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Author SHA1 Message Date
ocornut
ebc5dcf69c DrawList: support altering RoundCorners flags in scope as an undocumented trick/hack. (9489) 
Not documented because it could become troublesome if treated as a guaranteed styling feature.
 2026-09-07 16:24:08 +02:00
ocornut
c0a7aa3430 DrawList: removed AddPolylineLegacy(), AddConvexPolyFilledLegacy(). 2026-09-07 16:24:08 +02:00
ocornut
1897798b05 DrawList: removed g_LEGACY_STROKES. 2026-09-07 16:24:08 +02:00
ocornut
5338d4da33 DrawList: moved no-AA handling into _SelectFringeTexture(). 2026-09-07 16:24:07 +02:00
ocornut
21f35d1c64 DrawList: tweak _SelectFringeTexture(). move more-unlikely screen_thickness tests within already-unlikely block. re-add removed asserts. 2026-09-07 16:24:07 +02:00
ocornut
9b53a8fc90 Docs: update changelog. 2026-09-07 16:24:07 +02:00
ocornut
c0e859572a DrawList: moved _GetStrokePos() to a local inline function. 2026-09-07 16:24:07 +02:00
ocornut
f36bffe2d7 DrawList: added PushDrawFlag(), PopDrawFlag(), ImSmallStack_<> 2026-09-07 16:24:07 +02:00
ocornut
ca1ccc6bcc DrawList: consistently support scope flags (ImDrawFlags::Flags) + primitive flags. 
ImDrawFlags_AAEnds and ImDrawFlags_StrokeLegacy ok. (the most important ones).
ImDrawFlags_UseTexForRoundCorners ok.
ImDrawFlags_AAFill, ImDrawFlags_AAStrokes: for primitives: only for selected ones taking flags params. Haven't added the flag to all functions because it feels like a fringe use case.
ImDrawFlags_TextNoPixelSnap supported in RenderText(), per-prim (9417)
 2026-09-07 16:24:06 +02:00
ocornut
bf51f04dbc Demo: amend test bed to exercices more flags. 2026-09-07 16:24:06 +02:00
ocornut
2309b9018d DrawList: comment about ImFontAtlasFlags_NoBakedLines. 2026-09-07 16:24:06 +02:00
ocornut
55234f7dcf (Breaking) Obsoleted style.AntiAliasedLinesUseTex which now only makes sense for legacy strokes. Added style.AntiAliasedLineEnds. 2026-09-07 16:24:06 +02:00
ocornut
6d73d52c3b (Breaking) DrawList: removed ImDrawListFlags_in favor of using ImDrawFlags. 2026-09-07 16:24:05 +02:00
ocornut
f5da056195 DrawList: new ImDrawFlags API (yet unused in this commit) 2026-09-07 16:24:05 +02:00
ocornut
e1a77843e6 DrawList: inverted ImDrawFlags_NoAAEnds into ImDrawFlags_AAEnds. 2026-09-07 16:24:05 +02:00
ocornut
02c3ba796a DrawList: fixed warnings, added macro to facilitate visualizing rounded corner texture usage. 2026-09-07 16:24:05 +02:00
Mikko Mononen
9c6b0aa8b6 DrawList: Optimize AddNgon() 
- test overestimate before testing more expensive details when testing if stroked ngon is actualy filled
- Note: not a common function, but the test harness is using this to draw a triangle, which makes it show up in profiling
 2026-09-07 16:24:05 +02:00
Mikko Mononen
d3f1dc8053 DrawList: Optimize AddRectFilled() 
- detect and draw non-rounded non-AA rect with less branches and calculations
- improves new AddRectFilled() overhead from 30% to 5-10%
 2026-09-07 16:24:05 +02:00
Mikko Mononen
70f9ef0649 DrawList: Optimize _SelectFringeTexture() 
- store inverse line thickness in the spare texture uv component (same v was stord twice) to avoid division in _SelectFringeTexture
 2026-09-07 16:24:05 +02:00
ocornut
82c2b2c500 DrawList: surround _GetStrokePos() in IM_MSVC_RUNTIME_CHECKS_OFF macro. 2026-09-07 16:24:05 +02:00
ocornut
3d94f04196 ImFontAtlas: moved TexUv buffers and configurable defines to internals. 2026-09-07 16:24:04 +02:00
Mikko Mononen
3f2b49facb DrawList: Added some comments and amended existing ones 2026-09-07 16:24:04 +02:00
Mikko Mononen
b45c3cd7ad DrawList: Revert texture selection to simple round() in _SelectFringeTexture 
- revert texture selection to use just (inlined) round()
- the values were tuned to hide texture selection pops on small thickness
- since we're using super sampling for the problematic range, the tweaks are not necessayr anymore
 2026-09-07 16:24:04 +02:00
Mikko Mononen
e1c20644ac DrawList: No AA ends when line AA is disabled 2026-09-07 16:24:04 +02:00
Mikko Mononen
bd0f8bf544 DrawList: merged _AddPolyline back into AddPolyline. 
- AddPolyline used to call different versions of _AddPolyline, the separation is not needed anymore, one less function call in debug mode
 2026-09-07 16:24:04 +02:00
Mikko Mononen
6fa4cda363 DrawList: removed vertex offset overflow (for 16-bit ImDrawIdx support) handling. 
This seems unnecessary for now.
 2026-09-07 16:24:04 +02:00
Mikko Mononen
7a9a7a874e DrawList: restored non-AA rendering mode. 
