Revision: 55938
          
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=55938
Author:   jensverwiebe
Date:     2013-04-10 18:35:18 +0000 (Wed, 10 Apr 2013)
Log Message:
-----------
Add a gui control for setting omp threads in fluids

Modified Paths:
--------------
    trunk/blender/intern/elbeem/extern/elbeem.h
    trunk/blender/intern/elbeem/intern/simulation_object.cpp
    trunk/blender/release/scripts/startup/bl_ui/properties_physics_fluid.py
    trunk/blender/source/blender/editors/physics/physics_fluid.c
    trunk/blender/source/blender/makesdna/DNA_object_fluidsim.h
    trunk/blender/source/blender/makesrna/intern/rna_fluidsim.c
    trunk/blender/source/blender/modifiers/intern/MOD_fluidsim_util.c

Modified: trunk/blender/intern/elbeem/extern/elbeem.h
===================================================================
--- trunk/blender/intern/elbeem/extern/elbeem.h 2013-04-10 16:59:55 UTC (rev 
55937)
+++ trunk/blender/intern/elbeem/extern/elbeem.h 2013-04-10 18:35:18 UTC (rev 
55938)
@@ -99,6 +99,8 @@
        elbeemRunSimulationCallback runsimCallback;
        /* pointer passed to runsimCallback for user data storage */
        void* runsimUserData;
+       /* simulation threads used by omp */
+       int threads;
 
 } elbeemSimulationSettings;
 

Modified: trunk/blender/intern/elbeem/intern/simulation_object.cpp
===================================================================
--- trunk/blender/intern/elbeem/intern/simulation_object.cpp    2013-04-10 
16:59:55 UTC (rev 55937)
+++ trunk/blender/intern/elbeem/intern/simulation_object.cpp    2013-04-10 
18:35:18 UTC (rev 55938)
@@ -19,6 +19,10 @@
 #include "particletracer.h"
 #include "elbeem.h"
 
+#if PARALLEL==1
+#include <omp.h>
+#endif
+
 #ifdef _WIN32
 #else
 #include <sys/time.h>
@@ -173,6 +177,7 @@
                mpLbm->initDomainTrafo( mpElbeemSettings->surfaceTrafo );
                mpLbm->setSmoothing(1.0 * mpElbeemSettings->surfaceSmoothing, 
1.0 * mpElbeemSettings->surfaceSmoothing);
                mpLbm->setIsoSubdivs(mpElbeemSettings->surfaceSubdivs);
+               omp_set_num_threads(mpElbeemSettings->threads);
                mpLbm->setSizeX(mpElbeemSettings->resolutionxyz);
                mpLbm->setSizeY(mpElbeemSettings->resolutionxyz);
                mpLbm->setSizeZ(mpElbeemSettings->resolutionxyz);

Modified: 
trunk/blender/release/scripts/startup/bl_ui/properties_physics_fluid.py
===================================================================
--- trunk/blender/release/scripts/startup/bl_ui/properties_physics_fluid.py     
2013-04-10 16:59:55 UTC (rev 55937)
+++ trunk/blender/release/scripts/startup/bl_ui/properties_physics_fluid.py     
2013-04-10 18:35:18 UTC (rev 55938)
@@ -67,6 +67,7 @@
             # odd formatting here so translation script can extract string
             layout.operator("fluid.bake", text=iface_("Bake (Req. Memory: 
%s)") % fluid.memory_estimate,
                             translate=False, icon='MOD_FLUIDSIM')
+            layout.prop(fluid, "threads", text="Simulation Threads")
             split = layout.split()
 
             col = split.column()

Modified: trunk/blender/source/blender/editors/physics/physics_fluid.c
===================================================================
--- trunk/blender/source/blender/editors/physics/physics_fluid.c        
2013-04-10 16:59:55 UTC (rev 55937)
+++ trunk/blender/source/blender/editors/physics/physics_fluid.c        
2013-04-10 18:35:18 UTC (rev 55938)
@@ -994,7 +994,7 @@
        /* ******** export domain to elbeem ******** */
        elbeemResetSettings(fsset);
        fsset->version = 1;
-
+       fsset->threads = domainSettings->threads;
        // setup global settings
        copy_v3_v3(fsset->geoStart, domainSettings->bbStart);
        copy_v3_v3(fsset->geoSize, domainSettings->bbSize);

Modified: trunk/blender/source/blender/makesdna/DNA_object_fluidsim.h
===================================================================
--- trunk/blender/source/blender/makesdna/DNA_object_fluidsim.h 2013-04-10 
16:59:55 UTC (rev 55937)
+++ trunk/blender/source/blender/makesdna/DNA_object_fluidsim.h 2013-04-10 
18:35:18 UTC (rev 55938)
@@ -48,6 +48,9 @@
        
 typedef struct FluidsimSettings {
        struct FluidsimModifierData *fmd; /* for fast RNA access */
+       /* threadcont the calculation is done with */
+       int threads;
+       int pad1;
        /* domain, fluid or obstacle */
        short type;
        /* display advanced options in fluid sim tab (on=1, off=0)*/
@@ -75,7 +78,7 @@
        int bakeStart, bakeEnd;
        /* offset for baked frames */
        int frameOffset;
-       int pad;
+       int pad2;
        /* g star param (LBM compressibility) */
        float gstar;
        /* activate refinement? */

Modified: trunk/blender/source/blender/makesrna/intern/rna_fluidsim.c
===================================================================
--- trunk/blender/source/blender/makesrna/intern/rna_fluidsim.c 2013-04-10 
16:59:55 UTC (rev 55937)
+++ trunk/blender/source/blender/makesrna/intern/rna_fluidsim.c 2013-04-10 
18:35:18 UTC (rev 55938)
@@ -280,6 +280,11 @@
 
        /* standard settings */
 
+       prop = RNA_def_property(srna, "threads", PROP_INT, PROP_NONE);
+       RNA_def_property_int_sdna(prop, NULL, "threads");
+       RNA_def_property_range(prop, 1, 32);
+       RNA_def_property_ui_text(prop, "Simulation Threads", "Threads used to 
calculate the simulation");
+       
        prop = RNA_def_property(srna, "resolution", PROP_INT, PROP_NONE);
        RNA_def_property_int_sdna(prop, NULL, "resolutionxyz");
        RNA_def_property_range(prop, 1, 1024);

Modified: trunk/blender/source/blender/modifiers/intern/MOD_fluidsim_util.c
===================================================================
--- trunk/blender/source/blender/modifiers/intern/MOD_fluidsim_util.c   
2013-04-10 16:59:55 UTC (rev 55937)
+++ trunk/blender/source/blender/modifiers/intern/MOD_fluidsim_util.c   
2013-04-10 18:35:18 UTC (rev 55938)
@@ -75,6 +75,7 @@
                
                fss->fmd = fluidmd;
                fss->type = OB_FLUIDSIM_ENABLE;
+               fss->threads = 4;
                fss->show_advancedoptions = 0;
 
                fss->resolutionxyz = 65;

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