first commit

src/core/buffers/gryphn_buffer.h

@@ -0,0 +1,34 @@
+#pragma once
+#include <gryphn/gryphn_utils.h>
+#include "core/output_device/gryphn_output_device.h"
+
+struct gnPlatformBuffer;
+
+typedef enum gnBufferType {
+    GN_VERTEX_BUFFER = 0, GN_INDEX_BUFFER = 1, GN_UNIFORM_BUFFER = 2
+} gnBufferType;
+
+typedef enum gnBufferDataType {
+    GN_UINT8, GN_UINT16, GN_UINT32
+} gnBufferDataType;
+
+struct gnBuffer {
+ACCESS_LEVEL:
+    gnPlatformBuffer* buffer = nullptr;
+    gnSize size;
+    gnBufferType bufferType;
+    gnBufferDataType dataType;
+public:
+    gnBuffer() {}
+};
+
+void gnBufferSetSize(gnBuffer& buffer, gnSize size);
+void gnBufferSetType(gnBuffer& buffer, gnBufferType type);
+void gnBufferSetDataType(gnBuffer& buffer, gnBufferDataType type);
+
+inline gnErrorCode (*gnCreateBuffer)(gnBuffer* buffer, const gnOutputDevice& outputDevice);
+inline void (*gnBufferData)(gnBuffer& buffer, void* data);
+inline void (*gnBufferMapData)(gnBuffer& buffer, void** data); // used to map data to a pointer without copying
+inline void (*gnBufferSubData)(gnBuffer& buffer, gnSize offset, gnSize size, void* data);
+inline void (*gnBufferClearData)(gnBuffer& buffer);
+inline void (*gnDestroyBuffer)(gnBuffer& buffer);