def _get_active_uniforms(self):
""" Extract active uniforms from GPU """
count = gl.glGetProgramiv(self.handle, gl.GL_ACTIVE_UNIFORMS)
# This match a name of the form "name[size]" (= array)
regex = re.compile("""(?P<name>\w+)\s*(\[(?P<size>\d+)\])\s*""")
uniforms = []
for i in range(count):
name, size, gtype = gl.glGetActiveUniform(self.handle, i)
name = name.decode()
# This checks if the uniform is an array
# Name will be something like xxx[0] instead of xxx
m = regex.match(name)
# When uniform is an array, size corresponds to the highest used index
if m:
name = m.group("name")
if size >= 1:
for i in range(size):
name = "%s[%d]" % (m.group("name"), i)
uniforms.append((name, gtype))
else:
uniforms.append((name, gtype))
return uniforms
def active_uniforms(self):
"""
List of active uniform requested from GPU (read only).
.. note::
An inactive uniform is a uniform that has been declared but that is
not actually used in the shader.
Example:
.. code::
uniform vec3 color; # Inactive
void main() {
gl_FragColor = vec4(1.0, 1.0, 1.0, 1.0);
}
"""
count = gl.glGetProgramiv(self.handle, gl.GL_ACTIVE_UNIFORMS)
# This match a name of the form "name[size]" (= array)
regex = re.compile("""(?P<name>\w+)\s*(\[(?P<size>\d+)\])\s*""")
uniforms = []
for i in range(count):
name, size, gtype = gl.glGetActiveUniform(self.handle, i)
name = name.decode()
# This checks if the uniform is an array
# Name will be something like xxx[0] instead of xxx
m = regex.match(name)
# When uniform is an array, size corresponds to the highest used index
if m:
name = m.group('name')
if size >= 1:
for i in range(size):
name = '%s[%d]' % (m.group('name'), i)
uniforms.append((name, gtype))
else:
uniforms.append((name, gtype))
return uniforms
def active_uniforms(self):
"""
List of active uniform requested from GPU (read only).
.. note::
An inactive uniform is a uniform that has been declared but that is
not actually used in the shader.
Example:
.. code::
uniform vec3 color; # Inactive
void main() {
gl_FragColor = vec4(1.0, 1.0, 1.0, 1.0);
}
"""
count = gl.glGetProgramiv(self.handle, gl.GL_ACTIVE_UNIFORMS)
# This match a name of the form "name[size]" (= array)
regex = re.compile("""(?P<name>\w+)\s*(\[(?P<size>\d+)\])\s*""")
uniforms = []
for i in range(count):
name, size, gtype = gl.glGetActiveUniform(self.handle, i)
name = name.decode()
# This checks if the uniform is an array
# Name will be something like xxx[0] instead of xxx
m = regex.match(name)
# When uniform is an array, size corresponds to the highest used index
if m:
name = m.group('name')
if size >= 1:
for i in range(size):
name = '%s[%d]' % (m.group('name'),i)
uniforms.append((name, gtype))
else:
uniforms.append((name, gtype))
return uniforms
def _get_active_uniforms(self):
""" Extract active uniforms from GPU """
count = gl.glGetProgramiv(self.handle, gl.GL_ACTIVE_UNIFORMS)
# This match a name of the form "name[size]" (= array)
regex = re.compile("""(?P<name>\w+)\s*(\[(?P<size>\d+)\])\s*""")
uniforms = []
for i in range(count):
name, size, gtype = gl.glGetActiveUniform(self.handle, i)
# This checks if the uniform is an array
# Name will be something like xxx[0] instead of xxx
m = regex.match(name)
# When uniform is an array, size corresponds to the highest used index
if m:
name = m.group('name')
if size >= 1:
for i in range(size):
name = '%s[%d]' % (m.group('name'),i)
uniforms.append((name, gtype))
else:
uniforms.append((name, gtype))
return uniforms
