[2/3] wined3d: Constant load optimisations

[Dan Kegel]

Hi Norbert,
patch 2/3 has a couple failures here:
http://buildbot.kegel.com/builders/runtests/builds/104
../../../tools/runtest -q -P wine -M d3d9.dll -T ../../.. -p
d3d9_test.exe.so visual.c && touch visual.ok
...
visual.c:4991: Test failed: quad 1 has color 00000000, expected 0x00bfbf80
visual.c:4998: Test failed: quad 3 has color 00000000, expected 0x00bfbf80
visual.c:5143: Test failed: quad 4 has color 00000000, expected 0x00bfbf80

patch 3/3 has lots of failures here:
http://buildbot.kegel.com/builders/runtests/builds/105
../../../tools/runtest -q -P wine -M d3d8.dll -T ../../.. -p
d3d8_test.exe.so visual.c && touch visual.ok
fixme:win:EnumDisplayDevicesW ((null),0,0x32f5ac,0x00000000), stub!
fixme:d3d_draw:drawPrimitive Using software emulation because manual
fog coordinates are provided
visual.c:739: Test failed: RCP test returned color 0x00ffffff,
expected 0x00808080.
visual.c:769: Test failed: RSQ test returned color 0x00ffffff,
expected 0x00b4b4b4.
...
visual.c:4991: Test failed: quad 1 has color 00000000, expected 0x00bfbf80
visual.c:4998: Test failed: quad 3 has color 00000000, expected 0x00bfbf80
visual.c:5143: Test failed: quad 4 has color 00000000, expected 0x00bfbf80
...

Here's my system description:
os:     Ubuntu 11.04, 2.6.38-10-generic-pae, pulseaudio
0.9.22-24-g67d18, Advanced Linux Sound Architecture Driver Version
1.0.23.
ram:    4020 MB
cpu:    Intel(R) Core(TM)2 Quad CPU Q9300 @ 2.50GHz
gpu:    GeForce 8500 GT/PCI/SSE2 3.3.0 NVIDIA 270.41.06