private void SetupNonMultisampled()
{
// Generate FBO
if (this.handleMainFBO == null)
{
this.handleMainFBO = GraphicsBackend.GL.CreateFramebuffer();
}
GraphicsBackend.GL.BindFramebuffer(WebGLRenderingContextBase.FRAMEBUFFER, this.handleMainFBO);
// Attach textures
int oglWidth = 0;
int oglHeight = 0;
for (int i = 0; i < this.targetInfos.Count; i++)
{
NativeTexture tex = this.targetInfos[i].Target;
uint attachment = (WebGLRenderingContextBase.COLOR_ATTACHMENT0 + (uint)i);
GraphicsBackend.GL.FramebufferTexture2D(
WebGLRenderingContextBase.FRAMEBUFFER,
attachment,
WebGLRenderingContextBase.TEXTURE_2D,
tex.Handle,
0);
oglWidth = tex.Width;
oglHeight = tex.Height;
}
// Generate or delete depth renderbuffer
if (this.depthBuffer)
{
if (this.handleDepthRBO == null)
{
this.handleDepthRBO = GraphicsBackend.GL.CreateRenderbuffer();
}
GraphicsBackend.GL.BindRenderbuffer(WebGLRenderingContextBase.RENDERBUFFER, this.handleDepthRBO);
GraphicsBackend.GL.RenderbufferStorage(WebGLRenderingContextBase.RENDERBUFFER, WebGL2RenderingContextBase.DEPTH_COMPONENT24, oglWidth, oglHeight);
GraphicsBackend.GL.FramebufferRenderbuffer(WebGLRenderingContextBase.FRAMEBUFFER, WebGLRenderingContextBase.DEPTH_ATTACHMENT, WebGLRenderingContextBase.RENDERBUFFER, this.handleDepthRBO);
}
else
{
GraphicsBackend.GL.FramebufferRenderbuffer(WebGLRenderingContextBase.FRAMEBUFFER, WebGLRenderingContextBase.DEPTH_ATTACHMENT, WebGLRenderingContextBase.RENDERBUFFER, null);
if (this.handleDepthRBO != null)
{
GraphicsBackend.GL.DeleteRenderbuffer(this.handleDepthRBO);
}
this.handleDepthRBO = null;
}
// Check status
int status = GraphicsBackend.GL.CheckFramebufferStatus(WebGLRenderingContextBase.FRAMEBUFFER);
if (status != WebGLRenderingContextBase.FRAMEBUFFER_COMPLETE)
{
throw new BackendException(string.Format("Incomplete Framebuffer: {0}", status));
}
GraphicsBackend.GL.BindRenderbuffer(WebGLRenderingContextBase.RENDERBUFFER, null);
GraphicsBackend.GL.BindFramebuffer(WebGLRenderingContextBase.FRAMEBUFFER, null);
}
public texReader(WebGLRenderingContext webgl, WebGLTexture texRGBA, int width, int height, bool gray = true)
{
this.gray = gray;
this.width = width;
this.height = height;
var fbo = webgl.CreateFramebuffer();
WebGLFramebuffer fbold = webgl.GetParameter(webgl.FRAMEBUFFER_BINDING) as WebGLFramebuffer;
webgl.BindFramebuffer(webgl.FRAMEBUFFER, fbo);
webgl.FramebufferTexture2D(webgl.FRAMEBUFFER, webgl.COLOR_ATTACHMENT0, webgl.TEXTURE_2D,
texRGBA, 0);
var readData = new Uint8Array(this.width * this.height * 4);
readData[0] = 2;
webgl.ReadPixels(0, 0, this.width, this.height, webgl.RGBA, webgl.UNSIGNED_BYTE,
readData);
webgl.DeleteFramebuffer(fbo);
webgl.BindFramebuffer(webgl.FRAMEBUFFER, fbold);
if (gray)
{
this.data = new Uint8Array(this.width * this.height);
for (var i = 0; i < width * height; i++)
{
this.data[i] = readData[i * 4];
}
}
else
{
this.data = readData;
}
}
internal void DisposeFramebuffer(WebGLFramebuffer handle)
{
if (!_isDisposed)
{
lock (_disposeActionsLock)
{
_disposeNextFrame.Add(ResourceHandle.Framebuffer(handle));
}
}
}
void IDisposable.Dispose()
{
if (DualityApp.ExecContext == DualityApp.ExecutionContext.Terminated)
{
return;
}
// If there are changes pending to be applied to the bound textures,
// they should be executed before the render target is gone.
