KonstantinSeurer
/
mesa
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

r600g: Implement asyncronous query results.

This commit is contained in:
Mathias Fröhlich 2011-01-23 22:16:56 +01:00 committed by Alex Deucher
parent b55fd961e1
commit e7ec532735
1 changed files with 13 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
src/gallium/winsys/r600/drm/r600_hw_context.c
View File

@ -1247,13 +1247,19 @@ out_err:
bof_decref(root);
}
static void r600_query_result(struct r600_context *ctx, struct r600_query *query)
static boolean r600_query_result(struct r600_context *ctx, struct r600_query *query, boolean wait)
{
u64 start, end;
u32 *results;
int i;
results = r600_bo_map(ctx->radeon, query->buffer, 0, NULL);
if (wait)
results = r600_bo_map(ctx->radeon, query->buffer, PB_USAGE_CPU_READ, NULL);
else
results = r600_bo_map(ctx->radeon, query->buffer, PB_USAGE_DONTBLOCK | PB_USAGE_CPU_READ, NULL);
if (!results)
return FALSE;
for (i = 0; i < query->num_results; i += 4) {
start = (u64)results[i] | (u64)results[i + 1] << 32;
end = (u64)results[i + 2] | (u64)results[i + 3] << 32;
@ -1263,6 +1269,8 @@ static void r600_query_result(struct r600_context *ctx, struct r600_query *query
}
r600_bo_unmap(ctx->radeon, query->buffer);
query->num_results = 0;
return TRUE;
}
void r600_query_begin(struct r600_context *ctx, struct r600_query *query)
@ -1276,7 +1284,7 @@ void r600_query_begin(struct r600_context *ctx, struct r600_query *query)
/* if query buffer is full force a flush */
if (query->num_results*4 >= query->buffer_size - 16) {
r600_context_flush(ctx);
r600_query_result(ctx, query);
r600_query_result(ctx, query, TRUE);
}
/* emit begin query */
@ -1356,7 +1364,8 @@ boolean r600_context_query_result(struct r600_context *ctx,
if (query->num_results) {
r600_context_flush(ctx);
}
r600_query_result(ctx, query);
if (!r600_query_result(ctx, query, wait))
return FALSE;
*result = query->result;
query->result = 0;
return TRUE;