Coming back to look at directFB after working on something else. I'd like to continue the thread about trying to understand the relationship between all the hardware acceleration layers. (the post title was "DirectFBGL and Mesa")
Is this schema correct? :
+-----------------+-----------------------------+
| | 2D+3D accelerated DirectFB |
| +-----------------------------+
| 2D accelerated | DirectFBGL |
| DirectFB +-----------------------------+ USER
| | MESA embedded * |
| +-----------------------------+
| | DRI (user side part) * |
+-----------------+-----------------------------+=======
| | DRI (kernel side part: DRM) |
| +-----------------------------+ KERNEL
| Frame buffer (2D support) |
+-----------------------------------------------+
* special version patched for DirectFB
MESA embedded and DRI are slightly modified version tweeked for DFB, right?
DRI exists for different architectures but DirectFBGL only for matrox if I remember well. Does that mean that the fact DirectFBGL is not available on other archs is because the patches on MESA and DRI have not been done?
BTW, is DRM sitting on top of framebuffer (as I sketched) or aside?
Gildas
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