def createProgram(vertexShader, fragmentShader):
program = bgl.glCreateProgram()
bgl.glAttachShader(program, vertexShader)
bgl.glAttachShader(program, fragmentShader)
bgl.glLinkProgram(program)
success = bgl.Buffer(bgl.GL_INT, [1])
bgl.glGetProgramiv(program, bgl.GL_LINK_STATUS, success)
#var success = gl.getProgramParameter(program, gl.LINK_STATUS);
if (success[0] == bgl.GL_TRUE):
print("shader link success")
return program
print("shader program linking failed")
bgl.glGetProgramiv(program, bgl.GL_INFO_LOG_LENGTH, success)
start = bgl.Buffer(bgl.GL_INT, [1])
start[0] =0
log = bgl.Buffer(bgl.GL_BYTE, [success[0]])
bgl.glGetProgramInfoLog(program, success[0], start, log)
py_log = log[:]
py_log_str = ""
for c in py_log:
py_log_str += str(chr(c))
print(str(py_log_str))
bgl.glDeleteProgram(program)
def delete_program(program):
"""
Delete and OpenGL program and its attached shaders.
"""
count = bgl.Buffer(bgl.GL_INT, 1)
shaders = bgl.Buffer(bgl.GL_INT, 10)
bgl.glGetAttachedShaders(program, 10, count, shaders)
for i in range(count[0]):
bgl.glDetachShader(program, shaders[i])
bgl.glDeleteShader(shaders[i])
bgl.glDeleteProgram(program)
gl_error('delete_program')
def __del__(self):
for shad in self.shaders:
bgl.glDetachShader(self.program, shad)
bgl.glDeleteShader(shad)
bgl.glDeleteProgram(self.program)
print('shader_del')
def __del__(self):
for shad in self.shaders:
bgl.glDetachShader(self.program, shad)
bgl.glDeleteShader(shad)
bgl.glDeleteProgram(self.program)