Zack -- Impressive!
Only one comment on patch #5 -- this is probably a util function rather than
something for include/pipe. In particular we already have util/u_prim.h which
has some similar functions in it -- I'd put this function there if possible...
Keith
________________________________________
From: Zack Rusin [za...@vmware.com]
Sent: Thursday, December 24, 2009 5:24 AM
To: mesa3d-dev
Cc: Keith Whitwell; Michal Krol
Subject: geometry shading patches
yo,
after our discussions i hacked a new version of geometry shading support in
gallium. the new geometry shading syntax looks as follows:
GEOM
PROPERTY GS_INPUT_PRIMITIVE TRIANGLES
PROPERTY GS_OUTPUT_PRIMITIVE TRIANGLE_STRIP
DCL IN[][0], POSITION, CONSTANT
DCL IN[][1], COLOR, CONSTANT
DCL OUT[0], POSITION, CONSTANT
DCL OUT[1], COLOR, CONSTANT
0:MOV OUT[0], IN[0][0]
1:MOV OUT[1], IN[0][1]
2:EMIT
3:MOV OUT[0], IN[1][0]
4:MOV OUT[1], IN[1][1]
5:EMIT
6:MOV OUT[0], IN[2][0]
7:MOV OUT[1], IN[2][1]
8:EMIT
9:ENDPRIM
10:END
the attached patch series adds support for all of it throughout gallium
(including support for 2dimensional arrays in tgsi_sanity checking, tgsi_dump
and tgsi_text).
Right now don't support switching of primitives in the draw module (e.g. input
primitive being points and output primitive being a triangle_strip) but i'd
like to do that after committing the attached changes (also the semantic for
vertices which is a leftover from an old patch should be removed then if it's
ok with you).
Keith, most relevant patches for you are 0001 and 0005.
Michal the most relevant to you are 0007, 0010, 0011 and 0012.
z
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