OpenGL Shaders (GLSL) - Revision history

Echelon9: /* Known issues */ OS X 10.6 is ancient now, so remove from known issues list

2015-05-03T05:14:38Z

Known issues: OS X 10.6 is ancient now, so remove from known issues list

← Older revision		Revision as of 05:14, 3 May 2015
Line 31:		Line 31:
	** (If you prefer, you can look for just old Atioglxx.dll download links in HLP forums).		** (If you prefer, you can look for just old Atioglxx.dll download links in HLP forums).


	~~===Mac users===~~
	Shaders are now much improved on Mac OS X, and very closely match the feature set available on Windows. The Apple driver patches provided in OS X 10.6.5 Snow Leopard resolve previously encountered environment mapping issues.

	===ForceWare 169.xx===		===ForceWare 169.xx===
	These drivers are buggy and don't work fine (several graphical glitches). Why the hell are you using them? They're ancient. Update to a newer version NOW.		These drivers are buggy and don't work fine (several graphical glitches). Why the hell are you using them? They're ancient. Update to a newer version NOW.


	==Description of shaders==		==Description of shaders==

Echelon9: /* Mac users */ - 10.6.5 fixes one of major OS X OpenGL problems

2010-11-13T03:33:44Z

Mac users: - 10.6.5 fixes one of major OS X OpenGL problems

← Older revision		Revision as of 03:33, 13 November 2010
Line 33:		Line 33:

	===Mac users===		===Mac users===
	Shaders are now much improved on Mac OS X, and very closely match the feature set available on Windows. The ~~central problem is performance slowdowns that are caused by bugs in~~ Apple~~'s graphics drivers. Environment mapping also leads to an odd effect~~ in ~~which portions of the desktop or other programs are rendered onto in-game objects~~.		Shaders are now much improved on Mac OS X, and very closely match the feature set available on Windows. The Apple driver patches provided in OS X 10.6.5 Snow Leopard resolve previously encountered environment mapping issues.
	* [http://scp.~~indiegames~~.~~us/mantis/view.php?id=1858 Mantis 1858 - Environmental mapping behaving oddly under Mac OS X for all shader-enabled builds]~~

	===ForceWare 169.xx===		===ForceWare 169.xx===

The E: A bit of an overhaul here.

2010-10-27T23:19:39Z

A bit of an overhaul here.

Show changes

Echelon9: /* Mac users */ Updated to reflect current state of Mac OpenGL code

2010-01-27T05:05:16Z

Mac users: Updated to reflect current state of Mac OpenGL code

← Older revision		Revision as of 05:05, 27 January 2010
Line 35:		Line 35:

	===Mac users===		===Mac users===
	Shaders ~~don~~'~~t seem~~ to ~~run fine~~ in ~~Macs. Expect some troubles specially with env mapping~~.		Shaders are now much improved on Mac OS X, and very closely match the feature set available on Windows. The central problem is performance slowdowns that are caused by bugs in Apple's graphics drivers. Environment mapping also leads to an odd effect in which portions of the desktop or other programs are rendered onto in-game objects.
	~~Here you have some interesting reports from Mantis:~~		* [http://scp.indiegames.us/mantis/view.php?id=1858 Mantis 1858 - Environmental mapping behaving oddly under Mac OS X for all shader-enabled builds]
	* [http://scp.indiegames.us/mantis/view.php?id=1855 Mantis 1855]
	* [http://scp.indiegames.us/mantis/view.php?id=1858 Mantis 1858]
	* [http://scp.indiegames.us/mantis/view.php?id=1881 Mantis 1881]


	===ForceWare 169.xx===		===ForceWare 169.xx===

ARSPR: g-f doesn't exist.

2009-03-14T08:13:35Z

g-f doesn't exist.

