internal int GetShaderHandle()
{
// If the shader has already been created then return it.
if (_shaderHandle != -1)
{
return(_shaderHandle);
}
//
_shaderHandle = GL.CreateShader(Stage == ShaderStage.Vertex ? ShaderType.VertexShader : ShaderType.FragmentShader);
GraphicsExtensions.CheckGLError();
GL.ShaderSource(_shaderHandle, _glslCode);
GraphicsExtensions.CheckGLError();
GL.CompileShader(_shaderHandle);
GraphicsExtensions.CheckGLError();
int compiled = 0;
GL.GetShader(_shaderHandle, ShaderParameter.CompileStatus, out compiled);
GraphicsExtensions.CheckGLError();
if (compiled != (int)Bool.True)
{
var log = GL.GetShaderInfoLog(_shaderHandle);
Debug.WriteLine(log);
GraphicsDevice.DisposeShader(_shaderHandle);
_shaderHandle = -1;
throw new InvalidOperationException("Shader Compilation Failed");
}
return(_shaderHandle);
}
internal WebGLShader GetShaderHandle()
{
// If the shader has already been created then return it.
if (gl.isShader(_shaderHandle))
{
return(_shaderHandle);
}
_shaderHandle = gl.createShader(Stage == ShaderStage.Vertex ? gl.VERTEX_SHADER : gl.FRAGMENT_SHADER);
GraphicsExtensions.CheckGLError();
gl.shaderSource(_shaderHandle, _glslCode);
GraphicsExtensions.CheckGLError();
gl.compileShader(_shaderHandle);
GraphicsExtensions.CheckGLError();
var compiled = (bool)gl.getShaderParameter(_shaderHandle, gl.COMPILE_STATUS);
GraphicsExtensions.CheckGLError();
if (!compiled)
{
var log = gl.getShaderInfoLog(_shaderHandle);
Debug.WriteLine(log);
GraphicsDevice.DisposeShader(_shaderHandle);
throw new InvalidOperationException("Shader Compilation Failed");
}
return(_shaderHandle);
}
private void PlatformGraphicsDeviceResetting()
{
if (gl.isShader(_shaderHandle))
{
GraphicsDevice.DisposeShader(_shaderHandle);
}
}
private void PlatformGraphicsDeviceResetting()
{
if (_shaderHandle != -1)
{
GraphicsDevice.DisposeShader(_shaderHandle);
_shaderHandle = -1;
}
}
protected override void Dispose(bool disposing)
{
if (!IsDisposed && gl.isShader(_shaderHandle))
{
GraphicsDevice.DisposeShader(_shaderHandle);
}
base.Dispose(disposing);
}
