Mesa (master): i965: Delete the FS_OPCODE_INTERPOLATE_AT_CENTROID virtual opcode.

[Kenneth Graunke]

Module: Mesa
Branch: master
Commit: 160820995210e0b85fd25821f5ae785d6a539e08
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=160820995210e0b85fd25821f5ae785d6a539e08

Author: Kenneth Graunke <kenneth at whitecape.org>
Date:   Sat Jul 16 11:52:36 2016 -0700

i965: Delete the FS_OPCODE_INTERPOLATE_AT_CENTROID virtual opcode.

We no longer use this message.  As far as I can tell, it's fairly
useless - the equivalent information is provided in the payload.

Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
Reviewed-by: Chris Forbes <chrisforbes at google.com>
Reviewed-by: Jason Ekstrand <jason at jlekstrand.net>

---

 src/mesa/drivers/dri/i965/brw_defines.h        | 1 -
 src/mesa/drivers/dri/i965/brw_fs.cpp           | 2 --
 src/mesa/drivers/dri/i965/brw_fs_generator.cpp | 5 -----
 src/mesa/drivers/dri/i965/brw_shader.cpp       | 2 --
 4 files changed, 10 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_defines.h b/src/mesa/drivers/dri/i965/brw_defines.h
index b5a259e..2814fa7 100644
--- a/src/mesa/drivers/dri/i965/brw_defines.h
+++ b/src/mesa/drivers/dri/i965/brw_defines.h
@@ -1120,7 +1120,6 @@ enum opcode {
    FS_OPCODE_UNPACK_HALF_2x16_SPLIT_X,
    FS_OPCODE_UNPACK_HALF_2x16_SPLIT_Y,
    FS_OPCODE_PLACEHOLDER_HALT,
-   FS_OPCODE_INTERPOLATE_AT_CENTROID,
    FS_OPCODE_INTERPOLATE_AT_SAMPLE,
    FS_OPCODE_INTERPOLATE_AT_SHARED_OFFSET,
    FS_OPCODE_INTERPOLATE_AT_PER_SLOT_OFFSET,
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 4aae574..4344a3a 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -253,7 +253,6 @@ fs_inst::is_send_from_grf() const
    switch (opcode) {
    case FS_OPCODE_VARYING_PULL_CONSTANT_LOAD_GEN7:
    case SHADER_OPCODE_SHADER_TIME_ADD:
-   case FS_OPCODE_INTERPOLATE_AT_CENTROID:
    case FS_OPCODE_INTERPOLATE_AT_SAMPLE:
    case FS_OPCODE_INTERPOLATE_AT_SHARED_OFFSET:
    case FS_OPCODE_INTERPOLATE_AT_PER_SLOT_OFFSET:
@@ -4788,7 +4787,6 @@ get_lowered_simd_width(const struct brw_device_info *devinfo,
    case FS_OPCODE_PACK_HALF_2x16_SPLIT:
    case FS_OPCODE_UNPACK_HALF_2x16_SPLIT_X:
    case FS_OPCODE_UNPACK_HALF_2x16_SPLIT_Y:
-   case FS_OPCODE_INTERPOLATE_AT_CENTROID:
    case FS_OPCODE_INTERPOLATE_AT_SAMPLE:
    case FS_OPCODE_INTERPOLATE_AT_SHARED_OFFSET:
    case FS_OPCODE_INTERPOLATE_AT_PER_SLOT_OFFSET:
diff --git a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
index f69e744..647950f 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
@@ -2057,11 +2057,6 @@ fs_generator::generate_code(const cfg_t *cfg, int dispatch_width)
          }
          break;
 
-      case FS_OPCODE_INTERPOLATE_AT_CENTROID:
-         generate_pixel_interpolator_query(inst, dst, src[0], src[1],
-                                           GEN7_PIXEL_INTERPOLATOR_LOC_CENTROID);
-         break;
-
       case FS_OPCODE_INTERPOLATE_AT_SAMPLE:
          generate_pixel_interpolator_query(inst, dst, src[0], src[1],
                                            GEN7_PIXEL_INTERPOLATOR_LOC_SAMPLE);
diff --git a/src/mesa/drivers/dri/i965/brw_shader.cpp b/src/mesa/drivers/dri/i965/brw_shader.cpp
index f3b5487..559e44c 100644
--- a/src/mesa/drivers/dri/i965/brw_shader.cpp
+++ b/src/mesa/drivers/dri/i965/brw_shader.cpp
@@ -367,8 +367,6 @@ brw_instruction_name(const struct brw_device_info *devinfo, enum opcode op)
    case FS_OPCODE_PLACEHOLDER_HALT:
       return "placeholder_halt";
 
-   case FS_OPCODE_INTERPOLATE_AT_CENTROID:
-      return "interp_centroid";
    case FS_OPCODE_INTERPOLATE_AT_SAMPLE:
       return "interp_sample";
    case FS_OPCODE_INTERPOLATE_AT_SHARED_OFFSET: