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the use of the texture drawtype is limited. so who should we have it
this prominent on the screen. By adding it as a shading.color_type
option we should save some screenspace.
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Compile time option to reduce the level of the SH
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- implemented Spherical Harmonics L2 for diffuse shading.
TODO: caching the precalculated harmonics so it won't take soo long to
open the popover
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By default users want AA in the viewport. For slower systems you want to
be able to turn it off. As in the future we would also like to support
TAA in the viewport we introduced it as a Max Viewport AA settings.
Also removed the drawoption to enable/disable AA per viewport
When rendering the AA is always turned on.
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Old implementation rendered alpha to 0.0 for background, but only during
deferred rendering. We should attach this to an DNA setting and also let
the forward shading respect this. But for now this is a better default
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- OpenGL uses linear space and has its own AA. So we don't calculate
when doing opengl rendering.
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FXAA implementation in the deferred renderpass of the workbench.
Can be enabled per 3dview. Eventually this will also be a user setting
as it is more a system/performance setting than a scene setting.
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There was a method explained in the Weighted Blended Order-Independent
Transparency paper to support hardware that does not support per render
target blending function.
So now only 2 geometry passes are required instead of 3 (one being the
outline/depth fill pass).
This also fix how the blending is done. There was some premult confusion
in the implementation.
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Note: Icons are not yet updated.
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A cavity shader based on SSAO. Works on all workbench deferred passes.
Per 3d viewport the cavity shader options can be set as different
shading needed different options. Some global options are in the
Viewport Display of the scene like num samples and distance.
Experimental: Naming of Ridges and Valleys
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- users can use their own matcaps
.config/blender/2.80/datafiles/studiolights/matcap/ folder
- upto 100 matcaps can be loaded
- color of the matcap is influenced by the color of the material/single
color etc. To show the plain matcap use single color at 1.0
- chosing a matcap is at lighting level (flat/studio/matcap)
- matcap only possible in solid mode
- also works for X-Ray mode
As the old matcaps are still in used by the clay engine I didn't remove
it yet.
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This was the last remaining problem with shadow volumes (that I know of).
Only extrude until we hit the far plane.
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Now hairs are shaded properly in workbench and support texturing.
I also added a 10% random normal direction per hair to have a bit more
variation in the shading. This is hardcoded for now.
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- Uses the roughness setting of the basic eevee material
- renamed gloss_mir to roughness
- set default of roughness to 0.25
- renamed ray_mirror to metallic
- cleaned up material rna (BI mirror struct)
- use BLINN phong model
- normalize incoming/outgoing specular light
- when using camera oriented studiolight, the SolidLight will be used
for specular highlights
- EXPERIMENT: when in world oriented studiolight only the shadow direction will be used.
- change the settings of the internal light to make scenes more
readable
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Added specular highlights for:
- Solid studio shading
- Texture studio shading
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Test if all nearplane points are not in front of the shadow BBox.
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If the object is manifold and the camera is in the shadow side, we can
use the depth fail method to fix the inverted shadow glitch.
Unfortunately this does not really work for non-manifold.
Implementation details:
We try to be as efficient as we can, we precompute camera near plane
projected into 2D shadow space so we can test for intersection with the
shadow boundbox easily.
As the intersection test is done in 2D it's pretty fast.
Unfortunately, this means the shadow bounds are all aligned to the same
space and are not the smallest bound we could extract.
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Totally Manifold objects only require a single increment/decrement of the
stencil value. This result in less geometry generated and less overdraw.
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in EDIT MODE
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Unmultiplied the final color during compositing. Same as the revealage
buffer would do
Also use the DRW_STATE_ADDITION_FULL as it is aware of premultiplied
colors
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Option to see through all meshes (transparency)
Works for OB_SOLID and OB_TEXTURED. Does not work for
V3D_SHADING_SHADOW.
TODO: Fresnel effect
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Also add new debug visualisation.
Depth fail method is not used for the moment but has nice benefits. It will
be used efficiently in the future.
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Avoid 2 matrix multiplication in the shader.
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The Studio lights are now loaded from disk. The location is
`datafiles/studiolights` they need to be JPG for now. JPG cannot store
HDRI color range but they are clamped inside the Workbench
engine for speed reason. I didn't select JP2K as it might not be
enabled.
Users can add upto 20 HDRI files. This limitation is inside the
RNA_space.c Currently the icons are calculated when you first open the
selection box for the HDRI's. We could add them to a background
rendering later.
I added 2 test files a sky texture rendered in Cycles and an HDRI from
cloud.blender.org.
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We should use consistent naming between the internal code and UI whenever
possible, only reason not to is file compatibility.
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Initial review of the shard shadows in the workbench engine.
Speed optimizations like transform feedback are not implemented yet. I first want this part to be reviewed and merged.
@fclem please check the note in drw_stencil_set it was holding back nequal == 0 as by default DST.stencil_mask was set to 0. questioin is should we remove the whole check or not.
Also I am still looking for a better name (or split the enum) for DRW_STATE_STENCIL_DEPTH_FAIL_INCR_DECR_WRAP
Reviewers: fclem
Reviewed By: fclem
Tags: #code_quest
Differential Revision: https://developer.blender.org/D3198
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Added Object Overlap Overlay
- Added R32UI support to GPU_framebuffer
- Added R32U support to draw manager
- The overlay mode has a object data pass that will render 'needed' data to specific buffers so we can mix them together via a deferred rendering. In future will also add UV's and other data
- Overlap is implemented as an overlay so it could be used on top of the Scene lighted Solid mode (that will be rendered by Eevee.
Reviewers: fclem, brecht
Reviewed By: fclem
Subscribers: sergey
Tags: #code_quest
Maniphest Tasks: T54726
Differential Revision: https://developer.blender.org/D3174
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Applied to newly added files in 2.8
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Basic implementation hashes the ob->id.name. In the future we should use
an golden ratio offset algorithm as it can make a better random
palettte.
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Will be part of the collection manager where per collection the
ob->col can be set. This currently depends on DepsGraph +
CollectionManager.
I removed it for now so the code won't influence development
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Now every 3d view can have its own solid draw color setting
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- added `object_color_type` where the user can set if the collection
determines the color, or the object will be used for the color.
Implemented it as an enum as later this can have a random color option.
- moved OB_LIGHTING_* to DNA_view3d_types and renamed it.
- Fixed some DRY in workbench_materials.c. Can remove more DRY's but
will need to discuss the responsibility of the workbench engine as it
might become part of the eevee renderer.
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