X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fprogram.h;h=cbb52cd4536e93bd0b2cd65c0f9868cfe946b1f5;hp=8cdfb6de44e561910b0f4e446d0d0095bab76b89;hb=9d1fa012a23693768bbe287371e97751c03acc50;hpb=9034e81679eeeaa3d1d5d643d3f924d9edb45a68

diff --git a/source/program.h b/source/program.h
index 8cdfb6de..cbb52cd4 100644
--- a/source/program.h
+++ b/source/program.h
@@ -1,18 +1,23 @@
 #ifndef MSP_GL_PROGRAM_H_
 #define MSP_GL_PROGRAM_H_
 
-#include <list>
 #include <string>
+#include <vector>
 #include <msp/datafile/objectloader.h>
 #include "bindable.h"
 #include "gl.h"
 #include "programbuilder.h"
+#include "vertexformat.h"
 
 namespace Msp {
 namespace GL {
 
 class Shader;
 
+/**
+A complete shader program.  Programs can be assembled of individual Shaders or
+generated with a set of standard features.
+*/
 class Program: public Bindable<Program>
 {
 public:
@@ -26,10 +31,12 @@ public:
 
 		void attribute(unsigned, const std::string &);
 		void fragment_shader(const std::string &);
+		void geometry_shader(const std::string &);
 		void standard();
 		void vertex_shader(const std::string &);
 	};
 
+	typedef unsigned LayoutHash;
 	struct UniformBlockInfo;
 
 	struct UniformInfo
@@ -47,12 +54,12 @@ public:
 	{
 		std::string name;
 		unsigned data_size;
-		unsigned bind_point;
+		int bind_point;
 		std::vector<const UniformInfo *> uniforms;
-		unsigned layout_hash;
+		LayoutHash layout_hash;
 	};
 
-	typedef std::list<Shader *> ShaderList;
+	typedef std::vector<Shader *> ShaderList;
 	typedef std::map<std::string, UniformInfo> UniformMap;
 	typedef std::map<std::string, UniformBlockInfo> UniformBlockMap;
 
@@ -63,12 +70,22 @@ private:
 	bool linked;
 	UniformBlockMap uniform_blocks;
 	UniformMap uniforms;
-	unsigned uniform_layout_hash;
+	LayoutHash uniform_layout_hash;
+	bool legacy_vars;
 
 public:
+	/// Constructs an empty Program with no Shaders attached.
 	Program();
+
+	/// 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 &);
+
 private:
 	void init();
 public:
@@ -77,25 +94,29 @@ public:
 	void attach_shader(Shader &shader);
 	void attach_shader_owned(Shader *shader);
 	void detach_shader(Shader &shader);
-	const ShaderList &get_shaders() const { return shaders; }
+	const ShaderList &get_attached_shaders() const { return shaders; }
 
 	void bind_attribute(unsigned, const std::string &);
+	void bind_attribute(VertexComponent, const std::string &);
+	void bind_fragment_data(unsigned, const std::string &);
 
 	void link();
 private:
-	static unsigned compute_layout_hash(const std::vector<const UniformInfo *> &);
+	static LayoutHash compute_layout_hash(const std::vector<const UniformInfo *> &);
 	static bool uniform_location_compare(const UniformInfo *, const UniformInfo *);
 public:
 	bool is_linked() const { return linked; }
 	std::string get_info_log() const;
 
-	unsigned get_uniform_layout_hash() const { return uniform_layout_hash; }
+	LayoutHash get_uniform_layout_hash() const { return uniform_layout_hash; }
 	const UniformBlockMap &get_uniform_blocks() const { return uniform_blocks; }
 	const UniformBlockInfo &get_uniform_block_info(const std::string &) const;
 	const UniformMap &get_uniforms() const { return uniforms; }
 	const UniformInfo &get_uniform_info(const std::string &) const;
 	int get_uniform_location(const std::string &) const;
 
+	bool uses_legacy_variables() const { return legacy_vars; }
+
 	void bind() const;
 	static void unbind();
 };