← Older revision		Revision as of 08:13, 14 March 2009
Line 67:		Line 67:
	# '''n*-v''', which provides access to the tangent space data needed for normal maps.		# '''n*-v''', which provides access to the tangent space data needed for normal maps.
	# '''e-v''', which adds the env translation matrix.		# '''e-v''', which adds the env translation matrix.
	*# Special case: '''b-v''', which offers mapping support (textures), but no lighting.		*# Special case: '''b-v''', which offers mapping support, (ie. textures), but no lighting.
	* Examples of vertex and fragment pairs:		* Examples of vertex and fragment pairs:
	** The only special thing that ''lbgs-f'' needs is lighting, which means it only has to be paired up with ''l-v''.		** The only special thing that ''lbgs-f'' needs is lighting, which means it only has to be paired up with ''l-v''.
	** But ''lbgse-f'' needs envmap support too, so it is paired up with ''le-v'' which has access to the env translation matrix.		** But ''lbgse-f'' needs envmap support too, so it is paired up with ''le-v'' which has access to the env translation matrix.
	** In F3 lab, if all the textures are turned off, so there's only lighting applied over the white bare flat surfaces of the POF model, ''l-v'' and ''Null-f'' are the used shaders.		** In F3 lab, if all the textures are turned off, so there's only lighting applied over the white bare flat surfaces of the POF model, ''l-v'' and ''Null-f'' are the used shaders.
	** In F3 lab, if all the textures AND the lighting ~~too~~ are turned off, ''Null-v'' and ''Null-f'' are used. Only a white silhouette of the ship is rendered.		** In F3 lab, if all the textures AND also the lighting are turned off, ''Null-v'' and ''Null-f'' are used. Only a white silhouette of the ship is rendered.
	** ''b-v'' and ''b-f'' / ''bg-f''. This pair is used in HUD target box, where the game renders a textured ship, with glowmaps (''bg-f'') or without them (''b-f''), but it lacks any lighting. It is also used in F3 lab if lighting is turned off while keeping the textures on.		** ''b-v'' and ''b-f'' / ''bg-f''. This pair is used in HUD target box, where the game renders a textured ship, with glowmaps (''bg-f'') or without them (''b-f''), but it lacks any lighting. It is also used in F3 lab if lighting is turned off while keeping the textures on.<br>''Side note: As the game doesn't use a g-f shader, in F3 lab, you cannot turn off lighting and diffuse textures while keeping glowmaps. In this situation glowmaps are also turned off.''

Zacam: Added shader pairings list

2009-03-13T03:05:33Z

Added shader pairings list

← Older revision		Revision as of 03:05, 13 March 2009
Line 74:		Line 74:
	** In F3 lab, if all the textures AND the lighting too are turned off, ''Null-v'' and ''Null-f'' are used. Only a white silhouette of the ship is rendered.		** In F3 lab, if all the textures AND the lighting too are turned off, ''Null-v'' and ''Null-f'' are used. Only a white silhouette of the ship is rendered.
	** ''b-v'' and ''b-f'' / ''bg-f''. This pair is used in HUD target box, where the game renders a textured ship, with glowmaps (''bg-f'') or without them (''b-f''), but it lacks any lighting. It is also used in F3 lab if lighting is turned off while keeping the textures on.		** ''b-v'' and ''b-f'' / ''bg-f''. This pair is used in HUD target box, where the game renders a textured ship, with glowmaps (''bg-f'') or without them (''b-f''), but it lacks any lighting. It is also used in F3 lab if lighting is turned off while keeping the textures on.


			==Listing of Vertex to Fragment Sets==

			<b>Basic Shaders:</b><br>
			null-v: null-f<br>
			b-v: b-f, bg-f<br>
			l-v: lb-f, lbg-f, lbgs-f, lbs-f, lg-f, lgs-f, ls-f, null-f<br>
			le-v: lbgse-f, lbse-f, lgse-f, lse-f<br><br>
			<b>NORMAL Map Shaders:</b><br>
			ln-v: lbgn-f, lbgsn-f, lbn-f, lbsn-f, lgn-f, lgsn-f, ln-f, lsn-f<br>
			lne-v: lbgsne-f, lbsne-f, lgsne-f, lsne-f<br><br>
			<b>FOG Based Shaders:</b><br>
			lf-v: lfb-f, lfbg-f, lfbgs-f, lfbs-f<br>
			lfe-v: lfbgse-f, lfbse-f<br><br>
			<b>FOG Based NORMAL Shaders:</b><br>
			lfn-v: lfbgn-f, lfbgsn-f, lfbn-f, lfbsn-f<br>
			lfne-v: lfbgsne-f, lfbsne-f<br>

ARSPR: More info about Null, b and bg shaders (Thanks Taylor).

2009-03-12T21:32:48Z

More info about Null, b and bg shaders (Thanks Taylor).

TopAce: it only exist --> it only exists. Don't let that "only" deceive you.

2009-03-12T15:46:34Z

it only exist --> it only exists. Don't let that "only" deceive you.

