static void init(int num) {
pool = null;
TextureObject to;
int[] textureIds = new int[num];
GLES20.glGenTextures(num, textureIds, 0);
for (int i = 1; i < num; i++) {
initTexture(textureIds[i]);
to = new TextureObject(textureIds[i]);
to.next = pool;
pool = to;
}
mBitmaps = new ArrayList<Bitmap>(10);
for (int i = 0; i < 4; i++) {
Bitmap bitmap = Bitmap.createBitmap(TEXTURE_WIDTH, TEXTURE_HEIGHT, Bitmap.Config.ARGB_8888);
mBitmaps.add(bitmap);
}
mBitmapFormat = GLUtils.getInternalFormat(mBitmaps.get(0));
mBitmapType = GLUtils.getType(mBitmaps.get(0));
}
public static void uploadTexture(
TextureObject to, Bitmap bitmap, int format, int type, int w, int h) {
if (to == null) {
Log.d("...", "no texture!");
return;
}
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, to.id);
if (to.width == w && to.height == h)
GLUtils.texSubImage2D(GLES20.GL_TEXTURE_2D, 0, 0, 0, bitmap, format, type);
else {
GLUtils.texImage2D(GLES20.GL_TEXTURE_2D, 0, format, bitmap, type, 0);
to.width = w;
to.height = h;
}
}
public static synchronized void uploadTexture(TextureObject to) {
if (TextureRenderer.debug) Log.d("...", "upload texture " + to.id);
if (to.id < 0) {
int[] textureIds = new int[1];
GLES20.glGenTextures(1, textureIds, 0);
to.id = textureIds[0];
initTexture(to.id);
if (TextureRenderer.debug) Log.d("...", "new texture " + to.id);
}
uploadTexture(to, to.bitmap, mBitmapFormat, mBitmapType, TEXTURE_WIDTH, TEXTURE_HEIGHT);
mBitmaps.add(to.bitmap);
to.bitmap = null;
}
public static synchronized void release(TextureObject to) {
while (to != null) {
if (TextureRenderer.debug) Log.d("...", "release texture " + to.id);
TextureObject next = to.next;
if (to.bitmap != null) {
mBitmaps.add(to.bitmap);
to.bitmap = null;
}
to.next = pool;
pool = to;
to = next;
}
}
public static synchronized TextureObject get() {
TextureObject to;
if (pool == null) {
objectCount += 1;
if (TextureRenderer.debug) Log.d("...", "textures: " + objectCount);
pool = new TextureObject(-1);
}
to = pool;
pool = pool.next;
to.next = null;
to.bitmap = getBitmap();
to.bitmap.eraseColor(Color.TRANSPARENT);
if (TextureRenderer.debug) Log.d("...", "get texture " + to.id + " " + to.bitmap);
return to;
}