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2020-08-21GPUUniformBuf: Rename struct and change API a bitClément Foucault
This follows the GPU module naming of other buffers. We pass name to distinguish each GPUUniformBuf in debug mode. Also remove DRW_uniform_buffer interface.
2020-08-07Cleanup: declare arrays arrays where possibleCampbell Barton
2020-08-07Cleanup: Nodes, Clang-Tidy else-after-return fixesSybren A. Stüvel
This addresses warnings from Clang-Tidy's `readability-else-after-return` rule in the `source/blender/nodes` module. No functional changes.
2020-08-07Merge branch 'blender-v2.90-release' into masterJacques Lucke
2020-08-07Code Style: use "#pragma once" in source directoryJacques Lucke
This replaces header include guards with `#pragma once`. A couple of include guards are not removed yet (e.g. `__RNA_TYPES_H__`), because they are used in other places. This patch has been generated by P1561 followed by `make format`. Differential Revision: https://developer.blender.org/D8466
2020-08-05Merge branch 'blender-v2.90-release'Alexander Gavrilov
2020-08-05Eevee: do not rely on the SOCK_HIDE_VALUE flag for node group sockets.Alexander Gavrilov
When disconnecting links for defaulted node group inputs, recurse into the nested node group nodes, instead of checking the socket flag. Otherwise the behavior is confusing and differs from Cycles. Differential Revision: https://developer.blender.org/D8455
2020-08-01Cleanup: use term init instead of initialize/initialiseCampbell Barton
The abbreviation 'init' is brief, unambiguous and already used in thousands of places, also initialize is often accidentally written with British spelling.
2020-07-30EEVEE: GLSL refactor/cleanupClément Foucault
- add the use of DRWShaderLibrary to EEVEE's glsl codebase to reduce code complexity and duplication. - split bsdf_common_lib.glsl into multiple sub library which are now shared with other engines. - the surface shader code is now more organised and have its own files. - change default world to use a material nodetree and make lookdev shader more clear. Reviewed By: jbakker Differential Revision: https://developer.blender.org/D8306
2020-07-30Cleanup: GPU: Remove GPU_draw.h and move fluid gpu function to DRWClément Foucault
2020-07-29GPU: Refactor gpu_texture_image to not use GL callsClément Foucault
This is also a bit of code cleanup, reorganisation. Tried to be DRYed but avoid too much code change to (hopefully) minimize breakage. - GPU: remove TEXTARGET_CUBE_MAP, this is no longer used in the codebase. - GPUTexture: Move compressed texture upload to gpu_texture.cc - GPUTexture: Add per texture Anisotropic filtering switch
2020-07-27Particles: support Clamp nodeJacques Lucke
2020-07-20Cycles: adjust Sky texture intensity to follow physical unitsBrecht Van Lommel
The sky will appear brighter than before by default. To compensate for this, lower exposure in the Film panel. The default altitude was also changed from 90 to 15 degrees. Patch contributed by Marco with the help of Ryan Jones. Differential Revision: https://developer.blender.org/D8285
2020-07-20Refactor: Update integer type usageJacques Lucke
This updates the usage of integer types in code I wrote according to our new style guides. Major changes: * Use signed instead of unsigned integers in many places. * C++ containers in blenlib use `int64_t` for size and indices now (instead of `uint`). * Hash values for C++ containers are 64 bit wide now (instead of 32 bit). I do hope that I broke no builds, but it is quite likely that some compiler reports slightly different errors. Please let me know when there are any errors. If the fix is small, feel free to commit it yourself. I compiled successfully on linux with gcc and on windows.
2020-07-17Nodes: move some code from blenkernel directory to nodesJacques Lucke
This also introduces the `blender::nodes` namespace. Eventually, we want to move most/all of the node implementation files into this namespace. The reason for this file-move is that the code fits much better into the `nodes` directory than in the `blenkernel` directory.
2020-07-16Particles: support Separate/Combine RGB nodesJacques Lucke
2020-07-16Particles: simplify Combine XYZ nodeJacques Lucke
2020-07-16Particles: support Color Ramp nodeJacques Lucke
2020-07-16Particles: support Map Range nodeJacques Lucke
Only linear interpolation mode is supported for now.
