public void Use()
{
DebugTools.Assert(ObjectHandle != 0);
GL.BindBuffer(Type, ObjectHandle);
_clyde.CheckGlError();
}
public GLBuffer(Clyde clyde, BufferTarget type, BufferUsageHint usage, string?name = null)
{
_clyde = clyde;
Type = type;
Name = name;
UsageHint = usage;
GL.GenBuffers(1, out uint handle);
clyde.CheckGlError();
ObjectHandle = handle;
GL.BindBuffer(type, handle);
clyde.CheckGlError();
_clyde.ObjectLabelMaybe(ObjectLabelIdentifier.Buffer, ObjectHandle, name);
}
private void Compile(ShaderType type, string shaderSource)
{
ObjectHandle = (uint)GL.CreateShader(type);
Type = type;
GL.ShaderSource((int)ObjectHandle, shaderSource);
_clyde.CheckGlError();
GL.CompileShader(ObjectHandle);
_clyde.CheckGlError();
GL.GetShader(ObjectHandle, ShaderParameter.CompileStatus, out var compiled);
_clyde.CheckGlError();
if (compiled != 1)
{
var message = GL.GetShaderInfoLog((int)ObjectHandle);
_clyde.CheckGlError();
Delete();
throw new ShaderCompilationException(message);
}
}
public override void BindWindowRenderTarget(WindowId rtWindowId)
{
var data = _windowData[rtWindowId];
var result = eglMakeCurrent(_eglDisplay, data.EglBackbuffer, data.EglBackbuffer, _eglContext);
if (result == EGL_FALSE)
{
throw new Exception("eglMakeCurrent failed.");
}
GL.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
Clyde.CheckGlError();
}
public override void BindWindowRenderTarget(WindowId rtWindowId)
{
var data = _windowData[rtWindowId];
if (data.Reg.IsMainWindow)
{
GL.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
Clyde.CheckGlError();
}
else
{
var loaded = Clyde.RtToLoaded(data.RenderTexture !);
GL.BindFramebuffer(FramebufferTarget.Framebuffer, loaded.FramebufferHandle.Handle);
}
}
private void BlitThreadDoSecondaryWindowBlit(WindowData window)
{
var rt = window.RenderTexture !;
if (Clyde._hasGLFenceSync)
{
// 0xFFFFFFFFFFFFFFFFUL is GL_TIMEOUT_IGNORED
var sync = rt.LastGLSync;
GL.WaitSync(sync, WaitSyncFlags.None, unchecked ((long)0xFFFFFFFFFFFFFFFFUL));
Clyde.CheckGlError();
}
GL.Viewport(0, 0, window.Reg.FramebufferSize.X, window.Reg.FramebufferSize.Y);
Clyde.CheckGlError();
Clyde.SetTexture(TextureUnit.Texture0, window.RenderTexture !.Texture);
GL.DrawArrays(PrimitiveType.TriangleStrip, 0, 4);
Clyde.CheckGlError();
window.BlitDoneEvent?.Set();
Clyde._windowing !.WindowSwapBuffers(window.Reg);
}
