private final int bindTexture(final TextureDescriptor textureDesc, final boolean rebind) {
final int idx, result;
final GLTexture texture = textureDesc.texture;
reused = false;
switch (method) {
case ROUNDROBIN:
result = offset + (idx = bindTextureRoundRobin(texture));
break;
case WEIGHTED:
result = offset + (idx = bindTextureWeighted(texture));
break;
default:
return -1;
}
if (reused) {
reuseCount++;
if (rebind) texture.bind(result);
else Gdx.gl.glActiveTexture(GL20.GL_TEXTURE0 + result);
} else bindCount++;
texture.unsafeSetWrap(textureDesc.uWrap, textureDesc.vWrap);
texture.unsafeSetFilter(textureDesc.minFilter, textureDesc.magFilter);
return result;
}
private final int bindTextureRoundRobin(final GLTexture texture) {
for (int i = 0; i < count; i++) {
final int idx = (currentTexture + i) % count;
if (textures[idx] == texture) {
reused = true;
return idx;
}
}
currentTexture = (currentTexture + 1) % count;
textures[currentTexture] = texture;
texture.bind(offset + currentTexture);
return currentTexture;
}
private final int bindTextureWeighted(final GLTexture texture) {
int result = -1;
int weight = weights[0];
int windex = 0;
for (int i = 0; i < count; i++) {
if (textures[i] == texture) {
result = i;
weights[i] += reuseWeight;
} else if (weights[i] < 0 || --weights[i] < weight) {
weight = weights[i];
windex = i;
}
}
if (result < 0) {
textures[windex] = texture;
weights[windex] = 100;
texture.bind(offset + (result = windex));
} else reused = true;
return result;
}