From bc201c7dd5ebef9c0db1142387715c7ad4d53b62 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Sat, 25 Aug 2012 17:03:39 +0300
Subject: [PATCH] Add a command to show current vertex array state

---
 flavors/gl/source/arraystate.cpp | 19 +++++++++++++++++++
 flavors/gl/source/arraystate.h   |  2 ++
 flavors/gl/source/inspector.cpp  | 24 ++++++++++++++++++++++++
 3 files changed, 45 insertions(+)

diff --git a/flavors/gl/source/arraystate.cpp b/flavors/gl/source/arraystate.cpp
index 82442d7..98d6ed4 100644
--- a/flavors/gl/source/arraystate.cpp
+++ b/flavors/gl/source/arraystate.cpp
@@ -1,5 +1,9 @@
 #include "arraystate.h"
 #include "bufferstate.h"
+#include "enums.h"
+#include "strformat.h"
+
+using namespace std;
 
 ArrayState::ArrayState():
 	kind(0),
@@ -25,3 +29,18 @@ void ArrayState::set(unsigned s, GLenum t, bool n, unsigned r, BufferState *b, l
 	if(buffer)
 		buffer->content.update(*this);
 }
+
+string ArrayState::describe() const
+{
+	if(enabled)
+	{
+		string descr = strformat("%d %s, stride %d", size, describe_enum(type, "DataType"), stride);
+		if(buffer)
+			descr += strformat(", buffer %d at %d", buffer->id, pointer);
+		else
+			descr += strformat(", at 0x%X", pointer);
+		return descr;
+	}
+	else
+		return "Disabled";
+}
diff --git a/flavors/gl/source/arraystate.h b/flavors/gl/source/arraystate.h
index a6654f3..c1bd018 100644
--- a/flavors/gl/source/arraystate.h
+++ b/flavors/gl/source/arraystate.h
@@ -1,6 +1,7 @@
 #ifndef ARRAYSTATE_H_
 #define ARRAYSTATE_H_
 
+#include <string>
 #include "autoconstptr.h"
 #include "opengl.h"
 
@@ -20,6 +21,7 @@ struct ArrayState
 
 	ArrayState();
 	void set(unsigned, GLenum, bool, unsigned, BufferState *, long);
+	std::string describe() const;
 };
 
 #endif
diff --git a/flavors/gl/source/inspector.cpp b/flavors/gl/source/inspector.cpp
index 122c2e4..de8031b 100644
--- a/flavors/gl/source/inspector.cpp
+++ b/flavors/gl/source/inspector.cpp
@@ -21,6 +21,8 @@ Inspector::Inspector(GlDbg &d):
 		.set_help("Inspects general GL state",
 			"state vertex\n"
 			"  Print current vertex attributes\n\n"
+			"state array\n"
+			"  Show current vertex arrays\n\n"
 			"state bind\n"
 			"  Show current bindings\n");
 
@@ -118,6 +120,28 @@ void Inspector::cmd_state(const string &args)
 		const Vector3 &normal = glstate.get_normal();
 		printf("  Normal:    [%05.3f, %05.3f, %05.3f]\n", normal.x, normal.y, normal.z);
 	}
+	else if(args=="array")
+	{
+		printf("Current vertex arrays:\n");
+		string descr = glstate.get_array(GL_VERTEX_ARRAY).describe();
+		printf("  Vertex:    %s\n", descr.c_str());
+		descr = glstate.get_array(GL_NORMAL_ARRAY).describe();
+		printf("  Normal:    %s\n", descr.c_str());
+		descr = glstate.get_array(GL_COLOR_ARRAY).describe();
+		printf("  Color:     %s\n", descr.c_str());
+		unsigned count = glstate.get_max_texture_units();
+		for(unsigned i=0; i<count; ++i)
+		{
+			descr = glstate.get_texture_coord_array(i).describe();
+			printf("  TexCoord%d: %s\n", i, descr.c_str());
+		}
+		count = glstate.get_max_vertex_attribs();
+		for(unsigned i=0; i<count; ++i)
+		{
+			descr = glstate.get_attrib_array(i).describe();
+			printf("  Attrib%d:%s %s\n", i, (i>=10 ? " " : "  "), descr.c_str());
+		}
+	}
 	else if(args=="bind")
 	{
 		printf("Current bindings:\n");
-- 
2.43.0