protected void SetDrawAutomaticUniforms(Context context, DrawState drawState, SceneState sceneState)
{
for (int i = 0; i < _drawAutomaticUniforms.Count; ++i)
{
_drawAutomaticUniforms[i].Set(context, drawState, sceneState);
}
}
public void Render(Context context, SceneState sceneState)
{
_pointSize.Value = (float)(8.0 * sceneState.HighResolutionSnapScale);
context.Draw(PrimitiveType.Triangles, 0, 6, _drawState, sceneState);
context.Draw(PrimitiveType.Points, 6, 1, _drawState, sceneState);
}
public static void ThrowIfNull(Context context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
}
private void Clean(Context context)
{
if (_dirty)
{
if (_va != null)
{
_va.Dispose();
_va = null;
_drawState.VertexArray = null;
_drawStateSolid.VertexArray = null;
}
Mesh mesh = BoxTessellator.Compute(2 * _shape.Radii);
_va = context.CreateVertexArray(mesh, _drawState.ShaderProgram.VertexAttributes, BufferHint.StaticDraw);
_drawState.VertexArray = _va;
_drawStateSolid.VertexArray = _va;
_primitiveType = mesh.PrimitiveType;
_renderState.FacetCulling.FrontFaceWindingOrder = mesh.FrontFaceWindingOrder;
((Uniform<Vector3F>)_drawState.ShaderProgram.Uniforms["u_globeOneOverRadiiSquared"]).Value = _shape.OneOverRadiiSquared.ToVector3F();
((Uniform<Vector3F>)_drawStateSolid.ShaderProgram.Uniforms["u_globeOneOverRadiiSquared"]).Value = _shape.OneOverRadiiSquared.ToVector3F();
if (_wireframe != null)
{
_wireframe.Dispose();
_wireframe = null;
}
_wireframe = new Wireframe(context, mesh);
_wireframe.FacetCullingFace = CullFace.Front;
_wireframe.Width = 3;
_dirty = false;
}
}
public void Set(Context context, Mesh mesh)
{
Verify.ThrowIfNull(context);
if (mesh == null)
{
throw new ArgumentNullException("mesh");
}
if (mesh.PrimitiveType != PrimitiveType.Lines &&
mesh.PrimitiveType != PrimitiveType.LineLoop &&
mesh.PrimitiveType != PrimitiveType.LineStrip)
{
throw new ArgumentException("mesh.PrimitiveType must be Lines, LineLoop, or LineStrip.", "mesh");
}
if (!mesh.Attributes.Contains("position") &&
!mesh.Attributes.Contains("color"))
{
throw new ArgumentException("mesh.Attributes should contain attributes named \"position\" and \"color\".", "mesh");
}
if (_drawState.ShaderProgram == null)
{
_drawState.ShaderProgram = Device.CreateShaderProgram(
EmbeddedResources.GetText("OpenGlobe.Scene.Renderables.Polyline.Polyline.PolylineVS.glsl"),
EmbeddedResources.GetText("OpenGlobe.Scene.Renderables.Polyline.Polyline.PolylineGS.glsl"),
EmbeddedResources.GetText("OpenGlobe.Scene.Renderables.Polyline.Polyline.PolylineFS.glsl"));
_fillDistance = (Uniform<float>)_drawState.ShaderProgram.Uniforms["u_fillDistance"];
}
///////////////////////////////////////////////////////////////////
_drawState.VertexArray = context.CreateVertexArray(mesh, _drawState.ShaderProgram.VertexAttributes, BufferHint.StaticDraw);
_primitiveType = mesh.PrimitiveType;
}
public void Render(Context context, SceneState sceneState)
{
Verify.ThrowIfNull(context);
Verify.ThrowIfNull(sceneState);
Verify.ThrowInvalidOperationIfNull(Texture, "Texture");
Clean(context);
if (ShowGlobe)
{
Vector3D eye = sceneState.Camera.Eye;
Vector3F cameraEyeSquared = eye.MultiplyComponents(eye).ToVector3F();
if (Shade)
{
context.TextureUnits[0].Texture = Texture;
context.TextureUnits[0].TextureSampler = Device.TextureSamplers.LinearClamp;
