def result(self):
if self._counter_bits <= 32:
_result = _gl.GLuint()
_gl.glGetQueryObjectuiv(self._id, _gl.GL_QUERY_RESULT_AVAILABLE, _gl.pointer(_result))
else:
_result = _gl.GLuint64()
_gl.glGetQueryObjectui64v(self._id, _gl.GL_QUERY_RESULT_AVAILABLE, _gl.pointer(_result))
return _result.value
def _get_active_X(self, getter, location_getter, max_length, index):
_size = _gl.GLint()
_type = _gl.GLenum()
_name = _gl.create_string_buffer(max_length)
with self._context:
getter(self._id, index, max_length, None, _gl.pointer(_size), _gl.pointer(_type), _name)
location = location_getter(self._id, _name)
return location, _size.value, ShaderDatatype._from_gl(_type.value), _name.value.decode("ascii")
def result(self):
if self._counter_bits <= 32:
_result = _gl.GLuint()
_gl.glGetQueryObjectuiv(self._id, _gl.GL_QUERY_RESULT_AVAILABLE,
_gl.pointer(_result))
else:
_result = _gl.GLuint64()
_gl.glGetQueryObjectui64v(self._id, _gl.GL_QUERY_RESULT_AVAILABLE,
_gl.pointer(_result))
return _result.value
def _get_active_X(self, getter, location_getter, max_length, index):
_size = _gl.GLint()
_type = _gl.GLenum()
_name = _gl.create_string_buffer(max_length)
with self._context:
getter(self._id, index, max_length, None, _gl.pointer(_size),
_gl.pointer(_type), _name)
location = location_getter(self._id, _name)
return location, _size.value, ShaderDatatype._from_gl(
_type.value), _name.value.decode("ascii")
def get_shape(self, level=0):
"""Returns the current texture data size at given mipmap level."""
with self:
colors = gl_iformat_to_dtype[self._iformat][1]
_width = _gl.GLint()
_gl.glGetTexLevelParameteriv(self._target, level, _gl.GL_TEXTURE_WIDTH, _gl.pointer(_width))
if self._ndim == 2:
return (_width.value, colors)
_height = _gl.GLint()
_gl.glGetTexLevelParameteriv(self._target, level, _gl.GL_TEXTURE_HEIGHT, _gl.pointer(_height))
if self._ndim == 3:
return (_height.value, _width.value, colors)
_depth = _gl.GLint()
_gl.glGetTexLevelParameteriv(self._target, level, _gl.GL_TEXTURE_DEPTH, _gl.pointer(_depth))
if self._ndim == 4:
return (_depth.value, _height.value, _width.value, colors)
def _log(self):
with self._context:
_info_log_length = _gl.GLint()
_gl.glGetShaderiv(self._id, _gl.GL_INFO_LOG_LENGTH, _gl.pointer(_info_log_length))
_info_log = _gl.create_string_buffer(_info_log_length.value)
_gl.glGetShaderInfoLog(self._id, _info_log_length, _gl.POINTER(_gl.GLint)(), _info_log)
return _info_log.value
def source(self):
with self._context:
_shader_source_length = _gl.GLint()
_gl.glGetShaderiv(self._id, _gl.GL_SHADER_SOURCE_LENGTH, _gl.pointer(_shader_source_length))
_source = _gl.create_string_buffer(_shader_source_length.value)
_gl.glGetShaderSource(self._id, _shader_source_length, _gl.POINTER(_gl.GLint)(), _source)
return _source.value
def __init__(self, context=None):
"""Create a new C{ManagedObject} using L{_generate_id}.
@param context: The parent context.
