X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglsl%2Fspirv.cpp;h=20345e20ae0760de48e4bbea923e89fea7d9356b;hb=3fe1aab63922eec99d8bf6fd4fd60bec10df173c;hp=16168a8cb8725671197bf39567d276992e6c5695;hpb=6f06479b765946bdd3174b2c05e7a1dda24c31c2;p=libs%2Fgl.git

diff --git a/source/glsl/spirv.cpp b/source/glsl/spirv.cpp
index 16168a8c..20345e20 100644
--- a/source/glsl/spirv.cpp
+++ b/source/glsl/spirv.cpp
@@ -518,8 +518,15 @@ void SpirVGenerator::visit(VariableReference &var)
 	r_constant_result = false;
 	if(composite_access)
 	{
-		r_composite_base = var.declaration;
 		r_expression_result_id = 0;
+		if(!assignment_source_id)
+		{
+			auto i = variable_load_ids.find(var.declaration);
+			if(i!=variable_load_ids.end())
+				r_expression_result_id = i->second;
+		}
+		if(!r_expression_result_id)
+			r_composite_base = var.declaration;
 	}
 	else if(assignment_source_id)
 	{
@@ -683,6 +690,9 @@ void SpirVGenerator::visit(Swizzle &swizzle)
 
 void SpirVGenerator::visit(UnaryExpression &unary)
 {
+	if(composite_access)
+		return visit_isolated(unary);
+
 	unary.expression->visit(*this);
 
 	char oper = unary.oper->token[0];
@@ -767,6 +777,8 @@ void SpirVGenerator::visit(BinaryExpression &binary)
 		visit_isolated(*binary.right);
 		return visit_composite(*binary.left, 0x400000|r_expression_result_id, *binary.type);
 	}
+	else if(composite_access)
+		return visit_isolated(binary);
 
 	if(assignment_source_id)
 		throw internal_error("invalid binary expression in assignment target");
@@ -991,6 +1003,8 @@ void SpirVGenerator::visit(Assignment &assign)
 
 void SpirVGenerator::visit(TernaryExpression &ternary)
 {
+	if(composite_access)
+		return visit_isolated(ternary);
 	if(constant_expression)
 	{
 		ternary.condition->visit(*this);
@@ -1021,11 +1035,13 @@ void SpirVGenerator::visit(TernaryExpression &ternary)
 	writer.write_op_label(true_label_id);
 	ternary.true_expr->visit(*this);
 	Id true_result_id = r_expression_result_id;
+	true_label_id = writer.get_current_block();
 	writer.write_op(content.function_body, OP_BRANCH, merge_block_id);
 
 	writer.write_op_label(false_label_id);
 	ternary.false_expr->visit(*this);
 	Id false_result_id = r_expression_result_id;
+	false_label_id = writer.get_current_block();
 
 	writer.write_op_label(merge_block_id);
 	r_expression_result_id = begin_expression(OP_PHI, get_id(*ternary.type), 4);
@@ -1646,6 +1662,11 @@ void SpirVGenerator::visit(VariableDeclaration &var)
 					writer.write_op_decorate(var_id, DECO_BINDING, q.value);
 			}
 		}
+		if(!var.name.compare(0, 3, "gl_"))
+		{
+			BuiltinSemantic semantic = get_builtin_semantic(var.name);
+			writer.write_op_decorate(var_id, DECO_BUILTIN, semantic);
+		}
 
 		if(init_id && current_function)
 		{
@@ -1659,7 +1680,16 @@ void SpirVGenerator::visit(VariableDeclaration &var)
 
 void SpirVGenerator::visit(InterfaceBlock &iface)
 {
-	StorageClass storage = get_interface_storage(iface.interface, true);
+	const vector<Layout::Qualifier> *layout_ql = (iface.layout ? &iface.layout->qualifiers : 0);
+
+	bool push_const = false;
+	if(layout_ql)
+	{
+		auto i = find_member(*layout_ql, string("push_constant"), &Layout::Qualifier::name);
+		push_const = (i!=layout_ql->end());
+	}
+
+	StorageClass storage = (push_const ? STORAGE_PUSH_CONSTANT : get_interface_storage(iface.interface, true));
 	Id type_id;
 	if(iface.array)
 		type_id = get_array_type_id(*iface.struct_declaration, 0);
@@ -1685,11 +1715,15 @@ void SpirVGenerator::visit(InterfaceBlock &iface)
 
 	writer.write_op(content.globals, OP_VARIABLE, ptr_type_id, block_id, storage);
 
-	if(iface.layout)
+	if(layout_ql)
 	{
-		auto i = find_member(iface.layout->qualifiers, string("binding"), &Layout::Qualifier::name);
-		if(i!=iface.layout->qualifiers.end())
-			writer.write_op_decorate(block_id, DECO_BINDING, i->value);
+		for(const Layout::Qualifier &q: *layout_ql)
+		{
+			if(q.name=="set")
+				writer.write_op_decorate(block_id, DECO_DESCRIPTOR_SET, q.value);
+			else if(q.name=="binding")
+				writer.write_op_decorate(block_id, DECO_BINDING, q.value);
+		}
 	}
 }
 
@@ -1803,11 +1837,12 @@ void SpirVGenerator::visit(FunctionDeclaration &func)
 		variable_load_ids[func.parameters[i].get()] = param_id;
 	}
 
+	reachable = true;
 	writer.begin_function_body(next_id++);
 	SetForScope<FunctionDeclaration *> set_func(current_function, &func);
 	func.body.visit(*this);
 
-	if(writer.has_current_block())
+	if(writer.get_current_block())
 	{
 		if(!reachable)
 			writer.write_op(content.function_body, OP_UNREACHABLE);
@@ -1834,9 +1869,11 @@ void SpirVGenerator::visit(Conditional &cond)
 	writer.write_op(content.function_body, OP_SELECTION_MERGE, merge_block_id, 0);  // Selection control (none)
 	writer.write_op(content.function_body, OP_BRANCH_CONDITIONAL, r_expression_result_id, true_label_id, false_label_id);
 
+	std::map<const VariableDeclaration *, Id> saved_load_ids = variable_load_ids;
+
 	writer.write_op_label(true_label_id);
 	cond.body.visit(*this);
-	if(writer.has_current_block())
+	if(writer.get_current_block())
 		writer.write_op(content.function_body, OP_BRANCH, merge_block_id);
 
 	bool reachable_if_true = reachable;
@@ -1844,6 +1881,7 @@ void SpirVGenerator::visit(Conditional &cond)
 	reachable = true;
 	if(!cond.else_body.body.empty())
 	{
+		swap(saved_load_ids, variable_load_ids);
 		writer.write_op_label(false_label_id);
 		cond.else_body.visit(*this);
 		reachable |= reachable_if_true;
@@ -1858,8 +1896,9 @@ void SpirVGenerator::visit(Iteration &iter)
 	if(iter.init_statement)
 		iter.init_statement->visit(*this);
 
-	for(VariableDeclaration *v: AssignmentCollector().apply(iter))
-		variable_load_ids.erase(v);
+	for(Node *n: AssignmentCollector().apply(iter))
+		if(VariableDeclaration *var = dynamic_cast<VariableDeclaration *>(n))
+			variable_load_ids.erase(var);
 
 	Id header_id = next_id++;
 	Id continue_id = next_id++;