_cameraEyeSquared.Value = cameraEyeSquared;
context.Draw(_primitiveType, _drawState, sceneState);
}
else
{
_cameraEyeSquaredSolid.Value = cameraEyeSquared;
context.Draw(_primitiveType, _drawStateSolid, sceneState);
}
}
if (ShowWireframeBoundingBox)
{
_wireframe.Render(context, sceneState);
}
}
public ShapefileRenderer(
string filename,
Context context,
Ellipsoid globeShape,
ShapefileAppearance appearance)
{
Shapefile shapefile = new Shapefile(filename);
switch (shapefile.ShapeType)
{
case ShapeType.Point:
PointShapefile pointShapefile = new PointShapefile(shapefile, context, globeShape, appearance);
pointShapefile.DepthWrite = false;
_shapefileGraphics = pointShapefile;
break;
case ShapeType.Polyline:
PolylineShapefile polylineShapefile = new PolylineShapefile(shapefile, context, globeShape, appearance);
polylineShapefile.DepthWrite = false;
_shapefileGraphics = polylineShapefile;
break;
case ShapeType.Polygon:
PolygonShapefile polygonShapefile = new PolygonShapefile(shapefile, context, globeShape, appearance);
polygonShapefile.DepthWrite = false;
_shapefileGraphics = polygonShapefile;
break;
default:
throw new NotSupportedException("Rendering is not supported for " + shapefile.ShapeType.ToString() + " shapefiles.");
}
}
public PointShapefile(
Shapefile shapefile,
Context context,
Ellipsoid globeShape,
ShapefileAppearance appearance)
{
Verify.ThrowIfNull(shapefile);
Verify.ThrowIfNull(context);
Verify.ThrowIfNull(globeShape);
Verify.ThrowIfNull(appearance);
_billboards = new BillboardCollection(context);
_billboards.Texture = Device.CreateTexture2D(appearance.Bitmap, TextureFormat.RedGreenBlueAlpha8, false);
foreach (Shape shape in shapefile)
{
if (shape.ShapeType != ShapeType.Point)
{
throw new NotSupportedException("The type of an individual shape does not match the Shapefile type.");
}
Vector2D point = ((PointShape)shape).Position;
Vector3D position = globeShape.ToVector3D(Trig.ToRadians(new Geodetic3D(point.X, point.Y)));
Billboard billboard = new Billboard();
billboard.Position = position;
_billboards.Add(billboard);
}
}
private void Update(Context context)
{
if (_dirtyLength)
{
VertexAttributeDoubleVector3 positionAttribute = new VertexAttributeDoubleVector3("position", 6);
positionAttribute.Values.Add(new Vector3D(0, 0, 0));
positionAttribute.Values.Add(new Vector3D(_length, 0, 0));
positionAttribute.Values.Add(new Vector3D(0, 0, 0));
positionAttribute.Values.Add(new Vector3D(0, _length, 0));
positionAttribute.Values.Add(new Vector3D(0, 0, 0));
positionAttribute.Values.Add(new Vector3D(0, 0, _length));
VertexAttributeRGBA colorAttribute = new VertexAttributeRGBA("color", 6);
colorAttribute.AddColor(Color.Red);
colorAttribute.AddColor(Color.Red);
colorAttribute.AddColor(Color.Green);
colorAttribute.AddColor(Color.Green);
colorAttribute.AddColor(Color.Blue);
colorAttribute.AddColor(Color.Blue);
Mesh mesh = new Mesh();
mesh.PrimitiveType = PrimitiveType.Lines;
mesh.Attributes.Add(positionAttribute);
mesh.Attributes.Add(colorAttribute);
_polyline.Set(context, mesh);
_dirtyLength = false;
}
_polyline.Width = Width;
}
public override void Set(Context context, DrawState drawState, SceneState sceneState)
{
//
// viewport.Bottom should really be used but Rectangle goes top to botom, not bottom to top.
