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| public void create()
{
GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 1);
IntBuffer scratch = BufferUtils.createIntBuffer(1);
GL11.glGenTextures(scratch);
int error = GL11.glGetError();
if( error != GL11.GL_NO_ERROR)
{
System.out.println("Texture.create : error OpenGL ("+error+")");
}
handle = scratch.get(0);
System.out.println("Creating cube map : "+handle);
}
public void bind()
{
GL11.glBindTexture(GL13.GL_TEXTURE_CUBE_MAP, handle);
lastBind = handle;
System.out.println("Binding cube map : "+lastBind);
}
public void setImages(BufferedImage positiveX,BufferedImage negativeX,
BufferedImage positiveY,BufferedImage negativeY,
BufferedImage positiveZ,BufferedImage negativeZ)
{
bind();
GL11.glTexEnvf(GL11.GL_TEXTURE_ENV, GL11.GL_TEXTURE_ENV_MODE, GL11.GL_REPLACE);
setImage(GL13.GL_TEXTURE_CUBE_MAP_POSITIVE_X,positiveX);
setImage(GL13.GL_TEXTURE_CUBE_MAP_NEGATIVE_X,negativeX);
setImage(GL13.GL_TEXTURE_CUBE_MAP_POSITIVE_Y,positiveY);
setImage(GL13.GL_TEXTURE_CUBE_MAP_NEGATIVE_Y,negativeY);
setImage(GL13.GL_TEXTURE_CUBE_MAP_POSITIVE_Z,positiveZ);
setImage(GL13.GL_TEXTURE_CUBE_MAP_NEGATIVE_Z,negativeZ);
}
public void setImage(int place, int width, int height, int type, IntBuffer imageData)
{
System.out.println(lastBind+"Setting image to "+place+" (type :"+type+")");
GL11.glTexImage2D(place, 0, GL11.GL_RGBA, width, height,
0, type, GL11.GL_UNSIGNED_BYTE, imageData);
int error = GL11.glGetError();
if( error != GL11.GL_NO_ERROR)
{
System.out.println("Texture.setImage : error OpenGL ("+error+")");
}
}
public void setImage(int place,BufferedImage img)
{
if(img.getTransparency() == Transparency.OPAQUE)
{
if ((img.getType() == BufferedImage.TYPE_BYTE_BINARY)||(img.getType() == BufferedImage.TYPE_BYTE_INDEXED))
{
BufferedImage img2 = new BufferedImage(img.getWidth(),img.getHeight(),BufferedImage.TYPE_3BYTE_BGR);
Graphics g = img2.getGraphics();
g.drawImage(img, 0, 0, null);
g.dispose();
setImage(place,img2);
}
else
{
ByteBuffer imageData = ByteBuffer.allocateDirect(3 * img.getWidth() * img.getHeight());
byte data[] = (byte[]) img.getRaster().getDataElements(0, 0, img.getWidth(), img.getHeight(), null);
imageData.put(data);
imageData.flip();
setImage(place,img.getWidth(),img.getHeight(),RGB,imageData);
}
}
else
{
if ((img.getType() == BufferedImage.TYPE_BYTE_BINARY)||(img.getType() == BufferedImage.TYPE_BYTE_INDEXED))
{
BufferedImage img2 = new BufferedImage(img.getWidth(),img.getHeight(),BufferedImage.TYPE_INT_ARGB);
Graphics g = img2.getGraphics();
g.drawImage(img, 0, 0, null);
g.dispose();
setImage(place,img2);
}
else if (img.getType() == BufferedImage.TYPE_INT_ARGB )
{
IntBuffer imageData = Util.IntBuffer(img.getWidth() * img.getHeight());
int data[] = (int[]) img.getRaster().getDataElements(0, 0, img.getWidth(), img.getHeight(), null);
imageData.put(data);
imageData.flip();
setImage(place,img.getWidth(),img.getHeight(),RGBA,imageData);
}
else
{
ByteBuffer imageData = ByteBuffer.allocateDirect(4 * img.getWidth() * img.getHeight());
byte data[] = (byte[]) img.getRaster().getDataElements(0, 0, img.getWidth(), img.getHeight(), null);
imageData.put(data);
imageData.flip();
setImage(place,img.getWidth(),img.getHeight(),RGBA,imageData);
}
}
} |
