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From: Couriersud
Subject: fix for audio dsp exit crash / various dfb issues

improved cursor handling
fixes some mouse and event related bugs

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From: Couriersud
Subject: fix for audio dsp exit crash / various dfb issues

The current code will crash on exiting an application. The attached diff
fixes the issue.

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in preparation for support for general color channel modulation.

Removed and consolidated some data in the blit info.

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rename : src/video/SDL_copy.c => src/video/SDL_blit_copy.c
rename : src/video/SDL_copy.h => src/video/SDL_blit_copy.h
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Moved fill and copy routines to their own files.

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rename : src/video/SDL_blit_copy.c => src/video/SDL_copy.c
rename : src/video/SDL_blit_copy.h => src/video/SDL_copy.h
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Added SDL_blit_copy.c to the Visual C++ project

The SSE and MMX intrinsics don't compile on Visual Studio yet...

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Prepping for using MMX and SSE intrinsics instead of inline assembly.
.. except for memcpy equivalents which only get faster if they can
   exploit the parallelism of loading into multiple SIMD registers. :)

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changes.

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Don't set the same OpenGL context multiple times

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From: Couriersud
Subject: Some SDL1.3 patches

LoadLibrary will call X11_GL_Initialize. If LoadLibrary is called before
a window is created, it will crash since structures are not properly set
up.

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From: Couriersud
Subject: Some SDL1.3 patches

fixed a compiler warning

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From: Couriersud
Subject: Some SDL1.3 patches

Modified UpdateTexture to lock and unlock DirectFB-Surface.

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 * Loop optimization for Mac OS X - should this generally be applied?

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to be fixed to handle framebuffers with alpha...

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This actually ends up being quite a bit slower on my MacBook, but I'm
checking it in to test on a PPC iMac.

Maybe someone knows why it's slower?

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The SDL 1.2 API version of testsprite went from 120 FPS to 320 FPS. :)

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a renderer based on a framebuffer.

Fixed an initialization bug with the dummy video display mode.

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