I don't have a problem creating and applying square textures, using
windows10 python36 and latest pyglet
but following tutorials to apply 'tarnish' size 512 x 256 I get an access
violation.
Here is th stripped-down code:
#!/usr/bin/env python
import pyglet
from pyglet.gl
import *
from pyglet import window, image, resource
from pyglet.window import key
from random import randint
from math import cos, sin
from glframe import GLFrame
from fakeglut import glutSolidSphere
from gltools import gltDrawSphere
from math3d import M3DMatrix44f, m3dInvertMatrix44
frameCamera = GLFrame()
class MainWindow(window.Window):
def __init__(self, *args, **kwargs):
window.Window.__init__(self, *args, **kwargs)
# Cull backs of polygons
glCullFace(GL_BACK)
glFrontFace(GL_CCW)
glEnable(GL_CULL_FACE)
glEnable(GL_DEPTH_TEST)
# get tarnish texture object as texture unit 0
glActiveTexture(GL_TEXTURE0)
glEnable(GL_TEXTURE_2D)
img = image.load('Assets/tarnish.jpg')
print('set tarnish
texture',(img.width,img.height),img.pitch,type(img))
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, img.width, img.height, 0,
GL_RGBA,
GL_UNSIGNED_BYTE, img.get_data('RGBA', img.pitch))
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
GL_LINEAR_MIPMAP_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE)
glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE)
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE)
which produces:
set tarnish texture (512, 256) -1536 <class 'pyglet.image.ImageData'>
Traceback (most recent call last):
File "C:\Python\Python36\Dhruve and me\Pyglet\github_tarnish.py", line
105, in <module>
w = MainWindow(800, 600, caption='OpenGL Cube Maps Camera:Arrow keys',
resizable=True)
File "C:\Python\Python36\Dhruve and me\Pyglet\github_tarnish.py", line
30, in __init__
GL_UNSIGNED_BYTE, img.get_data('RGBA', img.pitch))
OSError: exception: access violation reading 0x00000234EA147000
>>>.
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