X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fcore%2Fmodule.cpp;h=5475e434ac2636331c846a529bdf99fb508efb04;hb=d9c437291135255422c71918cd0cab8a735848af;hp=636fd13cf4a84cd623ce481b3231fb731e112b85;hpb=d8d4c2aeaf109ab7ba55888bef5364fe11b5b02d;p=libs%2Fgl.git

diff --git a/source/core/module.cpp b/source/core/module.cpp
index 636fd13c..5475e434 100644
--- a/source/core/module.cpp
+++ b/source/core/module.cpp
@@ -14,6 +14,7 @@ enum SpirVConstants
 	OP_NAME = 5,
 	OP_MEMBER_NAME = 6,
 	OP_ENTRY_POINT = 15,
+	OP_EXECUTION_MODE = 16,
 	OP_TYPE_VOID = 19,
 	OP_TYPE_BOOL = 20,
 	OP_TYPE_INT = 21,
@@ -237,6 +238,8 @@ void SpirVModule::reflect()
 	{
 		auto i = spec_indices.find(b.condition);
 		b.condition = (i!=spec_indices.end() ? &spec_constants[i->second] : 0);
+		if(b.condition)
+			specializable = true;
 
 		for(const Variable *&v: b.accessed_variables)
 		{
@@ -267,6 +270,8 @@ SpirVModule *SpirVModule::specialize(const map<string, int> &spec_values) const
 		}
 	}
 
+	for(const EntryPoint &e: entry_points)
+		flags[e.id] = 0;
 	for(const Variable &v: variables)
 		flags[v.id] = 0;
 	for(const InstructionBlock &b: blocks)
@@ -305,9 +310,10 @@ SpirVModule *SpirVModule::specialize(const map<string, int> &spec_values) const
 				unsigned start = new_code.size();
 				new_code.push_back(opcode);
 				new_code.push_back(*(op+1));
-				new_code.push_back(*(op+2));
+				unsigned func_id = *(op+2);
+				new_code.push_back(func_id);
 
-				unsigned i=3;
+				unsigned i = 3;
 				while(i<word_count)
 				{
 					unsigned word = *(op+i++);
@@ -316,17 +322,29 @@ SpirVModule *SpirVModule::specialize(const map<string, int> &spec_values) const
 						break;
 				}
 
+				unsigned var_count = 0;
 				for(; i<word_count; ++i)
 				{
 					unsigned id = *(op+i);
 					if(flags[id])
+					{
+						++var_count;
 						new_code.push_back(id);
+					}
 				}
 
-				new_code[start] |= (new_code.size()-start)<<16;
+				if(var_count)
+				{
+					flags[func_id] = 1;
+					new_code[start] |= (new_code.size()-start)<<16;
+				}
+				else
+					new_code.resize(start);
 
 				copy = false;
 			}
+			else if(opcode==OP_EXECUTION_MODE)
+				copy = flags[*(op+1)];
 			else if(opcode==OP_SPEC_CONSTANT_TRUE || opcode==OP_SPEC_CONSTANT_FALSE)
 			{
 				unsigned id = *(op+2);