2020-07-16Particles: implement more vector math operationsJacques Lucke
2020-07-16Particles: support for most math node operationsJacques Lucke
2020-07-13Clang Tidy: enable readability-non-const-parameter warningJacques Lucke
Clang Tidy reported a couple of false positives. I disabled those `NOLINTNEXTLINE`. Differential Revision: https://developer.blender.org/D8199
2020-07-13Cycles: Add control for sun intensity in Sky Texture and change altitude to kmLukas Stockner
Differential Revision: https://developer.blender.org/D8091
2020-07-13Cycles: Remove Vector input on Sky texture when using the included sunLukas Stockner
When using the sun, we need to sun sampling logic to avoid excessive sampling map resolution, but that logic assumes that the Vector input comes from the view direction. That is the case in the vast majority of cases anyways, so the easiest solution is to just remove the input for that case. Differential Revision: https://developer.blender.org/D8091
2020-07-11Nodes: support vector math node in simulation node treeJacques Lucke
2020-07-11Nodes: support math node in simulation node treeJacques Lucke
2020-07-11Nodes: support Value node in simulation node treeJacques Lucke
2020-07-11Nodes: move Math, Vector Math and Value shader nodes to c++ filesJacques Lucke
This required a little bit of refactoring, because we were using c-only syntax for the gpu shader names. All tests are still passing.
2020-07-09Sculpt: Make Sculpt Vertex Colors features experimentalPablo Dobarro
This disables all Sculpt Vertex Colors tools, operators, panels and rendering capabilities and puts them under the "Use Sculpt Vertex Colors" experimental option. Reviewed By: brecht Differential Revision: https://developer.blender.org/D8239
2020-07-09EEVEE: Implement the missing Sky textureSzymon Ulatowski
I'm not sure if the Sky was deliberately left out or was just waiting for a better moment, but so many I was disappointed that Sky in EEVEE is completely white. There are already 2 implementations (osl and gpu) so this is the third one. Looking at other cases it seems that we are not supposed to share sources between cycles and the rest? So the new util_sky_model files are just copies of what is already in cycles, except that the data file uses the RGB variant of the Hosek/Wilkie model, because we output RGB anyway (but can be easily changed to XYZ if desired - the results are nearly identical). I am not sure if it is okay to pass 3*9 float values as 3 mat4 uniforms (I wanted to use mat3 but it does not work). Also, should I cache the sky model data between renders if the parameters do not change? Reviewed By: fclem, brecht Differential Revision: https://developer.blender.org/D7108
2020-07-07Cleanup: fix typoJacques Lucke
2020-07-07Nodes: Generate multi-function network from node treeJacques Lucke
This adds new callbacks to `bNodeSocketType` and `bNodeType`. Those are used to generate a multi-function network from a node tree. Later, this network is evaluated on e.g. particle data. Reviewers: brecht Differential Revision: https://developer.blender.org/D8169
2020-06-30Cleanup: add missing extern "C"Jacques Lucke
2020-06-17Cycles: Add new Sky Texture method including direct sunlightLukas Stockner
This commit adds a new model to the Sky Texture node, which is based on a method by Nishita et al. and works by basically simulating volumetric scattering in the atmosphere. By making some approximations (such as only considering single scattering), we get a fairly simple and fast simulation code that takes into account Rayleigh and Mie scattering as well as Ozone absorption. This code is used to precompute a 512x128 texture which is then looked up during render time, and is fast enough to allow real-time tweaking in the viewport. Due to the nature of the simulation, it exposes several parameters that allow for lots of flexibility in choosing the look and matching real-world conditions (such as Air/Dust/Ozone density and altitude). Additionally, the same volumetric approach can be used to compute absorption of the direct sunlight, so the model also supports adding direct sunlight. This makes it significantly easier to set up Sun+Sky illumination where the direction, intensity and color of the sun actually matches the sky. In order to support properly sampling the direct sun component, the commit also adds logic for sampling a specific area to the kernel light sampling code. This is combined with portal and background map sampling using MIS. This sampling logic works for the common case of having one Sky texture going into the Background shader, but if a custom input to the Vector node is used or if there are multiple Sky textures, it falls back to using only background map sampling (while automatically setting the resolution to 4096x2048 if auto resolution is used). More infos and preview can be found here: https://docs.google.com/document/d/1gQta0ygFWXTrl5Pmvl_nZRgUw0mWg0FJeRuNKS36m08/view Underlying model, implementation and documentation by Marco (@nacioss). Improvements, cleanup and sun sampling by @lukasstockner. Differential Revision: https://developer.blender.org/D7896
2020-06-03GPUMaterial: Fix shader compilation when using UDIM texturesClément Foucault
2020-06-03GPUMaterial: Rework/simplify image texture filteringClément Foucault
This use the latest GPUTexture change to use the sampler state to avoid the pole issues instead of using GLSL hacks. This should fix T73942: Eevee mipmaps not respecting border mode. Note that this also fix some discrepencies between cycles and eevee (like boxmapping + clip).
