Add a vulkan renderer that renders an OBJ

1 files changed, 40 insertions, 0 deletions

diff --git a/src/alloc.h b/src/alloc.h
new file mode 100644
index 0000000..bde1d55
--- /dev/null
+++ b/src/alloc.h
@@ -0,0 +1,40 @@
+#ifndef VGLTF_ALLOC_H
+#define VGLTF_ALLOC_H
+
+#include <stddef.h>
+
+struct vgltf_allocator {
+  void *(*allocate)(size_t size, void *ctx);
+  void *(*allocate_aligned)(size_t alignment, size_t size, void *ctx);
+  void *(*allocate_array)(size_t count, size_t item_size, void *ctx);
+  void *(*reallocate)(void *ptr, size_t old_size, size_t new_size, void *ctx);
+  void (*free)(void *ptr, void *ctx);
+  void *ctx;
+};
+
+void *vgltf_allocator_allocate(struct vgltf_allocator *allocator, size_t size);
+void *vgltf_allocator_allocate_aligned(struct vgltf_allocator *allocator,
+                                     size_t alignment, size_t size);
+void *vgltf_allocator_allocate_array(struct vgltf_allocator *allocator,
+                                   size_t count, size_t item_size);
+void *vgltf_allocator_reallocate(struct vgltf_allocator *allocator, void *ptr,
+                               size_t old_size, size_t new_size);
+void vgltf_allocator_free(struct vgltf_allocator *allocator, void *ptr);
+
+extern thread_local struct vgltf_allocator system_allocator;
+
+struct vgltf_arena {
+  size_t capacity;
+  size_t size;
+  char *data;
+};
+void vgltf_arena_init(struct vgltf_allocator *allocator, struct vgltf_arena *arena,
+                    size_t size);
+void vgltf_arena_deinit(struct vgltf_allocator *allocator, struct vgltf_arena *arena);
+void *vgltf_arena_allocate(struct vgltf_arena *arena, size_t size);
+void *vgltf_arena_allocate_array(struct vgltf_arena *arena, size_t count,
+                               size_t item_size);
+void vgltf_arena_reset(struct vgltf_arena *arena);
+struct vgltf_allocator vgltf_arena_allocator(struct vgltf_arena *arena);
+
+#endif // VGLTF_ALLOC_H