def initProgram(self):
     # create unique shader program id
     self.program_id = glCreateProgram()
     # load and compile individual shaders
     vertsource = self.loadShader(self.vertpath)
     fragsource = self.loadShader(self.fragpath)
     vert_id = self.getShader(vertsource, GL_VERTEX_SHADER)
     frag_id = self.getShader(fragsource, GL_FRAGMENT_SHADER)
     # if it's ok, attach them to shader program
     glAttachShader(self.program_id, vert_id)
     glAttachShader(self.program_id, frag_id)
     self.analyze(
         vertsource
     )  # in case of new (+#330 ;D) shaders - nothing will happen.
     # link program means make program obj with created executables for different programmable processors for shaders,
     # that were attached.
     glLinkProgram(self.program_id)
     # if something went wrong
     if glGetProgramiv(self.program_id, GL_LINK_STATUS) != GL_TRUE:
         info = glGetProgramInfoLog(self.program_id)
         glDeleteProgram(self.program_id)
         # they should be deleted anyway
         glDeleteShader(vert_id)
         glDeleteShader(frag_id)
         raise RuntimeError("Error in program linking: %s" % info)
     # shaders are attached, program is linked -> full shader program with compiled executables is ready,
     # no need in individual shaders ids, i suppose
     glDeleteShader(vert_id)
     glDeleteShader(frag_id)
Exemple #2
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      def init_shaders(self,vtx=None,frg=None):

          self.program_id = glCreateProgram()

          if vtx:
             self.VTX.source = vtx
             self.VTX.fname  = None

          #print self.VTX.source
          self.VTX.id = self.add_shader(self.VTX.source, GL_VERTEX_SHADER)

          if frg:
             self.FRG.source = frg
             self.FRG.fname  = None
          self.FRG.id = self.add_shader(self.FRG.source, GL_FRAGMENT_SHADER)


          glAttachShader(self.program_id, self.VTX.id)
          glAttachShader(self.program_id, self.FRG.id)
          glLinkProgram(self.program_id)

          if glGetProgramiv(self.program_id, GL_LINK_STATUS) != GL_TRUE:
             info = glGetProgramInfoLog(self.program_id)
             glDeleteProgram(self.program_id)
             glDeleteShader(self.VTX.id)
             glDeleteShader(self.FRG.id)
             raise RuntimeError('Error linking program: %s' % (info))
          glDeleteShader(self.VTX.id)
          glDeleteShader(self.FRG.id)
Exemple #3
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	def __init__(self, archivo_vert, archivo_frag,
				 nombre_vert="Vertex Shader", nombre_frag="Fragment Shader"):
		print("Shader creado")
		
		# Creación de shaders y programa
		self.vshader = glCreateShader(GL_VERTEX_SHADER)
		self.fshader = glCreateShader(GL_FRAGMENT_SHADER)
		self.programa = glCreateProgram()
		
		# Cargamos los datos de los archivos en los shaders
		self.cargar_datos(self.vshader, archivo_vert)
		self.cargar_datos(self.fshader, archivo_frag)
		# Compilamos los shaders
		resultado_vert = self.compilar(self.vshader, nombre_vert)
		resultado_frag = self.compilar(self.fshader, nombre_frag)
		
		# Error en la compilación
		if (resultado_vert != 1) or (resultado_frag != 1):
			self.destruir()
		# Sin errores hasta ahora
		else:
			# Enlazamos los shaders al programa
			glAttachShader(self.programa, self.vshader)
			glAttachShader(self.programa, self.fshader)
			# Enlazamos el programa
			glLinkProgram(self.programa)
			# Desenlazaos y eliminamos los shaders
			glDetachShader(self.programa, self.vshader)
			glDetachShader(self.programa, self.fshader)
			glDeleteShader(self.vshader)
			glDeleteShader(self.fshader)
			# Errores durante el enlace
			resultado_progr = glGetProgramiv(self.programa, GL_LINK_STATUS)
			if resultado_progr != 1:
				self.destruir()
Exemple #4
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    def create(self):
        if not (self.status & Resource.LOADED):
            return

        vs = glCreateShader(GL_VERTEX_SHADER)
        glShaderSource(vs, self.vs_str)
        glCompileShader(vs)
        if glGetShaderiv(vs, GL_COMPILE_STATUS) != GL_TRUE:
            raise RuntimeError(glGetShaderInfoLog(vs))

        fs = glCreateShader(GL_FRAGMENT_SHADER)
        glShaderSource(fs, self.fs_str)
        glCompileShader(fs)
        if glGetShaderiv(fs, GL_COMPILE_STATUS) != GL_TRUE:
            raise RuntimeError(glGetShaderInfoLog(fs))

        program = glCreateProgram()
        glAttachShader(program, vs)
        glAttachShader(program, fs)

        glLinkProgram(program)
        if glGetProgramiv(program, GL_LINK_STATUS) != GL_TRUE:
            raise RuntimeError(glGetProgramInfoLog(program))

        glValidateProgram(program)
        validation = glGetProgramiv(program, GL_VALIDATE_STATUS)
        if validation == GL_FALSE:
            raise RuntimeError(glGetProgramInfoLog(program))

