diff options
Diffstat (limited to 'src/gallium/drivers/radeonsi/si_state.c')
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_state.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c index b55a398740d..326b8f27a15 100644 --- a/src/gallium/drivers/radeonsi/si_state.c +++ b/src/gallium/drivers/radeonsi/si_state.c @@ -148,8 +148,15 @@ static void si_emit_cb_render_state(struct si_context *sctx) unsigned format, swap, spi_format, colormask; bool has_alpha, has_rgb; - if (!surf) + if (!surf) { + /* If the color buffer is not set, the driver sets 32_R + * as the SPI color format, because the hw doesn't allow + * holes between color outputs, so also set this to + * enable RB+. + */ + sx_ps_downconvert |= V_028754_SX_RT_EXPORT_32_R << (i * 4); continue; + } format = G_028C70_FORMAT(surf->cb_color_info); swap = G_028C70_COMP_SWAP(surf->cb_color_info); @@ -258,6 +265,12 @@ static void si_emit_cb_render_state(struct si_context *sctx) } } + /* If there are no color outputs, the first color export is + * always enabled as 32_R, so also set this to enable RB+. + */ + if (!sx_ps_downconvert) + sx_ps_downconvert = V_028754_SX_RT_EXPORT_32_R; + /* SX_PS_DOWNCONVERT, SX_BLEND_OPT_EPSILON, SX_BLEND_OPT_CONTROL */ radeon_opt_set_context_reg3(sctx, R_028754_SX_PS_DOWNCONVERT, SI_TRACKED_SX_PS_DOWNCONVERT, |