i965/fs: Fix bad whitespace.
i965/fs: don't read from uninitialized memory while assigning registers

Reviewed-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Connor Abbott <connor.abbott@intel.com>
i965/fs: set virtual_grf_count in assign_regs()

This lets us call dump_instructions() after register allocation without
failing an assertion.

Reviewed-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Connor Abbott <connor.abbott@intel.com>
tgsi/ureg: add ureg_UARL shortcut
mesa,gallium: API settings / rasterization rules
gallium,drivers: use API settings / rasterization rules

v2: compilation fixes by David Heidelberger <david.heidelberger@ixit.cz>
v3: compilation fix by Thermionix <bond711@gmail.com>
nv50,nvc0: handle TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION
nv50,nvc0: handle NULL vertex elements without fallback
nv50/ir/tgsi: implement TGSI_OPCODE_NRM,DP2A

Used by d3d9 st.
nv50: don't emit buffer for skipped vertex elements

Grr, should forbid that and insert dummy elements in nine.
nvc0: avoid fault in get_query_result if there was no begin_query
gallium,drivers: add PIPE_CAP_DEVICE_MEMORY_SIZE

Signed-off-by: David Heidelberger <david.heidelberger@ixit.cz>
winsys/sw/wrapper: hook up is_displaytarget_format_supported

Looks like no one's using this thing.
gallium/draw: support hack to disable clipping
nv50: support for hackish viewport bypass
nv50,nvc0: d3d9 requires transfer stride to be aligned to 4
gallium: add blending to pipe blit
nvc0: use blending to pipe blit
mesa/st: initialize blit.alpha_blend
nvc0: NULL vertex buffers are allowed