////////////////////////////////////////////////////////////
/// <summary>
/// Load both the vertex and fragment shaders from custom streams
///
/// This function can load both the vertex and the fragment
/// shaders, or only one of them: pass NULL if you don't want to load
/// either the vertex shader or the fragment shader.
/// The sources must be valid shaders in GLSL language. GLSL is
/// a C-like language dedicated to OpenGL shaders; you'll
/// probably need to read a good documentation for it before
/// writing your own shaders.
/// </summary>
/// <param name="vertexShaderStream">Source stream to read the vertex shader from, or null to skip this shader</param>
/// <param name="fragmentShaderStream">Source stream to read the fragment shader from, or null to skip this shader</param>
/// <exception cref="LoadingFailedException" />
////////////////////////////////////////////////////////////
public Shader(Stream vertexShaderStream, Stream fragmentShaderStream) :
base(IntPtr.Zero)
{
if ((fragmentShaderStream != null) || (vertexShaderStream != null))
{
if (fragmentShaderStream == null)
{
StreamAdaptor vertexAdaptor = new StreamAdaptor(vertexShaderStream);
CPointer = sfShader_createFromStream(vertexAdaptor.InputStreamPtr, IntPtr.Zero);
vertexAdaptor.Dispose();
}
else if (vertexShaderStream == null)
{
StreamAdaptor fragmentAdaptor = new StreamAdaptor(fragmentShaderStream);
CPointer = sfShader_createFromStream(IntPtr.Zero, fragmentAdaptor.InputStreamPtr);
fragmentAdaptor.Dispose();
}
else
{
StreamAdaptor vertexAdaptor = new StreamAdaptor(vertexShaderStream);
StreamAdaptor fragmentAdaptor = new StreamAdaptor(fragmentShaderStream);
CPointer = sfShader_createFromStream(vertexAdaptor.InputStreamPtr, fragmentAdaptor.InputStreamPtr);
vertexAdaptor.Dispose();
fragmentAdaptor.Dispose();
}
}
if (CPointer == IntPtr.Zero)
throw new LoadingFailedException("shader");
}
////////////////////////////////////////////////////////////
/// <summary>
/// Load both the vertex and fragment shaders from custom streams
///
/// This function can load both the vertex and the fragment
/// shaders, or only one of them: pass NULL if you don't want to load
/// either the vertex shader or the fragment shader.
/// The sources must be valid shaders in GLSL language. GLSL is
/// a C-like language dedicated to OpenGL shaders; you'll
/// probably need to read a good documentation for it before
/// writing your own shaders.
/// </summary>
/// <param name="vertexShaderStream">Source stream to read the vertex shader from, or null to skip this shader</param>
/// <param name="fragmentShaderStream">Source stream to read the fragment shader from, or null to skip this shader</param>
/// <exception cref="LoadingFailedException" />
////////////////////////////////////////////////////////////
public Shader(Stream vertexShaderStream, Stream fragmentShaderStream) :
base(IntPtr.Zero)
{
StreamAdaptor vertexAdaptor = new StreamAdaptor(vertexShaderStream);
StreamAdaptor fragmentAdaptor = new StreamAdaptor(fragmentShaderStream);
SetThis(sfShader_createFromStream(vertexAdaptor.InputStreamPtr, fragmentAdaptor.InputStreamPtr));
vertexAdaptor.Dispose();
fragmentAdaptor.Dispose();
if (CPointer == IntPtr.Zero)
throw new LoadingFailedException("shader");
}
