protected override void PassSetup(ParticleSystemBase p)
{
base.PassSetup(p);
var particle_scale_factor = ValueProvider.Create (() => p.ParticleScaleFactor);
var particle_count = ValueProvider.Create (() => p.PARTICLES_COUNT);
var firstPassSolid = RenderPassFactory.CreateSolidBox
(
NormalDepth_Texture,
m_ParticleAttribute1_Texture,
Depth_Texture,
p.PositionBuffer,
p.ColorBuffer,
p.DimensionBuffer,
p.RotationLocalBuffer,
p.RotationBuffer,
particle_count,
particle_scale_factor,
p.CameraMvp
);
var firstPassShadow = RenderPassFactory.CreateSolidBox
(
Shadow_Texture,
p.PositionBuffer,
p.ColorBuffer,
p.DimensionBuffer,
p.RotationLocalBuffer,
p.RotationBuffer,
particle_count,
particle_scale_factor,
ValueProvider.Create ( () => "FragDepth" + SunLightImpl.ShadowmapType.ToString ()),
SunLightImpl.LightMvp
);
var aocPassSolid = RenderPassFactory.CreateAoc
(
NormalDepth_Texture,
AOC_Texture,
p.CameraMvp.ModelViewProjection,
p.CameraMvp.ModelViewProjectionInv,
p.CameraMvp.Projection,
p.CameraMvp.ProjectionInv,
AocParameters
);
var aocBlur = RenderPassFactory.CreateBilateralFilter
(
AOC_Texture, AOC_Texture_Blurred_H, AOC_Texture_Blurred_HV,
ValueProvider.Create(() => 20 * new Vector4(AocParameters.BlurEdgeAvoidance, AocParameters.BlurEdgeAvoidance, AocParameters.BlurEdgeAvoidance, 0))
);
//
var thirdPassSolid = RenderPassFactory.CreateFullscreenQuad
(
"solid3", "SolidModel",
ValueProvider.Create(() => new Vector2(SolidModeTextureSize, SolidModeTextureSize)),
(window) => { },
(window) =>
{
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
GL.Disable (EnableCap.DepthTest);
GL.Disable (EnableCap.Blend);
},
//pass state
new FramebufferBindingSet{
{ FramebufferAttachment.DepthAttachment, Depth_Texture },
{ "color_luma", BeforeAA_Texture}
},
p.ParticleStateArrayObject,
m_Uniforms,
new TextureBindingSet
{
{ "colorramp_texture", ValueProvider.Create(() => (ColorRamp ?? ColorRamps.RedBlue).Texture)},
{ "normaldepth_texture", NormalDepth_Texture },
{ "particle_attribute1_texture", m_ParticleAttribute1_Texture },
{ "shadow_texture", Shadow_Texture },
{ "aoc_texture", AOC_Texture_Blurred_HV }
}
);
var antialiasPass = RenderPassFactory.CreateFxaa3Filter
(
BeforeAA_Texture, AA_Texture
);
var finalRender = RenderPassFactory.CreateRenderTextureToBuffer
(
AA_Texture,
Depth_Texture,
ValueProvider.Create(() => p.Viewport),
(window) =>
{
p.SetViewport (window);
},
(window) =>
{
GL.Clear (ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
GL.Disable (EnableCap.DepthTest);
GL.Disable (EnableCap.Blend);
},
//TODO: BUG m_ParticleRenderingState is necessary, but it shouldn't be
FramebufferBindingSet.Default,
p.ParticleStateArrayObject
);
m_Pass = new CompoundRenderPass
(
firstPassSolid, firstPassShadow, aocPassSolid, aocBlur, thirdPassSolid, antialiasPass, finalRender
);
}
protected virtual void PassSetup(ParticleSystemBase p)
{
//
m_Uniforms = new UniformState(p.Uniforms)
{
{SunLightImpl.LightMvp, "light"},
{"u_GetShadow", (ShaderType)ShaderTypeExt.ComputeShader, () => "GetShadow" + SunLightImpl.ImplementationType.ToString () },
//{"u_ShadowmapGet", () => "ShadowmapGet" + SunLightImpl.ShadowmapType.ToString () },
//{"u_ShadowmapGetFiltered", () => "ShadowmapGetFiltered" + SunLightImpl.ShadowmapType.ToString () },
