public unsafe void Draw()
{
if (game.Config.MSAASamples > 0)
{
if (_mwidth != Game.Width || _mheight != Game.Height)
{
_mwidth = Game.Width;
_mheight = Game.Height;
if (msaa != null)
{
msaa.Dispose();
}
msaa = new MultisampleTarget(Game.Width, Game.Height, Game.Config.MSAASamples);
}
msaa.Bind();
}
NebulaRenderer nr = CheckNebulae(); //are we in a nebula?
bool transitioned = false;
if (nr != null)
{
transitioned = nr.FogTransitioned();
}
rstate.DepthEnabled = true;
//Add Nebula light
if (GLExtensions.Features430 && ExtraLights)
{
//TODO: Re-add [LightSource] to the compute shader, it shouldn't regress.
PointLight p2;
if (nr != null && nr.DoLightning(out p2))
{
pointLights.Add(p2);
}
}
//Async calcs
for (int i = 0; i < Objects.Count; i += 16)
{
JThreads.Instance.AddTask((o) =>
{
var offset = (int)o;
for (int j = 0; j < 16 && ((j + offset) < Objects.Count); j++)
{
Objects[j + offset].PrepareRender(camera, nr);
}
}, i);
}
JThreads.Instance.BeginExecute();
if (transitioned)
{
//Fully in fog. Skip Starsphere
rstate.ClearColor = nr.Nebula.FogColor;
rstate.ClearAll();
}
else
{
rstate.DepthEnabled = false;
if (starSystem == null)
{
rstate.ClearColor = NullColor;
}
else
{
rstate.ClearColor = starSystem.BackgroundColor;
}
rstate.ClearAll();
//Starsphere
for (int i = 0; i < StarSphereModels.Length; i++)
{
Matrix4 ssworld = Matrix4.CreateTranslation(camera.Position);
if (StarSphereWorlds != null)
{
ssworld = StarSphereWorlds[i] * ssworld;
}
StarSphereModels[i].Draw(rstate, ssworld, Lighting.Empty);
}
//Render fog transition: if any
if (nr != null)
{
rstate.DepthEnabled = false;
nr.RenderFogTransition();
rstate.DepthEnabled = true;
}
}
DebugRenderer.StartFrame(camera, rstate);
Polyline.SetCamera(camera);
commands.StartFrame();
rstate.DepthEnabled = true;
//Optimisation for dictionary lookups
LightEquipRenderer.FrameStart();
//Clear depth buffer for game objects
rstate.ClearDepth();
game.Billboards.Begin(camera, commands);
JThreads.Instance.FinishExecute(); //Make sure visibility calculations are complete
if (GLExtensions.Features430 && ExtraLights)
{
//Forward+ heck yeah!
//ISSUES: Z prepass here doesn't work - gives blank texture (investigate DepthMap.cs)
//(WORKED AROUND) Lights being culled too aggressively - Pittsburgh planet light, intro_planet_chunks
//Z test - cull transparent and opaque differently (opaqueLightBuffer enable)
//Optimisation work needs to be done
//When these are fixed this can be enabled by default
//Copy lights into buffer
int plc = pointLights.Count;
using (var h = pointLightBuffer.Map()) {
var ptr = (PointLight *)h.Handle;
for (int i = 0; i < pointLights.Count; i++)
{
ptr[i] = pointLights[i];
}
//Does the rest of the buffer need to be cleared?
