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Do not move an instruction that writes to a temp forward past an instruction
that reads the same temporary.
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Dumps of fragment programs were incorrect when the program consisted of multiple
nodes.
Also, improved the formatting a bit.
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There were a number of bugs related to the pairing of vector and scalar
operations where swizzles ended up using the wrong source register,
or an instruction was moved forward and ended up overwriting an aliased
register.
The new algorithm for register allocation is quite conservative and may
run out of registers before necessary. On the plus side, It Just Works.
Pairing is done whenever possible, and in more cases than before, so
in practice this change should be a net win.
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Note that insert_wpos in r300_vertexprog.c is still a little flaky and could be
improved.
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corrections.
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enough information is known about them to be sure as to what the values mean.
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Note that just like the values written to R300_RB3D_DSTCACHE_CTLSTAT these
values are really unknown; ideally more reverse engineering should be done to
determine what these values mean and when they should be set.
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R300_RB3D_DSTCACHE_02 or R300_RB3D_DSTCACHE_0A, rather than hexadecimal values.
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(Oliver McFadden)
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ialization code.
Note that there are still plenty of actual unknown variables left that should
probably be deciphered.
There are a number of things incomplete in the driver; the different polygon
offset modes (line, point, etc), the other texture filter, texture chroma key,
etc. These should probably be fixed in the future, or at least added to the TODO
list.
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And set new cliprects before deriving other state from them. This ensures
cliprects aren't accessed after having been freed.
Thanks to Panagiotis Papadakos for testing various iterations of this.
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Based on a patch by Panagiotis Papadakos.
Among other things, this makes sure the framebuffer object associated with the
drawable has the correct size when _mesa_make_current is called, so the default
viewport is set up correctly.
Also update radeon->lastStamp in radeonSetCliprects.
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This need more work on case where we can disable
or enable early (stencil, alpha might need it to
be disable).
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So this do :
- Fixes COS.
- Does range reductions for SIN & COS.
- Adds SCS.
- removes the optimized version of SIN & COS.
- tweaked weight (should help on precision).
- fixed a copy paste typo in emit_arith().
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Getting proper SIN and COS wasn't as easy as it appeared.
I had to make make some changes to the fragment program code.
general FP changes:
- support HHH swizzle for vector instructions.
- don't copy a source to a temp when it is not XYZW swizzled, but
combine the two and have the swizzle resolve any issues.
(saves temps/instructions with more elaborate shader code)
- fix overflow in cnstv[].
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Redirect all VERT_RESULT_HPOS writes to a temp and use that for fixup.
The viewport transformation still seems to take some shortcuts, and it
still does not seem to work at all...
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Aborting immediately is a bad idea with AIGLX.
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Conflicts:
src/mesa/main/texcompress_s3tc.c
src/mesa/tnl/t_array_api.c
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into vbo-0.2
Conflicts:
src/mesa/array_cache/sources
src/mesa/drivers/dri/i965/brw_context.c
src/mesa/drivers/dri/i965/brw_draw.c
src/mesa/drivers/dri/i965/brw_fallback.c
src/mesa/drivers/dri/i965/brw_vs_emit.c
src/mesa/drivers/dri/i965/brw_vs_tnl.c
src/mesa/drivers/dri/mach64/mach64_context.c
src/mesa/main/extensions.c
src/mesa/main/getstring.c
src/mesa/tnl/sources
src/mesa/tnl/t_save_api.c
src/mesa/tnl/t_save_playback.c
src/mesa/tnl/t_vtx_api.c
src/mesa/tnl/t_vtx_exec.c
src/mesa/vbo/vbo_attrib.h
src/mesa/vbo/vbo_exec_api.c
src/mesa/vbo/vbo_save_api.c
src/mesa/vbo/vbo_save_draw.c
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When we have a position invariant program we need to force routing the
position otherwise you may handle transform quite random data which might
be funny but unlikely what you want :).
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Thx for Tilman who spoted the bugs.
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This file was deleted longtime ago, guess that git migration
created it again.
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It seems that bitfield structure lead to some strange
problem on 64bits arch, don't want to waste time debugging
strange things like that so converted pfs_reg_t structure
to a GLuint and use good old masking and shifting spell.
(cherry picked from 2a7de9d095d8e60da12b11aaa1efe664b87b11d3 commit)
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World position is calculated in the vertex shader and passed to the
fragment shader via an unused texcoord.
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Makes the vertex program output from the fragment input.
It makes the driver capable of catching output-input mismatches safely. Primarily
based on some of Aapo Tahkola's code.
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There is a bug somewhere in fragment program.
tri-cos and tri-sin show the bug. Also we
should not emit multiple time the same constant.
for sin,cos,lit have to fix that.
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