private void load() {
GL10 gl = glGraphics.getGL();
int[] textureIds = new int[1];
gl.glGenTextures(1, textureIds, 0);
textureId = textureIds[0];
InputStream in = null;
try {
in = fileIO.readAsset(fileName);
Bitmap bitmap = BitmapFactory.decodeStream(in);
if (mipmapped) {
createMipmaps(gl, bitmap);
} else {
gl.glBindTexture(GL10.GL_TEXTURE_2D, textureId);
GLUtils.texImage2D(GL10.GL_TEXTURE_2D, 0, bitmap, 0);
setFilters(GL10.GL_NEAREST, GL10.GL_NEAREST);
gl.glBindTexture(GL10.GL_TEXTURE_2D, 0);
width = bitmap.getWidth();
height = bitmap.getHeight();
bitmap.recycle();
}
} catch (IOException e) {
throw new RuntimeException("Couldn't load texture '" + fileName + "'", e);
} finally {
if (in != null)
try {
in.close();
} catch (IOException e) {
}
}
}
private void createMipmaps(GL10 gl, Bitmap bitmap) {
gl.glBindTexture(GL10.GL_TEXTURE_2D, textureId);
width = bitmap.getWidth();
height = bitmap.getHeight();
setFilters(GL10.GL_LINEAR_MIPMAP_NEAREST, GL10.GL_LINEAR);
int level = 0;
int newWidth = width;
int newHeight = height;
while (true) {
GLUtils.texImage2D(GL10.GL_TEXTURE_2D, level, bitmap, 0);
newWidth = newWidth / 2;
newHeight = newHeight / 2;
if (newWidth <= 0) break;
Bitmap newBitmap = Bitmap.createScaledBitmap(bitmap, newWidth, newHeight, true);
bitmap.recycle();
bitmap = newBitmap;
level++;
}
gl.glBindTexture(GL10.GL_TEXTURE_2D, 0);
bitmap.recycle();
}
public void reload() {
load();
bind();
setFilters(minFilter, magFilter);
glGraphics.getGL().glBindTexture(GL10.GL_TEXTURE_2D, 0);
}