RenderWare

RenderWare
	File:RenderwareLogo.JPG
Developer(s)	Criterion Software
Initial release	1993
Final release	3.7 / 2007
Written in	C, C++
Engine
Operating system	Microsoft Windows, PlayStation 2, Xbox, GameCube, PSP, Nintendo DS
Available in	English
Type	Game engine, Middleware
License	Proprietary commercial
Website	www.renderware.com [dead link]

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RenderWare is a game engine middleware developed by Criterion Software, a British subsidiary of Criterion Games. First released commercially in 1993, it became one of the most widely used third-party 3D engines in the video game industry during the late 1990s and early 2000s, particularly on the PlayStation 2, Xbox, and GameCube. Its acquisition by Electronic Arts in 2004 accelerated its decline, but its technical legacy remains significant. Major franchises such as Grand Theft Auto, Burnout, and Mortal Kombat relied on it as their rendering backbone.

History

Origins and early versions (1993–1997)

RenderWare was born at Criterion Software Ltd, a company founded in 1993 in Guildford, England. At that time, game developers wrote virtually all their own graphics engines from scratch — a costly and time-consuming process. Criterion Software's ambition was to offer a general-purpose 3D engine as a reusable software library, letting studios focus on game design rather than low-level graphics programming.

The first version of RenderWare targeted DOS and then Windows PCs, at a time before consumer 3D acceleration hardware existed. The engine operated entirely in software rendering mode, handling rasterization, depth buffering, and texture mapping entirely on the CPU. This approach was standard before the arrival of dedicated 3D cards like the 3dfx Voodoo in 1996.

Early titles such as TrickStyle (1999) and Dave Mirra Freestyle BMX (2000) represent this first generation, where RenderWare was primarily a PC and Dreamcast engine.

The golden age: the PlayStation 2 era (2000–2004)

The launch of the PlayStation 2 in 2000 proved a decisive turning point. Its hardware architecture, centred on the Emotion Engine CPU and the Graphics Synthesizer (GS), was notoriously difficult to program efficiently. Criterion Software adapted RenderWare for this complex architecture and released RenderWare 3, which quickly became the reference middleware of the era.

In 2001, Rockstar Games adopted RenderWare to develop Grand Theft Auto III, the first fully three-dimensional open-world entry in the series. The game's worldwide success brought the engine unprecedented recognition. Grand Theft Auto: Vice City (2002) and Grand Theft Auto: San Andreas (2004) continued this collaboration, demonstrating the engine's ability to handle large urban environments, on-the-fly area streaming, and a high number of simultaneous entities.

Between 2000 and 2004, Criterion Software claimed over 50% market share among third-party engines on the PlayStation 2, with hundreds of licensed titles shipped worldwide.

Acquisition by Electronic Arts and decline (2004–2007)

In August 2004, Electronic Arts acquired Criterion Software for an amount estimated at approximately £48 million. The industry reacted with considerable concern: EA, a direct competitor to many of the studios using RenderWare, had suddenly become the owner of the engine underpinning their games in development.

Those concerns were quickly borne out. EA ceased active development of RenderWare as a commercial third-party product and redirected Criterion's engineering teams toward the Burnout franchise. Third-party studios, deprived of meaningful support, turned to alternatives such as Unreal Engine, Havok for physics, or invested in proprietary in-house solutions.

The final official release, RenderWare 3.7, shipped in 2007. It remained in use on a handful of ongoing projects but was no longer distributed to new licensees. The official website renderware.com was progressively abandoned.

Technical architecture

Design philosophy

RenderWare is built around one central principle: hardware abstraction. The engine exposes a single, consistent API to developers regardless of the target platform. Internally, the low-level layers (backends) are platform-specific: rendering on the PlayStation 2 goes through the Graphics Synthesizer, while on PC it can target DirectX or OpenGL. The developer is shielded from these differences entirely.

The entire engine is written in C (with some C++ in tooling), ensuring maximum portability and near-metal performance. All public symbols follow a systematic prefix naming convention:

The prefix Rw identifies core engine objects (RenderWare Core): RwTexture, RwCamera, RwFrame…
The prefix Rp identifies plugin objects (RenderWare Plugin): RpWorld, RpClump, RpAtomic…
The prefix Rt identifies utility toolkit objects (RenderWare Toolkit): RtBMP, RtTOC…

The scene graph

RenderWare organises 3D objects in a hierarchical scene graph structured around two key concepts:

An RwFrame is a transformation node in the hierarchy. Each frame holds a 4×4 matrix describing its position, orientation, and scale relative to its parent. Frames can be chained to form skeletons or object hierarchies (a car with rotating wheels, a character with articulated limbs).

