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#! /usr/bin/env python
import unittest, pygame, pygame.display, time, traceback, os, sys
import logging
logging.basicConfig()
try:
from numpy import *
except ImportError, err:
try:
from Numeric import *
except ImportError, err:
array = None
pygame.display.init()
import OpenGL
OpenGL.CONTEXT_CHECKING = True
OpenGL.FORWARD_COMPATIBLE_ONLY = True
from OpenGL.GL import *
try:
glGetError()
except error.NoContext, err:
# good, should have got this error
pass
else:
raise RuntimeError( """Did not catch invalid context!""" )
from OpenGL import constants, error
from OpenGL.GLU import *
from OpenGL.arrays import arraydatatype
import OpenGL
from OpenGL.extensions import alternate
import ctypes
from OpenGL.GL.framebufferobjects import *
from OpenGL.GL.EXT.multi_draw_arrays import *
from OpenGL.GL.ARB.imaging import *
glMultiDrawElements = alternate(
glMultiDrawElementsEXT, glMultiDrawElements,
)
class Tests( unittest.TestCase ):
evaluator_ctrlpoints = [[[ -1.5, -1.5, 4.0], [-0.5, -1.5, 2.0], [0.5, -1.5,
-1.0], [1.5, -1.5, 2.0]], [[-1.5, -0.5, 1.0], [-0.5, -0.5, 3.0], [0.5, -0.5,
0.0], [1.5, -0.5, -1.0]], [[-1.5, 0.5, 4.0], [-0.5, 0.5, 0.0], [0.5, 0.5,
3.0], [1.5, 0.5, 4.0]], [[-1.5, 1.5, -2.0], [-0.5, 1.5, -2.0], [0.5, 1.5,
0.0], [1.5, 1.5, -1.0]]]
width = height = 300
def setUp( self ):
"""Set up the operation"""
self.screen = pygame.display.set_mode(
(self.width,self.height),
pygame.OPENGL | pygame.DOUBLEBUF,
)
pygame.display.set_caption('Testing system')
pygame.key.set_repeat(500,30)
glMatrixMode (GL_PROJECTION)
glLoadIdentity()
gluPerspective(40.0, 300/300, 1.0, 20.0)
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
gluLookAt(
-2,0,3, # eyepoint
0,0,0, # center-of-view
0,1,0, # up-vector
)
glClearColor( 0,0,.25, 0 )
glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT )
def tearDown( self ):
glFlush()
pygame.display.flip()
time.sleep( .25 )
#raw_input( 'Okay? ' )
def test_arrayPointer( self ):
dt = arraydatatype.GLuintArray
d = dt.zeros( (3,))
dp = dt.typedPointer( d )
assert dp[0] == 0
assert dp[1] == 0
assert dp[2] == 0
dp[1] = 1
assert dp[1] == 1
assert d[1] == 1
def test_ctypes_array( self ):
color = (GLfloat * 3)( 0,1,0 )
glColor3fv( color )
if (not OpenGL.ERROR_ON_COPY) or array:
def test_evaluator( self ):
"""Test whether the evaluator functions work"""
glDisable(GL_CULL_FACE)
glEnable(GL_MAP2_VERTEX_3)
glEnable(GL_DEPTH_TEST)
glEnable(GL_NORMALIZE)
if array:
ctrl_points = array( self.evaluator_ctrlpoints,'f')
else:
ctrl_points = self.evaluator_ctrlpoints
glMap2f(GL_MAP2_VERTEX_3, 0, 1, 0, 1, ctrl_points)
