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This reverts commit 53675e5c05c0598b7ea206d5c27dbcae786a2c03.
Conflicts:
src/mesa/drivers/dri/i965/brw_wm_surface_state.c
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(bug #16852, #16853)
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To do this, I had to clean up some of 965 state upload stuff. We may end
up over-emitting state in the aperture overflow case, but that should be rare,
and I'd rather have the simplification of state management.
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Makes state emission into a 2 phase, prepare sets things up and accounts
the size of all referenced buffer objects. The emit stage then actually
does the batchbuffer touching for emitting the objects.
There is an assert in dri_emit_reloc if a reloc occurs for a buffer
that hasn't been accounted yet.
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1. Follow EXT_texture_rectangle with YCbCr texture
2. swap UV component for MESA_FORMAT_YCBCR
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These don't appear to have ever been used.
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Note that this does not enable GL_EXT_stencil_two_side, because Mesa's computed
_TestTwoSide ends up respecting only STENCIL_TEST_TWO_SIDE_EXT (defaults to
GL_FALSE), even if the application uses only GL 2.0 / ATI entrypoints.
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The user-space suballocator that was used avoided relocation computations by
using the general and surface state base registers and allocating those types
of buffers out of pools built on top of single buffer objects. It also
avoided calls into the buffer manager for these small state allocations, since
only one buffer object was being used.
However, the buffer allocation cost appears to be low, and with relocation
caching, computing relocations for buffers is essentially free. Additionally,
implementing the suballocator required a don't-fence-subdata flag to disable
waiting on buffer maps so that writing new data didn't block on rendering using
old data, and careful handling when mapping to update old data (which we need
to do for unavoidable relocations with FBOs). More importantly, when the
suballocator filled, it had no replacement algorithm and just threw out all
of the contents and forced them to be recomputed, which is a significant cost.
This is the first step, which just changes the buffer type, but doesn't yet
improve the hash table to not result in full recompute on overflow. Because
the buffers are all allocated out of the general buffer allocator, we can
no longer use the general/surface state bases to avoid relocations, and they
are set to 0 instead.
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state."
I had forgotten part of brw_state_cache.c that made this fix not relevant for
master (last_addr comparison and flagging based on cache id).
This reverts commit a4642f3d18bdaebaba31e5dee72fe5de9d890ffb.
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Otherwise, choosing a new program wouldn't necessarily update the state, and
and an old program could be executed, leading to various sorts of pretty
pictures or hangs.
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Conflicts:
src/mesa/drivers/dri/i965/brw_sf.h
src/mesa/drivers/dri/i965/intel_context.c
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projtex_mask is only an 8bit field, and wm.input_size_masks includes
other attributes' information, therefore right shift is needed.
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most of the sample working with some small modification
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Mostly:
- update #includes
- update STATE_* token code
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This driver comes from Tungsten Graphics, with a few further modifications by
Intel.
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