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id Tech 6 est la 6 e version du moteur de jeu d'id software, sortie sept ans après l'id Tech 5 [1]. Doom (2016) est le premier jeu utilisant l'id Tech 6, dévoilé à la QuakeCon 2014 [2], [3]. Il s'agit de la dernière version dont la programmation a été dirigée par John Carmack [réf. nécessaire], qui désormais ne travaille plus chez Id ...
- id Software
- Moteur de jeu
- C++
Powered by the id Tech 7 engine, Doom Eternal was released on March 20, 2020. The new engine is capable of delivering an increase in geometric detail without drops in frame-rate vs. id Tech 6. [12] On PC, id Tech 7 supports Vulkan rendering only. [13]
- Opaque Forward Passes
- Deferred Pass
- Transparency Pass
- Asynchronous Post-Process
Megatexture update
As in id Tech 5, texturing is accomplished through use of virtual textures, 16000x8000 atlases of 128x128 tiles which are cached based on visibility. Textures are moved in and out of the atlas when necessary, though this is still accomplished in a mostly reactive, rather than predictive, nature, resulting in occasional visibility of texture popup. This is cited by id Software's programmers as room for future engineering improvement. The use of megatextures means that each area looks unique, a...
Shadow caching
Dynamic shadows are aggressively cached by the engine, using results computed in previous frames and retaining them in a megatextureatlas. If the lighting of an area has not changed when it needs to be rendered again (for example, no dynamic elements such as actors have moved into or out of it), then the previous shadow map is retained. Static elements can also be independently retained while shadows cast by moving dynamic geometry are recomputed over them. The shadow cache is an 8000x8000 32...
Depth pre-pass
Opaque meshes, including static and dynamic scene geometry, as well as the player's weapon, are rendered to the depth buffer to obtain z information. At this time, the engine also computes a velocity map using the difference in vertex positions of dynamic objects from the previous frame, the result being a colored texture representing the motion of objects in the scene relative to the player in horizontal and vertical directions. This is later used to accomplish temporal screen-space antialia...
In the deferred pass, various screen-space effects are computed. The first of these is screen space ambient occlusion (SSAO), a technique which darkens colors around seams and avoids artifacts from occluded geometry. Screen-space reflections (SSR) are then computed, using a combination of the depth buffer, normals, specular map, and the previous re...
In the transparency pass, particle lighting is computed, various visual effects are rendered, and glass surfaces are rendered. Particle lighting is decoupled from other elements due to the large number of possible particle effects per scene. Lighting for particles is computed independent from screen resolution, with adaptation to LOD. Computed part...
Post-process effects are computed asynchronously and can overlap with elements of the opaque pass since the former rarely uses compute shaders. If a depth-of-field effect is active, it will be computed first. A near-field and far-field image are created, using disk blur at half resolution to accomplish a proper bokeh effect. Temporal anti-aliasing ...
id Tech 6 est la 6 e version du moteur de jeu d'id software, sortie sept ans après l'id Tech 5 [1]. Doom (2016) est le premier jeu utilisant l'id Tech 6, dévoilé à la QuakeCon 2014 [2], [3]. Il s'agit de la dernière version dont la programmation a été dirigée par John Carmack [réf. nécessaire], qui désormais ne travaille plus chez Id ...
id Tech 6 is a multiplatform game engine developed by id Software. It is the successor to id Tech 5 and was first used to create the 2016 video game Doom. Internally, the development team also used the codename id Tech 666 to refer to the engine.
Jul 14, 2024 · id Tech 6 is a multiplatform game engine developed by id Software. It is the successor to id Tech 5 and was first used to create the 2016 video game Doom. Internally, the development team also used the codename id Tech 666 to refer to the engine.
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id Tech 4 resulted in the obsolescence of DirectX 7 graphics chips such as the widespread GeForce 2 and Radeon 7200, as well as older chipsets such as RIVA TNT2 and Rage 128, and software rendering (with an integrated Intel GMA).
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