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When doing simple scenes the displacement shading failed during final
rendering when the displacement method is set to `Displacement + Bump`.
When this option is enabled the shader uses the Vector math
node. This node is part of the node group level 1. When doing simple
shading only using nodes that are part of the node group level
0 the shading was rendered black.
This only happened in final rendering as there the OpenCL programs are
optimized to save registries. Viewport rendering rendered correctly
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D5859
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This commit accidentally undid a bunch of previous commits. Only the intended
changes are left now.
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Differential Revision: https://developer.blender.org/D5716
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This was introduced in FFmpeg lavf 55.1.100 in 2013. For systems that are
still on LibAV or older FFmpeg there is a fallback implementation that
performs the same guess as we did before in `av_get_r_frame_rate_compat()`.
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Small memory reduction change by only storing the pixels of the combined
pass when it is being shown in the viewport. Previously the combined pass
was always calculated and present in the output buffer. The combined pass
will still be calculated.
It is a limitation in Blender that Cycles always had a combined pass.
This patch will remove the limitation from the code base of Cycles.
Blender still has the limitation, but will always request the combined
renderpass when doing final rendering.
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D5784
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Most of these calls were replaced with the successors as suggested
by Xcode's Fix-It. Functionality should not be affected.
This reduces the number of warnings when building on macOS.
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OSSplinLock is a deprecated API, os_unfair_lock is its successor.
This reduces the number of warnings when building on macOS.
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This uses hardware-accelerated raytracing on NVIDIA RTX graphics cards.
It is still currently experimental. Most features are supported, but a few
are still missing like baking, branched path tracing and using CPU memory.
https://wiki.blender.org/wiki/Reference/Release_Notes/2.81/Cycles#NVIDIA_RTX
For building with Optix support, the Optix SDK must be installed. See here for
build instructions:
https://wiki.blender.org/wiki/Building_Blender/CUDA
Differential Revision: https://developer.blender.org/D5363
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This adds all the kernel side changes for the Optix backend.
Ref D5363
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This patch adds a new Vertex Color node. The node also returns the alpha
of the vertex color layer as an output.
Reviewers: brecht
Differential Revision: https://developer.blender.org/D5767
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Differential Revision: https://developer.blender.org/D5776
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The local view check in the RNA didn't support instanced objects. Every
object has a copy of the local_view_bits from the base. This patch
changes the check to look at the local stored bits.
This patch removes the check if the object is part of the view_layer.
In the cases we are using it this check is not relevant. The `mesh_tissue`
add-on also uses it, and is not effected by this change.
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D5773
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This patch allows the Voronoi node to operate in 1D, 2D, and 4D space.
It also adds a Randomness input to control the randomness of the texture.
Additionally, it adds three new modes of operation:
- Smooth F1: A smooth version of F1 Voronoi with no discontinuities.
- Distance To Edge: Returns the distance to the edges of the cells.
- N-Sphere Radius: Returns the radius of the n-sphere inscribed in
the cells. In other words, it is half the distance between the
closest feature point and the feature point closest to it.
And it removes the following three modes of operation:
- F3.
- F4.
- Cracks.
The Distance metric is now called Euclidean, and it computes the actual
euclidean distance as opposed to the old method of computing the squared
euclidean distance.
This breaks backward compatibility in many ways, including the base case.
Reviewers: brecht, JacquesLucke
Differential Revision: https://developer.blender.org/D5743
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During F-12 Rendering the passed screen was Null, but decoded as a
number. In stead of a Null a 0 will be send to cycles python wrapper.
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This diff will add support for local view to Cycles rendered preview mode.
Currently the implementation shows same results as EEVEE does. This entails
a difference with Blender 2.79, where lights were automatically added to the
local view. {T69780} describes this should be solved before the next release.
This patch also solves missing `owner_id` issues when using the RNA CPP Api
from Cycles. Cycles didn't provide the `owner_id` making some functionality
fail, what then was worked around in Blender. It also fixes an issue in
`makesrna` where incorrect CPP code was generated when only `PARM_RNAPTR`
was provided.
An optional `view_layer` parameter is added to the `Object.local_view_get`
method to reduce lookups.
