protected override void InitializeService()
{
if (RenderStack.Graphics.Configuration.canUseFramebufferObject)
{
framebuffer = FramebufferFactory.Create(size, size);
framebuffer.AttachTexture(
FramebufferAttachment.ColorAttachment0,
PixelFormat.Red,
PixelInternalFormat.Rgb8
//PixelInternalFormat.R8
//PixelInternalFormat.Rgb32f
);
framebuffer.AttachRenderBuffer(
FramebufferAttachment.DepthAttachment,
//PixelFormat.DepthComponent,
RenderbufferStorage.DepthComponent24,
0
);
framebuffer.Begin();
framebuffer.Check();
framebuffer.End();
}
camera.Projection.ProjectionType = ProjectionType.Other;
camera.Projection.NearParameter.X = 0.01f;
}
private void CreateFramebuffers()
{
framebuffer = FramebufferFactory.Create(renderer.Width, renderer.Height);
framebuffer.AttachRenderBuffer(
FramebufferAttachment.ColorAttachment0,
//PixelFormat.RedInteger,
RenderbufferStorage.R16f,
0
);
framebuffer.AttachRenderBuffer(
FramebufferAttachment.DepthAttachment,
//PixelFormat.DepthComponent,
RenderbufferStorage.DepthComponent32,
0
);
framebuffer.Begin();
framebuffer.Check();
framebuffer.End();
}
public void CreateWindowSizeResources()
{
System.Diagnostics.Debug.WriteLine("CreateWindowSizeResources()");
@default = FramebufferFactory.Create(window);
if (Configuration.gammaCorrect)
{
bool sRgbEnable = GL.IsEnabled(EnableCap.FramebufferSrgb);
linear = FramebufferFactory.Create(window.Width, window.Height);
int samples = 4;
linear.AttachRenderBuffer(
FramebufferAttachment.ColorAttachment0,
PixelFormat.Rgb,
RenderbufferStorage.Rgb32f,
samples
);
linear.AttachRenderBuffer(
FramebufferAttachment.DepthAttachment,
PixelFormat.DepthComponent,
RenderbufferStorage.DepthComponent32,
samples
);
linear.Begin();
linear.Check();
linear.End();
multisampleResolve = FramebufferFactory.Create(window.Width, window.Height);
multisampleResolve.AttachTexture(
FramebufferAttachment.ColorAttachment0,
PixelFormat.Rgb,
PixelInternalFormat.Rgb32f
);
multisampleResolve.Begin();
multisampleResolve.Check();
multisampleResolve.End();
}
System.Diagnostics.Debug.WriteLine("CreateWindowSizeResources() done");
}
void CreateViews()
{
for (int i = 0; i < views.Length; ++i)
{
views[i] = FramebufferFactory.Create(window.Width, window.Height);
views[i].AttachTexture(
FramebufferAttachment.ColorAttachment0,
PixelFormat.Rgba,
PixelInternalFormat.Rgb8
);
views[i].AttachRenderBuffer(
FramebufferAttachment.DepthAttachment,
//PixelFormat.DepthComponent,
RenderbufferStorage.Depth24Stencil8,
0
);
views[i].Begin();
views[i].Check();
views[i].End();
}
}
private void CreateFramebuffers()
{
if (useFramebuffer == false)
{
return;
}
framebuffer = FramebufferFactory.Create(renderer.Width, renderer.Height);
if (RenderStack.Graphics.Configuration.useIntegerPolygonIDs)
{
framebuffer.AttachRenderBuffer(
FramebufferAttachment.ColorAttachment0,
//PixelFormat.RedInteger,
RenderbufferStorage.R32ui,
0
);
}
else
{
framebuffer.AttachRenderBuffer(
FramebufferAttachment.ColorAttachment0,
//PixelFormat.Rgb,
RenderbufferStorage.Rgb8,
0
);
}
framebuffer.AttachRenderBuffer(
FramebufferAttachment.DepthAttachment,
//PixelFormat.DepthComponent,
RenderbufferStorage.DepthComponent32,
0
);
framebuffer.Begin();
framebuffer.Check();
framebuffer.End();
}
public void SetLightCount(int n)
{
if (n == currentLightCount)
{
return;
}
currentLightCount = n;
// \todo if n < currentLightCount ?