@type context: L{Context}
"""
if any(x is NotImplemented
for x in (self._generate_id, self._delete_id)):
raise TypeError("%s is abstract" % self.__class__.__name__)
super(ManagedObject, self).__init__(context)
with self._context:
if hasattr(self._generate_id, "argtypes") and len(
self._generate_id.argtypes) == 1:
self._id = self._generate_id(self._type)
elif hasattr(self._generate_id, "argtypes") and len(
self._generate_id.argtypes) == 2:
_id = _gl.GLuint()
self._generate_id(1, _gl.pointer(_id))
self._id = _id.value
else:
self._id = self._generate_id()
if self._id == 0:
raise RuntimeError("could not create %s" % self.__class__.__name__)
if self._db is not NotImplemented:
getattr(self._context, self._db)._objects[self._id] = self
def __get__(self, obj, cls=None):
if self._count_attr is None:
with obj:
return _gl.string_at(_gl.glGetString(self._arg))
else:
with obj:
_n = _gl.GLint()
_gl.glGetIntegerv(self._count_attr, _gl.pointer(_n))
return [_gl.string_at(_gl.glGetStringi(self._arg, i)) for i in range(_n.value)]
def source(self):
with self._context:
_shader_source_length = _gl.GLint()
_gl.glGetShaderiv(self._id, _gl.GL_SHADER_SOURCE_LENGTH,
_gl.pointer(_shader_source_length))
_source = _gl.create_string_buffer(_shader_source_length.value)
_gl.glGetShaderSource(self._id, _shader_source_length,
_gl.POINTER(_gl.GLint)(), _source)
return _source.value
def _log(self):
with self._context:
_info_log_length = _gl.GLint()
_gl.glGetShaderiv(self._id, _gl.GL_INFO_LOG_LENGTH,
_gl.pointer(_info_log_length))
_info_log = _gl.create_string_buffer(_info_log_length.value)
_gl.glGetShaderInfoLog(self._id, _info_log_length,
_gl.POINTER(_gl.GLint)(), _info_log)
return _info_log.value
def compile(self):
with self._context:
_gl.glCompileShader(self._id)
_compile_status = _gl.GLint()
_gl.glGetShaderiv(self._id, _gl.GL_COMPILE_STATUS, _gl.pointer(_compile_status))
if _compile_status.value != _gl.GL_TRUE:
raise ShaderCompileError(self._log)
return self._log or None
def compile(self):
with self._context:
_gl.glCompileShader(self._id)
_compile_status = _gl.GLint()
_gl.glGetShaderiv(self._id, _gl.GL_COMPILE_STATUS,
_gl.pointer(_compile_status))
if _compile_status.value != _gl.GL_TRUE:
raise ShaderCompileError(self._log)
return self._log or None
def initialize(argv=None):
"""Initialize GLUT. Called automatically on import."""
if argv is None:
import sys
argv = sys.argv
_argc = _gl.c_int(len(argv))
_argv = (_gl.c_char_p * _argc.value)()
if argv is not None:
for i, a in enumerate(argv):
_argv[i] = a.encode("ascii") if isinstance(a, str) else a
_gl.glutInit(_gl.pointer(_argc), _argv)
argv[:] = [_argv[i] for i in range(_argc.value)]
def initialize(argv=None):
"""Initialize GLUT. Called automatically on import."""
if argv is None:
import sys
argv = sys.argv
_argc = _gl.c_int(len(argv))
_argv = (_gl.c_char_p * _argc.value)()
if argv is not None:
for i, a in enumerate(argv):
_argv[i] = a.encode("ascii") if isinstance(a, str) else a
_gl.glutInit(_gl.pointer(_argc), _argv)
argv[:] = [_argv[i] for i in range(_argc.value)]
def __del__(self):
"""Delete the OpenGL object using L{_delete_id}.
Any errors will be ignored because the OpenGL module may already have
been garbage collected when the interpreter exits.
