mesa: Change "BRIAN PAUL" to "THE AUTHORS" in license text.

[mesa.git] / src / mesa / tnl / t_pipeline.c

diff --git a/src/mesa/tnl/t_pipeline.c b/src/mesa/tnl/t_pipeline.c
index 18f095f0d4bfc3ef24ba346ab4f775e9945024ba..8bc87ea8a4fc1274857672255212ec91e96f6e0d 100644 (file)
--- a/src/mesa/tnl/t_pipeline.c
+++ b/src/mesa/tnl/t_pipeline.c
@@ -17,7 +17,7 @@
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
@@ -94,7 +94,7 @@ static GLuint check_output_changes( struct gl_context *ctx )
 #if 0
    TNLcontext *tnl = TNL_CONTEXT(ctx);
    
-   for (i = 0; i < VERT_RESULT_MAX; i++) {
+   for (i = 0; i < VARYING_SLOT_MAX; i++) {
       if (tnl->vb.ResultPtr[i]->size != tnl->last_result_size[i] ||
          tnl->vb.ResultPtr[i]->stride != tnl->last_result_stride[i]) {
         tnl->last_result_size[i] = tnl->vb.ResultPtr[i]->size;
@@ -146,7 +146,17 @@ void _tnl_run_pipeline( struct gl_context *ctx )
         _tnl_notify_pipeline_output_change( ctx );
    }
 
+#ifndef _OPENMP
+   /* Don't adjust FPU precision mode in case multiple threads are to be used.
+    * This would require that the additional threads also changed the FPU mode
+    * which is quite a mess as this had to be done in all parallelized sections;
+    * otherwise the master thread and all other threads are running in different
+    * modes, producing inconsistent results.
+    * Note that all x64 implementations don't define/use START_FAST_MATH, so
+    * this is "hack" is only used in i386 mode
+    */
    START_FAST_MATH(__tmp);
+#endif
 
    for (i = 0; i < tnl->pipeline.nr_stages ; i++) {
       struct tnl_pipeline_stage *s = &tnl->pipeline.stages[i];
@@ -154,7 +164,9 @@ void _tnl_run_pipeline( struct gl_context *ctx )
         break;
    }
 
+#ifndef _OPENMP
    END_FAST_MATH(__tmp);
+#endif
 }