glMapGrid2f(20, 0.0, 1.0, 20, 0.0, 1.0)
glShadeModel(GL_FLAT)
glEvalMesh2(GL_FILL, 0, 20, 0, 20)
glTranslatef( 0,0.001, 0 )
glEvalMesh2(GL_POINT, 0, 20, 0, 20)
def test_nurbs_raw( self ):
"""Test nurbs rendering using raw API calls"""
from OpenGL.raw import GLU
knots = (constants.GLfloat* 8) ( 0,0,0,0,1,1,1,1 )
ctlpoints = (constants.GLfloat*(3*4*4))( -3., -3., -3.,
-3., -1., -3.,
-3., 1., -3.,
-3., 3., -3.,
-1., -3., -3.,
-1., -1., 3.,
-1., 1., 3.,
-1., 3., -3.,
1., -3., -3.,
1., -1., 3.,
1., 1., 3.,
1., 3., -3.,
3., -3., -3.,
3., -1., -3.,
3., 1., -3.,
3., 3., -3. )
theNurb = gluNewNurbsRenderer()
GLU.gluBeginSurface(theNurb)
GLU.gluNurbsSurface(
theNurb,
8, ctypes.byref(knots), 8, ctypes.byref(knots),
4 * 3, 3, ctypes.byref( ctlpoints ),
4, 4, GL_MAP2_VERTEX_3
)
GLU.gluEndSurface(theNurb)
if array:
def test_nurbs_raw_arrays( self ):
"""Test nurbs rendering using raw API calls with arrays"""
from OpenGL.raw import GLU
import numpy
knots = numpy.array( ( 0,0,0,0,1,1,1,1 ), 'f' )
ctlpoints = numpy.array( [[[-3., -3., -3.],
[-3., -1., -3.],
[-3., 1., -3.],
[-3., 3., -3.]],
[[-1., -3., -3.],
[-1., -1., 3.],
[-1., 1., 3.],
[-1., 3., -3.]],
[[ 1., -3., -3.],
[ 1., -1., 3.],
[ 1., 1., 3.],
[ 1., 3., -3.]],
[[ 3., -3., -3.],
[ 3., -1., -3.],
[ 3., 1., -3.],
[ 3., 3., -3.]]], 'f' )
theNurb = GLU.gluNewNurbsRenderer()
GLU.gluBeginSurface(theNurb)
GLU.gluNurbsSurface(
theNurb,
8, knots, 8, knots,
4 * 3, 3, ctlpoints ,
4, 4, GL_MAP2_VERTEX_3
)
GLU.gluEndSurface(theNurb)
def test_nurbs( self ):
"""Test nurbs rendering"""
from OpenGL.raw import GLU
def buildControlPoints( ):
ctlpoints = zeros( (4,4,3), 'd')
for u in range( 4 ):
for v in range( 4):
ctlpoints[u][v][0] = 2.0*(u - 1.5)
ctlpoints[u][v][1] = 2.0*(v - 1.5);
if (u == 1 or u ==2) and (v == 1 or v == 2):
ctlpoints[u][v][2] = 3.0;
else:
ctlpoints[u][v][2] = -3.0;
return ctlpoints
controlPoints = buildControlPoints()
theNurb = GLU.gluNewNurbsRenderer()[0]
#theNurb = gluNewNurbsRenderer();
gluNurbsProperty(theNurb, GLU_SAMPLING_TOLERANCE, 25.0);
gluNurbsProperty(theNurb, GLU_DISPLAY_MODE, GLU_FILL);
knots= array ([0.0, 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0], "d")
glPushMatrix();
try:
glRotatef(330.0, 1.,0.,0.);
glScalef (0.5, 0.5, 0.5);
gluBeginSurface(theNurb);
try:
gluNurbsSurface(
theNurb,
knots, knots,
controlPoints,
GL_MAP2_VERTEX_3
);
finally:
gluEndSurface(theNurb);
finally:
glPopMatrix();
def test_errors( self ):
"""Test for error catching/checking"""
try:
glClear( GL_INVALID_VALUE )
except Exception, err:
assert err.err == 1281, ("""Expected invalid value (1281)""", err.err)
else:
