public override bool Bind()
{
Debug.Assert(!isDisposed);
Upload();
if (textureId <= 0)
{
return(false);
}
if (IsTransparent)
{
return(false);
}
OsuGlControl.BindTexture(textureId);
if (internalWrapMode != WrapMode)
{
updateWrapMode();
}
return(true);
}
internal void Unbind()
{
if (!bound)
{
return;
}
if (OsuGlControl.CanUseFBO)
{
currentFrameBuffer = lastFrameBuffer;
GL.BindFramebuffer(FramebufferTarget.Framebuffer, lastFrameBuffer);
}
else
{
//Copy from backbuffer
OsuGlControl.BindTexture(Texture.TextureId);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)All.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)All.Linear);
GL.CopyTexSubImage2D(All.Texture2D, 0, (int)copyDstPosition.X, (int)copyDstPosition.Y, copySrcRectangle.X, copySrcRectangle.Y, copySrcRectangle.Width, copySrcRectangle.Height);
}
if (OsuGlControl.Viewport != prevViewport)
{
OsuGlControl.ResetViewport(prevViewport);
OsuGlControl.ResetOrtho(prevOrtho);
}
bound = false;
}
internal RenderTarget2D(TextureGlSingle texture, RenderbufferInternalFormat?renderBufferType = null)
{
Texture = texture;
this.renderBufferType = renderBufferType;
viewport = new Rectangle(0, 0, Width, Height);
// Make sure the texture is generated and allocated to the proper size.
Texture.SetData(new byte[0]);
Texture.Upload();
if (OsuGlControl.CanUseFBO)
{
lastFrameBuffer = currentFrameBuffer;
currentFrameBuffer = frameBuffer = GL.GenFramebuffer();
GL.BindFramebuffer(FramebufferTarget.Framebuffer, frameBuffer);
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, All.ColorAttachment0, TextureTarget2d.Texture2D, Texture.TextureId, 0);
OsuGlControl.BindTexture(0);
if (renderBufferType != null)
{
renderBuffer = GL.GenRenderbuffer();
GL.BindRenderbuffer(RenderbufferTarget.Renderbuffer, renderBuffer);
GL.RenderbufferStorage(RenderbufferTarget.Renderbuffer, RenderbufferInternalFormat.DepthComponent16, Width, Height);
GL.FramebufferRenderbuffer(FramebufferTarget.Framebuffer, All.DepthAttachment, RenderbufferTarget.Renderbuffer, renderBuffer);
TotalRenderBuffers++;
}
currentFrameBuffer = lastFrameBuffer;
GL.BindFramebuffer(FramebufferTarget.Framebuffer, lastFrameBuffer);
TotalFrameBuffers++;
}
SetCopyRectangle();
}
public override bool Upload()
{
if (ConfigManager.dDisableTextureUploads)
{
return(false);
}
// We should never run raw OGL calls on another thread than the main thread due to race conditions.
Debug.Assert(GameBase.MainThread == Thread.CurrentThread);
if (isDisposed)
{
return(false);
}
lock (this)
{
if (dataToBeUploaded == null)
{
return(false);
}
IntPtr dataPointer;
GCHandle?h0;
if (dataToBeUploaded.Length == 0)
{
h0 = null;
dataPointer = IntPtr.Zero;
}
else
{
h0 = GCHandle.Alloc(dataToBeUploaded, GCHandleType.Pinned);
dataPointer = h0.Value.AddrOfPinnedObject();
}
try
{
if (levelToBeUploaded > 0)
{
return(false);
}
// Do we need to generate a new texture?
if (textureId <= 0 || internalWidth < width || internalHeight < height)
{
GameBase.PerformanceMonitor.ReportCount(CounterType.TextureGen);
internalWidth = width;
internalHeight = height;
potWidth = TextureGl.GetPotDimension(width);
potHeight = TextureGl.GetPotDimension(height);
// We only need to generate a new texture if we don't have one already. Otherwise just re-use the current one.
if (textureId <= 0)
{
#if DEBUG
++GameBase.AmountTextures;
#endif
int[] textures = new int[1];
GL.GenTextures(1, textures);
textureId = textures[0];
OsuGlControl.BindTexture(textureId);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)All.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)All.Linear);
updateWrapMode();
}
else
{
OsuGlControl.BindTexture(textureId);
}
if (potWidth == boundsToBeUploaded.Width && potHeight == boundsToBeUploaded.Height || dataPointer == IntPtr.Zero)
{
GL.TexImage2D(TextureTarget2d.Texture2D, levelToBeUploaded, TextureComponentCount.Rgba, potWidth, potHeight, 0, formatToBeUploaded, PixelType.UnsignedByte, dataPointer);
}
else
{
if (transparentBlack.Length < potWidth * potHeight * 4)
{
transparentBlack = new byte[potWidth * potHeight * 4]; // Default value is 0, exactly what we need.
}
GCHandle h1 = GCHandle.Alloc(transparentBlack, GCHandleType.Pinned);
GL.TexImage2D(TextureTarget2d.Texture2D, levelToBeUploaded, TextureComponentCount.Rgba, potWidth, potHeight, 0, formatToBeUploaded, PixelType.UnsignedByte, h1.AddrOfPinnedObject());
h1.Free();
GL.TexSubImage2D(TextureTarget2d.Texture2D, levelToBeUploaded, boundsToBeUploaded.X, boundsToBeUploaded.Y, boundsToBeUploaded.Width, boundsToBeUploaded.Height, formatToBeUploaded, PixelType.UnsignedByte, dataPointer);
}
}
// Just update content of the current texture
else if (dataPointer != IntPtr.Zero)
{
GameBase.PerformanceMonitor.ReportCount(CounterType.TextureUpload);
OsuGlControl.BindTexture(textureId);
GL.TexSubImage2D(TextureTarget2d.Texture2D, levelToBeUploaded, boundsToBeUploaded.X, boundsToBeUploaded.Y, boundsToBeUploaded.Width, boundsToBeUploaded.Height, formatToBeUploaded, PixelType.UnsignedByte, dataPointer);
}
return(true);
}
finally
{
if (h0.HasValue)
{
h0.Value.Free();
}
if (dataToBeUploaded != null)
{
FreeBuffer(dataToBeUploaded);
}
dataToBeUploaded = null;
}
}
}