//
Rectangle viewport = context.Viewport;
_uniform.Value = new Vector2F(1.0f / (float)viewport.Width, 1.0f / (float)viewport.Height);
}
public override void Set(Context context, DrawState drawState, SceneState sceneState)
{
_uniform.Value = new Vector4F(
sceneState.DiffuseIntensity,
sceneState.SpecularIntensity,
sceneState.AmbientIntensity,
sceneState.Shininess);
}
public void Render(Context context, SceneState sceneState)
{
Verify.ThrowIfNull(context);
Verify.ThrowIfNull(sceneState);
_lineWidth.Value = (float)(0.5 * Width * sceneState.HighResolutionSnapScale);
context.Draw(_primitiveType, _drawState, sceneState);
}
private void Update(Context context, SceneState sceneState)
{
if (_meshBuffers != null)
{
if (_drawState.VertexArray != null)
{
_drawState.VertexArray.Dispose();
_drawState.VertexArray = null;
}
_drawState.VertexArray = context.CreateVertexArray(_meshBuffers);
_meshBuffers = null;
}
///////////////////////////////////////////////////////////////////
int width = (int)Math.Ceiling(Width * sceneState.HighResolutionSnapScale);
int outlineWidth = (int)Math.Ceiling(OutlineWidth * sceneState.HighResolutionSnapScale);
int textureWidth = width + outlineWidth + outlineWidth + 2;
if ((_texture == null) || (_texture.Description.Width != textureWidth))
{
int textureResolution = textureWidth * 2;
float[] texels = new float[textureResolution];
int k = 3;
for (int i = 1; i < textureWidth - 1; ++i)
{
texels[k] = 1; // Alpha (stored in Green channel)
k += 2;
}
int j = (outlineWidth + 1) * 2;
for (int i = 0; i < width; ++i)
{
texels[j] = 1; // Fill/Outline (stored in Red channel)
j += 2;
}
WritePixelBuffer pixelBuffer = Device.CreateWritePixelBuffer(PixelBufferHint.Stream,
sizeof(float) * textureResolution);
pixelBuffer.CopyFromSystemMemory(texels);
if (_texture != null)
{
_texture.Dispose();
_texture = null;
}
// TODO: Why does only Float or HalfFloat work here?
_texture = Device.CreateTexture2D(new Texture2DDescription(textureWidth, 1, TextureFormat.RedGreen8));
_texture.CopyFromBuffer(pixelBuffer, ImageFormat.RedGreen, ImageDatatype.Float);
}
}
/// <summary>
/// Creates a frame buffer with a 1x1 RGB color attachment.
/// </summary>
public static Framebuffer CreateFramebuffer(Context context)
{
Framebuffer framebuffer = context.CreateFramebuffer();
framebuffer.ColorAttachments[0] = Device.CreateTexture2D(
new Texture2DDescription(1, 1, TextureFormat.RedGreenBlue8, false));
framebuffer.DepthAttachment = Device.CreateTexture2D(
new Texture2DDescription(1, 1, TextureFormat.Depth24, false));
return framebuffer;
}
private void CreateVertexArray(Context context)
{
// TODO: Buffer hint.
