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ImDrawList: Added ImDrawCmd::VtxOffset value to support large meshes (64k+ vertices) using 16-bits indices. To enable the feature, the renderer back-end needs to set 'io.BackendFlags |= ImGuiBackendFlags_HasVtxOffset' and honor the ImDrawCmd::VtxOffset field. Otherwise the value will always be zero. This has the advantage of preserving smaller index buffers and allowing to execute on hardware that do not support 32-bits indices.

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ImDrawList: Added ImDrawCmd::IdxOffset value, equivalent to summing element count for each draw command. This is provided for convenience and consistency with VtxOffset. (#2591)
This commit is contained in:
omar
2019-05-29 15:25:53 +02:00
parent 40b9e5e0b4
commit d1e8b698d0
6 changed files with 73 additions and 25 deletions
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docs/CHANGELOG.txt
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@ -56,6 +56,13 @@ Other Changes:
- Style: Added style.WindowMenuButtonPosition (left/right, defaults to ImGuiDir_Left) to move the
collapsing/docking button to the other side of the title bar.
- Style: Made window close button cross slightly smaller.
- ImDrawList: Added ImDrawCmd::VtxOffset value to support large meshes (64k+ vertices) using 16-bits indices.
To enable the feature, the renderer back-end needs to set 'io.BackendFlags |= ImGuiBackendFlags_HasVtxOffset'
and honor the ImDrawCmd::VtxOffset field. Otherwise the value will always be zero.
This has the advantage of preserving smaller index buffers and allowing to execute on hardware that do not
support 32-bits indices. Most examples back-ends have been modified to support the VtxOffset field.
- ImDrawList: Added ImDrawCmd::IdxOffset value, equivalent to summing element count for each draw command.
This is provided for convenience and consistency with VtxOffset.
- ImFontAtlas: FreeType: Added RasterizerFlags::Monochrome flag to disable font anti-aliasing. (#2545)
Combine with RasterizerFlags::MonoHinting for best results.
- ImFontGlyphRangesBuilder: Fixed unnecessarily over-sized buffer, which incidentally was also not