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This implementation is a bit hacky but match cycles pretty close.
If pixel size is not enabled, it will use the geom shader to
compute distances between vertices. This will have a cost.
Implementation is a bit hacky in gpu_codegen to make the geom shader works
in an optional manner.
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Differential Revision: https://developer.blender.org/D3680
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Conflicts:
source/blender/blenkernel/intern/collision.c
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Differential Revision: https://developer.blender.org/D3668
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This supports meshes and hairs too. Matches cycles output.
This adds barycentric coords to the GPUBuiltin enum which will also be used
for the wireframe node.
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* Remove GPU_link_changed which is unused.
* Remove all GPU link function that are not used anymore.
* GPU_uniform_buffer is now GPU_uniform.
* GPU_texture_ramp is now GPU_color_band.
* GPU_uniform is now GPU_constant.
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Color ramp with constant interpolation must bypass texture filtering and
use nearest neighboor sampling in order to appear correctly sharp.
This patch use a GLSL hack to use nearest sampling on thoses particular
color band.
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This lower the use of texture samplers slots and let users use more real
textures in their shaders.
This patch also make the ramp texture 16 bit floating point. Meaning you
can now use value greater than one in your color ramps.
With the limit of 128 colorband per shader (a color band being either a
color ramp, a wavelength node or a curve node (and maybe wavelength node in
the future)).
Only drawback with the current implementation is that it does not remove
colorband from pruned GPUNodes but it shouldn't really matter in practice.
This should fix T56010
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This is more like a static optimisation when some parameters are set to 1.0
or 0.0. In theses case we use a more optimized version of the node.
This also revisit the transmission parameter behaviour to make it closer to
cycles.
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The remaining ones are from the attributes linear/srgb switches and from
nodes that should be pruned before running their _gpu function.
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This means tweaking parameter is now interactive and does not need to
recompile the shaders.
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This is in order to reference the localized node->storage when populating
the UBO data.
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Add placeholder for cubic and smart filtering for now.
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Blending was done in srgb space and was not matching cycles.
Optimized by using less branches and more vector operations.
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This is a physically-based, easy-to-use shader for rendering hair and fur,
with controls for melanin, roughness and randomization.
Based on the paper "A Practical and Controllable Hair and Fur Model for
Production Path Tracing".
Implemented by Leonardo E. Segovia and Lukas Stockner, part of Google
Summer of Code 2018.
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Features to get the 2nd, 3rd, 4th closest point instead of the closest, and
various distance metrics. No viewport/Eevee support yet.
Patch by Michel Anders, Charlie Jolly and Brecht Van Lommel.
Differential Revision: https://developer.blender.org/D3503
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This works for Cycles, Eevee, texture nodes and compositing. It helps to
reduce the number of math nodes required in various node setups.
Differential Revision: https://developer.blender.org/D3537
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Remove support for loading interlaced image sequences because
its less common now to record interlaced video,
the option to de-interlace video on load remains.
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No longer needed after Blender Internal removal and Eevee replacing the
Cycles GLSL shading nodes.
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Internally it's still mostly named lamps, though some modules like Cycles
were already calling them lights.
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This makes it possible to have a single shading nodetree that contains
separate Cycles and Eevee shaders. By default the target is set to All
so shaders are shared.
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The Eevee AO node supports the new Normal socket, but ignores Distance,
Samples, Inside and Only Local settings.
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This means the shader can now be used for procedural texturing. New
settings on the node are Samples, Inside, Local Only and Distance.
Original patch by Lukas with further changes by Brecht.
Differential Revision: https://developer.blender.org/D3479
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Conflicts:
source/blender/blenkernel/BKE_mesh.h
source/blender/blenkernel/intern/mesh_convert.c
source/blender/editors/interface/interface_eyedropper_color.c
source/blender/editors/object/object_add.c
source/blender/editors/space_image/image_ops.c
source/blender/makesrna/intern/rna_image.c
source/blender/windowmanager/intern/wm_draw.c
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BKE_image was an ugly nest, could fix all but the ones from compositor,
so moved ugly G.main there, at least we know where the Evil is that way ;)
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Remove from blender/nodes, collada, blenfont & render.
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