protected override void OnLoad(EventArgs e)
{
// Get OpenGL version
Console.WriteLine("OpenGL version: " + GL.GetString(StringName.Version));
Console.WriteLine("OpenGL vendor: " + GL.GetString(StringName.Vendor));
this.CursorVisible = false;
// Set up camera
ActiveCamera = new OldCamera(Width, Height, new Vector3(0, 0, -1), new Vector3(0, 0, 1), Vector3.UnitY);
// Vertex Attribute Object
vertexAttribObject = GL.GenVertexArray();
GL.BindVertexArray(vertexAttribObject);
// Vertices
float[] vertices = new float[] {
-1.0f, -1.0f, -10f, 0.0f, 0.0f, // Top-left
1.0f, -1.0f, -10f, 1.0f, 0.0f, // Top-right
1.0f, 1.0f, -10f, 1.0f, 1.0f, // Bottom-right
-1.0f, 1.0f, -10f, 0.0f, 1.0f // Bottom-left
};
vertexBuffer = GL.GenBuffer();
GL.BindBuffer(BufferTarget.ArrayBuffer, vertexBuffer);
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr) (vertices.Count() * sizeof(float)), vertices, BufferUsageHint.StaticDraw);
int verticeBufferSize = 0;
GL.BindBuffer(BufferTarget.ArrayBuffer, vertexBuffer);
GL.GetBufferParameter(BufferTarget.ArrayBuffer, BufferParameterName.BufferSize, out verticeBufferSize);
Console.WriteLine("Vertices in buffer: " + verticeBufferSize / 5 / sizeof(float));
// Elements
int[] elements = new int[] {
0, 1, 2,
2, 3, 0
};
elementBuffer = GL.GenBuffer();
GL.BindBuffer(BufferTarget.ElementArrayBuffer, elementBuffer);
GL.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)(elements.Count() * sizeof(int)), elements, BufferUsageHint.StaticDraw);
// Vertex shader
vertexShader = GL.CreateShader(ShaderType.VertexShader);
string vertexSource = File.ReadAllText("Shaders/vertex.shader");
Console.WriteLine(vertexSource);
GL.ShaderSource(vertexShader, vertexSource);
GL.CompileShader(vertexShader);
int vertexShaderStatus;
GL.GetShader(vertexShader, ShaderParameter.CompileStatus, out vertexShaderStatus);
Console.WriteLine("[VERTEX] Shader compile status: " + vertexShaderStatus);
string vertexShaderLog;
GL.GetShaderInfoLog(vertexShader, out vertexShaderLog);
Console.Write(vertexShaderLog);
// Fragment shader
fragmentShader = GL.CreateShader(ShaderType.FragmentShader);
string fragmentSource = File.ReadAllText("Shaders/fragment.shader");
Console.WriteLine(fragmentSource);
GL.ShaderSource(fragmentShader, fragmentSource);
GL.CompileShader(fragmentShader);
int fragmentShaderStatus;
GL.GetShader(fragmentShader, ShaderParameter.CompileStatus, out fragmentShaderStatus);
Console.WriteLine("[FRAGMENT] Shader compile status: " + fragmentShaderStatus);
string fragmentShaderLog;
GL.GetShaderInfoLog(fragmentShader, out fragmentShaderLog);
Console.Write(fragmentShaderLog);
// Shader program
shaderProgram = GL.CreateProgram();
GL.AttachShader(shaderProgram, vertexShader);
GL.AttachShader(shaderProgram, fragmentShader);
GL.BindFragDataLocation(shaderProgram, 0, "outColor");
GL.LinkProgram(shaderProgram);
string programInfoLog = GL.GetProgramInfoLog(shaderProgram);
Console.Write(programInfoLog);
int programStatus;
GL.GetProgram(shaderProgram, GetProgramParameterName.LinkStatus, out programStatus);
Console.WriteLine("[FRAGMENT] Program link status: " + programStatus);
GL.UseProgram(shaderProgram);
GL.ValidateProgram(shaderProgram);
GL.DetachShader(shaderProgram, vertexShader);
GL.DeleteShader(vertexShader);
GL.DetachShader(shaderProgram, fragmentShader);
GL.DeleteShader(fragmentShader);
