Differential D1630 Diff 5446 intern/cycles/render/osl.cpp

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intern/cycles/render/osl.cpp

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	void OSLCompiler::parameter_array(const char *name, const Transform tfm[], int arraylen)			void OSLCompiler::parameter_array(const char *name, const Transform tfm[], int arraylen)
	{			{
	OSL::ShadingSystem ss = (OSL::ShadingSystem)shadingsys;			OSL::ShadingSystem ss = (OSL::ShadingSystem)shadingsys;
	TypeDesc type = TypeDesc::TypeMatrix;			TypeDesc type = TypeDesc::TypeMatrix;
	type.arraylen = arraylen;			type.arraylen = arraylen;
	ss->Parameter(name, type, (const float *)tfm);			ss->Parameter(name, type, (const float *)tfm);
	}			}

	void OSLCompiler::find_dependencies(set<ShaderNode>& dependencies, ShaderInput input)			void OSLCompiler::find_dependencies(ShaderNodeSet& dependencies, ShaderInput *input)
	{			{
	ShaderNode *node = (input->link)? input->link->parent: NULL;			ShaderNode *node = (input->link)? input->link->parent: NULL;

	if(node) {			if(node) {
	foreach(ShaderInput *in, node->inputs)			foreach(ShaderInput *in, node->inputs)
	if(!node_skip_input(node, in))			if(!node_skip_input(node, in))
	find_dependencies(dependencies, in);			find_dependencies(dependencies, in);

	dependencies.insert(node);			dependencies.insert(node);
	}			}
	}			}

	void OSLCompiler::generate_nodes(const set<ShaderNode*>& nodes)			void OSLCompiler::generate_nodes(const ShaderNodeSet& nodes)
	{			{
	set<ShaderNode*> done;			ShaderNodeSet done;
	bool nodes_done;			bool nodes_done;

	do {			do {
	nodes_done = true;			nodes_done = true;

	foreach(ShaderNode *node, nodes) {			foreach(ShaderNode *node, nodes) {
	if(done.find(node) == done.end()) {			if(done.find(node) == done.end()) {
	bool inputs_done = true;			bool inputs_done = true;
	Show All 34 Lines
	{			{
	OSL::ShadingSystem ss = (OSL::ShadingSystem)shadingsys;			OSL::ShadingSystem ss = (OSL::ShadingSystem)shadingsys;

	current_type = type;			current_type = type;

	OSL::ShadingAttribStateRef group = ss->ShaderGroupBegin(shader->name.c_str());			OSL::ShadingAttribStateRef group = ss->ShaderGroupBegin(shader->name.c_str());

	ShaderNode *output = graph->output();			ShaderNode *output = graph->output();
	set<ShaderNode*> dependencies;			ShaderNodeSet dependencies;

	if(type == SHADER_TYPE_SURFACE) {			if(type == SHADER_TYPE_SURFACE) {
	/* generate surface shader */			/* generate surface shader */
	find_dependencies(dependencies, output->input("Surface"));			find_dependencies(dependencies, output->input("Surface"));
	generate_nodes(dependencies);			generate_nodes(dependencies);
	output->compile(*this);			output->compile(*this);
	}			}
	else if(type == SHADER_TYPE_VOLUME) {			else if(type == SHADER_TYPE_VOLUME) {
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