An RpAtomic is the fundamental rendering unit: it binds a RpGeometry (the 3D mesh) to an RwFrame (its position in the world). The atomic is the object ultimately submitted to the render pipeline.

An RpClump is a container grouping multiple RpAtomic objects and their associated frames. It typically represents a complete object (a vehicle, a character) with all its constituent parts.

An RpWorld represents the static environment (the level, the city), optimised via a spatial partitioning structure based on a BSP tree (Binary Space Partitioning). This structure enables efficient frustum culling: only the zones visible within the camera's view frustum are submitted for rendering.

The render pipeline

RenderWare's render pipeline follows a modular, extensible model based on chained processing pipelines:

Visibility determination: The RpWorld BSP tree is traversed to identify the sectors (WorldSectors) that intersect the camera frustum. An optional occlusion culling pass can further reduce geometry load depending on configuration.

Atomic collection: Visible RpAtomic objects are collected into a render list.

Sorting: Objects can be sorted by distance to the camera, chiefly for correct transparency ordering (back-to-front, painter's algorithm) or to minimise redundant render state changes (state sorting).

Hardware submission: Each atomic is passed to its assigned render pipeline. RenderWare provides a system of customisable pipelines: an atomic pipeline is a sequence of processing nodes (pipeline nodes) that transform geometry data into primitives submitted to the GPU or software rasteriser.

This pipeline node system allows developers to modify or extend rendering at any stage: inserting a vertex pre-processing step for skeletal skinning, adding a normal mapping calculation, or implementing proprietary special effects.

File formats

RenderWare defines its own binary formats, organised as typed chunks (TLV structure: Type, Length, Value):

Extension	Content	Description
`.dff`	Clump	3D model: geometries, materials, frame hierarchy, animation data
`.bsp`	World	Static level with BSP tree for spatial partitioning
`.txd`	Texture Dictionary	Texture container grouping multiple compressed textures (RGBA, DXT, etc.)
`.anm`	Animation	Skeletal animation data (rotation/translation keyframes per bone)
`.col`	Collision	Collision geometry data (extended format, notably by Rockstar Games)

These formats are read and written via RenderWare's stream system, which handles serialisation and deserialisation through a generic stream abstraction compatible with disk files, memory buffers, and network sockets.

Textures and compression

Texture management in RenderWare revolves around RwTexDictionary objects (TXD files), shared containers referenced by multiple scene objects. This architecture allows video memory to be pooled: several models referencing the same textures load only a single instance into VRAM.

On the PlayStation 2, textures are stored in a proprietary format targeting the Graphics Synthesizer, with support for palettised textures (4 or 8 bits per pixel with a colour lookup table) to conserve the console's limited 4 MB of VRAM. On PC, the engine supports DXT1, DXT3, and DXT5 (S3TC) compressed formats as well as uncompressed 32-bit RGBA.

Companion systems

From version 3.x onward, RenderWare was structured as a suite of modular products:

RenderWare Graphics: The 3D graphics engine described above, the core of the suite.
RenderWare Audio: An integrated audio engine handling sound playback, 3D positional mixing, and DSP effects. Based on Sensaura technology.
RenderWare Physics: A physics simulation module covering rigid body dynamics, joints, and collision detection. A direct competitor to Havok for projects already using RenderWare Graphics.
RenderWare AI: An experimental artificial intelligence module covering navigation and agent behaviours.

RenderWare Studio

To streamline content creation, Criterion Software shipped RenderWare Studio, an integrated development environment enabling artists and game designers to:

Assemble scenes from assets exported via dedicated 3ds Max or Maya plug-ins.
Preview rendering in real time within the target environment, emulating the characteristics of the intended platform.
Configure render pipelines, materials, and physics properties through a graphical interface.
Generate final data files (DFF, BSP, TXD) ready for integration into the project build.

