Commit Graph

538 Commits

Author SHA1 Message Date
Yuval Tassa c54f1fe380 Use semantic versioning.
PiperOrigin-RevId: 869102767
Change-Id: I8b01b9343289d4ad7d15bcc3634a28e661308a90
2026-02-12 02:11:20 -08:00
Google DeepMind 336e1026a4 Sparse ten_J and ten_J_colind memory
PiperOrigin-RevId: 868834376
Change-Id: Iec92d9e09e3134666895e54a78cb02439d74a4de
2026-02-11 14:05:43 -08:00
Taylor Howell d011285380 Sparse ten_J and ten_J_colind memory
PiperOrigin-RevId: 868800229
Change-Id: Id83f9fd40dd9bece06fd99753e4202eea17ca884
2026-02-11 12:45:50 -08:00
Adrian Collister d881e9e374 Change tex_adr type to mjtSize.
Adds a test which verifies that we can index into the texture buffer at offsets larger than can be represented by a 32-bit signed int.

PiperOrigin-RevId: 868756646
Change-Id: Ibc1a2b269fce41aec370611b0aab77803837e7a8
2026-02-11 11:09:36 -08:00
Sam Haves 6715a0ceaa Expose mju resource functions to public header.
Many of these functions are useful when writing a custom decoder.

PiperOrigin-RevId: 868321921
Change-Id: I7e0dd285e0559b6f486acf8cbf4376ff8d91943d
2026-02-10 14:31:41 -08:00
Yuval Tassa 4fa062c7e5 Update unreleased MuJoCo version from 3.4.1 to 3.5.0.
PiperOrigin-RevId: 868169291
Change-Id: I8041842811f5f664c80116993315f50d549b5575
2026-02-10 08:52:04 -08:00
Sam Haves e93a69ea01 Add MjcPhysicsEqualityConnectAPI to MjcPhysics for equality/connect parsing.
PiperOrigin-RevId: 867736241
Change-Id: I2d4e9abcb14280dcfbbf63ff5f888fb57350cfb6
2026-02-09 13:02:42 -08:00
Saran Tunyasuvunakool 74d657a777 Add X macros for mjVisual and mjStatistic.
PiperOrigin-RevId: 866502731
Change-Id: I7cfaf3cd96512d93c801b7611eedb71689e21a5b
2026-02-06 09:53:22 -08:00
Yuval Tassa 6419534bad Add actuator and sensor delays. Fixes #1004
PiperOrigin-RevId: 866478839
Change-Id: Id21a6da0f98454c8fa39ea5af8a5e213d6eae497
2026-02-06 08:47:36 -08:00
Sam Haves c63ba211e5 Refactor MjcPhysics EqualityJointAPI polynomial coefficients.
The single array attribute `mjc:polycoef` has been replaced by five individual double attributes: `mjc:coef0`, `mjc:coef1`, `mjc:coef2`, `mjc:coef3`, and `mjc:coef4`.

PiperOrigin-RevId: 865947359
Change-Id: If9d14a77b0a06e5dc712eeadd6e9402411570706
2026-02-05 07:56:11 -08:00
Yuval Tassa 55f300b78c Fix typo
PiperOrigin-RevId: 862781462
Change-Id: I88844e2148e821ec92e37aa8aab3554c132a4d43
2026-01-29 09:57:09 -08:00
Yuval Tassa 5fb47df197 Add mjData flags marking lazily evaluated pipeline stages
PiperOrigin-RevId: 861763477
Change-Id: Ib613c56949264573a16306800658f868d2aa7665
2026-01-27 09:45:06 -08:00
Alessio Quaglino ba32568138 Move flex vertex-edge adjacency to mjModel.
PiperOrigin-RevId: 861717037
Change-Id: I2ad8090b0318cb04b43d13966cb42260c82ef930
2026-01-27 07:41:47 -08:00
Haroon Qureshi 0ddbb46fa1 Refactor mjVFS and resource management.
Resource operations (e.g. mju_openResource, mju_readResource, and
mju_closeResource, etc.) are now all handled by a VFS instance. It
is now up to the VFS to determine which provider to use in order to
handle those operations.

