diff options
| author | Marek Olšák <[email protected]> | 2018-10-26 22:07:29 -0400 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2018-10-30 16:03:02 -0400 |
| commit | 99835fff088594382884f3155ca78649156b05d1 (patch) | |
| tree | d2c263b83c274b05590ce7d6179a609a8f346a75 /src/gallium/drivers | |
| parent | 8ad12c8bec4bd20ea4241e412b477a155a42186b (diff) | |
radeonsi/gfx9: set optimal OVERWRITE_COMBINER_WATERMARK
Diffstat (limited to 'src/gallium/drivers')
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_pipe.h | 1 | ||||
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_state.c | 14 |
2 files changed, 14 insertions, 1 deletions
diff --git a/src/gallium/drivers/radeonsi/si_pipe.h b/src/gallium/drivers/radeonsi/si_pipe.h index dc95afb7421..0807c8ddacc 100644 --- a/src/gallium/drivers/radeonsi/si_pipe.h +++ b/src/gallium/drivers/radeonsi/si_pipe.h @@ -617,6 +617,7 @@ struct si_framebuffer { ubyte color_is_int8; ubyte color_is_int10; ubyte dirty_cbufs; + ubyte dcc_overwrite_combiner_watermark; bool dirty_zsbuf; bool any_dst_linear; bool CB_has_shader_readable_metadata; diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c index 36dce381539..43d76d19916 100644 --- a/src/gallium/drivers/radeonsi/si_state.c +++ b/src/gallium/drivers/radeonsi/si_state.c @@ -113,12 +113,13 @@ static void si_emit_cb_render_state(struct si_context *sctx) blend && blend->blend_enable_4bit & cb_target_mask && sctx->framebuffer.nr_samples >= 2; + unsigned watermark = sctx->framebuffer.dcc_overwrite_combiner_watermark; radeon_opt_set_context_reg( sctx, R_028424_CB_DCC_CONTROL, SI_TRACKED_CB_DCC_CONTROL, S_028424_OVERWRITE_COMBINER_MRT_SHARING_DISABLE(1) | - S_028424_OVERWRITE_COMBINER_WATERMARK(4) | + S_028424_OVERWRITE_COMBINER_WATERMARK(watermark) | S_028424_OVERWRITE_COMBINER_DISABLE(oc_disable)); } @@ -2855,6 +2856,7 @@ static void si_set_framebuffer_state(struct pipe_context *ctx, sctx->framebuffer.any_dst_linear = false; sctx->framebuffer.CB_has_shader_readable_metadata = false; sctx->framebuffer.DB_has_shader_readable_metadata = false; + unsigned num_bpp64_colorbufs = 0; for (i = 0; i < state->nr_cbufs; i++) { if (!state->cbufs[i]) @@ -2901,6 +2903,8 @@ static void si_set_framebuffer_state(struct pipe_context *ctx, if (tex->surface.is_linear) sctx->framebuffer.any_dst_linear = true; + if (tex->surface.bpe >= 8) + num_bpp64_colorbufs++; if (vi_dcc_enabled(tex, surf->base.u.tex.level)) sctx->framebuffer.CB_has_shader_readable_metadata = true; @@ -2916,6 +2920,14 @@ static void si_set_framebuffer_state(struct pipe_context *ctx, } } + /* For optimal DCC performance. */ + if (sctx->chip_class == VI) + sctx->framebuffer.dcc_overwrite_combiner_watermark = 4; + else if (num_bpp64_colorbufs >= 5) + sctx->framebuffer.dcc_overwrite_combiner_watermark = 8; + else + sctx->framebuffer.dcc_overwrite_combiner_watermark = 6; + struct si_texture *zstex = NULL; if (state->zsbuf) { |