public void SetData <TType>(GLBuffer buffer, int elementSize = 4, int offset = 0, int stride = 0,
bool normalize = false)
{
if (!CheckValid())
{
return;
}
PrepareUsing();
int glType;
var type = typeof(TType);
if (type == typeof(float))
{
glType = GL.GL_FLOAT;
}
else if (type == typeof(short))
{
glType = GL.GL_SHORT;
}
else if (type == typeof(ushort))
{
glType = GL.GL_UNSIGNED_SHORT;
}
else if (type == typeof(sbyte))
{
glType = GL.GL_BYTE;
}
else if (type == typeof(byte))
{
glType = GL.GL_UNSIGNED_BYTE;
}
else
{
throw(new Exception("Invalid type " + type));
}
buffer.Bind();
GL.glVertexAttribPointer(
(uint)Location,
elementSize,
glType,
normalize,
stride,
(void *)offset
);
buffer.Unbind();
Enable();
}
private GLShaderFilter(int Width, int Height, GLShader Shader)
{
this.Shader = Shader;
SetSize(Width, Height);
PositionBuffer = GLBuffer.Create().SetData(new[]
{
-1f, -1f,
+1f, -1f,
-1f, +1f,
+1f, +1f
});
TexcoordsBuffer = GLBuffer.Create().SetData(new[]
{
0f, 0f,
1f, 0f,
0f, 1f,
1f, 1f
});
}