Merge branch 'master' into 28

intern/cycles/device/device_cuda.cpp

@@ -1613,10 +1613,23 @@ int2 CUDASplitKernel::split_kernel_local_size()
 	return make_int2(32, 1);
 }
 
-int2 CUDASplitKernel::split_kernel_global_size(device_memory& /*kg*/, device_memory& /*data*/, DeviceTask * /*task*/)
+int2 CUDASplitKernel::split_kernel_global_size(device_memory& kg, device_memory& data, DeviceTask * /*task*/)
 {
-	/* TODO(mai): implement something here to detect ideal work size */
-	return make_int2(256, 256);
+	size_t free;
+	size_t total;
+
+	device->cuda_push_context();
+	cuda_assert(cuMemGetInfo(&free, &total));
+	device->cuda_pop_context();
+
+	VLOG(1) << "Maximum device allocation size: "
+	        << string_human_readable_number(free) << " bytes. ("
+	        << string_human_readable_size(free) << ").";
+
+	size_t num_elements = max_elements_for_max_buffer_size(kg, data, free / 2);
+	int2 global_size = make_int2(round_down((int)sqrt(num_elements), 32), (int)sqrt(num_elements));
+	VLOG(1) << "Global size: " << global_size << ".";
+	return global_size;
 }
 
 bool device_cuda_init(void)

intern/cycles/device/device_split_kernel.cpp

@@ -128,26 +128,27 @@ bool DeviceSplitKernel::path_trace(DeviceTask *task,
 		local_size[1] = lsize[1];
 	}
 
-	/* Set gloabl size */
-	size_t global_size[2];
-	{
-		int2 gsize = split_kernel_global_size(kgbuffer, kernel_data, task);
-
-		/* Make sure that set work size is a multiple of local
-		 * work size dimensions.
-		 */
-		global_size[0] = round_up(gsize[0], local_size[0]);
-		global_size[1] = round_up(gsize[1], local_size[1]);
-	}
-
 	/* Number of elements in the global state buffer */
 	int num_global_elements = global_size[0] * global_size[1];
-	assert(num_global_elements % WORK_POOL_SIZE == 0);
 
 	/* Allocate all required global memory once. */
 	if(first_tile) {
 		first_tile = false;
 
+		/* Set gloabl size */
+		{
+			int2 gsize = split_kernel_global_size(kgbuffer, kernel_data, task);
+
+			/* Make sure that set work size is a multiple of local
+			 * work size dimensions.
+			 */
+			global_size[0] = round_up(gsize[0], local_size[0]);
+			global_size[1] = round_up(gsize[1], local_size[1]);
+		}
+
+		num_global_elements = global_size[0] * global_size[1];
+		assert(num_global_elements % WORK_POOL_SIZE == 0);
+
 		/* Calculate max groups */
 
 		/* Denotes the maximum work groups possible w.r.t. current requested tile size. */

intern/cycles/device/device_split_kernel.h

@@ -95,6 +95,9 @@ private:
 	/* Marked True in constructor and marked false at the end of path_trace(). */
 	bool first_tile;
 
+	/* Cached global size */
+	size_t global_size[2];
+
 public:
 	explicit DeviceSplitKernel(Device* device);
 	virtual ~DeviceSplitKernel();

source/blender/editors/interface/interface_layout.c

@@ -1274,7 +1274,8 @@ static void ui_item_rna_size(
 	if (!w) {
 		if (type == PROP_ENUM && icon_only) {
 			w = ui_text_icon_width(layout, "", ICON_BLANK1, 0);
-			w += 0.6f * UI_UNIT_X;
+			if (index != RNA_ENUM_VALUE)
+				w += 0.6f * UI_UNIT_X;
 		}
 		else {
 			w = ui_text_icon_width(layout, name, icon, 0);

source/blender/makesdna/DNA_meshdata_types.h

@@ -164,8 +164,8 @@ typedef struct MLoop {
  *     MEdge *ed = &medge[mloop[lt->tri[j]].e];
  *     unsigned int tri_edge[2]  = {mloop[lt->tri[j]].v, mloop[lt->tri[j_next]].v};
  *
- *     if (ELEM(ed->v1, tri_edge[0], tri_edge[1]) &&
- *         ELEM(ed->v2, tri_edge[0], tri_edge[1]))
+ *     if (((ed->v1 == tri_edge[0]) && (ed->v1 == tri_edge[1])) ||
+ *         ((ed->v1 == tri_edge[1]) && (ed->v1 == tri_edge[0])))
  *     {
  *         printf("real edge found %u %u\n", tri_edge[0], tri_edge[1]);
  *     }

source/blender/makesrna/intern/makesrna.c

@@ -507,7 +507,7 @@ static void rna_float_print(FILE *f, float num)
 {
 	if (num == -FLT_MAX) fprintf(f, "-FLT_MAX");
 	else if (num == FLT_MAX) fprintf(f, "FLT_MAX");
-	else if ((int64_t)num == num) fprintf(f, "%.1ff", num);
+	else if ((ABS(num) < INT64_MAX) && ((int64_t)num == num)) fprintf(f, "%.1ff", num);
 	else fprintf(f, "%.10ff", num);
 }