public void DrawLabels(RenderContext11 renderContext)
{
if (positions.Count < 1)
{
return;
}
InitLabelBuffer();
renderContext.SetVertexBuffer(labelBuffer);
renderContext.BlendMode = BlendMode.Alpha;
renderContext.DepthStencilMode = DepthStencilMode.Off;
renderContext.setRasterizerState(TriangleCullMode.Off);
SharpDX.Matrix mvp = (renderContext.World * renderContext.View * renderContext.Projection).Matrix11;
mvp.Transpose();
PointSpriteShader11.WVPMatrix = mvp;
PointSpriteShader11.Color = SharpDX.Color.White;
float adjustedScale = .01f; // (float)(1 / (Earth3d.MainWindow.ZoomFactor / 360));
PointSpriteShader11.ViewportScale = new SharpDX.Vector2((2.0f / renderContext.ViewPort.Width) * adjustedScale, (2.0f / renderContext.ViewPort.Height) * adjustedScale);
PointSpriteShader11.PointScaleFactors = new SharpDX.Vector3(0.0f, 0.0f, 10000.0f);
PointSpriteShader11.Use(renderContext.Device.ImmediateContext);
renderContext.Device.ImmediateContext.PixelShader.SetShaderResource(0, texture.ResourceView);
renderContext.devContext.InputAssembler.PrimitiveTopology = SharpDX.Direct3D.PrimitiveTopology.PointList;
renderContext.devContext.Draw(labelBuffer.Count, 0);
renderContext.Device.ImmediateContext.GeometryShader.Set(null);
}
protected override void setupShader(RenderContext11 renderContext, Texture11 texture, float opacity)
{
SharpDX.Matrix mvp = (renderContext.World * renderContext.View * renderContext.Projection).Matrix11;
mvp.Transpose();
float aspectRatio = renderContext.ViewPort.Width / renderContext.ViewPort.Height;
Color4 color = new Color4(TintColor.Red, TintColor.Green, TintColor.Blue, TintColor.Alpha * opacity);
// Set up the shader
if (renderStrategy == RenderStrategy.GeometryShader)
{
PointSpriteShader11.WVPMatrix = mvp;
PointSpriteShader11.Color = color;
PointSpriteShader11.ViewportScale = new SharpDX.Vector2(1.0f, aspectRatio) * 0.001f;
PointSpriteShader11.MinPointSize = MinPointSize;
PointSpriteShader11.PointScaleFactors = PointScaleFactors;
PointSpriteShader11.Use(renderContext.Device.ImmediateContext);
}
else
{
CompatibilityPointSpriteShader.WVPMatrix = mvp;
CompatibilityPointSpriteShader.Color = color;
CompatibilityPointSpriteShader.ViewportScale = new SharpDX.Vector2(1.0f, aspectRatio) * 0.001f;
CompatibilityPointSpriteShader.PointScaleFactors = PointScaleFactors;
CompatibilityPointSpriteShader.MinPointSize = MinPointSize;
bool useInstancing = renderStrategy == RenderStrategy.Instanced;
CompatibilityPointSpriteShader.Use(renderContext.Device.ImmediateContext, useInstancing);
}
// Set shader resources
renderContext.Device.ImmediateContext.PixelShader.SetShaderResource(0, texture == null ? null : texture.ResourceView);
}
public override bool Draw3D(RenderContext11 renderContext, float opacity, Tile parent)
{
InViewFrustum = true;
RenderedGeneration = CurrentRenderGeneration;
if (!ReadyToRender)
{
TileCache.AddTileToQueue(this);
return(false);
}
InViewFrustum = true;
if (starVertexBuffer == null)
{
starProfile = Texture11.FromBitmap(Properties.Resources.StarProfile);
int count = stars.Count;
int index = 0;
starCount = count;
starVertexBuffer = new PositionColorSizeVertexBuffer11(count, RenderContext11.PrepDevice);
PositionColorSize[] points = (PositionColorSize[])starVertexBuffer.Lock(0, 0); // Lock the buffer (which will return our structs)
foreach (Star star in stars)
{
Vector3d pos = Coordinates.RADecTo3d(star.RA + 12, star.Dec, 1f);
points[index].Position = pos.Vector3;
points[index].Color = star.Col;
double radDec = (.5) / Math.Pow(1.6, star.Magnitude);
points[index].size = (float)radDec;
index++;
}
starVertexBuffer.Unlock();
}
renderContext.SetVertexBuffer(starVertexBuffer);
renderContext.BlendMode = BlendMode.Additive;
renderContext.DepthStencilMode = DepthStencilMode.Off;
renderContext.setRasterizerState(TriangleCullMode.Off);
SharpDX.Matrix mvp = (renderContext.World * renderContext.View * renderContext.Projection).Matrix11;
mvp.Transpose();
PointSpriteShader11.WVPMatrix = mvp;
PointSpriteShader11.Color = SharpDX.Color.White;
float adjustedScale = (float)(1 / (Earth3d.MainWindow.ZoomFactor / 360));
PointSpriteShader11.ViewportScale = new SharpDX.Vector2((2.0f / renderContext.ViewPort.Width) * adjustedScale, (2.0f / renderContext.ViewPort.Height) * adjustedScale);
PointSpriteShader11.PointScaleFactors = new SharpDX.Vector3(0.0f, 0.0f, 10000.0f);
PointSpriteShader11.Use(renderContext.Device.ImmediateContext);
renderContext.Device.ImmediateContext.PixelShader.SetShaderResource(0, starProfile.ResourceView);
renderContext.devContext.InputAssembler.PrimitiveTopology = SharpDX.Direct3D.PrimitiveTopology.PointList;
renderContext.devContext.Draw(starCount, 0);
renderContext.Device.ImmediateContext.GeometryShader.Set(null);
// Reset blend mode so we don't mess up subsequent sky layer rendering
renderContext.BlendMode = BlendMode.Alpha;
return(true);
}