"""
try:
if self._id is not None:
with self._context:
if hasattr(self._delete_id, "argtypes") and len(
self._delete_id.argtypes) == 2:
self._delete_id(1, _gl.pointer(_gl.GLuint(self._id)))
else:
self._delete_id(self._id)
self._id = None
except:
pass
def _counter_bits(self):
_counter_bits = _gl.GLint()
_gl.glGetQueryiv(self._target, _gl.GL_QUERY_COUNTER_BITS, _gl.pointer(_counter_bits))
return _counter_bits.value
def swizzle_a(self):
_swizzle_a = _gl.GLenum()
with self:
_gl.glGetTexParameterIuiv(self._target, _gl.GL_TEXTURE_SWIZZLE_A, _gl.pointer(_swizzle_a))
return self.swizzles[_swizzle_a.value]
def wrap_r(self):
_wrap_r = _gl.GLenum()
with self:
_gl.glGetTexParameterIuiv(self._target, _gl.GL_TEXTURE_WRAP_R, _gl.pointer(_wrap_r))
return self.wrapmodes[_wrap_r.value]
def compare_mode(self):
_compare_mode = _gl.GLenum()
with self:
_gl.glGetTexParameterIuiv(self._target, _gl.GL_TEXTURE_COMPARE_MODE, _gl.pointer(_compare_mode))
return self.compare_modes[_compare_mode.value]
def max_lod(self, max_lod):
_gl.glSamplerParameteriv(self._id, _gl.GL_TEXTURE_MAX_LOD, _gl.pointer(_gl.GLint(max_lod)))
def compare_func(self):
_compare_func = _gl.GLenum()
with self:
_gl.glGetTexParameterIuiv(self._target, _gl.GL_TEXTURE_COMPARE_FUNC, _gl.pointer(_compare_func))
return self.compare_funcs[_compare_func.value]
def compare_func(self, compare_func):
_compare_func = _gl.GLenum(self.compare_funcs(compare_func)._value)
with self:
_gl.glTexParameterIuiv(self._target, _gl.GL_TEXTURE_COMPARE_FUNC, _gl.pointer(_compare_func))
def base_level(self, base_level):
with self:
_gl.glTexParameterIiv(self._target, _gl.GL_TEXTURE_BASE_LEVEL, _gl.pointer(_gl.GLint(base_level)))
def base_level(self):
_base_level = _gl.GLint()
with self:
_gl.glGetTexParameterIiv(self._target, _gl.GL_TEXTURE_BASE_LEVEL, _gl.pointer(_base_level))
return _base_level.value
def _iformat(self):
_iformat = _gl.GLint()
with self:
_gl.glGetTexLevelParameteriv(self._target, 0, _gl.GL_TEXTURE_INTERNAL_FORMAT, _gl.pointer(_iformat))
return _iformat.value
def max_level(self):
_max_level = _gl.GLint()
with self:
_gl.glGetTexParameterIiv(self._target, _gl.GL_TEXTURE_MAX_LEVEL, _gl.pointer(_max_level))
return _max_level.value
def wrap_r(self):
_wrap_r = _gl.GLint()
_gl.glGetSamplerParameteriv(self._id, _gl.GL_TEXTURE_WRAP_R, _gl.pointer(_wrap_r))
return self.wrapmodes[_wrap_r.value]
def max_level(self, max_level):
with self:
_gl.glTexParameterIiv(self._target, _gl.GL_TEXTURE_MAX_LEVEL, _gl.pointer(_gl.GLint(max_level)))
def compare_func(self):
_compare_func = _gl.GLint()
_gl.glGetSamplerParameteriv(self._id, _gl.GL_TEXTURE_COMPARE_FUNC, _gl.pointer(_compare_func))
return self.compare_funcs[_compare_func.value]
def swizzle_a(self, swizzle_a):
_swizzle_a = _gl.GLenum(self.swizzles(swizzle_a)._value)
with self:
_gl.glTexParameterIuiv(self._target, _gl.GL_TEXTURE_SWIZZLE_A, _gl.pointer(_swizzle_a))
def compare_mode(self):
_compare_mode = _gl.GLint()
_gl.glGetSamplerParameteriv(self._id, _gl.GL_TEXTURE_COMPARE_MODE, _gl.pointer(_compare_mode))
return self.compare_modes[_compare_mode.value]
def wrap_r(self, wrap_r):
_wrap_r = _gl.GLenum(self.wrapmodes(wrap_r)._value)
with self:
_gl.glTexParameterIuiv(self._target, _gl.GL_TEXTURE_WRAP_R, _gl.pointer(_wrap_r))
def lod_bias(self):
_lod_bias = _gl.GLfloat()
_gl.glGetSamplerParameterfv(self._id, _gl.GL_TEXTURE_LOD_BIAS, _gl.pointer(_lod_bias))
return _lod_bias.value
def _current_query(self):
_current_query = _gl.GLint()