        # todo: check for errrors before setting status
        self.program = program
        self.status |= Resource.CREATED
Exemple #5
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    def __init__(self, vertex, fragment):
        """
        Parameters
        ----------
        vertex : str
            String containing shader source code for the vertex
            shader
        fragment : str
            String containing shader source code for the fragment
            shader

        """
        self.program_id = glCreateProgram()
        vs_id = self.add_shader(vertex, GL_VERTEX_SHADER)
        frag_id = self.add_shader(fragment, GL_FRAGMENT_SHADER)

        glAttachShader(self.program_id, vs_id)
        glAttachShader(self.program_id, frag_id)
        glLinkProgram(self.program_id)

        if glGetProgramiv(self.program_id, GL_LINK_STATUS) != GL_TRUE:
            info = glGetProgramInfoLog(self.program_id)
            glDeleteProgram(self.program_id)
            glDeleteShader(vs_id)
            glDeleteShader(frag_id)
            raise RuntimeError('Error linking program: %s' % (info))
        glDeleteShader(vs_id)
        glDeleteShader(frag_id)
Exemple #6
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    def createShader(vSource, fSource):
        #Creo y compilo el vertex shader
        vProgram = ShaderManager.compileProgram(vSource, GL_VERTEX_SHADER)
        #Creo y compilo el fragment shader
        fProgram = ShaderManager.compileProgram(fSource, GL_FRAGMENT_SHADER)
        #Creo un programa de shading vacio en memoria de video
        shader = glCreateProgram()
        #Le adjunto el codigo objeto del vertex shader compilado
        glAttachShader(shader, vProgram)
        #Le adjunto el codigo objeto del fragment shader compilado
        glAttachShader(shader, fProgram)
        #Intento linkear el programa para generar un ejecutable en memoria de video
        glLinkProgram(shader)
        #Chequeo si la ejecucion del linkeo del programa fue exitosa
        if glGetProgramiv(shader, GL_LINK_STATUS) != GL_TRUE:
            #Si falla, imprimo el mensaje de error y libero los recursos
            print(glGetProgramInfoLog(shader))
            glDeleteProgram(shader)
            return 0
        #Una vez que el programa fue linkeado, haya sido exitoso o no, ya no necesito los shaders
        #individuales compilados, asi que libero sus recursos
        glDeleteShader(vProgram)
        glDeleteShader(fProgram)

        return shader
Exemple #7
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 def new_program(cls):
     """
         Create a new program. The object own the ressources
     """
     pobj = super().__new__(cls)
     pobj.pid = c_uint(glCreateProgram())
     pobj.uniforms = ShaderUniformAccessor(pobj)
     pobj.attributes = ShaderAttributeAccessor(pobj)
     pobj.owned = True
     return pobj
 def __init__(self, vertex=None, geometry=None, fragment=None, link=False):
     self.program_id = glCreateProgram()
     self._shaders = []
     if not vertex is None:
         self.attachShader(GL_VERTEX_SHADER, vertex)
     if not geometry is None:
         self.attachShader(GL_GEOMETRY_SHADER, geometry)
     if not fragment is None:
         self.attachShader(GL_FRAGMENT_SHADER, fragment)
     if link: self.linkProgram()
     self._in_use = 0
Exemple #9
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def initialize_program(*shaders):

    program = glCreateProgram()
    for shader in shaders:
        glAttachShader(program, shader)
    glLinkProgram(program)
    for shader in shaders:
        dispose_shader(shader)
    result = glGetProgramiv(program, GL_LINK_STATUS)
    if result == 0:
        raise RuntimeError(glGetProgramInfoLog(program))
    return program
def make_program(vertex_shader, fragment_shader):
    program = glCreateProgram()
    glAttachShader(program, vertex_shader)
    glAttachShader(program, fragment_shader)
    glLinkProgram(program)
    retval = ctypes.c_int()
    glGetProgramiv(program, GL_LINK_STATUS, retval)
    if not retval:
        print >> sys.stderr, "Failed to link shader program."
        print glGetProgramInfoLog(program)
        glDeleteProgram(program)
        raise Exception("Failed to link shader program.")
    return program
Exemple #11
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    def CreateShader(self, VertexShader, FragmentShader):
        program = glCreateProgram()
        vs = self.CompileShader(GL_VERTEX_SHADER, VertexShader)
        fs = self.CompileShader(GL_FRAGMENT_SHADER, FragmentShader)

