static void Main(string[] args)
{
DriverType driverType;
if (!AskUserForDriver(out driverType))
{
return;
}
useHighLevelShaders = AskUserForHighLevelShaders(driverType);
if (useHighLevelShaders)
{
useCgShaders = AskUserForCgShaders(driverType);
}
device = IrrlichtDevice.CreateDevice(driverType, new Dimension2Di(640, 480));
if (device == null)
{
return;
}
VideoDriver driver = device.VideoDriver;
SceneManager smgr = device.SceneManager;
string vsFileName = null; // filename for the vertex shader
string psFileName = null; // filename for the pixel shader
switch (driverType)
{
case DriverType.Direct3D8:
psFileName = "../../media/d3d8.psh";
vsFileName = "../../media/d3d8.vsh";
break;
case DriverType.Direct3D9:
if (useHighLevelShaders)
{
// Cg can also handle this syntax
psFileName = "../../media/d3d9.hlsl";
vsFileName = psFileName; // both shaders are in the same file
}
else
{
psFileName = "../../media/d3d9.psh";
vsFileName = "../../media/d3d9.vsh";
}
break;
case DriverType.OpenGL:
if (useHighLevelShaders)
{
if (useCgShaders)
{
// Use HLSL syntax for Cg
psFileName = "../../media/d3d9.hlsl";
vsFileName = psFileName; // both shaders are in the same file
}
else
{
psFileName = "../../media/opengl.frag";
vsFileName = "../../media/opengl.vert";
}
}
else
{
psFileName = "../../media/opengl.psh";
vsFileName = "../../media/opengl.vsh";
}
break;
}
if (!driver.QueryFeature(VideoDriverFeature.PixelShader_1_1) &&
!driver.QueryFeature(VideoDriverFeature.ARB_FragmentProgram_1))
{
device.Logger.Log("WARNING: Pixel shaders disabled because of missing driver/hardware support.");
}
if (!driver.QueryFeature(VideoDriverFeature.VertexShader_1_1) &&
!driver.QueryFeature(VideoDriverFeature.ARB_VertexProgram_1))
{
device.Logger.Log("WARNING: Vertex shaders disabled because of missing driver/hardware support.");
}
// create materials
GPUProgrammingServices gpu = driver.GPUProgrammingServices;
MaterialType newMaterialType1 = MaterialType.Solid;
MaterialType newMaterialType2 = MaterialType.TransparentAddColor;
if (gpu != null)
{
gpu.OnSetConstants += new GPUProgrammingServices.SetConstantsHandler(gpu_OnSetConstants);
// create the shaders depending on if the user wanted high level or low level shaders
if (useHighLevelShaders)
{
GPUShadingLanguage shadingLanguage = useCgShaders
? GPUShadingLanguage.Cg
: GPUShadingLanguage.Default;
newMaterialType1 = gpu.AddHighLevelShaderMaterialFromFiles(
vsFileName, "vertexMain", VertexShaderType.VS_1_1,
psFileName, "pixelMain", PixelShaderType.PS_1_1,
MaterialType.Solid, 0, shadingLanguage);
newMaterialType2 = gpu.AddHighLevelShaderMaterialFromFiles(
vsFileName, "vertexMain", VertexShaderType.VS_1_1,
psFileName, "pixelMain", PixelShaderType.PS_1_1,
MaterialType.TransparentAddColor, 0, shadingLanguage);
}
else
{
// create material from low level shaders (asm or arb_asm)
newMaterialType1 = gpu.AddShaderMaterialFromFiles(vsFileName,
psFileName, MaterialType.Solid);
newMaterialType2 = gpu.AddShaderMaterialFromFiles(vsFileName,
psFileName, MaterialType.TransparentAddColor);
}
}
if ((int)newMaterialType1 == -1)
{
newMaterialType1 = MaterialType.Solid;
}
if ((int)newMaterialType2 == -1)
{
newMaterialType2 = MaterialType.TransparentAddColor;
}
// create test scene node 1, with the new created material type 1
SceneNode node = smgr.AddCubeSceneNode(50);
node.Position = new Vector3Df(0);
node.SetMaterialTexture(0, driver.GetTexture("../../media/wall.bmp"));
node.SetMaterialFlag(MaterialFlag.Lighting, false);
node.SetMaterialType(newMaterialType1);
smgr.AddTextSceneNode(device.GUIEnvironment.BuiltInFont, "PS & VS & EMT_SOLID", new Color(255, 255, 255), node);
SceneNodeAnimator anim = smgr.CreateRotationAnimator(new Vector3Df(0, 0.3f, 0));
node.AddAnimator(anim);
anim.Drop();
// create test scene node 2, with the new created material type 2
node = smgr.AddCubeSceneNode(50);
node.Position = new Vector3Df(0, -10, 50);
node.SetMaterialTexture(0, driver.GetTexture("../../media/wall.bmp"));
node.SetMaterialFlag(MaterialFlag.Lighting, false);
node.SetMaterialFlag(MaterialFlag.BlendOperation, true);
node.SetMaterialType(newMaterialType2);
smgr.AddTextSceneNode(device.GUIEnvironment.BuiltInFont, "PS & VS & EMT_TRANSPARENT", new Color(255, 255, 255), node);
anim = smgr.CreateRotationAnimator(new Vector3Df(0, 0.3f, 0));
node.AddAnimator(anim);
anim.Drop();
// create test scene node 3, with no shader
node = smgr.AddCubeSceneNode(50);
node.Position = new Vector3Df(0, 50, 25);
node.SetMaterialTexture(0, driver.GetTexture("../../media/wall.bmp"));
node.SetMaterialFlag(MaterialFlag.Lighting, false);
smgr.AddTextSceneNode(device.GUIEnvironment.BuiltInFont, "NO SHADER", new Color(255, 255, 255), node);
// add a nice skybox
driver.SetTextureCreationFlag(TextureCreationFlag.CreateMipMaps, false);
SceneNode skybox = smgr.AddSkyBoxSceneNode(
"../../media/irrlicht2_up.jpg",
"../../media/irrlicht2_dn.jpg",
"../../media/irrlicht2_lf.jpg",
"../../media/irrlicht2_rt.jpg",
"../../media/irrlicht2_ft.jpg",
"../../media/irrlicht2_bk.jpg");
driver.SetTextureCreationFlag(TextureCreationFlag.CreateMipMaps, true);
// add a camera and disable the mouse cursor
CameraSceneNode cam = smgr.AddCameraSceneNodeFPS();
cam.Position = new Vector3Df(-100, 50, 100);
cam.Target = new Vector3Df(0);
device.CursorControl.Visible = false;
// draw everything
int lastFPS = -1;
while (device.Run())
{
if (device.WindowActive)
{
driver.BeginScene(true, true, new Color(0));
smgr.DrawAll();
driver.EndScene();
int fps = driver.FPS;
if (lastFPS != fps)
{
device.SetWindowCaption(String.Format(
"Vertex and pixel shader example - Irrlicht Engine [{0}] fps: {1}",
driver.Name, fps));
lastFPS = fps;
}
}
}
device.Drop();
}
