radv: add new drirc option radv_no_dynamic_bounds

[mesa.git] / src / util / ralloc.c

diff --git a/src/util/ralloc.c b/src/util/ralloc.c
index 745b4cf1226c93f126832a803edf86fec675815a..f36f8bf365425a2c7a18d95865d9f912f9d21234 100644 (file)
--- a/src/util/ralloc.c
+++ b/src/util/ralloc.c
@@ -53,7 +53,11 @@ _CRTIMP int _vscprintf(const char *format, va_list argptr);
  */
 struct
 #ifdef _MSC_VER
+#if _WIN64
+__declspec(align(16))
+#else
  __declspec(align(8))
+#endif
 #elif defined(__LP64__)
  __attribute__((aligned(16)))
 #else
@@ -197,6 +201,21 @@ reralloc_size(const void *ctx, void *ptr, size_t size)
    return resize(ptr, size);
 }
 
+void *
+rerzalloc_size(const void *ctx, void *ptr, size_t old_size, size_t new_size)
+{
+   if (unlikely(ptr == NULL))
+      return rzalloc_size(ctx, new_size);
+
+   assert(ralloc_parent(ptr) == ctx);
+   ptr = resize(ptr, new_size);
+
+   if (new_size > old_size)
+      memset((char *)ptr + old_size, 0, new_size - old_size);
+
+   return ptr;
+}
+
 void *
 ralloc_array_size(const void *ctx, size_t size, unsigned count)
 {
@@ -224,6 +243,16 @@ reralloc_array_size(const void *ctx, void *ptr, size_t size, unsigned count)
    return reralloc_size(ctx, ptr, size * count);
 }
 
+void *
+rerzalloc_array_size(const void *ctx, void *ptr, size_t size,
+                     unsigned old_count, unsigned new_count)
+{
+   if (new_count > SIZE_MAX/size)
+      return NULL;
+
+   return rerzalloc_size(ctx, ptr, size * old_count, size * new_count);
+}
+
 void
 ralloc_free(void *ptr)
 {
@@ -552,10 +581,18 @@ ralloc_vasprintf_rewrite_tail(char **str, size_t *start, const char *fmt,
  */
 
 #define MIN_LINEAR_BUFSIZE 2048
-#define SUBALLOC_ALIGNMENT sizeof(uintptr_t)
+#define SUBALLOC_ALIGNMENT 8
 #define LMAGIC 0x87b9c7d3
 
-struct linear_header {
+struct
+#ifdef _MSC_VER
+ __declspec(align(8))
+#elif defined(__LP64__)
+ __attribute__((aligned(16)))
+#else
+ __attribute__((aligned(8)))
+#endif
+   linear_header {
 #ifndef NDEBUG
    unsigned magic;   /* for debugging */
 #endif
@@ -647,6 +684,8 @@ linear_alloc_child(void *parent, unsigned size)
    ptr = (linear_size_chunk *)((char*)&latest[1] + latest->offset);
    ptr->size = size;
    latest->offset += full_size;
+
+   assert((uintptr_t)&ptr[1] % SUBALLOC_ALIGNMENT == 0);
    return &ptr[1];
 }