class Renderer:
def __init__(self):
self.context = Context.getInstance() # NOTE must be initialized
self.logger = logging.getLogger(__name__)
self.windowWidth = 640
self.windowHeight = 480
self.initialize()
self.colorShader = Shader(
self.context.getResourcePath('shaders', 'ADS.vert'),
self.context.getResourcePath('shaders', 'ADS.frag'))
self.proj = hm.perspective(hm.identity(), 35,
float(self.windowWidth) / self.windowHeight,
1.0, 1000.0)
self.view = hm.lookat(
hm.identity(), np.array([0.0, 0.0, 0.0, 1.0], dtype=np.float32),
np.array([0.0, 0.0, 1.0, 1.0], dtype=np.float32),
np.array([0.0, -1.0, 0.0, 1.0], dtype=np.float32))
self.cameraMatrix = np.dot(self.proj, self.view)
self.setCameraMatrix(self.cameraMatrix)
def setCameraMatrix(self, cameraMatrix):
self.colorShader.setUniformMat4('view', self.view)
self.colorShader.setUniformMat4('proj', self.proj)
def setModelMatrix(self, model):
self.colorShader.setUniformMat4('model', model)
def setLightPos(self, lightPos):
self.colorShader.setUniformVec4('lightPosition', lightPos)
def setDiffCol(self, diffCol):
self.colorShader.setUniformVec3('diffuseColor', diffCol)
def windowOpen(self):
return glfw.GetWindowParam(glfw.OPENED)
def startDraw(self):
glClearColor(0.0, 0.0, 0.0, 1.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
def endDraw(self):
glfw.SwapBuffers()
def initialize(self):
glfw.Init()
glfw.OpenWindowHint(glfw.FSAA_SAMPLES, 4)
glfw.OpenWindowHint(glfw.OPENGL_VERSION_MAJOR, 3)
glfw.OpenWindowHint(glfw.OPENGL_VERSION_MINOR, 2) # 3.2
glfw.OpenWindowHint(glfw.OPENGL_PROFILE,
glfw.OPENGL_CORE_PROFILE) # 3.2
glfw.OpenWindowHint(glfw.OPENGL_FORWARD_COMPAT, GL_TRUE) # 3.2
glfw.OpenWindowHint(glfw.WINDOW_NO_RESIZE, GL_TRUE)
try: # in case we fail to init this version
glfw.OpenWindow(self.windowWidth, self.windowHeight, 0, 0, 0, 0,
24, 8, glfw.WINDOW)
except Exception as e:
self.logger.warn("Failed to initialize OpenGL: {}".format(str(e)))
self.logger.warn("Trying lower version...")
glfw.OpenWindowHint(glfw.OPENGL_VERSION_MINOR, 0) # 3.0
glfw.OpenWindowHint(glfw.OPENGL_PROFILE, 0) # 3.0
glfw.OpenWindowHint(glfw.OPENGL_FORWARD_COMPAT, GL_FALSE) # 3.0
glfw.OpenWindow(self.windowWidth, self.windowHeight, 0, 0, 0, 0,
24, 8, glfw.WINDOW)
self.logger.warn("OpenGL fallback to lower version worked")
glfw.SetWindowTitle("TANG")
glfw.SetWindowCloseCallback(self.onWindowClose)
glEnable(GL_DEPTH_TEST)
glEnable(GL_CULL_FACE)
# Find out OpenGL version, and store for future use
self.context.GL_version_string = glGetString(GL_VERSION).split(
' '
)[0] # must have version at the beginning, e.g. "3.0 Mesa 9.x.x" to extract "3.0"
self.context.GL_version_major, self.context.GL_version_minor = list(
int(x) for x in self.context.GL_version_string.split('.'))[
0:2] # must have only MAJOR.MINOR
self.logger.info("OpenGL version {}.{}".format(
self.context.GL_version_major, self.context.GL_version_minor))
self.context.GLSL_version_string = glGetString(
GL_SHADING_LANGUAGE_VERSION).split(' ')[0].replace(
'.', '') # "1.50" => "150"
self.logger.info("GLSL version {}".format(
self.context.GLSL_version_string))
def quit(self):
glfw.CloseWindow() # NOTE does not generate onWindowClose callback
#glfw.Terminate()
def onWindowClose(self):
#self.logger.debug("Renderer.onWindowClose()")
return True # nothing more needs to be done; but an event could be generated
