i965/fs: Refactor setup_payload_gen6 to assume FS

It's extremely FS specific so the fact that we have a stage check in the
middle of it is rather bogus.  While were here, we rename
setup_payload_gen4 and setup_payload_gen6 to make it obvious that they are
both FS specific.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 7620858..a5d4034 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -4848,8 +4848,12 @@ fs_visitor::get_instruction_generating_reg(fs_inst *start,
 }
 
 void
-fs_visitor::setup_payload_gen6()
+fs_visitor::setup_fs_payload_gen6()
 {
+   assert(stage == MESA_SHADER_FRAGMENT);
+   brw_wm_prog_data *prog_data = (brw_wm_prog_data*) this->prog_data;
+   brw_wm_prog_key *key = (brw_wm_prog_key*) this->key;
+
    bool uses_depth =
       (nir->info.inputs_read & (1 << VARYING_SLOT_POS)) != 0;
    unsigned barycentric_interp_modes =
@@ -4898,15 +4902,11 @@ fs_visitor::setup_payload_gen6()
       }
    }
 
-   if (stage == MESA_SHADER_FRAGMENT) {
-      brw_wm_prog_data *prog_data = (brw_wm_prog_data*) this->prog_data;
-      brw_wm_prog_key *key = (brw_wm_prog_key*) this->key;
-      prog_data->uses_pos_offset = key->compute_pos_offset;
-      /* R31: MSAA position offsets. */
-      if (prog_data->uses_pos_offset) {
-         payload.sample_pos_reg = payload.num_regs;
-         payload.num_regs++;
-      }
+   prog_data->uses_pos_offset = key->compute_pos_offset;
+   /* R31: MSAA position offsets. */
+   if (prog_data->uses_pos_offset) {
+      payload.sample_pos_reg = payload.num_regs;
+      payload.num_regs++;
    }
 
    /* R32: MSAA input coverage mask */
@@ -5347,9 +5347,9 @@ fs_visitor::run_fs(bool do_rep_send)
    assert(stage == MESA_SHADER_FRAGMENT);
 
    if (devinfo->gen >= 6)
-      setup_payload_gen6();
+      setup_fs_payload_gen6();
    else
-      setup_payload_gen4();
+      setup_fs_payload_gen4();
 
    if (0) {
       emit_dummy_fs();

diff --git a/src/mesa/drivers/dri/i965/brw_fs.h b/src/mesa/drivers/dri/i965/brw_fs.h
index 4a26ac1..7c3d85c 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_fs.h
+++ b/src/mesa/drivers/dri/i965/brw_fs.h
@@ -115,8 +115,8 @@ public:
    bool run_cs();
    void optimize();
    void allocate_registers();
-   void setup_payload_gen4();
-   void setup_payload_gen6();
+   void setup_fs_payload_gen4();
+   void setup_fs_payload_gen6();
    void setup_vs_payload();
    void setup_gs_payload();
    void setup_cs_payload();

diff --git a/src/mesa/drivers/dri/i965/brw_wm_iz.cpp b/src/mesa/drivers/dri/i965/brw_wm_iz.cpp
index 83e1855..9d9f4e4 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_wm_iz.cpp
+++ b/src/mesa/drivers/dri/i965/brw_wm_iz.cpp
@@ -120,7 +120,7 @@ static const struct {
  * \param line_aa  AA_NEVER, AA_ALWAYS or AA_SOMETIMES
  * \param lookup  bitmask of IZ_* flags
  */
-void fs_visitor::setup_payload_gen4()
+void fs_visitor::setup_fs_payload_gen4()
 {
    assert(stage == MESA_SHADER_FRAGMENT);
    brw_wm_prog_key *key = (brw_wm_prog_key*) this->key;