2020-06-03GPUMaterial: Rework/simplify environment texture filteringClément Foucault
This use the latest GPUTexture change to use the sampler state to avoid the pole issues instead of using GLSL hacks.
2020-06-03GPUMaterial: Add support for different sampler state per image samplerClément Foucault
This bridge between the new sampler state support from GPUTexture and draw material handling. The Sampler State is just the one from the texture for now. No change in logic.
2020-06-02EEVEE: Refactor of eevee_material.cClément Foucault
These are the modifications: -With DRW modification we reduce the number of passes we need to populate. -Rename passes for consistent naming. -Reduce complexity in code compilation -Cleanup how renderpass accumulation passes are setup, using pass instances. -Make sculpt mode compatible with shadows -Make hair passes compatible with SSS -Error shader and lookdev materials now use standalone materials. -Support default shader (world and material) using a default nodetree internally. -Change BLEND_CLIP to be emulated by gpu nodetree. Making less shader variations. -Use BLI_memblock for cache memory allocation. -Renderpasses are handled by switching a UBO ref bind. One major hack in this patch is the use of modified pointer as ghash keys. This rely on the assumption that the keys will never overlap because the number of options per key will never be bigger than the pointed struct. The use of one single nodetree to support default material is also a bit hacky since it won't support concurent usage of this nodetree. (see EEVEE_shader_default_surface_nodetree) Another change is that objects with shader errors now appear solid magenta instead of shaded magenta. This is only because of code reuse purpose but could be changed if really needed. Reviewed By: jbakker Differential Revision: https://developer.blender.org/D7642
2020-05-14Merge branch 'blender-v2.83-release'Antonio Vazquez
2020-05-14Fix T76476 EEVEE: Invalid Vector to Float conversion for nodegroupsClément Foucault
The previous code only handled the RGBA socket case. For vectors, we simply use the average of the 3 compoments. This is done using a temp Vector Math node using the dot operation.
2020-04-20Simulations: Use some shader nodes in simulation node treesJacques Lucke
Reviewers: brecht Differential Revision: https://developer.blender.org/D7422
2020-04-17Fix T75774: rename Musgrave texture output from Fac to HeightBrecht Van Lommel
To make it clear that's not in the 0..1, but more of a terrain height value without a strict range.
2020-04-09Shading: add Roughness input to Noise and Wave texture nodesBartosz Moniewski
Currently in fractal_noise functions, each subsequent octave doubles the frequency and reduces the amplitude by half. This patch introduces Roughness input to Noise and Wave nodes. This multiplier determines how quickly the amplitudes of the subsequent octaves decrease. Value of 0.5 will be the default, generating identical noise we had before. Values above 0.5 will increase influence of each octave resulting in more "rough" noise, most interesting pattern changes happen there. Values below 0.5 will result in more "smooth" noise. Differential Revision: https://developer.blender.org/D7065
2020-04-03Code Quality: Replace for loops with LISTBASE_FOREACHDalai Felinto
Note this only changes cases where the variable was declared inside the for loop. To handle it outside as well is a different challenge. Differential Revision: https://developer.blender.org/D7320
2020-04-03Cleanup: Rename ExtensionRNA variables from ext to rna_extJulian Eisel
Makes it more clear that code using this is related to the RNA integration of a type. Part of T74432. Also ran clang-format on affected files.
2020-03-30Fix T74547 EEVEE: Image texture crash with use after freeClément Foucault
Same fix than for the other mapping types.
2020-03-24Fix T73505 EEVEE: Group output node sockets default value not workingClément Foucault
This just cleanup the code and apply the expand to group output nodes.
2020-03-19Cleanup: `make format` after SortedIncludes changeDalai Felinto
2020-03-11Eevee: internal support for arbitrary number of volume gridsBrecht Van Lommel
This has no user visible impact yet since smoke volumes only support a fixed set of attributes, but will become important with the new volume object. For GPU shader compilation, volume grids are now handled separately from image textures. They are somewhere between a vertex attribute and an image texture, basically an attribute that is stored as a texture. Differential Revision: https://developer.blender.org/D6952
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