public static void SetupColorTextures(this FrameBufferRef fbRef, params int[] indices)
{
for (int i = 0; i < indices.Length; i++)
{
fbRef.SetupColorTexture(indices[i]);
}
}
public void Dispose()
{
_shader?.Dispose();
_shader = null;
if (_frameBuffer != null)
{
_platform.DisposeFrameBuffer(_frameBuffer);
_frameBuffer = null;
}
}
private void SetupFramebuffers(List <FrameBufferRef> mainBuffers)
{
if (_frameBuffer != null)
{
_platform.DisposeFrameBuffer(_frameBuffer);
_frameBuffer = null;
}
var ssao = ClientSettings.SSAOQuality > 0;
if (!ssao || !_enabled)
{
return;
}
var fbPrimary = mainBuffers[(int)EnumFrameBuffer.Primary];
var fbWidth = (int)(_platform.window.Width * ClientSettings.SSAA);
var fbHeight = (int)(_platform.window.Height * ClientSettings.SSAA);
if (fbWidth == 0 || fbHeight == 0)
{
return;
}
var fb = new FrameBufferRef
{
FboId = GL.GenFramebuffer(),
Width = fbWidth,
Height = fbHeight,
ColorTextureIds = ArrayUtil.CreateFilled(2, _ => GL.GenTexture())
};
GL.BindFramebuffer(FramebufferTarget.Framebuffer, fb.FboId);
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.DepthAttachment,
TextureTarget.Texture2D, fbPrimary.DepthTextureId, 0);
fb.SetupColorTexture(0);
fb.SetupColorTexture(1);
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment2,
TextureTarget.Texture2D, fbPrimary.ColorTextureIds[2], 0);
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment3,
TextureTarget.Texture2D, fbPrimary.ColorTextureIds[3], 0);
GL.DrawBuffers(4, new []
{
DrawBuffersEnum.ColorAttachment0, DrawBuffersEnum.ColorAttachment1,
DrawBuffersEnum.ColorAttachment2, DrawBuffersEnum.ColorAttachment3
});
Framebuffers.CheckStatus();
_frameBuffer = fb;
_screenQuad = _platform.GetScreenQuad();
}
public static void SetupColorTexture(this FrameBufferRef fbRef, int textureId)
{
GL.BindTexture(TextureTarget.Texture2D, fbRef.ColorTextureIds[textureId]);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba8, fbRef.Width, fbRef.Height, 0, PixelFormat.Rgba, PixelType.UnsignedShort, IntPtr.Zero);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter,
(int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter,
(int)TextureMagFilter.Linear);
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0 + textureId,
TextureTarget.Texture2D, fbRef.ColorTextureIds[textureId], 0);
}
public static void SetupDepthTexture(this FrameBufferRef fbRef)
{
GL.BindTexture(TextureTarget.Texture2D, fbRef.DepthTextureId);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.DepthComponent32,
fbRef.Width, fbRef.Height, 0, PixelFormat.DepthComponent, PixelType.Float, IntPtr.Zero);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter,
(int)TextureMinFilter.Nearest);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter,
(int)TextureMagFilter.Nearest);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS,
(int)TextureWrapMode.ClampToEdge);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT,
(int)TextureWrapMode.ClampToEdge);
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.DepthAttachment,
TextureTarget.Texture2D, fbRef.DepthTextureId, 0);
}
public static void SetupTextures(this FrameBufferRef fbRef, int[] vIds, int[] cIds, bool depth = true)
{
GL.BindFramebuffer(FramebufferTarget.Framebuffer, fbRef.FboId);
if (depth)
{
fbRef.SetupDepthTexture();
}
fbRef.SetupVertexTextures(vIds);
fbRef.SetupColorTextures(cIds);
DrawBuffersEnum[] attachments = ArrayUtil.CreateFilled(vIds.Length + cIds.Length, i => DrawBuffersEnum.ColorAttachment0 + i);