raise RuntimeError( """No error on invalid glClear""" )
try:
glColorPointer(GL_INVALID_VALUE,GL_BYTE,0,None)
except Exception, err:
assert err.err == 1281, ("""Expected invalid value (1281)""", err.err)
assert err.baseOperation, err.baseOperation
assert err.pyArgs == (GL_INVALID_VALUE, GL_BYTE, 0, None), err.pyArgs
assert err.cArgs == (GL_INVALID_VALUE, GL_BYTE, 0, None), err.cArgs
else:
raise RuntimeError( """No error on invalid glColorPointer""" )
try:
glBitmap(-1,-1,0,0,0,0,"")
except Exception, err:
assert err.err in (1281,1282), ("""Expected invalid value (1281) or invalid operation (1282)""", err.err)
else:
raise RuntimeError( """No error on invalid glBitmap""" )
def test_quadrics( self ):
"""Test for rendering quadric objects"""
quad = gluNewQuadric()
glColor3f( 1,0, 0 )
gluSphere( quad, 1.0, 16, 16 )
if not OpenGL.ERROR_ON_COPY:
def test_simple( self ):
"""Test for simple vertex-based drawing"""
glDisable( GL_LIGHTING )
glBegin( GL_TRIANGLES )
try:
try:
glVertex3f( 0.,1.,0. )
except Exception, err:
traceback.print_exc()
glVertex3fv( [-1,0,0] )
glVertex3dv( [1,0,0] )
try:
glVertex3dv( [1,0] )
except ValueError, err:
#Got expected value error (good)
pass
else:
raise RuntimeError(
"""Should have raised a value error on passing 2-element array to 3-element function!""",
)
finally:
glEnd()
a = glGenTextures( 1 )
assert a
b = glGenTextures( 2 )
assert len(b) == 2
def test_arbwindowpos( self ):
"""Test the ARB window_pos extension will load if available"""
from OpenGL.GL.ARB.window_pos import glWindowPos2dARB
if glWindowPos2dARB:
glWindowPos2dARB( 0.0, 3.0 )
def test_getstring( self ):
assert glGetString( GL_EXTENSIONS )
if not OpenGL.ERROR_ON_COPY:
def test_pointers( self ):
"""Test that basic pointer functions work"""
vertex = constants.GLdouble * 3
vArray = vertex * 2
glVertexPointerd( [[2,3,4,5],[2,3,4,5]] )
glVertexPointeri( ([2,3,4,5],[2,3,4,5]) )
glVertexPointers( [[2,3,4,5],[2,3,4,5]] )
glVertexPointerd( vArray( vertex(2,3,4),vertex(2,3,4) ) )
myVector = vArray( vertex(2,3,4),vertex(2,3,4) )
glVertexPointer(
3,
GL_DOUBLE,
0,
ctypes.cast( myVector, ctypes.POINTER(constants.GLdouble))
)
repr(glVertexPointerb( [[2,3],[4,5]] ))
glVertexPointerf( [[2,3],[4,5]] )
assert arrays.ArrayDatatype.dataPointer( None ) == None
glVertexPointerf( None )
glNormalPointerd( [[2,3,4],[2,3,4]] )
glNormalPointerd( None )
glTexCoordPointerd( [[2,3,4],[2,3,4]] )
glTexCoordPointerd( None )
glColorPointerd( [[2,3,4],[2,3,4]] )
glColorPointerd( None )
glEdgeFlagPointerb( [0,1,0,0,1,0] )
glEdgeFlagPointerb( None )
glIndexPointerd( [0,1,0,0,1,0] )
glIndexPointerd( None )
glColor4fv( [0,0,0,1] )