{"u_MaterialColorSource", ValueProvider.Create(() => MaterialType)},
{"u_LightSize", ValueProvider.Create(() => LightSize )},
{"u_ShadowSampleCount", ValueProvider.Create(() => ShadowSampleCount )},
{"u_SamplingPattern", MathHelper2.RandomVectorSet (256, new Vector2 (1, 1))},
{"sampling_pattern_len", 256},
};
//m_Uniforms.SetMvp("light", SunLightImpl.LightMvp);
}
public RenderPass GetPass(ParticleSystemBase p)
{
UpdateTextureResolutions();
if(m_Pass != null)
return m_Pass;
ParameterSetup();
TextureSetup();
PassSetup(p);
return m_Pass;
}
protected override void PassSetup(ParticleSystemBase p)
{
base.PassSetup(p);
var particle_scale_factor = ValueProvider.Create (() => p.ParticleScaleFactor);
var particle_count = ValueProvider.Create (() => p.PARTICLES_COUNT);
var firstPassSolid = RenderPassFactory.CreateSolidBox
(
NormalDepth_Texture,
m_ParticleAttribute1_Texture,
Depth_Texture,
p.PositionBuffer,
p.ColorBuffer,
p.DimensionBuffer,
p.RotationLocalBuffer,
p.RotationBuffer,
particle_count,
particle_scale_factor,
p.CameraMvp
);
var firstPassShadow = RenderPassFactory.CreateSolidBox
(
Shadow_Texture,
p.PositionBuffer,
p.ColorBuffer,
p.DimensionBuffer,
p.RotationLocalBuffer,
p.RotationBuffer,
particle_count,
particle_scale_factor,
ValueProvider.Create ( () => "FragDepth" + SunLightImpl.ShadowmapType.ToString ()),
SunLightImpl.LightMvp
);
/*var aocPassSolid = RenderPassFactory.CreateAoc
(
NormalDepth_Texture,
AOC_Texture,
p.CameraMvp.ModelViewProjection,
p.CameraMvp.ModelViewProjectionInv,
p.CameraMvp.Projection,
p.CameraMvp.ProjectionInv,
AocParameters
);*/
SsaoEffect.SourceNormalDepth = NormalDepth_Texture;
SsaoEffect.Target = AOC_Texture;
SsaoEffect.SourceMvp = p.CameraMvp;
var aocPassSolid = RenderPassFactory.CreatePass(SsaoEffect);
/*var aocBlur = RenderPassFactory.CreateBilateralFilter
(
AOC_Texture, AOC_Texture_Blurred_H, AOC_Texture_Blurred_HV,
ValueProvider.Create(() => 20 * new Vector4(AocParameters.BlurEdgeAvoidance, AocParameters.BlurEdgeAvoidance, AocParameters.BlurEdgeAvoidance, 0))
);*/
var aocBlur = RenderPassFactory.CreatePass(new BilateralFilter { Source = AOC_Texture, SourceK = NormalDepth_Texture, Target = AOC_Texture_Blurred_HV, Width = 4 });
string scode =
@"
{0}version 440
{0}define T_LAYOUT_OUT_DEPTH {1}
{0}define T_LAYOUT_OUT_COLORLUMA {2}
layout(local_size_x = {3}, local_size_y = {4}) in;
{0}line 1
";
int workgroupSize = 16;
scode = string.Format (scode, "#", ImageFormat.R32f, BeforeAA_Texture.InternalFormat, workgroupSize, workgroupSize);
var namemodifier = string.Format ("wgsize:{0}x{0},fi:{1},fi:{2}", workgroupSize, ImageFormat.R32f, BeforeAA_Texture.InternalFormat);
var deferredLigthing = new SeparateProgramPass
(
"shadingsetup.solidbox.deferredligthing",
window => { GLExtensions.DispatchCompute ((int)Math.Ceiling((float)Depth_Texture.Width/workgroupSize), (int)Math.Ceiling((float)Depth_Texture.Height/workgroupSize), 1); },
new Program ("shadingsetup.solidbox.deferredligthing")
{
RenderPass.GetShaders ("shadingsetup", "solid3", "compute").PrependText(namemodifier, scode),
},
new ImageBindingSet
{
{"u_TargetDepth", () => Depth_Texture },
{"u_TargetColorLuma", () => BeforeAA_Texture },
},
p.ParticleStateArrayObject,
