X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fcore%2Funiformblock.h;h=5a037edb4b5e53323e32bddf7a1fbf44f4353581;hp=c8b8d36a3d8e2deceaf8881d5dbb83ec0ae1f825;hb=492325880c47450f50dcdebdcb336b37230ef867;hpb=ba1427f10d574ff8c4dafc4b8673452b19308ca2

diff --git a/source/core/uniformblock.h b/source/core/uniformblock.h
index c8b8d36a..5a037edb 100644
--- a/source/core/uniformblock.h
+++ b/source/core/uniformblock.h
@@ -19,20 +19,45 @@ struct Color;
 Stores uniforms with a specific layout.  Both named and default uniform blocks
 are supported.
 */
-class UniformBlock: public Bufferable
+class UniformBlock: public NonCopyable
+{
+protected:
+	UniformBlock() { }
+public:
+	virtual ~UniformBlock() { }
+
+	virtual void attach(const Program::UniformInfo &, const Uniform &) = 0;
+	virtual void apply(int) const = 0;
+};
+
+/** Stores uniforms for the default uniform block.  Uniforms are associated
+with locations, as returned by Program::get_uniform_location. */
+class DefaultUniformBlock: public UniformBlock
 {
 private:
 	std::map<int, const Uniform *> uniforms;
+
+public:
+	DefaultUniformBlock();
+
+	virtual void attach(const Program::UniformInfo &, const Uniform &);
+	void attach(int, const Uniform &);
+	virtual void apply(int) const;
+};
+
+/** Stores uniforms for a buffer-backed uniform block.  Uniform values are
+stored in a memory block which can be uploaded into a buffer and bound for use
+by a Program. */
+class BufferBackedUniformBlock: public UniformBlock, public Bufferable
+{
+private:
 	unsigned size;
 	std::vector<char> data;
 	mutable BufferRange *buf_range;
 
-	UniformBlock(const UniformBlock &);
-	UniformBlock &operator=(const UniformBlock &);
 public:
-	UniformBlock();
-	UniformBlock(unsigned);
-	~UniformBlock();
+	BufferBackedUniformBlock(unsigned);
+	virtual ~BufferBackedUniformBlock();
 
 private:
 	virtual unsigned get_data_size() const { return size; }
@@ -41,10 +66,8 @@ private:
 	virtual void location_changed(Buffer *, unsigned, unsigned) const;
 
 public:
-	void attach(int, const Uniform &);
 	void attach(const Program::UniformInfo &, const Uniform &);
-
-	void apply(int) const;
+	virtual void apply(int) const;
 };
 
 } // namespace GL