public ITexture Bind(bool CreateNewTexture, Size size)
{
VerifyThreadAffinity();
// Cache viewport rect to restore when unbinding
cv = ViewportRectangle();
OpenGL.glFlush();
OpenGL.CheckGLError();
OpenGL.glBindFramebuffer(OpenGL.FRAMEBUFFER_EXT, framebuffer);
OpenGL.CheckGLError();
ITextureInternal tex = null;
if (CreateNewTexture)
{
tex = new Texture();
}
this.texture.Add(tex);
tex.SetEmpty(size.Width, size.Height);
OpenGL.glFramebufferTexture2D(OpenGL.FRAMEBUFFER_EXT, OpenGL.COLOR_ATTACHMENT0_EXT, OpenGL.GL_TEXTURE_2D, tex.ID, 0);
OpenGL.CheckGLError();
OpenGL.glViewport(0, 0, size.Width, size.Height);
OpenGL.CheckGLError();
OpenGL.glClearColor(0, 0, 0, 0);
OpenGL.CheckGLError();
OpenGL.glClear(OpenGL.GL_COLOR_BUFFER_BIT | OpenGL.GL_DEPTH_BUFFER_BIT);
OpenGL.CheckGLError();
return(tex);
}
public ThreadedTexture(ThreadedGraphicsContext device, ITextureInternal texture)
{
this.device = device;
id = texture.ID;
getScaleFilter = () => texture.ScaleFilter;
setScaleFilter = value => texture.ScaleFilter = (TextureScaleFilter)value;
getSize = () => texture.Size;
setEmpty = tuple => { var t = (ValueTuple <int, int>)tuple; texture.SetEmpty(t.Item1, t.Item2); };
getData = () => texture.GetData();
setData1 = colors => { texture.SetData((uint[, ])colors); return(null); };
setData2 = tuple => { var t = (ValueTuple <byte[], int, int>)tuple; texture.SetData(t.Item1, t.Item2, t.Item3); };
dispose = texture.Dispose;
}
public FrameBuffer(Size size, ITextureInternal texture, Color clearColor)
{
this.size = size;
this.clearColor = clearColor;
if (!Exts.IsPowerOf2(size.Width) || !Exts.IsPowerOf2(size.Height))
{
throw new InvalidDataException("Frame buffer size ({0}x{1}) must be a power of two".F(size.Width, size.Height));
}
OpenGL.glGenFramebuffers(1, out framebuffer);
OpenGL.CheckGLError();
OpenGL.glBindFramebuffer(OpenGL.GL_FRAMEBUFFER, framebuffer);
OpenGL.CheckGLError();
// Color
this.texture = texture;
texture.SetEmpty(size.Width, size.Height);
OpenGL.glFramebufferTexture2D(OpenGL.GL_FRAMEBUFFER, OpenGL.GL_COLOR_ATTACHMENT0, OpenGL.GL_TEXTURE_2D, texture.ID, 0);
OpenGL.CheckGLError();
// Depth
OpenGL.glGenRenderbuffers(1, out depth);
OpenGL.CheckGLError();
OpenGL.glBindRenderbuffer(OpenGL.GL_RENDERBUFFER, depth);
OpenGL.CheckGLError();
var glDepth = OpenGL.Profile == GLProfile.Embedded ? OpenGL.GL_DEPTH_COMPONENT16 : OpenGL.GL_DEPTH_COMPONENT;
OpenGL.glRenderbufferStorage(OpenGL.GL_RENDERBUFFER, glDepth, size.Width, size.Height);
OpenGL.CheckGLError();
OpenGL.glFramebufferRenderbuffer(OpenGL.GL_FRAMEBUFFER, OpenGL.GL_DEPTH_ATTACHMENT, OpenGL.GL_RENDERBUFFER, depth);
OpenGL.CheckGLError();
// Test for completeness
var status = OpenGL.glCheckFramebufferStatus(OpenGL.GL_FRAMEBUFFER);
if (status != OpenGL.GL_FRAMEBUFFER_COMPLETE)
{
var error = "Error creating framebuffer: {0}\n{1}".F(status, new StackTrace());
OpenGL.WriteGraphicsLog(error);
throw new InvalidOperationException("OpenGL Error: See graphics.log for details.");
}
// Restore default buffer
OpenGL.glBindFramebuffer(OpenGL.GL_FRAMEBUFFER, 0);
OpenGL.CheckGLError();
}
public void ReBind(ITextureInternal t)
{
VerifyThreadAffinity();
// Cache viewport rect to restore when unbinding
cv = ViewportRectangle();
OpenGL.glFlush();
OpenGL.CheckGLError();
OpenGL.glBindFramebuffer(OpenGL.FRAMEBUFFER_EXT, framebuffer);
OpenGL.CheckGLError();
OpenGL.glFramebufferTexture2D(OpenGL.FRAMEBUFFER_EXT, OpenGL.COLOR_ATTACHMENT0_EXT, OpenGL.GL_TEXTURE_2D, t.ID, 0);
OpenGL.CheckGLError();
OpenGL.glViewport(0, 0, size.Width, size.Height);
OpenGL.CheckGLError();
OpenGL.glClearColor(0, 0, 0, 0);
OpenGL.CheckGLError();
OpenGL.glClear(OpenGL.GL_COLOR_BUFFER_BIT | OpenGL.GL_DEPTH_BUFFER_BIT);
OpenGL.CheckGLError();
}
public IFrameBuffer CreateFrameBuffer(Size s, ITextureInternal texture, Color clearColor)
{
VerifyThreadAffinity();
return(new FrameBuffer(s, texture, clearColor));
}
public FrameBuffer CreateFrameBuffer(Size s, ITextureInternal texture)
{
VerifyThreadAffinity();
return(new FrameBuffer(s, texture));
}