        glAttachShader(program, vs)
        glAttachShader(program, fs)
        glLinkProgram(program)
        glValidateProgram(program)

        glDeleteShader(vs)
        glDeleteShader(fs)

        return program
Exemple #12
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    def link(self):
        self.__programId = glCreateProgram()
        for shader in self.shaders:
            shader.compile()
            glAttachShader(self.__programId, shader.getId())

        glLinkProgram(self.__programId)

        for shader in self.shaders:
            shader.delete()
        self.shaders.clear()

        if glGetProgramiv(self.__programId, GL_LINK_STATUS) != GL_TRUE:
            info = glGetProgramInfoLog(self.__programId)
            self.delete()
            raise RuntimeError(f'Error in program linking: {info}')
Exemple #13
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    def __init__(self, shaderPaths=[]):

        self.shader_program = glCreateProgram()
        self.shader_objects = {}
        for (shader_type, path) in shaderPaths:
            self.shader_objects[shader_type] = self.loadAndCompileShaderObject(
                shader_type, path)
            glAttachShader(self.shader_program,
                           self.shader_objects[shader_type])

        glLinkProgram(self.shader_program)
        if glGetProgramiv(self.shader_program, GL_LINK_STATUS) != GL_TRUE:
            info = glGetProgramInfoLog(self.shader_program)
            glDeleteProgram(self.shader_program)
            for shader in self.shader_objects:
                glDeleteShader(shader)
            raise RuntimeError("Error in program linking: %s" % info)
Exemple #14
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 def _createProgram(self, shaders):
     prog = None
     try:
         prog = glCreateProgram()
         for shader in shaders: 
             glAttachShader(prog, shader)
         
         glLinkProgram(prog)            
         if glGetProgramiv(prog, GL_LINK_STATUS) != GL_TRUE:
             info = glGetProgramInfoLog(prog)
             raise Exception, "Unable to link program. Info log:\n%s" % (info)
         
         return prog
     except Exception:
         if prog != None:
             glDeleteProgram(prog)
         raise
Exemple #15
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   def __init__(self, vertex_source=None, fragment_source=None):
       self.program = glCreateProgram()
 
       if vertex_source:
           self.vertex_shader = self.create_shader(
               vertex_source, GL_VERTEX_SHADER)
           glAttachShader(self.program, self.vertex_shader)
 
       if fragment_source:
           self.fragment_shader = self.create_shader(
               fragment_source, GL_FRAGMENT_SHADER)
           glAttachShader(self.program, self.fragment_shader)
 
       glLinkProgram(self.program)
       message = self.get_program_log(self.program)
       if message:
           pymt_logger.debug('Shader: shader program message: %s' % message)
Exemple #16
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    def createProgram(self):

        vertexShader = self.createShader(self.vertexSource, GL_VERTEX_SHADER)
        fragmentShader = self.createShader(self.fragmentSource,
                                           GL_FRAGMENT_SHADER)

        program = glCreateProgram()
        glAttachShader(program, vertexShader)
        glAttachShader(program, fragmentShader)
        glLinkProgram(program)

        self.status[GL_LINK_STATUS] = glGetProgramiv(program, GL_LINK_STATUS)
        self.infoLog[GL_LINK_STATUS] = glGetProgramInfoLog(program)

        glDeleteShader(vertexShader)
        glDeleteShader(fragmentShader)

        return program
    def __init__(self, vertex_shader_code: str,
                 fragment_shader_code: str) -> None:

        self.__vertex_shader_id: int = self._load_shader(
            vertex_shader_code, GL_VERTEX_SHADER)
        self.__fragment_shader_id: int = self._load_shader(
            fragment_shader_code, GL_FRAGMENT_SHADER)
        self.__program_id: int = glCreateProgram()

        self.__location_transformation_matrix: int = -1
        self.__location_view_matrix: int = -1
        self.__location_projection_matrix: int = -1

