private ShaderProgram _compileProgram(string vertexSource, string fragmentSource, string name = null)
{
Shader vertexShader = null;
Shader fragmentShader = null;
try
{
try
{
vertexShader = new Shader(this, ShaderType.VertexShader, vertexSource);
}
catch (ShaderCompilationException e)
{
throw new ShaderCompilationException(
"Failed to compile vertex shader, see inner for details.", e);
}
try
{
fragmentShader = new Shader(this, ShaderType.FragmentShader, fragmentSource);
}
catch (ShaderCompilationException e)
{
throw new ShaderCompilationException(
"Failed to compile fragment shader, see inner for details.", e);
}
var program = new ShaderProgram(this, name);
program.Add(vertexShader);
program.Add(fragmentShader);
try
{
program.Link();
}
catch (ShaderCompilationException e)
{
program.Delete();
throw new ShaderCompilationException("Failed to link shaders. See inner for details.", e);
}
return(program);
}
finally
{
vertexShader?.Delete();
fragmentShader?.Delete();
}
}
public ShaderProgram Get(string name)
{
if (_shaders.ContainsKey(name)) return _shaders[name];
var program = new ShaderProgram();
if (File.Exists(Path.Combine("Shaders", name + ".Vert")))
{
using (var sr = new StreamReader("Shaders/" + name + ".Vert"))
{
program.Add(new VertexShader(sr.ReadToEnd()));
}
}
if (File.Exists(Path.Combine("Shaders", name + ".Frag")))
{
using (var sr = new StreamReader("Shaders/" + name + ".Frag"))
{
program.Add(new FragmentShader(sr.ReadToEnd()));
}
}
program.Link();
_shaders.Add(name,program);
return program;
}
private ShaderProgram _compileProgram(ResourcePath vertex, ResourcePath fragment, string name = null)
{
string vertexSource;
string fragmentSource;
using (var vertexReader = new StreamReader(_resourceCache.ContentFileRead(vertex), Encoding.UTF8))
{
vertexSource = vertexReader.ReadToEnd();
}
using (var fragmentReader = new StreamReader(_resourceCache.ContentFileRead(fragment), Encoding.UTF8))
{
fragmentSource = fragmentReader.ReadToEnd();
}
Shader vertexShader = null;
Shader fragmentShader = null;
try
{
try
{
vertexShader = new Shader(this, ShaderType.VertexShader, vertexSource, vertex.ToString());
}
catch (ShaderCompilationException e)
{
throw new ShaderCompilationException(
$"Failed to compile vertex shader {vertex}, see inner for details.", e);
}
try
{
fragmentShader = new Shader(this, ShaderType.FragmentShader, fragmentSource, fragment.ToString());
}
catch (ShaderCompilationException e)
{
throw new ShaderCompilationException(
$"Failed to compile fragment shader {fragment}, see inner for details.", e);
}
var program = new ShaderProgram(this, name);
program.Add(vertexShader);
program.Add(fragmentShader);
try
{
program.Link();
}
catch (ShaderCompilationException e)
{
program.Delete();
throw new ShaderCompilationException(
$"Failed to link shaders. vert: {vertex}, frag: {fragment}, see inner for details.", e);
}
return(program);
}
finally
{
vertexShader?.Delete();
fragmentShader?.Delete();
}
}