This toolchain was one of RenderWare's strongest commercial selling points: it narrowed the gap between artists and engine code, enabling faster iteration on visuals without requiring programmer intervention for every asset change.

Distribution and licensing model

Per-title licensing

Criterion Software distributed RenderWare under a per-title licensing model common in middleware of the era. Studios paid:

An upfront fee to access the SDK, tools, and technical support.
A royalty on sales, typically calculated as a percentage of the revenue generated by each shipped title using the engine.

This model allowed small independent studios to access state-of-the-art technology without investing years of engineering time in an in-house engine.

The RenderWare SDK

The SDK (Software Development Kit) was delivered as:

Compiled libraries (.lib on Windows, archives on console platforms) specific to each target platform.
C header files exposing the complete public API.
Technical documentation (several thousand pages in HTML or PDF format).
Code samples illustrating key engine features.
Exporter plug-ins for 3ds Max and Maya, enabling export of assets in native RenderWare formats.

Criterion Software provided dedicated technical support to licensed studios through a private web portal (RWZone), giving access to updates, patches, and a technical knowledge base.

Cross-platform portability

One of RenderWare's primary sales arguments was its ability to target multiple platforms simultaneously from a single codebase. A given title could be ported from PlayStation 2 to Xbox or GameCube with minimal rewriting, since platform-specific hardware backends were managed by the engine itself. While this promise was never entirely frictionless in practice — memory architectures and relative performance profiles differ significantly between platforms — it represented a substantial productivity gain for multi-platform publishers and became a decisive factor in large-scale adoption.

Legacy and influence

RenderWare profoundly shaped the video game industry during the sixth generation of home consoles. It democratised access to real-time 3D for dozens of studios, particularly in the United Kingdom and continental Europe. Its third-party middleware business model influenced later commercial engines, including Unreal Engine (which adopted a comparable licensing structure) and Unity.

On a purely technical level, RenderWare's modular pipeline architecture, its chunk-based file format system, and its plugin-oriented organisation established conventions that can be found in many engines developed in the years that followed.

The Electronic Arts acquisition remains a frequently cited case study of the risks inherent in depending on third-party middleware: studios such as Rockstar Games had to migrate to proprietary in-house engines (the RAGE engine) to regain control of their technology pipeline — a process that took years and significant resources.