this.ApplyPostRender();
if (this.handleMainFBO != null)
{
//GraphicsBackend.GL.DeleteFramebuffer(this.handleMainFBO);
try {
GraphicsBackend.GL.DeleteFramebuffer(this.handleMainFBO);
} catch (Exception ex) {
Console.WriteLine("DeleteFramebuffer() failed: " + this.handleMainFBO + " | " + ex);
}
this.handleMainFBO = null;
}
if (this.handleDepthRBO != null)
{
//GraphicsBackend.GL.DeleteRenderbuffer(this.handleDepthRBO);
try {
GraphicsBackend.GL.DeleteRenderbuffer(this.handleDepthRBO);
} catch (Exception ex) {
Console.WriteLine("DeleteRenderbuffer() failed: " + this.handleDepthRBO + " | " + ex);
}
this.handleDepthRBO = null;
}
if (this.handleMsaaFBO != null)
{
//GraphicsBackend.GL.DeleteFramebuffer(this.handleMsaaFBO);
try {
GraphicsBackend.GL.DeleteFramebuffer(this.handleMsaaFBO);
} catch (Exception ex) {
Console.WriteLine("DeleteFramebuffer() failed: " + this.handleMsaaFBO + " | " + ex);
}
this.handleMsaaFBO = null;
}
for (int i = 0; i < this.targetInfos.Count; i++)
{
if (this.targetInfos.Data[i].HandleMsaaColorRBO != null)
{
GraphicsBackend.GL.DeleteRenderbuffer(this.targetInfos.Data[i].HandleMsaaColorRBO);
this.targetInfos.Data[i].HandleMsaaColorRBO = null;
}
}
}
public WebGL2Framebuffer(int width, int height, int colourTextures, TextureFormat textureColourFormat, TextureFormat?textureDepthFormat = null)
{
if (colourTextures < 1)
{
throw new CKGLException("Must have at least 1 colour texture.");
}
if (colourTextures > (int)GL.getParameter(MAX_COLOR_ATTACHMENTS_Static) || colourTextures > (int)GL.getParameter(MAX_DRAW_BUFFERS_Static))
{
throw new CKGLException("Too many colour textures.");
}
if (textureColourFormat.ToWebGL2PixelFormat() == DEPTH_COMPONENT || textureColourFormat.ToWebGL2PixelFormat() == DEPTH_STENCIL)
{
throw new CKGLException("textureColourFormat cannot be a depth(stencil) texture.");
}
if (textureDepthFormat.HasValue && !(textureDepthFormat.Value.ToWebGL2PixelFormat() == DEPTH_COMPONENT || textureDepthFormat.Value.ToWebGL2PixelFormat() == DEPTH_STENCIL))
{
throw new CKGLException("textureDepthFormat is not a depth(stencil) texture.");
}
this.width = width;
this.height = height;
camera2D.Width = width;
camera2D.Height = height;
id = GL.createFramebuffer();
Bind();
Textures = new Texture[colourTextures];
double[] drawBuffers = new double[colourTextures];
for (int i = 0; i < colourTextures; i++)
{
Textures[i] = Texture.Create2D(Width, Height, textureColourFormat);
drawBuffers[i] = COLOR_ATTACHMENT0 + i;
GL.framebufferTexture2D(FRAMEBUFFER, COLOR_ATTACHMENT0 + i, (Textures[i] as WebGL2Texture).TextureTarget, (Textures[i] as WebGL2Texture).ID, 0);
Textures[i].Unbind();
CheckStatus();
}
GL.drawBuffers(drawBuffers);
CheckStatus();
if (textureDepthFormat.HasValue)
{
DepthStencilTexture = Texture.Create2D(Width, Height, textureDepthFormat.Value);
GL.framebufferTexture2D(FRAMEBUFFER, textureDepthFormat.Value.ToWebGL2TextureAttachment(), (DepthStencilTexture as WebGL2Texture).TextureTarget, (DepthStencilTexture as WebGL2Texture).ID, 0);
DepthStencilTexture.Unbind();
CheckStatus();
}
}
public void bindFramebuffer(int target, WebGLFramebuffer framebuffer)
{
var bufferId = (int)(framebuffer != null ? framebuffer.Value : 0);
