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MTLContext provides functionality for command encoding, binding management and graphics device management. MTLImmediate provides simple draw enablement with dynamically encoded data. These draws utilise temporary scratch buffer memory to provide minimal bandwidth overhead during workload submission.
This patch also contains empty placeholders for MTLBatch and MTLDrawList to enable testing of first pixels on-screen without failure.
The Metal API also requires access to the GHOST_Context to ensure the same pre-initialized Metal GPU device is used by the viewport. Given the explicit nature of Metal, explicit control is also needed over presentation, to ensure correct work scheduling and rendering pipeline state.
Authored by Apple: Michael Parkin-White
Ref T96261
(The diff is based on 043f59cb3b5835ba1a0bbf6f1cbad080b527f7f6)
Reviewed By: fclem
Differential Revision: https://developer.blender.org/D15953
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This change adds cryptomatte render passes to EEVEE-Next. Due to the upcoming viewport
compositor we also improved cryptomatte so it will be real-time. This also allows viewing
the cryptomatte passes in the viewport directly.
{F13482749}
A surface shader would store any active cryptomatte layer to a texture. Object hash is stored
as R, Asset hash as G and Material hash as B. Hashes are only calculated when the cryptomatte
layer is active to reduce any unneeded work.
During film accumulation the hashes are separated and stored in a texture array that matches
the cryptomatte standard. For the real-time use case sorting is skipped. For final rendering
the samples are sorted and normalized.
NOTE: Eventually we should also do sample normalization in the viewport in order to extract the correct
mask when using the viewport compositor.
Reviewed By: fclem
Maniphest Tasks: T99390
Differential Revision: https://developer.blender.org/D15753
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Add a dedicated `owner_id` pointer to ID types that can be embedded
(Collections and NodeTrees), and modify slightly come code to make
handling those more safe and consistent.
This implements first part of T69169.
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D15838
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This was caused by rB07cf3ce92fa2. It was missing a sign flip.
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This replaces the direct shader uniform layout declaration by a linear
search through a global buffer.
Each instance has an attribute offset inside the global buffer and an
attribute count.
This removes any padding and tighly pack all uniform attributes inside
a single buffer.
This would also remove the limit of 8 attribute but it is kept because of
compatibility with the old system that is still used by the old draw
manager.
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# Conflicts:
# release/scripts/addons
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This was caused by un-wanted normalization. This is a requirement of
the MikkTspace. The issue is that g_data.N is expected to be normalized
by many other functions and overriden by bump displacement.
Adding a new global variable containing the interpolated normal fixes the
issue AND make it match cycles behavior better (mix between bump and
interpolated normal).
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Upcoming cryptomatte patch would need access to these defines. So moving
them from film_lib to shader shared. We cannot include the film_lib as
it requires images/textures to be bound that we don't need.
At the same time fixes incorrect casing (`lAYER` => `LAYER`).
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EEVEE-Next passes were rendered to the render result, but didn't appear
in the compositor. Reasoning is that when a render engine has the update
render passes callback registered it would not register any default
render passes. This callback is used to update the Render Layer node.
This patch implements the callback for EEVEE-Next with the render passes
that are already available. In the future the callback should be
extended. Note that AO/SHADOW render passes have been disabled for now
as they need to be converted to color buffers.
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This fixes a compilation error in eevee_light_culling_debug shader.
Some compilers complained when accessing the same data twice. Unclear
why. We should investigate that this change doesn't harm the performance
of the shader.
Although the light is a local variable it might clutter available
registers. If so it will harm developers during debugging.
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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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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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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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