protected override void OnLoad()
{
base.OnLoad();
GL.Enable(EnableCap.DebugOutput);
DebugProc openGLDebugDelegate = new DebugProc(OpenGLDebugCallback);
GL.DebugMessageCallback(openGLDebugDelegate, IntPtr.Zero);
// Create shader
shader = new Shader("Shaders/shader.vert", "Shaders/shader.frag");
shader.Use();
// Create target texture
textureHandle = GL.GenTexture();
GL.BindTexture(TextureTarget.Texture2D, textureHandle);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)TextureWrapMode.Repeat);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)TextureWrapMode.Repeat);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Nearest);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest);
Random random = new Random();
byte[] pixels = new byte[64 * 32];
for (int i = 0; i < 64 * 32; i++)
{
pixels[i] = (byte)(random.NextDouble() * 255.0f);
}
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.R8, 64, 32, 0, PixelFormat.Red, PixelType.UnsignedByte, pixels);
// Create mesh
float[] vertices = new float[]
{
// vec2 position
// vec2 texCoord
// Top left triangle
-1, -1, 0, 1,
1, -1, 1, 1,
-1, 1, 0, 0,
// Bottom right triangle
1, -1, 1, 1,
1, 1, 1, 0,
-1, 1, 0, 0,
};
vboHandle = GL.GenBuffer();
vaoHandle = GL.GenVertexArray();
GL.BindVertexArray(vaoHandle);
GL.BindBuffer(BufferTarget.ArrayBuffer, vboHandle);
GL.EnableVertexAttribArray(0);
GL.VertexAttribPointer(0, 2, VertexAttribPointerType.Float, false, 4 * sizeof(float), 0 * sizeof(float));
GL.EnableVertexAttribArray(1);
GL.VertexAttribPointer(1, 2, VertexAttribPointerType.Float, false, 4 * sizeof(float), 2 * sizeof(float));
GL.BindVertexArray(vaoHandle);
GL.BufferData(BufferTarget.ArrayBuffer, vertices.Length * sizeof(float), vertices, BufferUsageHint.StreamDraw);
// Load program
byte[] fileBytes = File.ReadAllBytes("Roms/life.ch8");
// Create emulator
ushort[] instructions = new ushort[]
{
0x00E0, 0xF029, 0xD115, 0x7001, 0x1200
};
chip8 = new Chip8(fileBytes);
//chip8 = new Chip8(instructions);
chip8.DumpMemory();
}