#if _DEBUG
Log.Info(string.Format("bindFramebuffer {0} {1}", target, bufferId));
#endif
#if GLEW_STATIC
Gl.glBindFramebuffer(target, bufferId);
#else
Gl.__glewBindFramebuffer(target, bufferId);
#endif
this.ErrorTest();
}
internal void PlatformDeleteRenderTarget(IRenderTarget renderTarget)
{
var color = renderTarget.GLColorBuffer;
var depth = renderTarget.GLDepthBuffer;
var stencil = renderTarget.GLStencilBuffer;
if (color != null)
{
this.framebufferHelper.DeleteRenderbuffer(color);
if (stencil != null && stencil != depth)
{
this.framebufferHelper.DeleteRenderbuffer(stencil);
}
if (depth != null)
{
this.framebufferHelper.DeleteRenderbuffer(depth);
}
var bindingsToDelete = new List <RenderTargetBinding[]>();
foreach (var bindings in this.glFramebuffers.Keys)
{
foreach (var binding in bindings)
{
if (binding.RenderTarget == renderTarget)
{
bindingsToDelete.Add(bindings);
break;
}
}
}
foreach (var bindings in bindingsToDelete)
{
WebGLFramebuffer fbo = null;
if (this.glFramebuffers.TryGetValue(bindings, out fbo))
{
this.framebufferHelper.DeleteFramebuffer(fbo);
this.glFramebuffers.Remove(bindings);
}
if (this.glResolveFramebuffers.TryGetValue(bindings, out fbo))
{
this.framebufferHelper.DeleteFramebuffer(fbo);
this.glResolveFramebuffers.Remove(bindings);
}
}
}
}
public override void Destroy()
{
if (!IsDefault)
{
for (int i = Textures.Length; i == 0; i--)
{
Textures[i]?.Destroy();
Textures[i] = null;
}
DepthStencilTexture?.Destroy();
DepthStencilTexture = null;
if (id != null)
{
GL.deleteFramebuffer(id);
id = null;
}
}
}
public bool isFramebuffer(WebGLFramebuffer framebuffer)
{
return(default(bool));
}
public void deleteFramebuffer(WebGLFramebuffer framebuffer)
{
}
public void bindFramebuffer(int target, WebGLFramebuffer framebuffer)
{
}
internal virtual void DeleteFramebuffer(WebGLFramebuffer framebuffer)
{
gl.deleteFramebuffer(framebuffer);
GraphicsExtensions.CheckGLError();
}
/// <summary>
/// Deletes a specific WebGLFramebuffer object. If you delete the currently bound framebuffer, the default framebuffer will be bound. Deleting a framebuffer detaches all of its attachments.
/// If a buffer has already been deleted, this method has no effect.
/// </summary>
/// <param name="framebuffer">Framebuffer object to delete.</param>
public virtual void DeleteFramebuffer(WebGLFramebuffer framebuffer) { }
/// <summary>
/// Associates a WebGLFramebuffer object with the gl.FRAMEBUFFER bind target.
/// The currently bound framebuffer is the target of drawing operations. If the framebuffer is null, the context reverts to the default framebuffer.
///
/// Errors:
/// gl.INVALID_ENUM - If target isn't gl.FRAMEBUFFER.
/// </summary>
/// <param name="target">The target the WebGLFramebuffer object is bound to. Must be gl.FRAMEBUFFER.</param>
/// <param name="framebuffer">The WebGLFramebuffer object.</param>
public virtual void BindFramebuffer(int target, WebGLFramebuffer framebuffer) { }
internal virtual void GenFramebuffer(out WebGLFramebuffer framebuffer)
{
framebuffer = gl.createFramebuffer();
GraphicsExtensions.CheckGLError();
}
/// <summary>
/// Gets state of framebuffer. Returns true if buffer is valid, false otherwise.
