| Age | Commit message (Collapse) | Author | |
|---|---|---|---|
| 2017-11-26 | Fix T53349: AO bounces not working correct with OpenCL. | Mathieu Menuet | |
| 2017-11-23 | Fix T53348: Cycles difference between gradient texture on CPU and GPU. | Brecht Van Lommel | |
| 2017-11-22 | Fix T53313: bevel shader with transmission render artifacts. | Brecht Van Lommel | |
| 2017-11-21 | Cycles: Fixed compilation of CUDA kernels. Follow-up fix for my last commit. | Stefan Werner | |
| 2017-11-21 | Cycles: Fix OSL brick node after recent fix | Mai Lavelle | |
| 2017-11-21 | Cycles: Workaround for performance loss with the CUDA 9.0 SDK. | Stefan Werner | |
| CUDA 9.0.176 apparently caused some slow down on high-end Pascal cards that can be mitigated by increasing the number of registers. See https://developer.blender.org/F1142667 for a detailed comparison. | |||
| 2017-11-21 | Fix T53365: OpenCL has wrong shading of brick texture | Mai Lavelle | |
| Looks like some weird compiler difference with signed vs unsigned ints. | |||
| 2017-11-21 | Fix build with OSL 1.9.x, automatically aligns to 16 bytes now. | Brecht Van Lommel | |
| 2017-11-20 | Cycles: Fix wrong behavior of sharpness in Cubic SSS | Sergey Sharybin | |
| Was giving difference when using sharpness of 1.0 and 0.999 even though the result was expected to be really close to each other. This SSS profile will probably be removed in the future in favor of more physically bases Burley, but for the time being don't see anything wrong fixing an existing code. | |||
| 2017-11-17 | Cycles: Add per-tile render time debug pass | Lukas Stockner | |
| Reviewers: sergey, brecht Differential Revision: https://developer.blender.org/D2920 | |||
| 2017-11-17 | Cycles: Add Volume Direct and Volume Indirect passes for volume-scattered light | Lukas Stockner | |
| No color pass because it's hard to define what to use as color in a volume. Reviewers: sergey, brecht Differential Revision: https://developer.blender.org/D2903 | |||
| 2017-11-17 | Cycles: Refactor PassType from bitflag to index in order to allow for more ↵ | Lukas Stockner | |
| passes | |||
| 2017-11-16 | Cycles: Fix crash with split branched path tracing | Mai Lavelle | |
| ShaderData memory was getting clobbered in the branched path code paths. Was caused by 087331c495b04ebd37903c0dc0e46262354cf026 | |||
| 2017-11-14 | Cycles: Make per-object random value output also work for Lamps | Lukas Stockner | |
| 2017-11-14 | Cycles: Refactor closure roughness detection to fix a potential bug with ↵ | Lukas Stockner | |
| Denoising of specular shaders | |||
| 2017-11-10 | Cycles: better distance sampling for chromatic volume extinction. | Brecht Van Lommel | |
| Previously we picked one of the RGB channels with equal probability, but this works poorly in a dense volume after many bounces. Now we take into account the throughput and single scattering albedo. This makes it a little more practical to do brute force SSS with volumes, but is still very inefficient because we do direct light sampling at every volume bounce even when inside an opaque mesh. In theory there could be a light inside the mesh so we can't automatically disable direct lighting. | |||
| 2017-11-09 | Fix T53270: crash with multiscatter GGX after recent refactoring. | Brecht Van Lommel | |
| In fact this was an existing issue when exceeding the number of available closure, but it's more common now that we set the number to 0 for shadows and emission | |||
| 2017-11-09 | Cycles: Replace __MAX_CLOSURE__ build option with runtime integrator variable | Mai Lavelle | |
| Goal is to reduce OpenCL kernel recompilations. Currently viewport renders are still set to use 64 closures as this seems to be faster and we don't want to cause a performance regression there. Needs to be investigated. Reviewed By: brecht Differential Revision: https://developer.blender.org/D2775 | |||
| 2017-11-08 | Cycles: add bevel shader, for raytrace based rounded edges. | Brecht Van Lommel | |
| The algorithm averages normals from nearby surfaces. It uses the same sampling strategy as BSSRDFs, casting rays along the normal and two orthogonal axes, and combining the samples with MIS. The main concern here is that we are introducing raytracing inside shader evaluation, which could be quite bad for GPU performance and stack memory usage. In practice it doesn't seem so bad though. Note that using this feature can easily slow down renders 20%, and that if you care about performance then it's better to use a bevel modifier. Mainly this is useful for baking, and for cases where the mesh topology makes it difficult for the bevel modifier to work well. Differential Revision: https://developer.blender.org/D2803 | |||
| 2017-11-08 | Code refactor: rename subsurface to local traversal, for reuse. | Brecht Van Lommel | |
| 2017-11-08 | Cycles: antialias normal baking if the mesh has a bump map. | Brecht Van Lommel | |
| 2017-11-08 | Fix incorrect MIS weights in Cycles with multiple lights. | Brecht Van Lommel | |
