nv50,nvc0: use a face sysval to avoid the useless back-and-forth conversion

Signed-off-by: Ilia Mirkin <[email protected]>

2 files changed, 1 insertions, 5 deletions

diff --git a/src/gallium/drivers/nouveau/nv50/nv50_program.c b/src/gallium/drivers/nouveau/nv50/nv50_program.c
index b63584e0a09..888d62e1c52 100644
--- a/src/gallium/drivers/nouveau/nv50/nv50_program.c
+++ b/src/gallium/drivers/nouveau/nv50/nv50_program.c
@@ -148,7 +148,6 @@ nv50_fragprog_assign_slots(struct nv50_ir_prog_info *info)
    for (m = 0, i = 0; i < info->numInputs; ++i) {
       switch (info->in[i].sn) {
       case TGSI_SEMANTIC_POSITION:
-      case TGSI_SEMANTIC_FACE:
          continue;
       default:
          m += info->in[i].flat ? 0 : 1;
@@ -166,9 +165,6 @@ nv50_fragprog_assign_slots(struct nv50_ir_prog_info *info)
          for (c = 0; c < 4; ++c)
             if (info->in[i].mask & (1 << c))
                info->in[i].slot[c] = nintp++;
-      } else
-      if (info->in[i].sn == TGSI_SEMANTIC_FACE) {
-         info->in[i].slot[0] = 255;
       } else {
          unsigned j = info->in[i].flat ? m++ : n++;
 
diff --git a/src/gallium/drivers/nouveau/nv50/nv50_screen.c b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
index 867b366c986..56c67e0ddfb 100644
--- a/src/gallium/drivers/nouveau/nv50/nv50_screen.c
+++ b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
@@ -182,6 +182,7 @@ nv50_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_SHAREABLE_SHADERS:
    case PIPE_CAP_CLEAR_TEXTURE:
    case PIPE_CAP_COMPUTE:
+   case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
       return 1;
    case PIPE_CAP_SEAMLESS_CUBE_MAP:
       return 1; /* class_3d >= NVA0_3D_CLASS; */
@@ -222,7 +223,6 @@ nv50_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_DRAW_PARAMETERS:
    case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
    case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL:
-   case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
    case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
       return 0;