_positionBuffer = Device.CreateVertexBuffer(BufferHint.StaticDraw, SizeInBytes<Vector2F>.Value);
VertexBufferAttribute positionAttribute = new VertexBufferAttribute(
_positionBuffer, ComponentDatatype.Float, 2);
_drawState.VertexArray = context.CreateVertexArray();
_drawState.VertexArray.Attributes[_drawState.ShaderProgram.VertexAttributes["position"].Location] = positionAttribute;
}
public static VertexArray CreateVertexArray(Context context, int positionLocation)
{
Vector4F[] positions = new[] { new Vector4F(0, 0, 0, 1) };
VertexBuffer positionsBuffer = Device.CreateVertexBuffer(BufferHint.StaticDraw, ArraySizeInBytes.Size(positions));
positionsBuffer.CopyFromSystemMemory(positions);
VertexArray va = context.CreateVertexArray();
va.Attributes[positionLocation] = new VertexBufferAttribute(positionsBuffer, ComponentDatatype.Float, 4);
va.DisposeBuffers = true;
return va;
}
public ClipmapUpdater(Context context, ClipmapLevel[] clipmapLevels)
{
ShaderVertexAttributeCollection vertexAttributes = new ShaderVertexAttributeCollection();
vertexAttributes.Add(new ShaderVertexAttribute("position", VertexLocations.Position, ShaderVertexAttributeType.FloatVector2, 1));
Mesh unitQuad = RectangleTessellator.Compute(new RectangleD(new Vector2D(0.0, 0.0), new Vector2D(1.0, 1.0)), 1, 1);
_unitQuad = context.CreateVertexArray(unitQuad, vertexAttributes, BufferHint.StaticDraw);
_unitQuadPrimitiveType = unitQuad.PrimitiveType;
_sceneState = new SceneState();
_framebuffer = context.CreateFramebuffer();
_updateShader = Device.CreateShaderProgram(
EmbeddedResources.GetText("OpenGlobe.Scene.Terrain.ClipmapTerrain.ClipmapUpdateVS.glsl"),
EmbeddedResources.GetText("OpenGlobe.Scene.Terrain.ClipmapTerrain.ClipmapUpdateFS.glsl"));
_updateTexelOutput = _updateShader.FragmentOutputs["texelOutput"];
_updateDrawState = new DrawState(new RenderState(), _updateShader, _unitQuad);
_updateDrawState.RenderState.FacetCulling.FrontFaceWindingOrder = unitQuad.FrontFaceWindingOrder;
_updateDrawState.RenderState.DepthTest.Enabled = false;
_updateDestinationOffset = (Uniform<Vector2F>)_updateShader.Uniforms["u_destinationOffset"];
_updateUpdateSize = (Uniform<Vector2F>)_updateShader.Uniforms["u_updateSize"];
_updateSourceOrigin = (Uniform<Vector2F>)_updateShader.Uniforms["u_sourceOrigin"];
_upsampleShader = Device.CreateShaderProgram(
EmbeddedResources.GetText("OpenGlobe.Scene.Terrain.ClipmapTerrain.ClipmapUpsampleVS.glsl"),
EmbeddedResources.GetText("OpenGlobe.Scene.Terrain.ClipmapTerrain.ClipmapUpsampleFS.glsl"));
_upsampleTexelOutput = _upsampleShader.FragmentOutputs["texelOutput"];
_upsampleDrawState = new DrawState(new RenderState(), _upsampleShader, _unitQuad);
_upsampleDrawState.RenderState.FacetCulling.FrontFaceWindingOrder = unitQuad.FrontFaceWindingOrder;
_upsampleDrawState.RenderState.DepthTest.Enabled = false;
_upsampleSourceOrigin = (Uniform<Vector2F>)_upsampleShader.Uniforms["u_sourceOrigin"];
_upsampleUpdateSize = (Uniform<Vector2F>)_upsampleShader.Uniforms["u_updateSize"];
_upsampleDestinationOffset = (Uniform<Vector2F>)_upsampleShader.Uniforms["u_destinationOffset"];
_upsampleOneOverTextureSize = (Uniform<Vector2F>)_upsampleShader.Uniforms["u_oneOverTextureSize"];
_computeNormalsShader = Device.CreateShaderProgram(
