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176 commits

Author SHA1 Message Date
fredb
d8f6ccf49b Lessen fog in front of city light 2010-03-23 22:20:24 +00:00
fredb
f8e595361a Update to the urban shader. Support shadows, intersection with 3d objects and night lighting. 2010-03-22 22:00:44 +00:00
ehofman
ce1db5c859 Update to better highlight the reflections away from the sun 2010-03-22 10:07:04 +00:00
ehofman
164effede9 small update: multiply the diffuse and ambient settings by the bump(map) value. 2010-03-21 13:21:37 +00:00
fredb
8556d3c1ea Rewrote the bumpspec effect to fix light parameters 2010-03-20 18:00:26 +00:00
fredb
27968d4da9 Bump map shader contributed by Emilian Huminiuc. Should be inherited from to be used in models. 2010-03-16 07:21:47 +00:00
fredb
c9236ad565 First iteration of the urban effect with relief mapping. Relief map by HB-Gral. 2010-03-12 22:25:19 +00:00
timoore
dfb8181f34 more ATI fixes for crops and landmass shaders 
Same problem with material state, except this time with the diffuse component.


Author: Tim Moore <timoore@redhat.com>
 2010-02-12 14:43:26 +00:00
timoore
421ee253e6 fix shader bugs on ATI hardware 
The main problem was using gl_FrontMaterial.ambient with a color mode
of AMBIENT_AND_DIFFUSE i.e., the fixed function path would take both the
ambient colors from the vertex color value. Also, some vertex shaders
were not writing gl_FrontColor even though the fragment shader was
accessing gl_Color.


Author: Tim Moore <timoore@redhat.com>
 2010-02-12 11:38:53 +00:00
timoore
041aad9319 Fix implicit conversion from vec4 to vec3 in material animation shader 
ATI doesn't like it.


Author: Tim Moore <timoore@redhat.com>
 2010-02-03 08:36:05 +00:00
vmmeazza
b98fcba700 Add stencil light shaders by Lauri Peltonen (Zan). 
Please Note:

There is a problem with this implementation when the light cone crosses
the near/far camera boundary.
 2010-01-31 10:36:38 +00:00
timoore
bfaaef8aef Effects and shaders for material animations 
Author: Tim Moore <timoore@redhat.com>
 2010-01-27 17:52:18 +00:00
timoore
8c55e1b2bc update to a more recent version of the cloud shader 
Author: Tim Moore <timoore@redhat.com>
 2009-11-26 16:15:45 +00:00
timoore
ab97ee326a effect for clouds 
Author: Tim Moore <timoore@redhat.com>
 2009-11-26 10:44:44 +00:00
timoore
ffa9cae11c New tree rendering algorithm 
Draw trees in two passes, opaque and transparent. This allows us to
have some transparency, which is better looking, and dispense with
sorting.


Author: Tim Moore <timoore@redhat.com>
 2009-11-23 21:53:56 +00:00
timoore
00e7027dce Move hard wired tree shader to an effect 
Author: Tim Moore <timoore@redhat.com>
 2009-11-21 23:35:47 +00:00
timoore
971b6c3ef2 light two-sided polygons 
Also, remove model-default.frag; for the moment one fragment shader works for
both terrain and models.


Author: Tim Moore <timoore@redhat.com>
 2009-11-19 16:20:51 +00:00
timoore
56fc0f9076 clamp lighting values and support transparency material animation 
The transparency animation support is a hack, but should get the job done
for a bit.


Author: Tim Moore <timoore@redhat.com>
 2009-11-17 21:57:07 +00:00
timoore
ca82d06aef in shaders, get alpha directly from diffuse material value 
Just like the fixed function pipeline


Author: Tim Moore <timoore@redhat.com>
 2009-11-17 06:23:21 +00:00
timoore
8e2077e330 Created different default shaders for models. 
These use the vertex color as the diffuse part of the lighting equation,
instead of both ambient and diffuse.


Author: Tim Moore <timoore@redhat.com>
 2009-11-14 06:19:09 +00:00
jmt
1531446fb2 From Lauri Peltonen (Zan): 
These two patches allow use of external shaders as the tree and 3d cloud
shaders. The shaders are Shaders/3dcloud.{frag|vert} and
Shaders/tree.{frag|vert}. If the shader files are not found, the
original shaders included in the source are used.

This makes testing modifications to the shaders easier and faster. End
users should see no difference when using this.
 2009-09-29 07:41:11 +00:00
ehofman
f0ecd16f3c Removed a line too many. 2009-08-22 12:36:38 +00:00
ehofman
43027bcc00 comment out unused code and add proper reflections for specular and diffuse color 2009-08-22 12:08:32 +00:00
timoore
943ba2a4fe Till Busch - effects, shaders and textures for crop and water effects 
Incorporated changes to effects file syntax. Changed Till's landmass
to mix in the base terrain texture. Some shader cleanup.

Also, add a GUI control for enabling shaders.
 2009-08-08 10:17:58 +00:00
timoore
30f844c961 fixes to terrain shader 
Handle emission and light model ambient value.

Test if shininess is 0 to avoid pow(0, 0), which is undefined.
 2009-07-19 18:54:10 +00:00
timoore
d4d89d2793 Terrain effect has a shader 2009-07-15 22:49:36 +00:00