GPU/Procedural Texture Generation - Revision history

Steveice10 at 07:23, 5 December 2015

2015-12-05T06:23:05Z

← Older revision		Revision as of 09:23, 5 December 2015
Line 16:		Line 16:
	* Frequency		* Frequency
	* Phase		* Phase

			These parameters are configured starting [[GPU/Internal_Registers#GPUREG_TEXUNIT3_PROCTEX1\|here]].

	== Repeat Module ==		== Repeat Module ==
Line 22:		Line 24:
	== Base Shape ==		== Base Shape ==

	The U’’ and V’’ coordinates are used to generate a scalar value in the range [0;1] from the wrapped coordinates using one of six functions:		The U’’ and V’’ coordinates are used to generate a scalar value in the range [0;1] from the wrapped coordinates using one of six functions documented [[GPU/Internal_Registers#GPUREG_TEXUNIT3_PROCTEX0\|here]].
	* ADDSQRT2: sqrt(U’’U’’+V’’V’’) (?)
	* U’’: U’’ (discards V’’)
	* V’’: V’’ (discards U’’)
	* MIN: min(U’’,V’’)
	* MAX: max(U’’,V’’)
	* ADD: U’’+V’’

	The output of this function is named "g".		The output of this function is named "g".
Line 38:		Line 34:
	* a triangle function		* a triangle function

	The final texel color is determined by using the value of F(g) as an index into a configurable lookup table ~~(which is presumed to span 3 kilobytes of data)~~.		The final texel color is determined by using the value of F(g) as an index into a configurable [[GPU/Internal_Registers#GPUREG_PROCTEX_LUT\|lookup table]].

2015-12-05T06:17:46Z

← Older revision		Revision as of 09:17, 5 December 2015
Line 2:		Line 2:
	The 3DS GPU supports procedural generation of texture data using [[GPU/Internal_Registers#GPUREG_TEXUNIT3_PROCTEX0\|texture unit 3]]. Little is known about this feature, albeit a few public hints have been dropped. The contents of this page are solely based on reports on a [http://www.4gamer.net/games/017/G001762/20120822007/ presentation] given by DMP.		The 3DS GPU supports procedural generation of texture data using [[GPU/Internal_Registers#GPUREG_TEXUNIT3_PROCTEX0\|texture unit 3]]. Little is known about this feature, albeit a few public hints have been dropped. The contents of this page are solely based on reports on a [http://www.4gamer.net/games/017/G001762/20120822007/ presentation] given by DMP.

	The related GPU registers can be found starting [[GPU/Internal_Registers#GPUREG_TEXUNIT3_PROCTEX0\|here]]		The related GPU registers can be found starting [[GPU/Internal_Registers#GPUREG_TEXUNIT3_PROCTEX0\|here]].

	== Overview ==		== Overview ==

2015-12-05T06:17:36Z

← Older revision		Revision as of 09:17, 5 December 2015
Line 1:		Line 1:
	[[Category:GPU]]		[[Category:GPU]]
	The 3DS GPU supports procedural generation of texture data using [[GPU/Internal_Registers#GPUREG_TEXUNIT3_PROCTEX0\|texture unit 3]]. Little is known about this feature, albeit a few public hints have been dropped. The contents of this page are solely based on reports on a [http://www.4gamer.net/games/017/G001762/20120822007/ presentation] given by DMP.		The 3DS GPU supports procedural generation of texture data using [[GPU/Internal_Registers#GPUREG_TEXUNIT3_PROCTEX0\|texture unit 3]]. Little is known about this feature, albeit a few public hints have been dropped. The contents of this page are solely based on reports on a [http://www.4gamer.net/games/017/G001762/20120822007/ presentation] given by DMP.

