internal static OpenGLBindings.BlitFilter ToOpenGL(this BlitFilter blitFilter)
{
switch (blitFilter)
{
case BlitFilter.Nearest:
return(OpenGLBindings.BlitFilter.Nearest);
case BlitFilter.Linear:
return(OpenGLBindings.BlitFilter.Linear);
default:
throw new IllegalValueException(typeof(BlitFilter), blitFilter);
}
}
internal static double ToWebGL2(this BlitFilter blitFilter)
{
switch (blitFilter)
{
case BlitFilter.Nearest:
return(NEAREST);
case BlitFilter.Linear:
return(LINEAR);
default:
throw new IllegalValueException(typeof(BlitFilter), blitFilter);
}
}
public void BlitTextureTo(RenderTarget target, int textureNum, BlitFilter filter, int x, int y)
{
BlitTextureTo(target, textureNum, filter, new RectangleI(x, y, Width, Height));
}
public void BlitTextureTo(Framebuffer target, TextureAttachment textureAttachment, BlitFilter filter, RectangleI rect)
{
throw new CKGLException($"WebGL 1.0 does not support blitting framebuffers.");
}
public void BlitTextureTo(Framebuffer target, TextureAttachment textureAttachment, BlitFilter filter, int x, int y) => BlitTextureTo(target, textureAttachment, filter, new RectangleI(x, y, Width, Height));
public void BlitTextureTo(Framebuffer target, TextureAttachment textureAttachment, BlitFilter filter, RectangleI rect)
{
if (textureAttachment < 0)
{
throw new ArgumentOutOfRangeException($"Can't blit a depth texture.");
}
Graphics.State.OnStateChanging.Invoke();
OpenGLFramebuffer originalFramebuffer = Current as OpenGLFramebuffer;
GL.BindFramebuffer(FramebufferTarget.Read, id);
Swaps++;
GL.BindFramebuffer(FramebufferTarget.Draw, ((OpenGLFramebuffer)target ?? (OpenGLFramebuffer)Default).id);
Swaps++;
Graphics.SetViewport(target);
Graphics.SetScissorTest(target);
GL.ReadBuffer((ReadBuffer)((uint)ReadBuffer.Colour0 + (uint)textureAttachment));
GL.BlitFramebuffer(new RectangleI(Width, Height), rect, BufferBit.Colour, filter.ToOpenGL());
//GL.BlitFramebuffer(new RectangleI(Width, Height), rect, textureAttachment >= 0 ? BufferBit.Colour : BufferBit.Depth, filter.ToOpenGL());
// Reset Framebuffer
GL.BindFramebuffer(FramebufferTarget.Framebuffer, (originalFramebuffer ?? (OpenGLFramebuffer)Default).id);
Blits++;
Graphics.State.OnStateChanged.Invoke();
}
public void BlitTextureTo(Framebuffer target, TextureAttachment textureAttachment, BlitFilter filter, RectangleI rect)
{
if (textureAttachment < 0)
{
throw new ArgumentOutOfRangeException($"Can't blit a depth texture.");
}
Graphics.State.OnStateChanging.Invoke();
WebGL2Framebuffer originalFramebuffer = Current as WebGL2Framebuffer;
GL.bindFramebuffer(READ_FRAMEBUFFER_Static, id);
Swaps++;
GL.bindFramebuffer(DRAW_FRAMEBUFFER_Static, ((WebGL2Framebuffer)target ?? (WebGL2Framebuffer)Default).id);
Swaps++;
Graphics.SetViewport(target);
Graphics.SetScissorTest(target);
GL.readBuffer(textureAttachment.ToWebGL2());
GL.blitFramebuffer(0, 0, Width, Height, rect.Left, rect.Bottom, rect.Right, rect.Top, COLOR_BUFFER_BIT, filter.ToWebGL2());
//GL.blitFramebuffer(new RectangleI(Width, Height), rect, textureAttachment >= 0 ? BufferBit.Colour : DEPTH_BUFFER_BIT, filter.ToWebGL2());
// Reset Framebuffer
GL.bindFramebuffer(FRAMEBUFFER, (originalFramebuffer ?? (WebGL2Framebuffer)Default).id);
Blits++;
Graphics.State.OnStateChanged.Invoke();
}