Function test_gl_quad_blit

tests/headless_opengl_tests.py:113–140

()

def test_gl_quad_blit():
    gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)

    quad = Quad(H=HEIGHT, W=WIDTH)
    data = np.random.randint(0, 255, (HEIGHT, WIDTH, 4), dtype=np.uint8)

    data[10:20, 10:20] = [255, 0, 0, 255]
    data[20:30, 10:20] = [0, 255, 0, 255]
    data[10:20, 20:30] = [0, 0, 255, 255]
    data[20:30, 20:30] = [255, 255, 255, 255]
    data = data[::-1]  # flip 0
    data = np.asarray(data, order='C')

    quad.upload_to_texture(data)  # upload the pointer
    quad.blit()  # no camera to render

    # Read result
    img_buf = gl.glReadPixels(0, 0, WIDTH, HEIGHT, gl.GL_RGBA, gl.GL_UNSIGNED_BYTE)
    img = np.frombuffer(img_buf, np.uint8).reshape(HEIGHT, WIDTH, 4)[::-1]

    img_path = 'test_gl_quad_blit.png'
    save_image(img_path, img)
    log(f'Quad blit image saved at: {blue(img_path)}')

    assert img[10, 10, :3].argmax() == 0  # red corner
    assert img[20, 10, :3].argmax() == 1  # green corner
    assert img[10, 20, :3].argmax() == 2  # blue corner
    assert all(img[20, 20] == 255)  # white corner


def test_gl_quad_draw():