← Older revision		Revision as of 15:46, 12 March 2009
Line 54:		Line 54:
	*# '''l''': lighting enabled. So it is the opposite to ''Null''. All the normally used shaders are ''l + whatever''.		*# '''l''': lighting enabled. So it is the opposite to ''Null''. All the normally used shaders are ''l + whatever''.
	*# '''f''': indicates fog based lighting condition effects. (Not to be confused with the -f that denotes fragment shaders).		*# '''f''': indicates fog based lighting condition effects. (Not to be confused with the -f that denotes fragment shaders).
	*# '''b''': uses base/diffuse map. (It only ~~exist~~ for fragment shaders).		*# '''b''': uses base/diffuse map. (It only exists for fragment shaders).
	*# '''g''': glow map. As always, this effect is switched on by [[Command-Line_Reference#-glow\|-glow flag]] and it needs associated glow maps. (It only ~~exist~~ for fragment shaders).		*# '''g''': glow map. As always, this effect is switched on by [[Command-Line_Reference#-glow\|-glow flag]] and it needs associated glow maps. (It only exists for fragment shaders).
	*# '''s''': specular map. As always, this effect is switched on by [[Command-Line_Reference#-spec\|-spec flag]] and it needs associated specular maps. (It only ~~exist~~ for fragment shaders).		*# '''s''': specular map. As always, this effect is switched on by [[Command-Line_Reference#-spec\|-spec flag]] and it needs associated specular maps. (It only exists for fragment shaders).
	*# '''n''': normal map. This effect only exists in GLSL mode. It needs the usage of [[Command-Line_Reference#-normal\|-normal flag]] and new normal maps.		*# '''n''': normal map. This effect only exists in GLSL mode. It needs the usage of [[Command-Line_Reference#-normal\|-normal flag]] and new normal maps.
	*# '''h''': height map (parallax mapping). This effect only exists in GLSL mode. It needs the usage of [[Command-Line_Reference#-height\|-height flag]] AND [[Command-Line_Reference#-normal\|-normal flag]]. So you cannot have parallax mapping without normal mapping. It also needs the usage of new height maps. (It only ~~exist~~ for fragment shaders).		*# '''h''': height map (parallax mapping). This effect only exists in GLSL mode. It needs the usage of [[Command-Line_Reference#-height\|-height flag]] AND [[Command-Line_Reference#-normal\|-normal flag]]. So you cannot have parallax mapping without normal mapping. It also needs the usage of new height maps. (It only exists for fragment shaders).
	*# '''e''': environment map. As always, this effect is switched on by [[Command-Line_Reference#-env\|-env flag]] AND [[Command-Line_Reference#-spec\|-spec flag]]. So you cannot have env mapping effect without specular bright effect. This happens because the env mapping effect is affected by the alpha channel on the specular map. This also happens in legacy fixed render pipeline mode.		*# '''e''': environment map. As always, this effect is switched on by [[Command-Line_Reference#-env\|-env flag]] AND [[Command-Line_Reference#-spec\|-spec flag]]. So you cannot have env mapping effect without specular bright effect. This happens because the env mapping effect is affected by the alpha channel on the specular map. This also happens in legacy fixed render pipeline mode.
	*# The '''-v''' files are vertex shaders, the '''-f''' files are fragment shaders.		*# The '''-v''' files are vertex shaders, the '''-f''' files are fragment shaders.

ARSPR: Explicit null info and other example.

2009-03-12T08:13:52Z

Explicit null info and other example.

ARSPR: env needs spec

2009-03-08T20:58:09Z

env needs spec

← Older revision		Revision as of 20:58, 8 March 2009
Line 58:		Line 58:
	*# '''n''': normal map. This effect only exists in GLSL mode. It needs the usage of [[Command-Line_Reference#-normal\|-normal flag]] and new normal maps.		*# '''n''': normal map. This effect only exists in GLSL mode. It needs the usage of [[Command-Line_Reference#-normal\|-normal flag]] and new normal maps.
	*# '''h''': height map (parallax mapping). This effect only exists in GLSL mode. It needs the usage of [[Command-Line_Reference#-height\|-height flag]] AND [[Command-Line_Reference#-normal\|-normal flag]]. So you cannot have parallax mapping without normal mapping. It also needs the usage of new height maps.		*# '''h''': height map (parallax mapping). This effect only exists in GLSL mode. It needs the usage of [[Command-Line_Reference#-height\|-height flag]] AND [[Command-Line_Reference#-normal\|-normal flag]]. So you cannot have parallax mapping without normal mapping. It also needs the usage of new height maps.
	*# '''e''': environment map. As always, this effect is switched on by [[Command-Line_Reference#-env\|-env flag]] ~~and it~~ is affected by the alpha channel on the specular map.		*# '''e''': environment map. As always, this effect is switched on by [[Command-Line_Reference#-env\|-env flag]] AND [[Command-Line_Reference#-spec\|-spec flag]]. So you cannot have env mapping effect without specular bright effect. This happens because the env mapping effect is affected by the alpha channel on the specular map. This also happens in legacy fixed render pipeline mode.
	*# The '''-v''' files are vertex shaders, the '''-f''' files are fragment shaders.		*# The '''-v''' files are vertex shaders, the '''-f''' files are fragment shaders.
	* Vertex and framgent shaders are paired up by the needed functions in the fragment part. Therefore, there are less vertex shaders than fragment ones. The used vertex shaders are:		* Vertex and framgent shaders are paired up by the needed functions in the fragment part. Therefore, there are less vertex shaders than fragment ones. The used vertex shaders are:

