Mesa (master): i965: Stop throwing away our double precision for time calculations.

[Eric Anholt]

Module: Mesa
Branch: master
Commit: c2ebbe2728cd709029313f4b9c9cc53432c510a1
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=c2ebbe2728cd709029313f4b9c9cc53432c510a1

Author: Eric Anholt <eric at anholt.net>
Date:   Thu Feb 20 14:54:29 2014 -0800

i965: Stop throwing away our double precision for time calculations.

Fixes negative times being reported in our perf debug.

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

---

 src/mesa/drivers/dri/i965/brw_fs.cpp             |    2 +-
 src/mesa/drivers/dri/i965/brw_vec4.cpp           |    2 +-
 src/mesa/drivers/dri/i965/intel_buffer_objects.c |    4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 65f2c80..ce8a515 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -3506,7 +3506,7 @@ brw_wm_fs_emit(struct brw_context *brw, struct brw_wm_compile *c,
                unsigned *final_assembly_size)
 {
    bool start_busy = false;
-   float start_time = 0;
+   double start_time = 0;
 
    if (unlikely(brw->perf_debug)) {
       start_busy = (brw->batch.last_bo &&
diff --git a/src/mesa/drivers/dri/i965/brw_vec4.cpp b/src/mesa/drivers/dri/i965/brw_vec4.cpp
index fbf7fb9..3c9631f 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4.cpp
@@ -1651,7 +1651,7 @@ brw_vs_emit(struct brw_context *brw,
             unsigned *final_assembly_size)
 {
    bool start_busy = false;
-   float start_time = 0;
+   double start_time = 0;
 
    if (unlikely(brw->perf_debug)) {
       start_busy = (brw->batch.last_bo &&
diff --git a/src/mesa/drivers/dri/i965/intel_buffer_objects.c b/src/mesa/drivers/dri/i965/intel_buffer_objects.c
index a493c3b..d286a9f 100644
--- a/src/mesa/drivers/dri/i965/intel_buffer_objects.c
+++ b/src/mesa/drivers/dri/i965/intel_buffer_objects.c
@@ -55,7 +55,7 @@ brw_bo_map(struct brw_context *brw,
    if (likely(!brw->perf_debug) || !drm_intel_bo_busy(bo))
       return drm_intel_bo_map(bo, write_enable);
 
-   float start_time = get_time();
+   double start_time = get_time();
 
    int ret = drm_intel_bo_map(bo, write_enable);
 
@@ -71,7 +71,7 @@ brw_bo_map_gtt(struct brw_context *brw, drm_intel_bo *bo, const char *bo_name)
    if (likely(!brw->perf_debug) || !drm_intel_bo_busy(bo))
       return drm_intel_gem_bo_map_gtt(bo);
 
-   float start_time = get_time();
+   double start_time = get_time();
 
    int ret = drm_intel_gem_bo_map_gtt(bo);