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D5753
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Ignore links with unavailable/disabled sockets during shader graph
generation.
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This change allows the user to select a renderpass in the 3d viewport.
Added support for external renderers to extend the `View3DShading` struct.
This way Blender doesn't need to know the features an external render engine wants to support.
Note that the View3DShading is also available in the scene->display.shading; although this is
supported, it does not make sense for render engines to put something here as it is really
scene/workbench related.
Currently cycles assumes that it always needs to calculate the combined pass; it ignores the
`pass_flag` in KernelFilm. We could optimize this but that was not in scope of this change
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D5689
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This patch extends Musgrave noise to operate in 1D, 2D, 3D, and 4D
space. The Color output was also removed because it was identical
to the Fac output.
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D5566
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This avoids artifacts for bump mapping and diffuse BSDFs, where the bump
normal deviates far from the actual normal.
Differential Revision: https://developer.blender.org/D5399
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The `dimensions` property of the noise nodes has been renamed to
`noise_dimensions` because it conflicted with and overwrote the
`dimensions` property of the base node.
Reviewers: brecht, JacquesLucke
Differential Revision: https://developer.blender.org/D5705
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Add option to change the Intensity of the HDRI in the 3d viewport. This works for both EEVEE and Cycles
Reviewed By: brecht, fclem
Differential Revision: https://developer.blender.org/D5674
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Some implementations of the standard c++ library doesn't define its
functions in the global namespace. So the `isinf` function might
fail in some systems. To fix this, we use the `ensure_finite`
function instead.
Reviewers: brecht
Differential Revision: https://developer.blender.org/D5687
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This patch rewrites the Mapping node to support dynamic inputs. The
Max and Min options have been removed. They can be added as Min and
Max Vector Math nodes manually.
Texture nodes still use the old matrix-based mapping. A new SVM node
`NODE_TEXTURE_MAPPING` has been added to preserve this functionality.
Similarly, in GLSL, a `mapping_mat4` function has been added.
Reviewers: brecht, JacquesLucke
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This patch extends perlin noise to operate in 1D, 2D, 3D, and 4D
space. The noise code has also been refactored to be more readable.
The Color output and distortion patterns changed, so this patch
breaks backward compatibility. This is due to the fact that we
now use random offsets as noise seeds, as opposed to swizzling
and constants offsets.
Reviewers: brecht, JacquesLucke
Differential Revision: https://developer.blender.org/D5560
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This change implements the basics as described in {T68312} for the
shading modes.
* LookDev shading mode is renamed to Material Preview. It always uses Eevee as renderer, and is intended to provide a fast material preview suitable for texture painting, and texture and material setup.
* Rendered shading gains "Use Scene Lights" and "Use Scene World" options similar to current Material Preview. These will be enabled by default. When Use Scene World is turned off, HDRIs will be used for lighting instead. These options are available for EEVEE and Cycles.
* Renderers will be able to customize the shading settings panel and add additional settings.
Reviewed By: brecht, fclem
Differential Revision: https://developer.blender.org/D5612
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OpenCL Parallel compilation only works inside Blender. When using cycles in a different setup (standaline or other software) it failed compiling kernels as they don't have the appropriate Python API and command line arguments.
This change introduces a `running_inside_blender` debug flag, that triggers out of process compilation of the kernels. Compilation still happens in subthread that enabled the preview kernels and compilation of the kernels during BVH building
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D5439
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This patch stitches the vertices along patch edges so that cracks can
no longer form when applying subdivision or displacement a mesh.
Subpatches are now formed in a way that ensures vertex indices along
subpatch edges are equal for adjacent subpatches. A mapping of vertices
along patch edges is built to preform stitching. Overall performance is
roughly the same, some gains were made in splitting, but some was lost
in stitching.
This fixes:
- T49049 (cracks between patches from material and uv seams)
- T49048 (discontinuous normals with true displacement)
Reviewers: sergey, brecht
Differential Revision: https://developer.blender.org/D3692
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Differential Revision: https://developer.blender.org/D5590
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`system_physical_ram` reported 1024x more System RAM than what
was actually available.
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Ref D5363
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Ref D5363
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In most cases this only makes a small startup time difference, but there is
no reason to do this.
Ref D5363
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