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Aye... OpenGL cannot draw concave (C shaped) polygons... that screws up the
Lasso tool, when it uses backbuffer selection.
Examined for little while the GLU Tesselation library, but apart from its
nightmarish structure, it's even stupid (no builtin clock/counterclock).
So, instead coded a DispList based function using Blender's edgefill.
Works like a charm! :)
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- removed displistmesh_from_{mesh,editmesh}
- removed EditVert.ssco
- removed unused functions for DispListMesh DerivedMesh
Still need lots more testing for this stuff.
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- free derived mesh on freedisplist_object... bit of a hack but
just to be safe. oh dependency graph where are you!
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- removed DL_MESH displist type!!!! Now store a DerivedMesh directly.
- May still be some issues left having to do with releasing this
at the right time (old code just splashed free_displist all
over the place).
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avoid throwing them on later with addnormalsdisplist which is just
silly and burdensome.
- renamed displist_calc_vert_normals to displist_calc_normals
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this is to ease migration.
- updated particles and STL converter to use DerivedMesh interface. This
is a bit wasteful at the moment, but these are not key performance areas.
Can update once DerivedMesh has accessors for faces and face data.
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Render:
- New; support for dual CPU render (SDL thread)
Currently only works with alternating scanlines, but gives excellent
performance. For both normal render as unified implemented.
Note the "mutex" locks on z-transp buffer render and imbuf loads.
- This has been made possible by major cleanups in render code, especially
getting rid of globals (example Tin Tr Tg Tb Ta for textures) or struct
OSA or using Materials or Texture data to write to.
- Made normal render fully 4x32 floats too, and removed all old optimizes
with chars or shorts.
- Made normal render and unified render use same code for sky and halo
render, giving equal (and better) results for halo render. Old render
now also uses PostProcess options (brightness, mul, gamma)
- Added option ("FBuf") in F10 Output Panel, this keeps a 4x32 bits buffer
after render. Using PostProcess menu you will note an immediate re-
display of image too (32 bits RGBA)
- Added "Hue" and "Saturation" sliders to PostProcess options
- Render module is still not having a "nice" API, but amount of dependencies
went down a lot. Next todo: remove abusive "previewrender" code.
The last main global in Render (struct Render) now can be re-used for fully
controlling a render, to allow multiple "instances" of render to open.
- Renderwindow now displays a smal bar on top with the stats, and keeps the
stats after render too. Including "spare" page support.
Not only easier visible that way, but also to remove the awkward code that
was drawing stats in the Info header (extreme slow on some ATIs too)
- Cleaned up blendef.h and BKE_utildefines.h, these two had overlapping
defines.
- I might have forgotten stuff... and will write a nice doc on the architecture!
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- display of 'smooth' or 'solid' is correct now
- standard bevel and extrude displays in 'smooth' correctly now (with sharp
edges where you expect it)
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hopefully prevents weird results in grabber... error was that the
editNurb was not used for triangulating.
Also; added drawing the wire as extra in solid display editing curves...
that for unfilled curves as well.
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- in Solid draw mode, curves without faces draw as wireframe now
- in Solid draw mode, curves without faces don't get fat outline on select
- in Solid draw mode, editing curves shows filled now!
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- Zbuffer clipped selection
Based on same algos as for drawing (blender polygon offset) vertices, edges
and faces now are clipped for draw and selection when Zbuffer is used.
Note that it works for endpoint vertices of edges, and for facecenters.
Also works for border and circle-select
- Optimal draw subsurfs
This now draws optimal with faces and edges selected/unselected, hiding the
original 'cage' (mesh) completely.
TODO: edge select, which still uses original (invisible) edge.
http://www.blender3d.org/cms/Mesh_editing_rewrite.425.0.html
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duplicate code for tapering needed.
Now tapered curves render too.
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Edges in Mesh
- adds automatic when you use creases. For other situations; call the
void make_edges(Mesh *me) in mesh.c. Of course, once in editmode the
edges are automatically recreated.
- in F9 buttons you can add/remove edges too
- both for Mesh and DisplistMesh, so it speeds up drawing quite some in
wireframe
- render for edges can't work... edges have no material nor tface nor col..
so here still the faces are rendered in wire
Creases in Subsurf
- based on the code by Chris McFarlen
- main changes is that now edges are used, saving quite some data in file
- use SHIFT+E in editmode to set edges-sharpness. values go from 0-1
- in F9 buttons you can set draw-crease mode. It draws now blended from
wire color to edge-select color (as provided in Theme)
Known issue: setting sharpness on 1 cube (subdiv 2) gives weird results
with some values... Chris, can you check?
Further; code cleanups, changing 0 in NULL when needed, no warnings, etc etc
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OpenGL draw.
(BTW: the previous commit also solves raytrace errors with negative scaled
objects...)
Further a cleanup of displaylist flags and object/base flags. The #define
ACTIVE is moved to filesel.c (only used here).
The GONNA_MOVE #define got a OB_ added in front.
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hold the three lists, nothing major, but gives a place to hang data
off of and a single "mesh" structure to pass around for editing
functions.
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of zr). This struct was never written to file and the new 'int based'
MFace can be used in it's place. Some removal of redundant code could
perhaps be done now (I didn't do any though, just "s/MFaceInt/MFace/").
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- reduced main subsurf interface to two functions to make DispListMesh
structures from an editmesh or a regular mesh. for the most part this
means that to implement a geometry modifier you only need to write
these two functions (not very plugable yet however).
- added displistmesh_from_mesh and displistmesh_from_editmesh functions
which allow simple support of subdivLevel(0) subsurfs, somewhat handy
for testing things (like why orco doesn't work for subsurf).
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- removed some vertice tweaking for subsurf->displist conversion
- replaced stupid way of doing edcode calculation for ME_OPT_EDGES flag
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can be found under the 'SubSurf' button.
Optimal drawing only shows the subdivided original edges. Quite nice!
And; it's a load faster!
- to evaluate: do we want this in editmode too?
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So we should be all set now :)
Kent
--
mein@cs.umn.edu
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(adding)
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
also the Makefile.in's were from previous patch adding
the system depend stuff to configure.ac
Kent
--
mein@cs.umn.edu
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little minor spacing issues.
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