From fa196218c247aba70dd7fb17178fa7474121acec Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Sat, 12 Nov 2016 02:25:49 +0200
Subject: [PATCH] Integrate ProgramCompiler with Program and Resources

---
 source/program.cpp   | 11 +++++++++++
 source/program.h     |  3 +++
 source/resources.cpp | 22 +++++++++++++++++++++-
 source/resources.h   |  2 ++
 4 files changed, 37 insertions(+), 1 deletion(-)

diff --git a/source/program.cpp b/source/program.cpp
index 82308b34..2d298e82 100644
--- a/source/program.cpp
+++ b/source/program.cpp
@@ -14,6 +14,7 @@
 #include "error.h"
 #include "misc.h"
 #include "program.h"
+#include "programcompiler.h"
 #include "shader.h"
 
 using namespace std;
@@ -35,6 +36,16 @@ Program::Program(const ProgramBuilder::StandardFeatures &features)
 	link();
 }
 
+Program::Program(const std::string &source)
+{
+	init();
+
+	ProgramCompiler compiler;
+	compiler.compile(source);
+	compiler.add_shaders(*this);
+	link();
+}
+
 Program::Program(const string &vert, const string &frag)
 {
 	init();
diff --git a/source/program.h b/source/program.h
index 53f060d2..a3fe57bf 100644
--- a/source/program.h
+++ b/source/program.h
@@ -80,6 +80,9 @@ public:
 	/// Constructs a Program with standard features.
 	Program(const ProgramBuilder::StandardFeatures &);
 
+	/// Constructs a Program from unified source code using ProgramCompiler.
+	Program(const std::string &);
+
 	/// Constructs a Program from vertex and fragment shader source code.
 	Program(const std::string &, const std::string &);
 
diff --git a/source/resources.cpp b/source/resources.cpp
index 68b8fd5b..bba69315 100644
--- a/source/resources.cpp
+++ b/source/resources.cpp
@@ -9,6 +9,7 @@
 #include "object.h"
 #include "pose.h"
 #include "program.h"
+#include "programcompiler.h"
 #include "resourcemanager.h"
 #include "resources.h"
 #include "technique.h"
@@ -35,7 +36,7 @@ Resources::Resources():
 	add_type<Mesh>().keyword("mesh").creator(&Resources::create_mesh);
 	add_type<Object>().keyword("object");
 	add_type<Pose>().keyword("pose");
-	add_type<Program>().keyword("shader");
+	add_type<Program>().keyword("shader").suffix(".glsl").creator(&Resources::create_program);
 	add_type<Technique>().suffix(".tech").keyword("technique");
 	add_type<Texture1D>().base<Texture>().suffix(".tex1d").keyword("texture1d");
 	add_type<Texture2D>().base<Texture>().suffix(".tex2d").suffix(".png").suffix(".jpg").keyword("texture2d").creator(&Resources::create_texture2d);
@@ -107,5 +108,24 @@ Texture2D *Resources::create_texture2d(const string &name)
 	return 0;
 }
 
+Program *Resources::create_program(const string &name)
+{
+	string ext = FS::extpart(name);
+	if(ext==".shader")
+		return 0;
+
+	if(RefPtr<IO::Seekable> io = open_from_sources(name))
+	{
+		ProgramCompiler compiler;
+		compiler.compile(*io);
+		RefPtr<Program> program = new Program;
+		compiler.add_shaders(*program);
+		program->link();
+		return program.release();
+	}
+
+	return 0;
+}
+
 } // namespace GL
 } // namespace Msp
diff --git a/source/resources.h b/source/resources.h
index e939f7ce..1f3880aa 100644
--- a/source/resources.h
+++ b/source/resources.h
@@ -8,6 +8,7 @@ namespace Msp {
 namespace GL {
 
 class Mesh;
+class Program;
 class ResourceManager;
 class Texture2D;
 
@@ -38,6 +39,7 @@ public:
 protected:
 	Mesh *create_mesh(const std::string &);
 	Texture2D *create_texture2d(const std::string &);
+	Program *create_program(const std::string &);
 };
 
 } // namespace GL
-- 
2.43.0