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the current code reuses the same vbo over and over, however after a flush
we'd stall and wait for mapping on the vbo when we should just fire and forget.
On a gears test this brings me from ~620 to ~750 on my rv530 in swtcl mode.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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z_fastfill -> dirty_zmask[level].
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It sometimes works, sometimes not. I guess we have the zmask offsets wrong.
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This implements fast Z clear, Z compression, and HiZ support for r300->r500
GPUs.
It also allows cbzb clears when fast Z clears are being used for the ZB.
It requires a kernel with hyper-z support.
Thanks to Marek Olšák <maraeo@gmail.com>, who started this off, and Alex Deucher at AMD for providing lots of hints.
v2:
squashed zmask ram size fix]
squashed r300g/blitter: fix Z readback when compressed]
v3:
rebase around texture changes in master - .1 fix more bits
v4:
migrated to using u_mm in r300_texture to manage hiz/zmask rams consistently
disabled HiZ when using OQ
flush z-cache before turning hyper-z off
update hyper-z state on dsa state change
store depthclearvalue across cbzb clears and replace it afterwards.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Some drivers define a generic function that is called by all drawing
functions. To implement draw_vbo for such drivers, either draw_vbo
calls the generic function or the prototype of the generic function is
changed to match draw_vbo.
Other drivers have no such generic function. draw_vbo is implemented by
calling either draw_arrays and draw_elements.
For most drivers, set_index_buffer does not mark the state dirty for
tracking. Instead, the index buffer state is emitted whenever draw_vbo
is called, just like the case with draw_elements. It surely can be
improved.
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This decouples initializing a texture layout/miptree description
from an actual texture creation, it also partially unifies texture_create
and texture_from_handle.
r300_texture inherits r300_texture_desc, which inherits u_resource.
The CBZB clear criteria are moved to r300_texture_desc::cbzb_allowed[level].
And other minor cleanups.
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The driver gets a buffer and its size in resource_from_handle.
It computes the required minimum buffer size from given texture
properties, and compares the two sizes.
This is to early detect DDX bugs.
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The improvement in Tremulous: 68.9 fps -> 71.1 fps.
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An initial implementation made by Dave Airlie.
For it to be used, a color-only clear must be invoked and exactly one
point-sampled render target must be set. The render target must be
macrotiled (for us to overcome alignment issues) and bpp must be either
16 or 32.
I can't see a difference in performance. :(
Conflicts:
src/gallium/drivers/r300/r300_blit.c
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This flush happens when changing the tiling flags, and it should really be
done in the context.
I hope this fixes FDO bug #28630.
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Now the question is whether we are allowed to ignore gl_rasterization_rules and
pipe_rasterizer_state::multisample. The former is invariant anyway and
I think the latter would need re-emitting the AA state which is quite costly,
considering that it implicitly flushes the whole pipeline (all AA regs
in the AA state are *unpipelined*).
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Unlike other invariant states, this one must be emitted after VAP flush.
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This should fix corrupted texturing on r3xx-r4xx.
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The real difference here is that ZTOP is now enabled if all stencil ops
are set to KEEP. This improves performance.
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The previous implementation had issues with queries spanning over several
command streams as well as using a very large number of queries.
This fixes flickering in Enemy Territory: Quake Wars. The driver now renders
everything correctly in this game and the graphics is awesome.
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There is a problem though, the translate module cannot emit half float
vertices.
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The next step is to replace skipping by an actual fallback.
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It's now more separate from the rest of the driver and it can be disabled
by commenting out just 1 line. Well, I couldn't make the previous version
work with SW TCL reliably, that's the reason of this little rework.
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