}
pointLights.Clear();
//Setup Visible Buffers
var tilesW = (Game.Width + (Game.Width % 16)) / 16;
var tilesH = (Game.Height + (Game.Height % 16)) / 16;
SystemLighting.NumberOfTilesX = tilesW;
if (_twidth != tilesW || _theight != tilesH)
{
_twidth = tilesW;
_theight = tilesH;
//if (opaqueLightBuffer != null) opaqueLightBuffer.Dispose();
if (transparentLightBuffer != null)
{
transparentLightBuffer.Dispose();
}
//opaqueLightBuffer = new ShaderStorageBuffer((tilesW * tilesH) * 512 * sizeof(int));
transparentLightBuffer = new ShaderStorageBuffer((tilesW * tilesH) * 512 * sizeof(int));
}
//Depth
if (_dwidth != Game.Width || _dheight != Game.Height)
{
_dwidth = Game.Width;
_dheight = Game.Height;
if (depthMap != null)
{
depthMap.Dispose();
}
depthMap = new DepthMap(Game.Width, game.Height);
}
depthMap.BindFramebuffer();
rstate.ClearDepth();
rstate.DepthFunction = DepthFunction.Less;
for (int i = 0; i < Objects.Count; i++)
{
if (Objects[i].Visible)
{
Objects[i].DepthPrepass(camera, rstate);
}
}
rstate.DepthFunction = DepthFunction.LessEqual;
RenderTarget2D.ClearBinding();
if (game.Config.MSAASamples > 0)
{
msaa.Bind();
}
//Run compute shader
pointLightBuffer.BindIndex(0);
transparentLightBuffer.BindIndex(1);
//opaqueLightBuffer.BindIndex(2);
pointLightCull.Uniform1i("depthTexture", 7);
depthMap.BindTo(7);
pointLightCull.Uniform1i("numLights", plc);
pointLightCull.Uniform1i("windowWidth", Game.Width);
pointLightCull.Uniform1i("windowHeight", Game.Height);
var v = camera.View;
var p = camera.Projection;
p.Invert();
pointLightCull.UniformMatrix4fv("viewMatrix", ref v);
pointLightCull.UniformMatrix4fv("invProjection", ref p);
GL.MemoryBarrier(GL.GL_SHADER_STORAGE_BARRIER_BIT); //I don't think these need to be here - confirm then remove?
pointLightCull.Dispatch((uint)tilesW, (uint)tilesH, 1);
GL.MemoryBarrier(GL.GL_SHADER_STORAGE_BARRIER_BIT);
}
else
{
SystemLighting.NumberOfTilesX = -1;
//Simple depth pre-pass
rstate.DepthFunction = DepthFunction.Less;
for (int i = 0; i < Objects.Count; i++)
{
if (Objects[i].Visible)
{
Objects[i].DepthPrepass(camera, rstate);
}
}
rstate.DepthFunction = DepthFunction.LessEqual;
}
//Actual Drawing
for (int i = 0; i < Objects.Count; i++)
{
if (Objects[i].Visible)
{
Objects[i].Draw(camera, commands, SystemLighting, nr);
}
}
for (int i = 0; i < AsteroidFields.Count; i++)
{
AsteroidFields[i].Draw(cache, SystemLighting, commands, nr);
}
game.Nebulae.NewFrame();
if (nr == null)
{
for (int i = 0; i < Nebulae.Count; i++)
{
Nebulae[i].Draw(commands);
}
}
else
{
nr.Draw(commands);
}
game.Nebulae.SetData();
game.Billboards.End();
Polyline.FrameEnd();
//Opaque Pass
rstate.DepthEnabled = true;
commands.DrawOpaque(rstate);
//Transparent Pass
rstate.DepthWrite = false;
commands.DrawTransparent(rstate);
rstate.DepthWrite = true;
DebugRenderer.Render();
if (Game.Config.MSAASamples > 0)
{
msaa.BlitToScreen();
}
rstate.DepthEnabled = true;
}
public unsafe void Draw()
{
if (gconfig.MSAASamples > 0)
{
if (_mwidth != Game.Width || _mheight != Game.Height)
{
_mwidth = Game.Width;
_mheight = Game.Height;
if (msaa != null)
{
msaa.Dispose();
}
msaa = new MultisampleTarget(Game.Width, Game.Height, gconfig.MSAASamples);
}
rstate.RenderTarget = msaa;
}
NebulaRenderer nr = CheckNebulae(); //are we in a nebula?
bool transitioned = false;
if (nr != null)
{
transitioned = nr.FogTransitioned();
}
rstate.DepthEnabled = true;
//Add Nebula light
if (GLExtensions.Features430 && ExtraLights)
{
//TODO: Re-add [LightSource] to the compute shader, it shouldn't regress.
