def display():
'''
Objekte rendern
'''
global scale, center, points, vbo
# Clear framebuffer
glClear(GL_COLOR_BUFFER_BIT)
# Render Color
glColor(1.0, 1.0, 1.0)
# Reset modelview matrix
glLoadIdentity()
# Rotate
glRotate(rotateX, 1, 0, 0)
glRotate(rotateY, 0, 1, 0)
glRotate(rotateZ, 0, 0, 1)
# Scale
glScale(scale, scale, scale)
# move to center
glTranslatef(-center[0], -center[1], -center[2])
# load points
vbo.bind()
glVertexPointerf(vbo)
glEnableClientState(GL_VERTEX_ARRAY)
glDrawArrays(GL_POINTS, 0, len(points))
vbo.unbind()
glDisableClientState(GL_VERTEX_ARRAY)
#swap buffer
glutSwapBuffers()
def Render( self, mode):
"""Render the geometry for the scene."""
if not mode.visible:
return
final_matrix = dot( self.perspective, self.matrix )
print('final_matrix:\n%s'%(final_matrix))
print('transformed:\n%s'%( dot( self.coord_mult, final_matrix )))
self.glslObject.getVariable( 'transform' ).value = final_matrix
token = self.glslObject.render( mode )
tokens = []
vbo = self.indices.bind(mode)
try:
for attribute in self.attributes:
token = attribute.render( self.glslObject, mode )
if token:
tokens.append( (attribute, token) )
glDrawElements(
GL_TRIANGLES, 3,
GL_UNSIGNED_INT, vbo
)
finally:
for attribute,token in tokens:
attribute.renderPost( self.glslObject, mode, token )
self.glslObject.renderPost( token, mode )
'''The index-array VBO also needs to be unbound.'''
vbo.unbind()
def Render( self, mode = None):
"""Render the geometry for the scene."""
if not mode.visible:
return
for i,light in enumerate( self.lights ):
self.LIGHTS[i] = self.lightAsArray( light )
self.glslObject.getVariable( 'lights' ).value = self.LIGHTS
for key,value in self.materialFromAppearance(
self.appearance, mode
).items():
self.glslObject.getVariable( key ).value = value
token = self.glslObject.render( mode )
tokens = [ ]
try:
vbo = self.indices.bind(mode)
for attribute in self.attributes:
token = attribute.render( self.glslObject, mode )
if token:
tokens.append( (attribute, token) )
'''The final parameter to glDrawElementsInstanced simply tells the
GL how many instances to generate. gl_InstanceIDARB values will be
generated for range( instance_count ) instances.'''
glDrawElementsInstanced(
GL_TRIANGLES, self.count,
GL_UNSIGNED_INT, vbo,
len(self.offset_array), # number of instances to draw...
)
finally:
for attribute,token in tokens:
attribute.renderPost( self.glslObject, mode, token )
self.glslObject.renderPost( token, mode )
vbo.unbind()
def recursive_render(self, node, shader):
for mesh in node.meshes:
stride = 32
diffuse = mesh.material.properties["diffuse"]
if len(diffuse) == 3: diffuse.append(1.0)
ambient = mesh.material.properties["ambient"]
if len(ambient) == 3: ambient.append(1.0)
specular = mesh.material.properties["specular"]
if len(specular) == 3: specular.append(1.0)
shininess = mesh.material.properties["shininess"]
Material_diffuse = glGetUniformLocation(shader,"Material_diffuse")
Material_ambient = glGetUniformLocation(shader,"Material_ambient")
Material_specular = glGetUniformLocation(shader,"Material_specular")
Material_shininess = glGetUniformLocation(shader, "shininess")
glUniform4f(Material_diffuse, *diffuse)
glUniform4f(Material_ambient, *ambient)
glUniform4f(Material_specular, *specular)
glUniform1f(Material_shininess, shininess)
vbo = mesh.gl["vbo"]
vbo.bind()
glEnableVertexAttribArray(1);
glEnableVertexAttribArray(2);
glEnableVertexAttribArray(3);
glVertexAttribPointer(1, 3, GL_FLOAT, False, stride, vbo )
glVertexAttribPointer(2, 3, GL_FLOAT, False, stride, vbo + 12 )
glVertexAttribPointer(3, 2, GL_FLOAT, False, stride, vbo + 24 )
if(('file', 1L) in mesh.material.properties):
file_name = mesh.material.properties[('file', 1L)]
texture_gl_id = (self.texture_files[file_name])[1]
texture_slot = glGetUniformLocation(shader, "texture");
glBindTexture(GL_TEXTURE_2D, texture_gl_id)
glUniform1i(texture_slot, texture_gl_id-1)
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mesh.gl["faces"])
glDrawElements(GL_TRIANGLES, len(mesh.faces) * 3, GL_UNSIGNED_INT, None)
vbo.unbind();
glDisableVertexAttribArray(1)
glDisableVertexAttribArray(2)
glDisableVertexAttribArray(3)
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0)
glBindTexture(GL_TEXTURE_2D, 0)
for child in node.children:
self.recursive_render(child, shader)
def recursive_render(self, node, shader):
""" Main recursive rendering method.
