hz

src/lib/video/vram.h

@@ -0,0 +1,41 @@
+#ifndef VRAM_H
+#define VRAM_H
+
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+
+#include "boot/typedef.h"
+
+typedef int32_t vram_handle_t;
+
+typedef struct {
+    uint32_t offset;
+    uint32_t size;
+    bool is_free;
+    vram_handle_t id;
+} vram_block_t;
+
+typedef struct {
+    uint8_t* base_ptr;
+    uint32_t capacity;
+    vram_block_t* blocks;
+    int blocks_count;
+    int max_blocks;
+    vram_handle_t next_id;
+} vram_manager_t;
+
+
+extern vram_manager_t *vram_sys;
+
+int init_vram(apios_main_table_t *apios_table_);
+vram_handle_t vram_alloc(uint32_t size);
+void vram_free(vram_handle_t handle);
+void* vram_get_ptr(vram_handle_t handle);
+int vram_write(vram_handle_t handle, const void* src, uint32_t size);
+int vram_read(vram_handle_t handle, void* dst, uint32_t size);
+void vram_defrag();
+
+
+
+#endif