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Author SHA1 Message Date
Pavel Krajcevski
bacf327246 Fix MSVC compiler errors with the atomics 2013-03-06 19:57:20 -05:00
Pavel Krajcevski
342614a6ec Fix the horribly wrong check for atomic support with MSVC 2013-03-06 19:56:38 -05:00
Pavel Krajcevski
2127c04987 Add flag to compression settings to use atomics. 2013-03-06 19:01:31 -05:00
Pavel Krajcevski
c475ee1dec Use standard library min/max 2013-03-06 19:01:19 -05:00
Pavel Krajcevski
53fe825e49 Add first pass of atomic implementation. 
This is a first pass of what I believe to be a not too terrible
implementation of a cooperative thread-based compressor. The idea is
simple... If a compressor is invoked with the same parameters on multiple
threads, then the threads cooperate via an atomic counter to compress the
texture. Each thread can take as long as possible until the texture is finished.

If a caller calls a compression routine that has different parameters, then
it will help the current compression finish before starting on its own compression. In this
way, we can split the textures up among the threads and guarantee that we maximize the
resource usage between them. I.e. this becomes more efficient:

Thread 1:    Thread 2:   Thread N:
  tex0         texN        tex(N-1)N
  tex1         texN+1      tex(N-1)(N+1)
  ..           ..          ..
  texN-1       tex2N       tex(N-1)N