"""
# save model matrix and apply node transformation
glPushMatrix()
m = node.transformation.transpose() # OpenGL row major
glMultMatrixf(m)
for mesh in node.meshes:
stride = 24 # 6 * 4 bytes
diffuse = mesh.material.properties["diffuse"]
if len(diffuse) == 3: diffuse.append(1.0)
ambient = mesh.material.properties["ambient"]
if len(ambient) == 3: ambient.append(1.0)
glUniform4f( shader.Material_diffuse, *diffuse )
glUniform4f( shader.Material_ambient, *ambient )
vbo = mesh.gl["vbo"]
vbo.bind()
glEnableVertexAttribArray( shader.Vertex_position )
glEnableVertexAttribArray( shader.Vertex_normal )
glVertexAttribPointer(
shader.Vertex_position,
3, GL_FLOAT,False, stride, vbo
)
glVertexAttribPointer(
shader.Vertex_normal,
3, GL_FLOAT,False, stride, vbo+12
)
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mesh.gl["faces"])
glDrawElements(GL_TRIANGLES, len(mesh.faces) * 3, GL_UNSIGNED_INT, None)
vbo.unbind()
glDisableVertexAttribArray( shader.Vertex_position )
glDisableVertexAttribArray( shader.Vertex_normal )
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0)
for child in node.children:
self.recursive_render(child, shader)
glPopMatrix()
def recursive_render(self, node, shader):
""" Main recursive rendering method.
"""
try:
m = get_world_transform(self.scene, node)
except AttributeError:
#probably a new incoming node, that has not yet been converted to numpy
self.glize(node)
m = get_world_transform(self.scene, node)
if node.type == MESH:
# if the node has been recently turned into a mesh, we might not
# have the mesh data yet.
if not hasattr(node, "glmeshes"):
self.glize(node)
for id in node.glmeshes:
stride = 12 # 3 * 4 bytes
colorid = self.node2colorid[node]
r,g,b= self.get_rgb_from_colorid(colorid)
glUniform4f( shader.u_materialDiffuse, r/255.0,g/255.0,b/255.0,1.0 )
glUniformMatrix4fv( shader.u_modelMatrix, 1, GL_TRUE, m )
vbo = self.meshes[id]["vbo"]
vbo.bind()
glEnableVertexAttribArray( shader.a_vertex )
glVertexAttribPointer(
shader.a_vertex,
3, GL_FLOAT,False, stride, vbo
)
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, self.meshes[id]["faces"])
glDrawElements(GL_TRIANGLES, self.meshes[id]["nbfaces"] * 3, GL_UNSIGNED_INT, None)
vbo.unbind()
glDisableVertexAttribArray( shader.a_vertex )
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0)
for child in node.children:
try:
self.recursive_render(self.scene.nodes[child], shader)
except KeyError as ke:
logger.warning("Node ID %s listed as child of %s, but it"
" does not exist! Skipping it" % (child, repr(node)))
def display():
global vbo
glClear(GL_COLOR_BUFFER_BIT)
glColor3f(0.75, 0.75, 0.75)
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE)
vbo.bind()
glVertexPointerf(vbo)
glEnableClientState(GL_VERTEX_ARRAY)
glDrawArrays(GL_TRIANGLE_STRIP, 0, 16)
vbo.unbind()
glDisableClientState(GL_VERTEX_ARRAY)
glFlush()
def render( self, shader, mode, index ):
"""Bind the actual uniform value"""
location = shader.getLocation( mode, self.name, uniform=True )
if location is not None and location != -1:
value = self.currentValue( shader, mode )
if value:
self.baseFunction( location, index )
glActiveTexture( GL_TEXTURE0 + index )
glBindTexture( GL_TEXTURE_BUFFER, self.texture( mode ) )
vbo = value.vbo(mode)
vbo.bind()
try:
glTexBuffer( GL_TEXTURE_BUFFER, self.get_format(), int(vbo) )
finally:
vbo.unbind()
return True
return False
def draw():
glDisable(GL_CULL_FACE)
for mtl, (vbo, vbo_count) in vbos.iteritems():
mtl.apply()
vbo.bind()
glEnableClientState(GL_VERTEX_ARRAY)
glEnableClientState(GL_NORMAL_ARRAY)
glEnableClientState(GL_TEXTURE_COORD_ARRAY)
glVertexPointer(3, GL_FLOAT, 36, vbo)
glNormalPointer(GL_FLOAT, 36, vbo + 12)
glTexCoordPointer(3, GL_FLOAT, 36, vbo + 24)
glDrawArrays(GL_TRIANGLES, 0, vbo_count)
glDisableClientState(GL_VERTEX_ARRAY)
glDisableClientState(GL_NORMAL_ARRAY)
glDisableClientState(GL_TEXTURE_COORD_ARRAY)
vbo.unbind()
glEnable(GL_CULL_FACE)
def display():
""" Render all objects"""
glClear(GL_COLOR_BUFFER_BIT) # clear screen
glColor(0.0, 0.0, 1.0) # render stuff
glLoadIdentity()
glRotate(angleX, 1, 0, 0)
glRotate(angleY, 0, 1, 0)
glRotate(angleZ, 0, 0, 1)
glScale(scale, scale, scale)
glTranslatef(-center[0], -center[1], -center[2])
glMultMatrixf(actOri * rotate(angle, axis))
vbo.bind()
glVertexPointerf(vbo)
glEnableClientState(GL_VERTEX_ARRAY)
glDrawArrays(GL_POINTS, 0, len(points))
vbo.unbind()
glDisableClientState(GL_VERTEX_ARRAY)
glutSwapBuffers() # swap buffer
def display():
#print center
""" Render all objects"""
glClear(GL_COLOR_BUFFER_BIT) # clear screen
glColor(color[0], color[1], color[2]) # render stuff
glLoadIdentity()
glTranslate(newX, newY, 0.0)
glMultMatrixf(actOri * rotate(angle, axis))
glScale(scale, scale, scale)
glTranslate(-center[0], -center[1], -center[2])
vbo.bind()
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE)
glVertexPointerf(vbo)
glEnableClientState(GL_VERTEX_ARRAY)
glDrawArrays(GL_TRIANGLES, 0, len(points))
vbo.unbind()
glDisableClientState(GL_VERTEX_ARRAY)
glutSwapBuffers() # swap buffer
def unbind(self, mode):
"""Unbind the vbo"""
vbo = self.vbo(mode)
vbo.unbind()
return vbo
def renderPost(self, mode, shader, token=None):
if token:
vbo, location = token
vbo.unbind()
glDisableVertexAttribArray(location)
def recursive_render(self, node, kwargs):
