Fragment interface is not displaying on Intel GMA chipsets (i810 driver). It appears that the textures affected are being shaded but the output is not displayed to the screen. Some examples : 1 Water works but content behind water waves are not distorted 2 Blur plugin is "Apparently on" and appears to be slow but translucent textures are not blurred. This is apparent on AIGLX in X.org 7.2 Final and higher on OpenSUSE 10.2 and Ubuntu
I am only using XGL but water works as usual and seems to be hardware accelerated (fast draw/low cpu). However activating blur (even for a single small window/part/region) causes a "2 fps like" redraw slowdown. I assume Mesa jumps in with software shaders? (Latest compiz GIT, Mesa 6.5.2, i945GM)
intel x3100 GM965 intel driver 2.2.1-1ubuntu4 xorg-core 1.4.1~git20080131-1ubuntu4 xorg-server 7.3+10ubuntu6 mesa 7.0.3~rc2-1ubuntu1 blur, water, shade plugins are not working with my card either (they don't do anything but removing screen content). I also see this message in the terminal: /usr/bin/compiz.real (blur) - Warn: No stencil buffer. Region based blur disabled
This is resolved in what used to be called the compiz-fusion 'workarounds' plugin. The checkbox 'Fix AIGLX shaders' should fix water - Blur and Bicubic cannot be fixed as their fragment instructions exceed the maximum amount that can be done in hardware.
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