// Set up matrix
ActiveCamera.setupGLRenderMatrix(shaderProgram);
// Shader settings
int posAttrib = GL.GetAttribLocation(shaderProgram, "position");
GL.EnableVertexAttribArray(posAttrib);
GL.VertexAttribPointer(posAttrib, 3, VertexAttribPointerType.Float, false, sizeof(float) * 5, 0);
int texCoordAttrib = GL.GetAttribLocation(shaderProgram, "texCoord");
GL.EnableVertexAttribArray(texCoordAttrib);
GL.VertexAttribPointer(texCoordAttrib, 2, VertexAttribPointerType.Float, false, sizeof(float) * 5, sizeof(float) * 3);
// Clear
GL.ClearColor(Color.Black);
// Uniforms
int uniColor = GL.GetUniformLocation(shaderProgram, "triangleColor");
Vector3 uniCol3 = new Vector3(1.0f, 0.0f, 0.0f);
GL.Uniform3(uniColor, uniCol3);
// Textures
int[] textureIds = new int[2];
GL.GenTextures(2, textureIds);
GL.ActiveTexture(TextureUnit.Texture0);
GL.BindTexture(TextureTarget.Texture2D, textureIds[0]);
var blp = new BLPReader();
blp.LoadBLP(File.OpenRead(@"Z:\WoW extracts\20363_full\Textures\ShaneCube.blp"));
System.Drawing.Imaging.BitmapData bmp_data = blp.bmp.LockBits(new System.Drawing.Rectangle(0, 0, blp.bmp.Width, blp.bmp.Height), System.Drawing.Imaging.ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, bmp_data.Width, bmp_data.Height, 0, OpenTK.Graphics.OpenGL.PixelFormat.Bgra, PixelType.UnsignedByte, bmp_data.Scan0);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)TextureWrapMode.Repeat);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)TextureWrapMode.Repeat);
blp.bmp.UnlockBits(bmp_data);
GL.Uniform1(GL.GetUniformLocation(shaderProgram, "tex"), 0);
GL.ActiveTexture(TextureUnit.Texture1);
GL.BindTexture(TextureTarget.Texture2D, textureIds[1]);
}
protected override void OnLoad(EventArgs e)
{
// Get OpenGL version
Console.WriteLine("OpenGL version: " + GL.GetString(StringName.Version));
Console.WriteLine("OpenGL vendor: " + GL.GetString(StringName.Vendor));
this.CursorVisible = false;
// Set up camera
ActiveCamera = new OldCamera(Width, Height, new Vector3(0, 0, -1), new Vector3(0, 0, 1), Vector3.UnitY);
// Vertex Attribute Object
vertexAttribObject = GL.GenVertexArray();
GL.BindVertexArray(vertexAttribObject);
// Vertices
float[] vertices = new float[] {
-1.0f, -1.0f, -10f, 0.0f, 0.0f, // Top-left
1.0f, -1.0f, -10f, 1.0f, 0.0f, // Top-right
1.0f, 1.0f, -10f, 1.0f, 1.0f, // Bottom-right
-1.0f, 1.0f, -10f, 0.0f, 1.0f // Bottom-left
};
vertexBuffer = GL.GenBuffer();
GL.BindBuffer(BufferTarget.ArrayBuffer, vertexBuffer);
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(vertices.Count() * sizeof(float)), vertices, BufferUsageHint.StaticDraw);
int verticeBufferSize = 0;
GL.BindBuffer(BufferTarget.ArrayBuffer, vertexBuffer);
GL.GetBufferParameter(BufferTarget.ArrayBuffer, BufferParameterName.BufferSize, out verticeBufferSize);
Console.WriteLine("Vertices in buffer: " + verticeBufferSize / 5 / sizeof(float));
// Elements
int[] elements = new int[] {
0, 1, 2,
2, 3, 0
};
elementBuffer = GL.GenBuffer();
GL.BindBuffer(BufferTarget.ElementArrayBuffer, elementBuffer);
GL.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)(elements.Count() * sizeof(int)), elements, BufferUsageHint.StaticDraw);
// Vertex shader
vertexShader = GL.CreateShader(ShaderType.VertexShader);
string vertexSource = File.ReadAllText("Shaders/vertex.shader");
Console.WriteLine(vertexSource);
