def __init__(self, id, points):
self.id = id
self.datastring = array.array('f', points).tostring()
glEnableClientState(GL_VERTEX_ARRAY)
glBindBufferARB(GL_ARRAY_BUFFER_ARB, self.id)
glBufferDataARB(GL_ARRAY_BUFFER_ARB, len(self.datastring),
self.datastring, GL_STATIC_DRAW_ARB)
def _loaddata(self):
a = array.array(self.elementType, self.indices)
self.datastring = a.tostring()
glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, self.id)
glBufferDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, len(self.datastring),
self.datastring, self.usage)
glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0)
def onDraw( self ): glDisable(GL_TEXTURE_2D) glDisable(GL_LIGHTING) glEnableClientState( GL_VERTEX_ARRAY ) glBindBufferARB( GL_ARRAY_BUFFER_ARB, 1 ) graphext.VertexOffset( 3, GL_FLOAT, 0 ) glDrawArrays(GL_TRIANGLES, 0, 3) glEnable(GL_TEXTURE_2D )
def onDraw(self):
glDisable(GL_TEXTURE_2D)
glDisable(GL_LIGHTING)
glEnableClientState(GL_VERTEX_ARRAY)
glBindBufferARB(GL_ARRAY_BUFFER_ARB, 1)
graphext.VertexOffset(3, GL_FLOAT, 0)
glDrawArrays(GL_TRIANGLES, 0, 3)
glEnable(GL_TEXTURE_2D)
def draw(self, mode=GL_TRIANGLES, count=None, offset=0):
#glDrawElements( GL_TRIANGLES, 1, self.glTypeCode, 0 )
if count == None:
count = len(self.indices)
glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, self.id)
graphext.DrawElementsVB(mode, count, self.glTypeCode, 0)
GraphicsCard.recordDraw(int(count / 3))
glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0)
def _upload(self):
"""Copies all the vertex data to the graphics card"""
#determine the offsets for each block and the total size
offset = 0
for block in self.dataBlocks:
block.offset = offset
offset += block.sizeInBytes
self.totalSize = offset
#create one monolithic data string and give it to opengl
self.datastring = ''.join([x.datastring for x in self.dataBlocks])
glBindBufferARB(GL_ARRAY_BUFFER_ARB, self.id)
glBufferDataARB(GL_ARRAY_BUFFER_ARB, len(self.datastring),
self.datastring, self.usage)
glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0)
def bind(self): glBindBufferARB( GL_ARRAY_BUFFER_ARB, self.id ) graphext.VertexOffset( 3, GL_FLOAT, 0 )
def __init__(self, id, points): self.id = id self.datastring = array.array( 'f', points).tostring() glEnableClientState( GL_VERTEX_ARRAY ) glBindBufferARB( GL_ARRAY_BUFFER_ARB, self.id ) glBufferDataARB( GL_ARRAY_BUFFER_ARB, len( self.datastring ), self.datastring, GL_STATIC_DRAW_ARB );
def bind(self):
glBindBufferARB(GL_ARRAY_BUFFER_ARB, self.id)
graphext.VertexOffset(3, GL_FLOAT, 0)
def unbind(self):
glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0)
def bind(self):
glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, self.id)
def unbind(self):
"""Unbinds the buffer for OpenGL"""
glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0)
def bind(self):
"""Binds the buffer for OpenGL"""
glBindBufferARB(GL_ARRAY_BUFFER_ARB, self.id)
for block in self.dataBlocks:
block.bind()
