def render_obj(self):
logger.info(' === render === ')
sc = self.scene
if self.do_vbo:
glEnableClientState( GL_VERTEX_ARRAY )
glEnableClientState( GL_NORMAL_ARRAY )
glBindBufferARB( GL_ARRAY_BUFFER_ARB, self.VBO_vertex )
glVertexPointer( 3, GL_FLOAT, 0, None )
if self.do_lighting:
glBindBufferARB( GL_ARRAY_BUFFER_ARB, self.VBO_normal )
glNormalPointer( GL_FLOAT, 0, None )
glDrawArrays( GL_TRIANGLES, 0, self.vbo_array_size )
glDisableClientState( GL_VERTEX_ARRAY )
glDisableClientState( GL_NORMAL_ARRAY )
if self.do_immediate_mode:
glBegin(GL_TRIANGLES)
# Factorisation might be bad for performances
def send_point_to_gl(p):
# Order: texture, normal, points
if False and p.coord_mapping:
glTexCoord2f(*p.coord_mapping)
if p.normal:
glNormal3f(*p.normal)
glVertex3f(*p)
for j in xrange(len(sc.faces)):
t = sc.faces[j]
p1 = sc.points[t[0]]
p2 = sc.points[t[1]]
p3 = sc.points[t[2]]
n = sc.faces_normals[j]
n1 = sc.normals[n[0]]
n2 = sc.normals[n[1]]
n3 = sc.normals[n[2]]
glNormal3f(*n1)
glVertex3f(*p1)
glNormal3f(*n2)
glVertex3f(*p2)
glNormal3f(*n3)
glVertex3f(*p3)
glEnd()
display_normals = False
if display_normals:
if self.normal_dl is not None:
glCallList(self.normal_dl)
else:
self.normal_dl = glGenLists(1)
glNewList(self.normal_dl, GL_COMPILE)
glBegin(GL_LINES)
glColor3f(0.0, 0.0, 1.0)
def draw_normal(p, n):
glVertex3fv(p)
N = map(lambda x, y: x + y, p, n)
glVertex3fv(N)
for j, t in enumerate(sc.faces):
p1 = sc.points[t[0]]
p2 = sc.points[t[1]]
p3 = sc.points[t[2]]
n1 = sc.normals[j][0]
n2 = sc.normals[j][1]
n3 = sc.normals[j][2]
draw_normal(p1, n1)
draw_normal(p2, n2)
draw_normal(p3, n3)
glEnd()
glEndList()
glCallList(self.normal_dl)
def render_obj(self):
logger.info(' === render === ')
sc = self.scene
if self.do_vbo:
glEnableClientState(GL_VERTEX_ARRAY)
glEnableClientState(GL_NORMAL_ARRAY)
glBindBufferARB(GL_ARRAY_BUFFER_ARB, self.VBO_vertex)
glVertexPointer(3, GL_FLOAT, 0, None)
if self.do_lighting:
glBindBufferARB(GL_ARRAY_BUFFER_ARB, self.VBO_normal)
glNormalPointer(GL_FLOAT, 0, None)
glDrawArrays(GL_TRIANGLES, 0, self.vbo_array_size)
glDisableClientState(GL_VERTEX_ARRAY)
glDisableClientState(GL_NORMAL_ARRAY)
if self.do_immediate_mode:
glBegin(GL_TRIANGLES)
# Factorisation might be bad for performances
def send_point_to_gl(p):
# Order: texture, normal, points
if False and p.coord_mapping:
glTexCoord2f(*p.coord_mapping)
if p.normal:
glNormal3f(*p.normal)
glVertex3f(*p)
for j in xrange(len(sc.faces)):
t = sc.faces[j]
p1 = sc.points[t[0]]
p2 = sc.points[t[1]]
p3 = sc.points[t[2]]
n = sc.faces_normals[j]
n1 = sc.normals[n[0]]
n2 = sc.normals[n[1]]
n3 = sc.normals[n[2]]
glNormal3f(*n1)
glVertex3f(*p1)
glNormal3f(*n2)
glVertex3f(*p2)
glNormal3f(*n3)
glVertex3f(*p3)
glEnd()
display_normals = False
if display_normals:
if self.normal_dl is not None:
glCallList(self.normal_dl)
else:
self.normal_dl = glGenLists(1)
glNewList(self.normal_dl, GL_COMPILE)
glBegin(GL_LINES)
glColor3f(0.0, 0.0, 1.0)
def draw_normal(p, n):
glVertex3fv(p)
N = map(lambda x, y: x + y, p, n)
glVertex3fv(N)
for j, t in enumerate(sc.faces):
p1 = sc.points[t[0]]
p2 = sc.points[t[1]]
p3 = sc.points[t[2]]
n1 = sc.normals[j][0]
n2 = sc.normals[j][1]
n3 = sc.normals[j][2]
draw_normal(p1, n1)
draw_normal(p2, n2)
draw_normal(p3, n3)
glEnd()
glEndList()
glCallList(self.normal_dl)
def setup_vbo(self):
glInitVertexBufferObjectARB()
