/// <summary>
/// Creates a new graphics context.
/// </summary>
private void _createGraphicsContext(DevicePixelFormat pixelFormat)
{
_graphicsContext = GraphicsManager.CreateGraphicsContext(_getWindowHandle());
#region Set Pixel Format
DevicePixelFormatCollection pixelFormats = _graphicsContext.PixelsFormats;
System.Collections.Generic.List <DevicePixelFormat> matchingPixelFormats = pixelFormats.Choose(pixelFormat);
if ((matchingPixelFormats.Count == 0) && pixelFormat.MultisampleBits > 0)
{
// Try to select the maximum multisample configuration
int multisampleBits = 0;
pixelFormats.ForEach(delegate(DevicePixelFormat item) { multisampleBits = Math.Max(multisampleBits, item.MultisampleBits); });
pixelFormat.MultisampleBits = multisampleBits;
matchingPixelFormats = pixelFormats.Choose(pixelFormat);
}
if ((matchingPixelFormats.Count == 0) && pixelFormat.DoubleBuffer)
{
// Try single buffered pixel formats
pixelFormat.DoubleBuffer = false;
matchingPixelFormats = pixelFormats.Choose(pixelFormat);
if (matchingPixelFormats.Count == 0)
{
throw new InvalidOperationException(String.Format("unable to find a suitable pixel format: {0}", pixelFormats.GuessChooseError(pixelFormat)));
}
}
else if (matchingPixelFormats.Count == 0)
{
throw new InvalidOperationException(String.Format("unable to find a suitable pixel format: {0}", pixelFormats.GuessChooseError(pixelFormat)));
}
_graphicsContext.SetPixelFormat(matchingPixelFormats[0]);
#endregion
// TODO: Platform specific extension checker
if (WGL.IsExtensionSupported(_graphicsContext.DeviceHandle.Handle, WGL.EXT.SwapControl))
{
// TODO: Handle tear
WGL.SwapIntervalEXT(SwapInterval);
}
}
public static void SetupGL()
{
WGL.SwapIntervalEXT(1); // 60 fps is enough for us :)
if (ConsoleManager.IsOpen)
{
GL.ClearColor(0.0f, 0.0f, 0.0f, 0.0f);
GL.Color3f(1.0f, 1.0f, 1.0f);
GL.Enable(GL.GL_DEPTH_TEST);
GL.DepthFunc(GL.GL_LEQUAL);
GL.ShadeModel(GL.GL_SMOOTH);
GL.PixelStorei(GL.GL_UNPACK_ALIGNMENT, 1);
GL.Enable(GL.GL_TEXTURE_2D);
GL.Hint(GL.GL_PERSPECTIVE_CORRECTION_HINT, GL.GL_NICEST);
GL.Disable(GL.GL_DITHER); // Actually we shouldn't have DITHERING in RGBA mode, but anyway...
GL.Enable(GL.GL_BLEND);
GL.BlendFunc(GL.GL_ONE, GL.GL_ONE);
}
else
{
if (ConsoleVarManager.GetValueToByte("DemoFreeglut") == 1)
{
GL.ClearColor(0.0f, 0.0f, 0.0f, 0.0f);
GL.Color3f(1.0f, 1.0f, 1.0f);
GL.Disable(GL.GL_DEPTH_TEST);
GL.ShadeModel(GL.GL_FLAT);
GL.Disable(GL.GL_TEXTURE_2D);
GL.Hint(GL.GL_PERSPECTIVE_CORRECTION_HINT, GL.GL_NICEST);
GL.Disable(GL.GL_DITHER);
GL.Disable(GL.GL_BLEND);
}
if (ConsoleVarManager.GetValueToByte("DemoCubemapping") == 1)
{
GL.ClearColor(0.0f, 0.0f, 0.0f, 0.0f); // Black background
GL.Color3f(1.0f, 1.0f, 1.0f);
GL.ShadeModel(GL.GL_SMOOTH); // Enables smooth color shading
GL.ClearDepth(1.0); // Depth buffer setup
GL.Enable(GL.GL_DEPTH_TEST); // Enable depth buffer