        glAttachShader(self.__program_id, self.__vertex_shader_id)
        glAttachShader(self.__program_id, self.__fragment_shader_id)
        self._bind_attributes()
        glLinkProgram(self.__program_id)
        glValidateProgram(self.__program_id)
        self._get_uniform_locations()
Exemple #18
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def compile_shader(vertex_shader_source, fragment_shader_source):
    vertex_shader = load_shader(GL_VERTEX_SHADER, vertex_shader_source)
    fragment_shader = load_shader(GL_FRAGMENT_SHADER, fragment_shader_source)

    program = glCreateProgram()

    if program == 0:
        raise ShaderException()

    glAttachShader(program, vertex_shader)
    glAttachShader(program, fragment_shader)

    glLinkProgram(program)

    if glGetProgramiv(program, GL_LINK_STATUS, None) == GL_FALSE:
        info_log = glGetProgramInfoLog(program)
        glDeleteProgram(program)
        raise ShaderException(info_log)

    return program
Exemple #19
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    def __init__(self, vertex, fragment, number_of_buffers=0,
                 number_of_textures=0):
        """Initialize program with shaders."""
        self.__program = glCreateProgram()
        self.__current_shaders = {}
        self.__shaders = {
            GL_VERTEX_SHADER: [],
            GL_FRAGMENT_SHADER: []
        }
        self.__depth_map_fbo = None
        self.__attributes = []

        self.__initiate_shaders(vertex, fragment)

        self.change_shader(0, 0)

        glLinkProgram(self.__program)
        assert glGetProgramiv(self.__program, GL_LINK_STATUS) == GL_TRUE

        self.__initiate_buffers(number_of_buffers)
        self.__initiate_textures(number_of_textures)
Exemple #20
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    def __init__(self, vertex_source=None, fragment_source=None):
        print("In Shader File")
        self.program = glCreateProgram()
        vertex_file = open(vertex_source, "r")
        fragment_file = open(fragment_source, "r")
        vertex = vertex_file.read()
        fragment = fragment_file.read()
        vertex_file.close()
        fragment_file.close()
        if vertex_source:
            self.vertex_shader = self.create_shader(vertex, GL_VERTEX_SHADER)
            glAttachShader(self.program, self.vertex_shader)

        if fragment_source:
            self.fragment_shader = self.create_shader(fragment,
                                                      GL_FRAGMENT_SHADER)
            glAttachShader(self.program, self.fragment_shader)

        glLinkProgram(self.program)
        message = self.get_program_log(self.program)
        if message:
            print('Init Shader: shader program message: %s' % message)
Exemple #21
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    def __init__(self,
                 vertex,
                 fragment,
                 number_of_buffers=0,
                 number_of_textures=0):
        """Initialize program with shaders."""
        self.__program = glCreateProgram()
        self.__current_shaders = {}
        self.__shaders = {GL_VERTEX_SHADER: [], GL_FRAGMENT_SHADER: []}
        self.__depth_map_fbo = None
        self.__attributes = []

        if not isinstance(vertex, list):
            vertex = [vertex]
        for v in vertex:
            self.__load_shader(get_shader_path(v), GL_VERTEX_SHADER)
        if not isinstance(fragment, list):
            fragment = [fragment]
        for f in fragment:
            self.__load_shader(get_shader_path(f), GL_FRAGMENT_SHADER)

        self.change_shader(0, 0)

        glLinkProgram(self.__program)
        assert glGetProgramiv(self.__program, GL_LINK_STATUS) == GL_TRUE

        self.__vao_id = glGenVertexArrays(1)
        glBindVertexArray(self.__vao_id)
        if number_of_buffers == 1:
            self.__vbo_id = [glGenBuffers(number_of_buffers)]
        elif number_of_buffers > 1:
            self.__vbo_id = glGenBuffers(number_of_buffers)

        if number_of_textures == 1:
            self.__textures_ids = [glGenTextures(1)]
        elif number_of_textures > 1:
            self.__textures_ids = glGenTextures(number_of_textures)
        self.__textures = []
	def __init__(self):
		self.program_id = glCreateProgram()
		self._shaders = []
Exemple #23
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 def _alloc(self):
     # pylint: disable=assignment-from-no-return
     self._hnd = glCreateProgram()
     logging.info('glCreateProgram() -> %d', self._hnd)
     if self._hnd == 0:
         raise ValueError('glCreateProgram failed')
Exemple #24
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 def _alloc(self):
     # pylint: disable=assignment-from-no-return
     self._hnd = glCreateProgram()
     logging.info('glCreateProgram() -> %d', self._hnd)
     if self._hnd == 0:
         raise ValueError('glCreateProgram failed')