X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglsl%2Fbuiltin.cpp;h=12602707db80ca5043b6582f5b6917422cb2f477;hb=91e65bc9e24a6889995081035f6f6f0a78a6c20e;hp=7aecda3c244bbd31d028021687f1352bc9dd584e;hpb=696a97bd7411d69953c1a9e4b5f3dfb4c1d848f1;p=libs%2Fgl.git

diff --git a/source/glsl/builtin.cpp b/source/glsl/builtin.cpp
index 7aecda3c..12602707 100644
--- a/source/glsl/builtin.cpp
+++ b/source/glsl/builtin.cpp
@@ -1,57 +1,92 @@
+#include <msp/gl/resources.h>
+#include <msp/io/seekable.h>
 #include "builtin.h"
-#include "generate.h"
 #include "parser.h"
 
 using namespace std;
 
-namespace {
-
-const char builtins_src[] =
-	"#pragma MSP stage(vertex)\n"
-	"out gl_PerVertex {\n"
-	"  vec4 gl_Position;\n"
-	"  float gl_ClipDistance[];\n"
-	"};\n"
-	"#pragma MSP stage(geometry)\n"
-	"in gl_PerVertex {\n"
-	"  vec4 gl_Position;\n"
-	"  float gl_ClipDistance[];\n"
-	"} gl_in[];\n"
-	"out gl_PerVertex {\n"
-	"  vec4 gl_Position;\n"
-	"  float gl_ClipDistance[];\n"
-	"};\n";
-
-}
-
 namespace Msp {
 namespace GL {
 namespace SL {
 
-Module *create_builtins_module()
+void populate_types(Stage &stage)
 {
-	Parser parser;
-	Module *module = new Module(parser.parse(builtins_src, "<builtin>"));
-	for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
-	{
-		VariableResolver resolver;
-		i->content.visit(resolver);
-		for(map<string, VariableDeclaration *>::iterator j=i->content.variables.begin(); j!=i->content.variables.end(); ++j)
-			j->second->linked_declaration = j->second;
-	}
-	return module;
+	for(NodeList<Statement>::const_iterator i=stage.content.body.begin(); i!=stage.content.body.end(); ++i)
+		if(TypeDeclaration *type = dynamic_cast<TypeDeclaration *>(i->get()))
+			stage.types[type->name] = type;
 }
 
-Module &get_builtins_module()
+Module *get_builtins_module()
 {
-	static RefPtr<Module> builtins_module = create_builtins_module();
-	return *builtins_module;
+	static RefPtr<Module> builtins_module;
+	static bool initialized = false;
+	if(!initialized)
+	{
+		initialized = true;
+
+		RefPtr<IO::Seekable> io = Resources::get_builtins().open("_builtin.glsl");
+		if(!io)
+			return 0;
+
+		Parser parser;
+		Module *module = new Module(parser.parse(*io, "<builtin>", BUILTIN_SOURCE));
+
+		NodeList<Statement> &shared_body = module->shared.content.body;
+		NodeList<Statement>::iterator insert_point = shared_body.begin();
+
+		RefPtr<BasicTypeDeclaration> type = new BasicTypeDeclaration;
+		type->source = BUILTIN_SOURCE;
+		type->name = "void";
+		type->kind = BasicTypeDeclaration::VOID;
+		shared_body.insert(insert_point, type);
+
+		type = new BasicTypeDeclaration;
+		type->source = BUILTIN_SOURCE;
+		type->name = "bool";
+		type->size = 1;
+		type->kind = BasicTypeDeclaration::BOOL;
+		shared_body.insert(insert_point, type);
+
+		type = new BasicTypeDeclaration;
+		type->source = BUILTIN_SOURCE;
+		type->name = "int";
+		type->size = 32;
+		type->kind = BasicTypeDeclaration::INT;
+		shared_body.insert(insert_point, type);
+
+		type = new BasicTypeDeclaration;
+		type->source = BUILTIN_SOURCE;
+		type->name = "uint";
+		type->size = 32;
+		type->sign = false;
+		type->kind = BasicTypeDeclaration::INT;
+		shared_body.insert(insert_point, type);
+
+		type = new BasicTypeDeclaration;
+		type->source = BUILTIN_SOURCE;
+		type->name = "float";
+		type->size = 32;
+		type->kind = BasicTypeDeclaration::FLOAT;
+		shared_body.insert(insert_point, type);
+
+		populate_types(module->shared);
+		for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
+			populate_types(*i);
+
+		builtins_module = module;
+	}
+	return builtins_module.get();
 }
 
-Stage *get_builtins(StageType type)
+const Stage *get_builtins(Stage::Type type)
 {
-	Module &module = get_builtins_module();
-	for(list<Stage>::iterator i=module.stages.begin(); i!=module.stages.end(); ++i)
+	Module *module = get_builtins_module();
+	if(!module)
+		return 0;
+
+	if(type==Stage::SHARED)
+		return &module->shared;
+	for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
 		if(i->type==type)
 			return &*i;
 	return 0;