GL.ShaderSource(vertexShader, vertexSource);
GL.CompileShader(vertexShader);
int vertexShaderStatus;
GL.GetShader(vertexShader, ShaderParameter.CompileStatus, out vertexShaderStatus);
Console.WriteLine("[VERTEX] Shader compile status: " + vertexShaderStatus);
string vertexShaderLog;
GL.GetShaderInfoLog(vertexShader, out vertexShaderLog);
Console.Write(vertexShaderLog);
// Fragment shader
fragmentShader = GL.CreateShader(ShaderType.FragmentShader);
string fragmentSource = File.ReadAllText("Shaders/fragment.shader");
Console.WriteLine(fragmentSource);
GL.ShaderSource(fragmentShader, fragmentSource);
GL.CompileShader(fragmentShader);
int fragmentShaderStatus;
GL.GetShader(fragmentShader, ShaderParameter.CompileStatus, out fragmentShaderStatus);
Console.WriteLine("[FRAGMENT] Shader compile status: " + fragmentShaderStatus);
string fragmentShaderLog;
GL.GetShaderInfoLog(fragmentShader, out fragmentShaderLog);
Console.Write(fragmentShaderLog);
// Shader program
shaderProgram = GL.CreateProgram();
GL.AttachShader(shaderProgram, vertexShader);
GL.AttachShader(shaderProgram, fragmentShader);
GL.BindFragDataLocation(shaderProgram, 0, "outColor");
GL.LinkProgram(shaderProgram);
string programInfoLog = GL.GetProgramInfoLog(shaderProgram);
Console.Write(programInfoLog);
int programStatus;
GL.GetProgram(shaderProgram, GetProgramParameterName.LinkStatus, out programStatus);
Console.WriteLine("[FRAGMENT] Program link status: " + programStatus);
GL.UseProgram(shaderProgram);
GL.ValidateProgram(shaderProgram);
GL.DetachShader(shaderProgram, vertexShader);
GL.DeleteShader(vertexShader);
GL.DetachShader(shaderProgram, fragmentShader);
GL.DeleteShader(fragmentShader);
// Set up matrix
ActiveCamera.setupGLRenderMatrix(shaderProgram);
// Shader settings
int posAttrib = GL.GetAttribLocation(shaderProgram, "position");
GL.EnableVertexAttribArray(posAttrib);
GL.VertexAttribPointer(posAttrib, 3, VertexAttribPointerType.Float, false, sizeof(float) * 5, 0);
int texCoordAttrib = GL.GetAttribLocation(shaderProgram, "texCoord");
GL.EnableVertexAttribArray(texCoordAttrib);
GL.VertexAttribPointer(texCoordAttrib, 2, VertexAttribPointerType.Float, false, sizeof(float) * 5, sizeof(float) * 3);
// Clear
GL.ClearColor(Color.Black);
// Uniforms
int uniColor = GL.GetUniformLocation(shaderProgram, "triangleColor");
Vector3 uniCol3 = new Vector3(1.0f, 0.0f, 0.0f);
GL.Uniform3(uniColor, uniCol3);
// Textures
int[] textureIds = new int[2];
GL.GenTextures(2, textureIds);
GL.ActiveTexture(TextureUnit.Texture0);
GL.BindTexture(TextureTarget.Texture2D, textureIds[0]);
var blp = new BLPReader();
blp.LoadBLP(File.OpenRead(@"Z:\WoW extracts\20363_full\Textures\ShaneCube.blp"));
System.Drawing.Imaging.BitmapData bmp_data = blp.bmp.LockBits(new System.Drawing.Rectangle(0, 0, blp.bmp.Width, blp.bmp.Height), System.Drawing.Imaging.ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, bmp_data.Width, bmp_data.Height, 0, OpenTK.Graphics.OpenGL.PixelFormat.Bgra, PixelType.UnsignedByte, bmp_data.Scan0);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)TextureWrapMode.Repeat);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)TextureWrapMode.Repeat);
blp.bmp.UnlockBits(bmp_data);
GL.Uniform1(GL.GetUniformLocation(shaderProgram, "tex"), 0);
GL.ActiveTexture(TextureUnit.Texture1);
GL.BindTexture(TextureTarget.Texture2D, textureIds[1]);
}
