From d4ad4c20617f45f71152e292ee39f020ef352bfd Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= Date: Sun, 2 Aug 2015 15:18:36 +0200 Subject: [PATCH] r600g: fix the CB_SHADER_MASK setup MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit This fixes the single-sample fast clear hang. Cc: 10.6 Tested-by: Dieter Nützel Reviewed-by: Dave Airlie --- src/gallium/drivers/r600/evergreen_state.c | 8 ++++---- src/gallium/drivers/r600/r600_shader.c | 1 + 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c index 5c8fd0d2d35..13ecc46959f 100644 --- a/src/gallium/drivers/r600/evergreen_state.c +++ b/src/gallium/drivers/r600/evergreen_state.c @@ -1736,10 +1736,10 @@ static void evergreen_emit_cb_misc_state(struct r600_context *rctx, struct r600_ r600_write_context_reg_seq(cs, R_028238_CB_TARGET_MASK, 2); radeon_emit(cs, a->blend_colormask & fb_colormask); /* R_028238_CB_TARGET_MASK */ - /* Always enable the first colorbuffer in CB_SHADER_MASK. This - * will assure that the alpha-test will work even if there is - * no colorbuffer bound. */ - radeon_emit(cs, 0xf | (a->dual_src_blend ? ps_colormask : 0) | fb_colormask); /* R_02823C_CB_SHADER_MASK */ + /* This must match the used export instructions exactly. + * Other values may lead to undefined behavior and hangs. + */ + radeon_emit(cs, ps_colormask); /* R_02823C_CB_SHADER_MASK */ } static void evergreen_emit_db_state(struct r600_context *rctx, struct r600_atom *atom) diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index 09f50f5d810..8d1f95abddc 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -2490,6 +2490,7 @@ static int r600_shader_from_tgsi(struct r600_context *rctx, output[j].array_base = 0; output[j].op = CF_OP_EXPORT; j++; + shader->nr_ps_color_exports++; } noutput = j; -- 2.30.2