public static void CacheShaderProgram(string allnames, ShaderProgram compiled)
{
lock(Cache)
{
if(!Cache.ContainsKey(allnames))Cache.Add(allnames, compiled);
}
}
public static void MapSimpleLightsToShader(ShaderProgram sp)
{
sp.SetUniform("SimpleLightsCount", SimpleLights.Count);
sp.SetUniformArray("SimpleLightsPos", SimpleLights.Select<SimplePointLight, Vector3>(a => a.Transformation.GetPosition()).ToArray());
sp.SetUniformArray("SimpleLightsColors", SimpleLights.Select<SimplePointLight, Vector4>(a =>
new Vector4(a.Color.R / 255.0f, a.Color.G / 255.0f, a.Color.B / 255.0f, a.Color.A / 255.0f)).ToArray());
}
public static ShaderProgram Compile(string vertex, string fragment, string geometry = null, string tesscontrol = null, string tesseval = null)
{
string concatedNames = vertex + fragment + geometry + (tesscontrol != null ? tesscontrol : "notess") + (tesseval != null ? tesseval : "notessev");
var cached = ShaderCache.GetShaderProgramOrNull(concatedNames);
if(cached != null)
return cached;
var output = new ShaderProgram(vertex, fragment, geometry, tesscontrol, tesseval);
ShaderCache.CacheShaderProgram(concatedNames, output);
return output;
}
public PassiveVoxelizer()
{
VoxelizerShader = ShaderProgram.Compile("Voxelizer.vertex.glsl", "Voxelizer.fragment.glsl");
BoxesSSBO = new ShaderStorageBuffer();
DrawingFramebuffer = new Framebuffer(256, 256, false)
{
ColorOnly = true,
ColorInternalFormat = PixelInternalFormat.R8,
ColorPixelType = PixelType.Byte,
ColorPixelFormat = PixelFormat.Red
};
}
public ShaderPack(string fs = null)
{
ProgramsList = new List<ShaderProgram>();
if(Program == null)
Program = ShaderProgram.Compile("Generic.vertex.glsl",
fs);
if(TesselatedProgram == null)
TesselatedProgram = ShaderProgram.Compile("Generic.vertex.glsl",
fs, null, "Generic.tesscontrol.glsl", "Generic.tesseval.glsl");
if(Geometry1iTriangles == null)
Geometry1iTriangles = ShaderProgram.Compile("Generic.vertex.glsl",
fs, "Generic.geometry1iTriangles.geometry.glsl");
if(Geometry96iTriangles == null)
Geometry96iTriangles = ShaderProgram.Compile("Generic.vertex.glsl",
fs, "Generic.geometry96iTriangles.geometry.glsl");
ProgramsList.AddRange(new ShaderProgram[] {
Program,
TesselatedProgram,
Geometry1iTriangles,
Geometry96iTriangles,
});
}
public Renderer(int initialWidth, int initialHeight)
{
CubeMap = new CubeMapTexture(Media.Get("posx.jpg"), Media.Get("posy.jpg"), Media.Get("posz.jpg"),
Media.Get("negx.jpg"), Media.Get("negy.jpg"), Media.Get("negz.jpg"));
Width = initialWidth;
Height = initialHeight;
// initialWidth *= 4; initialHeight *= 4;
MRT = new MRTFramebuffer(initialWidth, initialHeight);
DistanceFramebuffer = new Framebuffer(initialWidth / 1, initialHeight / 1)
{
ColorOnly = false,
ColorInternalFormat = PixelInternalFormat.R32f,
ColorPixelFormat = PixelFormat.Red,
ColorPixelType = PixelType.Float
};
HDRShader = ShaderProgram.Compile("PostProcess.vertex.glsl", "HDR.fragment.glsl");
PostProcessingMesh = new Object3dInfo(VertexInfo.FromFloatArray(postProcessingPlaneVertices));
}
public bool Use()
{
var prg = GetShaderProgram();
// if(prg.) {
//GL.Disable(EnableCap.CullFace);
// }
if(lastUserProgram == null)
lastUserProgram = ShaderProgram.Current;
ShaderProgram.SwitchResult res = prg.Use();
// if(res == ShaderProgram.SwitchResult.Locked)
// {
// prg = ShaderProgram.Current;
// }
// if(lastUserProgram == ShaderProgram.Current)
// return true;
//lastUserProgram = ShaderProgram.Current;
