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The (piglit) mipmap_limits test shows the issue very clearly.
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This driver is a fake swdri driver that perform no operations
beside allocation gallium structure and buffer for upper layer
usage.
It's purpose is to help profiling core mesa/gallium without
having pipe driver overhead hidding hot spot of core code.
scons file are likely inadequate i am unfamiliar with this
build system.
To use it simply rename is to swrast_dri.so and properly set
LIBGL_DRIVERS_PATH env variable.
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
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This fixes 8 texwrap format tests.
The code should handle arbitrary formats now and is cleaner.
NOTE: This is a candidate for the 7.9 branch.
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As per the ps_3_0 and vs_3_0 documentation.
The aL register in D3D9 is quite tricky to use, though.
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To match shader model 2.0 (it's impossible to fully implement ARL
with shader model 3.0 relative addressing).
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To match shader model 2.0.
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Fixes piglit/fbo_readpixels since staging upload changes.
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Currently r600_resource_copy_region() will turn these copies into
transfers + memcpys, so to avoid recursion we must not turn those
transfers back into blits.
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Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
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For some reason I though we needed the _DISCARD flag to avoid
readbacks, which isn't true at all. Now write operations should
pipeline properly, gives a good speedup to demos/tunnel.
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Seems to sort-of work for non-mipmapped textures. Better than just
black anyway.
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Don't use an intermediate for formats which don't support hardware
blits under u_blitter.c, as these will recursively attempt to create a
transfer.
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Fixes http://bugs.freedesktop.org/show_bug.cgi?id=31479
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This is a temporary work around to prevent crashes with glean/glsl1
(for example) which try to do vertex shader texturing.
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Commit 8dfafbf0861fe3d2542332658dd5493851053c78 forgot to update r300g.
There is a buf == NULL check, but buf is used before for var init.
Tested-by: Guillermo S. Romero <gsromero@infernal-iceberg.com>
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Trivial change that avoids a segmentation fault when the blitter state
happens to be bound when the context is destroyed.
The free calls should probably removed altogether in the future -- the
responsibility to destroy the state atoms lies with whoever created it,
and the safest thing for the pipe driver is to not touch any bound state
in its destructor.
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Discard fractional bits from linewidth. This matches the nvidia
closed drivers, my reading of the OpenGL SI and current llvmpipe
behaviour.
It looks a lot nicer & avoids ugliness where lines alternate between n
and n+1 pixels in width along their length.
Also fix up r600g to match.
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Should do better than this and actually unbind the buffer, but haven't
yet gotten it to work.
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These were previously being left in the default (D3D) mode. This mean
that triangles were drawn slightly incorrectly, but also because this
state is relied on by the u_blitter code, all blits were half a pixel
off.
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These were being set but not used anywhere.
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Generalize the existing tiled_buffer path in texture transfers for use
in some non-tiled up and downloads.
Use a staging buffer, which the winsys will restrict to GTT memory.
GTT buffers have the major advantage when they are mapped, they are
cachable, which is a very nice property for downloads, usually the CPU
will want to do look at the data it downloaded.
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This opens the question of what interface the winsys layer should
really have for talking about these concepts.
For now I'm using the existing gallium resource usage concept, but
there is no reason not use terms closer to what the hardware
understands - eg. the domains themselves.
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Signed-off-by: Tilman Sauerbeck <tilman@code-monkey.de>
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Signed-off-by: Tilman Sauerbeck <tilman@code-monkey.de>
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Signed-off-by: Tilman Sauerbeck <tilman@code-monkey.de>
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The call to draw_bind_fragment_shader() was using the old fragment
shader. This bug would have really only effected the draw module's
use of the fragment shader in the wide point stage.
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Important as more constant buffers per shader start to get used.
Fix up r600 (tested) and nv50 (untested) to cope with this. Drivers
previously didn't see unbinds of constant buffers often or ever, so
this isn't always dealt with cleanly.
For r600 just return and keep the reference. Will try to do better in
a followup change.
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This doesn't seem like it should be possible, but some test suites
manage to hit this case. Avoid crashing release builds under those
circumstances.
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Don't trim triangle bounding box to scissor/draw-region until after
the logic for emitting tri_16. Don't generate tri_16 commands for
triangles with untrimmed bounding boxes outside the current tile.
This is important as the tri-16 itself can extend past tile bounds and
we don't want to add code to it to check against tile bounds (slow) or
restrict it to locations within a tile (pessimistic).
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