public unsafe void LoadTexture(string texturePath)
{
if (fileName == null)
{
return;
}
var imageStream = SourceLoader.GetStream(texturePath);
if (imageStream == null)
{
throw new ApplicationException(@"Texture resource '{texturePath}.{fileName}' not found!");
}
// Read bitmap header
var header = new byte[BITMAP_HEADER_LENGTH];
imageStream.Read(header, 0, BITMAP_HEADER_LENGTH);
var start = parseHeader(header);
// Read bitmap data
var buffer = new byte[textureWidth * textureHeight * 3];
imageStream.Seek(start, SeekOrigin.Begin);
imageStream.Read(buffer, 0, textureWidth * textureHeight * 3);
fixed(byte *p = buffer)
{
var ptr = (IntPtr)p;
textureId = GL.GenTexture();
GL.BindTexture(TextureTarget.Texture2D, textureId);
GL.PixelStore(PixelStoreParameter.UnpackAlignment, 1);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgb, textureWidth, textureHeight, 0, PixelFormat.Bgr, PixelType.UnsignedByte, ptr);
GL.GenerateMipmap(GenerateMipmapTarget.Texture2D);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, new [] { GL_LINEAR });
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, new [] { GL_LINEAR_MIPMAP_LINEAR });
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, GL_CLAMP_TO_EDGE);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, GL_CLAMP_TO_EDGE);
GL.BindTexture(TextureTarget.Texture2D, 0);
}
haveTexture = true;
}
public BaseShader(string name)
{
var vertexShader = GL.CreateShader(ShaderType.VertexShader);
var fragmentShader = GL.CreateShader(ShaderType.FragmentShader);
GL.ShaderSource(vertexShader, SourceLoader.Read(@"shaders.{name}.vs.glsl"));
GL.CompileShader(vertexShader);
checkCompileStatus(@"Vertex Shader: {name}", vertexShader);
GL.ShaderSource(fragmentShader, SourceLoader.Read(@"shaders.{name}.fs.glsl"));
GL.CompileShader(fragmentShader);
checkCompileStatus(@"Fragment Shader: {name}", fragmentShader);
ShaderProgram = GL.CreateProgram();
GL.AttachShader(ShaderProgram, fragmentShader);
GL.AttachShader(ShaderProgram, vertexShader);
GL.LinkProgram(ShaderProgram);
GL.UseProgram(ShaderProgram);
GL.ValidateProgram(ShaderProgram);
Console.WriteLine(GL.GetProgramInfoLog(ShaderProgram));
SetUniforms();
}
