Mesa (master): i965: Fix INTEL_DEBUG=shader_time for SIMD8 VS (and GS).

[Kenneth Graunke]

Module: Mesa
Branch: master
Commit: d4a461caaf00ae13b83f106f032d3f4125687a02
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=d4a461caaf00ae13b83f106f032d3f4125687a02

Author: Kenneth Graunke <kenneth at whitecape.org>
Date:   Thu Jan 15 02:05:18 2015 -0800

i965: Fix INTEL_DEBUG=shader_time for SIMD8 VS (and GS).

We were incorrectly attributing VS time to FS8 on Gen8+, which now use
fs_visitor for vertex shaders.

We don't hit this for geometry shaders yet, but we may as well add
support now - the fix is obvious, and we'll just forget later.

Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
Reviewed-by: Francisco Jerez <currojerez at riseup.net>
Reviewed-by: Jordan Justen <jordan.l.justen at intel.com>

---

 src/mesa/drivers/dri/i965/brw_fs.cpp |   34 +++++++++++++++++++++++++---------
 1 file changed, 25 insertions(+), 9 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 2046eba..200a494 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -724,15 +724,31 @@ fs_visitor::emit_shader_time_end()
    current_annotation = "shader time end";
 
    enum shader_time_shader_type type, written_type, reset_type;
-   if (dispatch_width == 8) {
-      type = ST_FS8;
-      written_type = ST_FS8_WRITTEN;
-      reset_type = ST_FS8_RESET;
-   } else {
-      assert(dispatch_width == 16);
-      type = ST_FS16;
-      written_type = ST_FS16_WRITTEN;
-      reset_type = ST_FS16_RESET;
+   switch (stage) {
+   case MESA_SHADER_VERTEX:
+      type = ST_VS;
+      written_type = ST_VS_WRITTEN;
+      reset_type = ST_VS_RESET;
+      break;
+   case MESA_SHADER_GEOMETRY:
+      type = ST_GS;
+      written_type = ST_GS_WRITTEN;
+      reset_type = ST_GS_RESET;
+      break;
+   case MESA_SHADER_FRAGMENT:
+      if (dispatch_width == 8) {
+         type = ST_FS8;
+         written_type = ST_FS8_WRITTEN;
+         reset_type = ST_FS8_RESET;
+      } else {
+         assert(dispatch_width == 16);
+         type = ST_FS16;
+         written_type = ST_FS16_WRITTEN;
+         reset_type = ST_FS16_RESET;
+      }
+      break;
+   default:
+      unreachable("fs_visitor::emit_shader_time_end missing code");
    }
 
    fs_reg shader_end_time = get_timestamp();