GL.DepthFunc(GL.GL_LESS); // Type of depth test to do
GL.Hint(GL.GL_PERSPECTIVE_CORRECTION_HINT, GL.GL_NICEST); // Really nice perspective calculations
GL.Enable(GL.GL_TEXTURE_2D); // Enable texture mapping
GL.Disable(GL.GL_DITHER);
GL.Disable(GL.GL_BLEND);
CM_BACK = TextureManager.LoadTexture("data/cm_back.jpg", GL.GL_TEXTURE_2D, TextureManager.TM_PP_FLIP_IMAGE);
CM_X_POSITIVE = TextureManager.LoadCubemapTexture("data/cm_xpos.jpg", GL.GL_TEXTURE_CUBE_MAP_POSITIVE_X_EXT, TextureManager.TM_PP_FLIP_IMAGE);
CM_X_NEGATIVE = TextureManager.LoadCubemapTexture("data/cm_xneg.jpg", GL.GL_TEXTURE_CUBE_MAP_NEGATIVE_X_EXT, TextureManager.TM_PP_FLIP_IMAGE);
CM_Y_POSITIVE = TextureManager.LoadCubemapTexture("data/cm_ypos.jpg", GL.GL_TEXTURE_CUBE_MAP_POSITIVE_Y_EXT, TextureManager.TM_PP_FLIP_IMAGE);
CM_Y_NEGATIVE = TextureManager.LoadCubemapTexture("data/cm_yneg.jpg", GL.GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_EXT, TextureManager.TM_PP_FLIP_IMAGE);
CM_Z_POSITIVE = TextureManager.LoadCubemapTexture("data/cm_zpos.jpg", GL.GL_TEXTURE_CUBE_MAP_POSITIVE_Z_EXT, TextureManager.TM_PP_FLIP_IMAGE);
CM_Z_NEGATIVE = TextureManager.LoadCubemapTexture("data/cm_zneg.jpg", GL.GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_EXT, TextureManager.TM_PP_FLIP_IMAGE);
// Enable S T and R Texture Coordinate Generation as a reflection map
GL.TexGeni(GL.GL_S, GL.GL_TEXTURE_GEN_MODE, (int)GL.GL_REFLECTION_MAP_EXT);
GL.TexGeni(GL.GL_T, GL.GL_TEXTURE_GEN_MODE, (int)GL.GL_REFLECTION_MAP_EXT);
GL.TexGeni(GL.GL_R, GL.GL_TEXTURE_GEN_MODE, (int)GL.GL_REFLECTION_MAP_EXT);
if (GLConfig.GL_VERSION_1_2)
{
GL.TexParameteri(GL.GL_TEXTURE_CUBE_MAP_EXT, GL.GL_TEXTURE_WRAP_S, (int)GL.GL_CLAMP_TO_EDGE);
GL.TexParameteri(GL.GL_TEXTURE_CUBE_MAP_EXT, GL.GL_TEXTURE_WRAP_T, (int)GL.GL_CLAMP_TO_EDGE);
GL.TexParameteri(GL.GL_TEXTURE_CUBE_MAP_EXT, GL.GL_TEXTURE_WRAP_R, (int)GL.GL_CLAMP_TO_EDGE);
}
else
{
GL.TexParameteri(GL.GL_TEXTURE_CUBE_MAP_EXT, GL.GL_TEXTURE_WRAP_S, (int)GL.GL_CLAMP);
GL.TexParameteri(GL.GL_TEXTURE_CUBE_MAP_EXT, GL.GL_TEXTURE_WRAP_T, (int)GL.GL_CLAMP);
GL.TexParameteri(GL.GL_TEXTURE_CUBE_MAP_EXT, GL.GL_TEXTURE_WRAP_R, (int)GL.GL_CLAMP);
}
SphereQuadratic = GLU.NewQuadric();
GLU.QuadricNormals(SphereQuadratic, GLU.GLU_SMOOTH);
}
if (ConsoleVarManager.GetValueToByte("DemoGUI") == 1)
{
GL.ClearColor(0.0f, 0.0f, 0.0f, 0.0f); // Black background
GL.ShadeModel(GL.GL_SMOOTH); // Enables smooth color shading
GL.ClearDepth(1.0); // Depth buffer setup
GL.Enable(GL.GL_DEPTH_TEST); // Enable depth buffer
GL.DepthFunc(GL.GL_LESS); // Type of depth test to do
GL.Hint(GL.GL_PERSPECTIVE_CORRECTION_HINT, GL.GL_NICEST); // Really nice perspective calculations
GL.Disable(GL.GL_TEXTURE_2D); // Enable texture mapping
GL.Disable(GL.GL_DITHER);
GL.Enable(GL.GL_BLEND);
GL.BlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA);
}
}
}
