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(cherry picked from commit a34a4e3f6420e2b06bbdaa124fe0ccb1bc6a0bd9)
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(cherry picked from commit 1cfe769c74d1a3a392bf1aaaf5c2dcc8273daf66)
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This patch duplicates all of the surface sampler state needed to read from
the separate YUV surfaces and then has the planar sampler read from samplers
0, 2, 4 instead of 0, 1, 2. This appears to make things work, instead of
having the samplers break at random. I do not understand why this works.
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The hardware has been marked as needing a sync, so the next video put will
block waiting for the previous one to complete. Adding a sync here just
stalls the video playback for no good reason.
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Support for planar video reduces bus bandwidth by 25% and also reduces CPU
usage during planar->packed conversion.
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Eliminate special video sf and ps programs.
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Clean up register allocation to never overlap
Always write 4 values for each texture vertex.
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Several uses are actually left, which are determined by the X Server
interfaces we're implementing.
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Use consistent interface for counting pixmap offset.
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This should be close to the last set of tiling fixes for 965 chipsets.
Prior to this commit, the 965 composite hook didn't take tiling into
account, nor did 965 textured video, which caused display corruption.
However, there seems to be at least one last bug to squash--on occasion,
a configuration with tiling enabled won't properly display text. This
is likely another tiling related problem with the composite hook.
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Now, all 3D pipeline consumers in the driver just call
IntelEmitInvariantState(), which handles basic state setup, the caching of that
state setup, and notifying DRI clients. This also removes a mistaken idle
wait in the Render code which was papering over the brokenness in the context
switching.
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Bob deinterlacing in MythTV, and the zoom options in totem would result in
attempting to source from outside the video instead of scaling appropriately.
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Autodetect libdrm version, disable new memory manager on older libraries.
Move new M_T_ defines from i830.h to i830_xf86Crtc.h. Add many system
headers to define functions. Use i830PipeSetBase at end of mode setting
code to set DSP*BASE and flush changes. Don't duplicate PipeSetBase call
from screen init function. Make initial RandR configuration code usable on
older versions of extension so the server doesn't start in a panning mode.
Use xfree instead of free in i830_tv.c.
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Currently, when the backing pixmap is not in framebuffer, we just BadAlloc
rather than drawing garbage to the front buffer. This can be fixed with EXA.
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