← Older revision		Revision as of 21:32, 12 March 2009
Line 52:		Line 52:
	* The game uses a fixed number of shaders (66). Each one of them can be identified through its name with the next key. It also shows the order used in the name convention, so there's a ''lb'' shader but not a ''bl'' one.		* The game uses a fixed number of shaders (66). Each one of them can be identified through its name with the next key. It also shows the order used in the name convention, so there's a ''lb'' shader but not a ''bl'' one.
	*# '''Null''': Just color/shading only, no lighting or textures used. As you can imagine, there's no mixed usage with any other kind of shader.		*# '''Null''': Just color/shading only, no lighting or textures used. As you can imagine, there's no mixed usage with any other kind of shader.
	*# '''l''': lighting enabled~~. So it is the opposite to ''Null''. All the normally used shaders are ''l + whatever''~~.		*# '''l''': lighting enabled.
	*# '''f''': indicates fog based lighting condition effects. (Not to be confused with the -f that denotes fragment shaders).		*# '''f''': indicates fog based lighting condition effects. (Not to be confused with the -f that denotes fragment shaders).
	*# '''b''': uses base/diffuse map~~. (It only exists for fragment shaders)~~.		*# '''b''': uses base/diffuse map.
	*# '''g''': glow map. As always, this effect is switched on by [[Command-Line_Reference#-glow\|-glow flag]] and it needs associated glow maps. (It only exists for fragment shaders).		*# '''g''': glow map. As always, this effect is switched on by [[Command-Line_Reference#-glow\|-glow flag]] and it needs associated glow maps. (It only exists for fragment shaders).
	*# '''s''': specular map. As always, this effect is switched on by [[Command-Line_Reference#-spec\|-spec flag]] and it needs associated specular maps. (It only exists for fragment shaders).		*# '''s''': specular map. As always, this effect is switched on by [[Command-Line_Reference#-spec\|-spec flag]] and it needs associated specular maps. (It only exists for fragment shaders).
Line 63:		Line 63:
	* Vertex and framgent shaders are paired up by the needed functions in the fragment part. Therefore, there are less vertex shaders than fragment ones. The used vertex shaders are:		* Vertex and framgent shaders are paired up by the needed functions in the fragment part. Therefore, there are less vertex shaders than fragment ones. The used vertex shaders are:
	*# '''Null-v''', which offers color/shading only.		*# '''Null-v''', which offers color/shading only.
	# '''l-v''', which offers lighting.		# '''l-v''', which offers lighting and mapping, (ie. textures), support.
	# '''f*-v''', which gives you fog support.		# '''f*-v''', which gives you fog support.
	# '''n*-v''', which provides access to the tangent space data needed for normal maps.		# '''n*-v''', which provides access to the tangent space data needed for normal maps.
	# '''e-v''', which adds the env translation matrix.		# '''e-v''', which adds the env translation matrix.
			*# Special case: '''b-v''', which offers mapping support (textures), but no lighting.
	* Examples of vertex and fragment pairs:		* Examples of vertex and fragment pairs:
	** The only special thing that ''lbgs-f'' needs is lighting, which means it only has to be paired up with ''l-v''.		** The only special thing that ''lbgs-f'' needs is lighting, which means it only has to be paired up with ''l-v''.
	** But ''lbgse-f'' needs envmap support too, so it is paired up with ''le-v'' which has access to the env translation matrix.		** But ''lbgse-f'' needs envmap support too, so it is paired up with ''le-v'' which has access to the env translation matrix.
	** In F3 lab, if all the textures are turned off, so there's only lighting applied over the white bare flat surfaces of the POF model, ''l-v'' and ''Null-f'' are the used shaders.		** In F3 lab, if all the textures are turned off, so there's only lighting applied over the white bare flat surfaces of the POF model, ''l-v'' and ''Null-f'' are the used shaders.
			** In F3 lab, if all the textures AND the lighting too are turned off, ''Null-v'' and ''Null-f'' are used. Only a white silhouette of the ship is rendered.
			** ''b-v'' and ''b-f'' / ''bg-f''. This pair is used in HUD target box, where the game renders a textured ship, with glowmaps (''bg-f'') or without them (''b-f''), but it lacks any lighting. It is also used in F3 lab if lighting is turned off while keeping the textures on.

