internal static int LinkShaders(IGLGraphicsPipelineEntrypoint entrypoint, IGLErrorHandler errHandler, int[] shaders)
{
int retVal = entrypoint.CreateProgram();
foreach (var shader in shaders)
{
entrypoint.AttachShaderToProgram(retVal, shader);
//GL.AttachShader (retVal, shader);
}
entrypoint.CompileProgram(retVal);
bool isCompiled = entrypoint.IsCompiled(retVal);
//int linkStatus = 0;
//GL.GetProgram(retVal,GetProgramParameterName.LinkStatus, out linkStatus);
// return (linkStatus == (int)All.True)
//int glinfoLogLength = 0;
//GL.GetProgram(retVal, GetProgramParameterName.InfoLogLength, out glinfoLogLength);
// return (glinfoLogLength > 1)
bool hasMessages = entrypoint.HasCompilerMessages(retVal);
if (hasMessages)
{
string buffer = entrypoint.GetCompilerMessages(retVal);
// GL.GetProgramInfoLog(retVal);
if (!isCompiled)
{
errHandler.Trace("Shader Linking failed with the following errors:");
}
else
{
errHandler.Trace("Shader Linking succeeded, with following warnings/messages:\n");
}
errHandler.Trace(buffer);
}
if (!isCompiled)
{
// #ifndef POSIX
// assert(!"Shader failed linking, here's an assert to break you in the debugger.");
// #endif
entrypoint.DeleteProgram(retVal);
retVal = 0;
}
return(retVal);
}