This allows us to dynamically add/remove (aka "mount") providers to
a VFS to handle special requests. mj_addFileVFS and mj_addBufferVFS
have been reimplemented as two such use-cases. Moreover, we expose
the mounting behaviour with two new functions: mj_mountVFS and
mj_unmountVFS.

PiperOrigin-RevId: 861550939
Change-Id: I070eb4bcc2982466c8f368f7918005538baa5185
2026-01-26 23:53:29 -08:00
Alessio Quaglino 7da271c687 Add vertex equality option.
PiperOrigin-RevId: 860299454
Change-Id: I7befd8e5f4c8bac6d74684a96a9cc3cee9ae1e29
2026-01-23 16:30:05 -08:00
Yuval Tassa 30b903b6c0 Migrate mjModel size fields from int to mjtSize.
This change updates all size-related members within the `mjModel` struct from `int` to `mjtSize`. This allows MuJoCo to handle models with a larger number of elements. Corresponding changes were made to macros, function signatures, and I/O routines to accommodate the new `mjtSize` type.

PiperOrigin-RevId: 860144595
Change-Id: I701c6d607715d240766b6210a9773cd9e4258c59
2026-01-23 09:41:49 -08:00
Sam Haves 2582a83ac3 Add equalityJointAPI to mjcPhysics.
PiperOrigin-RevId: 860081702
Change-Id: Ifd961dcb2a8e0f5d885e9e9dadc0153b03cb5f4d
2026-01-23 06:28:29 -08:00
Alessio Quaglino 54dd623650 Add vertex-based flex constraints (dim=2).
PiperOrigin-RevId: 859552050
Change-Id: I61d4b9dc40f041c5b930e5f8810a803e8bccb87a
2026-01-22 04:54:53 -08:00
Sam Haves c08e1d9e6e Add MjcEqualityAPI as a base class for MuJoCo constraints and MjcEqualityWeldAPI for representing weld constraints.
This change introduces two new USD API schema:
* MjcEqualityAPI - base API for representing MuJoCo equality constraints in USD, this will typically be applied to joints such as UsdPhysicsFixedJoint.
* MjcEqualityWeldAPI - extends MjcEqualityAPI for MuJoCo's weld equality constraints with an attribute for torqueScale.

The usd_decoder is updated to parse UsdPhysicsFixedJoints and convert the new schema attributes into the appropriate mjsEquality data fields.

PiperOrigin-RevId: 856723634
Change-Id: I0982fd3168b643f8e91d87bb5ae5933e526b63a1
2026-01-15 10:44:27 -08:00
Sam Haves d816b38f4c mjcPhysics MjcTendon path now has an indices attribute to allow repeated sites in tendon path.
Since relationships in USD can only contain a single instance of a path, it was previously impossible to have a tendon path that visits the same wrap target more than once. This is a fairly common occurence when dealing with tendons that have pulleys.

With this change, if mjc:path:indices is not defined then the behaviour is as it was and the mjc:path is considered to be ordered. If it is authored then the parser will use the indices into mjc:path as the order. This mirrors other similar concepts in USD such as face vertex indices.

PiperOrigin-RevId: 856339887
Change-Id: I6b9503973de377acdb0689be168c16e4aa19b70b
2026-01-14 13:24:28 -08:00
Alessio Quaglino e56b31e98f Reduce flexedge_J size from nflexedge x nv to the effective sparse size.
PiperOrigin-RevId: 856290141
Change-Id: Ide297d1b6f0e3aa07e3e20bf9ab44b6501097695
2026-01-14 11:18:41 -08:00
Google DeepMind cbc1136502 Roll back VFS refactor due internal breakages
PiperOrigin-RevId: 856273160
Change-Id: I4097e05ed4e48ebee05b4347d0f227d4f39c1b09
2026-01-14 10:38:29 -08:00
Haroon Qureshi d387578783 Refactor mjVFS and resource management.
Resource operations (e.g. mju_openResource, mju_readResource, and
mju_closeResource, etc.) are now all handled by a VFS instance. It
is now up to the VFS to determine which provider to use in order to
handle those operations.

This allows us to dynamically add/remove (aka "mount") providers to
a VFS to handle special requests. mj_addFileVFS and mj_addBufferVFS
have been reimplemented as two such use-cases. Moreover, we expose
the mounting behaviour with two new functions: mj_mountVFS and
mj_unmountVFS.