# Main recursive rendering method.
# save model matrix and apply node transformation
glPushMatrix()
m = node.transformation.transpose() # OpenGL row major
glMultMatrixf(m)
for mesh in node.meshes:
if mesh.gl["texture"]:
stride = 36 # 9 * 4 bytes
shader = GLModel.shaders["tex"]
glUseProgram(shader)
glBindTexture(GL_TEXTURE_2D, mesh.gl["texture"])
glEnableVertexAttribArray(shader.Vertex_position)
glEnableVertexAttribArray(shader.Vertex_texcoords)
vbo = mesh.gl["vbo"]
vbo.bind()
glVertexAttribPointer(shader.Vertex_position, 3, GL_FLOAT,
False, stride, vbo)
glVertexAttribPointer(shader.Vertex_texcoords, 3, GL_FLOAT,
False, stride, vbo + 24)
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mesh.gl["faces"])
glDrawElements(GL_TRIANGLES,
len(mesh.faces) * 3, GL_UNSIGNED_INT, None)
vbo.unbind()
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0)
glDisableVertexAttribArray(shader.Vertex_position)
glDisableVertexAttribArray(shader.Vertex_texcoords)
glBindTexture(GL_TEXTURE_2D, 0)
else:
stride = 24 # 6 * 4 bytes
shader = GLModel.shaders["color"]
glUseProgram(shader)
diffuse = mesh.material.properties["diffuse"]
if len(diffuse) == 3: diffuse.append(1.0)
glUniform4f(shader.Material_diffuse, *diffuse)
ambient = mesh.material.properties["ambient"]
if len(ambient) == 3: ambient.append(1.0)
glUniform4f(shader.Material_ambient, *ambient)
glEnableVertexAttribArray(shader.Vertex_position)
glEnableVertexAttribArray(shader.Vertex_normal)
vbo = mesh.gl["vbo"]
vbo.bind()
glVertexAttribPointer(shader.Vertex_position, 3, GL_FLOAT,
False, stride, vbo)
glVertexAttribPointer(shader.Vertex_normal, 3, GL_FLOAT, False,
stride, vbo + 12)
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mesh.gl["faces"])
glDrawElements(GL_TRIANGLES,
len(mesh.faces) * 3, GL_UNSIGNED_INT, None)
vbo.unbind()
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0)
glDisableVertexAttribArray(shader.Vertex_position)
glDisableVertexAttribArray(shader.Vertex_normal)
glBindTexture(GL_TEXTURE_2D, 0)
for child in node.children:
self.recursive_render(child, kwargs)
glPopMatrix()
def recursive_render(self, node, shader, mode=BASE, with_normals=True):
""" Main recursive rendering method.
"""
normals = with_normals
if mode == COLORS:
normals = False
if not hasattr(node, "selected"):
node.selected = False
m = get_world_transform(self.scene, node)
# HELPERS mode
###
if mode == HELPERS:
# if node.type == ENTITY:
self.render_axis(m,
label=node.name if node != self.scene.rootnode else None,
selected=node.selected if hasattr(node, "selected") else False)
if node.type == CAMERA:
self.render_camera(node, m)
for child in node.children:
self.recursive_render(child, shader, mode)
return
# Mesh rendering modes
###
if node.type == MESH:
for mesh in node.meshes:
stride = 24 # 6 * 4 bytes
if node.selected and mode == SILHOUETTE:
glUniform4f(shader.u_materialDiffuse, 1.0, 0.0, 0.0, 1.0)
glUniformMatrix4fv(shader.u_modelViewMatrix, 1, GL_TRUE,
numpy.dot(self.view_matrix, m))
else:
if mode == COLORS:
colorid = self.node2colorid[node.name]
r, g, b = self.get_rgb_from_colorid(colorid)
glUniform4f(shader.u_materialDiffuse, r / 255.0, g / 255.0, b / 255.0, 1.0)
elif mode == SILHOUETTE:
glUniform4f(shader.u_materialDiffuse, .0, .0, .0, 1.0)
else:
if node.selected:
diffuse = (1.0, 0.0, 0.0, 1.0) # selected nodes in red
else:
global part1ChangeIndex, part2ChangeIndex, part3ChangeIndex, part4ChangeIndex,\
part5ChangeIndex, tIndex, temperature, Tmin, Tmax, nt, diffuse1
# diffuse = mesh.material.properties["diffuse"]
if tIndex < nt:
if node.name == "Part1":
part1ChangeIndex = 1
diffuse1[0] = (temperature[tIndex][0]-Tmin)/(Tmax - Tmin)
diffuse1[1] = (temperature[tIndex][0]-Tmin)/(Tmax - Tmin)
diffuse1[2] = (temperature[tIndex][0]-Tmin)/(Tmax - Tmin)
# print("Part1:",temperature[tIndex][0])
elif node.name == "Part2":
part2ChangeIndex = 1
diffuse2[0] = (temperature[tIndex][1]-Tmin) / (Tmax-Tmin)
diffuse2[1] = (temperature[tIndex][1]-Tmin) / (Tmax-Tmin)
diffuse2[2] = (temperature[tIndex][1]-Tmin) / (Tmax-Tmin)
# print("Part2:",temperature[tIndex][1])
elif node.name == "Part3":
part3ChangeIndex = 1
diffuse3[0] = (temperature[tIndex][2]-Tmin) / (Tmax-Tmin)
diffuse3[1] = (temperature[tIndex][2]-Tmin) / (Tmax-Tmin)
