X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fprogram.h;h=a3fe57bfbece6c409cf7e967191e580a5fd5c5ac;hp=642bcf5e7755652734069e33d9df182a0e2fad96;hb=97b8f0d945474582c2213b70418d399e5641f0d5;hpb=2579be0c3bf50f060364b937e6b2446ea3547e4b

diff --git a/source/program.h b/source/program.h
index 642bcf5e..a3fe57bf 100644
--- a/source/program.h
+++ b/source/program.h
@@ -7,12 +7,17 @@
 #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
@@ -47,9 +54,9 @@ 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;
@@ -63,13 +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:
@@ -78,20 +94,21 @@ 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; }