m_Uniforms,
new TextureBindingSet
{
{ "u_ColorRampTexture", ValueProvider.Create(() => (ColorRamp ?? ColorRamps.RedBlue).Texture)},
{ "u_NormalDepthTexture", NormalDepth_Texture },
{ "u_ParticleAttribute1Texture", m_ParticleAttribute1_Texture },
{ "u_ShadowTexture", Shadow_Texture },
{ "u_SsaoTexture", AOC_Texture_Blurred_HV }
}
);
var antialiasPass = RenderPassFactory.CreatePass( new Fxaa3Filter{ Source = BeforeAA_Texture, Target = AA_Texture});
var finalRender = RenderPassFactory.CreateRenderTextureToBuffer
(
AA_Texture,
Depth_Texture,
ValueProvider.Create(() => p.Viewport),
(window) =>
{
p.SetViewport (window);
},
(window) =>
{
GL.Clear (ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
GL.Disable (EnableCap.DepthTest);
GL.Disable (EnableCap.Blend);
},
//TODO: BUG m_ParticleRenderingState is necessary, but it shouldn't be
FramebufferBindingSet.Default,
p.ParticleStateArrayObject
);
m_Pass = new CompoundRenderPass
(
firstPassSolid, firstPassShadow, aocPassSolid, aocBlur, deferredLigthing, antialiasPass, finalRender
);
}
RenderPass IShadingSetup.GetPass(ParticleSystemBase p)
{
PrepareTexture();
if(m_Pass != null)
return m_Pass;
m_Uniforms = new UniformState(p.Uniforms);
m_Uniforms.Set ("particle_shape", ValueProvider.Create (() => (int)this.ParticleShape));
m_Uniforms.Set ("particle_brightness", ValueProvider.Create (() => this.ParticleBrightness));
m_Uniforms.Set ("smooth_shape_sharpness", ValueProvider.Create (() => this.SmoothShapeSharpness));
//
m_Pass = new SeparateProgramPass
(
"light",
"SmoothShading",
null,
null,
//pass code
(window) =>
{
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
GL.Disable (EnableCap.DepthTest);
GL.Enable (EnableCap.Blend);
GL.BlendFunc (BlendingFactorSrc.SrcAlpha, BlendingFactorDest.One);
GL.BlendEquation (BlendEquationMode.FuncAdd);
//TODO: viewport size actually doesn't propagate to shader, because uniform state has been already activated
p.SetViewport (window);
GL.DrawArrays (BeginMode.Points, 0, p.PARTICLES_COUNT);
},
//pass state
FramebufferBindingSet.Default,
p.ParticleStateArrayObject,
m_Uniforms,
new TextureBindingSet(
new TextureBinding { VariableName = "custom_texture", Texture = m_Texture }
)
);
return m_Pass;
}
protected virtual void PassSetup(ParticleSystemBase p)
{
//
m_Uniforms = new UniformState(p.Uniforms)
{
{SunLightImpl.LightMvp, "light"},
{"u_GetShadow", ShaderType.FragmentShader, () => "GetShadow" + SunLightImpl.ImplementationType.ToString () },
//{"u_ShadowmapGet", () => "ShadowmapGet" + SunLightImpl.ShadowmapType.ToString () },
//{"u_ShadowmapGetFiltered", () => "ShadowmapGetFiltered" + SunLightImpl.ShadowmapType.ToString () },
{"material_color_source", ValueProvider.Create(() => MaterialType)},
{"light_size", ValueProvider.Create(() => LightSize )},
{"light_expmap_level", ValueProvider.Create(() => ExpMapLevel )},
{"light_expmap_range", ValueProvider.Create(() => ExpMapRange )},
{"light_expmap_range_k", ValueProvider.Create(() => ExpMapRangeK )},
{"light_expmap_nsamples", ValueProvider.Create(() => ExpMapNsamples )},
//
{"sampling_pattern", MathHelper2.RandomVectorSet (256, new Vector2 (1, 1))},
{"sampling_pattern_len", 256},
};
//m_Uniforms.SetMvp("light", SunLightImpl.LightMvp);
}