diffuse3[2] = (temperature[tIndex][2]-Tmin) / (Tmax-Tmin)
# print("Part3:", temperature[tIndex][2])
elif node.name == "Part4":
part4ChangeIndex = 1
diffuse4[0] = (temperature[tIndex][3]-Tmin) / (Tmax-Tmin)
diffuse4[1] = (temperature[tIndex][3]-Tmin) / (Tmax-Tmin)
diffuse4[2] = (temperature[tIndex][3]-Tmin) / (Tmax-Tmin)
# print("Part4:", temperature[tIndex][3])
else:
part5ChangeIndex = 1
diffuse5[0] = (temperature[tIndex][4]-Tmin) / (Tmax-Tmin)
diffuse5[1] = (temperature[tIndex][4]-Tmin) / (Tmax-Tmin)
diffuse5[2] = (temperature[tIndex][4]-Tmin) / (Tmax-Tmin)
# print("Part5:", temperature[tIndex][1])
if part1ChangeIndex==1 and part2ChangeIndex==1 and part3ChangeIndex==1 and part4ChangeIndex==1 \
and part5ChangeIndex==1:
part1ChangeIndex=0
part2ChangeIndex=0
part3ChangeIndex=0
part4ChangeIndex=0
part5ChangeIndex=0
print("Part1:", temperature[tIndex][0]," Part2:", temperature[tIndex][1]," Part3:", temperature[tIndex][2]," Part4:", temperature[tIndex][3]," Part5:", temperature[tIndex][4])
tIndex+=1
if node.name == "Part1":
diffuse = diffuse1
elif node.name == "Part2":
diffuse = diffuse2
elif node.name == "Part3":
diffuse = diffuse3
elif node.name == "Part4":
diffuse = diffuse4
else:
diffuse = diffuse5
if len(diffuse) == 3: # RGB instead of expected RGBA
diffuse.append(1.0)
glUniform4f(shader.u_materialDiffuse, *diffuse)
# if ambient:
# glUniform4f( shader.Material_ambient, *mat["ambient"] )
if mode == BASE: # not in COLORS or SILHOUETTE
normal_matrix = linalg.inv(numpy.dot(self.view_matrix, m)[0:3, 0:3]).transpose()
# glUniformMatrix3fv(shader.u_normalMatrix, 1, GL_TRUE, normal_matrix)
glUniformMatrix4fv(shader.u_modelMatrix, 1, GL_TRUE, m)
vbo = mesh.gl["vbo"]
vbo.bind()
glEnableVertexAttribArray(shader.a_vertex)
# if normals:
# glEnableVertexAttribArray(shader.a_normal)
glVertexAttribPointer(
shader.a_vertex,
3, GL_FLOAT, False, stride, vbo
)
# if normals:
# glVertexAttribPointer(
# shader.a_normal,
# 3, GL_FLOAT, False, stride, vbo + 12
# )
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mesh.gl["faces"])
glDrawElements(GL_TRIANGLES, mesh.gl["nbfaces"] * 3, GL_UNSIGNED_INT, None)
vbo.unbind()
glDisableVertexAttribArray(shader.a_vertex)
# if normals:
# glDisableVertexAttribArray(shader.a_normal)
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0)
# self.DrawCircle(8, 100, False)
for child in node.children:
self.recursive_render(child, shader, mode)
def display():
'''
Display of object
'''
global scaleFactor, center, vbo, actOri, angle, axis, data, newXPos, newYPos, zoomFactor, shadow, lightPos, wire, light
# set color
glColor(current_color)
glMatrixMode(GL_MODELVIEW)
# Clear framebuffer
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
# Reset modelview matrix
glLoadIdentity()
# set to solid view
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL)
if light:
glEnable(GL_LIGHTING)
glEnable(GL_LIGHT0)
glEnable(GL_DEPTH_TEST)
glEnable(GL_COLOR_MATERIAL)
glEnable(GL_DEPTH_TEST)
glEnable(GL_NORMALIZE)
glLightfv(GL_LIGHT0, GL_POSITION,
[lightPos[0], lightPos[1], lightPos[2], 0.0])
else:
glDisable(GL_LIGHTING)
vbo.bind()
glEnableClientState(GL_VERTEX_ARRAY)
glEnableClientState(GL_NORMAL_ARRAY)
glVertexPointer(3, GL_FLOAT, 24, vbo)
glNormalPointer(GL_FLOAT, 24, vbo + 12)
# Translate
#print(newXPos, newYPos)
glTranslate(newXPos, newYPos, 0.0)
# Rotate
glMultMatrixf(actOri * rotate(angle, axis))
# Scale
glScale(scaleFactor, scaleFactor, scaleFactor)
glDrawArrays(GL_TRIANGLES, 0, len(data))
if shadow:
glDisable(GL_LIGHTING)
glMatrixMode(GL_MODELVIEW)
p = [
1.0, 0, 0, 0, 0, 1.0, 0, -1.0 / lightPos[1], 0, 0, 1.0, 0, 0, 0, 0,
0
]
glTranslatef(
0.0,
boundingBox[0][1] if boundingBox[0][1] < 0 else -boundingBox[0][1],
0.0)
glPushMatrix()
glTranslatef(lightPos[0], lightPos[1], lightPos[2])
glMultMatrixf(p)
glTranslatef(-lightPos[0], -lightPos[1], -lightPos[2])
glColor(SHADOW)
glTranslate(
0.0,
-boundingBox[0][1] if boundingBox[0][1] < 0 else boundingBox[0][1],
0.0)
glDrawArrays(GL_TRIANGLES, 0, len(data))
glColor(current_color)
glPopMatrix()
vbo.unbind()
glDisableClientState(GL_VERTEX_ARRAY)
glDisableClientState(GL_NORMAL_ARRAY)
# swap buffer
glutSwapBuffers()
def recursive_render(self, node, texture, shader, color):
""" Main recursive rendering method.
