public Shader(GraphicsDevice dev, Stream s)
{
this.dev = dev;
string code;
using (var file = new StreamReader(s))
code = file.ReadToEnd();
effect = Cg.cgCreateEffect(dev.cgContext, code, null);
if (effect == IntPtr.Zero)
{
var err = Cg.cgGetErrorString(Cg.cgGetError());
var results = Cg.cgGetLastListing(dev.cgContext);
throw new InvalidOperationException(
string.Format("Cg compile failed ({0}):\n{1}", err, results));
}
technique = Cg.cgGetFirstTechnique(effect);
if (technique == IntPtr.Zero)
throw new InvalidOperationException("No techniques");
while (Cg.cgValidateTechnique(technique) == 0)
{
technique = Cg.cgGetNextTechnique(technique);
if (technique == IntPtr.Zero)
throw new InvalidOperationException("No valid techniques");
}
}
public IndexBuffer(GraphicsDevice dev, int size)
{
Gl.glGenBuffers(1, out buffer);
GraphicsDevice.CheckGlError();
Bind();
Gl.glBufferData(Gl.GL_ELEMENT_ARRAY_BUFFER,
new IntPtr(2 * size),
new ushort[ size ],
Gl.GL_DYNAMIC_DRAW);
GraphicsDevice.CheckGlError();
}
public IndexBuffer(GraphicsDevice dev, int size)
{
Gl.glGenBuffers(1, out buffer);
GraphicsDevice.CheckGlError();
}
public Texture(GraphicsDevice dev, Bitmap bitmap)
{
Gl.glGenTextures(1, out texture);
GraphicsDevice.CheckGlError();
SetData(bitmap);
}
public Texture(GraphicsDevice dev)
{
Gl.glGenTextures(1, out texture);
GraphicsDevice.CheckGlError();
}