PiperOrigin-RevId: 856166919
Change-Id: Id723d612ffc0bff020705cf19ef95fbf24676840
2026-01-14 05:19:57 -08:00
Yuval Tassa 218226fc95 Breaking change: Add surface normal output to MuJoCo raycast functions.
PiperOrigin-RevId: 855781592
Change-Id: Id96b1ca7eaf722e260cc69d7706c28dc51f52d92
2026-01-13 10:22:21 -08:00
Alessio Quaglino a49576e469 Move flexedge sparse Jacobian indices to mjModel.
PiperOrigin-RevId: 855718305
Change-Id: Ic136f4efa6735b934288f65c332d71ee8b0f6da5
2026-01-13 07:33:17 -08:00
Haroon Qureshi cb9a9c159c Remove getdir from mjpResourceProvider.
All known implementations were effectively the same as the default fallback. It was just adding unneeded complexity. Removing this now will help with upcoming improvements to resource providers.

PiperOrigin-RevId: 855163273
Change-Id: I529fc18d0d03a8dc676c909ec9e4b1da1454d414
2026-01-12 04:07:42 -08:00
Yuval Tassa a26f09accf Standardize function docstring style in MuJoCo API.
Updates function comments to consistently use a semicolon (`;`) before describing the return value and to use the imperative form "return" instead of "returns".

Also fix error in docstring of `mjp_registerResourceProvider`

PiperOrigin-RevId: 854888532
Change-Id: I311239a2770ded5febece9958ae4e94c1e522600
2026-01-11 09:00:35 -08:00
Sam Haves a5dc57c0c3 Move OpenUSD parsing to usd_decoder
Add usd_decoder to mujoco/plugin.
  - Previously was src/experimental/usd/usd_to_mjspec.cc, now that same spec is returned by the plugin.

PiperOrigin-RevId: 854350962
Change-Id: Ia980190a557c50ce8197980922a2594b613859b4
2026-01-09 14:48:29 -08:00
Yuval Tassa 608115ab95 Add output attribute to camera elements.
This attribute allows specifying the intended output types (e.g., RGB, depth, normal) for each camera in the XML. The output types are stored as bit flags in `mjModel`.

PiperOrigin-RevId: 853316261
Change-Id: I1ad2e94102593cf402756f8f4c80509371ca86d2
2026-01-07 10:22:27 -08:00
Yuval Tassa 70bc7be4bc Add additional data fields that can be reported by rangefinder sensors.
PiperOrigin-RevId: 848316991
Change-Id: Idbf7ba81b4da711a22c23302c8782ab2b0b98d82
2025-12-23 15:33:00 -08:00
Yuval Tassa f2e9097ed6 Change mjsCamera.resolution type from float to int.
Resolution is inherently an integer quantity (pixels).

PiperOrigin-RevId: 848276456
Change-Id: I92ee1aa88fd552fd42cb3871442f020f26d6fa6a
2025-12-23 13:14:32 -08:00
Yuval Tassa 9d646e6548 Extend rangefinder sensor to support cameras.
PiperOrigin-RevId: 848255889
Change-Id: I6e1a9ed13d29d2242558625a47e24e47ad6e87db
2025-12-23 12:04:49 -08:00
Yuval Tassa 7fddeeaff6 Minor fixes to mj_multiRay
PiperOrigin-RevId: 847780959
Change-Id: I3588415f215bd5f1592bec6678a5bae45d5f0980
2025-12-22 08:52:36 -08:00
Yuval Tassa b8a4ac5d48 Refactor camera orthographic attribute to projection enum.
PiperOrigin-RevId: 847069028
Change-Id: I7f686fe654e9b56519cab8bd2f37c9cc40091d3f
2025-12-20 03:28:29 -08:00
Sam Haves 2935af23f0 Add MJAPI to Get/SetUsdPrimPathUserValue declarations.
PiperOrigin-RevId: 846745363
Change-Id: I31f0af0675578a3dd63db7c56d9258206e19471d
2025-12-19 08:31:26 -08:00
Sam Haves 05e1c452c7 Add VFS parameter to mjpDecoder decoding function.
PiperOrigin-RevId: 846242734
Change-Id: I317e11e6fcd965f66416abcf690a3a65d043e9ee
2025-12-18 06:38:40 -08:00
Haroon Qureshi 7190bd4912 Add flag for depth rendering.
PiperOrigin-RevId: 846203691
Change-Id: I5ec494446bcfc1f7c81536a87dd24f9967973563
2025-12-18 04:36:26 -08:00
Haroon Qureshi 52ca07e210 Decoder decode function should take a non-const pointer to mjResource.
This is because mjcReadResource requires a non-const pointer.

