public override void Load()
{
// These operations need to be performed on the GL thread.
// This can be further optimized by creating the objects on another thread and then just passing them.
GLThread.ExecuteGLThread(() =>
{
// Create a new map buffer.
_buffer = new QuadMapBuffer(Renderer.MaxRenderable);
// Map buffer.
int x = 0;
int y = 0;
const int size = 5;
for (int i = 0; i < Renderer.MaxRenderable; i++)
{
// Add objects one after another of a random color.
Color randomColor = new Color(Utilities.GenerateRandomNumber(0, 255), Utilities.GenerateRandomNumber(0, 255), Utilities.GenerateRandomNumber(0, 255));
_buffer.MapNextQuad(new Vector3(x * size, y * size, 1), new Vector2(size, size), randomColor);
x++;
if (x * size < 960)
{
continue;
}
x = 0;
y++;
}
});
}
internal Renderer()
{
// Renderer bootstrap.
Debugger.Log(MessageType.Info, MessageSource.Renderer, "Loading Emotion OpenTK-GLES Renderer...");
Debugger.Log(MessageType.Info, MessageSource.Renderer, "GL: " + GL.GetString(StringName.Version) + " on " + GL.GetString(StringName.Renderer));
Debugger.Log(MessageType.Info, MessageSource.Renderer, "GLSL: " + GL.GetString(StringName.ShadingLanguageVersion));
// Set execution flags, used for workarounding different GPU behavior.
SetFlags();
// Create default shaders. This also sets some shader flags.
CreateDefaultShaders();
// Create a default program, and use it.
ShaderProgram defaultProgram = new ShaderProgram((Shader)null, null);
defaultProgram.Bind();
// Create objects.
Camera = new CameraBase(new Vector3(0, 0, 0), new Vector2(Context.Settings.RenderWidth, Context.Settings.RenderHeight));
MatrixStack = new TransformationStack();
// Setup main map buffer.
_mainBuffer = new QuadMapBuffer(MaxRenderable);
_mainLineBuffer = new LineMapBuffer(MaxRenderable);
// Check if the setup encountered any errors.
Helpers.CheckError("renderer setup");
// Setup additional GL arguments.
GL.Enable(EnableCap.Blend);
GL.DepthFunc(DepthFunction.Lequal);
GL.Enable(EnableCap.DepthTest);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
// Setup debug.
SetupDebug();
}
