i965/blorp: Add a fast_clear_op enum

Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>

4 files changed, 32 insertions, 16 deletions

diff --git a/src/mesa/drivers/dri/i965/blorp.c b/src/mesa/drivers/dri/i965/blorp.c
index deba011..20477dd 100644
--- a/src/mesa/drivers/dri/i965/blorp.c
+++ b/src/mesa/drivers/dri/i965/blorp.c
@@ -145,7 +145,6 @@ brw_blorp_params_init(struct brw_blorp_params *params)
 {
    memset(params, 0, sizeof(*params));
    params->hiz_op = GEN6_HIZ_OP_NONE;
-   params->fast_clear_op = 0;
    params->num_draw_buffers = 1;
    params->num_layers = 1;
 }
diff --git a/src/mesa/drivers/dri/i965/blorp_clear.c b/src/mesa/drivers/dri/i965/blorp_clear.c
index 0741bca..d145cce 100644
--- a/src/mesa/drivers/dri/i965/blorp_clear.c
+++ b/src/mesa/drivers/dri/i965/blorp_clear.c
@@ -109,7 +109,7 @@ blorp_fast_clear(struct blorp_batch *batch,
    params.y1 = y1;
 
    memset(&params.wm_inputs, 0xff, 4*sizeof(float));
-   params.fast_clear_op = GEN7_PS_RENDER_TARGET_FAST_CLEAR_ENABLE;
+   params.fast_clear_op = BLORP_FAST_CLEAR_OP_CLEAR;
 
    brw_get_fast_clear_rect(batch->blorp->isl_dev, surf->aux_surf,
                            &params.x0, &params.y0, &params.x1, &params.y1);
@@ -184,10 +184,15 @@ brw_blorp_ccs_resolve(struct blorp_batch *batch,
                             &params.x0, &params.y0,
                             &params.x1, &params.y1);
 
-   if (params.dst.aux_usage == ISL_AUX_USAGE_CCS_E)
-      params.resolve_type = GEN9_PS_RENDER_TARGET_RESOLVE_FULL;
-   else
-      params.resolve_type = GEN7_PS_RENDER_TARGET_RESOLVE_ENABLE;
+   if (batch->blorp->isl_dev->info->gen >= 9) {
+      if (params.dst.aux_usage == ISL_AUX_USAGE_CCS_E)
+         params.fast_clear_op = BLORP_FAST_CLEAR_OP_RESOLVE_FULL;
+      else
+         params.fast_clear_op = BLORP_FAST_CLEAR_OP_RESOLVE_PARTIAL;
+   } else {
+      /* Broadwell and earlier do not have a partial resolve */
+      params.fast_clear_op = BLORP_FAST_CLEAR_OP_RESOLVE_FULL;
+   }
 
    /* Note: there is no need to initialize push constants because it doesn't
     * matter what data gets dispatched to the render target.  However, we must
diff --git a/src/mesa/drivers/dri/i965/blorp_priv.h b/src/mesa/drivers/dri/i965/blorp_priv.h
index 1f10f49..36ff637 100644
--- a/src/mesa/drivers/dri/i965/blorp_priv.h
+++ b/src/mesa/drivers/dri/i965/blorp_priv.h
@@ -42,6 +42,13 @@ enum {
    BLORP_NUM_BT_ENTRIES
 };
 
+enum blorp_fast_clear_op {
+   BLORP_FAST_CLEAR_OP_NONE = 0,
+   BLORP_FAST_CLEAR_OP_CLEAR,
+   BLORP_FAST_CLEAR_OP_RESOLVE_PARTIAL,
+   BLORP_FAST_CLEAR_OP_RESOLVE_FULL,
+};
+
 struct brw_blorp_surface_info
 {
    struct isl_surf surf;
@@ -168,10 +175,7 @@ struct brw_blorp_params
    struct brw_blorp_surface_info src;
    struct brw_blorp_surface_info dst;
    enum gen6_hiz_op hiz_op;
-   union {
-      unsigned fast_clear_op;
-      unsigned resolve_type;
-   };
+   enum blorp_fast_clear_op fast_clear_op;
    bool color_write_disable[4];
    struct brw_blorp_wm_inputs wm_inputs;
    unsigned num_draw_buffers;
diff --git a/src/mesa/drivers/dri/i965/genX_blorp_exec.h b/src/mesa/drivers/dri/i965/genX_blorp_exec.h
index 21f6c23..7ef6a1d 100644
--- a/src/mesa/drivers/dri/i965/genX_blorp_exec.h
+++ b/src/mesa/drivers/dri/i965/genX_blorp_exec.h
@@ -528,21 +528,25 @@ blorp_emit_ps_config(struct blorp_batch *batch,
          ps.MaximumNumberofThreadsPerPSD = 64 - 2;
 
       switch (params->fast_clear_op) {
+      case BLORP_FAST_CLEAR_OP_NONE:
+         break;
 #if GEN_GEN >= 9
-      case (1 << 6): /* GEN7_PS_RENDER_TARGET_RESOLVE_ENABLE */
+      case BLORP_FAST_CLEAR_OP_RESOLVE_PARTIAL:
          ps.RenderTargetResolveType = RESOLVE_PARTIAL;
          break;
-      case (3 << 6): /* GEN9_PS_RENDER_TARGET_RESOLVE_FULL */
+      case BLORP_FAST_CLEAR_OP_RESOLVE_FULL:
          ps.RenderTargetResolveType = RESOLVE_FULL;
          break;
 #else
-      case (1 << 6): /* GEN7_PS_RENDER_TARGET_RESOLVE_ENABLE */
+      case BLORP_FAST_CLEAR_OP_RESOLVE_FULL:
          ps.RenderTargetResolveEnable = true;
          break;
 #endif
-      case (1 << 8): /* GEN7_PS_RENDER_TARGET_FAST_CLEAR_ENABLE */
+      case BLORP_FAST_CLEAR_OP_CLEAR:
          ps.RenderTargetFastClearEnable = true;
          break;
+      default:
+         unreachable("Invalid fast clear op");
       }
    }
 
@@ -627,12 +631,16 @@ blorp_emit_ps_config(struct blorp_batch *batch,
          ps.SamplerCount = 1; /* Up to 4 samplers */
 
       switch (params->fast_clear_op) {
-      case (1 << 6): /* GEN7_PS_RENDER_TARGET_RESOLVE_ENABLE */
+      case BLORP_FAST_CLEAR_OP_NONE:
+         break;
+      case BLORP_FAST_CLEAR_OP_RESOLVE_FULL:
          ps.RenderTargetResolveEnable = true;
          break;
-      case (1 << 8): /* GEN7_PS_RENDER_TARGET_FAST_CLEAR_ENABLE */
+      case BLORP_FAST_CLEAR_OP_CLEAR:
          ps.RenderTargetFastClearEnable = true;
          break;
+      default:
+         unreachable("Invalid fast clear op");
       }
    }