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 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);
}
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 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 void Render(Context context, SceneState sceneState, Texture2D silhouetteTexture, Texture2D depthTexture)
{
//
// Render the line on terrain using the wall method
//
context.TextureUnits[0].Texture = silhouetteTexture;
context.TextureUnits[0].TextureSampler = Device.TextureSamplers.LinearClamp;
context.TextureUnits[1].Texture = depthTexture;
context.TextureUnits[1].TextureSampler = Device.TextureSamplers.LinearClamp;
context.Draw(PrimitiveType.LinesAdjacency, _wallDrawState, sceneState);
//
// Render the line on terrain using the depth-fail shadow volume method
//
context.TextureUnits[0].Texture = silhouetteTexture;
context.TextureUnits[0].TextureSampler = Device.TextureSamplers.LinearClamp;
context.Draw(PrimitiveType.LinesAdjacency, _shadowVolumePassOne, sceneState);
//
// Render where the stencil is set; note that the stencil is also cleared
// where it is set.
//
context.Draw(PrimitiveType.LinesAdjacency, _shadowVolumePassTwo, sceneState);
}
public void Render(Context context, SceneState sceneState)
{
Verify.ThrowIfNull(context);
Update(context);
if (ShowTerrain)
{
context.TextureUnits[0].Texture = _texture;
context.TextureUnits[0].TextureSampler = Device.TextureSamplers.NearestClamp;
context.Draw(_primitiveType, _drawState, sceneState);
}
if (ShowWireframe)
{
_wireframe.Render(context, sceneState);
}
}
public void Render(Context context, SceneState sceneState)
{
//
// Select LOD
//
DrawState ds = null;
if ((sceneState.Camera.Eye - _center).Magnitude < 100.0)
{
ds = _drawStateHigh;
UpdateHigh(sceneState);
}
else
{
ds = _drawStateLow;
UpdateLow(sceneState);
}
context.Draw(PrimitiveType.Triangles, 0, 6, ds, sceneState);
context.Draw(PrimitiveType.Points, 6, 1, ds, sceneState);
}
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);
}
}
private void UpdateNormals(Context context, ClipmapUpdate update)
{
ClipmapLevel level = update.Level;
context.TextureUnits[0].Texture = update.Level.HeightTexture;
context.TextureUnits[0].TextureSampler = Device.TextureSamplers.NearestRepeat;
_framebuffer.ColorAttachments[_normalOutput] = level.NormalTexture;
int clipmapSize = level.NextExtent.East - level.NextExtent.West + 1;
int west = (level.OriginInTextures.X + (update.West - level.NextExtent.West)) % clipmapSize;
int south = (level.OriginInTextures.Y + (update.South - level.NextExtent.South)) % clipmapSize;
_computeNormalsUpdateSize.Value = new Vector2F(update.Width, update.Height);
_computeNormalsOrigin.Value = new Vector2F(west, south);
_computeNormalsOneOverHeightMapSize.Value = new Vector2F(1.0f / update.Level.HeightTexture.Description.Width, 1.0f / update.Level.HeightTexture.Description.Height);
_postDelta.Value = (float)update.Level.Terrain.PostDeltaLongitude;
// Save the current state of the context
Rectangle oldViewport = context.Viewport;
Framebuffer oldFramebuffer = context.Framebuffer;
// Update the context and draw
context.Viewport = new Rectangle(0, 0, level.NormalTexture.Description.Width, level.NormalTexture.Description.Height);
context.Framebuffer = _framebuffer;
context.Draw(_unitQuadPrimitiveType, _computeNormalsDrawState, _sceneState);
// Restore the context to its original state
context.Framebuffer = oldFramebuffer;
context.Viewport = oldViewport;
}
public void Render(Context context, SceneState sceneState)
{
Verify.ThrowIfNull(context);
Verify.ThrowIfNull(sceneState);
Update(context);
context.Draw(_primitiveType, _drawState, sceneState);
}
private void DrawBlock(VertexArray block, ClipmapLevel level, ClipmapLevel coarserLevel, int overallWest, int overallSouth, int blockWest, int blockSouth, Context context, SceneState sceneState)
{
int textureWest = blockWest - overallWest;
int textureSouth = blockSouth - overallSouth;
_patchOriginInClippedLevel.Value = new Vector2F(textureWest, textureSouth);
DrawState drawState = new DrawState(_renderState, _shaderProgram, block);
context.Draw(_primitiveType, drawState, sceneState);
}