_gl.glGetQueryiv(self._target, _gl.GL_CURRENT_QUERY, _gl.pointer(_current_query))
return _current_query.value
def mag_filter(self):
_mag_filter = _gl.GLint()
_gl.glGetSamplerParameteriv(self._id, _gl.GL_TEXTURE_MAG_FILTER, _gl.pointer(_mag_filter))
return self.mag_filters[_mag_filter.value]
def result_available(self):
_result_available = _gl.GLint()
_gl.glGetQueryObjectiv(self._id, _gl.GL_QUERY_RESULT_AVAILABLE, _gl.pointer(_result_available))
return bool(_result_available.value)
def min_lod(self, min_lod):
_gl.glSamplerParameteriv(self._id, _gl.GL_TEXTURE_MIN_LOD, _gl.pointer(_gl.GLint(min_lod)))
def compare_mode(self, compare_mode):
_compare_mode = _gl.GLenum(self.compare_modes(compare_mode)._value)
with self:
_gl.glTexParameterIuiv(self._target, _gl.GL_TEXTURE_COMPARE_MODE, _gl.pointer(_compare_mode))
def min_lod(self):
_min_lod = _gl.GLint()
_gl.glGetSamplerParameteriv(self._id, _gl.GL_TEXTURE_MIN_LOD,
_gl.pointer(_min_lod))
return _min_lod.value
def wrap_s(self, wrap_s):
_wrap_s = _gl.GLint(self.wrapmodes(wrap_s)._value)
_gl.glSamplerParameteriv(self._id, _gl.GL_TEXTURE_WRAP_S, _gl.pointer(_wrap_s))
def immutable_format(self): # Textures become immutable if their storage is specified with glTexStorage1D, glTexStorage2D or glTexStorage3D
_immutable_format = _gl.GLenum()
with self:
_gl.glGetTexParameterIuiv(self._target, _gl.GL_TEXTURE_COMPARE_MODE, _gl.pointer(_immutable_format))
return bool(_immutable_format.value)
def wrap_r(self, wrap_r):
_wrap_r = _gl.GLint(self.wrapmodes(wrap_r)._value)
_gl.glSamplerParameteriv(self._id, _gl.GL_TEXTURE_WRAP_R, _gl.pointer(_wrap_r))
def lod_bias(self):
_lod_bias = _gl.GLfloat()
with self:
_gl.glGetTexParameterfv(self._target, _gl.GL_TEXTURE_LOD_BIAS, _gl.pointer(_lod_bias))
return _lod_bias.value
def compare_func(self, compare_func):
_compare_func = _gl.GLint(self.compare_funcs(compare_func)._value)
_gl.glSamplerParameteriv(self._id, _gl.GL_TEXTURE_COMPARE_FUNC, _gl.pointer(_compare_func))
def lod_bias(self, lod_bias):
with self:
_gl.glTexParameterfv(self._target, _gl.GL_TEXTURE_LOD_BIAS, _gl.pointer(_gl.GLfloat(lod_bias)))
def compare_mode(self, compare_mode):
_compare_mode = _gl.GLint(self.compare_modes(compare_mode)._value)
_gl.glSamplerParameteriv(self._id, _gl.GL_TEXTURE_COMPARE_MODE, _gl.pointer(_compare_mode))
def mag_filter(self):
_mag_filter = _gl.GLenum()
with self:
_gl.glGetTexParameterIuiv(self._target, _gl.GL_TEXTURE_MAG_FILTER, _gl.pointer(_mag_filter))
return self.mag_filters[_mag_filter.value]
def lod_bias(self, lod_bias):
_gl.glSamplerParameterfv(self._id, _gl.GL_TEXTURE_LOD_BIAS, _gl.pointer(_gl.GLfloat(lod_bias)))
def mag_filter(self, mag_filter):
_mag_filter = _gl.GLenum(self.mag_filters(mag_filter)._value)
with self:
_gl.glTexParameterIuiv(self._target, _gl.GL_TEXTURE_MAG_FILTER, _gl.pointer(_mag_filter))
def mag_filter(self, mag_filter):
_mag_filter = _gl.GLint(self.mag_filters(mag_filter)._value)
_gl.glSamplerParameteriv(self._id, _gl.GL_TEXTURE_MAG_FILTER, _gl.pointer(_mag_filter))
def max_lod(self):
_max_lod = _gl.GLint()
with self:
_gl.glGetTexParameterIiv(self._target, _gl.GL_TEXTURE_MAX_LOD, _gl.pointer(_max_lod))
return _max_lod.value
def max_lod(self):
_max_lod = _gl.GLint()
_gl.glGetSamplerParameteriv(self._id, _gl.GL_TEXTURE_MAX_LOD, _gl.pointer(_max_lod))
return _max_lod.value
def max_lod(self, max_lod):
with self:
_gl.glTexParameterIiv(self._target, _gl.GL_TEXTURE_MAX_LOD, _gl.pointer(_gl.GLint(max_lod)))
