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- volumetric lighting can be set to use the result of other postprocessing filters or framebuffer components

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rdb 2012-07-25 08:22:30 +00:00
parent d459a084b4
commit f565e3fb09
1 changed files with 8 additions and 4 deletions
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12
direct/src/filter/CommonFilters.py
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@ -107,6 +107,8 @@ class CommonFilters:
auxbits |= AuxBitplaneAttrib.ABOGlow
if (configuration.has_key("ViewGlow")):
auxbits |= AuxBitplaneAttrib.ABOGlow
if (configuration.has_key("VolumetricLighting")):
needtex[configuration["VolumetricLighting"].source] = True
for tex in needtex:
self.textures[tex] = Texture("scene-"+tex)
self.textures[tex].setWrapU(Texture.WMClamp)
@ -252,9 +254,9 @@ class CommonFilters:
text += "lightdir *= k_vlparams.x;\n"
text += "half4 sample = tex2D(k_txcolor, curcoord);\n"
text += "float3 vlcolor = sample.rgb * sample.a;\n"
text += "for (int i = 0; i < %s; i++) {\n" % int(configuration["VolumetricLighting"].numsamples)
text += "for (int i = 0; i < %s; i++) {\n" % (int(configuration["VolumetricLighting"].numsamples))
text += " curcoord -= lightdir;\n"
text += " sample = tex2D(k_txcolor, curcoord);\n"
text += " sample = tex2D(k_tx%s, curcoord);\n" % (configuration["VolumetricLighting"].source)
text += " sample *= sample.a * decay;//*weight\n"
text += " vlcolor += sample.rgb;\n"
text += " decay *= k_vlparams.y;\n"
@ -308,6 +310,7 @@ class CommonFilters:
def update(self, task = None):
"""Updates the shader inputs that need to be updated every frame.
Normally, you shouldn't call this, it's being called in a task."""
if self.configuration.has_key("VolumetricLighting"):
caster = self.configuration["VolumetricLighting"].caster
casterpos = Point2()
@ -392,10 +395,10 @@ class CommonFilters:
return self.reconfigure(True, "Inverted")
return True
def setVolumetricLighting(self, caster, numsamples = 32, density = 5.0, decay = 0.1, exposure = 0.1):
def setVolumetricLighting(self, caster, numsamples = 32, density = 5.0, decay = 0.1, exposure = 0.1, source = "color"):
oldconfig = self.configuration.get("VolumetricLighting", None)
fullrebuild = True
if (oldconfig) and (oldconfig.caster == caster):
if (oldconfig) and (oldconfig.source == source) and (oldconfig.numsamples == int(numsamples)):
fullrebuild = False
newconfig = FilterConfig()
newconfig.caster = caster
@ -403,6 +406,7 @@ class CommonFilters:
newconfig.density = density
newconfig.decay = decay
newconfig.exposure = exposure
newconfig.source = source
self.configuration["VolumetricLighting"] = newconfig
return self.reconfigure(fullrebuild, "VolumetricLighting")