public void Render(ShaderBlob toRender, UniformValues uniforms, Size s)
{
Gl.Viewport(0, 0, s.Width, s.Height);
Gl.Clear(ClearBufferMask.ColorBufferBit);
// Select the program for drawing
Gl.UseProgram(toRender.Program.ProgramName);
Gl.UseProgram(toRender.Program.ProgramName);
SetUniforms(toRender.Program.UniformLocations, uniforms);
if (toRender.CreationArguments.Type.UseTexture)
{
Gl.BindTexture(TextureTarget.Texture2d, toRender.TextureName);
}
// Use the vertex array
Gl.BindVertexArray(toRender.VertexArray.ArrayName);
GlErrorLogger.Check();
// Draw triangle
if (toRender.CreationArguments.Type.UseIndexing)
{
Gl.DrawElements(PrimitiveType.Triangles, toRender.VertexArray.Count, DrawElementsType.UnsignedInt, IntPtr.Zero);
}
else
{
Gl.DrawArrays(PrimitiveType.Triangles, 0, toRender.VertexArray.Count);
}
GlErrorLogger.Check();
}
public void Create()
{
TextureName = Gl.GenTexture();
Gl.BindTexture(TextureTarget.Texture2d, TextureName);
GlErrorLogger.Check();
//Gl.TextureParameter(TextureName, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
//GlErrorLogger.Check();
//Gl.TextureParameter(TextureName, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
//GlErrorLogger.Check();
//Gl.TextureParameter(TextureName, TextureParameterName.TextureWrapS, (int)TextureWrapMode.ClampToEdge);
//GlErrorLogger.Check();
//Gl.TextureParameter(TextureName, TextureParameterName.TextureWrapT, (int)TextureWrapMode.ClampToEdge);
//GlErrorLogger.Check();
GlErrorLogger.Check();
Gl.BindTexture(TextureTarget.Texture2d, TextureName);
BitmapData data = null;
try
{
data = bitmap.LockBits(new Rectangle(0, 0, WidthInPixels, HeightInPixels), System.Drawing.Imaging.ImageLockMode.ReadOnly, bitmap.PixelFormat);
Gl.TexImage2D(TextureTarget.Texture2d, 0, InternalFormat.Rgba, WidthInPixels, HeightInPixels, 0, this.format, PixelType.UnsignedByte, data.Scan0);
}
finally
{
if (data != null)
{
bitmap.UnlockBits(data);
}
}
GlErrorLogger.Check();
Gl.GenerateMipmap(TextureTarget.Texture2d);
this.Created = true;
}
private ShaderBlob BuildProgramInternal(ShaderCreationArguments args)
{
try
{
StaticLogger.Logger.DebugFormat("Starting Creation of {0}", args.ConvenientName());
PngTexture texture = null;
if (args.Type.UseTexture)
{
texture = new PngTexture(args.TexturePath);
texture.Load();
texture.Create();
GlErrorLogger.Check();
// Do I even need this?
Gl.BindTexture(TextureTarget.Texture2d, texture.TextureName);
GlErrorLogger.Check();
}
var vertexSource = VertexShaderSource.VertexSourceLookup(args.Type.VertexFormat, args.Type.VertexShaderVersion);
var _Program = new ShaderProgram(args.FragmentShaderSource, vertexSource, args.Type.Uniforms, args.Type.VertexFormat);
GlErrorLogger.Check();
_Program.Link();
GlErrorLogger.Check();
IVertexArray _VertexArray = BuildVertexArray(_Program.VertexLocations, args);
GlErrorLogger.Check();
return(new ShaderBlob()
{
DisplayName = args.ConvenientName(),
CreationArguments = args,
TreatAsGood = true,
Program = _Program,
VertexArray = _VertexArray,
TextureName = !args.Type.UseTexture ? 0 : texture.TextureName,
});
}
catch (Exception e)
{
StaticLogger.Logger.ErrorFormat("{1} - Shader Error {0}", args.SimpleName, e.ToString());
if (BadShader == null)
{
throw new InvalidOperationException("Could not build BadShader!");
}
return(new ShaderBlob()
{
DisplayName = args.ConvenientName(),
CreationArguments = BadShader.CreationArguments,
TreatAsGood = false,
ErrorMessage = e.ToString(),
Program = BadShader.Program,
VertexArray = BadShader.VertexArray
});
}
}