I have not tested this for bugs, so I'm still not completely convinced that it is deadlock-free
although it should be...
 2013-03-06 18:47:15 -05:00
Pavel Krajcevski
4d6e75ab97 Fix whitespace issues 
Why do I do this so much?
 2013-03-06 18:27:34 -05:00
Pavel Krajcevski
8ebdc30394 Add Yield function to global namespace 
In order to develop a threadsafe texture compression function, we will need
to preempt threads in order to not kill performance while we initialzie everything...
 2013-03-06 17:29:22 -05:00
Pavel Krajcevski
2deb71eec9 Generalize the ALIGN macro 2013-03-06 17:23:17 -05:00
Pavel Krajcevski
ca85a663a1 Add detection for atomics 
Atomic operations are both supported by the platform and the compiler. If we want
to provide a threadsafe implementation of our compression function, we need to make sure
that the proper settings are available.
 2013-03-06 17:16:36 -05:00
Pavel Krajcevski
771b91b795 Fix a bunch of memory leaks. 2013-02-07 17:01:38 -05:00
Pavel Krajcevski
aebeb38ad0 Reformat usage string. 2013-02-07 17:01:21 -05:00
Pavel Krajcevski
8cad373e8e Small refactoring changes. 2013-02-05 21:54:06 -05:00
Pavel Krajcevski
8ca5d7ac44 Add interface between buffers and parallel stages. 2013-01-30 23:37:18 -05:00
Pavel Krajcevski
5e970c3122 Make compiler happy. 2013-01-30 22:53:35 -05:00
Pavel Krajcevski
f704fc55af Flesh out the first few functions for our parallel stages. 2013-01-30 22:43:19 -05:00
Pavel Krajcevski
ea16d1af44 Add beginnings of our scaffolding for parallel compression. 2013-01-30 22:43:18 -05:00
Pavel Krajcevski
af25b83356 Fix some more compiler warnings. 2013-01-29 17:37:20 -05:00
Pavel Krajcevski
0afff4188e Fix warnings on Windows and support the treat warnings as errors option. 2013-01-29 13:39:45 -05:00
Pavel Krajcevski
fa5d5e865c Fix some more compiler warnings. This time some were actually very useful\! 2013-01-28 20:20:52 -05:00
Pavel Krajcevski
ff1c3658fb Always set all of the compiler warnings on and make sure to include the MSFT extensions if we're on gcc. Furthermore, include an option to treat warnings as errors. I will probably always have this on, but other people who decide to use the library probably won't want it... 2013-01-28 18:11:29 -05:00
Pavel Krajcevski
42e4e8d4aa Amalgamate the different architecture problems with printf... 2013-01-28 17:49:57 -05:00
Pavel Krajcevski
8c666bcd3f Fix more compiler warnings 2013-01-28 17:37:43 -05:00
Pavel Krajcevski
c7a2e24b07 Fix some more compiler errors 2013-01-28 17:16:36 -05:00
Pavel Krajcevski
08c919d965 Fix some linker errors... 2013-01-28 17:04:58 -05:00
Pavel Krajcevski
1b30efe488 Got rid of some more compiler warnings. 2013-01-28 16:57:15 -05:00
Pavel Krajcevski
08df6f6d65 Fix more compiler warnings. 2013-01-28 16:42:11 -05:00
Pavel Krajcevski
aaf16eacc8 Remove SIMD path at the moment. It needs to be reworked. 2013-01-28 16:37:20 -05:00
Pavel Krajcevski
5dd1fbbd48 Fix a lot of compiler warnings. 2013-01-28 16:30:04 -05:00
Pavel Krajcevski
28a55cc268 Remove pedantic flag because some things are just obnoxious (like no anonymous structs in unions. 2013-01-28 16:29:52 -05:00
Pavel Krajcevski
3cd699ab58 Add compiler flags to GCC or G++ to treat warnings as errors. 2013-01-28 11:54:47 -05:00
Pavel Krajcevski
f03d381092 Fix indentation in unix command-line tool and also make sure to not use strcat for our logfile since it messes up the compressed image output. 2013-01-28 11:51:36 -05:00
Pavel Krajcevski
cdbf72b6c0 Merge MSVC support into master. 2013-01-28 11:49:03 -05:00
Pavel Krajcevski
deac1e7fad Fix some compiler errors... 2013-01-28 11:44:14 -05:00
Pavel Krajcevski
45e926536a Move Thread.h out of the include directory, and update the BlockStatManager to compensate. 2013-01-27 14:36:19 -05:00
Pavel Krajcevski
40a0947649 Fix small bug where we enter an infinite loop after we finish reading a file. 2013-01-27 14:02:39 -05:00
Pavel Krajcevski
7049dc3077 Update windows module to contain all necessary libs... 2013-01-27 13:35:10 -05:00
Pavel Krajcevski
61a8d4e2c7 Add submodule to keep track of windows include files and libraries 2013-01-27 12:14:55 -05:00
Pavel Krajcevski
f4629fa35a Add boost libraries for windows. 2013-01-27 11:49:06 -05:00
Pavel Krajcevski
6d85bc9467 Determine what architecture the compiler is for msvc by how large our void pointers are. 2013-01-27 11:49:05 -05:00
Pavel Krajcevski
f1e502c8f5 Remove hack for adding a libpath flag in visual studio by requiring extra libraries from boost. 2013-01-27 11:49:05 -05:00
Pavel Krajcevski
37d8cc797c Add in a small hack to add the boost library directory to the linker command line in order to be able to compile. 2013-01-26 14:57:33 -05:00
Pavel Krajcevski
42c350878e Fix property variable. 2013-01-26 14:11:37 -05:00
Pavel Krajcevski
5eba3ba6f7 Add license 2012-11-15 11:51:55 -05:00
Pavel Krajcevski
cb126c40ce Add the correct hooks to compile as a win32 console app. 2012-11-07 18:22:12 -05:00
Pavel Krajcevski
8761821220 More compiler fixes. 2012-11-07 18:01:02 -05:00
Pavel Krajcevski
680625d03e Fix a bunch of compiler warnings. 2012-11-07 17:10:26 -05:00
Pavel Krajcevski
05e6ca0bc9 Fix windows issues with blockstats... 2012-11-07 16:52:06 -05:00
Pavel Krajcevski
562d9e905d Make sure to return a value for the = operator... 2012-11-07 16:51:44 -05:00
Pavel Krajcevski
113749c82f Make the windows based filestream actually use the MSDN file IO functions 2012-11-07 16:38:34 -05:00
Pavel Krajcevski
96f223c509 Split filestream implementation into unix and windows versions. 2012-11-07 15:26:33 -05:00