public static boolean isValidTexture(Texture t) {
return t != null && !t.isDestroyed();
}
public static Texture createTexture(Bitmap bitmap, FlipRenderer renderer, GL10 gl) {
Texture t = new Texture();
t.renderer = renderer;
int potW = Integer.highestOneBit(bitmap.getWidth() - 1) << 1;
int potH = Integer.highestOneBit(bitmap.getHeight() - 1) << 1;
t.contentWidth = bitmap.getWidth();
t.contentHeight = bitmap.getHeight();
t.width = potW;
t.height = potH;
gl.glGenTextures(1, t.id, 0);
gl.glBindTexture(GL10.GL_TEXTURE_2D, t.id[0]);
gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MIN_FILTER, GL10.GL_LINEAR);
gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MAG_FILTER, GL10.GL_LINEAR);
gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_S, GL10.GL_CLAMP_TO_EDGE);
gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_T, GL10.GL_CLAMP_TO_EDGE);
switch (bitmap.getConfig()) {
case ARGB_8888:
gl.glTexImage2D(
GL10.GL_TEXTURE_2D,
0,
GL10.GL_RGBA,
potW,
potH,
0,
GL10.GL_RGBA,
GL10.GL_UNSIGNED_BYTE,
null);
GLUtils.texSubImage2D(GL10.GL_TEXTURE_2D, 0, 0, 0, bitmap);
break;
case ARGB_4444:
gl.glTexImage2D(
GL10.GL_TEXTURE_2D,
0,
GL10.GL_RGBA,
potW,
potH,
0,
GL10.GL_RGBA,
GL10.GL_UNSIGNED_SHORT_4_4_4_4,
null);
GLUtils.texSubImage2D(GL10.GL_TEXTURE_2D, 0, 0, 0, bitmap);
break;
case RGB_565:
gl.glTexImage2D(
GL10.GL_TEXTURE_2D,
0,
GL10.GL_RGB,
potW,
potH,
0,
GL10.GL_RGB,
GL10.GL_UNSIGNED_SHORT_5_6_5,
null);
GLUtils.texSubImage2D(GL10.GL_TEXTURE_2D, 0, 0, 0, bitmap);
break;
case ALPHA_8:
default:
throw new RuntimeException();
}
return t;
}