public void Render(Context context, SceneState sceneState)
{
Verify.ThrowIfNull(context);
Verify.ThrowIfNull(sceneState);
if (_drawState.ShaderProgram != null)
{
Update(context, sceneState);
_distance.Value = (float)(((Width * 0.5) + OutlineWidth + 1) * sceneState.HighResolutionSnapScale);
context.TextureUnits[0].Texture = _texture;
context.TextureUnits[0].TextureSampler = Device.TextureSamplers.LinearClamp;
context.Draw(_primitiveType, _drawState, sceneState);
}
}
public void Render(Context context, SceneState sceneState)
{
Verify.ThrowIfNull(context);
Verify.ThrowIfNull(sceneState);
if (Show)
{
Update();
if (ShowOutline)
{
//
// Pass 1: Outline
//
_lineFillDistance.Value = (float)(OutlineWidth * 0.5 * sceneState.HighResolutionSnapScale);
context.Draw(PrimitiveType.LineLoop, 0, 4, _drawStateLine, sceneState);
}
if (ShowFill)
{
//
// Pass 2: Fill
//
context.Draw(PrimitiveType.Triangles, 4, 6, _drawStateFill, sceneState);
}
}
}
public void Render(Context context, SceneState sceneState)
{
Verify.ThrowIfNull(context);
Verify.ThrowIfNull(sceneState);
Verify.ThrowInvalidOperationIfNull(ColorMapTexture, "ColorMap");
Verify.ThrowInvalidOperationIfNull(ColorRampHeightTexture, "ColorRampTexture");
Verify.ThrowInvalidOperationIfNull(ColorRampSlopeTexture, "ColorRampSlopeTexture");
Verify.ThrowInvalidOperationIfNull(BlendRampTexture, "BlendRampTexture");
Verify.ThrowInvalidOperationIfNull(GrassTexture, "GrassTexture");
Verify.ThrowInvalidOperationIfNull(StoneTexture, "StoneTexture");
Verify.ThrowInvalidOperationIfNull(BlendMaskTexture, "BlendMaskTexture");
if (ShowTerrain || ShowSilhouette || ShowWireframe || ShowNormals)
{
Update(sceneState);
context.TextureUnits[0].Texture = _texture;
context.TextureUnits[0].TextureSampler = Device.TextureSamplers.NearestClamp;
context.TextureUnits[6].Texture = ColorMapTexture;
context.TextureUnits[6].TextureSampler = Device.TextureSamplers.LinearClamp;
context.TextureUnits[1].Texture = ColorRampHeightTexture;
context.TextureUnits[1].TextureSampler = Device.TextureSamplers.LinearClamp;
context.TextureUnits[7].Texture = ColorRampSlopeTexture;
context.TextureUnits[7].TextureSampler = Device.TextureSamplers.LinearClamp;
context.TextureUnits[2].Texture = BlendRampTexture;
context.TextureUnits[2].TextureSampler = Device.TextureSamplers.LinearClamp;
context.TextureUnits[3].Texture = GrassTexture;
context.TextureUnits[3].TextureSampler = Device.TextureSamplers.LinearRepeat;
context.TextureUnits[4].Texture = StoneTexture;
context.TextureUnits[4].TextureSampler = Device.TextureSamplers.LinearRepeat;
context.TextureUnits[5].Texture = BlendMaskTexture;
context.TextureUnits[5].TextureSampler = Device.TextureSamplers.LinearClamp;
if (ShowTerrain || ShowSilhouette)
{
context.Draw(_primitiveType, _drawStateTerrain, sceneState);
}
if (ShowWireframe)
{
context.Draw(_primitiveType, _drawStateWireframe, sceneState);
}
if (ShowNormals && (_normalsAlgorithm != TerrainNormalsAlgorithm.None))
{
context.Draw(PrimitiveType.Points, _drawStateNormals, sceneState);
}
}
}
private void RenderTileToLevelTexture(Context context, ClipmapLevel level, RasterDataDetails details, RasterTileRegion region, Texture2D tileTexture)
{
Texture2D levelTexture;
Vector2I originInTextures;
ClipmapLevel.Extent nextExtent;
if (details.Type == RasterType.Terrain)
{
levelTexture = level.HeightTexture;
originInTextures = level.OriginInTextures;
nextExtent = level.NextExtent;
}
else
{
levelTexture = level.ImageryTexture;
originInTextures = level.OriginInImagery;
nextExtent = level.NextImageryExtent;
}
context.TextureUnits[0].Texture = tileTexture;
context.TextureUnits[0].TextureSampler = Device.TextureSamplers.NearestClamp;
_framebuffer.ColorAttachments[_updateTexelOutput] = levelTexture;
int clipmapSize = nextExtent.East - nextExtent.West + 1;
int destWest = (originInTextures.X + (region.Tile.West + region.West - nextExtent.West)) % clipmapSize;
int destSouth = (originInTextures.Y + (region.Tile.South + region.South - nextExtent.South)) % clipmapSize;
int width = region.East - region.West + 1;
int height = region.North - region.South + 1;
_updateSourceOrigin.Value = new Vector2F(region.West, region.South);
