[Bf-blender-cvs] [ebc267b] cycles_kernel_split: Add big-tile-handle logic in thread_run -> device_opencl.cpp

[varunsundar08]

Commit: ebc267bfefedd4b4a77d984576118d679870bcc0
Author: varunsundar08
Date:   Wed Apr 8 11:31:51 2015 +0530
Branches: cycles_kernel_split
https://developer.blender.org/rBebc267bfefedd4b4a77d984576118d679870bcc0

Add big-tile-handle logic in thread_run -> device_opencl.cpp

===================================================================

M       intern/cycles/device/device_opencl.cpp

===================================================================

diff --git a/intern/cycles/device/device_opencl.cpp 
b/intern/cycles/device/device_opencl.cpp
index 1fc765c..103f710 100644
--- a/intern/cycles/device/device_opencl.cpp
+++ b/intern/cycles/device/device_opencl.cpp
@@ -3716,6 +3716,7 @@ One possible tile size is %zux%zu \n", tile_max_x - 
local_size[0] , tile_max_y -
                                        : render_feasible_tile_size.y;
                        }
                }
+               return to_path_trace_rtile;
        }
 
        void thread_run(DeviceTask *task)
@@ -3738,8 +3739,21 @@ One possible tile size is %zux%zu \n", tile_max_x - 
local_size[0] , tile_max_y -
                                tile.rng_state_offset_x = 0;
                                tile.rng_state_offset_y = 0;
 
-                               /* The second argument is dummy */
-                               path_trace(tile, 0);
+                               size_t feasible_global_work_size = 
get_feasible_global_work_size(tile, 
CL_MEM_PTR(const_mem_map["__data"]->device_pointer));
+                               if (need_to_split_tile(tile.w, tile.h, 
feasible_global_work_size)) {
+                                       int2 render_feasible_tile_size = 
get_render_feasible_tile_size(feasible_global_work_size);
+                                       vector<RenderTile> 
to_path_trace_render_tiles = split_tiles(tile, render_feasible_tile_size);
+
+                                       /* Process all split tiles */
+                                       for (int tile_iter = 0; tile_iter < 
to_path_trace_render_tiles.size(); tile_iter++) {
+                                               
path_trace(to_path_trace_render_tiles[tile_iter], 0);
+                                       }
+                               }
+                               else {
+                                       /* No splitting required; process the 
entire tile at once */
+                                       /* The second argument is dummy */
+                                       path_trace(tile, 0);
+                               }
                                tile.sample = tile.start_sample + 
tile.num_samples;
 #else
                                int start_sample = tile.start_sample;

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