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51 commits

Author SHA1 Message Date
Tim Moore
c964caa845 workaround for gl_FrontFacing bug 
gl_FrontFacing isn't well supported on some Macintosh / ATI combinations.
 2010-06-15 19:29:24 +02:00
Frederic Bouvier
eb47297d94 Thorsten Renk: local weather 0.61 2010-06-04 23:05:32 +02:00
Vivian Meazza
505d87394d Fix for AMD - remove OpenGL reference 
Signed-off-by: Vivian Meazza <vivian.meazza@lineone.net>
 2010-06-04 11:15:58 +01:00
timoore
74f70ee3e4 Another go at the landmass geometry shader, using fewer varying parameters 
Author: Tim Moore <timoore@redhat.com>
 2010-04-30 15:20:36 +00:00
fredb
b3760e64b5 Fix line endings 2010-04-24 16:47:01 +00:00
timoore
6e58bce8e5 Rewrote landmass geometry shader 
I did several optimizations, including reducing to a bare minimum
shader computations and producing the geometry as one tristrip with
degenerate triangles. The result was an increase from 14 fps to 51 fps
(NVidia 8600M, ufo, ksfo).


Author: Tim Moore <timoore@redhat.com>
 2010-04-22 14:56:34 +00:00
vmmeazza
1afa90694c Add layered clouds 2010-04-12 19:23:27 +00:00
fredb
52c46e87c9 Create effects for shrub type landmass with no or little height. Add a new shrub texture contributed by Yves 2010-04-11 08:36:36 +00:00
fredb
b73614b17a Remove snow from streets 2010-04-10 21:07:52 +00:00
fredb
64f351935b Add snow to urban shader 2010-04-10 17:32:07 +00:00
fredb
1a986d8747 Use quality level inside landmass fragment shader 2010-04-10 15:08:29 +00:00
fredb
714c500fa9 Use quality level inside urban fragment shader 2010-04-10 14:35:02 +00:00
fredb
5b063ad32b Fix file encoding. Please avoid UTF-8 for shaders. Older drivers don't like it. 2010-04-07 22:37:21 +00:00
vmmeazza
20535a3893 Bugfix - remove emissivity 2010-04-07 22:02:22 +00:00
vmmeazza
1b49358d0d Add mapping and noise 2010-04-02 14:02:48 +00:00
fredb
5d76d5f3f5 Landmass update: add a triangle for the ground and don't apply relief on it 2010-04-02 07:06:39 +00:00
fredb
d73a93f284 Disable self shadowing for now to gain some fps on older GPU. Should be configurable in the future 2010-04-01 20:59:17 +00:00
vmmeazza
f71d794866 Tie reflectivity to material shininess, and provide more user control via parameters. 
Perpare for cube cross textures.
 2010-03-31 09:11:44 +00:00
vmmeazza
6e99283904 Remove warnings 2010-03-29 09:50:54 +00:00
fredb
e0056383f3 Use geometry shader to give more relief to landmass 2010-03-29 06:13:43 +00:00
fredb
7ebe34e95c Put the color of night lighting in a uniform 2010-03-28 17:20:04 +00:00
fredb
24d8e9293c Add relief mapping to landmass effect 2010-03-28 17:00:19 +00:00
fredb
2a99305a28 Night lighting improvement suggested by Erik Hofman 2010-03-28 16:54:26 +00:00
vmmeazza
2c825cbef2 A simple reflection effect - needs this patch ftp://ftp.abbeytheatre2.org.uk/fgfs/Shader/Reflect/cube-map.patch which will be included in Simgear soon (hopefully). 2010-03-28 11:17:51 +00:00
stuart
6b4857ce8c Allow the snow level of the landmass shader to be set from the property system, and expose it in the rendering dialog. Could be used in future to set the snow level based on the current weather. 2010-03-27 14:02:56 +00:00
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