1 files changed, 13 insertions, 3 deletions
diff --git a/src/render/io/glbuffer.cpp b/src/render/io/glbuffer.cpp
index bff4cb3e4..8e7636964 100644
--- a/src/render/io/glbuffer.cpp
+++ b/src/render/io/glbuffer.cpp
@@ -86,23 +86,28 @@ GLBuffer::GLBuffer()
 {
 }
 
-void GLBuffer::bind(GraphicsContext *ctx, Type t)
+bool GLBuffer::bind(GraphicsContext *ctx, Type t)
 {
+    if (m_bufferId == 0)
+        return false;
     m_lastTarget = glBufferTypes[t];
     ctx->openGLContext()->functions()->glBindBuffer(m_lastTarget, m_bufferId);
     m_bound = true;
+    return true;
 }
 
-void GLBuffer::release(GraphicsContext *ctx)
+bool GLBuffer::release(GraphicsContext *ctx)
 {
     m_bound = false;
     ctx->openGLContext()->functions()->glBindBuffer(m_lastTarget, 0);
+    return true;
 }
 
-void GLBuffer::create(GraphicsContext *ctx)
+bool GLBuffer::create(GraphicsContext *ctx)
 {
     ctx->openGLContext()->functions()->glGenBuffers(1, &m_bufferId);
     m_isCreated = true;
+    return m_bufferId != 0;
 }
 
 void GLBuffer::destroy(GraphicsContext *ctx)
@@ -118,6 +123,11 @@ void GLBuffer::allocate(GraphicsContext *ctx, uint size, bool dynamic)
     ctx->openGLContext()->functions()->glBufferData(m_lastTarget, size, NULL, dynamic ? GL_DYNAMIC_DRAW : GL_STATIC_DRAW);
 }
 
+void GLBuffer::allocate(GraphicsContext *ctx, const void *data, uint size, bool dynamic)
+{
+    ctx->openGLContext()->functions()->glBufferData(m_lastTarget, size, data, dynamic ? GL_DYNAMIC_DRAW : GL_STATIC_DRAW);
+}
+
 void GLBuffer::update(GraphicsContext *ctx, const void *data, uint size, int offset)
 {
     ctx->openGLContext()->functions()->glBufferSubData(m_lastTarget, offset, size, data);