if (RenderStack.Graphics.Configuration.useGl1 == true)
{
return;
}
if (shadow != null)
{
shadow.Dispose();
}
shadow = FramebufferFactory.Create(Configuration.shadowResolution, Configuration.shadowResolution);
if (example.Renderer.Configuration.hardwareShadowPCF)
{
shadowAttachment = FramebufferAttachment.DepthAttachment;
var texture = shadow.AttachTextureArray(
FramebufferAttachment.DepthAttachment,
PixelFormat.DepthComponent,
PixelInternalFormat.DepthComponent,
n
);
}
else
{
shadowAttachment = FramebufferAttachment.ColorAttachment0;
if (
(RenderStack.Graphics.Configuration.canUseTextureArrays) &&
(RenderStack.Graphics.Configuration.glslVersion >= 330)
)
{
shadow.AttachTextureArray(
FramebufferAttachment.ColorAttachment0,
PixelFormat.Red,
//PixelInternalFormat.R16f,
PixelInternalFormat.R32f,
n
);
}
else
{
shadow.AttachTexture(
FramebufferAttachment.ColorAttachment0,
PixelFormat.Red,
//PixelInternalFormat.R16f,
PixelInternalFormat.R32f
);
}
shadow.AttachRenderBuffer(
FramebufferAttachment.DepthAttachment,
//PixelFormat.DepthComponent,
RenderbufferStorage.DepthComponent32,
0
);
}
shadow.Begin();
shadow.Check();
shadow.End();
var noShadow = materialManager.Textures["NoShadow"] = new TextureGL(
1, 1, PixelFormat.Red, PixelInternalFormat.R16f, n
);
System.Single[] whiteData = new System.Single[n];
for (int i = 0; i < n; ++i)
{
whiteData[i] = 1.0f;
}
noShadow.Upload(whiteData, 0);
}
protected override void InitializeService()
{
Size = size;
halfSize = size / 2;
int i;
smallestMipmapLevel = 0;
int mipmapSize = size;
while (mipmapSize > 1)
{
mipmapSize /= 2;
++smallestMipmapLevel;
}
for (i = 0; i < 3; ++i)
{
framebuffer[i] = FramebufferFactory.Create(size, size);
framebuffer[i].AttachTexture(
FramebufferAttachment.ColorAttachment0,
pixelFormat,
pixelInternalFormat
);
framebuffer[i].AttachRenderBuffer(
FramebufferAttachment.DepthAttachment,
//PixelFormat.DepthComponent,
RenderbufferStorage.DepthComponent32,
0
);
framebuffer[i].Begin();
framebuffer[i].Check();
framebuffer[i].End();
}
for (i = 0; i < 5; ++i)
{
// posx, negx, posy, negy, negz
camera[i] = new Camera();
camera[i].Projection.ProjectionType = ProjectionType.GenericFrustum;
camera[i].Projection.FovXRadians = (float)Math.PI * 0.5f;
camera[i].Projection.FovYRadians = (float)Math.PI * 0.5f;
camera[i].Projection.Near = Near;
camera[i].Name = "Hemeicube camera " + i.ToString();
}
/* Scale frustums left right bottom top */
SetupCameraFrustum(camera[(int)HemicubeOrientation.PosX], 0.0f, 0.5f, -0.5f, 0.5f);
SetupCameraFrustum(camera[(int)HemicubeOrientation.NegX], -0.5f, 0.0f, -0.5f, 0.5f);
SetupCameraFrustum(camera[(int)HemicubeOrientation.NegY], -0.5f, 0.5f, 0.0f, 0.5f);
SetupCameraFrustum(camera[(int)HemicubeOrientation.PosY], -0.5f, 0.5f, -0.5f, 0.0f);
SetupCameraFrustum(camera[(int)HemicubeOrientation.NegZ], -0.5f, 0.5f, -0.5f, 0.5f);
// I figured out these experimentally. I do not fully understand why
// X and Z is inverted from what would be expected while Y is not.
// Possibly this has to do something with the fact that camera is
// looking at the negative Z. Figure out.
Matrix4.CreateLookAt(Vector3.Zero, new Vector3(-1.0f, 0.0f, 0.0f), new Vector3(0.0f, -1.0f, 0.0f), out faceOrientation[0]); // posx
Matrix4.CreateLookAt(Vector3.Zero, new Vector3(1.0f, 0.0f, 0.0f), new Vector3(0.0f, -1.0f, 0.0f), out faceOrientation[1]); // negx
Matrix4.CreateLookAt(Vector3.Zero, new Vector3(0.0f, 1.0f, 0.0f), new Vector3(0.0f, 0.0f, -1.0f), out faceOrientation[2]); // posy
Matrix4.CreateLookAt(Vector3.Zero, new Vector3(0.0f, -1.0f, 0.0f), new Vector3(0.0f, 0.0f, 1.0f), out faceOrientation[3]); // negy
Matrix4.CreateLookAt(Vector3.Zero, new Vector3(0.0f, 0.0f, 1.0f), new Vector3(0.0f, -1.0f, 0.0f), out faceOrientation[4]); // negz
viewport[0] = new Viewport(halfSize, 0, halfSize, size); // posx
viewport[1] = new Viewport(0, 0, halfSize, size); // negx
viewport[2] = new Viewport(0, halfSize, size, halfSize); // posy
viewport[3] = new Viewport(0, 0, size, halfSize); // negy
viewport[4] = new Viewport(0, 0, size, size); // negz
}