def update_ndarray(self, new_array=None):
"""to allow numpy arrays to be patched in to textures without regenerating
new glTextureBuffers i.e. for movie textures"""
if new_array is not None:
self.image = new_array
opengles.glBindTexture(GL_TEXTURE_2D, self._tex)
# set filters according to mipmap and filter request
for t in [GL_TEXTURE_MIN_FILTER, GL_TEXTURE_MAG_FILTER]:
opengles.glTexParameteri(GL_TEXTURE_2D, t, self._get_filter(t))
opengles.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S,
self.m_repeat)
opengles.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T,
self.m_repeat)
iformat = self._get_format_from_array(self.image, self.i_format)
opengles.glTexImage2D(
GL_TEXTURE_2D, 0, iformat, self.ix, self.iy, 0, iformat,
GL_UNSIGNED_BYTE,
self.image.ctypes.data_as(ctypes.POINTER(ctypes.c_ubyte)))
if opengles.glGetError() == GL_OUT_OF_MEMORY:
LOGGER.critical('Out of GPU memory')
#opengles.glEnable(GL_TEXTURE_2D) # invalid in OpenGLES 2
if self.mipmap:
opengles.glGenerateMipmap(GL_TEXTURE_2D)
if self.free_after_load:
self.image = None
self._loaded = False
def video_load_frame(self, frame):
"""
Load frame (numpy array) in texture
"""
# return self.video_texture.update_ndarray(frame, 0)
tex = self.video_texture
opengles.glActiveTexture(GL_TEXTURE0)
opengles.glBindTexture(GL_TEXTURE_2D, tex._tex)
opengles.glTexSubImage2D(
GL_TEXTURE_2D, 0, 0, 0, tex.ix, tex.iy, self.frame_format,
GL_UNSIGNED_BYTE,
frame.ctypes.data_as(ctypes.POINTER(ctypes.c_ubyte)))
opengles.glGenerateMipmap(GL_TEXTURE_2D)
def update_ndarray(self, new_array=None, texture_num=None):
"""to allow numpy arrays to be patched in to textures without regenerating
new glTextureBuffers i.e. for movie textures
*new_array*
ndarray, if supplied this will be the pixel data for the new
Texture2D
*texture_num*
int, if supplied this will make the update effective for a specific
sampler number i.e. as held in the Buffer.textures array. This
will be required where multiple textures are used on some of the
Buffers being drawn in the scene"""
if new_array is not None:
self.image = new_array
if texture_num is not None:
opengles.glActiveTexture(GL_TEXTURE0 + texture_num)
opengles.glBindTexture(GL_TEXTURE_2D, self._tex)
# set filters according to mipmap and filter request
for t in [GL_TEXTURE_MIN_FILTER, GL_TEXTURE_MAG_FILTER]:
opengles.glTexParameteri(GL_TEXTURE_2D, t, self._get_filter(t))
opengles.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S,
self.m_repeat)
opengles.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T,
self.m_repeat)
iformat = self._get_format_from_array(self.image, self.i_format)
opengles.glTexImage2D(
GL_TEXTURE_2D, 0, iformat, self.ix, self.iy, 0, iformat,
GL_UNSIGNED_BYTE,
self.image.ctypes.data_as(ctypes.POINTER(ctypes.c_ubyte)))
if opengles.glGetError() == GL_OUT_OF_MEMORY:
LOGGER.critical('Out of GPU memory in Texture.update_ndarray')
#opengles.glEnable(GL_TEXTURE_2D) # invalid in OpenGLES 2
if self.mipmap:
opengles.glGenerateMipmap(GL_TEXTURE_2D)
if self.free_after_load:
self.image = None
self.file_string = None
self._loaded = False