Merge branch 'master' into blender2.8

intern/cycles/app/cycles_cubin_cc.cpp

@@ -32,6 +32,15 @@
 using std::string;
 using std::vector;
 
+namespace std {
+	template<typename T>
+	std::string to_string(const T &n) {
+		std::ostringstream s;
+		s << n;
+		return s.str();
+	}
+}
+
 class CompilationSettings
 {
 public:
@@ -75,7 +84,7 @@ bool compile_cuda(CompilationSettings &settings)
 	for(size_t i = 0; i < settings.defines.size(); i++) {
 		options.push_back("-D" + settings.defines[i]);
 	}
-
+	options.push_back("-D__KERNEL_CUDA_VERSION__=" + std::to_string(cuewNvrtcVersion()));
 	options.push_back("-arch=compute_" + std::to_string(settings.target_arch));
 	options.push_back("--device-as-default-execution-space");
 	if(settings.fast_math)
@@ -150,9 +159,12 @@ bool link_ptxas(CompilationSettings &settings)
 					" --gpu-name sm_" + std::to_string(settings.target_arch) +
 					" -m" + std::to_string(settings.bits);
 
-	if(settings.verbose)
+	if (settings.verbose)
+	{
 		ptx += " --verbose";
-
+		printf(ptx.c_str());
+	}
+	
 	int pxresult = system(ptx.c_str());
 	if(pxresult) {
 		fprintf(stderr, "Error: ptxas failed (%x)\n\n", pxresult);

intern/cycles/kernel/kernel_compat_cuda.h

@@ -37,8 +37,8 @@ typedef unsigned long long uint64_t;
 typedef unsigned short half;
 typedef unsigned long long CUtexObject;
 
-#define FLT_MAX 1.175494350822287507969e-38f
-#define FLT_MIN 340282346638528859811704183484516925440.0f
+#define FLT_MIN 1.175494350822287507969e-38f
+#define FLT_MAX 340282346638528859811704183484516925440.0f
 
 __device__ half __float2half(const float f)
 {

source/blender/blenkernel/BKE_paint.h

@@ -214,7 +214,6 @@ typedef struct SculptSession {
 	/* Layer brush persistence between strokes */
 	float (*layer_co)[3]; /* Copy of the mesh vertices' locations */
 
-	struct SculptStroke *stroke;
 	struct StrokeCache *cache;
 
 	union {

source/blender/editors/util/ed_util.c

@@ -175,18 +175,22 @@ bool ED_editors_flush_edits(const bContext *C, bool for_render)
 	 * objects can exist at the same time */
 	for (ob = bmain->object.first; ob; ob = ob->id.next) {
 		if (ob->mode & OB_MODE_SCULPT) {
-			/* flush multires changes (for sculpt) */
-			multires_force_update(ob);
-			has_edited = true;
+			/* Don't allow flushing while in the middle of a stroke (frees data in use).
+			 * Auto-save prevents this from happening but scripts may cause a flush on saving: T53986. */
+			if ((ob->sculpt && ob->sculpt->cache) == 0) {
+				/* flush multires changes (for sculpt) */
+				multires_force_update(ob);
+				has_edited = true;
 
-			if (for_render) {
-				/* flush changes from dynamic topology sculpt */
-				BKE_sculptsession_bm_to_me_for_render(ob);
-			}
-			else {
-				/* Set reorder=false so that saving the file doesn't reorder
-				 * the BMesh's elements */
-				BKE_sculptsession_bm_to_me(ob, false);
+				if (for_render) {
+					/* flush changes from dynamic topology sculpt */
+					BKE_sculptsession_bm_to_me_for_render(ob);
+				}
+				else {
+					/* Set reorder=false so that saving the file doesn't reorder
+					 * the BMesh's elements */
+					BKE_sculptsession_bm_to_me(ob, false);
+				}
 			}
 		}
 		else if (ob->mode & OB_MODE_EDIT) {