_updateUpdateSize.Value = new Vector2F(width, height);
_updateDestinationOffset.Value = new Vector2F(destWest, destSouth);
// Save the current state of the context
Rectangle oldViewport = context.Viewport;
Framebuffer oldFramebuffer = context.Framebuffer;
// Update the context and draw
context.Viewport = new Rectangle(0, 0, levelTexture.Description.Width, levelTexture.Description.Height);
context.Framebuffer = _framebuffer;
context.Draw(_unitQuadPrimitiveType, _updateDrawState, _sceneState);
// Restore the context to its original state
context.Framebuffer = oldFramebuffer;
context.Viewport = oldViewport;
}
private void UpsampleTileData(Context context, ClipmapLevel level, RasterDataDetails details, RasterTileRegion region)
{
ClipmapLevel coarserLevel = level.CoarserLevel;
if (coarserLevel == null)
return;
Texture2D levelTexture;
Texture2D coarserLevelTexture;
Vector2I originInTextures;
Vector2I coarserOriginInTextures;
ClipmapLevel.Extent nextExtent;
ClipmapLevel.Extent coarserNextExtent;
if (details.Type == RasterType.Terrain)
{
levelTexture = level.HeightTexture;
coarserLevelTexture = coarserLevel.HeightTexture;
originInTextures = level.OriginInTextures;
coarserOriginInTextures = coarserLevel.OriginInTextures;
nextExtent = level.NextExtent;
coarserNextExtent = coarserLevel.NextExtent;
}
else
{
levelTexture = level.ImageryTexture;
coarserLevelTexture = coarserLevel.ImageryTexture;
originInTextures = level.OriginInImagery;
coarserOriginInTextures = coarserLevel.OriginInImagery;
nextExtent = level.NextImageryExtent;
coarserNextExtent = coarserLevel.NextImageryExtent;
}
context.TextureUnits[0].Texture = coarserLevelTexture;
context.TextureUnits[0].TextureSampler = Device.TextureSamplers.LinearRepeat;
_framebuffer.ColorAttachments[_upsampleTexelOutput] = levelTexture;
int fineClipmapSize = nextExtent.East - nextExtent.West + 1;
int destWest = (originInTextures.X + (region.Tile.West + region.West - nextExtent.West)) % fineClipmapSize;
int destSouth = (originInTextures.Y + (region.Tile.South + region.South - nextExtent.South)) % fineClipmapSize;
int coarseClipmapSize = coarserNextExtent.East - coarserNextExtent.West + 1;
double sourceWest = (coarserOriginInTextures.X + ((region.Tile.West + region.West) / 2.0 - coarserNextExtent.West)) % coarseClipmapSize;
double sourceSouth = (coarserOriginInTextures.Y + ((region.Tile.South + region.South) / 2.0 - coarserNextExtent.South)) % coarseClipmapSize;
int width = region.East - region.West + 1;
int height = region.North - region.South + 1;
_upsampleSourceOrigin.Value = new Vector2F((float)sourceWest, (float)sourceSouth);
_upsampleUpdateSize.Value = new Vector2F(width, height);
_upsampleDestinationOffset.Value = new Vector2F(destWest, destSouth);
_upsampleOneOverTextureSize.Value = new Vector2F(1.0f / coarserLevelTexture.Description.Width, 1.0f / coarserLevelTexture.Description.Height);
// Save the current state of the context
Rectangle oldViewport = context.Viewport;
Framebuffer oldFramebuffer = context.Framebuffer;
// Update the context and draw
context.Viewport = new Rectangle(0, 0, levelTexture.Description.Width, levelTexture.Description.Height);
context.Framebuffer = _framebuffer;
context.Draw(_unitQuadPrimitiveType, _upsampleDrawState, _sceneState);
// Restore the context to its original state
context.Framebuffer = oldFramebuffer;
context.Viewport = oldViewport;
}
public void Render(Context context, SceneState sceneState)
{
Update(sceneState);
context.Draw(PrimitiveType.Triangles, 0, 6, _drawState, sceneState);
context.Draw(PrimitiveType.Points, 6, 1, _drawState, sceneState);
}
public void RenderDepthAndSilhouetteTextures(Context context, SceneState sceneState, bool silhouette)
{
Verify.ThrowIfNull(context);
Verify.ThrowIfNull(sceneState);
CreateDepthAndSilhouetteData(context);
//
// Depth texture
//
context.Framebuffer = _terrainFramebuffer;
context.Clear(_clearDepthStencil);
Render(context, sceneState);
//
// Silhouette texture
//
context.Framebuffer = _silhouetteFramebuffer;
context.Clear(_clearColor);
if (silhouette)
{
context.Draw(_primitiveType, _silhouetteDrawState, sceneState);
}
}