"""
# save model matrix and apply node transformation
glPushMatrix()
m = node.transformation.transpose() # OpenGL row major
glMultMatrixf(m)
for mesh in node.meshes:
stride = 32 # 8 * 4 bytes
#diffuse = mesh.material.properties["diffuse"]
#if len(diffuse) == 3: diffuse.append(1.0)
#ambient = mesh.material.properties["ambient"]
#if len(ambient) == 3: ambient.append(1.0)
glUniform4f( shader.Material_diffuse, *color )
glUniform4f( shader.Material_ambient, *color )
# has been bound to texture #0 (i.e. texture #1... confusing)
if texture:
glBindTexture(GL_TEXTURE_2D, texture)
glUniform1i(shader.thetexture,0)
else:
glBindTexture(GL_TEXTURE_2D, self.dummy_texture)
glUniform1i(shader.thetexture,0)
vbo = mesh.gl["vbo"]
vbo.bind()
glEnableVertexAttribArray( shader.Vertex_position )
glEnableVertexAttribArray( shader.Vertex_normal )
glEnableVertexAttribArray( shader.texcoords )
glVertexAttribPointer(
shader.Vertex_position,
3, GL_FLOAT,False, stride, vbo
)
glVertexAttribPointer(
shader.Vertex_normal,
3, GL_FLOAT,False, stride, vbo+12
)
glVertexAttribPointer(
shader.texcoords,
2, GL_FLOAT,False, stride, vbo+24
)
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mesh.gl["faces"])
glDrawElements(GL_TRIANGLES, len(mesh.faces) * 3, GL_UNSIGNED_INT, None)
vbo.unbind()
glDisableVertexAttribArray( shader.Vertex_position )
glDisableVertexAttribArray( shader.Vertex_normal )
glDisableVertexAttribArray( shader.texcoords )
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0)
glBindTexture(GL_TEXTURE_2D, 0)
for child in node.children:
self.recursive_render(child, texture, shader, color)
glPopMatrix()
def draw_fbo_cube(self, planetdescriptor, face, synth_pass, facex, facey,
level, tex_in):
#debug code
self.timer.start()
w = h = self.fbo_tex_size
ds_exp = 0
bord = 0
if synth_pass == 'pass_1': #setup for heightmap rendering
#1 pixel border
h += 2
w += 2
ds_exp = 1.0 / float(w)
material = MaterialManager.Materials[
planetdescriptor.height_material]
else:
material = MaterialManager.Materials[
planetdescriptor.normal_material]
#define rendering target: the texture to create
texture = glGenTextures(1)
glActiveTexture(GL_TEXTURE5)
glBindTexture(GL_TEXTURE_2D, texture)
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE)
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0)
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, w, h, 0, GL_RGBA, GL_FLOAT,
None)
glBindTexture(GL_TEXTURE_2D, 0)
#activate the rendering program
glUseProgram(material)
#standard dimensions for the scene cube
ds = self.ds
dz = np.cos(np.radians(45.0)) / np.sin(np.radians(45.0)) * ds
#specific setup depending on pass (heightmap or normal)
if synth_pass == 'pass_1': #setup for heightmap rendering
#fov adapted to level
glBindTexture(GL_TEXTURE_2D, 0)
glDisable(GL_TEXTURE_2D)
fov = 90.0
txindex = -1 #won't use texture coords
matpass = '******'
posattr = glGetAttribLocation(material, 'position')
glEnableVertexAttribArray(posattr)
glUniform1f(glGetUniformLocation(material, 'hmap_border_factor'),
ds_exp / (2.0**level))
glUniform1f(glGetUniformLocation(material, 'hmap_dx'), facex * ds)
glUniform1f(glGetUniformLocation(material, 'hmap_dy'), facey * ds)
glUniform1f(glGetUniformLocation(material, 'patchscale'),
1.0 / (2.0**level))
glUniform1i(glGetUniformLocation(material, 'level'), level)
fbo = self.hfbo
vbo = self.p1vbo
ibo = self.ibo
stride = 4 * 3
if synth_pass == 'pass_2':