# string data-types...
import struct
s = struct.pack( '>iiii', 2,3,4,5 ) * 2
result = glVertexPointer( 4,GL_INT,0,s )
TESS_TEST_SHAPE = [
[191, 0],
[ 191, 1480],
[ 191, 1480],
[ 401, 1480],
[ 401, 1480],
[401, 856],
[401, 856],
[1105, 856],
[1105, 856],
[1105, 1480],
[1105, 1480],
[1315, 1480],
[1315, 1480],
[1315, 0],
[1315, 0],
[1105, 0],
[1105, 0],
[1105, 699],
[1105, 699],
[401, 699],
[401, 699],
[401, 0],
[401, 0],
[191, 0],
[191, 0],
[191, 0],
]
def test_tess(self ):
"""Test that tessellation works"""
glDisable( GL_LIGHTING )
glColor3f( 1,1,1 )
glNormal3f( 0,0,1 )
def begin( *args ):
return glBegin( *args )
def vertex( *args ):
return glVertex3dv( *args )
def end( *args ):
return glEnd( *args )
def combine( coords, vertex_data, weight):
return coords
tobj = gluNewTess()
gluTessCallback(tobj, GLU_TESS_BEGIN, begin);
gluTessCallback(tobj, GLU_TESS_VERTEX, vertex);
gluTessCallback(tobj, GLU_TESS_END, end);
gluTessCallback(tobj, GLU_TESS_COMBINE, combine);
gluTessBeginPolygon(tobj, None);
gluTessBeginContour(tobj);
for (x,y) in self.TESS_TEST_SHAPE:
vert = (x,y,0.0)
gluTessVertex(tobj, vert, vert);
gluTessEndContour(tobj);
gluTessEndPolygon(tobj);
def test_texture( self ):
"""Test texture (requires OpenGLContext and PIL)"""
try:
from OpenGLContext import texture
import Image
from OpenGL.GLUT import glutSolidTeapot
except ImportError, err:
pass
else:
glEnable( GL_TEXTURE_2D )
ourTexture = texture.Texture(
Image.open( 'yingyang.png' )
)
ourTexture()
glEnable( GL_LIGHTING )
glEnable( GL_LIGHT0 )
glBegin( GL_TRIANGLES )
try:
try:
glTexCoord2f( .5, 1 )
glVertex3f( 0.,1.,0. )
except Exception, err:
traceback.print_exc()
glTexCoord2f( 0, 0 )
glVertex3fv( [-1,0,0] )
glTexCoord2f( 1, 0 )
glVertex3dv( [1,0,0] )
try:
glVertex3dv( [1,0] )
except ValueError, err:
#Got expected value error (good)
pass
else:
raise RuntimeError(
"""Should have raised a value error on passing 2-element array to 3-element function!""",
)
finally:
glEnd()
if array:
def test_numpyConversion( self ):
"""Test that we can run a numpy conversion from double to float for glColorArray"""
import numpy
a = numpy.arange( 0,1.2, .1, 'd' ).reshape( (-1,3 ))
glEnableClientState(GL_VERTEX_ARRAY)
try:
glColorPointerf( a )
glColorPointerd( a )
finally:
glDisableClientState( GL_VERTEX_ARRAY )
def test_constantPickle( self ):
"""Test that our constants can be pickled/unpickled properly"""
import pickle, cPickle
for p in pickle,cPickle:
v = p.loads( p.dumps( GL_VERTEX_ARRAY ))
assert v == GL_VERTEX_ARRAY, (v,GL_VERTEX_ARRAY)
assert v.name == GL_VERTEX_ARRAY.name, v.name
if not OpenGL.ERROR_ON_COPY:
def test_copyNonContiguous( self ):
"""Test that a non-contiguous (transposed) array gets applied as a copy"""
glMatrixMode(GL_MODELVIEW)
glPushMatrix( )
try:
import numpy
transf = numpy.identity(4, dtype=numpy.float32)
# some arbitrary transformation...
transf[0,3] = 2.5
transf[2,3] = -80
# what do we get with the un-transposed version...
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
glMultMatrixf(transf)
untransposed = glGetFloatv(GL_MODELVIEW_MATRIX)
