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It should behave like cycles.
Even if not efficient at all, we still do the same create - draw - free process that was done in the old viewport to save vram (maybe not really the case now) and not care about simulation's GPU texture state sync.
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This is quite basic as it only support boundbing boxes.
But the material can refine the volume shape in anyway the user like.
To overcome this limitation, a voxelisation should be done on the mesh (generating a SDF maybe?) and tested against every volumetric cell.
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This let us know efficiently if a material has a dedicated nodetree for each of it's output node input.
Only works for Eevee at this moment.
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Engine is not stored in WorkSpaces. That defines the "context" engine, which
is used for the entire UI.
The engine used for the poll of nodes (add node menu, new nodes when "Use Nodes")
is obtained from context.
Introduce a ViewRender struct for viewport settings that are defined for
workspaces and scene. This struct will be populated with the hand-picked
settings that can be defined per workspace as per the 2.8 design.
* use_scene_settings
* properties editor: workshop + organize context path
Use Scene Settings
==================
For viewport drawing, Workspaces have an option to use the Scene render
settings (F12) instead of the viewport settings.
This way users can quickly preview the final render settings, engine and
View Layer. This will affect all the editors in that workspace, and it will be
clearly indicated in the top-bar.
Properties Editor: Add Workspace and organize context path
==========================================================
We now have the properties of:
Scene, Scene > Layer, Scene > World, Workspace
[Scene | Workspace] > Render Layer > Object
[Scene | Workspace] > Render Layer > Object > Data
(...)
Reviewers: Campbell Barton, Julian Eisel
Differential Revision: https://developer.blender.org/D2842
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NODE_NEWER_SHADING was introduced in e868b459bb8e however it should have been
added as a bitflag.
BKE_scene_uses_blender_eevee() was used in gpu_shader_output() as a workaround
for compatibility being poorly used.
Anyways this fixes this situation. This is necessary for an upcoming patch, even
though this is considered temporary - since the other NODE_*_SHADING values are
legacy from Blender Internal drawing.
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This reverts commit 8ad479a3227e36b201f740a127c08e29950bb219.
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Since the change to prevent shader recompilation at every update, we got
a regression when clearcoat was used.
Basically at the shader build time we would determine if the shader
needed clear coat, and if it didin't, it would build a different GLSL
program.
However if later the user updated the clearcoat value so that it would
then require the full clearcoat shader, the user wouldn't get it until
manually forcing the shader to recompile, or reopening the file.
We now handle the optimization in the GLSL code. That adds a minimum
overhead due to branching. But the overall performance seems unchanged
(tested on linux in AMD and NVidia).
Reviewers: pascal, brecht, fclem
Differential Revision: https://developer.blender.org/D2822
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The trees should match in nodes layout completely.
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normal.
Please backport this to 2.79.
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And wipe metallic out of the map.
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Since we started supporting the (Cycles) Material Output old files
stopped working. There is no reason to keep the original Eevee material
otuput anymore.
It includes doversion for old files.
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Diffuse was not outputing the right normal. (this is not a problem with SSR actually)
Glass did not have proper ssr_id and was receiving environment lighting twice.
Also it did not have proper fresnel on lamps.
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We do have an history of those pieces of evil in our code, would be nice
to get fully rid of it, but at the very least let's not add more of them
in new code. :)
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As part of the fix for T51587, I removed the Depth output for non-Multilayer
images since it seemed weird that PNGs etc. that don't have a Z pass still get
a socket for it.
However, I forgot about non-multilayer EXRs, which are a special case that can
actually have a Z pass.
Therefore, this commit brings back the Depth output for non-multilayer images
just like it was in 2.78.
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This changes the Cycles exporting and Cycles/Eevee UI code to support both
output material nodes, giving priority to the renderer native one. Still
missing is Eevee code to prefer the Eevee output node.
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Output in 2 buffers Normals, Specular Color and roughness.
This way we can raytrace in a defered fashion and blend the exact contribution of the specular lobe on top of the opaque pass.
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An id is given to each glossy node in order to determine which specular lobe is using ssr.
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For users that means you can tweak shaders in the nodetree and things
are way faster. This is a huge improvement, particularly in
systems that have no shader cache.
From the code perspective it means we are no longer re-compiling the
shader every time a value is tweaked in the UI. We are using uniforms
for those values.
It would be slow to add that many uniforms for all the shaders. So
instead we are using UBO (Uniform Buffer Objects).
This fixes the main issue of T51467. However GWN_shaderinterface_create() still
needs to be improvedi. When opening a .blend all shaders are compiled once, so
optimizing it will bring a measurable impact.
========================================================================
NOTE: This breaks update of Cycles material upon nodetree nodes
tweaking. It will be fixed separately by depsgraph, once tackling T51925
(Animated Eevee values slowdown).
The idea is to make Depsgraph update more granular. The XXX TODO in
rna_nodetree.c will be tackled at that time as well.
========================================================================
Reviewers: sergey, brecht, fclem
Differential Revision: https://developer.blender.org/D2739
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Add Diffuse BSDF, and Glossy.
Also Use World normal instead of view normal as input.
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Only volume scatter is implemented for now.
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This allow specialized shaders to redefine the closure interface to fit their needs.
For instance, Volumetric closure needs to pass more than one vec4 (absorption vec3, scattering vec3, anisotropy float).
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Only use clearcoat version if there is something linked or if the clearcoat value is not 0.
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Lots of things not working yet but it's comming.
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Although the original report was about the docs, the real issue was in
the API.
My original commit started from a copy-paste from the Switch
Node. However I don't use custom1 for thew Switch View node.
The docs is slightly incomplete since it would be nice to mention the
views here. Or maybe even expose them via Python. But honestly they are
generated depending on the scene multi-view settings.
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This is compatible with UE4 and more consistent with specular and transmission
roughness, even if it deviates from the original Disney BRDF.
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This makes the node menus aware of the Cycles/Eevee distinction, and
only show the relevant nodes for the current engine. Names have also
been changed to accomodate for the new output node system.
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This makes Eevee consistent with Cycles, by having a single output node,
and multiple shader nodes that connect to it.
Note that node systems for Eevee saved before this will be missing the
output node, and thus will show an invalid material. This is easily
resolved by connecting the shader output to a new output node.
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multilayer file
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unknown/unsupported socket types.
Made this resilient to unknown types, for now. Supporting specific INT
sockets (through implicit conversion to GPU_FLOAT ones) is considered nice TODO.
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Conflicts:
source/blender/blenloader/intern/versioning_270.c
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Brightness/contrast node was changing color but did not modify alpha
or ensured colors are premultiplied on the output. This was giving
artifacts later on unless alpha was manually converted.
Compositor is supposed to work in premultiplied alpha (except of
some really corner cases) so it makes sense to ensure premultiplied
alpha after brightness/contrast node.
This is now done as an option enabled by default, so we:
(a) Keep compatibility with old files.
(b) Have correct behavior for newly created files.
Later on we can get rid of this option.
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Conflicts:
source/blender/blenloader/intern/versioning_270.c
source/blender/depsgraph/intern/depsgraph_tag.cc
source/blender/editors/mask/mask_draw.c
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expected
Renamed the "Transparency" input of the Principled BSDF to
"Transmission" and "Refraction Roughness" to "Transmission Roughness".
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