From 7a2af605c2c2b0d2e9bbb0b161eba8842acefbcb Mon Sep 17 00:00:00 2001 From: marha Date: Fri, 15 Jun 2012 08:28:24 +0200 Subject: fontconfig mesa pixman xserver git update 15 juni 2012 --- mesalib/docs/llvmpipe.html | 37 ++++++++++++++++++++----------------- 1 file changed, 20 insertions(+), 17 deletions(-) (limited to 'mesalib/docs/llvmpipe.html') diff --git a/mesalib/docs/llvmpipe.html b/mesalib/docs/llvmpipe.html index bd9cc26f2..cf4512ffc 100644 --- a/mesalib/docs/llvmpipe.html +++ b/mesalib/docs/llvmpipe.html @@ -1,12 +1,13 @@ - + + + + + llvmpipe + + + -llvmpipe - - - - - -

Introduction

The Gallium llvmpipe driver is a software rasterizer that uses LLVM to @@ -24,19 +25,19 @@ It's the fastest software rasterizer for Mesa.

-
An x86 or amd64 processor; 64-bit mode recommended.
An x86 or amd64 processor; 64-bit mode recommended.

Support for SSE2 is strongly encouraged. Support for SSSE3 and SSE4.1 will yield the most efficient code. The fewer features the CPU has the more - likely is that you run into underperforming, buggy, or incomplete code. + likely is that you run into underperforming, buggy, or incomplete code.

See /proc/cpuinfo to know what your CPU supports.
-
LLVM: version 2.9 recommended; 2.6 or later required.
- NOTE: LLVM 2.8 and earlier will not work on systems that support the +
LLVM: version 2.9 recommended; 2.6 or later required.
+
NOTE: LLVM 2.8 and earlier will not work on systems that support the Intel AVX extensions (e.g. Sandybridge). LLVM's code generator will fail when trying to emit AVX instructions. This was fixed in LLVM 2.9.
@@ -46,6 +47,7 @@ It's the fastest software rasterizer for Mesa.
```
      aptitude install llvm-dev
 
```
+
For a RPM-based distribution do:
```
@@ -73,8 +75,6 @@ It's the fastest software rasterizer for Mesa.
 
```

- -

Building

To build everything on Linux invoke scons as: @@ -126,7 +126,7 @@ need to ask, don't even try it. To profile llvmpipe you should pass the options

-  scons build=profile 
+  scons build=profile <same-as-before>

This will ensure that frame pointers are used both in C and JIT functions, and @@ -164,7 +164,7 @@ Building will also create several unit tests in build/linux-???-debug/gallium/drivers/llvmpipe:

- +

lp_test_blend: blending
lp_test_conv: SIMD vector conversion
lp_test_format: pixel unpacking/packing @@ -185,7 +185,7 @@ for posterior analysis, e.g.:
When looking to this code by the first time start in lp_state_fs.c, and then skim through the lp_bld_* functions called in there, and the comments - at the top of the lp_bld_*.c functions. + at the top of the lp_bld_*.c functions.
The driver-independent parts of the LLVM / Gallium code are found in @@ -200,3 +200,6 @@ for posterior analysis, e.g.: for a stand-alone example. See the llvm-c/Core.h file for reference.

+ + + -- cgit v1.2.3