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author | Brian Paul <brianp@vmware.com> | 2010-03-15 11:46:41 -0600 |
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committer | Brian Paul <brianp@vmware.com> | 2010-03-15 11:46:41 -0600 |
commit | d0b35352ed27b1e66785c45ee95a352ed06b47ce (patch) | |
tree | 4c2b05cd7cf9e3cae22a1f7ed2735bf9e42fe3ad /src/gallium/drivers/llvmpipe | |
parent | aa3cdb712fb9c9e5a710850fc9c5f9abf9ae6bbe (diff) | |
download | external_mesa3d-d0b35352ed27b1e66785c45ee95a352ed06b47ce.zip external_mesa3d-d0b35352ed27b1e66785c45ee95a352ed06b47ce.tar.gz external_mesa3d-d0b35352ed27b1e66785c45ee95a352ed06b47ce.tar.bz2 |
llvmpipe: updated status in README file
Diffstat (limited to 'src/gallium/drivers/llvmpipe')
-rw-r--r-- | src/gallium/drivers/llvmpipe/README | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/src/gallium/drivers/llvmpipe/README b/src/gallium/drivers/llvmpipe/README index bf4c9a5..3c3fd38 100644 --- a/src/gallium/drivers/llvmpipe/README +++ b/src/gallium/drivers/llvmpipe/README @@ -12,7 +12,11 @@ Done so far is: - depth testing - - texture sampling (not all state/formats are supported) + - texture sampling + - 1D/2D/3D/cube maps supported + - all texture wrap modes supported + - all texture filtering modes supported + - perhaps not all texture formats yet supported - fragment shader TGSI translation - same level of support as the TGSI SSE2 exec machine, with the exception @@ -37,8 +41,6 @@ To do (probably by this order): - code generate stipple and stencil testing - - translate the remaining bits of texture sampling state - - translate TGSI control flow instructions, and all other remaining opcodes - integrate with the draw module for VS code generation @@ -57,7 +59,7 @@ Requirements See /proc/cpuinfo to know what your CPU supports. - - LLVM 2.6. + - LLVM 2.6 (or later) For Linux, on a recent Debian based distribution do: @@ -67,6 +69,9 @@ Requirements http://people.freedesktop.org/~jrfonseca/llvm/ and set the LLVM environment variable to the extracted path. + The version of LLVM from SVN ("2.7svn") from mid-March 2010 seems pretty + stable and has some features not in version 2.6. + - scons (optional) - udis86, http://udis86.sourceforge.net/ (optional): @@ -140,11 +145,13 @@ Development Notes then skim through the lp_bld_* functions called in there, and the comments at the top of the lp_bld_*.c functions. -- All lp_bld_*.[ch] are isolated from the rest of the driver, and could/may be - put in a stand-alone Gallium state -> LLVM IR translation module. +- The driver-independent parts of the LLVM / Gallium code are found in + src/gallium/auxiliary/gallivm/. The filenames and function prefixes + need to be renamed from "lp_bld_" to something else though. - We use LLVM-C bindings for now. They are not documented, but follow the C++ interfaces very closely, and appear to be complete enough for code generation. See http://npcontemplation.blogspot.com/2008/06/secret-of-llvm-c-bindings.html for a stand-alone example. + See the llvm-c/Core.h file for reference. |