Revision: 48800
          
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=48800
Author:   jbakker
Date:     2012-07-10 12:23:49 +0000 (Tue, 10 Jul 2012)
Log Message:
-----------
refactor node highlight code. New implementation will not write to
uninitialized memory. it happened when you delete a node that was being
executed. in the compostor

Modified Paths:
--------------
    trunk/blender/source/blender/compositor/COM_compositor.h
    trunk/blender/source/blender/compositor/intern/COM_WorkScheduler.cpp
    trunk/blender/source/blender/editors/space_node/CMakeLists.txt
    trunk/blender/source/blender/editors/space_node/SConscript
    trunk/blender/source/blender/editors/space_node/node_draw.c
    trunk/blender/source/blender/makesdna/DNA_node_types.h
    trunk/blender/source/blender/nodes/composite/node_composite_tree.c

Modified: trunk/blender/source/blender/compositor/COM_compositor.h
===================================================================
--- trunk/blender/source/blender/compositor/COM_compositor.h    2012-07-10 
11:01:25 UTC (rev 48799)
+++ trunk/blender/source/blender/compositor/COM_compositor.h    2012-07-10 
12:23:49 UTC (rev 48800)
@@ -299,6 +299,19 @@
  */
 void COM_execute(RenderData* rd, bNodeTree *editingtree, int rendering);
 
+/**
+ * @brief Return a list of highlighted bnodes pointers.
+ * @return 
+ */
+void COM_startReadHighlights();
+
+/**
+ * @brief check if a bnode is highlighted
+ * @param bnode
+ * @return 
+ */
+int COM_isHighlightedbNode(bNode* bnode);
+
 #ifdef __cplusplus
 }
 #endif

Modified: trunk/blender/source/blender/compositor/intern/COM_WorkScheduler.cpp
===================================================================
--- trunk/blender/source/blender/compositor/intern/COM_WorkScheduler.cpp        
2012-07-10 11:01:25 UTC (rev 48799)
+++ trunk/blender/source/blender/compositor/intern/COM_WorkScheduler.cpp        
2012-07-10 12:23:49 UTC (rev 48800)
@@ -66,6 +66,12 @@
 #endif
 #endif
 
+#define MAX_HIGHLIGHT 8
+extern "C" {
+int g_highlightIndex;
+void ** g_highlightedNodes;
+void ** g_highlightedNodesRead;
+
 #define HIGHLIGHT(wp) \
 { \
        ExecutionGroup* group = wp->getExecutionGroup(); \
@@ -77,15 +83,39 @@
                        bNode *node = complexOperation->getbNode(); \
                        if (node) { \
                                if (node->original) { \
-                                       node->original->highlight = 1;\
-                               } else {\
-                                       node->highlight = 1; \
+                                       node = node->original;\
                                }\
+                               if (g_highlightIndex < MAX_HIGHLIGHT) {\
+                                       g_highlightedNodes[g_highlightIndex++] 
= node;\
+                               }\
                        } \
                } \
        } \
 }
+void COM_startReadHighlights() {
+       if (g_highlightedNodesRead) {
+               delete g_highlightedNodesRead;
+       }
+       
+       g_highlightedNodesRead = g_highlightedNodes;
+       g_highlightedNodes = new void*[MAX_HIGHLIGHT];
+       g_highlightIndex = 0;
+       for (int i = 0 ; i < MAX_HIGHLIGHT; i++) {
+               g_highlightedNodes[i] = 0;
+       }
+}
 
+int COM_isHighlightedbNode(bNode* bnode) {
+       if (!g_highlightedNodesRead) return false;
+       for (int i = 0 ; i < MAX_HIGHLIGHT; i++) {
+               void* p = g_highlightedNodesRead[i];
+               if (!p) return false;
+               if (p == bnode) return true;
+       }
+       return false;
+}
+} // end extern "C"
+
 #if COM_CURRENT_THREADING_MODEL == COM_TM_QUEUE
 void *WorkScheduler::thread_execute_cpu(void *data)
 {
@@ -219,6 +249,9 @@
 
 void WorkScheduler::initialize()
 {
+       g_highlightedNodesRead = 0;
+       g_highlightedNodes = 0;
+       COM_startReadHighlights();
 #if COM_CURRENT_THREADING_MODEL == COM_TM_QUEUE
        int numberOfCPUThreads = BLI_system_thread_count();
 
@@ -313,3 +346,4 @@
 #endif
 #endif
 }
+

Modified: trunk/blender/source/blender/editors/space_node/CMakeLists.txt
===================================================================
--- trunk/blender/source/blender/editors/space_node/CMakeLists.txt      
2012-07-10 11:01:25 UTC (rev 48799)
+++ trunk/blender/source/blender/editors/space_node/CMakeLists.txt      
2012-07-10 12:23:49 UTC (rev 48800)
@@ -31,6 +31,7 @@
        ../../nodes
        ../../render/extern/include
        ../../windowmanager
+       ../../compositor
        ../../../../intern/guardedalloc
        ../../../../intern/opennl/extern
 )

