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Metaball, curve, text, and surface objects use the geometry component
system to add evaluated mesh object instances to the dependency graph
"for render engine" iterator. Therefore it is unnecessary to process
those object types in these loops-- it would either be redundant work
or a no-op.
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With the ultimate goal of simplifying drawing and evaluation,
this patch makes the following changes and removes code:
- Use `Mesh` instead of `DispList` for evaluated basis metaballs.
- Remove all `DispList` drawing code, which is now unused.
- Simplify code that converts evaluated metaballs to meshes.
- Store the evaluated mesh in the evaluated geometry set.
This has the following indirect benefits:
- Evaluated meshes from metaball objects can be used in geometry nodes.
- Renderers can ignore evaluated metaball objects completely
- Cycles rendering no longer has to convert to mesh from `DispList`.
- We get closer to removing `DispList` completely.
- Optimizations to mesh rendering will also apply to metaball objects.
The vertex normals on the evaluated mesh are technically invalid;
the regular calculation wouldn't reproduce them. Metaball objects
don't support modifiers though, so it shouldn't be a problem.
Eventually we can support per-vertex custom normals (T93551).
Differential Revision: https://developer.blender.org/D14593
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This change combines the diffuse/specular light passes into a single texture
array, freeing up an image binding for cryptomatte.
When diffuse/specular light pass and/or requested a
texture array will be allocated. Only when specular light is requested 2 images will always be allocated. This increases the
memory overhead when viewing the specular light renderpass in the viewport. For final rendering it is a common scenario that none
or both are requested.
Reviewed By: fclem
Differential Revision: https://developer.blender.org/D15701
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This new implementation does all downsampling in a single compute shader
dispatch, removing a lot of complexity from the previous recursive
downsampling.
This is heavilly inspired by the Single-Pass-Downsampler from GPUOpen:
https://github.com/GPUOpen-Effects/FidelityFX-SPD
However I do not implement all the optimization bits as they require
vulkan (GL_KHR_shader_subgroup) and is not as versatile (it is only
for HiZ).
Timers inside renderdoc report ~0.4ms of saving on a 2048*1024 render for
the whole downsampling. Note that the previous implementation only
processed 6 mips where the new one processes 8 mips.
```
EEVEE ~1.0ms
EEVEE-Next ~0.6ms
```
Padding has been bumped to be of 128px for processing 8 mips.
A new debug option has been added (debug value 2) to validate the HiZ.
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Contributed by luzpaz.
Differential Revision: https://developer.blender.org/D15680
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Temporarily commented out LightModule::input_depth_tx until it is used to hide a
compilation warning.
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This is the same implementation as the old one.
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Compared to the previous implementation this has a limit of 65536 lights
per scene. Lights exceeding this limit will be ignored.
This also introduce fine grained GPU light culling, making rendering
many lights in a scene more efficient as long they don't overlap much.
Compatible light panels have been unhidden.
Note: This commit does not include surface evaluation, only light culling.
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This avoid some macro name clashing with other engines where this struct
is not needed.
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Fix a number of warnings reported by Clang Tidy in the realtime
compositor's code.
Differential Revision: https://developer.blender.org/D15654
Reviewed By: Clement Foucault
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This patch adds the core realtime compositor evaluator as well as a
compositor draw engine powered by the evaluator that operates in the
viewport. The realtime compositor is a new GPU accelerated compositor
that will be used to power the viewport compositor imminently as well as
the existing compositor in the future.
This patch only adds the evaluator and engine as an experimental
feature, the implementation of the nodes themselves will be committed
separately.
See T99210.
Differential Revision: https://developer.blender.org/D15206
Reviewed By: Clement Foucault
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This is a complete rewrite of the draw debug drawing module in C++.
It uses `GPUStorageBuf` to store the data to be drawn and use indirect
drawing. This makes it easier to do a mirror API for GPU shaders.
The C++ API class is exposed through `draw_debug.hh` and should be used
when possible in new code.
However, the debug drawing will not work for platform not yet supporting
`GPUStorageBuf`. Also keep in mind that this module must only be used
in debug build for performance and compatibility reasons.
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Using 2 framebuffer, if the temp textures are the same across redraws,
we can avoid the setup cost.