# now transposed...
# with a copy it works...
t2 = transf.transpose().copy()
# This doesn't work:
glLoadIdentity()
glMultMatrixf(t2)
# This does work:
#glMultMatrixf(transf.transpose().copy())
transposed = glGetFloatv(GL_MODELVIEW_MATRIX)
assert not numpy.allclose( transposed, untransposed ), (transposed, untransposed)
t2 = transf.transpose()
# This doesn't work:
glLoadIdentity()
glMultMatrixf(t2)
# This does work:
#glMultMatrixf(transf.transpose().copy())
transposed = glGetFloatv(GL_MODELVIEW_MATRIX)
assert not numpy.allclose( transposed, untransposed ), (transposed, untransposed)
finally:
glMatrixMode(GL_MODELVIEW)
glPopMatrix()
def test_nullTexture( self ):
"""Test that we can create null textures"""
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB8, 512, 512, 0, GL_RGB, GL_INT, None)
def test_nonFloatColor( self ):
"""Test that we handle non-floating-point colour inputs"""
for notFloat,shouldWork in ((0,True), (object(),False), (object,False)):
try:
glColor4f( 0,1,1,notFloat )
except Exception, err:
if shouldWork:
raise
else:
if not shouldWork:
raise RuntimeError( """Expected failure for non-float value %s, succeeded"""%( notFloat, ))
someData = [ (0,255,0)]
def test_glAreTexturesResident( self ):
"""Test that PyOpenGL api for glAreTexturesResident is working
Note: not currently working on AMD64 Linux for some reason
"""
import numpy
textures = glGenTextures(2)
residents = []
data = numpy.array( self.someData,'i' )
for texture in textures:
glBindTexture( GL_TEXTURE_2D,int(texture) )
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB8, 1, 1, 0, GL_RGB, GL_INT, data)
residents.append(
glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_RESIDENT )
)
error.glCheckError(None)
result = glAreTexturesResident( textures)
assert len(result) == 2
for (tex,expected,found) in zip( textures, residents, result ):
if expected != found:
print 'Warning: texture %s residence expected %s got %s'%( tex, expected, found )
if OpenGL.ALLOW_NUMPY_SCALARS:
def test_passBackResults( self ):
"""Test ALLOW_NUMPY_SCALARS to allow numpy scalars to be passed in"""
textures = glGenTextures(2)
glBindTexture( GL_TEXTURE_2D, textures[0] )
if array:
def test_arrayTranspose( self ):
import numpy
m = glGetFloatv( GL_MODELVIEW_MATRIX )
glMatrixMode( GL_MODELVIEW )
glLoadIdentity()
t = eye(4)
t[3,0] = 20.0
# the following glMultMatrixf call ignored this transpose
t = t.T
glMultMatrixf( t )
m = glGetFloatv( GL_MODELVIEW_MATRIX )
assert numpy.allclose( m[-1], [0,0,0,1] ), m
def test_glreadpixelsf( self ):
"""Issue #1979002 crash due to mis-calculation of resulting array size"""
width,height = self.width, self.height
readback_image1 = glReadPixelsub(0,0,width,height,GL_RGB)
readback_image2 = glReadPixelsf(0,0,width,height,GL_RGB)
def test_glreadpixels_is_string( self ):
"""Issue #1959860 incompatable change to returning arrays reversed"""
width,height = self.width, self.height
readback_image1 = glReadPixels(0,0,width,height,GL_RGB, GL_UNSIGNED_BYTE)
assert isinstance( readback_image1, str ), type( readback_image1 )
readback_image1 = glReadPixels(0,0,width,height,GL_RGB, GL_BYTE)
assert not isinstance( readback_image1, str ), type(readback_image2)
if array:
def test_glreadpixels_warray( self ):
"""SF#1311265 allow passing in the array object"""
width,height = self.width, self.height
data = zeros( (width,height,3), 'B' )
image1 = glReadPixelsub(0,0,width,height,GL_RGB,array=data)
def test_mmap_data( self ):
"""Test that we can use mmap data array
If we had a reasonable lib that dumped raw image data to a shared-mem file
we might be able to use this for movie display :)
"""
fh = open( 'mmap-test-data.dat', 'w+' )
fh.write( '\000'*(32*32*3+1))
fh.flush()
fh.close()