glEnable(GL_TEXTURE_2D)
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, tex_in)
fov = 90.0
txindex = 1 #will use texture coords
#glGetAttribLocation(material,'texturecoord')
faceindexlocation = glGetUniformLocation(material, 'cubefacedebug')
glUniform1i(faceindexlocation, face)
matpass = '******'
posattr = glGetAttribLocation(material, 'position')
texattr = glGetAttribLocation(material, 'texcoord')
glEnableVertexAttribArray(posattr)
glEnableVertexAttribArray(texattr)
glUniform1f(glGetUniformLocation(material, 'planet_radius'),
planetdescriptor.radius)
glUniform1f(glGetUniformLocation(material, 'planet_height'),
planetdescriptor.height)
glUniform2f(glGetUniformLocation(material, 'patchcenter'), facex,
facey)
glUniform1f(glGetUniformLocation(material, 'patchscale'),
1.0 / (2.0**level))
glUniform1i(glGetUniformLocation(material, 'level'), level)
fbo = self.nfbo
vbo = self.p2vbo
ibo = self.ibo
stride = 4 * (2 + 3)
#bind fbo and set render target
glBindFramebuffer(GL_FRAMEBUFFER, fbo)
glDrawBuffer(GL_COLOR_ATTACHMENT0)
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_TEXTURE_2D, texture, 0)
#set up virtual camera fov (position will be set up just before draw)
glClearColor(1.0, 0.0, 0.0, 1.0)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
glDisable(GL_LIGHTING)
glShadeModel(GL_SMOOTH)
glMatrixMode(GL_PROJECTION)
glLoadIdentity()
gluPerspective(fov, float(w) / float(h), 0.001, 100.0)
glMatrixMode(GL_MODELVIEW)
glLoadIdentity()
#set up rotation matrix for the cube face
matrotlocation = glGetUniformLocation(material, 'rotcubev')
glUniformMatrix3fv(matrotlocation, 1, False,
self.matcube[matpass][face])
glViewport(0, 0, w, h)
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL)
glClearColor(0.0, 1.0, 0.0, 1.0)
vbo.bind()
ibo.bind()
glVertexAttribPointer(posattr, 3, GL_FLOAT, GL_FALSE, stride, vbo)
if txindex <> -1:
glVertexAttribPointer(texattr, 2, GL_FLOAT, GL_FALSE, stride,
vbo + (3 * 4))
glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, ibo)
vbo.unbind()
ibo.unbind()
glFinish()
#disable FBO
st = glCheckFramebufferStatus(GL_FRAMEBUFFER)
#ALternative 1 (works)
# glReadBuffer(GL_COLOR_ATTACHMENT0)
# data = None
# data = glReadPixels(0,0,w, h, GL_RGBA, GL_UNSIGNED_BYTE)
glBindTexture(GL_TEXTURE_2D, 0)
glBindFramebuffer(GL_FRAMEBUFFER, 0)
glUseProgram(0)
#glDeleteFramebuffers([fbo])
#Alternative 2 (works, and the output type is not necessary)
# if level == 4:
if level == 99:
glBindTexture(GL_TEXTURE_2D, texture)
OpenGL.UNSIGNED_BYTE_IMAGES_AS_STRING = False
data = glGetTexImage(GL_TEXTURE_2D,
0,
GL_RGBA,
GL_FLOAT,
outputType='str')
min = 99999
max = -99999
for row in data:
for el in row:
if el[3] > max: max = el[3]
if el[3] < min: min = el[3]
print min
print max
glBindTexture(GL_TEXTURE_2D, texture)
#debug code
#print 'fbo '+synth_pass+str(face)+' '+str(self.timer.stop()*1000)+' ms'
#self.timer.start()
#debug code: save textures
# from PIL import Image
# image = Image.frombytes('RGBA', (w,h), data, 'raw')
# image = image.transpose(Image.FLIP_TOP_BOTTOM)
# image.save ('Media/Textures/f'+str(face)+' x'+str(facex)+' y'+str(facey)+' l'+str(level)+' m'+str(material)+' fv'+str(fov)+' fb'+str(fbo)+' '+synth_pass+'.png')
# #debug code
#print 'fbo save txt '+synth_pass+str(face)+' '+str(self.timer.stop()*1000)+' ms'
if synth_pass == 'pass_1':
return texture
else:
return texture
def OnDraw(self):
'''Redraw the widget.
