Module: Mesa
Branch: master
Commit: ec5d502ec3215c7610bcff0be4418f698b2f36ab
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=ec5d502ec3215c7610bcff0be4418f698b2f36ab

Author: Kenneth Graunke <[email protected]>
Date:   Mon Feb 25 18:05:55 2013 -0800

i965: Remove brw_query_object::first_index field as it's always 0.

brw->query.index is initialized to 0 just a few lines before it's
copied to first_index.

Presumably the idea here was to reuse the query BO for subsequent
queries of the same type, but since that doesn't happen, there's no need
to have the extra code complexity.

Signed-off-by: Kenneth Graunke <[email protected]>

---

 src/mesa/drivers/dri/i965/brw_context.h  |    3 +--
 src/mesa/drivers/dri/i965/brw_queryobj.c |    6 ++----
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_context.h 
b/src/mesa/drivers/dri/i965/brw_context.h
index c974589..d6746bf 100644
--- a/src/mesa/drivers/dri/i965/brw_context.h
+++ b/src/mesa/drivers/dri/i965/brw_context.h
@@ -728,8 +728,7 @@ struct brw_query_object {
 
    /** Last query BO associated with this query. */
    drm_intel_bo *bo;
-   /** First index in bo with query data for this object. */
-   int first_index;
+
    /** Last index in bo with query data for this object. */
    int last_index;
 };
diff --git a/src/mesa/drivers/dri/i965/brw_queryobj.c 
b/src/mesa/drivers/dri/i965/brw_queryobj.c
index 8def39c..8893dd7 100644
--- a/src/mesa/drivers/dri/i965/brw_queryobj.c
+++ b/src/mesa/drivers/dri/i965/brw_queryobj.c
@@ -208,7 +208,7 @@ brw_queryobj_get_results(struct gl_context *ctx,
        * run out of space in the query's BO and allocated a new one.  If so,
        * this function was already called to accumulate the results so far.
        */
-      for (i = query->first_index; i <= query->last_index; i++) {
+      for (i = 0; i <= query->last_index; i++) {
         query->Base.Result += results[i * 2 + 1] - results[i * 2];
       }
       break;
@@ -218,7 +218,7 @@ brw_queryobj_get_results(struct gl_context *ctx,
       /* If the starting and ending PS_DEPTH_COUNT from any of the batches
        * differ, then some fragments passed the depth test.
        */
-      for (i = query->first_index; i <= query->last_index; i++) {
+      for (i = 0; i <= query->last_index; i++) {
         if (results[i * 2 + 1] != results[i * 2]) {
             query->Base.Result = GL_TRUE;
             break;
@@ -330,7 +330,6 @@ brw_begin_query(struct gl_context *ctx, struct 
gl_query_object *q)
        */
       drm_intel_bo_unreference(query->bo);
       query->bo = NULL;
-      query->first_index = -1;
       query->last_index = -1;
 
       brw->query.obj = query;
@@ -558,7 +557,6 @@ brw_emit_query_begin(struct brw_context *brw)
       }
       drm_intel_bo_reference(brw->query.bo);
       query->bo = brw->query.bo;
-      query->first_index = brw->query.index;
    }
    query->last_index = brw->query.index;
    brw->query.begin_emitted = true;

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