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There was a missing clamp in `dof_slight_focus_coc_tile_get()`
and a couple of wrongly handled corner cases.
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This replace the previous square rings approach by sampling a disk the
footprint of the search area. This avoids sampling in areas in corners
where there isn't any weight.
This results in much less samples needed to acheive a good enough result.
The max number of samples for an area of 11x11 px is hard coded to 16 and
still gives good results with the final clamp.
The number of samples is adaptative and is scaled by the search area (max
CoC).
The High Quality Slight Defocus is not required anymore. If there is a
quality parameter to add, it would be sample count option. But I consider
the temporal stability enough for viewport work and render can still
render many full scene samples. So I don't see a need for that yet.
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The indexing during mipmap downsampling was wrong, leading to incorrect
bilateral downsampling.
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This adds anti-flicker pass to the slight focus region by using the
temporaly stable output from stabilize pass.
This also fixes the bilateral weight factor which was reversed.
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This was caused by a missing synchronization.
The background gather pass was writting to the same occlusion texture
before the end of the scatter draw.
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This implement a full TAA pass on the depth of field input.
An history buffer is kept for each view needing Depth of field.
This uses a swap with a `TextureFromPool` in order to not always 2
textures allocated.
Since this uses luma weighting without any input, the firefly parameter is
now obsolete and has been removed.
There is some tiny difference with the Film TAA so the implementation is
mostly copy pasted.
Also this implementation uses a LDS cache to speedup the TAA computations.
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This moves the slight focus max in tile from the setup pass to the
resolve pass. This reduces complexity as there is no need for an extra
component in the tile textures.
This also avoids skipping any pixels and makes sure the local max matches
the dispatched local group size. This should make the resolve pass a little
bit faster.
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Contributed by luzpaz.
Differential Revision: https://developer.blender.org/D15588
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This is a port of the previous implementation but using compute
shaders instead of using the raster pipeline for every steps.
Only the scatter passes is kept as a raster pass for obvious performance
reasons.
Many steps have been rewritten to take advantage of LDS which allows faster
and simpler downsampling and filtering for some passes.
A new stabilize phase has been separated from another setup pass in order
to improve it in the future with better stabilization.
The scatter pass shaders and pipeline also changed. We now use indirect
drawcall to draw quads using triangle strips primitives. This reduces
fragment shader invocation count & overdraw compared to a bounding
triangle. This also reduces the amount of vertex shader invocation
drastically to the bare minimum instead of having always 3 verts per
4 pixels (for each ground).
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Those are no longer necessary.
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For now, we need to always bind the render pass images even if not used.
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The change is likely not noticeable.
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There were 2 errors.
1. hair code was used to draw curves
2. vertex shader wasn't aware of curves and failed to compile.
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Although eevee-next is disabled in Blender 3.3 there is an error that is
visible when compiling shaders using the shader builder.
This is because of an error in a preprocessing directive (defined should
be define).
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Also clears the render result to 0 to avoid invalid motion vectors.
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Still not working but the idea is to read the result and display the
first image sample so that user has a better feedback of the
rendering.
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The new implementation leverage compute shaders to reduce the
number of passes and complexity.
The max blur amount is now detected automatically, replacing the property
in the render panel by a simple checkbox.
The dilation algorithm has also been rewritten from scratch into a 1 pass
algorithm that does the dilation more efficiently and more precisely.
Some differences with the old implementation can be observed in areas with
complex motion.
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This removes the quirk of having to call the sync function for each new
render loop.
# Conflicts:
# source/blender/draw/engines/eevee_next/eevee_view.cc
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This avoids correlation artifacts with the jitter pattern itself.
Also try to reduce the visible spiral pattern.
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The display depth is used to composite Gpencil and Overlays. For it to
be stable we bias it using the dFdx gradient functions. This makes
overlays like edit mode not flicker.
The previous approach to save the 1st center sample does not work anymore
since we jitter the projection matrix in a looping pattern when scene
is updated. So the center depth is only (almost) valid 1/8th of the times.
The biasing technique, even if not perfect, does the job of being stable.
This has a few cons:
- it makes the geometry below the ground plane unlike workbench engine.
- it makes overlays render over geometry at larger depth discontinuities.
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