PointLight p2;
if (nr != null && nr.DoLightning(out p2))
{
pointLights.Add(p2);
}
}
//Async calcs
objects = new List <ObjectRenderer>(250);
/*for (int i = 0; i < World.Objects.Count; i += 16)
* {
* JThreads.Instance.AddTask((o) =>
* {
* var offset = (int)o;
* for (int j = 0; j < 16 && ((j + offset) < World.Objects.Count); j++) World.Objects[j + offset].PrepareRender(camera, nr, this);
* }, i);
* }
* JThreads.Instance.BeginExecute();*/
for (int i = 0; i < World.Objects.Count; i++)
{
World.Objects[i].PrepareRender(camera, nr, this);
}
if (transitioned)
{
//Fully in fog. Skip Starsphere
rstate.ClearColor = nr.Nebula.FogColor;
rstate.ClearAll();
}
else
{
rstate.DepthEnabled = false;
if (starSystem == null)
{
rstate.ClearColor = NullColor;
}
else
{
rstate.ClearColor = starSystem.BackgroundColor;
}
rstate.ClearAll();
//Starsphere
if (camera is ThnCamera thn)
{
thn.DefaultZ();
}
for (int i = 0; i < StarSphereModels.Length; i++)
{
Matrix4x4 ssworld = Matrix4x4.CreateTranslation(camera.Position);
if (StarSphereWorlds != null)
{
ssworld = StarSphereWorlds[i] * ssworld;
}
var lighting = Lighting.Empty;
if (StarSphereLightings != null)
{
lighting = StarSphereLightings[i];
}
StarSphereModels[i].DrawImmediate(rstate, resman, ssworld, ref lighting);
}
if (camera is ThnCamera thn2)
{
thn2.CameraZ();
}
//Render fog transition: if any
if (nr != null)
{
rstate.DepthEnabled = false;
nr.RenderFogTransition();
rstate.DepthEnabled = true;
}
}
DebugRenderer.StartFrame(camera, rstate);
Polyline.SetCamera(camera);
commands.StartFrame(rstate);
rstate.DepthEnabled = true;
//Optimisation for dictionary lookups
LightEquipRenderer.FrameStart();
//Clear depth buffer for game objects
rstate.ClearDepth();
billboards.Begin(camera, commands);
//JThreads.Instance.FinishExecute(); //Make sure visibility calculations are complete
if (GLExtensions.Features430 && ExtraLights)
{
//Forward+ heck yeah!