# using numpy.memmap here...
data = memmap( 'mmap-test-data.dat' )
for i in range( 0,255,2 ):
glDrawPixels( 32,32, GL_RGB, GL_UNSIGNED_BYTE, data, )
glFlush()
pygame.display.flip()
data[::2] = i
time.sleep( 0.001 )
if array:
def test_vbo( self ):
"""Test utility vbo wrapper"""
import numpy
from OpenGL.arrays import vbo
assert vbo.get_implementation()
dt = arraydatatype.GLdoubleArray
array = numpy.array( [
[0,0,0],
[0,1,0],
[1,.5,0],
[1,0,0],
[1.5,.5,0],
[1.5,0,0],
], dtype='d')
indices = numpy.array(
range(len(array)),
'i',
)
d = vbo.VBO(array)
glDisable( GL_CULL_FACE )
glNormal3f( 0,0,1 )
glColor3f( 1,1,1 )
glEnableClientState(GL_VERTEX_ARRAY)
try:
for x in range( 1, 255, 10 ):
d.bind()
try:
glVertexPointerd( d )
glDrawElements( GL_LINE_LOOP, len(indices), GL_UNSIGNED_INT, indices )
finally:
d.unbind()
lastPoint = numpy.array( [[1.5,(1/255.) * float(x),0]] )
d[-2:-1] = lastPoint
glFlush()
pygame.display.flip()
glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT )
time.sleep( 0.001 )
finally:
glDisableClientState( GL_VERTEX_ARRAY )
# bug report from Dan Helfman, delete shouldn't cause
# errors if called explicitly
d.delete()
def test_fbo( self ):
"""Test that we support framebuffer objects
http://www.gamedev.net/reference/articles/article2331.asp
"""
if not glGenFramebuffers:
return False
width = height = 128
fbo = glGenFramebuffers(1)
glBindFramebuffer(GL_FRAMEBUFFER, fbo)
depthbuffer = glGenRenderbuffers(1 )
glBindRenderbuffer(GL_RENDERBUFFER, depthbuffer)
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT24, width, height)
glFramebufferRenderbuffer(
GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER,
depthbuffer
)
img = glGenTextures(1)
glBindTexture(GL_TEXTURE_2D, img)
# NOTE: these lines are *key*, without them you'll likely get an unsupported format error,
# ie. GL_FRAMEBUFFER_UNSUPPORTED
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
glTexImage2D(
GL_TEXTURE_2D, 0, GL_RGB8,
width, height, 0, GL_RGB,
GL_INT,
None # no data transferred
)
glFramebufferTexture2D(
GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
img,
0 # mipmap level, normally 0
)
status = glCheckFramebufferStatus(GL_FRAMEBUFFER)
assert status == GL_FRAMEBUFFER_COMPLETE, status
glBindFramebuffer(GL_FRAMEBUFFER, fbo)
glPushAttrib(GL_VIEWPORT_BIT) # viewport is shared with the main context
try:
glViewport(0,0,width, height)
# rendering to the texture here...
glColor3f( 1,0,0 )
glNormal3f( 0,0,1 )
glBegin( GL_QUADS )
for v in [[0,0,0],[0,1,0],[1,1,0],[1,0,0]]:
glColor3f( *v )
glVertex3d( *v )
glEnd()
finally:
glPopAttrib(); # restore viewport
glBindFramebuffer(GL_FRAMEBUFFER, 0) # unbind
glBindTexture(GL_TEXTURE_2D, img)
glEnable( GL_TEXTURE_2D )
