From: Gert Wollny Date: Wed, 2 Oct 2019 07:28:55 +0000 (+0200) Subject: etnaviv: enable triangle strips only when the hardware supports it X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c5da8230deb0b1f885392224cfd3613d099ec440;p=mesa.git etnaviv: enable triangle strips only when the hardware supports it Some hardware has a bug with triangle strips and it is signalled by the flag BUG_FIXED8 whether this bug has been fixed. So only enable triangle strips when this flag is set. Thanks: Jonathan Marek and Christian Gmeiner for the pointers v2: Add TODO to indicate that the handling should be refined (Jonathan & Christian) Signed-off-by: Gert Wollny Reviewed-by: Christian Gmeiner --- diff --git a/src/gallium/drivers/etnaviv/etnaviv_context.c b/src/gallium/drivers/etnaviv/etnaviv_context.c index 82254f9c1c1..9af564440c0 100644 --- a/src/gallium/drivers/etnaviv/etnaviv_context.c +++ b/src/gallium/drivers/etnaviv/etnaviv_context.c @@ -479,9 +479,15 @@ etna_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags) 1 << PIPE_PRIM_LINES | 1 << PIPE_PRIM_LINE_STRIP | 1 << PIPE_PRIM_TRIANGLES | - 1 << PIPE_PRIM_TRIANGLE_STRIP | 1 << PIPE_PRIM_TRIANGLE_FAN; + /* TODO: The bug relates only to indexed draws, but here we signal + * that there is no support for triangle strips at all. This should + * be refined. + */ + if (VIV_FEATURE(ctx->screen, chipMinorFeatures2, BUG_FIXES8)) + ctx->prim_hwsupport |= 1 << PIPE_PRIM_TRIANGLE_STRIP; + if (VIV_FEATURE(ctx->screen, chipMinorFeatures2, LINE_LOOP)) ctx->prim_hwsupport |= 1 << PIPE_PRIM_LINE_LOOP;