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12 Commits (d7756397d695e5573647258f8412e9ecfb2645d4)

Author SHA1 Message Date
Felix Kuehling a396617dbc Command DMA optimizations: 
- don't waste DMA memory when small command buffers are flushed
- minimized padding with noops
- slightly simplified faked DMA flushing
 2005-03-13 02:16:10 +00:00
Felix Kuehling 95fa851769 Tracked down random lockups related to command DMA that occurred in Quake3 
after ~5min: buffer aging was subtly broken. Part of this may have also
    affected vertex DMA buffer aging and client-side texture heap aging,
    though with less fatal consequences. Bumped minor version and driver
    date.
 2005-03-07 12:19:49 +00:00
Felix Kuehling 15995234b4 Added support for command DMA on Savage4-based hardware. Unfortunately 
command and vertex DMA don't work at the same time. Command DMA
    performance is superior and works with all vertex formats. Bumped minor
    version and driver date.
 2005-03-06 01:41:06 +00:00
Felix Kuehling bc54ede0a8 Use wrap counter to extend 16-bit hardware event tags to 32-bit logical 
event counters in the SAVAGE_EVENT_EMIT/WAIT ioctls. This is needed for
    reliable client-side texture heap aging. Slightly simplified DMA buffer
    aging while at it. Bumped minor version and driver date.
 2005-02-23 16:34:30 +00:00
Felix Kuehling 858e68fbdc Corrected some confusion of vb_stride and vtx_size 
Implemented SAVAGE_CMD_DMA_IDX and SAVAGE_CMD_VB_IDX for ELTs support in
    the _savage_render_stage of the 3D driver
Bumped minor version and driver date
 2005-01-20 12:23:25 +00:00
Felix Kuehling 9514ee39f7 Fixed a bug that prevented the driver from ever emitting triangle strips or 
fans. Bumped patchlevel and driver date.
 2005-01-16 01:22:09 +00:00
Felix Kuehling ffc51f1f32 Setup MTRRs for frame buffer and aperture manually on Savage3D and 
Savage4-based cards. Automatic setup in drm_initmap doesn't work due to
    the weird alignment and size of the aperture.
 2005-01-15 16:55:01 +00:00
Felix Kuehling 17d893f567 Only try to find the agp_buffer_map if dma_type is AGP. This is all that's 
needed on the DRM side to support PCI Savages. Bumped patch level and
    driver date.
 2005-01-10 22:46:02 +00:00
Felix Kuehling d6af902ff7 Improved workaround for Savage3D DMA lockup to emit NOPs only before the 
first indexed drawing command of a cmdbuf or if a wait command was
    emitted since the last indexed drawing command.
 2005-01-09 19:49:21 +00:00
Felix Kuehling ae1bc4a6da 3D scissor regs are now managed by the DRM to iterate over clip rects 
passed to the cmdbuf ioctl (try xeyes on top of glxgears ;-)
Tightened the texture state check
Bumped Savage DRM version to 2.1.0 so that DRI driver can (theoretically)
    depend on the DRM to manage the scissor registers
 2005-01-05 23:45:42 +00:00
Felix Kuehling 094f02c568 Fixed the DMA buffer age test. Should fix occasional "soft" lockups. Bumped 
patch level and driver date.
 2005-01-05 14:34:12 +00:00
Felix Kuehling 04842e8bcf Completeley rewritten Savage DRM which can be considered secure (modulo 
implementation errors). Direct hardware (MMIO, BCI) access is no longer
    needed in the Mesa driver. Bumped version to 2.0.0. Corresponding
    changes to the DDX and Mesa drivers are being committed.
 2005-01-01 20:22:58 +00:00