EmbeddedResources.GetText("OpenGlobe.Scene.Terrain.ClipmapTerrain.ClipmapComputeNormalsVS.glsl"),
EmbeddedResources.GetText("OpenGlobe.Scene.Terrain.ClipmapTerrain.ClipmapComputeNormalsFS.glsl"));
_normalOutput = _computeNormalsShader.FragmentOutputs["normalOutput"];
_computeNormalsDrawState = new DrawState(new RenderState(), _computeNormalsShader, _unitQuad);
_computeNormalsDrawState.RenderState.FacetCulling.FrontFaceWindingOrder = unitQuad.FrontFaceWindingOrder;
_computeNormalsDrawState.RenderState.DepthTest.Enabled = false;
_computeNormalsOrigin = (Uniform<Vector2F>)_computeNormalsShader.Uniforms["u_origin"];
_computeNormalsUpdateSize = (Uniform<Vector2F>)_computeNormalsShader.Uniforms["u_updateSize"];
_computeNormalsOneOverHeightMapSize = (Uniform<Vector2F>)_computeNormalsShader.Uniforms["u_oneOverHeightMapSize"];
_heightExaggeration = (Uniform<float>)_computeNormalsShader.Uniforms["u_heightExaggeration"];
_postDelta = (Uniform<float>)_computeNormalsShader.Uniforms["u_postDelta"];
HeightExaggeration = 1.0f;
ClipmapLevel levelZero = clipmapLevels[0];
InitializeRequestThreads(context, _terrain, levelZero, levelZero.Terrain);
InitializeRequestThreads(context, _imagery, levelZero, levelZero.Imagery);
}
private void Update(Context context)
{
if (_positionDirty)
{
DisposeVertexArray();
CreateVertexArray(context);
Vector2F[] positions = new Vector2F[] { _position.ToVector2F() };
_positionBuffer.CopyFromSystemMemory(positions);
_positionDirty = false;
}
}
public void Render(Context context, SceneState sceneState)
{
Verify.ThrowIfNull(context);
Verify.ThrowInvalidOperationIfNull(Texture, "Texture");
_geometry.Update(context, _drawState.ShaderProgram);
context.TextureUnits[0].Texture = Texture;
context.TextureUnits[0].TextureSampler = Device.TextureSamplers.LinearClamp;
_drawState.VertexArray = _geometry.VertexArray;
context.Draw(PrimitiveType.TriangleStrip, _drawState, sceneState);
}
public void Render(Context context, SceneState sceneState)
{
Verify.ThrowIfNull(context);
Verify.ThrowInvalidOperationIfNull(Texture, "Texture");
Update(context);
if (_drawState.VertexArray != null)
{
context.TextureUnits[0].Texture = Texture;
context.TextureUnits[0].TextureSampler = Device.TextureSamplers.LinearClamp;
context.Draw(PrimitiveType.Points, _drawState, sceneState);
}
}
public void Render(Context context, SceneState sceneState)
{
Verify.ThrowIfNull(context);
Verify.ThrowIfNull(sceneState);
if (_drawState.ShaderProgram != null)
{
double fillDistance = Width * 0.5 * sceneState.HighResolutionSnapScale;
_fillDistance.Value = (float)(fillDistance);
_outlineDistance.Value = (float)(fillDistance + (OutlineWidth * sceneState.HighResolutionSnapScale));
context.Draw(_primitiveType, _drawState, sceneState);
}
}
public void Render(Context context, SceneState sceneState)
{
Verify.ThrowIfNull(context);
Verify.ThrowIfNull(sceneState);
if (Show)
{
if (_drawState.ShaderProgram != null)
{
_fillDistance.Value = (float)(Width * 0.5 * sceneState.HighResolutionSnapScale);
context.Draw(_primitiveType, _drawState, sceneState);
}
}
}
public HighResolutionSnapFramebuffer(Context context, double widthInInches, int dotsPerInch, double aspectRatio)
{
_widthInInches = widthInInches;
_dotsPerInch = dotsPerInch;
_aspectRatio = aspectRatio;
Texture2DDescription colorDescription = new Texture2DDescription(WidthInPixels, HeightInPixels, TextureFormat.RedGreenBlue8, false);
