1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
import pygame, sys
from pygame.locals import *
import OpenGL
OpenGL.USE_ACCELERATE = False
from OpenGL.GL import *
from OpenGL.GL.EXT.framebuffer_object import *
from OpenGL import error
def draw ():
glClearColor(0.0,0.0,0.0,0.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
#draw stuff here
pygame.display.flip()
def main():
pygame.init()
pygame.display.set_mode((512,512),OPENGL | DOUBLEBUF)
#setup a texture
tex = glGenTextures(1);
glBindTexture(GL_TEXTURE_2D, tex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, 512, 512, 0, GL_RGBA,
GL_UNSIGNED_BYTE, None);
glBindTexture(GL_TEXTURE_2D, 0);
#setup teh fbo
fbo = glGenFramebuffersEXT(1)
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fbo)
glBindTexture(GL_TEXTURE_2D, tex)
#this call produces an error!
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT,
GL_COLOR_ATTACHMENT0_EXT,GL_TEXTURE_2D, tex, 0)
while 1:
event=pygame.event.poll ()
if event.type is QUIT:
sys.exit(0)
draw()
if __name__ == "__main__":
main()
|
