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Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)

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From: couriersud arcor.de
To: slouken@libsdl.org
Subject: Directfb driver for SDL1.3

Hi,

the attachment contains a patch for a SDL1.3 directfb driver. It supports:

- Renderer "directfb":

Hardware acceleration as supported by the underlying directfb driver. With a
radeon X850, testsprite2 runs at 50% to 70% of OpenGL (X11, dri) performance.

Also supports hardware accelerated yuv overlays. This must be enabled by sett
ing:

export SDL_DIRECTFB_YUV_DIRECT=1

- Renderer "opengl"

Supports software opengl using mesa opengl (make linux-directfb).

Some more information may be found in README.DirectFB

There will certainly still be some bugs, and there is some debug code around.
 When I find some time, I will compile against directfb-0.9.25 as distributed
 with ubuntu 7.04.

The diff also contains a fix for SDL_LockYUVOverlay fixing a bug in  *pixels
and pitches initialization.

Kind regards,

couriersud

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%402588
This commit is contained in:
Sam Lantinga 2007-08-11 21:51:19 +00:00
parent fa64b7b113
commit 2de3ba209d
12 changed files with 2297 additions and 1506 deletions
Download patch file Download diff file Expand all files Collapse all files

8
src/SDL_compat.c
View file

@ -1440,19 +1440,21 @@ SDL_LockYUVOverlay(SDL_Overlay * overlay)
< 0) {
return -1;
}
overlay->pixels[0] = (Uint8 *) pixels;
overlay->pitches[0] = pitch;
switch (overlay->format) {
case SDL_YV12_OVERLAY:
case SDL_IYUV_OVERLAY:
overlay->pixels[0] = (Uint8 *) pixels;
overlay->pitches[1] = pitch / 2;
overlay->pitches[2] = pitch / 2;
overlay->pixels[1] =
overlay->pixels[0] + overlay->pitches[0] * overlay->h;
overlay->pixels[2] =
overlay->pixels[1] + overlay->pitches[1] * overlay->h;
overlay->pixels[1] + overlay->pitches[1] * overlay->h / 2;
break;
case SDL_YUY2_OVERLAY:
case SDL_UYVY_OVERLAY:
case SDL_YVYU_OVERLAY:
overlay->pixels[0] = (Uint8 *) pixels;
break;
}
return 0;