def bindProgram(self):
GLTools.checkForGLError()
if self.needsCompile():
self.unbindProgram()
self.compileProgram()
if not self.needsCompile():
glUseProgram(self.__program_object)
GLTools.checkForGLError()
def uploadData(self):
glBindBuffer(GL_ARRAY_BUFFER, self.__vertex_buffer_object)
buffer = numpy.array(self.__vertices, dtype="f")
glBufferData(GL_ARRAY_BUFFER, buffer, GL_STATIC_DRAW)
glBindBuffer(GL_ARRAY_BUFFER, self.__texture_buffer_object)
buffer = numpy.array(self.__texture_coordinates, dtype="f")
glBufferData(GL_ARRAY_BUFFER, buffer, GL_STATIC_DRAW)
self.__data_changed = False
GLTools.checkForGLError()
def uploadData(self):
glBindBuffer(GL_ARRAY_BUFFER, self.__vertex_buffer_object)
buffer = numpy.array(self.__vertices, dtype="f")
glBufferData(GL_ARRAY_BUFFER, buffer, GL_STATIC_DRAW)
glBindBuffer(GL_ARRAY_BUFFER, self.__texture_buffer_object)
buffer = numpy.array(self.__texture_coordinates, dtype="f")
glBufferData(GL_ARRAY_BUFFER, buffer, GL_STATIC_DRAW)
self.__data_changed = False
GLTools.checkForGLError()
def bind(self):
glEnable(GL_TEXTURE_1D)
if self.__texture_reference is None:
self.createTexture()
if self.__data_changed:
self.uploadData()
glBindTexture(GL_TEXTURE_1D, self.__texture_reference)
GLTools.checkForGLError()
def bind(self):
glEnable(GL_TEXTURE_3D)
if self.__texture_reference is None:
self.createTexture()
if self.__data_changed:
self.uploadData()
glBindTexture(GL_TEXTURE_3D, self.__texture_reference)
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, self.__filter_mode)
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, self.__filter_mode) #GL_LINEAR or GL_NEAREST
GLTools.checkForGLError()
def createTexture(self):
glEnable(GL_TEXTURE_1D)
self.__texture_reference = glGenTextures(1)
glBindTexture(GL_TEXTURE_1D, self.__texture_reference)
# glPixelStorei(GL_UNPACK_ALIGNMENT, 1)
glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_WRAP_S, self.__wrap)
glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MAG_FILTER, GL_LINEAR)
glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MIN_FILTER, GL_LINEAR) #GL_LINEAR or GL_NEAREST
GLTools.checkForGLError()
glTexImage1D(GL_TEXTURE_1D, 0, self.__internal_format, self.__width, 0, self.__pixel_format, self.__pixel_type, None)
GLTools.checkForGLError()
glBindTexture(GL_TEXTURE_1D, 0)
def compileShader(self):
if self.__shader_object is None:
self.__shader_object = glCreateShader(self.__type)
if self.needsCompile():
with open(self.__shader_source, "r") as f:
shader_code = f.read()
glShaderSource(self.__shader_object, shader_code)
GLTools.checkForGLError()
glCompileShader(self.__shader_object)
# self.checkForError()
self.checkCompileStatus()
if self.__compiled:
self.__time_stamp = os.path.getmtime(self.__shader_source)
print("Shader source '%s' compiled!" % self.__shader_source)
def compileShader(self):
if self.__shader_object is None:
self.__shader_object = glCreateShader(self.__type)
if self.needsCompile():
with open(self.__shader_source, "r") as f:
shader_code = f.read()
glShaderSource(self.__shader_object, shader_code)
GLTools.checkForGLError()
glCompileShader(self.__shader_object)
# self.checkForError()
self.checkCompileStatus()
if self.__compiled:
self.__time_stamp = os.path.getmtime(self.__shader_source)
print("Shader source '%s' compiled!" % self.__shader_source)
def createTexture(self):
glEnable(GL_TEXTURE_3D)
self.__texture_reference = glGenTextures(1)
glBindTexture(GL_TEXTURE_3D, self.__texture_reference)
# glPixelStorei(GL_UNPACK_ALIGNMENT, 1)
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE)
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE)
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE)
# glTexParameterfv(GL_TEXTURE_3D, GL_TEXTURE_BORDER_COLOR, [0, 0, 0, 0])
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, self.__filter_mode)
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, self.__filter_mode) #GL_LINEAR or GL_NEAREST
GLTools.checkForGLError()
glTexImage3D(GL_TEXTURE_3D, 0, self.__internal_format, self.__width, self.__height, self.__depth, 0, self.__pixel_format, self.__pixel_type, None)
GLTools.checkForGLError()
glBindTexture(GL_TEXTURE_3D, 0)
def createVertexBufferObject(self):
self.__vertex_buffer_object = glGenBuffers(1)
self.__texture_buffer_object = glGenBuffers(1)
GLTools.checkForGLError()
def uploadData(self):
glBindTexture(GL_TEXTURE_3D, self.__texture_reference)
glTexSubImage3D(GL_TEXTURE_3D, 0, 0, 0, 0, self.__width, self.__height, self.__depth, self.__pixel_format, self.__pixel_type, self.__data)
GLTools.checkForGLError()
glBindTexture(GL_TEXTURE_3D, 0)
self.__data_changed = False
def createVertexBufferObject(self):
self.__vertex_buffer_object = glGenBuffers(1)
self.__texture_buffer_object = glGenBuffers(1)
GLTools.checkForGLError()
def unbindProgram(self):
GLTools.checkForGLError()
glUseProgram(0)
GLTools.checkForGLError()