Games list

Game	Year	Platform(s)	Publisher / Developer
AFL Live 2003	2002	PlayStation 2, Xbox	IR Gurus
AFL Live 2004	2003	PlayStation 2, Xbox	IR Gurus
AFL Live Premiership Edition	2004	PlayStation 2, Xbox	IR Gurus
AFL Premiership 2005	2005	PlayStation 2	IR Gurus
AFL Premiership 2006	2006	PlayStation 2	IR Gurus
AFL Premiership 2007	2007	PlayStation 2	IR Gurus
Airport Tycoon	2000	PC
AirBlade	2002	PlayStation 2	Criterion Games / Software
Asterix & Obelix XXL	2004	PlayStation 2, GameCube, PC	Atari / Étranges Libellules
Apache: Air Assault	2010	PC
Backyard Basketball 2004	1999–present	PC, PlayStation 2, Xbox 360, Wii, DS, GameCube, GBA	Various
Battlefield 2: Modern Combat	2005	PlayStation 2, Xbox, Xbox 360	DICE
Black	2006	PlayStation 2, Xbox	Criterion Games / Electronic Arts
Bleach: Erabareshi Tamashii	2005	PlayStation 2	Sony Computer Entertainment
Blitz: The League	2005	PlayStation 2, Xbox	Midway Games
Bratz: Rock Angelz	2004	PlayStation 2, GameCube, PC	Blitz Games, AWE Games
Broken Sword: The Sleeping Dragon	2003	PlayStation 2, PC, Xbox	The Adventure Company, THQ
Bully	2006	PlayStation 2	Rockstar Games
Burnout	2001	GameCube, PlayStation 2, Xbox	Criterion Games / Acclaim Entertainment
Burnout 2: Point of Impact	2002	GameCube, PlayStation 2, Xbox	Criterion Games / Acclaim Entertainment
Burnout 3: Takedown	2004	PlayStation 2, Xbox	Criterion Games / Electronic Arts
Burnout Legends	2005	Nintendo DS, PSP	Criterion Games / Electronic Arts
Burnout Revenge	2005	PlayStation 2, Xbox, Xbox 360	Criterion Games / Electronic Arts
Burnout Dominator	2007	PlayStation 2, PSP	Electronic Arts
Burnout Paradise	2008	PlayStation 3, Xbox 360, PC	Criterion Games / Electronic Arts
Call of Duty: Finest Hour	2004	GameCube, PlayStation 2, Xbox	Activision
Chinese Paladin 4	2007	PC	Softstar Shanghai
Chinese Paladin 5	2011	PC	Softstar Beijing
Chinese Paladin Online	2009	PC	Softstar Taipei
City Crisis	2001	PlayStation 2	Syscom Entertainment, Take-Two Interactive
Cold Fear	2005	PlayStation 2, Xbox, PC	Darkworks, Ubisoft
Cold Winter	2005	PlayStation 2	Vivendi Universal Games
Commandos: Strike Force	2006	PlayStation 2, PC, Xbox	Eidos Interactive
Corvette Evolution GT	2006	PlayStation 2, PC	Black Bean, Milestone
Crackdown	2007	Xbox 360	Microsoft Game Studios
Darkwatch	2005	PlayStation 2, Xbox	Capcom
Dave Mirra Freestyle BMX	2000	PC, PlayStation, Dreamcast, GBC	Z-Axis Ltd., Acclaim
Dream of Mirror Online	2005	PC	Softstar Taipei
DreamMix TV World Fighters	2003	PlayStation 2, GameCube	Red Entertainment
Eve: Burst Error Plus	2003	PlayStation 2	Game Village
Evil Dead: Regeneration	2005	PlayStation 2, Xbox, Windows	Cranky Pants Games, THQ
Fate/unlimited codes	2008	Arcade, PlayStation 2, PSP	Type-Moon, Cavia, Eighting, Capcom
Football Generation	2003	Windows	1C Company, FX Interactive, Take-Two Interactive
Frank Herbert's Dune	2001	PlayStation 2, PC	Cryo Interactive
Gauntlet: Seven Sorrows	2005	PlayStation 2, Xbox	Midway Home Entertainment
G-Nome	1998	PC	7th Level
Grand Theft Auto III	2001	PlayStation 2, Windows, Xbox	Rockstar Games
Grand Theft Auto: San Andreas	2004	PlayStation 2, Windows, Xbox	Rockstar Games
Grand Theft Auto: Vice City	2002	PlayStation 2, Windows, Xbox	Rockstar Games
Headhunter: Redemption	2004	PlayStation 2, Xbox	Sega of America
Hudson Selection Vol. 3: PC Genjin	2003	PlayStation 2, GameCube	Hudson Soft
Käpt'n Blaubär - Bannig auf Zack	2005	PC	Tivola
Kamen Rider: Seigi no Keifu	2005	PlayStation 2	Bandai, Cavia
Kill Switch	2003	PlayStation 2, PC, Xbox	Hip Interactive, Namco Hometek
killer7	2005	PlayStation 2, GameCube	Capcom
Madagascar	2005	GameCube, PlayStation 2, PC, Xbox	Activision
Manhunt	2003	PC, PlayStation 2, Xbox	Rockstar North
