Brian Paul <bri...@vmware.com> writes: > On 07/25/2012 09:01 AM, Matt Turner wrote: >> On Wed, Jul 25, 2012 at 6:57 AM, Brian Paul<bri...@vmware.com> wrote: >>>> Several days passed and no software renderer. >>>> I rather would like to test the llvmpipe >>>> than fix the compiler... >>>> >>>> What is the status with OSMesa and llvmpipe? >>> >>> >>> OSMesa only works with the legacy swrast driver, not llvmpipe. One thing on >>> my to-do list is to write a gallium state tracker to implement OSMesa for >>> gallium drivers. But I don't know when I'll get to that. >> >> OSMesa does software offscreen rendering? Why wouldn't developers just >> use FBOs these days? Beyond not depending on OSMesa, they'd have >> hardware acceleration. > > I think it's mostly legacay apps that use OSMesa. But some OSMesa > apps do unusual things like directly touching the color/depth buffer > values to avoid glRead/DrawPixels (see the > OSMesaGetDepth/ColorBuffer() functions).
Even for hardware drivers, people want to be able to directly map renderbuffers (wine, ported DX apps, chromium at least I've hard of). If someone writes an extension for that, we might be able to stop having a custom GL library just for that purpose.
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