PiperOrigin-RevId: 844737328
Change-Id: I88d217aa85a66023f6b222437403c136448cabfe
2025-12-15 06:04:05 -08:00
Yuval Tassa 1ff74ba810 Change the type of state signature arguments from unsigned int to int
PiperOrigin-RevId: 843162492
Change-Id: I51d3324f088e8055898e115bdd32267c5950a412
2025-12-11 04:34:36 -08:00
Haroon Qureshi caec236b2f Make mj_loadModelBuffer a public API.
PiperOrigin-RevId: 843105390
Change-Id: I4058471b4cf64995dd5ab43e9c8c24e322004b62
2025-12-11 01:24:17 -08:00
Gabe Oppenheimer 96e376451c Update MuJoCo version from 3.4.0 to 3.4.1 following the 3.4.0 release
PiperOrigin-RevId: 840914696
Change-Id: Iffabc70dd174384ba1c535cafcd34982ff8e5712
2025-12-05 16:15:56 -08:00
Yuval Tassa 19e2d0ae2f Add mj_fwdKinematics and a table improving documentation of the MuJoCo computation pipeline structure.
PiperOrigin-RevId: 838768130
Change-Id: I1a22d5cdca7db704ba4cea1667fcbecb16b87005
2025-12-01 07:39:00 -08:00
Gabe Oppenheimer b6e162d6fa Update MuJoCo version from 3.3.8 to 3.4.0
PiperOrigin-RevId: 836719207
Change-Id: I28cbc90cee42aebfb5a4201561289ef6747cdc83
2025-11-25 10:16:02 -08:00
Yuval Tassa 888d3a7b07 Add mj_copyState
PiperOrigin-RevId: 836588419
Change-Id: I7609e121dc0ac697d4d015d4244bdd5962650def
2025-11-25 03:10:30 -08:00
Yuval Tassa c2e9bfa3e8 Clarify semantic of body_rootid and body_weldid
PiperOrigin-RevId: 834827589
Change-Id: I562e0aa374ce59d8b769e8d003e4c63ee434a1fc
2025-11-20 10:54:59 -08:00
Yuval Tassa 86a77ff8eb Change mjtSize from uint64_t to int64_t.
This change makes `mjtSize` a signed, rather than unsigned 64-bit integer. While sizes are non-negative, the type promotion rules for unsigned integers can lead to unituitive downstream bugs, and 8 billion terabytes are enough bytes.

PiperOrigin-RevId: 834292964
Change-Id: Iea9c47c2a5d80fde63851a543d59ed0549db0f01
2025-11-19 07:55:54 -08:00
Alessio Quaglino 62872fecd1 Reduce size of mjsTexture.gridlayout (was 13, should be 12)
PiperOrigin-RevId: 833764817
Change-Id: I2655a729d38a8871be2024492ce2a971fc8a0372
2025-11-18 04:49:05 -08:00
Yuval Tassa a66cf303f8 Clean up ray functions
PiperOrigin-RevId: 833299985
Change-Id: I30aabe889ccc5900ff0e50a578e98e176d3effa4
2025-11-17 05:47:44 -08:00
Haroon Qureshi 6c15c711ee Make mjv_cameraFrame and mjv_cameraFrustum public.
PiperOrigin-RevId: 832187804
Change-Id: I74d05d7fe03bc81bd05a823c7c9791bca12e3079
2025-11-14 00:03:18 -08:00
Yuval Tassa 042c5223a6 Change mj_sizeModel return type to mjtSize.
PiperOrigin-RevId: 831768095
Change-Id: I079fbadc403b32a3ce8a73fe21b2cd66391401c3
2025-11-13 02:32:18 -08:00