def genBgFileFromSeed(w, vs, seed, jpeg=0, scale=1):
"""
Generates a background texture into filename constructed
from the seed. Seed is some 64bit integer value.
ThePaperMill must loaded and be set to be global.
Returns the filename with absolute path of the generated file.
"""
scalePostfix = ''
if scale != 1: scalePostfix = '-%sx' % (scale)
size = vs.getSize()
# for Java to accept Python Long
if seed > 0x7FFFFFFFFFFFFFFFL:
lseed = seed - 0x10000000000000000L
else:
lseed = seed
pap = ThePaperMill().getPaper(lseed,
passmask=passmask,
vecs=[[.5, 0], [0, .5]])
pq = GLRen.createPaperQuad(pap, -0.5, -0.5, 0.5, 0.5, 0)
cs = vs.coords.affine(0, 1, 0, 0, 768 * scale, 0, 0, 768 * scale)
vs.matcher.add(cs, "tex")
vs.put(SolidBackdropVob(java.awt.Color(0, 0, 0)))
vs.map.put(pq, cs, 0)
w.renderStill(vs, 0)
if (jpeg):
print 'Saving background texture into %s%s-paper.gen.jpg.' % (
str(seed), scalePostfix)
saveanim.saveframe('bgfile.tmp', w, 0, 0, 384 * scale, 384 * scale)
os.system("convert -quality 95 %s %s" \
% ('bgfile.tmp', basedir+str(seed)+'%s-paper.gen.jpg' % (scalePostfix)))
os.system("rm bgfile.tmp")
return os.path.abspath(basedir + str(seed) + '%s-paper.gen.jpg' %
(scalePostfix))
else:
print 'Saving background texture into %s%s-paper.gen.png.' % (
str(seed), scalePostfix)
saveanim.saveframe(
basedir + str(seed) + '%s-paper.gen.png' % (scalePostfix), w, 0, 0,
384 * scale, 384 * scale)
return os.path.abspath(basedir + str(seed) + '%s-paper.gen.png' %
(scalePostfix))
def getOptimizedPaper(self,
seed,
passmask=[1, 1, 1, 1, 1, 1, 1],
numcolors=8,
minlum=80,
blend=0):
pap = self.getPaper(seed, passmask, numcolors, minlum, blend)
if not GL.hasExtension("GL_SGIS_generate_mipmap"):
print "Warning: not returning optimized paper because"
print "GL_SGIS_generate_mipmap extension is required but not available"
return pap
if GL.workaroundStupidBuggyAtiDrivers:
print "Warning: not returning optimized paper because"
print "copyTexImage2D has problems on ATI drivers"
return pap
# Now, we render a region.
v = pap.repeat._getSTVectors()
vs = optimizingWindow.createVobScene()
vs.map.put(vob.vobs.SolidBackdropVob(java.awt.Color.red))
cs1 = vs.coords.ortho(0, 0, 0, 0, optimizedPaperSize + 1,
optimizedPaperSize + 1)
cs2 = vs.coords.affine(0, 0, 0, 0, v[0][0], v[0][1], v[1][0], v[1][1])
vs.map.put(GLRen.createPaperQuad(pap, 0, 0, 1, 1, 1), cs1, cs2)
optimizingWindow.renderStill(vs, 1)
tex = GL.createTexture()
texid = tex.getTexId()
GL.call("""
BindTexture TEXTURE_2D %(texid)s
TexParameter TEXTURE_2D TEXTURE_MAX_ANISOTROPY_EXT 2
TexParameter TEXTURE_2D GENERATE_MIPMAP_SGIS TRUE
TexParameter TEXTURE_2D TEXTURE_MIN_FILTER LINEAR_MIPMAP_LINEAR
TexParameter TEXTURE_2D TEXTURE_MAG_FILTER LINEAR
BindTexture TEXTURE_2D 0
""" % locals())
tex.copyTexImage2D(optimizingWindow.getRenderingSurface(), "FRONT",
"TEXTURE_2D", 0, "RGB5", 0, 0, optimizedPaperSize,
optimizedPaperSize, 0)
# Apparently, NV drivers 44.96 (maybe others) have some trouble
# with the 1x1 mipmap getting clobbered.
# Usually, that wouldn't be a problem, but papers will be viewed
# 1) at largely different scales
# 2) blurred for text background
# so this matters.
# We shall forbid the use of that mipmap
tex.setTexParameter("TEXTURE_2D", "TEXTURE_MAX_LEVEL",
optimizedPaperMaxLevel)
if dbg:
vob.putil.texture.printTex(tex.getTexId())
npap = PaperHanger()
npap.setNPasses(1)
npap.cachedTexture = tex
npap.addDepend(tex) # Need this for clones to survive
ppass = npap.getPass(0)
ppass.setSetupcode("""
PushAttrib ENABLE_BIT TEXTURE_BIT DEPTH_BUFFER_BIT COLOR_BUFFER_BIT CURRENT_BIT
Disable BLEND
ActiveTexture TEXTURE1
Disable TEXTURE_2D
ActiveTexture TEXTURE0
Enable DEPTH_TEST
DepthFunc LESS
BindTexture TEXTURE_2D %(texid)s
TexEnv TEXTURE_ENV TEXTURE_ENV_MODE REPLACE
Color 0 1 0
Enable TEXTURE_2D
SecondaryColorEXT 0 0 0
""" % locals())
ppass.setNTexGens(1)
# t = pap.repeat.vecs
t = v
if dbg:
print "T ", t
ppass.putNormalTexGen(0, [
t[0][0],
t[0][1],
0,
0,
-t[1][0],
-t[1][1],
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
])
ppass.setTeardowncode("""
PopAttrib
ActiveTexture TEXTURE0
""")
if dbg:
print "Ret: ", npap.toString(), npap.getPass(0).getNTexGens()
return npap