def close(self): if self.program: shaders.glDeleteProgram(self.program) if self.vs: shaders.glDeleteShader(self.vs) if self.fs: shaders.glDeleteShader(self.fs)
def compile_from_source(self, shader_codes: dict):
"""
:param shader_codes: {GL_VERTEX_SHADER:code_string, GL_FRAGMENT_SHADER:code_string, }
"""
shaders = []
for shader_type in shader_codes:
shader = self.compile(shader_type, shader_codes[shader_type])
if shader is not None:
logger.info("Compile %s %s." % (self.name, shader_type))
shaders.append(shader)
self.program = glCreateProgram()
# glProgramParameteri(self.program, GL_PROGRAM_SEPARABLE, GL_TRUE)
glProgramParameteri(self.program, GL_PROGRAM_BINARY_RETRIEVABLE_HINT,
GL_TRUE)
for shader in shaders:
glAttachShader(self.program, shader)
glLinkProgram(self.program)
for shader in shaders:
glDetachShader(self.program, shader)
glDeleteShader(shader)
def __init__(self, vertex_code=None, fragment_code=None,
vertex_file=None, fragment_file=None):
if vertex_file is not None:
vs = self.vertex_from_file(vertex_file)
elif vertex_code is not None:
vs = self.vertex_from_string(vertex_code)
else:
raise ValueError('You need to supply a vertex shader!')
if fragment_file is not None:
fs = self.fragment_from_file(vertex_file)
elif fragment_code is not None:
fs = self.fragment_from_string(fragment_code)
else:
raise ValueError('You need to supply a fragment shader!')
self.id = shaders.glCreateProgram()
shaders.glAttachShader(self.id, vs)
shaders.glAttachShader(self.id, fs)
shaders.glLinkProgram(self.id)
if shaders.glGetProgramiv(self.id, shaders.GL_LINK_STATUS) != gl.GL_TRUE:
print shaders.glGetProgramInfoLog(self.id)
raise RuntimeError(shaders.glGetProgramInfoLog(self.id))
# cleanup
shaders.glDeleteShader(vs)
shaders.glDeleteShader(fs)
def __init__(self,
vertex_code=None,
fragment_code=None,
vertex_file=None,
fragment_file=None):
if vertex_file is not None:
vs = self.vertex_from_file(vertex_file)
elif vertex_code is not None:
vs = self.vertex_from_string(vertex_code)
else:
raise ValueError('You need to supply a vertex shader!')
if fragment_file is not None:
fs = self.fragment_from_file(vertex_file)
elif fragment_code is not None:
fs = self.fragment_from_string(fragment_code)
else:
raise ValueError('You need to supply a fragment shader!')
self.id = shaders.glCreateProgram()
shaders.glAttachShader(self.id, vs)
shaders.glAttachShader(self.id, fs)
shaders.glLinkProgram(self.id)
if shaders.glGetProgramiv(self.id,
shaders.GL_LINK_STATUS) != gl.GL_TRUE:
print shaders.glGetProgramInfoLog(self.id)
raise RuntimeError(shaders.glGetProgramInfoLog(self.id))
# cleanup
shaders.glDeleteShader(vs)
shaders.glDeleteShader(fs)
def delete(self):
glDeleteShader(self.shader)
def __del__(self):
if hasattr(self, 'id'):
shaders.glDeleteShader(self.id)