public void Render(Camera camera, Int2 screenResolution, Span <TInstance> instances, int start, int count)
{
Use();
vertexConstants.Bind(0);
this.instances.Bind(0);
OnDrawSetup();
var vertexConstantsData = new RasterizedVertexConstants
{
Projection = camera.Projection,
CameraPosition = camera.Position,
CameraRight = camera.Right,
CameraUp = camera.Up,
CameraBackward = camera.Backward,
};
vertexConstants.Update(ref vertexConstantsData);
while (count > 0)
{
var batchCount = Math.Min(this.instances.Capacity, count);
this.instances.Update(instances, batchCount, start);
OnBatchDraw(batchCount);
count -= batchCount;
start += batchCount;
}
}
/// <summary>
/// Sets up the rendering pipeline with any glyph rendering specific render state that can be shared across all glyph batches drawn using the GlyphRenderer.Render function.
/// </summary>
public void PreparePipeline()
{
Use();
indices.Bind();
vertexConstants.Bind(0);
instances.Bind(0);
}
public void Render(int source)
{
Use();
constants.Bind(0);
GL.BindTexture(TextureTarget.Texture2D, source);
float inverseGamma = 1f / Gamma;
constants.Update(ref inverseGamma);
GL.DrawArrays(PrimitiveType.Triangles, 0, 3);
}
public unsafe void Render(Camera camera, Int2 screenResolution, Span <MeshInstance> instances, int start, int count)
{
Use();
vertexConstants.Bind(0);
this.instances.Bind(0);
meshCache.TriangleBuffer.Bind(1);
//Examine the set of instances and batch them into groups using the same mesh data.
var batches = new QuickDictionary <ulong, QuickList <MeshInstance>, PrimitiveComparer <ulong> >(16, meshCache.Pool);
var end = start + count;
for (int i = start; i < end; ++i)
{
ref var instance = ref instances[i];
ref var id = ref Unsafe.As <int, ulong>(ref instance.VertexStart);
public void Render(Camera camera, Int2 screenResolution, Span <TInstance> instances, int start, int count)
{
Use();
indices.Bind();
vertexConstants.Bind(0);
this.instances.Bind(0);
pixelConstants.Bind(1);
var vertexConstantsData = new RayTracedVertexConstants {
Projection = camera.Projection,
CameraPosition = camera.Position,
CameraRight = camera.Right,
NearClip = camera.NearClip,
CameraUp = camera.Up,
CameraBackward = camera.Backward,
};
vertexConstants.Update(ref vertexConstantsData);
var viewportHeight = 2 * (float)Math.Tan(camera.FieldOfView / 2);
var viewportWidth = viewportHeight * camera.AspectRatio;
var pixelConstantsData = new RayTracedPixelConstants {
CameraRight = camera.Right,
NearClip = camera.NearClip,
CameraUp = camera.Up,
FarClip = camera.FarClip,
CameraBackward = camera.Backward,
PixelSizeAtUnitPlane = new Vector2(viewportWidth / screenResolution.X, viewportHeight / screenResolution.Y)
};
pixelConstants.Update(ref pixelConstantsData);
while (count > 0)
{
var batchCount = Math.Min(this.instances.Capacity, count);
this.instances.Update(instances, batchCount, start);
GL.DrawElements(PrimitiveType.Triangles, 36 * batchCount, indices.Type, 0);
count -= batchCount;
start += batchCount;
}
}
