public override bool Link()
{
bool result = base.Link();
Unlink();
if (result)
{
boneIndices = Attributes["BoneIndices"];
boneWeights = Attributes["BoneWeights"];
normal = Attributes["Normal"];
position = Attributes["Position"];
texel = Attributes["Texel"];
(ambientLight = Uniforms["AmbientLight"]).Set(ref ambientLightValue);
(diffuseColor = Uniforms["DiffuseColor"]).Set(ref diffuseColorValue);
(diffuseMap = Uniforms["DiffuseMap"]).Set(diffuseMapValue ?? Device.WhiteTexture);
(displayMode = Uniforms["DisplayMode"]).Set((int)displayModeValue);
(projection = Uniforms["Projection"]).Set(ref projectionValue);
(view = Uniforms["View"]).Set(ref viewValue);
(world = Uniforms["World"]).Set(ref worldValue);
}
return(result);
}
private TriangleProgram()
: base(
vertex: new VertexShader(typeof(TriangleProgram).GetAssociatedResource("Vertex.glsl")),
fragment: new FragmentShader(typeof(TriangleProgram).GetAssociatedResource("Fragment.glsl"))
)
{
Position = GetAttribute <Vector3>("positionAttrib");
Color = GetAttribute <Color4ub>("colorAttrib", normalized: true);
Projection = GetUniform <Matrix4>("projection");
}
private SpriteProgram()
: base(
vertex: new VertexShader(typeof(SpriteProgram).GetAssociatedResource("Vertex.glsl")),
fragment: new FragmentShader(typeof(SpriteProgram).GetAssociatedResource("Fragment.glsl"))
)
{
Position = GetAttribute <Vector3>("positionAttrib");
Transform = GetAttribute <Matrix4>("transformAttrib");
//Color = GetAttribute<Vector4>("colorAttrib");
TextureOrigin = GetAttribute <Vector2>("textOriginAttrib");
TextureTarget = GetAttribute <Vector2>("textTargetAttrib");
Texture = GetUniform <Texture2D>("texture");
Projection = GetUniform <Matrix4>("projection");
}
private QuadProgram()
: base(vertex: new VertexShader(typeof(QuadProgram).GetAssociatedResource("Vertex.glsl")),
fragment: new FragmentShader(typeof(QuadProgram).GetAssociatedResource("Fragment.glsl")))
{
Textures = new ProgramUniform<Texture2D>[] {
GetUniform<Texture2D>("texture0", GL.TEXTURE0),
GetUniform<Texture2D>("texture1", GL.TEXTURE1),
GetUniform<Texture2D>("texture2", GL.TEXTURE2),
GetUniform<Texture2D>("texture3", GL.TEXTURE3),
GetUniform<Texture2D>("texture4", GL.TEXTURE4),
GetUniform<Texture2D>("texture5", GL.TEXTURE5),
GetUniform<Texture2D>("texture6", GL.TEXTURE6),
GetUniform<Texture2D>("texture7", GL.TEXTURE7)
};
Vertex = GetAttribute<Vector2>("vertex");
Transform = GetAttribute<Matrix3x2>("transform");
Color = GetAttribute<Color4ub>("color", normalized: true);
Texture = GetAttribute<int>("texture");
TextureCoordinates0 = GetAttribute<Vector2>("texture_coordinates0");
TextureCoordinates1 = GetAttribute<Vector2>("texture_coordinates1");
}
private QuadProgram()
: base(
vertex: new VertexShader(typeof(QuadProgram).GetAssociatedResource("Vertex.glsl")),
fragment: new FragmentShader(typeof(QuadProgram).GetAssociatedResource("Fragment.glsl"))
)
{
Textures = new ProgramUniform <Texture2D>[] {
GetUniform <Texture2D>("texture0", GL.TEXTURE0),
GetUniform <Texture2D>("texture1", GL.TEXTURE1),
GetUniform <Texture2D>("texture2", GL.TEXTURE2),
GetUniform <Texture2D>("texture3", GL.TEXTURE3),
GetUniform <Texture2D>("texture4", GL.TEXTURE4),