- the ImDrawListFlags_AntiAliasedFill and ImDrawListFlags_AntiAliasedLines flags work again
- added non-AA rendering for polyline and convex poly filled
- do not use corner textures when AA is not used
- Add missing no-AA for single line case
 2026-09-07 16:24:04 +02:00
Mikko Mononen
2fe9792b6d DrawList: fixed overdraw of transparent rounded rectangles 
- transition earlier to _AddRectTinyRounding() to avoid overdraw issues
 2026-09-07 16:24:04 +02:00
Mikko Mononen
967ae9d240 DrawList: fixed baked corners to better match polyline corners 
- added CalcArcStepAndCount() to calculate the step size consistently
- _AddRectTinyRounding: fixed stem placement with thin lines (clamping was needed for an older version of the function)
- _AddRectTinyRounding: fixed texture coordinates (uses if inner/outer were reversed)
- use polygon instead of circle when calculating baked corner rounds (the circle was more accurate but looked different size comparet to polyline)
 2026-09-07 16:24:04 +02:00
Mikko Mononen
cdfcf0ea11 DrawList: added macro to have consistent check for rounding 
- use macro to test if rounding value is worthy
- changed threshold to be a bit smaller (for smoother handling of small radius), and relative to fringe
 2026-09-07 16:24:03 +02:00
Mikko Mononen
861c165d9f Demo: added rounding slider+animate to allow better test range of rounding values. 2026-09-07 16:24:03 +02:00
Mikko Mononen
a79ac2d93a DrawList: increase detailed line textures from 3px to 4px to better hide the texture change. 
+ amend: align #defines.
 2026-09-07 16:24:03 +02:00
Mikko Mononen
fb0bf39054 DrawList: fixed reserve counts in _AddPolyline(). 2026-09-07 16:24:03 +02:00
ocornut
52241f3206 DrawList: Debug build optimizations: add non-template ImMin/ImMax/ImClamp for int/float to avoid missing out on IM_MSVC_RUNTIME_CHECKS_OFF. 2026-09-07 16:24:03 +02:00
ocornut
c45034a249 DrawList: Debug build optimizations: disable over zealous stack checks in PrimReserve, PrimUnreserve, PrimRect, PrimRectUV, PrimQuadUV, _CalculateCenterBiasedOffset, ImAlphaMultiply, _SelectFringeTexture 
+ Undo inlined PrimRect() in AddRectFilled().
 2026-09-07 16:24:03 +02:00
Mikko Mononen
bfb1c1aaa1 DrawList: added vertex offset 16-bit ImDrawIdx support for _AddPolyline 2026-09-07 16:24:03 +02:00
Mikko Mononen
50be4ac081 DrawList: improved worst case vertex count for AddConvexPolyFilled, convex polys can have only 2 bevels verts. 2026-09-07 16:24:03 +02:00
Mikko Mononen
9611090874 DrawList: fixed indices when AllowVtxOffset is on 
- fix shape closing indices for AddPolyline and _AddRectTinyRounding
 2026-09-07 16:24:03 +02:00
Mikko Mononen
b1cadec61a DrawList: Optimization: added specialized 2 point polyline _AddLine(). 2026-09-07 16:24:03 +02:00
Mikko Mononen
c87010bb7f DrawList: added _InvFringeScale to use in cases of 1/_FringeScale. 2026-09-07 16:24:02 +02:00
Mikko Mononen
801cfdaa11 DrawList: minor render optimizations. 
- Use inline array + AddPolyline/AddConvexPolyFilled for triangle and quad
- do less computation for detecting small shape rendering
- add IM_UNLIKELY for very unlikely branches
 2026-09-07 16:24:02 +02:00
Mikko Mononen
9cdeccc0f6 DrawList: debug build optimizations. 
- changed truncated tests to use macro, and inline the computation in debug builds (~15% was spent on calling the functions)
- inlined the common rectangle cases in AddRect() for debug build speed up
 2026-09-07 16:24:02 +02:00
ocornut
9ee6e16ee1 DrawList: amends/review legacy stroke paths + minor tweaks. 2026-09-07 16:24:02 +02:00
ocornut
4d0afafb7b DrawList: renamed ImDrawFlags_StrokeCenterAligned to ImDrawFlags_StrokeCenterBiased. 2026-09-07 16:24:02 +02:00
Mikko Mononen
261d1887bb DrawList: Fixed vertex count calculation in_AddRectTinyRounding() 2026-09-07 16:24:02 +02:00
ocornut
af86c8e551 DrawList: skip PathLineTo/PathStroke calls for common AddLine() functions. (4091) 
Rough numbers
Debug x64, 100k lines: 91.5->80 ms, 87->75.5 ms (NoAAEnds), 87->76 ms (Legacy)
Release x64, 300 lines: 25.2->25 ms, 22.2->18.3 ms (NoAAEnds), 22.2->19.3 ms (Legacy)
 2026-09-07 16:24:02 +02:00
Mikko Mononen
e295d429be DrawList: fixed out of bounds access of baked corner based on thickness 2026-09-07 16:24:02 +02:00
ocornut
c20c3aa5ef Docs: update changelog. 2026-09-07 16:24:01 +02:00
ocornut
fafa147d2a DrawList: use straight floats when possible in _AddRectTinyRounding(). 2026-09-07 16:24:01 +02:00
ocornut
4b5224d2cb DrawList: avoid using output references in _SelectFringeTexture() + misc tweaks, comments. 
Matching coding style and more consistent for matching with other languages.
 2026-09-07 16:24:01 +02:00