X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglsl%2Fbuiltin.cpp;fp=source%2Fglsl%2Fbuiltin.cpp;h=7aecda3c244bbd31d028021687f1352bc9dd584e;hb=696a97bd7411d69953c1a9e4b5f3dfb4c1d848f1;hp=0000000000000000000000000000000000000000;hpb=c1ec86d6b9ceb6c71f787fed3b2ea6c75457a474;p=libs%2Fgl.git

diff --git a/source/glsl/builtin.cpp b/source/glsl/builtin.cpp
new file mode 100644
index 00000000..7aecda3c
--- /dev/null
+++ b/source/glsl/builtin.cpp
@@ -0,0 +1,62 @@
+#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()
+{
+	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;
+}
+
+Module &get_builtins_module()
+{
+	static RefPtr<Module> builtins_module = create_builtins_module();
+	return *builtins_module;
+}
+
+Stage *get_builtins(StageType type)
+{
+	Module &module = get_builtins_module();
+	for(list<Stage>::iterator i=module.stages.begin(); i!=module.stages.end(); ++i)
+		if(i->type==type)
+			return &*i;
+	return 0;
+}
+
+} // namespace SL
+} // namespace GL
+} // namespace Msp