def get_drawLevel(self, assy_or_part):
"""
Get the recommended sphere drawingLevel to use for drawing
assy_or_part in self.
@param assy_or_part: an Assembly, or its current .part, a Part
"""
#bruce 090306 split out of ChunkDrawer, optimized for shaders
#bruce 090309 revised
if self.permit_shaders and \
self.glprefs.sphereShader_desired() and \
drawing_globals.sphereShader_available():
# drawLevel doesn't matter (not used by shaders),
# so return a constant value to avoid accessing assy.drawLevel,
# and therefore (I hope) avoid recomputing the number of atoms
# in assy. But in case of bugs in which this ends up being used,
# let this constant be the usual level "2".
# [todo: use a symbolic constant, probably there is one already]
return 2
else:
return assy_or_part.drawLevel # this might recompute it
# (if that happens and grabs the pref value, I think this won't
# subscribe our Chunks' display list to it, since we're called
# outside the begin/ends for those, and that's good, since they
# include this in havelist instead, which avoids some unneeded
# redrawing, e.g. if pref changed and changed back while
# displaying a different Part. [bruce 060215])
pass
def get_drawLevel(self, assy_or_part):
"""
Get the recommended sphere drawingLevel to use for drawing
assy_or_part in self.
@param assy_or_part: an Assembly, or its current .part, a Part
"""
#bruce 090306 split out of ChunkDrawer, optimized for shaders
#bruce 090309 revised
if self.permit_shaders and \
self.glprefs.sphereShader_desired() and \
drawing_globals.sphereShader_available():
# drawLevel doesn't matter (not used by shaders),
# so return a constant value to avoid accessing assy.drawLevel,
# and therefore (I hope) avoid recomputing the number of atoms
# in assy. But in case of bugs in which this ends up being used,
# let this constant be the usual level "2".
# [todo: use a symbolic constant, probably there is one already]
return 2
else:
return assy_or_part.drawLevel # this might recompute it
# (if that happens and grabs the pref value, I think this won't
# subscribe our Chunks' display list to it, since we're called
# outside the begin/ends for those, and that's good, since they
# include this in havelist instead, which avoids some unneeded
# redrawing, e.g. if pref changed and changed back while
# displaying a different Part. [bruce 060215])
pass
def schedule_sphere(color, pos, radius, detailLevel,
opacity = 1.0, testloop = 0):
"""
Schedule a sphere for rendering whenever ColorSorter thinks is
appropriate.
"""
if _DEBUG and ColorSorter._parent_csdl and ColorSorter._parent_csdl.reentrant:
print "bare_prim sphere:", ColorSorter._gl_name_stack[-1], \
color, pos, radius, ColorSorter._debug_transforms()
if ColorSorter._parent_csdl and ColorSorter._parent_csdl.reentrant:
# todo: use different flag than .reentrant
pos = ColorSorter._transform_point(pos)
if ColorSorter.glpane.glprefs.use_c_renderer and ColorSorter.sorting:
if len(color) == 3:
lcolor = (color[0], color[1], color[2], opacity)
else:
lcolor = color
ColorSorter._cur_shapelist.add_sphere(
lcolor, pos, radius, ColorSorter._gl_name_stack[-1])
# 20060208 grantham - I happen to know that one detailLevel
# is chosen for all spheres, I just record it over and
# over here, and use the last one for the render
if (ColorSorter.sphereLevel > -1 and
ColorSorter.sphereLevel != detailLevel):
raise ValueError, \
"unexpected different sphere LOD levels within same frame"
ColorSorter.sphereLevel = detailLevel
pass
else:
# Non-C-coded material rendering (might be sorted and/or use shaders)
sphereBatches = ( ColorSorter._permit_shaders and
ColorSorter.glpane.glprefs.sphereShader_desired() and
drawing_globals.sphereShader_available()
)
if len(color) == 3:
lcolor = (color[0], color[1], color[2], opacity)
else:
lcolor = color
pass
if sphereBatches and ColorSorter._parent_csdl: # Russ 080925: Added.
# Collect lists of primitives in the CSDL, rather than sending
# them down through the ColorSorter schedule methods into DLs.
assert ColorSorter.sorting # since _parent_csdl is present
ColorSorter._parent_csdl.addSphere(
pos, radius, lcolor,
# glnames come from ColorSorter.pushName()
ColorSorter._gl_name_stack[-1])
else:
vboLevel = ColorSorter.glpane.glprefs.use_drawing_variant
# vboLevel sets drawing strategy for unbatched spheres
detailLevel = (vboLevel, detailLevel)
# KLUGE, explained in a comment inside drawsphere_worker
if testloop > 0:
worker = drawsphere_worker_loop
else:
worker = drawsphere_worker
ColorSorter.schedule(
lcolor, worker, (pos, radius, detailLevel, testloop))
pass
return
def schedule_sphere(color,
pos,
radius,
detailLevel,
opacity=1.0,
testloop=0):
"""
Schedule a sphere for rendering whenever ColorSorter thinks is
appropriate.
"""
if _DEBUG and ColorSorter._parent_csdl and ColorSorter._parent_csdl.reentrant:
print "bare_prim sphere:", ColorSorter._gl_name_stack[-1], \
color, pos, radius, ColorSorter._debug_transforms()
if ColorSorter._parent_csdl and ColorSorter._parent_csdl.reentrant:
# todo: use different flag than .reentrant
pos = ColorSorter._transform_point(pos)
if ColorSorter.glpane.glprefs.use_c_renderer and ColorSorter.sorting:
if len(color) == 3:
lcolor = (color[0], color[1], color[2], opacity)
else:
lcolor = color
ColorSorter._cur_shapelist.add_sphere(
lcolor, pos, radius, ColorSorter._gl_name_stack[-1])
# 20060208 grantham - I happen to know that one detailLevel
# is chosen for all spheres, I just record it over and
# over here, and use the last one for the render
if (ColorSorter.sphereLevel > -1
and ColorSorter.sphereLevel != detailLevel):
raise ValueError, \
"unexpected different sphere LOD levels within same frame"
ColorSorter.sphereLevel = detailLevel
pass
else:
# Non-C-coded material rendering (might be sorted and/or use shaders)
sphereBatches = (ColorSorter._permit_shaders and
ColorSorter.glpane.glprefs.sphereShader_desired()
and drawing_globals.sphereShader_available())
if len(color) == 3:
lcolor = (color[0], color[1], color[2], opacity)
else:
lcolor = color
pass
if sphereBatches and ColorSorter._parent_csdl: # Russ 080925: Added.
# Collect lists of primitives in the CSDL, rather than sending
# them down through the ColorSorter schedule methods into DLs.
assert ColorSorter.sorting # since _parent_csdl is present
ColorSorter._parent_csdl.addSphere(
pos,
radius,
lcolor,
# glnames come from ColorSorter.pushName()
ColorSorter._gl_name_stack[-1])
else:
vboLevel = ColorSorter.glpane.glprefs.use_drawing_variant
# vboLevel sets drawing strategy for unbatched spheres
detailLevel = (vboLevel, detailLevel)
# KLUGE, explained in a comment inside drawsphere_worker
if testloop > 0:
worker = drawsphere_worker_loop
else:
worker = drawsphere_worker
ColorSorter.schedule(lcolor, worker,
(pos, radius, detailLevel, testloop))
pass
return
