X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fprogramdata.h;h=cf642e6141222d3033d80bc6d92e50ff6c99e863;hb=3cdcc7f689b3868dd275774b9bd9adb5c436f244;hp=d74017b50ba237965f4aea15e9a8f295ca7e29f7;hpb=0070eec93efbf27bcc70720141d8730b059eb964;p=libs%2Fgl.git

diff --git a/source/programdata.h b/source/programdata.h
index d74017b5..cf642e61 100644
--- a/source/programdata.h
+++ b/source/programdata.h
@@ -3,13 +3,14 @@
 
 #include <map>
 #include <msp/datafile/objectloader.h>
+#include "program.h"
 
 namespace Msp {
 namespace GL {
 
+class Buffer;
 class Color;
 class Matrix;
-class Program;
 class Uniform;
 class UniformBlock;
 class Vector3;
@@ -34,10 +35,18 @@ public:
 	};
 
 private:
+	enum Changes
+	{
+		NO_CHANGES,
+		VALUES_CHANGED,
+		KEYS_CHANGED
+	};
+
 	struct Block
 	{
-		bool dirty;
+		Changes changes;
 		UniformBlock *block;
+		std::map<unsigned, const Uniform *const *> uniforms;
 
 		Block();
 	};
@@ -45,9 +54,12 @@ private:
 	typedef std::map<std::string, Uniform *> UniformMap;
 	typedef std::map<unsigned, Block> BlockMap;
 
+	// XXX All these mutables are a bit silly, but I'm out of better ideas
 	UniformMap uniforms;
 	mutable BlockMap blocks;
-	mutable bool modified;
+	mutable UniformBlock *last_block;
+	mutable Buffer *buffer;
+	mutable Changes changes;
 
 	ProgramData &operator=(const ProgramData &);
 public:
@@ -77,7 +89,12 @@ public:
 	void uniform4_array(const std::string &, unsigned, const float *);
 	void uniform_matrix4_array(const std::string &, unsigned, const float *);
 
-	const UniformBlock &get_block(const Program &) const;
+private:
+	void find_uniforms_for_block(Block &, const Program::UniformBlockInfo &) const;
+	UniformBlock *create_block(const Program::UniformBlockInfo &) const;
+	const UniformBlock *get_block(const Program &, const Program::UniformBlockInfo *) const;
+public:
+	const UniformBlock *get_block(const Program &, const std::string &) const;
 
 	void apply() const;
 };