//(WORKED AROUND) Lights being culled too aggressively - Pittsburgh planet light, intro_planet_chunks
//Z test doesn't seem to be working (commented out in shader)
//May need optimisation
int plc = pointLights.Count;
using (var h = pointLightBuffer.Map()) {
var ptr = (PointLight *)h.Handle;
for (int i = 0; i < pointLights.Count; i++)
{
ptr[i] = pointLights[i];
}
}
pointLights.Clear();
//Setup Visible Buffers
var tilesW = (Game.Width + (Game.Width % 16)) / 16;
var tilesH = (Game.Height + (Game.Height % 16)) / 16;
SystemLighting.NumberOfTilesX = tilesW;
if (_twidth != tilesW || _theight != tilesH)
{
_twidth = tilesW;
_theight = tilesH;
//if (opaqueLightBuffer != null) opaqueLightBuffer.Dispose();
if (transparentLightBuffer != null)
{
transparentLightBuffer.Dispose();
}
//opaqueLightBuffer = new ShaderStorageBuffer((tilesW * tilesH) * 512 * sizeof(int));
transparentLightBuffer = new ShaderStorageBuffer((tilesW * tilesH) * 512 * sizeof(int));
}
//Depth
if (_dwidth != Game.Width || _dheight != Game.Height)
{
_dwidth = Game.Width;
_dheight = Game.Height;
if (depthMap != null)
{
depthMap.Dispose();
}
depthMap = new DepthMap(Game.Width, game.Height);
}
depthMap.BindFramebuffer();
rstate.ClearDepth();
rstate.DepthFunction = DepthFunction.Less;
foreach (var obj in objects)
{
obj.DepthPrepass(camera, rstate);
}
rstate.DepthFunction = DepthFunction.LessEqual;
rstate.RenderTarget = null;
if (gconfig.MSAASamples > 0)
{
rstate.RenderTarget = msaa;
}
//Run compute shader
pointLightBuffer.BindIndex(0);
transparentLightBuffer.BindIndex(1);
//opaqueLightBuffer.BindIndex(2);
pointLightCull.Uniform1i("depthTexture", 7);
depthMap.BindTo(7);
pointLightCull.Uniform1i("numLights", plc);
pointLightCull.Uniform1i("windowWidth", Game.Width);
pointLightCull.Uniform1i("windowHeight", Game.Height);
var v = camera.View;
var p = camera.Projection;
Matrix4x4.Invert(p, out p);
pointLightCull.UniformMatrix4fv("viewMatrix", ref v);
pointLightCull.UniformMatrix4fv("invProjection", ref p);
GL.MemoryBarrier(GL.GL_SHADER_STORAGE_BARRIER_BIT); //I don't think these need to be here - confirm then remove?
pointLightCull.Dispatch((uint)tilesW, (uint)tilesH, 1);
GL.MemoryBarrier(GL.GL_SHADER_STORAGE_BARRIER_BIT);
}
else
{
SystemLighting.NumberOfTilesX = -1;
//Simple depth pre-pass
rstate.ColorWrite = false;
rstate.DepthFunction = DepthFunction.Less;
foreach (var obj in objects)
{
obj.DepthPrepass(camera, rstate);
}
rstate.DepthFunction = DepthFunction.LessEqual;
rstate.ColorWrite = true;
}
//Actual Drawing
Beams.Begin(commands, resman, camera);
foreach (var obj in objects)
{
obj.Draw(camera, commands, SystemLighting, nr);
}
Beams.End();
FxPool.Draw(camera, Polyline, resman, DebugRenderer);
for (int i = 0; i < AsteroidFields.Count; i++)
{
AsteroidFields[i].Draw(cache, SystemLighting, commands, nr);
}
nebulae.NewFrame();
if (nr == null)
{
for (int i = 0; i < Nebulae.Count; i++)
{
Nebulae[i].Draw(commands);
}
}
else
{
nr.Draw(commands);
}
nebulae.SetData();
billboards.End();
Polyline.FrameEnd();
//Opaque Pass
rstate.DepthEnabled = true;
commands.DrawOpaque(rstate);
//Transparent Pass
rstate.DepthWrite = false;
commands.DrawTransparent(rstate);
rstate.DepthWrite = true;
PhysicsHook?.Invoke();
foreach (var point in debugPoints)
{
var lX = point + new Vector3(5, 0, 0);
var lmX = point + new Vector3(-5, 0, 0);
var lY = point + new Vector3(0, -5, 0);
var lmY = point + new Vector3(0, 5, 0);
var lZ = point + new Vector3(0, 0, 5);
var lmZ = point + new Vector3(0, 0, -5);
DebugRenderer.DrawLine(lX, lmX);
DebugRenderer.DrawLine(lY, lmY);
DebugRenderer.DrawLine(lZ, lmZ);
}
debugPoints = new Vector3[0];
DebugRenderer.Render();
if (gconfig.MSAASamples > 0)
{
msaa.BlitToScreen();
rstate.RenderTarget = null;
}
rstate.DepthEnabled = true;
}