Mesa (master): turnip: Set up REG_A6XX_SP_GS_CONFIG

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Module: Mesa
Branch: master
Commit: 475fe500bfe495ffa0715e7a19d044b8d6f4f341
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=475fe500bfe495ffa0715e7a19d044b8d6f4f341

Author: Brian Ho <brian at brkho.com>
Date:   Wed Apr  1 13:26:17 2020 -0700

turnip: Set up REG_A6XX_SP_GS_CONFIG

Updates GS_CONFIG and HLSQ_GS_CNTL registers to match those emitted
by the blob and fd.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4436>

---

 src/freedreno/vulkan/tu_pipeline.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/freedreno/vulkan/tu_pipeline.c b/src/freedreno/vulkan/tu_pipeline.c
index fa070fcf957..48f08cb5f3a 100644
--- a/src/freedreno/vulkan/tu_pipeline.c
+++ b/src/freedreno/vulkan/tu_pipeline.c
@@ -438,19 +438,21 @@ static void
 tu6_emit_gs_config(struct tu_cs *cs, struct tu_shader *shader,
                    const struct ir3_shader_variant *gs)
 {
-   uint32_t sp_gs_config = 0;
-   if (gs->instrlen)
-      sp_gs_config |= A6XX_SP_GS_CONFIG_ENABLED;
-
+   bool has_gs = gs->type != MESA_SHADER_NONE;
    tu_cs_emit_pkt4(cs, REG_A6XX_SP_GS_UNKNOWN_A871, 1);
    tu_cs_emit(cs, 0);
 
    tu_cs_emit_pkt4(cs, REG_A6XX_SP_GS_CONFIG, 2);
-   tu_cs_emit(cs, sp_gs_config);
+   tu_cs_emit(cs, COND(has_gs,
+                       A6XX_SP_GS_CONFIG_ENABLED |
+                       A6XX_SP_GS_CONFIG_NIBO(ir3_shader_nibo(gs)) |
+                       A6XX_SP_GS_CONFIG_NTEX(gs->num_samp) |
+                       A6XX_SP_GS_CONFIG_NSAMP(gs->num_samp)));
    tu_cs_emit(cs, gs->instrlen);
 
    tu_cs_emit_pkt4(cs, REG_A6XX_HLSQ_GS_CNTL, 1);
-   tu_cs_emit(cs, A6XX_HLSQ_GS_CNTL_CONSTLEN(align(gs->constlen, 4)));
+   tu_cs_emit(cs, COND(has_gs, A6XX_HLSQ_GS_CNTL_ENABLED) |
+                  A6XX_HLSQ_GS_CNTL_CONSTLEN(align(gs->constlen, 4)));
 }
 
 static void