self.VBO_vertex = int(glGenBuffersARB(1)) # Get A Valid Name
self.VBO_normal = int(glGenBuffersARB(1)) # Get A Valid Name
# Load The Data
sc = self.scene
self.vbo_array_size = len(sc.faces) * 3
vertices = Numeric.zeros ( (self.vbo_array_size, 3), 'f')
if self.do_lighting:
normals = Numeric.zeros ( (self.vbo_array_size, 3), 'f')
if not sc.normals:
print 'compute normals'
from geom_ops import compute_normals
sc.normals, sc.faces_normals = compute_normals(sc)
i = 0
for j in xrange(len(sc.faces)):
t = sc.faces[j]
p1 = sc.points[t[0]]
p2 = sc.points[t[1]]
p3 = sc.points[t[2]]
vertices [i, 0] = p1[0]
vertices [i, 1] = p1[1]
vertices [i, 2] = p1[2]
vertices [i+1, 0] = p2[0]
vertices [i+1, 1] = p2[1]
vertices [i+1, 2] = p2[2]
vertices [i+2, 0] = p3[0]
vertices [i+2, 1] = p3[1]
vertices [i+2, 2] = p3[2]
# print p1, p2, p3
if self.do_lighting:
n = sc.faces_normals[j]
n1 = sc.normals[n[0]]
n2 = sc.normals[n[1]]
n3 = sc.normals[n[2]]
normals [i, 0] = n1[0]
normals [i, 1] = n1[1]
normals [i, 2] = n1[2]
normals [i+1, 0] = n2[0]
normals [i+1, 1] = n2[1]
normals [i+1, 2] = n2[2]
normals [i+2, 0] = n3[0]
normals [i+2, 1] = n3[1]
normals [i+2, 2] = n3[2]
i += 3
glBindBufferARB( GL_ARRAY_BUFFER_ARB, self.VBO_vertex )
glBufferDataARB( GL_ARRAY_BUFFER_ARB, vertices, GL_STATIC_DRAW_ARB );
if self.do_lighting:
glBindBufferARB( GL_ARRAY_BUFFER_ARB, self.VBO_normal )
glBufferDataARB( GL_ARRAY_BUFFER_ARB, normals, GL_STATIC_DRAW_ARB );
if self.gpu_info:
print glGetString (GL_VENDOR)
print glGetString (GL_RENDERER)
print glGetString (GL_VERSION)
Extensions = glGetString (GL_EXTENSIONS)
for ext in Extensions.split():
print ext
return self.VBO_vertex, self.VBO_normal
def setup_vbo(self):
glInitVertexBufferObjectARB()
self.VBO_vertex = int(glGenBuffersARB(1)) # Get A Valid Name
self.VBO_normal = int(glGenBuffersARB(1)) # Get A Valid Name
# Load The Data
sc = self.scene
self.vbo_array_size = len(sc.faces) * 3
vertices = Numeric.zeros((self.vbo_array_size, 3), 'f')
if self.do_lighting:
normals = Numeric.zeros((self.vbo_array_size, 3), 'f')
if not sc.normals:
print 'compute normals'
from geom_ops import compute_normals
sc.normals, sc.faces_normals = compute_normals(sc)
i = 0
for j in xrange(len(sc.faces)):
t = sc.faces[j]
p1 = sc.points[t[0]]
p2 = sc.points[t[1]]
p3 = sc.points[t[2]]
vertices[i, 0] = p1[0]
vertices[i, 1] = p1[1]
vertices[i, 2] = p1[2]
vertices[i + 1, 0] = p2[0]
vertices[i + 1, 1] = p2[1]
vertices[i + 1, 2] = p2[2]
vertices[i + 2, 0] = p3[0]
vertices[i + 2, 1] = p3[1]
vertices[i + 2, 2] = p3[2]
# print p1, p2, p3
if self.do_lighting:
n = sc.faces_normals[j]
n1 = sc.normals[n[0]]
n2 = sc.normals[n[1]]
n3 = sc.normals[n[2]]
normals[i, 0] = n1[0]
normals[i, 1] = n1[1]
normals[i, 2] = n1[2]
normals[i + 1, 0] = n2[0]
normals[i + 1, 1] = n2[1]
normals[i + 1, 2] = n2[2]
normals[i + 2, 0] = n3[0]
normals[i + 2, 1] = n3[1]
normals[i + 2, 2] = n3[2]
i += 3
glBindBufferARB(GL_ARRAY_BUFFER_ARB, self.VBO_vertex)
glBufferDataARB(GL_ARRAY_BUFFER_ARB, vertices, GL_STATIC_DRAW_ARB)
if self.do_lighting:
glBindBufferARB(GL_ARRAY_BUFFER_ARB, self.VBO_normal)
glBufferDataARB(GL_ARRAY_BUFFER_ARB, normals, GL_STATIC_DRAW_ARB)
if self.gpu_info:
print glGetString(GL_VENDOR)
print glGetString(GL_RENDERER)
print glGetString(GL_VERSION)
Extensions = glGetString(GL_EXTENSIONS)
for ext in Extensions.split():
print ext
return self.VBO_vertex, self.VBO_normal