GL.DrawBuffers(attachments.Length, attachments);
fbRef.CheckStatus();
}
public static void SetupVertexTexture(this FrameBufferRef fbRef, int textureId)
{
GL.BindTexture(TextureTarget.Texture2D, fbRef.ColorTextureIds[textureId]);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba16f, fbRef.Width, fbRef.Height, 0,
PixelFormat.Rgba, PixelType.Float, IntPtr.Zero);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter,
(int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter,
(int)TextureMagFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureBorderColor,
new[] { 1f, 1f, 1f, 1f });
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS,
(int)TextureWrapMode.ClampToBorder);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT,
(int)TextureWrapMode.ClampToBorder);
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0 + textureId,
TextureTarget.Texture2D, fbRef.ColorTextureIds[textureId], 0);
}
public void SetupFramebuffers(List <FrameBufferRef> mainBuffers)
{
_mod.Mod.Logger.Event("Recreating framebuffers");
for (var i = 0; i < _framebuffers.Length; i++)
{
if (_framebuffers[i] == null)
{
continue;
}
_platform.DisposeFrameBuffer(_framebuffers[i]);
_framebuffers[i] = null;
}
// create new framebuffer
_fbWidth = (int)(_platform.window.Width * ClientSettings.SSAA);
_fbHeight = (int)(_platform.window.Height * ClientSettings.SSAA);
if (_fbWidth == 0 || _fbHeight == 0)
{
return;
}
var framebuffer = new FrameBufferRef
{
FboId = GL.GenFramebuffer(), Width = _fbWidth, Height = _fbHeight, DepthTextureId = GL.GenTexture()
};
GL.BindFramebuffer(FramebufferTarget.Framebuffer, framebuffer.FboId);
framebuffer.SetupDepthTexture();
// create our normal and position textures
framebuffer.ColorTextureIds = ArrayUtil.CreateFilled(_refractionsEnabled ? 4 : 3, _ => GL.GenTexture());
// bind and setup textures
framebuffer.SetupVertexTexture(0);
framebuffer.SetupVertexTexture(1);
framebuffer.SetupColorTexture(2);
if (_refractionsEnabled)
{
framebuffer.SetupVertexTexture(3);
}
if (_refractionsEnabled)
{
GL.DrawBuffers(4,
new[]
{
DrawBuffersEnum.ColorAttachment0, DrawBuffersEnum.ColorAttachment1, DrawBuffersEnum.ColorAttachment2,
DrawBuffersEnum.ColorAttachment3
});
}
else
{
GL.DrawBuffers(3,
new[]
{
DrawBuffersEnum.ColorAttachment0, DrawBuffersEnum.ColorAttachment1,
DrawBuffersEnum.ColorAttachment2
});
}
Framebuffers.CheckStatus();
_framebuffers[(int)EnumSSRFB.SSR] = framebuffer;
// setup output framebuffer
framebuffer = new FrameBufferRef
{
FboId = GL.GenFramebuffer(), Width = _fbWidth, Height = _fbHeight
};
GL.BindFramebuffer(FramebufferTarget.Framebuffer, framebuffer.FboId);
framebuffer.ColorTextureIds = new[] { GL.GenTexture() };
framebuffer.SetupColorTexture(0);
GL.DrawBuffer(DrawBufferMode.ColorAttachment0);
Framebuffers.CheckStatus();
_framebuffers[(int)EnumSSRFB.Out] = framebuffer;
if (_causticsEnabled)
{
framebuffer = new FrameBufferRef
{
FboId = GL.GenFramebuffer(), Width = _fbWidth, Height = _fbHeight
};
GL.BindFramebuffer(FramebufferTarget.Framebuffer, framebuffer.FboId);
framebuffer.ColorTextureIds = new[] { GL.GenTexture() };
framebuffer.SetupSingleColorTexture(0);
GL.DrawBuffer(DrawBufferMode.ColorAttachment0);
Framebuffers.CheckStatus();
_framebuffers[(int)EnumSSRFB.Caustics] = framebuffer;
}
_screenQuad = _platform.GetScreenQuad();
}
public static void CheckStatus(this FrameBufferRef fbRef) => CheckStatus();