'''
# clear color and depth buffers
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
self.setupScene()
for obj in self.displayObjects:
glMatrixMode(obj["matrix_mode"])
style = obj["style"]
if style == "Red":
glColor3f(1.0, 0.7, 0.7)
elif style == "Blue":
glColor3f(0.7, 0.7, 1.0)
else:
glColor3f(1.0, 1.0, 1.0)
visible = obj["visible"]
if not visible:
continue
if "list" in obj:
glCallList(obj["list"])
#if self.controller.showgrid:
# self.drawXAxisGrid()
# self.drawYAxisGrid()
# self.drawZAxisGrid()
shaders.glUseProgram(self.shader)
try:
glUniform4f( self.Global_ambient_loc, .3,.3, .3, 0.5)
glUniform4f(self.Light_diffuse_loc, 0.5, 0.5, 0.5, 0.5)
glUniform3f(self.Light_location_loc, 0, 1, 10)
for obj in self.displayObjects:
visible = obj["visible"]
if not visible:
continue
if not "vbo" in obj:
continue
vbo = obj["vbo"]
#vao = obj["vao"]
num_triangles = obj["vbo_len"]
if not self.highlight:
highlight = False
else:
highlight = True
highlight_index = self.highlight_index
vbo.bind()
###
#glBindVertexArray(vao)
try:
style = obj["style"]
if style == "Grey":
glUniform4f(self.Base_colour_loc, 0.7, 0.7, 0.7, 0.5)
elif style == "Red":
glUniform4f(self.Base_colour_loc, 0.7, 0.3, 0.3, 0.5)
elif style == "Blue":
glUniform4f(self.Base_colour_loc, 0.3, 0.3, 0.7, 0.5)
else:
glUniform4f(self.Base_colour_loc, 0.7, 0.7, 0.7, 0.5)
glEnableVertexAttribArray( self.Vertex_position_loc )
glEnableVertexAttribArray( self.Vertex_normal_loc )
stride = 24
glVertexAttribPointer(self.Vertex_position_loc, 3, GL_FLOAT, False, stride, vbo)
glVertexAttribPointer(self.Vertex_normal_loc, 3, GL_FLOAT, False, stride, vbo+12)
if not highlight:
glDrawArrays(GL_TRIANGLES, 0, num_triangles)
###
#glDrawElements(GL_TRIANGLES, num_triangles, GL_UNSIGNED_INT, None)
else:
if highlight_index == 0:
glUniform4f(self.Base_colour_loc, 0.2, 0.2, 0.2, 0.5)
glDrawArrays(GL_TRIANGLES, 0, 3)
glUniform4f(self.Base_colour_loc, 0.7, 0.7, 0.7, 0.5)
glDrawArrays(GL_TRIANGLES, 3, num_triangles-3)
elif highlight_index == num_triangles-2:
glUniform4f(self.Base_colour_loc, 0.2, 0.2, 0.2, 0.5)
glDrawArrays(GL_TRIANGLES, 0, num_triangles-3)
glUniform4f(self.Base_colour_loc, 0.7, 0.7, 0.7, 0.5)
glDrawArrays(GL_TRIANGLES, num_triangles-3, 3)
else:
glUniform4f(self.Base_colour_loc, 0.7, 0.7, 0.7, 0.5)
glDrawArrays(GL_TRIANGLES, 0, highlight_index)
glDrawArrays(GL_TRIANGLES, highlight_index+3, num_triangles-highlight_index-3)
glUniform4f(self.Base_colour_loc, 0.2, 0.2, 0.2, 0.5)
glDrawArrays(GL_TRIANGLES, highlight_index, 3)
finally:
vbo.unbind()
glDisableVertexAttribArray( self.Vertex_position_loc )
glDisableVertexAttribArray( self.Vertex_normal_loc )
finally:
shaders.glUseProgram(0)
self.SwapBuffers()
def Render( self, mode = None):
"""Render the geometry for the scene."""
if not mode.visible:
return
'''We are going to update the lights array on every frame, normally we'd
cache the whole array and only update if there was a change. This is
exactly what we did in our previous tutorial.'''
for i,light in enumerate( self.lights ):
self.LIGHTS[i] = self.lightAsArray( light )
'''With our newly-calculated light array, we configure the appropriate
uniform with the data-array. The GLSLObject has a getVariable( name )
method which returns the attribute-or-uniform of the given name.
Assigning to the variable's value attribute will cause the value to
be passed in when the GLSLObject is rendered.'''
self.glslObject.getVariable( 'lights' ).value = self.LIGHTS
'''We do the same thing with our material configuration. We use our
previous code to calculate the desired values and then configure the
uniform variables with those values.'''
for key,value in self.materialFromAppearance(
self.appearance, mode
).items():
self.glslObject.getVariable( key ).value = value
'''OpenGLContext rendering nodes will often return "tokens" which
are to be passed back to the node after the rendering pass to disable
the changes made. The GLSLObject produces one of these when rendered.
The rendering will compile the shaders (reporting errors if they occur),
bind the object, and iterate through the textures and uniforms
configuring them for use with the shader.
'''
token = self.glslObject.render( mode )
tokens = [ ]
try:
'''As mentioned above, our indices ShaderIndexBuffer would normally
be rendered via a ShaderGeometry/ShaderSlice node. We're going to
manually trigger it here.'''
vbo = self.indices.bind(mode)
'''Again, normally the ShaderGeometry/ShaderSlice would trigger the
attribute nodes. We iterate over them passing in the shader object
to which to attach themselves. The attributes will generally return
tokens to disable the attribute configuration after rendering.'''
for attribute in self.attributes:
token = attribute.render( self.glslObject, mode )
if token:
tokens.append( (attribute, token) )
'''And our actual drawing code. You will note that the *type* of the
indices has changed. The ShaderIndexBuffer is intended to be generic,
so it uses full 32-bit unsigned ints rather than 16-bit ints and has
up-converted our array of 16-bit ints when we created it.'''
glDrawElements(
GL_TRIANGLES, self.count,
GL_UNSIGNED_INT, vbo
)
finally:
'''We ask each thing which returned a rendering token to disable
itself after the rendering pass.'''
for attribute,token in tokens:
attribute.renderPost( self.glslObject, mode, token )
self.glslObject.renderPost( token, mode )
'''The index-array VBO also needs to be unbound.'''
vbo.unbind()
def recursive_render(self, node, shader, mode=BASE, with_normals=True):
""" Main recursive rendering method.