			The related GPU registers can be found starting [[GPU/Internal_Registers#GPUREG_TEXUNIT3_PROCTEX0\|here]]

	== Overview ==		== Overview ==

2015-12-05T03:31:33Z

← Older revision		Revision as of 06:31, 5 December 2015
Line 1:		Line 1:
	[[Category:GPU]]		[[Category:GPU]]
	The 3DS GPU supports procedural generation of texture data using [[~~GPU_Textures~~\|texture unit 3]]. Little is known about this feature, albeit a few public hints have been dropped. The contents of this page are solely based on reports on a [http://www.4gamer.net/games/017/G001762/20120822007/ presentation] given by DMP.		The 3DS GPU supports procedural generation of texture data using [[GPU/Internal_Registers#GPUREG_TEXUNIT3_PROCTEX0\|texture unit 3]]. Little is known about this feature, albeit a few public hints have been dropped. The contents of this page are solely based on reports on a [http://www.4gamer.net/games/017/G001762/20120822007/ presentation] given by DMP.

	== Overview ==		== Overview ==

2015-09-04T09:30:15Z

fix typo

2015-08-23T14:36:29Z

← Older revision		Revision as of 18:36, 23 August 2015
Line 1:		Line 1:
	[[Category:GPU]]		[[Category:GPU]]

	The 3DS GPU supports procedural generation of texture data using [[GPU_Textures\|texture unit 3]]. Little is known about this feature, albeit a few public hints have been dropped. The contents of this page are solely based on reports on a [http://www.4gamer.net/games/017/G001762/20120822007/ presentation] given by DMP.		The 3DS GPU supports procedural generation of texture data using [[GPU_Textures\|texture unit 3]]. Little is known about this feature, albeit a few public hints have been dropped. The contents of this page are solely based on reports on a [http://www.4gamer.net/games/017/G001762/20120822007/ presentation] given by DMP.

2015-08-23T14:35:47Z

← Older revision		Revision as of 18:35, 23 August 2015
Line 1:		Line 1:
			[[Category:GPU]]

	The 3DS GPU supports procedural generation of texture data using [[GPU_Textures\|texture unit 3]]. Little is known about this feature, albeit a few public hints have been dropped. The contents of this page are solely based on reports on a [http://www.4gamer.net/games/017/G001762/20120822007/ presentation] given by DMP.		The 3DS GPU supports procedural generation of texture data using [[GPU_Textures\|texture unit 3]]. Little is known about this feature, albeit a few public hints have been dropped. The contents of this page are solely based on reports on a [http://www.4gamer.net/games/017/G001762/20120822007/ presentation] given by DMP.

2015-08-20T20:49:54Z

Overview

← Older revision		Revision as of 00:49, 21 August 2015
Line 3:		Line 3:
	== Overview ==		== Overview ==
	Procedural texture generation has four stages:		Procedural texture generation has four stages:
	* Noise Module		* Noise Module (outputs u′,v′)
	* Repeat Module		* Repeat Module (outputs u′′,v′′)
	* Base Shape (also notated as G(u,v))		* Base Shape (also notated as G(u′′,v′′), output g)
	* F(g) and Lookup Table		* F(g) and Lookup Table

2015-08-20T20:46:36Z

← Older revision		Revision as of 00:46, 21 August 2015
Line 5:		Line 5:
	* Noise Module		* Noise Module
	* Repeat Module		* Repeat Module
	* Base Shape		* Base Shape (also notated as G(u,v))
	* F(g) and Lookup Table		* F(g) and Lookup Table

	== Noise Module ==		== Noise Module ==
	This stage applies noise on the input coordinates. Little is known about this other than that there are three noise parameters:		This stage applies noise on the input coordinates. Little is known about this other than that there are three noise parameters:
	* Turbulence (?)
	* Amplitude		* Amplitude
			* Frequency
	* Phase		* Phase

2015-08-20T20:45:32Z

Noise Module

← Older revision		Revision as of 00:45, 21 August 2015
Line 11:		Line 11:
	This stage applies noise on the input coordinates. Little is known about this other than that there are three noise parameters:		This stage applies noise on the input coordinates. Little is known about this other than that there are three noise parameters:
	* Turbulence (?)		* Turbulence (?)
	* ~~Frequency~~		* Amplitude
	* Phase		* Phase