/// </summary>
/// <param name="framebuffer">The framebuffer to query. </param>
/// <returns>True if framebuffer is valid, false otherwise. </returns>
public virtual bool IsFramebuffer(WebGLFramebuffer framebuffer)
{
return false;
}
internal void PlatformResolveRenderTargets()
{
if (this._currentRenderTargetCount == 0)
{
return;
}
var renderTargetBinding = this._currentRenderTargetBindings[0];
var renderTarget = renderTargetBinding.RenderTarget as IRenderTarget;
if (renderTarget.MultiSampleCount > 0 && this.framebufferHelper.SupportsBlitFramebuffer)
{
WebGLFramebuffer glResolveFramebuffer = null;
if (!this.glResolveFramebuffers.TryGetValue(this._currentRenderTargetBindings, out glResolveFramebuffer))
{
this.framebufferHelper.GenFramebuffer(out glResolveFramebuffer);
this.framebufferHelper.BindFramebuffer(glResolveFramebuffer);
for (var i = 0; i < this._currentRenderTargetCount; ++i)
{
var rt = this._currentRenderTargetBindings[i].RenderTarget as IRenderTarget;
this.framebufferHelper.FramebufferTexture2D((int)(gl.COLOR_ATTACHMENT0 + i), (int)rt.GetFramebufferTarget(renderTargetBinding), rt.GLTexture);
}
this.glResolveFramebuffers.Add((RenderTargetBinding[])this._currentRenderTargetBindings.Clone(), glResolveFramebuffer);
}
else
{
this.framebufferHelper.BindFramebuffer(glResolveFramebuffer);
}
// The only fragment operations which affect the resolve are the pixel ownership test, the scissor test, and dithering.
if (this._lastRasterizerState.ScissorTestEnable)
{
gl.disable(gl.SCISSOR_TEST);
GraphicsExtensions.CheckGLError();
}
var glFramebuffer = this.glFramebuffers[this._currentRenderTargetBindings];
this.framebufferHelper.BindReadFramebuffer(glFramebuffer);
for (var i = 0; i < this._currentRenderTargetCount; ++i)
{
renderTargetBinding = this._currentRenderTargetBindings[i];
renderTarget = renderTargetBinding.RenderTarget as IRenderTarget;
this.framebufferHelper.BlitFramebuffer(i, renderTarget.Width, renderTarget.Height);
}
if (renderTarget.RenderTargetUsage == RenderTargetUsage.DiscardContents && this.framebufferHelper.SupportsInvalidateFramebuffer)
{
this.framebufferHelper.InvalidateReadFramebuffer();
}
if (this._lastRasterizerState.ScissorTestEnable)
{
gl.enable(gl.SCISSOR_TEST);
GraphicsExtensions.CheckGLError();
}
}
for (var i = 0; i < this._currentRenderTargetCount; ++i)
{
renderTargetBinding = this._currentRenderTargetBindings[i];
renderTarget = renderTargetBinding.RenderTarget as IRenderTarget;
if (renderTarget.LevelCount > 1)
{
gl.bindTexture(renderTarget.GLTarget, renderTarget.GLTexture);
GraphicsExtensions.CheckGLError();
this.framebufferHelper.GenerateMipmap((int)renderTarget.GLTarget);
}
}
}
public void deleteFramebuffer(WebGLFramebuffer framebuffer) { }
internal virtual void BindFramebuffer(WebGLFramebuffer framebuffer)
{
gl.bindFramebuffer(gl.FRAMEBUFFER, framebuffer);
GraphicsExtensions.CheckGLError();
}
public void deleteFramebuffer(WebGLFramebuffer framebuffer)
{
throw new NotImplementedException();
}
public bool isFramebuffer(WebGLFramebuffer framebuffer)
{
throw new NotImplementedException();
}
public void bindFramebuffer(int target, WebGLFramebuffer framebuffer)
{
this.openGl.BindFramebufferEXT((uint)target, framebuffer != null ? framebuffer.Value : 0);
this.ErrorTest();
}
internal virtual void BindReadFramebuffer(WebGLFramebuffer readFramebuffer)
{
}
public void BindFramebuffer(FramebufferType target, WebGLFramebuffer framebuffer) => this.CallMethod <object>(BIND_FRAMEBUFFER, target, framebuffer);
public void DeleteFramebuffer(WebGLFramebuffer buffer) => this.CallMethod <object>(DELETE_FRAMEBUFFER, buffer);
public void bindFramebuffer(int target, WebGLFramebuffer framebuffer) { }
public bool IsFramebuffer(WebGLFramebuffer framebuffer) => this.CallMethod <bool>(IS_FRAMEBUFFER, framebuffer);
public bool isFramebuffer(WebGLFramebuffer framebuffer) { return default(bool); }
// Default WebGL2Framebuffer
private WebGL2Framebuffer()
{
id = null;
IsDefault = true;
}