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Added support for negative glow maps

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This commit is contained in:
Josh Yelon 2008-04-30 21:11:20 +00:00
parent 1d2990a2b5
commit 7ef5266e7d
2 changed files with 15 additions and 11 deletions
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18
direct/src/filter/FilterManager.py
View File

@ -33,7 +33,7 @@ class FilterManager(DirectObject):
notify = None
def __init__(self, win, cam):
def __init__(self, win, cam, forcex=0, forcey=0):
""" The FilterManager constructor requires you to provide
a window which is rendering a scene, and the camera which is
@ -60,6 +60,8 @@ class FilterManager(DirectObject):
# Instance Variables.
self.win = win
self.forcex = forcex
self.forcey = forcey
self.engine = win.getGsg().getEngine()
self.region = region
self.wclears = self.getClears(self.win)
@ -106,8 +108,10 @@ class FilterManager(DirectObject):
""" Calculate the size of the desired window. Not public. """
winx = self.win.getXSize()
winy = self.win.getYSize()
winx = self.forcex
winy = self.forcey
if (winx == 0): winx = self.win.getXSize()
if (winy == 0): winy = self.win.getYSize()
if (div != 1):
winx = ((winx+align-1) / align) * align
@ -121,7 +125,7 @@ class FilterManager(DirectObject):
return winx,winy
def renderSceneInto(self, depthtex=False, colortex=False, auxtex=False, auxbits=0, textures=None):
def renderSceneInto(self, depthtex=None, colortex=None, auxtex=None, auxbits=0, textures=None):
""" Causes the scene to be rendered into the supplied textures
instead of into the original window. Puts a fullscreen quad
@ -167,14 +171,14 @@ class FilterManager(DirectObject):
depthtex = textures.get("depth", None)
auxtex = textures.get("aux", None)
if (colortex == None): colortex = Texture("filter-base-color")
if (colortex == None):
colortex = Texture("filter-base-color")
texgroup = (depthtex, colortex, auxtex, None)
# Choose the size of the offscreen buffer.
winx = self.win.getXSize()
winy = self.win.getYSize()
(winx, winy) = self.getScaledSize(1,1,1)
buffer = self.createBuffer("filter-base", winx, winy, texgroup)
if (buffer == None):

8
direct/src/filter/filter-bloomi.sha
View File

@ -60,22 +60,22 @@ void fshader(float2 l_texcoordNW : TEXCOORD0,
uniform float4 k_desat
)
{
float4 inputNW = tex2D(k_src, l_texcoordNW);
float4 inputNW = tex2D(k_src, l_texcoordNW) - float4(0,0,0,0.5);
float briteNW = dot(inputNW, k_blend);
float scaleNW = saturate((briteNW - k_trigger.x) * k_trigger.y);
float4 colorNW = scaleNW * lerp(inputNW, float4(1,1,1,1), k_desat.x);
float4 inputNE = tex2D(k_src, l_texcoordNE);
float4 inputNE = tex2D(k_src, l_texcoordNE) - float4(0,0,0,0.5);
float briteNE = dot(inputNE, k_blend);
float scaleNE = saturate((briteNE - k_trigger.x) * k_trigger.y);
float4 colorNE = scaleNE * lerp(inputNE, float4(1,1,1,1), k_desat.x);
float4 inputSW = tex2D(k_src, l_texcoordSW);
float4 inputSW = tex2D(k_src, l_texcoordSW) - float4(0,0,0,0.5);
float briteSW = dot(inputSW, k_blend);
float scaleSW = saturate((briteSW - k_trigger.x) * k_trigger.y);
float4 colorSW = scaleSW * lerp(inputSW, float4(1,1,1,1), k_desat.x);
float4 inputSE = tex2D(k_src, l_texcoordSE);
float4 inputSE = tex2D(k_src, l_texcoordSE) - float4(0,0,0,0.5);
float briteSE = dot(inputSE, k_blend);
float scaleSE = saturate((briteSE - k_trigger.x) * k_trigger.y);
float4 colorSE = scaleSE * lerp(inputSE, float4(1,1,1,1), k_desat.x);