Semi-working base for bgfx renderer

2015-09-08 16:13:59 +02:00
parent c7f17c8ef0
commit c24b039005
47 changed files with 11176 additions and 43 deletions
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2010-2015 Branimir Karadzic. All rights reserved.
+ * License: http://www.opensource.org/licenses/BSD-2-Clause
+ */
+
+#ifndef BX_H_HEADER_GUARD
+#define BX_H_HEADER_GUARD
+
+#include <stdint.h> // uint32_t
+#include <stdlib.h> // size_t
+
+#include "config.h"
+#include "macros.h"
+
+namespace bx
+{
+	// http://cnicholson.net/2011/01/stupid-c-tricks-a-better-sizeof_array/
+	template<typename T, size_t N> char (&COUNTOF_REQUIRES_ARRAY_ARGUMENT(const T(&)[N]) )[N];
+#define BX_COUNTOF(_x) sizeof(bx::COUNTOF_REQUIRES_ARRAY_ARGUMENT(_x) )
+
+	// Template for avoiding MSVC: C4127: conditional expression is constant
+	template<bool>
+	inline bool isEnabled()
+	{
+		return true;
+	}
+
+	template<>
+	inline bool isEnabled<false>()
+	{
+		return false;
+	}
+#define BX_ENABLED(_x) bx::isEnabled<!!(_x)>()
+
+	inline bool ignoreC4127(bool _x)
+	{
+		return _x;
+	}
+#define BX_IGNORE_C4127(_x) bx::ignoreC4127(!!(_x) )
+
+	template<typename Ty>
+	inline void xchg(Ty& _a, Ty& _b)
+	{
+		Ty tmp = _a; _a = _b; _b = tmp;
+	}
+
+	/// Check if pointer is aligned. _align must be power of two.
+	inline bool isPtrAligned(const void* _ptr, size_t _align)
+	{
+		union { const void* ptr; size_t addr; } un;
+		un.ptr = _ptr;
+		return 0 == (un.addr & (_align-1) );
+	}
+
+} // namespace bx
+
+// Annoying C++0x stuff..
+namespace std { namespace tr1 {}; using namespace tr1; }
+
+#endif // BX_H_HEADER_GUARD