Shader CreateShader(bool cg, ShaderType type, string source, string entry, bool required)
{
var sw = new ShaderWrapper();
if (cg)
{
var cgc = new CGC();
var results = cgc.Run(source, entry, type == ShaderType.FragmentShader ? "glslf" : "glslv", false);
if (!results.Succeeded)
{
Console.WriteLine("CGC failed");
Console.WriteLine(results.Errors);
return(new Shader(this, null, false));
}
source = results.Code;
sw.MapCodeToNative = results.MapCodeToNative;
sw.MapNativeToCode = results.MapNativeToCode;
}
int sid = GL.CreateShader(type);
bool ok = CompileShaderSimple(sid, source, required);
if (!ok)
{
GL.DeleteShader(sid);
sid = 0;
}
sw.sid = sid;
return(new Shader(this, sw, ok));
}
/// <exception cref="InvalidOperationException"><paramref name="required"/> is <see langword="true"/> and compilation error occurred</exception>
public Shader CreateVertexShader(bool cg, string source, string entry, bool required)
{
try
{
ShaderWrapper sw = new ShaderWrapper();
if (cg)
{
var cgc = new CGC();
var results = cgc.Run(source, entry, "hlslv", true);
source = results.Code;
entry = "main";
if (!results.Succeeded)
{
if (required)
{
throw new InvalidOperationException(results.Errors);
}
else
{
return(new Shader(this, null, false));
}
}
sw.MapCodeToNative = results.MapCodeToNative;
sw.MapNativeToCode = results.MapNativeToCode;
}
string errors = null;
d3d9.ShaderBytecode bytecode = null;
try
{
//cgc can create shaders that will need backwards compatibility...
string profile = "vs_1_1";
if (cg)
{
profile = "vs_3_0"; //todo - smarter logic somehow
}
bytecode = d3d9.ShaderBytecode.Compile(source, null, null, entry, profile, ShaderFlags.EnableBackwardsCompatibility, out errors);
}
catch (Exception ex)
{
throw new InvalidOperationException($"Error compiling shader: {errors}", ex);
}
sw.vs = new VertexShader(dev, bytecode);
sw.bytecode = bytecode;
Shader s = new Shader(this, sw, true);
sw.IGLShader = s;
return(s);
}
catch (Exception ex)
{
if (required)
{
throw;
}
var s = new Shader(this, null, false);
s.Errors = ex.ToString();
return(s);
}
}
public Shader CreateVertexShader(bool cg, string source, string entry, bool required)
{
try
{
ShaderWrapper sw = new ShaderWrapper();
if (cg)
{
var cgc = new CGC();
var results = cgc.Run(source, entry, "hlslv", true);
source = results.Code;
entry = "main";
if (!results.Succeeded)
{
if (required) throw new InvalidOperationException(results.Errors);
else return new Shader(this, null, false);
}
sw.MapCodeToNative = results.MapCodeToNative;
sw.MapNativeToCode = results.MapNativeToCode;
}
string errors = null;
d3d9.ShaderBytecode bytecode = null;
try
{
//cgc can create shaders that will need backwards compatibility...
string profile = "vs_1_1";
if (cg)
profile = "vs_3_0"; //todo - smarter logic somehow
bytecode = d3d9.ShaderBytecode.Compile(source, null, null, entry, profile, ShaderFlags.EnableBackwardsCompatibility, out errors);
}
catch (Exception ex)
{
throw new InvalidOperationException("Error compiling shader: " + errors, ex);
}
sw.vs = new VertexShader(dev, bytecode);
sw.bytecode = bytecode;
Shader s = new Shader(this, sw, true);
sw.IGLShader = s;
return s;
}
catch(Exception ex)
{
if (required)
throw;
var s = new Shader(this, null, false);
s.Errors = ex.ToString();
return s;
}
}
Shader CreateShader(bool cg, ShaderType type, string source, string entry, bool required)
{
var sw = new ShaderWrapper();
if (cg)
{
var cgc = new CGC();
var results = cgc.Run(source, entry, type == ShaderType.FragmentShader ? "glslf" : "glslv", false);
if (!results.Succeeded)
return new Shader(this, null, false);
source = results.Code;
sw.MapCodeToNative = results.MapCodeToNative;
sw.MapNativeToCode = results.MapNativeToCode;
}
int sid = GL.CreateShader(type);
bool ok = CompileShaderSimple(sid, source, required);
if(!ok)
{
GL.DeleteShader(sid);
sid = 0;
}
sw.sid = sid;
return new Shader(this, sw, ok);
}
public Shader CreateFragmentShader(bool cg, string source, string entry, bool required)
{
try
{
ShaderWrapper sw = new ShaderWrapper();
if (cg)
{
var cgc = new CGC();
var results = cgc.Run(source, entry, "hlslf", true);
source = results.Code;
entry = "main";
if (!results.Succeeded)
{
if (required) throw new InvalidOperationException(results.Errors);
else return new Shader(this, null, false);
}
sw.MapCodeToNative = results.MapCodeToNative;
sw.MapNativeToCode = results.MapNativeToCode;
}
string errors = null;
d3d9.ShaderBytecode bytecode = null;
try
{
//cgc can create shaders that will need backwards compatibility...
string profile = "ps_1_0";
if (cg)
profile = "ps_3_0"; //todo - smarter logic somehow
//ShaderFlags.EnableBackwardsCompatibility - used this once upon a time (please leave a note about why)
//
bytecode = d3d9.ShaderBytecode.Compile(source, null, null, entry, profile, ShaderFlags.UseLegacyD3DX9_31Dll, out errors);
}
catch (Exception ex)
{
throw new InvalidOperationException("Error compiling shader: " + errors, ex);
}
sw.ps = new PixelShader(dev, bytecode);
sw.bytecode = bytecode;
Shader s = new Shader(this, sw, true);
sw.IGLShader = s;
return s;
}
catch
{
if (required)
throw;
else return new Shader(this, null, false);
}
}
public Shader CreateFragmentShader(bool cg, string source, string entry, bool required)
{
ShaderWrapper sw = new ShaderWrapper();
if (cg)
{
var cgc = new CGC();
var results = cgc.Run(source, entry, "hlslf");
source = results.Code;
entry = "main";
if (!results.Succeeded)
{
if (required) throw new InvalidOperationException(results.Errors);
else return new Shader(this, null, false);
}
sw.MapCodeToNative = results.MapCodeToNative;
sw.MapNativeToCode = results.MapNativeToCode;
}
string errors = null;
d3d9.ShaderBytecode bytecode = null;
try
{
//cgc can create shaders that will need backwards compatibility...
bytecode = d3d9.ShaderBytecode.Compile(source, null, null, entry, "ps_3_0", ShaderFlags.EnableBackwardsCompatibility, out errors);
}
catch(Exception ex)
{
throw new InvalidOperationException("Error compiling shader: " + errors, ex);
}
sw.ps = new PixelShader(dev, bytecode);
sw.bytecode = bytecode;
Shader s = new Shader(this, sw, true);
sw.IGLShader = s;
return s;
}