Modified: trunk/blender/source/blender/editors/space_node/SConscript
===================================================================
--- trunk/blender/source/blender/editors/space_node/SConscript  2012-07-10 
11:01:25 UTC (rev 48799)
+++ trunk/blender/source/blender/editors/space_node/SConscript  2012-07-10 
12:23:49 UTC (rev 48800)
@@ -4,7 +4,7 @@
 sources = env.Glob('*.c')
 
 incs = '../include ../../blenfont ../../blenlib ../../blenkernel 
../../makesdna ../../makesrna ../../imbuf'
-incs += ' ../../nodes ../../render/extern/include ../../blenloader ../../gpu'
+incs += ' ../../nodes ../../render/extern/include ../../blenloader ../../gpu 
../../compositor'
 incs += ' ../../windowmanager #intern/guardedalloc #extern/glew/include'
 defs = []
 cf = []

Modified: trunk/blender/source/blender/editors/space_node/node_draw.c
===================================================================
--- trunk/blender/source/blender/editors/space_node/node_draw.c 2012-07-10 
11:01:25 UTC (rev 48799)
+++ trunk/blender/source/blender/editors/space_node/node_draw.c 2012-07-10 
12:23:49 UTC (rev 48800)
@@ -80,6 +80,7 @@
 #include "intern/node_util.h"
 
 #include "node_intern.h"
+#include "COM_compositor.h"
 
 /* width of socket columns in group display */
 #define NODE_GROUP_FRAME  120
@@ -726,9 +727,8 @@
                UI_ThemeColorBlend(color_id, TH_REDALERT, 0.5f);
 
        if (ntree->type == NTREE_COMPOSIT && (snode->flag & 
SNODE_SHOW_HIGHLIGHT)) {
-               if (node->highlight) {
+               if (COM_isHighlightedbNode(node)) {
                        UI_ThemeColorBlend(color_id, TH_ACTIVE, 0.5f);
-                       node->highlight = 0;
                }
        }
        uiSetRoundBox(UI_CNR_TOP_LEFT | UI_CNR_TOP_RIGHT);
@@ -893,9 +893,8 @@
                UI_ThemeColorBlend(color_id, TH_REDALERT, 0.5f);
 
        if (ntree->type == NTREE_COMPOSIT && (snode->flag & 
SNODE_SHOW_HIGHLIGHT)) {
-               if (node->highlight) {
+               if (COM_isHighlightedbNode(node)) {
                        UI_ThemeColorBlend(color_id, TH_ACTIVE, 0.5f);
-                       node->highlight = 0;
                }
        }
        
@@ -1133,6 +1132,7 @@
        
        if (snode->nodetree) {
                bNode *node;
+               void** highlights = 0;
                
                node_uiblocks_init(C, snode->nodetree);
                
@@ -1145,6 +1145,9 @@
                }
                
                node_update_nodetree(C, snode->nodetree, 0.0f, 0.0f);
+               if (snode->nodetree->type == NTREE_COMPOSIT) {
+                       COM_startReadHighlights();
+               } 
                node_draw_nodetree(C, ar, snode, snode->nodetree);
                
                #if 0

Modified: trunk/blender/source/blender/makesdna/DNA_node_types.h
===================================================================
--- trunk/blender/source/blender/makesdna/DNA_node_types.h      2012-07-10 
11:01:25 UTC (rev 48799)
+++ trunk/blender/source/blender/makesdna/DNA_node_types.h      2012-07-10 
12:23:49 UTC (rev 48800)
@@ -178,9 +178,7 @@
        char label[64];                 /* custom user-defined label, MAX_NAME 
*/
        short custom1, custom2; /* to be abused for buttons */
        float custom3, custom4;
-       int highlight;                  /* 0 = not highlighted, 1-N = 
highlighted*/
-       int pad;
-       
+
        short need_exec, exec;  /* need_exec is set as UI execution event, exec 
is flag during exec */
        void *threaddata;               /* optional extra storage for use in 
thread (read only then!) */
        rctf totr;                              /* entire boundbox */

Modified: trunk/blender/source/blender/nodes/composite/node_composite_tree.c
===================================================================
--- trunk/blender/source/blender/nodes/composite/node_composite_tree.c  
2012-07-10 11:01:25 UTC (rev 48799)
+++ trunk/blender/source/blender/nodes/composite/node_composite_tree.c  
2012-07-10 12:23:49 UTC (rev 48800)
@@ -61,7 +61,7 @@
 #include "node_composite_util.h"
 
 #ifdef WITH_COMPOSITOR
-#  include "COM_compositor.h"
+       #include "COM_compositor.h"
 #endif
 
 static void foreach_nodetree(Main *main, void *calldata, bNodeTreeCallback 
func)

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