class Renderer:
def __init__(self):
self.context = Context.getInstance() # NOTE must be initialized
self.logger = logging.getLogger(__name__)
self.windowWidth = 640
self.windowHeight = 480
self.initialize()
self.colorShader = Shader(self.context.getResourcePath('shaders', 'ADS.vert'), self.context.getResourcePath('shaders', 'ADS.frag'))
self.proj = hm.perspective(hm.identity(), 35, float(self.windowWidth) / self.windowHeight, 1.0, 1000.0)
self.view = hm.lookat(hm.identity(), np.array([0.0, 0.0, 0.0, 1.0], dtype = np.float32), np.array([0.0, 0.0, 1.0, 1.0], dtype = np.float32), np.array([0.0, -1.0, 0.0, 1.0], dtype = np.float32))
self.cameraMatrix = np.dot(self.proj, self.view)
self.setCameraMatrix(self.cameraMatrix)
def setCameraMatrix(self, cameraMatrix):
self.colorShader.setUniformMat4('view', self.view)
self.colorShader.setUniformMat4('proj', self.proj)
def setModelMatrix(self, model):
self.colorShader.setUniformMat4('model', model)
def setLightPos(self, lightPos):
self.colorShader.setUniformVec4('lightPosition', lightPos)
def setDiffCol(self, diffCol):
self.colorShader.setUniformVec3('diffuseColor', diffCol)
def windowOpen(self):
return glfw.GetWindowParam(glfw.OPENED)
def startDraw(self):
glClearColor(0.0, 0.0, 0.0, 1.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
def endDraw(self):
glfw.SwapBuffers()
def initialize(self):
glfw.Init()
glfw.OpenWindowHint(glfw.FSAA_SAMPLES, 4)
glfw.OpenWindowHint(glfw.OPENGL_VERSION_MAJOR, 3)
glfw.OpenWindowHint(glfw.OPENGL_VERSION_MINOR, 2) # 3.2
glfw.OpenWindowHint(glfw.OPENGL_PROFILE, glfw.OPENGL_CORE_PROFILE) # 3.2
glfw.OpenWindowHint(glfw.OPENGL_FORWARD_COMPAT, GL_TRUE) # 3.2
glfw.OpenWindowHint(glfw.WINDOW_NO_RESIZE, GL_TRUE)
try: # in case we fail to init this version
glfw.OpenWindow(self.windowWidth, self.windowHeight, 0, 0, 0, 0, 24, 8, glfw.WINDOW)
except Exception as e:
self.logger.warn("Failed to initialize OpenGL: {}".format(str(e)))
self.logger.warn("Trying lower version...")
glfw.OpenWindowHint(glfw.OPENGL_VERSION_MINOR, 0) # 3.0
glfw.OpenWindowHint(glfw.OPENGL_PROFILE, 0) # 3.0
glfw.OpenWindowHint(glfw.OPENGL_FORWARD_COMPAT, GL_FALSE) # 3.0
glfw.OpenWindow(self.windowWidth, self.windowHeight, 0, 0, 0, 0, 24, 8, glfw.WINDOW)
self.logger.warn("OpenGL fallback to lower version worked")
glfw.SetWindowTitle("TANG")
glfw.SetWindowCloseCallback(self.onWindowClose)
glEnable(GL_DEPTH_TEST)
glEnable(GL_CULL_FACE)
# Find out OpenGL version, and store for future use
self.context.GL_version_string = glGetString(GL_VERSION).split(' ')[0] # must have version at the beginning, e.g. "3.0 Mesa 9.x.x" to extract "3.0"
self.context.GL_version_major, self.context.GL_version_minor = list(int(x) for x in self.context.GL_version_string.split('.'))[0:2] # must have only MAJOR.MINOR
self.logger.info("OpenGL version {}.{}".format(self.context.GL_version_major, self.context.GL_version_minor))
self.context.GLSL_version_string = glGetString(GL_SHADING_LANGUAGE_VERSION).split(' ')[0].replace('.', '') # "1.50" => "150"
self.logger.info("GLSL version {}".format(self.context.GLSL_version_string))
def quit(self):
glfw.CloseWindow() # NOTE does not generate onWindowClose callback
#glfw.Terminate()
def onWindowClose(self):
#self.logger.debug("Renderer.onWindowClose()")
return True # nothing more needs to be done; but an event could be generated
