Jerome Glisse wrote on 2010-03-11 18:13: > Hi all, > > I have been a little bit out of the loop on the mesa side, thus now i am > having a bunch of questions relating to gallium, apologies if i am asking > for obvious thing. > > First in tgsi compiler there is a Dimension field (struct tgsi_dimension) > that i don't understand, it seems all driver are ignoring it, from quick > glimpse to tgsi code it's for 2d array addressing, but i think glsl only > talks about 1d array. What are the exepction for this field ? Should > driver care ? > > It makes sense for geometry shaders, where you use one dimension to address input vertex, and another one to index a particular input attribute within that vertex.
> What is the indirect boolean for in src or dst operand of an instruction ? > What is the GLSL equivalent of it. > > This is used to e.g. address constant registers with a non-constant index. > A more practical question are what are the gallium branches likely to be > merge in the next few weeks ? I will likely have r600g driver in good > shape enough in the next few weeks to consider merging it with master > but i would like first to port it to the lastest gallium change before > merging it so i don't put the burden on people working on those > branches. > > What are the plan to expand TGSI to support new shader feature ? (double > precision op, ... I am planning to add a new set of texture fetch/sampler instructions in the immediate future. The gallium-double-opcodes branch has stalled, though, so it won't be merged any time soon. ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Mesa3d-dev mailing list Mesa3d-dev@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mesa3d-dev
