[Bug 29851] [r300g] HyperZ on RS690 not work correctly

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=29851

--- Comment #2 from Scott Moreau <oreaus at gmail.com> 2010-09-23 03:13:27 PDT ---
(In reply to comment #0)
> Created an attachment (id=38235)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38235)
> glxgears.jpeg
> 
> Incoretly rendering.
> Kernel: 2.6.36-rc2
> Mesa/libdrm/ddx: git
> xorg: 1.9.0
> 
> ~ $ RADEON_HYPERZ=1 glxgears
> radeon: Successfully grabbed chipset info from kernel!
> radeon: DRM version: 2.6.0 ID: 0x791f GB: 1 Z: 1
> radeon: GART size: 509 MB VRAM size: 128 MB
> radeon: HyperZ: YES
> couldn't open libtxc_dxtn.so, software DXTn compression/decompression
> unavailable
> Mesa: Mesa 7.9-devel DEBUG build Aug 28 2010 10:23:14
> Mesa warning: couldn't open libtxc_dxtn.so, software DXTn
> compression/decompression unavailable
> Running synchronized to the vertical refresh.  The framerate should be
> approximately the same as the monitor refresh rate.
> 293 frames in 5.0 seconds = 58.480 FPS
> 
> P.S. On screenshot is glxgears area, only small part fast blinking gear

Does this make any difference? In
mesa/src/gallium/drivers/r300/r300_state.c:770

-            int compress = r300->screen->caps.is_rv350 ? RV350_Z_COMPRESS_88 :
R300_Z_COMPRESS_44;
+            int compress = R300_Z_COMPRESS_44;

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