# rendering with the texture here...
glColor3f( 1,1,1 )
glNormal3f( 0,0,1 )
glDisable( GL_LIGHTING )
glBegin( GL_QUADS )
try:
for v in [[0,0,0],[0,1,0],[1,1,0],[1,0,0]]:
glTexCoord2f( *v[:2] )
glVertex3d( *v )
finally:
glEnd()
def test_gl_1_2_support( self ):
if glBlendColor:
glBlendColor( .3, .4, 1.0, .3 )
print 'OpenGL 1.2 support'
if array:
def test_glmultidraw( self ):
"""Test that glMultiDrawElements works, uses glDrawElements"""
if glMultiDrawElements:
points = array([
(i,0,0) for i in range( 8 )
] + [
(i,1,0) for i in range( 8 )
], 'd')
indices = array([
[0,8,9,1, 2,10,11,3,],
[4,12,13,5,6,14,15,7],
],'B')
counts = [ len(x) for x in indices ]
glEnableClientState( GL_VERTEX_ARRAY )
glDisableClientState( GL_COLOR_ARRAY )
glDisableClientState( GL_NORMAL_ARRAY )
try:
glVertexPointerd( points )
glDisable( GL_LIGHTING )
try:
glMultiDrawElements(GL_QUAD_STRIP, counts, GL_UNSIGNED_BYTE, indices, 2)
finally:
glEnable( GL_LIGHTING )
finally:
glDisableClientState( GL_VERTEX_ARRAY )
else:
print 'No multi_draw_arrays support'
def test_glDrawBuffers_list( self ):
"""Test that glDrawBuffers with list argument doesn't crash"""
a_type = constants.GLenum*2
args = a_type(
GL_COLOR_ATTACHMENT0,
GL_COLOR_ATTACHMENT1,
)
try:
glDrawBuffers( 2, args )
except GLError, err:
assert err.err == GL_INVALID_OPERATION, err
def test_glDrawBuffers_list_valid( self ):
"""Test that glDrawBuffers with list argument where value is set"""
previous = glGetIntegerv( GL_READ_BUFFER )
fbo = glGenFramebuffers(1)
glBindFramebuffer(GL_FRAMEBUFFER, fbo)
try:
img1,img2 = glGenTextures(2)
for img in img1,img2:
glBindTexture( GL_TEXTURE_2D, img )
glTexImage2D(
GL_TEXTURE_2D, 0, GL_RGB8,
300, 300, 0, GL_RGB,
GL_INT,
None # no data transferred
)
glFramebufferTexture2D(
GL_FRAMEBUFFER,
GL_COLOR_ATTACHMENT0,
GL_TEXTURE_2D, img1, 0
)
glFramebufferTexture2D(
GL_FRAMEBUFFER,
GL_COLOR_ATTACHMENT1,
GL_TEXTURE_2D, img2, 0
)
a_type = constants.GLenum*2
drawingBuffers = a_type(
GL_COLOR_ATTACHMENT0,
GL_COLOR_ATTACHMENT1,
)
glDrawBuffers(2, drawingBuffers )
try:
checkFramebufferStatus()
except error.GLError, err:
pass
else:
glReadBuffer( GL_COLOR_ATTACHMENT1 )
pixels = glReadPixels( 0,0, 10,10, GL_RGB, GL_UNSIGNED_BYTE )
assert len(pixels) == 300, len(pixels)
finally:
glBindFramebuffer( GL_FRAMEBUFFER, 0 )
glReadBuffer( previous )
def test_enable_histogram( self ):
if glInitImagingARB():
glHistogram(GL_HISTOGRAM, 256, GL_LUMINANCE, GL_FALSE)
glEnable( GL_HISTOGRAM )
glDisable( GL_HISTOGRAM )
else:
print 'No ARB imaging extension'
if not OpenGL.ERROR_ON_COPY:
def test_gluNurbsCurve( self ):
"""Test that gluNurbsCurve raises error on invalid arguments"""
nurb = gluNewNurbsRenderer()
gluBeginCurve( nurb )
self.failUnlessRaises( error.GLUerror,
gluNurbsCurve,
nurb,
[0, 1.0],
[[0,0,0],[1,0,0],[1,1,0]],
GL_MAP1_VERTEX_3,
)
self.failUnlessRaises( error.GLUerror,
gluNurbsCurve,
nurb,
[],
[[0,0,0],[1,0,0],[1,1,0]],
GL_MAP1_VERTEX_3,
)
self.failUnlessRaises( error.GLUerror,
gluNurbsCurve,
nurb,
[],
[],
GL_MAP1_VERTEX_3,
)
def test_get_version( self ):
from OpenGL.extensions import getGLVersion
version = getGLVersion()
if version >= [2,0]:
assert glShaderSource
