From: Mikko Rasa <tdb@tdb.fi>
Date: Thu, 30 Aug 2012 21:45:21 +0000 (+0300)
Subject: Shuffle the members of VertexArray into a sensible order
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=b392a49f4079cd3db859f9eaa51f651115a09c1d;p=libs%2Fgl.git

Shuffle the members of VertexArray into a sensible order
---

diff --git a/source/vertexarray.cpp b/source/vertexarray.cpp
index 13816a13..6e39930e 100644
--- a/source/vertexarray.cpp
+++ b/source/vertexarray.cpp
@@ -22,6 +22,27 @@ VertexArray::VertexArray(const VertexFormat &f):
 VertexArray::~VertexArray()
 { }
 
+void VertexArray::reset(const VertexFormat &f)
+{
+	clear();
+	format = f;
+	stride = get_stride(format);
+
+	bool has_multitex = false;
+	bool has_gen_attrs = false;
+	for(const unsigned char *c=format.begin(); c!=format.end(); ++c)
+	{
+		if(*c>=TEXCOORD1+4 && *c<ATTRIB1)
+			has_multitex = true;
+		if(*c>=ATTRIB1)
+			has_gen_attrs = true;
+	}
+	if(has_multitex)
+		static Require _req(ARB_multitexture);
+	if(has_gen_attrs)
+		static Require _req(ARB_vertex_shader);
+}
+
 void VertexArray::use_vertex_buffer()
 {
 	if(vbuf)
@@ -40,35 +61,37 @@ void VertexArray::use_vertex_buffer(Buffer *b)
 	dirty = true;
 }
 
+void VertexArray::clear()
+{
+	data.clear();
+}
+
 void VertexArray::reserve(unsigned n)
 {
 	data.reserve(n*stride);
 }
 
-void VertexArray::clear()
+float *VertexArray::append()
 {
-	data.clear();
+	data.insert(data.end(), stride, 0.0f);
+	set_dirty();
+	return &*(data.end()-stride);
 }
 
-void VertexArray::reset(const VertexFormat &f)
+float *VertexArray::modify(unsigned i)
 {
-	clear();
-	format = f;
-	stride = get_stride(format);
+	set_dirty();
+	return &data[0]+i*stride;
+}
 
-	bool has_multitex = false;
-	bool has_gen_attrs = false;
-	for(const unsigned char *c=format.begin(); c!=format.end(); ++c)
+void VertexArray::set_dirty()
+{
+	dirty = true;
+	if(defer_vbuf)
 	{
-		if(*c>=TEXCOORD1+4 && *c<ATTRIB1)
-			has_multitex = true;
-		if(*c>=ATTRIB1)
-			has_gen_attrs = true;
+		vbuf = new Buffer(ARRAY_BUFFER);
+		defer_vbuf = false;
 	}
-	if(has_multitex)
-		static Require _req(ARB_multitexture);
-	if(has_gen_attrs)
-		static Require _req(ARB_vertex_shader);
 }
 
 void VertexArray::apply() const
@@ -169,29 +192,6 @@ void VertexArray::apply() const
 		Buffer::unbind_from(ARRAY_BUFFER);
 }
 
-float *VertexArray::append()
-{
-	data.insert(data.end(), stride, 0.0f);
-	set_dirty();
-	return &*(data.end()-stride);
-}
-
-float *VertexArray::modify(unsigned i)
-{
-	set_dirty();
-	return &data[0]+i*stride;
-}
-
-void VertexArray::set_dirty()
-{
-	dirty = true;
-	if(defer_vbuf)
-	{
-		vbuf = new Buffer(ARRAY_BUFFER);
-		defer_vbuf = false;
-	}
-}
-
 
 VertexArray::ArrayMask::ArrayMask()
 {
diff --git a/source/vertexarray.h b/source/vertexarray.h
index 6be5616e..d8484d83 100644
--- a/source/vertexarray.h
+++ b/source/vertexarray.h
@@ -56,21 +56,25 @@ public:
 	VertexArray(const VertexFormat &);
 	~VertexArray();
 
+	void reset(const VertexFormat &);
 	const VertexFormat &get_format() const { return format; }
-	const std::vector<float> &get_data() const { return data; }
+
 	void use_vertex_buffer();
 	void use_vertex_buffer(Buffer *);
-	void reserve(unsigned);
-	unsigned size() const { return data.size()/stride; }
+
 	void clear();
-	void reset(const VertexFormat &);
-	void apply() const;
+	void reserve(unsigned);
 	float *append();
 	float *modify(unsigned);
-	const float *operator[](unsigned i) const { return &data[0]+i*stride; }
-
 private:
 	void set_dirty();
+
+public:
+	unsigned size() const { return data.size()/stride; }
+	const std::vector<float> &get_data() const { return data; }
+	const float *operator[](unsigned i) const { return &data[0]+i*stride; }
+
+	void apply() const;
 };
 
 } // namespace GL