From 8aea0f65f9ab7d603e47cf4479388af246cc8400 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Fri, 29 Nov 2013 10:46:27 +0200
Subject: [PATCH] Remove vertex array tracking from Renderer

It's unnecessary because VertexArray has its own state tracking and never
needs to be unbound.
---
 source/mesh.cpp     |  2 +-
 source/renderer.cpp | 11 -----------
 source/renderer.h   |  3 ---
 3 files changed, 1 insertion(+), 15 deletions(-)

diff --git a/source/mesh.cpp b/source/mesh.cpp
index 281bb7c2..07eaa689 100644
--- a/source/mesh.cpp
+++ b/source/mesh.cpp
@@ -110,7 +110,7 @@ void Mesh::draw() const
 
 void Mesh::draw(Renderer &renderer) const
 {
-	renderer.set_vertex_array(&vertices);
+	vertices.apply();
 	renderer.set_element_buffer(ibuf);
 	renderer.set_winding_test(winding);
 
diff --git a/source/renderer.cpp b/source/renderer.cpp
index c56216ed..8199d3a6 100644
--- a/source/renderer.cpp
+++ b/source/renderer.cpp
@@ -24,7 +24,6 @@ Renderer::Renderer(const Camera *c):
 	camera(c),
 	state_stack(1),
 	lighting_changed(false),
-	vertex_array(0),
 	element_buffer(0)
 {
 	state_stack.reserve(16);
@@ -99,11 +98,6 @@ void Renderer::add_shader_data(const ProgramData &d)
 	shdata_changed = true;
 }
 
-void Renderer::set_vertex_array(const VertexArray *a)
-{
-	vertex_array = a;
-}
-
 void Renderer::set_element_buffer(const Buffer *b)
 {
 	element_buffer = b;
@@ -164,13 +158,8 @@ void Renderer::render(const Renderable &renderable, const Tag &tag)
 
 void Renderer::draw(const Batch &batch)
 {
-	if(!vertex_array)
-		throw invalid_operation("Renderer::draw");
-
 	apply_state();
 
-	vertex_array->apply();
-
 	if(element_buffer)
 		element_buffer->bind_to(ELEMENT_ARRAY_BUFFER);
 	else
diff --git a/source/renderer.h b/source/renderer.h
index a4663df8..a45b2943 100644
--- a/source/renderer.h
+++ b/source/renderer.h
@@ -19,7 +19,6 @@ class ProgramData;
 class Renderable;
 class Texture;
 class Texturing;
-class VertexArray;
 class WindingTest;
 
 /**
@@ -95,7 +94,6 @@ private:
 	bool lighting_changed;
 	std::vector<const ProgramData *> shdata_stack;
 	bool shdata_changed;
-	const VertexArray *vertex_array;
 	const Buffer *element_buffer;
 	std::set<const Renderable *> excluded;
 
@@ -122,7 +120,6 @@ public:
 	Renderer state is popped. */
 	void add_shader_data(const ProgramData &data);
 
-	void set_vertex_array(const VertexArray *);
 	void set_element_buffer(const Buffer *);
 	void set_winding_test(const WindingTest *);
 	void set_reverse_winding(bool);
-- 
2.45.2