_colorTexture = Device.CreateTexture2D(colorDescription);
Texture2DDescription depthDescription = new Texture2DDescription(WidthInPixels, HeightInPixels, TextureFormat.Depth24, false);
_depthTexture = Device.CreateTexture2D(depthDescription);
_framebuffer = context.CreateFramebuffer();
_framebuffer.ColorAttachments[0] = _colorTexture;
_framebuffer.DepthAttachment = _depthTexture;
}
public ViewportQuad(Context context, string fs)
{
Verify.ThrowIfNull(context);
RenderState renderState = new RenderState();
renderState.FacetCulling.Enabled = false;
renderState.DepthTest.Enabled = false;
_drawState = new DrawState();
_drawState.RenderState = renderState;
_drawState.ShaderProgram = Device.CreateShaderProgram(
EmbeddedResources.GetText("OpenGlobe.Scene.Renderables.ViewportQuad.Shaders.ViewportQuadVS.glsl"),
fs == null ? EmbeddedResources.GetText("OpenGlobe.Scene.Renderables.ViewportQuad.Shaders.ViewportQuadFS.glsl") : fs);
_geometry = new ViewportQuadGeometry();
}
public void Render(Context context, SceneState sceneState)
{
Verify.ThrowIfNull(context);
Clean(context);
if (_textured.Value)
{
Verify.ThrowInvalidOperationIfNull(Texture, "Texture");
context.TextureUnits[0].Texture = Texture;
context.TextureUnits[0].TextureSampler = Device.TextureSamplers.LinearClamp;
}
_drawState.RenderState.RasterizationMode = Wireframe ? RasterizationMode.Line : RasterizationMode.Fill;
context.Draw(_primitiveType, _drawState, sceneState);
}
public GPURelativeToEye(Context context, Vector3D[] positions, byte[] colors)
{
_sp = Device.CreateShaderProgram(
EmbeddedResources.GetText("OpenGlobe.Examples.GPURelativeToEye.Shaders.VS.glsl"),
EmbeddedResources.GetText("OpenGlobe.Examples.Shaders.FS.glsl"));
_cameraEyeHigh = (Uniform<Vector3F>)_sp.Uniforms["u_cameraEyeHigh"];
_cameraEyeLow = (Uniform<Vector3F>)_sp.Uniforms["u_cameraEyeLow"];
_modelViewPerspectiveMatrixRelativeToEye = (Uniform<Matrix4F>)(_sp.Uniforms["u_modelViewPerspectiveMatrixRelativeToEye"]);
_pointSize = (Uniform<float>)_sp.Uniforms["u_pointSize"];
///////////////////////////////////////////////////////////////////
Mesh mesh = new Mesh();
VertexAttributeFloatVector3 positionsHighAttribute = new VertexAttributeFloatVector3("positionHigh", positions.Length);
VertexAttributeFloatVector3 positionsLowAttribute = new VertexAttributeFloatVector3("positionLow", positions.Length);
VertexAttributeRGB colorAttribute = new VertexAttributeRGB("color", positions.Length);
mesh.Attributes.Add(positionsHighAttribute);
mesh.Attributes.Add(positionsLowAttribute);
mesh.Attributes.Add(colorAttribute);
for (int i = 0; i < positions.Length; ++i)
{
Vector3F positionHigh;
Vector3F positionLow;
Vector3DToTwoVector3F(positions[i], out positionHigh, out positionLow);
positionsHighAttribute.Values.Add(positionHigh);
positionsLowAttribute.Values.Add(positionLow);
}
for (int i = 0; i < colors.Length; ++i)
{
colorAttribute.Values.Add(colors[i]);
}
_va = context.CreateVertexArray(mesh, _sp.VertexAttributes, BufferHint.StaticDraw);
///////////////////////////////////////////////////////////////////
RenderState renderState = new RenderState();
renderState.FacetCulling.Enabled = false;
renderState.DepthTest.Enabled = false;
renderState.ProgramPointSize = ProgramPointSize.Enabled;