prg.SetUniform("TesselationMultiplier", TesselationMultiplier);
if(NormalsTexture != null)
{
prg.SetUniform("UseNormalsTex", 1);
prg.SetUniform("InvertNormalMap", InvertNormalMap);
prg.SetUniform("NormalMapScale", NormalMapScale);
NormalsTexture.Use(TextureUnit.Texture2);
}
else
prg.SetUniform("UseNormalsTex", 0);
if(BumpTexture != null)
{
prg.SetUniform("UseBumpTex", 1);
BumpTexture.Use(TextureUnit.Texture3);
}
else
prg.SetUniform("UseBumpTex", 0);
if(RoughnessTexture != null)
{
prg.SetUniform("UseRoughnessTex", 1);
RoughnessTexture.Use(TextureUnit.Texture7);
}
else
prg.SetUniform("UseRoughnessTex", 0);
if(AlphaTexture != null)
{
prg.SetUniform("UseAlphaTex", 1);
AlphaTexture.Use(TextureUnit.Texture4);
}
else
prg.SetUniform("UseAlphaTex", 0);
if(DiffuseTexture != null)
{
prg.SetUniform("UseDiffuseTex", 1);
DiffuseTexture.Use(TextureUnit.Texture5);
}
else
prg.SetUniform("UseDiffuseTex", 0);
if(SpecularTexture != null)
{
prg.SetUniform("UseSpecularTex", 1);
SpecularTexture.Use(TextureUnit.Texture6);
}
else
prg.SetUniform("UseSpecularTex", 0);
if(Type == MaterialType.Grass)
{
GL.Disable(EnableCap.CullFace);
}
//prg.SetUniform("input_Color", DiffuseColor);
prg.SetUniform("DrawMode", (int)Mode);
prg.SetUniform("MaterialType", (int)Type);
if(Type == MaterialType.DropsSystem && RainsDropSystem != null)
RainsDropSystem.MapToCurrentShader();
// pbr stuff
prg.SetUniform("SpecularColor", SpecularColor);
prg.SetUniform("DiffuseColor", DiffuseColor);
prg.SetUniform("Alpha", Alpha);
prg.SetUniform("Roughness", Roughness);
prg.SetUniform("ReflectionStrength", ReflectionStrength);
prg.SetUniform("RefractionStrength", RefractionStrength);
prg.SetUniform("IgnoreLighting", IgnoreLighting);
prg.SetUniform("ParallaxHeightMultiplier", ParallaxHeightMultiplier);
prg.SetUniform("ParallaxInstances", ParallaxInstances);
// if(Color.W < 1.0f)
// GL.DepthMask(false);
// else
// GL.DepthMask(true);
// prg.SetUniform("AORange", AORange);
// prg.SetUniform("AOStrength", AOStrength);
// prg.SetUniform("AOAngleCutoff", AOAngleCutoff);
// prg.SetUniform("VDAOMultiplier", VDAOMultiplier);
// prg.SetUniform("VDAOSamplingMultiplier", VDAOSamplingMultiplier);
// prg.SetUniform("VDAORefreactionMultiplier", VDAORefreactionMultiplier);
//prg.SetUniform("SubsurfaceScatteringMultiplier", SubsurfaceScatteringMultiplier);
// prg.SetUniform("FrameINT", (int)PostProcessing.RandomIntFrame);
// GL.BindImageTexture(22u, (uint)PostProcessing.FullScene3DTexture.Handle, 0, false, 0,
// TextureAccess.ReadWrite, SizedInternalFormat.R32ui);
return true;
}
public bool Use()
{
if(!Lock)
{
//if(Current == this)
// return false;
if(!Compiled)
Compile();
GL.UseProgram(Handle);
Current = this;
return true;
}
return false;
}
public SwitchResult Use()
{
if(!Compiled)
Compile();
if(Current == this)
return SwitchResult.AlreadyInUse;
GL.UseProgram(Handle);
Current = this;
return SwitchResult.Switched;
}
public PostProcessing(int initialWidth, int initialHeight)
{
//FullScene3DTexture = new Texture3D(new Vector3(64, 64, 64));
TestBuffer = new ShaderStorageBuffer();
NumbersTexture = new Texture(Media.Get("numbers.png"));
CShader = new ComputeShader("Blur.compute.glsl");
GLThread.Invoke(() =>
{
TestBuffer.MapData(new Vector3[4]{
new Vector3(1, 0.25f, 1), new Vector3(0, 0.55f, 0.75f),
new Vector3(1, 0.25f, 0), new Vector3(0.55f, 0, 0.75f)
});
});
Width = initialWidth;
Height = initialHeight;
