public static Comparison CompareTo(VertexShader left, string right)
{
int comparison = left.Id.CompareTo(right);
if (comparison > 0)
return Comparison.Greater;
else if (comparison < 0)
return Comparison.Less;
else
return Comparison.Equal;
}
public static int CompareTo(VertexShader left, string right)
{
return left.Id.CompareTo(right);
}
internal static void SetUpBuiltInShaders()
{
// Basic Vertex Shader
int basicVertexShaderHandle = GL.CreateShader(ShaderType.VertexShader);
GL.ShaderSource(basicVertexShaderHandle, VertexShader.Texture);
GL.CompileShader(basicVertexShaderHandle);
VertexShader basicVertexShader =
new VertexShader("VertexShaderBasic", "Built-In", basicVertexShaderHandle);
// Transform Vertex Shader
int transformVertexShaderHandle = GL.CreateShader(ShaderType.VertexShader);
GL.ShaderSource(transformVertexShaderHandle, VertexShader.Transform);
GL.CompileShader(transformVertexShaderHandle);
VertexShader transformVertexShader =
new VertexShader("VertexShaderTransform", "Built-In", transformVertexShaderHandle);
// Basic Fragment Shader
int basicFragmentShaderHandle = GL.CreateShader(ShaderType.FragmentShader);
GL.ShaderSource(basicFragmentShaderHandle, FragmentShader.Texture);
GL.CompileShader(basicFragmentShaderHandle);
FragmentShader basicFragmentShader =
new FragmentShader("FragmentShaderBasic", "Built-In", basicFragmentShaderHandle);
// Color Fragment Shader
int colorFragmentShaderHandle = GL.CreateShader(ShaderType.FragmentShader);
GL.ShaderSource(colorFragmentShaderHandle, FragmentShader.Color);
GL.CompileShader(colorFragmentShaderHandle);
FragmentShader colorFragmentShader =
new FragmentShader("FragmentShaderBasic", "Built-In", colorFragmentShaderHandle);
// Text Fragment Shader
int textFragmentShaderHandle = GL.CreateShader(ShaderType.FragmentShader);
GL.ShaderSource(textFragmentShaderHandle, FragmentShader.Text);
GL.CompileShader(textFragmentShaderHandle);
FragmentShader textFragmentShader =
new FragmentShader("FragmentShaderBasic", "Built-In", textFragmentShaderHandle);
// Make the default shader program
int basicProgramHandle = GL.CreateProgram();
GL.AttachShader(basicProgramHandle, basicVertexShader.GpuHandle);
GL.AttachShader(basicProgramHandle, basicFragmentShader.GpuHandle);
GL.LinkProgram(basicProgramHandle);
_defaultShader = new ShaderProgram("ShaderProgramBasic", basicProgramHandle);
Renderer.DefaultShaderProgram = _defaultShader;
// Make the color shader program
int colorProgramHandle = GL.CreateProgram();
GL.AttachShader(colorProgramHandle, transformVertexShader.GpuHandle);
GL.AttachShader(colorProgramHandle, colorFragmentShader.GpuHandle);
GL.LinkProgram(colorProgramHandle);
_colorShader = new ShaderProgram("ShaderProgramColor", colorProgramHandle);
// Make the default shader program
int textProgramHandle = GL.CreateProgram();
GL.AttachShader(textProgramHandle, basicVertexShader.GpuHandle);
GL.AttachShader(textProgramHandle, textFragmentShader.GpuHandle);
GL.LinkProgram(textProgramHandle);
_textShader = new ShaderProgram("ShaderProgramText", textProgramHandle);
// Vertex Shader Light
int vertexShaderLightHandle = GL.CreateShader(ShaderType.VertexShader);
GL.ShaderSource(vertexShaderLightHandle, VertexShader.Light);
GL.CompileShader(vertexShaderLightHandle);
VertexShader vertexShaderLight =
new VertexShader("VertexShaderLight", "Built-In", vertexShaderLightHandle);
// Fragment Shader Light
int fragmentShaderLightHandle = GL.CreateShader(ShaderType.FragmentShader);
GL.ShaderSource(fragmentShaderLightHandle, FragmentShader.Light);
GL.CompileShader(fragmentShaderLightHandle);
FragmentShader fragmentShaderLight =
new FragmentShader("FragmentShaderBasic", "Built-In", fragmentShaderLightHandle);
// Shader Program Light
int shaderProgramLightHandle = GL.CreateProgram();
GL.AttachShader(shaderProgramLightHandle, vertexShaderLight.GpuHandle);
GL.AttachShader(shaderProgramLightHandle, fragmentShaderLight.GpuHandle);
GL.LinkProgram(shaderProgramLightHandle);
_lightShader = new ShaderProgram("ShaderProgramLight", shaderProgramLightHandle);
}
public static int CompareTo(VertexShader left, VertexShader right)
{
return left.Id.CompareTo(right.Id);
}
