CVertexBuffer CGUIFontTTFDX::CreateVertexBuffer(const std::vector<SVertex> &vertices) const
{
CD3DBuffer* buffer = nullptr;
if (!vertices.empty()) // do not create empty buffers, leave buffer as nullptr, it will be ignored on drawing stage
{
buffer = new CD3DBuffer();
if (!buffer->Create(D3D11_BIND_VERTEX_BUFFER, vertices.size(), sizeof(SVertex), DXGI_FORMAT_UNKNOWN, D3D11_USAGE_IMMUTABLE, &vertices[0]))
CLog::Log(LOGERROR, "%s - Failed to create vertex buffer.", __FUNCTION__);
else
AddReference((CGUIFontTTFDX*)this, buffer);
}
return CVertexBuffer(reinterpret_cast<void*>(buffer), vertices.size() / 4, this);
}
CVertexBuffer CGUIFontTTFGL::CreateVertexBuffer(const std::vector<SVertex> &vertices) const
{
// Generate a unique buffer object name and put it in bufferHandle
GLuint bufferHandle;
glGenBuffers(1, &bufferHandle);
// Bind the buffer to the OpenGL context's GL_ARRAY_BUFFER binding point
glBindBuffer(GL_ARRAY_BUFFER, bufferHandle);
// Create a data store for the buffer object bound to the GL_ARRAY_BUFFER
// binding point (i.e. our buffer object) and initialise it from the
// specified client-side pointer
glBufferData(GL_ARRAY_BUFFER, vertices.size() * sizeof (SVertex), &vertices[0], GL_STATIC_DRAW);
// Unbind GL_ARRAY_BUFFER
glBindBuffer(GL_ARRAY_BUFFER, 0);
return CVertexBuffer((void *) bufferHandle, vertices.size() / 4, this);
}
