private void EnableTextures()
{
for (int i = 0; i < this.textures.Length; i++)
{
TextureBase itexture = this.textures[i];
if (itexture != null)
{
if (itexture.GetType() == typeof(Texture2D))
{
Texture2D texture = (Texture2D)itexture;
Gl.glActiveTexture(Gl.GL_TEXTURE0 + i);
Gl.glBindTexture(Gl.GL_TEXTURE_2D, texture.Handle);
Gl.glEnable(Gl.GL_TEXTURE_2D);
}
if (itexture.GetType() == typeof(TextureCube))
{
TextureCube cubetexture = (TextureCube)itexture;
Gl.glActiveTexture(Gl.GL_TEXTURE0 + i);
Gl.glBindTexture(Gl.GL_TEXTURE_CUBE_MAP, cubetexture.Handle);
Gl.glEnable(Gl.GL_TEXTURE_CUBE_MAP);
}
}
}
}
public static TextureCube FromBitmap(Device device, Bitmap px, Bitmap py, Bitmap pz, Bitmap nx, Bitmap ny, Bitmap nz)
{
TextureCube texture = new TextureCube();
texture.device = device;
texture.internalFormat = TextureFormat.RGB8;
texture.type = ElementType.UByte;
texture.baseformat = Gl.GL_BGR;
texture.width = px.Width;
px.RotateFlip(RotateFlipType.RotateNoneFlipY);
nx.RotateFlip(RotateFlipType.RotateNoneFlipY);
py.RotateFlip(RotateFlipType.RotateNoneFlipY);
ny.RotateFlip(RotateFlipType.RotateNoneFlipY);
pz.RotateFlip(RotateFlipType.RotateNoneFlipY);
nz.RotateFlip(RotateFlipType.RotateNoneFlipY);
Gl.glGenTextures(1, out texture.handle);
Gl.glBindTexture(Gl.GL_TEXTURE_CUBE_MAP, texture.handle);
Gl.glTexParameteri(Gl.GL_TEXTURE_CUBE_MAP, Gl.GL_TEXTURE_MIN_FILTER, Gl.GL_NEAREST);
Gl.glTexParameteri(Gl.GL_TEXTURE_CUBE_MAP, Gl.GL_TEXTURE_MAG_FILTER, Gl.GL_NEAREST);
Gl.glTexParameteri(Gl.GL_TEXTURE_CUBE_MAP, Gl.GL_TEXTURE_WRAP_T, Gl.GL_CLAMP_TO_EDGE);
Gl.glTexParameteri(Gl.GL_TEXTURE_CUBE_MAP, Gl.GL_TEXTURE_WRAP_S, Gl.GL_CLAMP_TO_EDGE);
BitmapData pxd = px.LockBits(new Rectangle(0, 0, texture.width, texture.width), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
Gl.glTexImage2D(Gl.GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0, (int)texture.internalFormat, (int)texture.width, (int)texture.width, 0, (int)texture.baseformat, (int)texture.type, pxd.Scan0);
px.UnlockBits(pxd);
BitmapData nxd = nx.LockBits(new Rectangle(0, 0, texture.width, texture.width), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
Gl.glTexImage2D(Gl.GL_TEXTURE_CUBE_MAP_NEGATIVE_X, 0, (int)texture.internalFormat, (int)texture.width, (int)texture.width, 0, (int)texture.baseformat, (int)texture.type, nxd.Scan0);
nx.UnlockBits(nxd);
BitmapData pyd = py.LockBits(new Rectangle(0, 0, texture.width, texture.width), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
Gl.glTexImage2D(Gl.GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, 0, (int)texture.internalFormat, (int)texture.width, (int)texture.width, 0, (int)texture.baseformat, (int)texture.type, pyd.Scan0);
py.UnlockBits(pyd);
BitmapData nyd = ny.LockBits(new Rectangle(0, 0, texture.width, texture.width), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
Gl.glTexImage2D(Gl.GL_TEXTURE_CUBE_MAP_POSITIVE_Y, 0, (int)texture.internalFormat, (int)texture.width, (int)texture.width, 0, (int)texture.baseformat, (int)texture.type, nyd.Scan0);
ny.UnlockBits(nyd);
BitmapData pzd = pz.LockBits(new Rectangle(0, 0, texture.width, texture.width), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
Gl.glTexImage2D(Gl.GL_TEXTURE_CUBE_MAP_POSITIVE_Z, 0, (int)texture.internalFormat, (int)texture.width, (int)texture.width, 0, (int)texture.baseformat, (int)texture.type, pzd.Scan0);
pz.UnlockBits(pzd);
BitmapData nzd = nz.LockBits(new Rectangle(0, 0, texture.width, texture.width), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
Gl.glTexImage2D(Gl.GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, 0, (int)texture.internalFormat, (int)texture.width, (int)texture.width, 0, (int)texture.baseformat, (int)texture.type, nzd.Scan0);
nz.UnlockBits(nzd);
Gl.glBindTexture(Gl.GL_TEXTURE_CUBE_MAP, 0);
return(texture);
}
/// <summary>
/// Begins a FrameBuffer Pass. Binds a CubeTexture as the RenderTargets.
/// </summary>
/// <param name="buffer"></param>
/// <param name="depthBuffer"></param>
public void Begin(TextureCube colorTextureCube, TextureCubeFace face, ViewPort viewPort)
{
Gl.glBindFramebufferEXT(Gl.GL_FRAMEBUFFER_EXT, this.handle);
Gl.glFramebufferTexture2DEXT(Gl.GL_FRAMEBUFFER_EXT, Gl.GL_COLOR_ATTACHMENT0_EXT, (int)face, colorTextureCube.Handle, 0);
this.CheckStatus(Gl.glCheckFramebufferStatusEXT(Gl.GL_FRAMEBUFFER_EXT));
Gl.glPushAttrib(Gl.GL_VIEWPORT_BIT);
this.device.ViewPort = viewPort;
}
public static TextureCube FromFile(Device device, string px, string py, string pz, string nx, string ny, string nz)
{
Bitmap bpx = new Bitmap(px);
Bitmap bnx = new Bitmap(nx);
Bitmap bpy = new Bitmap(py);
Bitmap bny = new Bitmap(ny);
Bitmap bpz = new Bitmap(pz);
Bitmap bnz = new Bitmap(nz);
TextureCube textureCube = TextureCube.FromBitmap(device, bpx, bpy, bpz, bnx, bny, bnz);
bpx.Dispose();
bnx.Dispose();
bpy.Dispose();
bny.Dispose();
bpz.Dispose();
bnz.Dispose();
return(textureCube);
}
/// <summary>
/// Begins a FrameBuffer Pass. Binds a CubeTexture and a DepthBuffer as the RenderTargets. Will automatically set the
/// devices Viewport to match the dimensions of the Texture.
/// </summary>
/// <param name="buffer"></param>
/// <param name="depthBuffer"></param>
public void Begin(TextureCube colorTextureCube, DepthBuffer depthBuffer, TextureCubeFace face)
{
this.Begin(colorTextureCube, depthBuffer, face, new ViewPort(0, 0, colorTextureCube.Width, colorTextureCube.Width));
}
