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Use a somewhat better writeback mechanism for now

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Steven Robertson 2010-09-12 00:16:35 -04:00
parent aa688564f1
commit 40a5ceafde
1 changed files with 8 additions and 7 deletions
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15
cuburn/device_code.py
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@ -474,13 +474,14 @@ class HistScatter(PTXFragment):
palette.look_up(r, g, b, a, color, norm_time) palette.look_up(r, g, b, a, color, norm_time)
# TODO: look up, scale by xform visibility # TODO: look up, scale by xform visibility
# TODO: Make this more performant # TODO: Make this more performant
reg.f32('gval') reg.f32('gr gg gb ga')
for i, val in enumerate([r, g, b, a]): op.ld.v4.f32(vec(gr, gg, gb, ga), addr(hist_bin_addr))
#op.red.add.f32(addr(hist_bin_addr,4*i), val) op.add.f32(gr, gr, r)
op.ld.f32(gval,addr(hist_bin_addr,4*i)) op.add.f32(gg, gg, g)
op.add.f32(gval, gval, val) op.add.f32(gb, gb, b)
op.st.f32(addr(hist_bin_addr,4*i),gval) op.add.f32(ga, ga, a)
op.st.v4.f32(addr(hist_bin_addr), vec(gr, gg, gb, ga))
#op.red.add.f32(addr(hist_bin_addr,4*i), val)
def call_setup(self, ctx): def call_setup(self, ctx):
hist_bins_dp, hist_bins_l = ctx.mod.get_global('g_hist_bins') hist_bins_dp, hist_bins_l = ctx.mod.get_global('g_hist_bins')