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r600g: check rasterizer primitive states like in radeonsi

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Specifically, non-line primitives skipped, and defaulting to reset on
each packet.

The skip of non-line primitives saves ≈110 resetting of
PA_SC_LINE_STIPPLE register per frame in Kane&Lynch2.

Signed-off-by: Constantine Kharlamov <Hi-Angel@yandex.ru>
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>
This commit is contained in:
Constantine Kharlamov 2017-04-02 20:33:06 +03:00 • committed by Marek Olšák
parent 7ade08e2a8
commit 6ee486899b
1 changed files with 13 additions and 8 deletions
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21
src/gallium/drivers/r600/r600_state_common.c
View file

@ -1670,19 +1670,24 @@ void r600_emit_clip_misc_state(struct r600_context *rctx, struct r600_atom *atom
static inline void r600_emit_rasterizer_prim_state(struct r600_context *rctx)
{
struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
unsigned ls_mask = 0;
enum pipe_prim_type rast_prim = rctx->current_rast_prim;
/* Skip this if not rendering lines. */
if (rast_prim != PIPE_PRIM_LINES &&
rast_prim != PIPE_PRIM_LINE_LOOP &&
rast_prim != PIPE_PRIM_LINE_STRIP &&
rast_prim != PIPE_PRIM_LINES_ADJACENCY &&
rast_prim != PIPE_PRIM_LINE_STRIP_ADJACENCY)
return;
if (rast_prim == rctx->last_rast_prim)
return;
if (rast_prim == PIPE_PRIM_LINES)
ls_mask = 1;
else if (rast_prim == PIPE_PRIM_LINE_STRIP ||
rast_prim == PIPE_PRIM_LINE_LOOP)
ls_mask = 2;
/* For lines, reset the stipple pattern at each primitive. Otherwise,
* reset the stipple pattern at each packet (line strips, line loops).
*/
radeon_set_context_reg(cs, R_028A0C_PA_SC_LINE_STIPPLE,
S_028A0C_AUTO_RESET_CNTL(ls_mask) |
S_028A0C_AUTO_RESET_CNTL(rast_prim == PIPE_PRIM_LINES ? 1 : 2) |
(rctx->rasterizer ? rctx->rasterizer->pa_sc_line_stipple : 0));
rctx->last_rast_prim = rast_prim;
}