diff --git a/src/gx/Buffer.cpp b/src/gx/Buffer.cpp
index 7642ff4..ccf6151 100644
--- a/src/gx/Buffer.cpp
+++ b/src/gx/Buffer.cpp
@@ -211,3 +211,15 @@ void GxPrimVertexPtr(CGxBuf* buf, EGxVertexBufferFormat format) {
     g_theGxDevicePtr->PrimVertexMask(desc->mask);
     g_theGxDevicePtr->PrimVertexPtr(buf, format);
 }
+
+void GxPrimLockVertexPtrs(uint32_t vertexCount, const C3Vector* pos, uint32_t posStride, const C3Vector* normal, uint32_t normalStride, const CImVector* color, uint32_t colorStride, const unsigned char* bone, uint32_t boneStride, const C2Vector* tex0, uint32_t tex0Stride, const C2Vector* tex1, uint32_t tex1Stride) {
+    // TODO
+}
+
+void GxPrimDrawElements(EGxPrimType primType, uint32_t indexCount, uint16_t* indices) {
+    // TODO
+}
+
+void GxPrimUnlockVertexPtrs() {
+    // TODO
+}
diff --git a/src/gx/Buffer.hpp b/src/gx/Buffer.hpp
index 9b77a77..8c717ea 100644
--- a/src/gx/Buffer.hpp
+++ b/src/gx/Buffer.hpp
@@ -35,4 +35,10 @@ void GxPrimIndexPtr(CGxBuf*);
 
 void GxPrimVertexPtr(CGxBuf*, EGxVertexBufferFormat);
 
+void GxPrimLockVertexPtrs(uint32_t, const C3Vector*, uint32_t, const C3Vector*, uint32_t, const CImVector*, uint32_t, const unsigned char*, uint32_t, const C2Vector*, uint32_t, const C2Vector*, uint32_t);
+
+void GxPrimDrawElements(EGxPrimType, uint32_t, uint16_t*);
+
+void GxPrimUnlockVertexPtrs();
+
 #endif