| This causes some difference in the classroom scene, where ray visibility tricks are used and break the MIS balance. Otherwise there doesn't seem to be much effect, but better to use the right formulas. Problem originally identified by Lukas. | |||
| 2017-11-05 | Cycles: reduce closure memory usage for emission/shadow shader data. | Brecht Van Lommel | |
| With a Titan Xp, reduces path trace local memory from 1092MB to 840MB. Benchmark performance was within 1% with both RX 480 and Titan Xp. Original patch was implemented by Sergey. Differential Revision: https://developer.blender.org/D2249 | |||
| 2017-11-05 | Code refactor: sum transparent and absorption weights outside closures. | Brecht Van Lommel | |
| 2017-11-05 | Code refactor: remove emission and background closures, sum directly. | Brecht Van Lommel | |
| 2017-11-05 | Cycles: fix inefficient attribute map storage, saves 615MB in victor scene. | Brecht Van Lommel | |
| 2017-11-05 | Code refactor: device memory cleanups, preparing for mapped host memory. | Brecht Van Lommel | |
| 2017-11-01 | Cycles: Add utility function to distinguish between scatter and absorption ↵ | Sergey Sharybin | |
| volume ID | |||
| 2017-11-01 | Cycles: Cleanup, make it more obvious what preprocessor belongs to | Sergey Sharybin | |
| 2017-11-01 | Cycles: Cleanup, delete trailing whitespace | Sergey Sharybin | |
| 2017-10-29 | Cycles: restore SOBOL_SKIP hack, for some cases where it helps still. | Brecht Van Lommel | |
| 2017-10-25 | Cycles: use AO factor to let user adjust intensity of AO bounces. | Brecht Van Lommel | |
| We are already using the AO distance, so might as well offer this extra control over the intensity. Useful when an interior scene is supposed to be significantly darker than the background shader. | |||
| 2017-10-24 | Code refactor: store device/interp/extension/type in each device_memory. | Brecht Van Lommel | |
| 2017-10-19 | Fix part of T53038: principled BSDF clearcoat weight has no effect with 0 ↵ | Brecht Van Lommel | |
| roughness. | |||
| 2017-10-17 | Cleanup: use 'e' prefix for enum typedefs | Campbell Barton | |
| Convention was only followed loosely, apply to DNA where changes aren't likely to conflict. (Skipped ModifierType for eg). | |||
| 2017-10-15 | Fix OpenCL performance regression after cubic interpolation. | Brecht Van Lommel | |
| Reorganize code to reduce register pressure. | |||
| 2017-10-10 | Cycles: Fix compilation of sm_20 and sm_21 kernels | Sergey Sharybin | |
| Was broken since the bicubic commit for GPU support. | |||
| 2017-10-08 | Code refactor: use DeviceInfo to enable QBVH and decoupled volume shading. | Brecht Van Lommel | |
| 2017-10-08 | Cycles: OpenCL bicubic and tricubic texture interpolation support. | Brecht Van Lommel | |
| 2017-10-07 | Fix incorrect MIS with principled BSDF and specular roughness 0. | Brecht Van Lommel | |
| 2017-10-07 | Code cleanup: simplify cmake kernel install. | Brecht Van Lommel | |
| 2017-10-07 | Cycles: CUDA bicubic and tricubic texture interpolation support. | Brecht Van Lommel | |
| While cubic interpolation is quite expensive on the CPU compared to linear interpolation, the difference on the GPU is quite small. | |||
| 2017-10-07 | Code refactor: make texture code more consistent between devices. | Brecht Van Lommel | |
| * Use common TextureInfo struct for all devices, except CUDA fermi. * Move image sampling code to kernels/*/kernel_*_image.h files. * Use arrays for data textures on Fermi too, so device_vector<Struct> works. | |||
| 2017-10-06 | Cycles: Cleanup, indendation | Sergey Sharybin | |
| 2017-10-06 | Fix T53012: Shadow catcher creates artifacts on contact area | Sergey Sharybin | |
| The issue was caused by light sample being evaluated to nan at some point. This is root of the cause which is to be fixed, but is very hard to trace down especially via ssh (the issue only happens on AVX2 release build). Will give it a closer look when back to my AVX2 machine. For until then this is a good check to have anyway, it corresponds to what's happening in regular radiance sum. | |||
| 2017-10-06 | Cycles: Cleanup, indentation and wrapping | Sergey Sharybin | |
| 2017-10-05 | Fix T53001: more workarounds for crash in AMD compiler with recent drivers. | Brecht Van Lommel | |
| 2017-10-05 | Code refactor: split displace/background into separate kernels, remove luma. | Brecht Van Lommel | |
| 2017-10-04 | Cycles: CUDA faster rendering of small tiles, using multiple samples like ↵ | Brecht Van Lommel | |
| OpenCL. The work size is still very conservative, and this doesn't help for progressive refine. For that we will need to render multiple tiles at the same time. But this should already help for denoising renders that require too much memory with big tiles, and just generally soften the performance dropoff with small tiles. Differential Revision: https://developer.blender.org/D2856 | |||
| 2017-10-04 | Fix use of uninitialized memory in Cycles normal baking. | Brecht Van Lommel | |
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