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virgl: Don't support QUADS natively

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Using quads leads to a rather expensive buffer readback when quads
are stored in display lists, so avoid them altogether.

Closes: #5825

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Reviewed-by: Italo Nicola <italonicola@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15683>
This commit is contained in:
Gert Wollny
2022-03-31 09:23:36 +02:00
committed by Marge Bot
parent 597560e27c
commit 492401c054
1 changed files with 4 additions and 0 deletions
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src/gallium/drivers/virgl/virgl_screen.c
+4
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@@ -133,6 +133,10 @@ virgl_get_param(struct pipe_screen *screen, enum pipe_cap param)
case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
return 16*4;
case PIPE_CAP_SUPPORTED_PRIM_MODES:
return BITFIELD_MASK(PIPE_PRIM_MAX) &
~BITFIELD_BIT(PIPE_PRIM_QUADS) &
~BITFIELD_BIT(PIPE_PRIM_QUAD_STRIP);
case PIPE_CAP_PRIMITIVE_RESTART:
case PIPE_CAP_PRIMITIVE_RESTART_FIXED_INDEX:
return vscreen->caps.caps.v1.bset.primitive_restart;