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This makes the code faster due to the lack of indirect calls and also
makes it much easier to understand what is actually going on.
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Rather than emitting relocations on flush notifications, emit them
in nvfx_state_start.
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The bulk files cannot be unified, but the frontend can and allows to
share some code and simplify state_emit.c
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Move the remaining content to the common header.
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vertprog.c is similar but has substantial differences:
1. nv40 supports clip planes
2. nv40 uses a more advanced register allocator
3. Some register setup is different
4. Constants with the same name have different values
This patch unifies the two files.
nv30 gains clip plane support and the nv40 register allocator.
A new NVFX_VP(x) macro is introduced that at runtime resolved to
either the nv30 or the nv40 constant value.
nv30 clip planes are not tested and might not work
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The files are identical, except for swtnl support which is commented
out on nv30 and restart being initialized on nv30 to avoid a compiler
warning.
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nv30_draw.c is a stub.
This patch makes both nv30 and nv40 use the nv40 swtnl path.
Note that this doesn't actually work on nv30 because the vertex program is
encoded in the nv40-only layout.
However, swtnl was unimplemented before on nv30, so this is not a regression.
Furthermore, a patch to fix this is available near the end of the patchset.
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The files are mostly the same except:
1. On NV40, some TGSI instructions are emulated with several hardware ones
2. Some instructions such as DDX/DDY, and STR were missing from nv30
3. NV40 has more sophisticated register management
nv30 now supports all instructions and uses the nv40 register management.
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The files are significantly different due to:
1. nv30 support 2 render targets, nv40 4
2. z-buffer pitch is set differently
3. nv30 has a limitation of colour_bits >= zeta_bits. This may not
actually exist in the driver though
4. nv30 points color0 at depth in the depth-only case
5. nv30 sets NV34TCL_VIEWPORT_TX_ORIGIN to 0. This is probably
unnecessary
This patch attempts to unify the two files and preserve the existing
behavior.
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The files are identical, except for an extra comment in nv30.
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The files are identical, except for the fact that the nv40 version
forgets to unreference the stateobj.
Unified to the correct nv30 version.
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The files are the same except for swtnl support on nv40 and for
texture cache flushing on nv40.
Unify them, and use a macro to define 4 versions of render_states,
for all combinations of nvfx and hwtnl/swtnl.
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