MSAAResolvingFrameBuffer = new Framebuffer(initialWidth, initialHeight);
MSAAResolvingFrameBuffer.SetMultiSample(true);
MRT = new MRTFramebuffer(initialWidth, initialHeight);
BackMRT = new MRTFramebuffer(initialWidth / 4, initialHeight / 4);
Pass1FrameBuffer = new Framebuffer(initialWidth, initialHeight);
Pass2FrameBuffer = new Framebuffer(initialWidth, initialHeight);
LightPointsFrameBuffer = new Framebuffer(initialWidth / 6, initialHeight / 6);
BloomFrameBuffer = new Framebuffer(initialWidth / 4, initialHeight / 4);
FogFramebuffer = new Framebuffer(initialWidth, initialHeight);
SmallFrameBuffer = new Framebuffer(initialWidth / 10, initialHeight / 10);
LastWorldPositionFramebuffer = new Framebuffer(initialWidth / 1, initialHeight / 1);
RSMFramebuffer = new Framebuffer(initialWidth / 1, initialHeight / 1);
SSReflectionsFramebuffer = new Framebuffer(initialWidth / 1, initialHeight / 1);
VDAOFramebuffer = new Framebuffer(initialWidth / 1, initialHeight / 1);
GlobalIlluminationFrameBuffer = new Framebuffer(initialWidth, initialHeight);
//GlobalIlluminationFrameBuffer.ColorInternalFormat = PixelInternalFormat.R8;
//GlobalIlluminationFrameBuffer.ColorPixelFormat = PixelFormat.Red;
//GlobalIlluminationFrameBuffer.ColorPixelType = PixelType.UnsignedByte;
GlobalIlluminationFrameBuffer.Use();
//BackDiffuseFrameBuffer = new Framebuffer(initialWidth / 2, initialHeight / 2);
//BackNormalsFrameBuffer = new Framebuffer(initialWidth / 2, initialHeight / 2);
ScreenSpaceNormalsWriterShader = ShaderProgram.Compile("Generic.vertex.glsl", "ScreenSpaceNormalsWriter.fragment.glsl");
BackDepthWriterShader = ShaderProgram.Compile("Generic.vertex.glsl", "BackDepthWriter.fragment.glsl");
BloomShader = ShaderProgram.Compile("PostProcess.vertex.glsl", "Bloom.fragment.glsl");
MSAAShader = ShaderProgram.Compile("PostProcess.vertex.glsl", "MSAA.fragment.glsl");
SSAOShader = ShaderProgram.Compile("PostProcess.vertex.glsl", "SSAO.fragment.glsl");
FogShader = ShaderProgram.Compile("PostProcess.vertex.glsl", "Fog.fragment.glsl");
LightPointsShader = ShaderProgram.Compile("PostProcess.vertex.glsl", "LightPoints.fragment.glsl");
LensBlurShader = ShaderProgram.Compile("PostProcess.vertex.glsl", "LensBlur.fragment.glsl");
HDRShader = ShaderProgram.Compile("PostProcess.vertex.glsl", "HDR.fragment.glsl");
BlitShader = ShaderProgram.Compile("PostProcess.vertex.glsl", "Blit.fragment.glsl");
DeferredShader = ShaderProgram.Compile("PostProcess.vertex.glsl", "Deferred.fragment.glsl");
CombinerShader = ShaderProgram.Compile("PostProcess.vertex.glsl", "Combiner.fragment.glsl");
PathTracerOutputShader = ShaderProgram.Compile("PostProcess.vertex.glsl", "Output.fragment.glsl");
GlobalIlluminationShaderX = ShaderProgram.Compile("PostProcess.vertex.glsl", "GlobalIllumination.fragment.glsl");
GlobalIlluminationShaderX.SetGlobal("SEED", "gl_FragCoord.x");
GlobalIlluminationShaderY = ShaderProgram.Compile("PostProcess.vertex.glsl", "GlobalIllumination.fragment.glsl");
GlobalIlluminationShaderY.SetGlobal("SEED", "gl_FragCoord.y");
RSMShader = ShaderProgram.Compile("PostProcess.vertex.glsl", "RSM.fragment.glsl");
SSReflectionsShader = ShaderProgram.Compile("PostProcess.vertex.glsl", "SSReflections.fragment.glsl");
VDAOShader = ShaderProgram.Compile("PostProcess.vertex.glsl", "VDAO.fragment.glsl");
//ReflectShader = ShaderProgram.Compile(Media.ReadAllText("PostProcess.vertex.glsl"), Media.ReadAllText("Reflect.fragment.glsl"));
