diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/README')
| -rw-r--r-- | src/gallium/drivers/llvmpipe/README | 65 |
1 files changed, 34 insertions, 31 deletions
diff --git a/src/gallium/drivers/llvmpipe/README b/src/gallium/drivers/llvmpipe/README index 89d08834a3..72d9f39658 100644 --- a/src/gallium/drivers/llvmpipe/README +++ b/src/gallium/drivers/llvmpipe/README @@ -51,47 +51,42 @@ Requirements - Linux - - udis86, http://udis86.sourceforge.net/ . Use my repository, which decodes - opcodes not yet supported by upstream. + - A x86 or amd64 processor. 64bit mode is preferred. - git clone git://people.freedesktop.org/~jrfonseca/udis86 - cd udis86 - ./configure --with-pic - make - sudo make install + Support for sse2 is strongly encouraged. Support for ssse3, and sse4.1 will + yield the most efficient code. The less features the CPU has the more + likely is that you ran into underperforming, buggy, or incomplete code. + + See /proc/cpuinfo to know what your CPU supports. + + - LLVM 2.6. - - LLVM 2.5. On Debian based distributions do: + For Linux, on a recent Debian based distribution do: aptitude install llvm-dev - There is a typo in one of the llvm-dev 2.5 headers, that causes compilation - errors in the debug build: - - --- /usr/include/llvm-c/Core.h.orig 2009-08-10 15:38:54.000000000 +0100 - +++ /usr/include/llvm-c/Core.h 2009-08-10 15:38:25.000000000 +0100 - @@ -831,7 +831,7 @@ - template<typename T> - inline T **unwrap(LLVMValueRef *Vals, unsigned Length) { - #if DEBUG - - for (LLVMValueRef *I = Vals, E = Vals + Length; I != E; ++I) - + for (LLVMValueRef *I = Vals, *E = Vals + Length; I != E; ++I) - cast<T>(*I); - #endif - return reinterpret_cast<T**>(Vals); + For Windows download pre-built MSVC 9.0 or MinGW binaries from + http://people.freedesktop.org/~jrfonseca/llvm/ and set the LLVM environment + variable to the extracted path. + + - scons (optional) + + - udis86, http://udis86.sourceforge.net/ (optional): - - A x86 or amd64 processor with support for sse2, sse3, and sse4.1 SIMD - instructions. This is necessary because we emit several SSE intrinsics for - convenience. See /proc/cpuinfo to know what your CPU supports. + git clone git://udis86.git.sourceforge.net/gitroot/udis86/udis86 + cd udis86 + ./autogen.sh + ./configure --with-pic + make + sudo make install - - scons - Building ======== -To build everything invoke scons as: +To build everything on Linux invoke scons as: - scons debug=yes statetrackers=mesa drivers=llvmpipe winsys=xlib dri=false -k + scons debug=yes statetrackers=mesa drivers=trace,llvmpipe winsys=xlib dri=false Alternatively, you can build it with GNU make, if you prefer, by invoking it as @@ -99,12 +94,15 @@ Alternatively, you can build it with GNU make, if you prefer, by invoking it as but the rest of these instructions assume that scons is used. +For windows is everything the except except the winsys: + + scons debug=yes statetrackers=mesa drivers=trace,llvmpipe winsys=gdi dri=false Using ===== -Building will create a drop-in alternative for libGL.so. To use it set the -environment variables: +On Linux, building will create a drop-in alternative for libGL.so. To use it +set the environment variables: export LD_LIBRARY_PATH=$PWD/build/linux-x86_64-debug/lib:$LD_LIBRARY_PATH @@ -115,6 +113,11 @@ or For performance evaluation pass debug=no to scons, and use the corresponding lib directory without the "-debug" suffix. +On Windows, building will create a drop-in alternative for opengl32.dll. To use +it put it in the same directory as the application. It can also be used by +replacing the native ICD driver, but it's quite an advanced usage, so if you +need to ask, don't even try it. + Unit testing ============ |