public RenderDevice(ShaderProgram ShaderProg, int Width, int Height)
{
Shader = ShaderProg;
VertexArray = new VertexArray();
Elements = new BufferObject();
VertexArray.BindElementBuffer(Elements);
Vertices = new BufferObject();
uint PosAttrib = (uint)ShaderProg.GetAttribLocation("Pos");
VertexArray.AttribFormat(PosAttrib, Size: 2);
VertexArray.AttribBinding(PosAttrib, VertexArray.BindVertexBuffer(Vertices, Stride: 2 * sizeof(float)));
Colors = new BufferObject();
uint ClrAttrib = (uint)ShaderProg.GetAttribLocation("Clr");
VertexArray.AttribFormat(ClrAttrib, Size: 4);
VertexArray.AttribBinding(ClrAttrib, VertexArray.BindVertexBuffer(Colors, Stride: 4 * sizeof(float)));
UVs = new BufferObject();
uint UVAttrib = (uint)ShaderProg.GetAttribLocation("UV");
VertexArray.AttribFormat(UVAttrib, Size: 2);
VertexArray.AttribBinding(UVAttrib, VertexArray.BindVertexBuffer(UVs, Stride: 2 * sizeof(float)));
}
public void SetUVs(Vector2[] UVs)
{
if (UVBuffer == null)
{
VAO.AttribFormat(UV_ATTRIB, Size: 2);
VAO.AttribBinding(UV_ATTRIB, VAO.BindVertexBuffer(UVBuffer = new BufferObject(), Stride: 2 * sizeof(float)));
}
UVBuffer.SetData(UVs, Usage: Usage);
VAO.AttribEnable(UV_ATTRIB, UVs != null);
}
public void SetColors(Vector4[] Colors)
{
if (ColorBuffer == null)
{
VAO.AttribFormat(COLOR_ATTRIB, Size: 4);
VAO.AttribBinding(COLOR_ATTRIB, VAO.BindVertexBuffer(ColorBuffer = new BufferObject(), Stride: 4 * sizeof(float)));
}
ColorBuffer.SetData(Colors, Usage: Usage);
VAO.AttribEnable(COLOR_ATTRIB, Colors != null);
}
public void SetVertices(Vector3[] Verts)
{
Vertices = Verts;
if (VertBuffer == null)
{
VAO.AttribFormat(VERTEX_ATTRIB);
VAO.AttribBinding(VERTEX_ATTRIB, VAO.BindVertexBuffer(VertBuffer = new BufferObject()));
}
VertBuffer.SetData(Verts, Usage: Usage);
VAO.AttribEnable(VERTEX_ATTRIB, Verts != null);
}
public void BindElementBuffer(BufferObject Obj)
{
ElementBuffer = Obj;
if (Obj != null)
{
Gl.VertexArrayElementBuffer(ID, Obj.ID);
}
else
{
Gl.VertexArrayElementBuffer(ID, 0);
}
}
public void SetElements(uint[] Elements)
{
if (ElementBuffer == null)
{
ElementBuffer = new BufferObject();
}
if (Elements != null)
{
VAO.BindElementBuffer(ElementBuffer);
ElementBuffer.SetData(Elements, Usage: Usage);
}
else
{
VAO.BindElementBuffer(null);
}
}
public uint BindVertexBuffer(BufferObject Obj, int BindingIndex = -1, int Offset = 0, int Stride = 3 *sizeof(float))
{
if (!BufferObjects.Contains(Obj))
{
BufferObjects.Add(Obj);
}
if (BindingIndex == -1)
{
BindingIndex = FreeBindingIndex++;
}
if (Obj != null)
{
Gl.VertexArrayVertexBuffer(ID, (uint)BindingIndex, Obj.ID, (IntPtr)Offset, Stride);
}
return((uint)BindingIndex);
}