Object3dInfo postPlane3dInfo = new Object3dInfo(postProcessingPlaneVertices, postProcessingPlaneIndices);
PostProcessingMesh = new Mesh3d(postPlane3dInfo, new GenericMaterial(Color.Pink));
}
private void SetLightingUniforms(ShaderProgram shader)
{
shader.SetUniformArray("LightsPs", LightPool.GetPMatrices());
shader.SetUniformArray("LightsVs", LightPool.GetVMatrices());
shader.SetUniformArray("LightsPos", LightPool.GetPositions());
shader.SetUniformArray("LightsFarPlane", LightPool.GetFarPlanes());
shader.SetUniformArray("LightsColors", LightPool.GetColors());
shader.SetUniformArray("LightsRanges", LightPool.GetRanges());
shader.SetUniformArray("LightsMixModes", LightPool.GetMixModes());
shader.SetUniform("LightsCount", LightPool.GetPositions().Length);
}
public void SetUniforms(ShaderProgram program)
{
program.SetUniform("HBAOContribution", HBAOContribution);
program.SetUniform("GIContribution", GIContribution);
program.SetUniform("MainLightAttentuation", MainLightAttentuation);
program.SetUniform("SimpleLightAttentuation", SimpleLightAttentuation);
program.SetUniform("FogContribution", FogContribution);
program.SetUniform("FogSamples", 1.0f / FogSamples);
program.SetUniform("GISamples", GISamples);
program.SetUniform("HBAOSamples", HBAOSamples);
program.SetUniform("ShadowsBlur", ShadowsBlur);
program.SetUniform("ShadowsSamples", 1.0f / ShadowsSamples);
program.SetUniform("LightPointSize", LightPointSize);
program.SetUniform("SimpleLightPointSize", SimpleLightPointSize);
program.SetUniform("BloomSamples", 1.0f / BloomSamples);
program.SetUniform("BloomSize", BloomSize);
program.SetUniform("BloomContribution", BloomContribution);
program.SetUniform("GIDiffuseComponent", GIDiffuseComponent);
program.SetUniform("HBAOStrength", HBAOStrength);
}
void CompileShaders()
{
if(Program == null)
Program = ShaderProgram.Compile("Generic.vertex.glsl",
"Generic.fragment.glsl");
if(TesselatedProgram == null)
TesselatedProgram = ShaderProgram.Compile("Tesselation.vertex.glsl",
"Generic.fragment.glsl", null, "Generic.tesscontrol.glsl", "Generic.tesseval.glsl");
}
public void SetLightingUniforms(ShaderProgram shader)
{
// MEMORY LEAK
pmats = new List<Matrix4>();
shadowmaplayers = new List<int>();
vmats = new List<Matrix4>();
poss = new List<Vector3>();
fplanes = new List<float>();
colors = new List<Vector4>();
mmodes = new List<int>();
ipointer = 0;
foreach(var e in Lights)
if(e is IShadowMapableLight)
{
var l = e as IShadowMapableLight;
var p = e as ILight;
pmats.Add(l.GetPMatrix());
vmats.Add(l.GetVMatrix());
shadowmaplayers.Add((l as ProjectionLight).ShadowMapArrayIndex);
poss.Add(p.GetPosition());
colors.Add(new Vector4(p.GetColor()));
ipointer++;
}
Game.ShadowMaps.Bind(0);
shader.SetUniformArray("LightsPs", pmats.ToArray());
shader.SetUniformArray("LightsVs", vmats.ToArray());
shader.SetUniformArray("LightsShadowMapsLayer", shadowmaplayers.ToArray());
shader.SetUniformArray("LightsPos", poss.ToArray());
shader.SetUniformArray("LightsFarPlane", fplanes.ToArray());
shader.SetUniformArray("LightsColors", colors.ToArray());
shader.SetUniform("LightsCount", pmats.Count);
pmats = new List<Matrix4>();
vmats = new List<Matrix4>();
poss = new List<Vector3>();
fplanes = new List<float>();
colors = new List<Vector4>();
mmodes = new List<int>();
}
public void MapLightsSSBOToShader(ShaderProgram sp)
{
SSBO.Use(6);
ShaderProgram.Current.SetUniform("SimpleLightsCount", SimpleLightsCount);
}