← Older revision		Revision as of 08:13, 12 March 2009
Line 51:		Line 51:
	* Starting from version 3.6.10., MediaVP package includes a full set of shaders within mv_core.vp.		* Starting from version 3.6.10., MediaVP package includes a full set of shaders within mv_core.vp.
	* The game uses a fixed number of shaders (66). Each one of them can be identified through its name with the next key. It also shows the order used in the name convention, so there's a ''lb'' shader but not a ''bl'' one.		* The game uses a fixed number of shaders (66). Each one of them can be identified through its name with the next key. It also shows the order used in the name convention, so there's a ''lb'' shader but not a ''bl'' one.
	*# '''l''': lighting enabled.		*# '''Null''': Just color/shading only, no lighting or textures used. As you can imagine, there's no mixed usage with any other kind of shader.
			*# '''l''': lighting enabled. So it is the opposite to ''Null''. All the normally used shaders are ''l + whatever''.
	*# '''f''': indicates fog based lighting condition effects. (Not to be confused with the -f that denotes fragment shaders).		*# '''f''': indicates fog based lighting condition effects. (Not to be confused with the -f that denotes fragment shaders).
	*# '''b''': uses base/diffuse map.		*# '''b''': uses base/diffuse map. (It only exist for fragment shaders).
	*# '''g''': glow map. As always, this effect is switched on by [[Command-Line_Reference#-glow\|-glow flag]] and it needs associated glow maps.		*# '''g''': glow map. As always, this effect is switched on by [[Command-Line_Reference#-glow\|-glow flag]] and it needs associated glow maps. (It only exist for fragment shaders).
	*# '''s''': specular map. As always, this effect is switched on by [[Command-Line_Reference#-spec\|-spec flag]] and it needs associated specular maps.		*# '''s''': specular map. As always, this effect is switched on by [[Command-Line_Reference#-spec\|-spec flag]] and it needs associated specular maps. (It only exist for fragment shaders).
	*# '''n''': normal map. This effect only exists in GLSL mode. It needs the usage of [[Command-Line_Reference#-normal\|-normal flag]] and new normal maps.		*# '''n''': normal map. This effect only exists in GLSL mode. It needs the usage of [[Command-Line_Reference#-normal\|-normal flag]] and new normal maps.
	*# '''h''': height map (parallax mapping). This effect only exists in GLSL mode. It needs the usage of [[Command-Line_Reference#-height\|-height flag]] AND [[Command-Line_Reference#-normal\|-normal flag]]. So you cannot have parallax mapping without normal mapping. It also needs the usage of new height maps.		*# '''h''': height map (parallax mapping). This effect only exists in GLSL mode. It needs the usage of [[Command-Line_Reference#-height\|-height flag]] AND [[Command-Line_Reference#-normal\|-normal flag]]. So you cannot have parallax mapping without normal mapping. It also needs the usage of new height maps. (It only exist for fragment shaders).
	*# '''e''': environment map. As always, this effect is switched on by [[Command-Line_Reference#-env\|-env flag]] AND [[Command-Line_Reference#-spec\|-spec flag]]. So you cannot have env mapping effect without specular bright effect. This happens because the env mapping effect is affected by the alpha channel on the specular map. This also happens in legacy fixed render pipeline mode.		*# '''e''': environment map. As always, this effect is switched on by [[Command-Line_Reference#-env\|-env flag]] AND [[Command-Line_Reference#-spec\|-spec flag]]. So you cannot have env mapping effect without specular bright effect. This happens because the env mapping effect is affected by the alpha channel on the specular map. This also happens in legacy fixed render pipeline mode.
	*# The '''-v''' files are vertex shaders, the '''-f''' files are fragment shaders.		*# The '''-v''' files are vertex shaders, the '''-f''' files are fragment shaders.
Line 69:		Line 70:
	** The only special thing that ''lbgs-f'' needs is lighting, which means it only has to be paired up with ''l-v''.		** The only special thing that ''lbgs-f'' needs is lighting, which means it only has to be paired up with ''l-v''.
	** But ''lbgse-f'' needs envmap support too, so it is paired up with ''le-v'' which has access to the env translation matrix.		** But ''lbgse-f'' needs envmap support too, so it is paired up with ''le-v'' which has access to the env translation matrix.
			** In F3 lab, if all the textures are turned off, so there's only lighting applied over the white bare flat surfaces of the POF model, ''l-v'' and ''Null-f'' are the used shaders.