assert glUniform1f
else:
assert not glShaderSource
assert not glUniform1f
def test_tess_collection( self ):
"""SF#2354596 tessellation combine results collected"""
def tessvertex(vertex_data, polygon_data):
polygon_data.append(vertex_data)
def tesscombine(coords, vertex_data, weight):
return (True,coords) # generated vertices marked as True
def tessedge(flag):
pass # dummy
collected=[] # collect triangle vertices
# set up tessellator in CSG intersection mode
tess=gluNewTess()
gluTessProperty(tess, GLU_TESS_WINDING_RULE, GLU_TESS_WINDING_ABS_GEQ_TWO)
gluTessCallback(tess, GLU_TESS_VERTEX_DATA, tessvertex)
gluTessCallback(tess, GLU_TESS_COMBINE, tesscombine)
gluTessCallback(tess, GLU_TESS_EDGE_FLAG, tessedge) # no strips
gluTessBeginPolygon(tess, collected)
# First square
gluTessBeginContour(tess)
gluTessVertex(tess, [-1,0,-1], (False,[-1,0,-1]))
gluTessVertex(tess, [ 1,0,-1], (False,[ 1,0,-1]))
gluTessVertex(tess, [ 1,0, 1], (False,[ 1,0, 1]))
gluTessVertex(tess, [-1,0, 1], (False,[-1,0, 1]))
gluTessEndContour(tess)
# Second square, intersects with first
gluTessBeginContour(tess)
gluTessVertex(tess, [0.5,0,-0.5], (False,[0.5,0,-0.5]))
gluTessVertex(tess, [1.5,0,-0.5], (False,[1.5,0,-0.5]))
gluTessVertex(tess, [1.5,0, 0.5], (False,[1.5,0, 0.5]))
gluTessVertex(tess, [0.5,0, 0.5], (False,[0.5,0, 0.5]))
gluTessEndContour(tess)
gluTessEndPolygon(tess)
# Show collected triangle vertices :-
# Original input vertices are marked as False.
# Vertices generated in combine callback are marked as True.
assert collected
def test_get_boolean_bitmap( self ):
# should not raise error
value = glGetBoolean(GL_TEXTURE_2D)
if array:
def test_draw_bitmap_pixels( self ):
"""SF#2152623 Drawing pixels as bitmaps (bits)"""
pixels = array([0,0,0,0,0,0,0,0],'B')
glDrawPixels( 8,8, GL_COLOR_INDEX, GL_BITMAP, pixels )
def test_glCallLists_twice2( self ):
"""SF#2829309 report that glCallLists doubles operation"""
glRenderMode (GL_RENDER)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
gluPerspective(40.0, 1.0, 1.0, 10.0)
glMatrixMode (GL_MODELVIEW)
glLoadIdentity ()
glTranslatef (0, 0, -3)
first = glGenLists( 2 )
second = first+1
glNewList(first, GL_COMPILE_AND_EXECUTE)
glInitNames ()
glCallLists([second]) # replace with gCallList(2)
#glCallList(second)
glEndList ()
glNewList(second, GL_COMPILE)
glPushName (1)
glBegin (GL_POINTS)
glVertex3f (0, 0, 0)
glEnd ()
glEndList ()
glCallList( second )
glPopName()
depth = glGetIntegerv( GL_NAME_STACK_DEPTH )
assert depth == (0,), depth # have popped, but even then, were' not in the mode...
glSelectBuffer (100)
glRenderMode (GL_SELECT)
glCallList(1)
depth = glGetIntegerv( GL_NAME_STACK_DEPTH )
assert depth == (1,), depth # should have a single record
glPopName()
records = glRenderMode (GL_RENDER)
# reporter says sees two records, Linux sees none, Win32 sees 1 :(
assert len(records) == 1, records
def test_get_max_tex_units( self ):
"""SF#2895081 glGetIntegerv( GL_MAX_TEXTURE_IMAGE_UNITS )"""
units = glGetIntegerv( GL_MAX_TEXTURE_IMAGE_UNITS )
if __name__ == "__main__":
unittest.main()
pygame.display.quit()
pygame.quit()
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