Max Payne 2: The Fall of Max Payne	2003	PlayStation 2, Xbox	Rockstar Vienna
MLB 2K5	2004	PlayStation 2, Xbox
Mortal Kombat: Armageddon	2006	PlayStation 2, Xbox, Wii	Midway Home Entertainment
Mortal Kombat: Deadly Alliance	2002	GBA, GameCube, PlayStation 2, Xbox	Midway
Mortal Kombat: Deception	2004	GameCube, PlayStation 2, Xbox	Midway Home Entertainment
Nana	2005	PlayStation 2	Konami
NBA Ballers	2004	PlayStation 2, Xbox	Midway Games
NFL Blitz 20-03	2002	PlayStation 2, GameCube, Xbox	Midway
NRL Rugby League	2003	PlayStation 2, PC, Xbox	Tru Blu Entertainment
ObsCure	2004	PlayStation 2, Windows, Xbox	DreamCatcher Interactive, MC2 France
Outlaw Golf 2	2004	PlayStation 2, Xbox	Global Star Software
Premier Manager 2005/2006	2005	PC, PlayStation 2	Zoo Digital Publishing
Pro Evolution Soccer 2	2002	PlayStation, PlayStation 2, PC	Konami
Rayman Revolution	2000	PlayStation 2	Ubisoft
Red Jets	2006	PC	InterActive Vision
Rich Man 7	2003	PC	Softstar Beijing
Rich Man 7 Plus	2004	PC	Softstar Beijing
Rich Man 8	2006	PC	Softstar Beijing
Rich Man Universe Online	2010	PC	Softstar Beijing
Risk: Global Domination	2003	PlayStation 2	Cyberlore Studios / Atari
RoboCop	2003	PC, PlayStation 2, Xbox	Titus
Scorched Planet	1996	PC	Virgin Interactive / Criterion Games
S.C.A.R. – Squadra Corse Alfa Romeo	2005	PlayStation 2, Xbox, PC	Black Bean, Milestone
Scar of Sky Online	2010	PC	Softstar Taipei
Secret Weapons Over Normandy	2003	PlayStation 2, Xbox, PC	LucasArts / Totally Games
Shadow the Hedgehog	2005	PlayStation 2, GameCube, Xbox	Sega / Sonic Team USA
Sonic Heroes	2003	PlayStation 2, GameCube, Xbox, PC	Sega / Sonic Team USA
SpongeBob SquarePants: Battle for Bikini Bottom	2003	GameCube, PlayStation 2, PC, Xbox	THQ, Heavy Iron Studios, Aspyr
Stardom 3	2005	PC	Softstar Taipei
Stardom 3 Plus: Valse of Fame	2006	PC	Softstar Taipei
Stardom 3 Plus: Argent Fantasy	2006	PC	Softstar Taipei
Stardom 3 Plus: Sweet Melody	2007	PC	Softstar Taipei
Suikoden III	2002	PlayStation 2	Konami
Super-Bikes: Riding Challenge	2006	PlayStation 2, PC	Black Bean, Milestone
Tech Deck: Bare Knuckle Grind	2005	Xbox	Visionscape Interactive
Teenage Mutant Ninja Turtles: Mutant Melee	2005	GameCube, PlayStation 2, Xbox, PC	Konami
The Incredibles: Rise of the Underminer	2005	Mac OS X, GameCube, PlayStation 2, Windows, Xbox	THQ
The Incredibles	2004	Mac OS X, GameCube, PlayStation 2, Windows, Xbox	THQ, D3 Publisher
The Settlers: Heritage of Kings	2004	Windows	Ubisoft, Blue Byte
The Settlers: Rise of an Empire	2007	Windows	Ubisoft, Blue Byte
The SpongeBob SquarePants Movie	2005	GameCube, PlayStation 2, PC, Xbox	THQ, Aspyr, Heavy Iron Studios
The Sword of Etheria	2005	PlayStation 2	Konami
The Warriors	2005	PlayStation 2, Xbox	Rockstar Toronto, Rockstar Games
Tony Hawk's Pro Skater 3	2001	GameCube, PlayStation 2, PC, Xbox	Neversoft, Activision
Total Overdose	2005	PlayStation 2, Xbox, PC	SCI Games
Toxic Grind	2002	Xbox	THQ, Blue Shift Inc.
TrickStyle	1999	Dreamcast, PC	Acclaim Entertainment, Criterion Games
Wangan Midnight Maximum Tune	2004	Arcade	Genki, Namco
Wangan Midnight Maximum Tune 2	2005	Arcade	Genki, Namco
Without Warning	2005	PlayStation 2, Xbox	Capcom Entertainment
Xuan-Yuan Sword V	2006	PC	DOMO Team, Softstar Entertainment
Xuan-Yuan Sword Plus: Cloud of the Han	2007	PC	DOMO Team, Softstar Entertainment
Xuan-Yuan Sword Plus: The Far of Cloud	2010	PC	DOMO Team, Softstar Entertainment
yourself!fitness	2004	PlayStation 2, Xbox, PC	responDESIGN
Zanzarah: The Hidden Portal	2002	PC (Windows)	Funatics Development, THQ
Zatch Bell! Mamodo Battles	2005	GameCube	Bandai, Eighting

External links

Official website — renderware.com Archived 2005-06-03 at the Wayback Machine

Template:Criterion Games

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