From c147cb2a949d2a5c75804613c45e46c1a2ec8ab1 Mon Sep 17 00:00:00 2001
From: Steven Le Rouzic <steven.lerouzic@gmail.com>
Date: Sat, 20 Apr 2024 01:22:04 +0200
Subject: Temporary allocator

---
 deimos/core/base.h | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'deimos/core/base.h')

diff --git a/deimos/core/base.h b/deimos/core/base.h
index 1e9b4a9..f24991d 100644
--- a/deimos/core/base.h
+++ b/deimos/core/base.h
@@ -5,6 +5,8 @@
 
 #define deimos_StaticAssert(...) static_assert(__VA_ARGS__, #__VA_ARGS__)
 
+#define deimos_Panic(MSG) do { __builtin_trap(); } while (0)
+
 #define deimos_NO_COPY(TYPE)                            \
     TYPE(const TYPE&) = delete;                         \
     TYPE& operator=(const TYPE&) = delete;
@@ -56,6 +58,21 @@ struct SourceLocation
 template<typename T> T Min(T a, T b) { return (a < b) ? a : b; }
 template<typename T> T Max(T a, T b) { return (a > b) ? a : b; }
 
+[[maybe_unused]] static constexpr int64_t Kilobytes = 1024;
+[[maybe_unused]] static constexpr int64_t Megabytes = 1024 * 1024;
+[[maybe_unused]] static constexpr int64_t Gigabytes = 1024 * 1024 * 1024;
+
+constexpr int64_t AlignUp(int64_t value, int64_t align)
+{
+    return __builtin_align_up(value, align);
+}
+
+template<typename T>
+constexpr T* OffsetBytes(T* p, int64_t offset)
+{
+    return std::bit_cast<T*>(std::bit_cast<uintptr_t>(p) + std::bit_cast<uintptr_t>(offset));
+}
+
 constexpr void MemoryCopy(void* dst, const void* src, int64_t size)
 {
     __builtin_memcpy(dst, src, (size_t)size);
-- 
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