From d5486a5af100fb37fac08b60d862ac14943853ce Mon Sep 17 00:00:00 2001
From: Peter Fors <peter.fors@mindkiller.com>
Date: Sat, 29 Mar 2025 20:11:56 +0100
Subject: add base code for windowing and opengl crt-shader.

---
 base/common.h | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 base/common.h

(limited to 'base/common.h')

diff --git a/base/common.h b/base/common.h
new file mode 100644
index 0000000..2138908
--- /dev/null
+++ b/base/common.h
@@ -0,0 +1,55 @@
+
+
+#ifdef _WIN32
+#include <intrin.h>
+#include <windows.h>
+#include <malloc.h>   // For _aligned_malloc and _aligned_free on Windows
+#define aligned_alloc(align, size) _aligned_malloc(size, align)
+#define aligned_free _aligned_free
+
+#elif __linux__
+#include <sys/prctl.h>
+#include <sys/resource.h>
+#include <unistd.h>
+#include <stdlib.h>   // For aligned_alloc on Linux
+#define aligned_free free
+#endif
+
+#ifndef ARRAY_SIZE
+#define ARRAY_SIZE(_Array) (sizeof(_Array) / sizeof(_Array[0]))
+#endif
+
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
+#define MAX(a, b) ((a) > (b) ? (a) : (b))
+
+#if defined(__GNUC__) || defined(__clang__) || defined(__TINYC__)
+#define ALIGNED(x) __attribute__((aligned(x)))
+#elif defined(_MSC_VER)
+#define ALIGNED(x) __declspec(align(x))
+#else
+#define ALIGNED(x) /* No alignment support */
+#endif
+
+#if defined(__GNUC__) || defined(__clang__)
+#define ASSUME(condition) if (!(condition)) __builtin_unreachable()
+#elif defined(_MSC_VER)
+#define ASSUME(condition) __assume(condition)
+#else
+#define ASSUME(condition) ((void)0) /* Fallback: No-op */
+#endif
+
+#define UNREACHABLE(cond) do { if(cond) __builtin_unreachable(); } while(0)
+
+#define DEFAULT_ALIGNMENT 64
+
+static void *mks_alloc(size_t size) {
+	size = (size + (DEFAULT_ALIGNMENT - 1)) & ~(DEFAULT_ALIGNMENT - 1);
+	void *ptr = aligned_alloc(DEFAULT_ALIGNMENT, size);
+	state.total_allocated += size;
+	memset(ptr, 0, size);
+	return ptr;
+}
+
+static void mks_free(void *ptr) {
+	aligned_free(ptr);
+}
-- 
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