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1bd89db921
Now it is more similar to brw_fs_copy_propagation, with three
clear stages:
1) Build up the value we are propagating as if it were the source of a
single MOV:
2) Check that we can propagate that value
3) Build the final value
Previously everything was somewhat messed up, making the
implementation on some specific cases, like knowing if you can
propagate from a previous instruction even with type mismatches, even
messier (for example, with the need of maintaining more of one
has_source_modifiers). The refactoring clears stuff, and gives
support to this mentioned use case without doing anything extra
(for example, only one has_source_modifiers is used).
Shader-db results for vec4 programs on Haswell:
total instructions in shared programs: 1683842 -> 1669037 (-0.88%)
instructions in affected programs: 739837 -> 725032 (-2.00%)
helped: 6237
HURT: 0
v2: using 'arg' index to get the from inst was wrong
v3: rebased against last change on the previous patch of the series
v4: don't need to track instructions on struct copy_entry, as we
only set the source on a direct copy
v5: change the approach for a refactoring
v6: tweaked comments
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
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| docs | ||
| doxygen | ||
| include | ||
| m4 | ||
| scons | ||
| src | ||
| .dir-locals.el | ||
| .gitattributes | ||
| .gitignore | ||
| Android.common.mk | ||
| Android.mk | ||
| autogen.sh | ||
| CleanSpec.mk | ||
| common.py | ||
| configure.ac | ||
| install-gallium-links.mk | ||
| install-lib-links.mk | ||
| Makefile.am | ||
| SConstruct | ||
| VERSION | ||
File: docs/README.WIN32 Last updated: 21 June 2013 Quick Start ----- ----- Windows drivers are build with SCons. Makefiles or Visual Studio projects are no longer shipped or supported. Run scons libgl-gdi to build gallium based GDI driver. This will work both with MSVS or Mingw. Windows Drivers ------- ------- At this time, only the gallium GDI driver is known to work. Source code also exists in the tree for other drivers in src/mesa/drivers/windows, but the status of this code is unknown. Recipe ------ Building on windows requires several open-source packages. These are steps that work as of this writing. - install python 2.7 - install scons (latest) - install mingw, flex, and bison - install pywin32 from here: http://www.lfd.uci.edu/~gohlke/pythonlibs get pywin32-218.4.win-amd64-py2.7.exe - install git - download mesa from git see http://www.mesa3d.org/repository.html - run scons General ------- After building, you can copy the above DLL files to a place in your PATH such as $SystemRoot/SYSTEM32. If you don't like putting things in a system directory, place them in the same directory as the executable(s). Be careful about accidentially overwriting files of the same name in the SYSTEM32 directory. The DLL files are built so that the external entry points use the stdcall calling convention. Static LIB files are not built. The LIB files that are built with are the linker import files associated with the DLL files. The si-glu sources are used to build the GLU libs. This was done mainly to get the better tessellator code. If you have a Windows-related build problem or question, please post to the mesa-dev or mesa-users list.