GetUniform <Texture2D>("texture5", GL.TEXTURE5),
GetUniform <Texture2D>("texture6", GL.TEXTURE6),
GetUniform <Texture2D>("texture7", GL.TEXTURE7)
};
Vertex = GetAttribute <Vector2>("vertex");
Transform = GetAttribute <Matrix3x2>("transform");
Color = GetAttribute <Color4ub>("color", normalized: true);
Texture = GetAttribute <int>("texture");
TextureCoordinates0 = GetAttribute <Vector2>("texture_coordinates0");
TextureCoordinates1 = GetAttribute <Vector2>("texture_coordinates1");
}
void Unlink()
{
ambientLight = diffuseColor = diffuseMap = projection = view = world = null;
boneIndices = boneWeights = normal = position = texel = null;
}
void Unlink()
{
ambientLight = diffuseColor = diffuseMap = projection = view = world = null;
boneIndices = boneWeights = normal = position = texel = null;
}
public override bool Link()
{
bool result = base.Link();
Unlink();
if (result) {
boneIndices = Attributes["BoneIndices"];
boneWeights = Attributes["BoneWeights"];
normal = Attributes["Normal"];
position = Attributes["Position"];
texel = Attributes["Texel"];
(ambientLight = Uniforms["AmbientLight"]).Set(ref ambientLightValue);
(diffuseColor = Uniforms["DiffuseColor"]).Set(ref diffuseColorValue);
(diffuseMap = Uniforms["DiffuseMap"]).Set(diffuseMapValue ?? Device.WhiteTexture);
(displayMode = Uniforms["DisplayMode"]).Set((int)displayModeValue);
(projection = Uniforms["Projection"]).Set(ref projectionValue);
(view = Uniforms["View"]).Set(ref viewValue);
(world = Uniforms["World"]).Set(ref worldValue);
}
return result;
}
private static List <ProgramUniform> GetUniforms(IEnumerable <ShaderSourceContent> sources)
{
List <ProgramUniform> uniforms = new List <ProgramUniform>();
List <int> shaderIDs = new List <int>();
int programID = GL.CreateProgram();
int status;
foreach (ShaderSourceContent content in sources)
{
int shaderID = GL.CreateShader(content.ShaderType);
GL.ShaderSource(shaderID, content.Source);
GL.CompileShader(shaderID);
GL.GetShader(shaderID, ShaderParameter.CompileStatus, out status);
if (status == 0)
{
string l = GL.GetShaderInfoLog(shaderID);
GL.DeleteShader(shaderID);
foreach (int id in shaderIDs)
{
GL.DeleteShader(id);
}
GL.DeleteProgram(programID);
throw new ContentException(string.Format("Error compiling shader: {0}", content.FileName));
}
GL.AttachShader(programID, shaderID);
shaderIDs.Add(shaderID);
}
GL.LinkProgram(programID);
GL.GetProgram(programID, ProgramParameter.LinkStatus, out status);
if (status == 0)
{
foreach (int id in shaderIDs)
{
GL.DeleteShader(id);
}
GL.DeleteProgram(programID);
throw new LinkFailedException(string.Format("Error linking program:"));
}
// shaders no longer needed.
foreach (int id in shaderIDs)
{
GL.DeleteShader(id);
}
// now map the uniform attributes
int count = 0;
GL.GetProgram(programID, ProgramParameter.ActiveUniforms, out count);
for (int i = 0; i < count; i++)
{
int size;
ActiveUniformType type;
string name = GL.GetActiveUniform(programID, i, out size, out type);
int slot = GL.GetUniformLocation(programID, name);
ProgramUniform attribute = new ProgramUniform(name, slot, size, type);
uniforms.Add(attribute);
}
GL.DeleteProgram(programID);
return(uniforms);
}
