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Main driver impacts:
- new code for creating the Mesa GLframebuffer
- new span/pixel read/write code
Some drivers not yet updated/tested.
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a marginal speedup, but I'm not sure this has the same effect on all
hardware. Tested on Savage IX and ProSavageDDR. For experimenting with
different values see the macros at the start of savagestate.c.
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S3TC support for an older driver version. On Savage3D/IX/MX
GL_EXT_texture_compression_s3tc can't be enabled because DXT3 and DXT5
are not supported. However GL_S3_s3tc is enabled on all Savage chips.
Tested on a Savage IX and a ProSavageDDR
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channels are masked (disable draw update). Bumped driver date to
reflect recent correctness fixes. The driver now passes all glean
tests except exactRGBA on both Savage4 and Savage3D-based cards.
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- force emitting texAddr when the texture image changed (flush caches)
- set transparent texture color key to something improbable
(couldn't find a way to disable it completely)
- fixed texture environment modes GL_DECAL and GL_REPLACE
- made texture environment mode GL_BLEND a software fallback
- added two custom texture formats for promoting from GL_ALPHA to ARGB8888
and 4444. Since the hardware can't be made to ignore the RGB color
components, set them to 1 instead of 0. This gives the correct results
- disabled GL_EXT_texture_env_add on Savage3D/MX/IX
- map both GL_CLAMP and GL_CLAMP_TO_EDGE to hardware mode "wrap". It doesn't
match either mode exactly by the spec, so we should either fall back on both
or none. I chose the latter.
- fall back to software when s and t wrapping modes differ (hardware has only
one bit for both)
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compile-time-warnings on x86-64. Not tested on x86-64 yet, but a good
thing in general, so I'm giving up waiting for feedback. See also
https://bugs.freedesktop.org/show_bug.cgi?id=2924.
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the use of hardware texture format I8 as it produces garbage at least on
ProSavageDDR.
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set. Otherwise the 3D engine may still be using a texture that is
being overwritten. In order to minimize the cost of waiting, timestamp
textures only when needed: when a texture image changes, when a
different texture is bound to a texture unit or when a texture unit is
disabled. (Used to be after flushing every command buffer.)
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not part of the DDX->DRI interface and should never have been in this
file in the first place.
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kept around for reference. Now that command DMA is implemented in the
DRM module they are no longer needed.
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- Flush before using a new texture or before disabling a texture unit,
because savageFlushCmdBuf can only update the timestamp of the last
used texture. This fixes corruption in quake2 with single-textured
lighting.
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if it didn't change. This seems to flush texture cashes. Fixes
multi-textured lighting in quake2.
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ahead of the CPU for more parallelism of CPU and GPU. Unfortunately
there seems to be some broken hardware (like my ProSavageDDR) on which
status register updates are delayed sometimes. This leads to very
jerky animation if the hardware can buffer more than the current
frame. A new option "sync_frames" can be used as a remedy on such
broken hardware.
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new DRM version 2.4 and command DMA.
- Flush less.
- Bumped the driver date.
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changed. Other drivers don't need to do this because they're swapping
modified textures out of texture memory, which implies a timestamp
update.
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heap aging, similar to the way it's done in the i810 and i855 drivers.
This avoids idling the engine on every texture upload.
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Add missing per-primitive fallback for polygon stipple.
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Another small tweak to subtile upload (mostly cosmetic).
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vertically incomplete tiles, but only if the color depth is
32bpp. Nobody said this was supposed to be logical!
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- Flush buffered primitives before changing scissors.
- Require Savage DRM version 2.1.0, so that the broken single-cliprect
code can finally rest in peace.
- Removed some more dead code.
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will be used. Implemented this option in the Savage driver. On my
ProSavageDDR uploads to AGP memory are about 1.5 times as fast as
uploads to card memory. On non-IGP hardware the difference may be even
bigger. Now mplayer -gl is getting really usable.
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about a factor 1.3.
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* When glTexSubImageND is used, track the set of changed tiles in a
bit vector and upload only dirty tiles later. This should improve
the performance of dynamic light maps and gl movie player plugins.
* Renamed debug item "lru" to "tex". Indicate which levels are
uploaded completely or partially.
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buffered visuals. Also don't change span draw/read buffers in
savageDDDrawBuffer. Now glean's polygon offset test works (and PASSes
with fixed point depth buffer) with single buffered visuals without
winding up in an infinite loop.
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range used by the savage driver by negating ctx->MRD broke polygon
offsets with software fallbacks. This one adds a REVERSE_DEPTH parameter
to t_dd_tritmp.h (defaults to 0) that allows reversing polygon offsets
for hardware rendering but not for software fallbacks. For software
fallbacks depth values are reversed after polygon offsets have been
applied by the depth span functions.
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* Remove some unused (mostly empty) functions
* Added context parameter to WAIT_IDLE_EMPTY[_LOCKED] for consistency
* Added debug messages to WAIT_IDLE_EMPTY[_LOCKED]
* Don't flush empty command buffers
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* Fixed disabling of the render stage
* Added debug output for per-primitive fallbacks
* Bumped driver date
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Savage DRM version 2.2.0. Otherwise the render stage is disabled.
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vertex buffer. ELTS are not supported yet (missing functionality in
the DRM). You need at least Savage DRM version 2.1.3, which fixes a
bug that screwed up triangle fans and strips.
Moved the texture normalization stage to savagerender.c.
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the DRM would reclaim DMA buffers, but if one process creates and
destroys many contexts it can still run out of DMA buffers.
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to support PCI Savages on the Mesa side. Bumped driver date.
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stars in glplanet.
* Refactored vertex format choosing code. Improved the Savage4 version
to choose a format suitable for DMA (size = 32bytes) whenever
possible.
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Fixed: Use savageEmitChangedRegs instead of savageEmitContiguousRegs for
emitting Savage4.
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functions if ANY_RASTER_FLAGS|ANY_FALLBACK_FLAGS were set.
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