"""
normals = with_normals
if mode == COLORS:
normals = False
if not hasattr(node, "selected"):
node.selected = False
m = get_world_transform(self.scene, node)
# HELPERS mode
###
if mode == HELPERS:
# if node.type == ENTITY:
self.render_axis(m,
label=node.name if node != self.scene.rootnode else None,
selected=node.selected if hasattr(node, "selected") else False)
if node.type == CAMERA:
self.render_camera(node, m)
for child in node.children:
self.recursive_render(child, shader, mode)
return
# Mesh rendering modes
###
if node.type == MESH:
for mesh in node.meshes:
stride = 24 # 6 * 4 bytes
if node.selected and mode == SILHOUETTE:
glUniform4f(shader.u_materialDiffuse, 1.0, 0.0, 0.0, 1.0)
glUniformMatrix4fv(shader.u_modelViewMatrix, 1, GL_TRUE,
numpy.dot(self.view_matrix, m))
else:
if mode == COLORS:
colorid = self.node2colorid[node.name]
r, g, b = self.get_rgb_from_colorid(colorid)
glUniform4f(shader.u_materialDiffuse, r / 255.0, g / 255.0, b / 255.0, 1.0)
elif mode == SILHOUETTE:
glUniform4f(shader.u_materialDiffuse, .0, .0, .0, 1.0)
else:
if node.selected:
diffuse = (1.0, 0.0, 0.0, 1.0) # selected nodes in red
else:
diffuse = mesh.material.properties["diffuse"]
if len(diffuse) == 3: # RGB instead of expected RGBA
diffuse.append(1.0)
glUniform4f(shader.u_materialDiffuse, *diffuse)
# if ambient:
# glUniform4f( shader.Material_ambient, *mat["ambient"] )
if mode == BASE: # not in COLORS or SILHOUETTE
normal_matrix = linalg.inv(numpy.dot(self.view_matrix, m)[0:3, 0:3]).transpose()
glUniformMatrix3fv(shader.u_normalMatrix, 1, GL_TRUE, normal_matrix)
glUniformMatrix4fv(shader.u_modelMatrix, 1, GL_TRUE, m)
vbo = mesh.gl["vbo"]
vbo.bind()
glEnableVertexAttribArray(shader.a_vertex)
if normals:
glEnableVertexAttribArray(shader.a_normal)
glVertexAttribPointer(
shader.a_vertex,
3, GL_FLOAT, False, stride, vbo
)
if normals:
glVertexAttribPointer(
shader.a_normal,
3, GL_FLOAT, False, stride, vbo + 12
)
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mesh.gl["faces"])
glDrawElements(GL_TRIANGLES, mesh.gl["nbfaces"] * 3, GL_UNSIGNED_INT, None)
vbo.unbind()
glDisableVertexAttribArray(shader.a_vertex)
if normals:
glDisableVertexAttribArray(shader.a_normal)
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0)
for child in node.children:
self.recursive_render(child, shader, mode)
def unbind( self, mode ):
"""Unbind the vbo"""
vbo = self.vbo(mode)
vbo.unbind()
return vbo
def recursive_render(self, node, shader, mode=BASE, with_normals=True):
""" Main recursive rendering method.
"""
normals = with_normals
if mode == COLORS:
normals = False
if not hasattr(node, "selected"):
node.selected = False
m = get_world_transform(self.scene, node)
# HELPERS mode
###
if mode == HELPERS:
# if node.type == ENTITY:
self.render_axis(
m,
label=node.name if node != self.scene.rootnode else None,
selected=node.selected if hasattr(node, "selected") else False)
if node.type == CAMERA:
self.render_camera(node, m)
for child in node.children:
self.recursive_render(child, shader, mode)
return
# Mesh rendering modes
###
if node.type == MESH:
for mesh in node.meshes:
stride = 24 # 6 * 4 bytes
if node.selected and mode == SILHOUETTE:
glUniform4f(shader.u_materialDiffuse, 1.0, 0.0, 0.0, 1.0)
glUniformMatrix4fv(shader.u_modelViewMatrix, 1, GL_TRUE,
numpy.dot(self.view_matrix, m))
else:
if mode == COLORS:
colorid = self.node2colorid[node.name]
r, g, b = self.get_rgb_from_colorid(colorid)
glUniform4f(shader.u_materialDiffuse, r / 255.0,
g / 255.0, b / 255.0, 1.0)
elif mode == SILHOUETTE:
glUniform4f(shader.u_materialDiffuse, .0, .0, .0, 1.0)
else:
if node.selected:
diffuse = (1.0, 0.0, 0.0, 1.0
) # selected nodes in red
else:
diffuse = mesh.material.properties["diffuse"]
if len(diffuse) == 3: # RGB instead of expected RGBA
diffuse.append(1.0)
glUniform4f(shader.u_materialDiffuse, *diffuse)
# if ambient:
# glUniform4f( shader.Material_ambient, *mat["ambient"] )
if mode == BASE: # not in COLORS or SILHOUETTE
normal_matrix = linalg.inv(
numpy.dot(self.view_matrix, m)[0:3, 0:3]).transpose()
glUniformMatrix3fv(shader.u_normalMatrix, 1, GL_TRUE,
normal_matrix)
glUniformMatrix4fv(shader.u_modelMatrix, 1, GL_TRUE, m)
vbo = mesh.gl["vbo"]
vbo.bind()
glEnableVertexAttribArray(shader.a_vertex)
if normals:
glEnableVertexAttribArray(shader.a_normal)
glVertexAttribPointer(shader.a_vertex, 3, GL_FLOAT, False,
stride, vbo)
if normals:
glVertexAttribPointer(shader.a_normal, 3, GL_FLOAT, False,
stride, vbo + 12)
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mesh.gl["faces"])
glDrawElements(GL_TRIANGLES, mesh.gl["nbfaces"] * 3,
GL_UNSIGNED_INT, None)
vbo.unbind()
glDisableVertexAttribArray(shader.a_vertex)
if normals:
glDisableVertexAttribArray(shader.a_normal)
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0)
for child in node.children:
self.recursive_render(child, shader, mode)
def renderPost( self, mode, shader, token=None ):
if token:
vbo,location = token
vbo.unbind()
glDisableVertexAttribArray( location )