+++ b/src/classes/com/sun/opengl/util/texture/TextureIO.java.javase
@@ -1003,7 +1003,11 @@ public class TextureIO {
                     pixelFormat = image.getGLFormat();
                 }
                 if (internalFormat == 0) {
-                    internalFormat = GL.GL_RGBA8;
+                    if(GLProfile.isGL2()) {
+                        internalFormat = GL.GL_RGBA8;
+                    } else {
+                        internalFormat = (image.getBytesPerPixel()==4)?GL.GL_RGBA:GL.GL_RGB;
+                    }
                 }
                 return new TextureData(internalFormat,
                                        image.getWidth(),
diff --git a/src/classes/com/sun/opengl/util/texture/spi/TGAImage.java.javame_cdc_fp b/src/classes/com/sun/opengl/util/texture/spi/TGAImage.java.javame_cdc_fp
index be4ac36d2..6214d43b2 100755
--- a/src/classes/com/sun/opengl/util/texture/spi/TGAImage.java.javame_cdc_fp
+++ b/src/classes/com/sun/opengl/util/texture/spi/TGAImage.java.javame_cdc_fp
@@ -73,6 +73,7 @@ import com.sun.opengl.util.texture.*;
 public class TGAImage {
     private Header header;
     private int    format;
+    private int    bpp;
     private ByteBuffer data;
 
     private TGAImage(Header header) {
@@ -293,13 +294,6 @@ public class TGAImage {
         byte[] rawBuf = new byte[rawWidth];
         byte[] tmpData = new byte[rawWidth * header.height()];
 
-        if (header.pixelDepth() == 24) {
-            format = GL2.GL_BGR;
-        } else {
-            assert header.pixelDepth() == 32;
-            format = GL2.GL_BGRA;
-        }
-
         for (i = 0; i < header.height(); ++i) {
             dIn.readFully(rawBuf, 0, rawWidth);
 
@@ -311,9 +305,43 @@ public class TGAImage {
             System.arraycopy(rawBuf, 0, tmpData, y * rawWidth, rawBuf.length);
         }
 
+        if (header.pixelDepth() == 24) {
+            bpp=3;
+            if(GLProfile.isGL2()) {
+                format = GL2.GL_BGR;
+            } else {
+                format = GL.GL_RGB;
+                swapBGR(tmpData, rawWidth, header.height(), bpp);
+            }
+        } else {
+            assert header.pixelDepth() == 32;
+            bpp=4;
+
+            if(GLProfile.isGL2()) {
+                format = GL2.GL_BGRA;
+            } else {
+                format = GL.GL_RGBA;
+                swapBGR(tmpData, rawWidth, header.height(), bpp);
+            }
+        }
+
         data = ByteBuffer.wrap(tmpData);
     }
 
+    private static void swapBGR(byte[] data, int bWidth, int height, int bpp) {
+        byte r,b;
+        int k;
+        for(int i=0; i<height; ++i) {
+            for(int j=0; j<bWidth; j+=bpp) {
+                k=i*bWidth+j;
+                b=data[k+0];
+                r=data[k+2];
+                data[k+0]=r;
+                data[k+2]=b;
+            }
+        }
+    }
+
     /** Returns the width of the image. */
     public int getWidth()    { return header.width(); }
 
@@ -323,6 +351,9 @@ public class TGAImage {
     /** Returns the OpenGL format for this texture; e.g. GL.GL_BGR or GL.GL_BGRA. */
     public int getGLFormat() { return format; }
 
+    /** Returns the bytes per pixel */
+    public int getBytesPerPixel() { return bpp; }
+
     /** Returns the raw data for this texture in the correct
         (bottom-to-top) order for calls to glTexImage2D. */
     public ByteBuffer getData()  { return data; }
diff --git a/src/classes/com/sun/opengl/util/texture/spi/TGAImage.java.javase b/src/classes/com/sun/opengl/util/texture/spi/TGAImage.java.javase
index 2738536f0..0ba47d500 100755
--- a/src/classes/com/sun/opengl/util/texture/spi/TGAImage.java.javase
+++ b/src/classes/com/sun/opengl/util/texture/spi/TGAImage.java.javase
@@ -74,6 +74,7 @@ import com.sun.opengl.util.texture.*;
 public class TGAImage {
     private Header header;
     private int    format;
+    private int    bpp;
     private ByteBuffer data;
 
     private TGAImage(Header header) {
@@ -295,13 +296,6 @@ public class TGAImage {
         byte[] rawBuf = new byte[rawWidth];
         byte[] tmpData = new byte[rawWidth * header.height()];
 
-        if (header.pixelDepth() == 24) {
-            format = GL2.GL_BGR;
-        } else {
-            assert header.pixelDepth() == 32;
-            format = GL2.GL_BGRA;
-        }
-
         for (i = 0; i < header.height(); ++i) {
             dIn.readFully(rawBuf, 0, rawWidth);
 
@@ -313,9 +307,43 @@ public class TGAImage {
             System.arraycopy(rawBuf, 0, tmpData, y * rawWidth, rawBuf.length);
         }
 
+        if (header.pixelDepth() == 24) {
+            bpp=3;
+            if(GLProfile.isGL2()) {
+                format = GL2.GL_BGR;
+            } else {
+                format = GL.GL_RGB;
+                swapBGR(tmpData, rawWidth, header.height(), bpp);
+            }
+        } else {
+            assert header.pixelDepth() == 32;
+            bpp=4;
+
+            if(GLProfile.isGL2()) {
+                format = GL2.GL_BGRA;
+            } else {
+                format = GL.GL_RGBA;
+                swapBGR(tmpData, rawWidth, header.height(), bpp);
+            }
+        }
+
         data = ByteBuffer.wrap(tmpData);
     }
 
+    private static void swapBGR(byte[] data, int bWidth, int height, int bpp) {
+        byte r,b;
+        int k;
+        for(int i=0; i<height; ++i) {
+            for(int j=0; j<bWidth; j+=bpp) {
+                k=i*bWidth+j;
+                b=data[k+0];
+                r=data[k+2];
+                data[k+0]=r;
+                data[k+2]=b;
+            }
+        }
+    }
+
     /** Returns the width of the image. */
     public int getWidth()    { return header.width(); }
 
@@ -325,6 +353,9 @@ public class TGAImage {
     /** Returns the OpenGL format for this texture; e.g. GL.GL_BGR or GL.GL_BGRA. */
     public int getGLFormat() { return format; }
 
+    /** Returns the bytes per pixel */
+    public int getBytesPerPixel() { return bpp; }
+
     /** Returns the raw data for this texture in the correct
         (bottom-to-top) order for calls to glTexImage2D. */
     public ByteBuffer getData()  { return data; }
-- 
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