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i965: Don't flag gather quirks for Gen8+

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My understanding is that Broadwell retains the same SCS mechanism
that Haswell has, so even if the underlying issue with this format
is not fixed, the w/a will be applied in SCS rather than needing
shader code.

Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
Cc: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Chris Forbes 2013-11-29 22:04:58 +13:00
parent 83b83fb984
commit a1ca580240
1 changed files with 1 additions and 1 deletions
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src/mesa/drivers/dri/i965/brw_wm.c
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@ -353,7 +353,7 @@ brw_populate_sampler_prog_key_data(struct gl_context *ctx,
/* gather4's channel select for green from RG32F is broken; /* gather4's channel select for green from RG32F is broken;
* requires a shader w/a on IVB; fixable with just SCS on HSW. */ * requires a shader w/a on IVB; fixable with just SCS on HSW. */
if (brw->gen >= 7 && !brw->is_haswell && prog->UsesGather) { if (brw->gen == 7 && !brw->is_haswell && prog->UsesGather) {
if (img->InternalFormat == GL_RG32F) if (img->InternalFormat == GL_RG32F)
key->gather_channel_quirk_mask |= 1 << s; key->gather_channel_quirk_mask |= 1 << s;
} }