1-2:

Reviewed-by: Samuel Pitoiset <[email protected]>

On 01/17/2018 02:34 AM, Bas Nieuwenhuizen wrote:
The user SGPR location can change between pipelines, so we need to
emit it again to the pottentially changed SGPR index.
---
  src/amd/vulkan/radv_cmd_buffer.c | 34 +++++++++++++++++-----------------
  1 file changed, 17 insertions(+), 17 deletions(-)

diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c
index eeb2be8422..0d32d46e36 100644
--- a/src/amd/vulkan/radv_cmd_buffer.c
+++ b/src/amd/vulkan/radv_cmd_buffer.c
@@ -604,23 +604,6 @@ radv_update_multisample_state(struct radv_cmd_buffer 
*cmd_buffer,
        radeon_set_context_reg(cmd_buffer->cs, R_028804_DB_EQAA, ms->db_eqaa);
        radeon_set_context_reg(cmd_buffer->cs, R_028A4C_PA_SC_MODE_CNTL_1, 
ms->pa_sc_mode_cntl_1);
- if (old_pipeline && num_samples == old_pipeline->graphics.ms.num_samples &&
-           
old_pipeline->shaders[MESA_SHADER_FRAGMENT]->info.info.ps.needs_sample_positions == 
pipeline->shaders[MESA_SHADER_FRAGMENT]->info.info.ps.needs_sample_positions)
-               return;
-
-       radeon_set_context_reg_seq(cmd_buffer->cs, R_028BDC_PA_SC_LINE_CNTL, 2);
-       radeon_emit(cmd_buffer->cs, ms->pa_sc_line_cntl);
-       radeon_emit(cmd_buffer->cs, ms->pa_sc_aa_config);
-
-       radeon_set_context_reg(cmd_buffer->cs, R_028A48_PA_SC_MODE_CNTL_0, 
ms->pa_sc_mode_cntl_0);
-
-       radv_cayman_emit_msaa_sample_locs(cmd_buffer->cs, num_samples);
-
-       /* GFX9: Flush DFSM when the AA mode changes. */
-       if (cmd_buffer->device->dfsm_allowed) {
-               radeon_emit(cmd_buffer->cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
-               radeon_emit(cmd_buffer->cs, EVENT_TYPE(V_028A90_FLUSH_DFSM) | 
EVENT_INDEX(0));
-       }
        if 
(pipeline->shaders[MESA_SHADER_FRAGMENT]->info.info.ps.needs_sample_positions) {
                uint32_t offset;
                struct ac_userdata_info *loc = radv_lookup_user_sgpr(pipeline, 
MESA_SHADER_FRAGMENT, AC_UD_PS_SAMPLE_POS_OFFSET);
@@ -650,6 +633,23 @@ radv_update_multisample_state(struct radv_cmd_buffer 
*cmd_buffer,
                radeon_set_sh_reg(cmd_buffer->cs, base_reg + loc->sgpr_idx * 4, 
offset);
                cmd_buffer->sample_positions_needed = true;
        }
+
+       if (old_pipeline && num_samples == 
old_pipeline->graphics.ms.num_samples)
+               return;
+
+       radeon_set_context_reg_seq(cmd_buffer->cs, R_028BDC_PA_SC_LINE_CNTL, 2);
+       radeon_emit(cmd_buffer->cs, ms->pa_sc_line_cntl);
+       radeon_emit(cmd_buffer->cs, ms->pa_sc_aa_config);
+
+       radeon_set_context_reg(cmd_buffer->cs, R_028A48_PA_SC_MODE_CNTL_0, 
ms->pa_sc_mode_cntl_0);
+
+       radv_cayman_emit_msaa_sample_locs(cmd_buffer->cs, num_samples);
+
+       /* GFX9: Flush DFSM when the AA mode changes. */
+       if (cmd_buffer->device->dfsm_allowed) {
+               radeon_emit(cmd_buffer->cs, PKT3(PKT3_EVENT_WRITE, 0, 0));
+               radeon_emit(cmd_buffer->cs, EVENT_TYPE(V_028A90_FLUSH_DFSM) | 
EVENT_INDEX(0));
+       }
  }
static void

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