以下函数不适用于我(pyopengl和opengl 4.2)。pyopengl:glFramebuffer函数错误
我做错了什么?
glGetIntegerv(GL_MAX_FRAMEBUFFER_WIDTH)
KeyError异常:( '未知符GL_MAX_FRAMEBUFFER_WIDTH(0x9315)', '在cConverter失败',(GL_MAX_FRAMEBUFFER_WIDTH,),1,)
glGetFramebufferParameteriv(GL_DRAW_FRAMEBUFFER, GL_FRAMEBUFFER_DEFAULT_WIDTH)
OpenGL.error.NullFunctionError:尝试调用试图调用一个未定义本功能:未定义功能glGetFramebufferParameteriv,调用
glFramebufferParameteri(GL_DRAW_FRAMEBUFFER, GL_FRAMEBUFFER_DEFAULT_WIDTH, 512);
OpenGL.error.NullFunctionError之前检查布尔(glGetFramebufferParameteriv)离子glFramebufferParameteri,呼吁
示例代码之前检查布尔(glFramebufferParameteri):
from __future__ import division
import OpenGL
from OpenGL.GL import *
from OpenGL.GLU import *
from OpenGL.GLUT import *
def InitGL():
glClearColor(0.0, 0.0, 0.0, 0.0)
glClearDepth(1.0)
glShadeModel(GL_SMOOTH)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
gluPerspective(45.0, 800/600, 0.1, 100.0)
glMatrixMode(GL_MODELVIEW)
def DrawGLScene():
fbo = glGenFramebuffers(1)
glBindFramebuffer(GL_FRAMEBUFFER, fbo)
#folowing not working
print glGetIntegerv(GL_MAX_FRAMEBUFFER_WIDTH);
print glGetFramebufferParameteriv(GL_DRAW_FRAMEBUFFER, GL_FRAMEBUFFER_DEFAULT_WIDTH)
glFramebufferParameteri(GL_DRAW_FRAMEBUFFER, GL_FRAMEBUFFER_DEFAULT_WIDTH, 512);
glFramebufferParameteri(GL_DRAW_FRAMEBUFFER, GL_FRAMEBUFFER_DEFAULT_HEIGHT, 512);
glutInit(sys.argv)
glutInitDisplayMode(GLUT_RGBA | GLUT_DEPTH)
glutInitWindowSize(800, 600)
window = glutCreateWindow("")
glutDisplayFunc(DrawGLScene)
InitGL()
DrawGLScene()