_drawState = new DrawState(renderState, _sp, _va);
}
internal void Update(Context context, ShaderProgram sp)
{
if (_va == null)
{
VertexBufferAttribute positionAttribute = new VertexBufferAttribute(
_positionBuffer, ComponentDatatype.Float, 2);
VertexBufferAttribute textureCoordinatesAttribute = new VertexBufferAttribute(
_textureCoordinatesBuffer, ComponentDatatype.HalfFloat, 2);
_va = context.CreateVertexArray();
_va.Attributes[sp.VertexAttributes["position"].Location] = positionAttribute;
_va.Attributes[sp.VertexAttributes["textureCoordinates"].Location] = textureCoordinatesAttribute;
}
if (_viewport != context.Viewport)
{
//
// Bottom and top swapped: MS -> OpenGL
//
float left = context.Viewport.Left;
float bottom = context.Viewport.Top;
float right = context.Viewport.Right;
float top = context.Viewport.Bottom;
Vector2F[] positions = new Vector2F[]
{
new Vector2F(left, bottom),
new Vector2F(right, bottom),
new Vector2F(left, top),
new Vector2F(right, top)
};
_positionBuffer.CopyFromSystemMemory(positions);
Vector2H[] textureCoordinates = new Vector2H[]
{
new Vector2H(0, 0),
new Vector2H(1, 0),
new Vector2H(0, 1),
new Vector2H(1, 1)
};
_textureCoordinatesBuffer.CopyFromSystemMemory(textureCoordinates);
_viewport = context.Viewport;
}
}
private void InitializeRequestThreads(Context context, RasterDataDetails details, ClipmapLevel clipmapLevelZero, RasterLevel rasterLevelZero)
{
details.WorkerWindow = Device.CreateWindow(1, 1);
context.MakeCurrent();
#if !SingleThreaded
Thread requestThread = new Thread(RequestThreadEntryPoint);
requestThread.IsBackground = true;
requestThread.Start(details);
#endif
// Preload the entire world at level 0
RasterTileRegion[] regions = rasterLevelZero.GetTilesInExtent(0, 0, rasterLevelZero.LongitudePosts - 1, rasterLevelZero.LatitudePosts - 1);
foreach (RasterTileRegion region in regions)
{
RequestTileLoad(details, clipmapLevelZero, region.Tile);
}
}
public DayNightViewportQuad(Context context)
{
Verify.ThrowIfNull(context);
RenderState renderState = new RenderState();
renderState.FacetCulling.Enabled = false;
renderState.DepthTest.Enabled = false;
ShaderProgram sp = Device.CreateShaderProgram(
EmbeddedResources.GetText("OpenGlobe.Scene.Globes.DayNight.Shaders.ViewportQuadVS.glsl"),
EmbeddedResources.GetText("OpenGlobe.Scene.Globes.DayNight.Shaders.ViewportQuadFS.glsl"));
_dayNightOutput = (Uniform<int>)sp.Uniforms["u_DayNightOutput"];
_drawState = new DrawState();
_drawState.RenderState = renderState;
_drawState.ShaderProgram = sp;
_geometry = new ViewportQuadGeometry();
}
public DayNightGlobe(Context context)
{
Verify.ThrowIfNull(context);
ShaderProgram sp = Device.CreateShaderProgram(
EmbeddedResources.GetText("OpenGlobe.Scene.Globes.DayNight.Shaders.GlobeVS.glsl"),
EmbeddedResources.GetText("OpenGlobe.Scene.Globes.DayNight.Shaders.GlobeFS.glsl"));
_cameraEyeSquaredSP = (Uniform<Vector3F>)sp.Uniforms["u_cameraEyeSquared"];
_useAverageDepth = (Uniform<bool>)sp.Uniforms["u_useAverageDepth"];
float blendDurationScale = 0.1f;
((Uniform<float>)sp.Uniforms["u_blendDuration"]).Value = blendDurationScale;
((Uniform<float>)sp.Uniforms["u_blendDurationScale"]).Value = 1 / (2 * blendDurationScale);
_drawState = new DrawState();
_drawState.ShaderProgram = sp;
Shape = Ellipsoid.ScaledWgs84;
ShowGlobe = true;
}