Re: [AGG] B2dPipe - 2D Pipeline Compiler

[Petr K. <kob...@gm...>]

Hi Ben,

All images on https://blend2d.com site were rendered by Blend2D through
B2dPipe. I have many demos, some use C++ and some node.js (through JS
bindings of Blend2D). However, demos and benchmarks will be published after
I release the main product - Blend2D. B2dPipe was released as a separate
project to allow others to also benefit from JIT, and I posted it here
because I also use analytic rasterizer similar to AGG.

I'm really looking forward to publish all the benchmarks I have as the
results are really impressive, but it will have to wait a bit until Blend2D
alpha is released. I compare with Cairo and Qt, and if I publish my results
now there would be no way to verify the numbers are accurate.

I plan to release Blend2D at the end of February / start of March, so let's
see if I can make it on schedule :)

Best,
Petr


On Fri, Feb 17, 2017 at 9:18 AM, Ben Harper <be...@im...> wrote:

> Sounds awesome. Do you have a demo using b2dpipe to produce actual pixels,
> and do you have performance numbers?
>
>
>
> *From:* Petr Kobalíček [mailto:kob...@gm...]
> *Sent:* Friday, January 27, 2017 3:13 PM
> *To:* Anti-Grain Geometry <vec...@li...>
> *Subject:* [AGG] B2dPipe - 2D Pipeline Compiler
>
>
>
> Hi list,
>
>
>
> I would like to announce a first release of b2dpipe library. It's a 2D
> pipeline compiler written in C++ that I developed as a part of Blend2D
> project. It currently implements only 32-bit pixel formats and there are
> some missing features that should be finished before general use, but I
> think it's in a good shape for experimenting and contributing.
>
>
>
> It's not a 2D engine and the library doesn't provide any 2D drawing
> context. It's a low-level library allowing you to define a 2D pipeline and
> to compile it at runtime by using a JIT compiler. This means that the
> library can be used in any rendering engine as a software-based rendering
> backend.
>
>
>
> What b2dpipe offers at the moment:
>
>
>
>   * ARGB32 (premultiplied) and XRGB32 pixel formats
>
>   * Acceleration of various compositing and blending operators
>
>   * Acceleration of rendering gradiends and textures
>
>   * Acceleration of semi-transparent blits
>
>   * 3 fill types (2 rectangle fills and one analytic)
>
>
>
> The library doesn't provide its own rasterizer, and I don't know if it
> should be part of it (I guess I will put it in a separate project instead),
> but it has an implementation of calculating alpha coverage based on the
> same analytic method as used by FreeType and AGG. Base structures are
> defined in b2dpipe::FillData::Analytic, most importantly Analytic::Cell and
> Analytic::Span, which are analogous to antigrain cell and array of cells. I
> would provide more details to anyone who is interested about this.
>
>
>
> Blend2D project:
>
>
>
>   https://blend2d.com
>
>
>
> B2dPipe repository:
>
>
>
>   https://github.com/blend2d/b2dpipe
>
>
>
> Thanks for your attention, and hopes for your contribution!
>
>
>
> Best,
>
> Petr
>
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