private void BuildFFPSubRenderState( int subRenderStateOrder, string subRenderStateType,
ShaderGenerator.SGPass sgPass, TargetRenderState renderState )
{
if ( subRenderStateOrder == -1 )
{
throw new Exception( "Actual sub render type needs to be declared" );
}
SubRenderState subRenderState;
subRenderState = sgPass.GetCustomFFPSubState( subRenderStateOrder );
if ( subRenderState == null )
{
subRenderState = ShaderGenerator.Instance.CreateSubRenderState( subRenderStateType );
}
if ( subRenderState.PreAddToRenderState( renderState, sgPass.SrcPass, sgPass.DstPass ) )
{
renderState.AddSubRenderStateInstance( subRenderState );
}
else
{
ShaderGenerator.Instance.DestroySubRenderState( subRenderState );
}
}
public override bool PreAddToRenderState( TargetRenderState targetRenderState, Pass srcPass, Pass dstPass )
{
//count the number of texture units we need to process
int validTexUnits = 0;
for ( int i = 0; i < srcPass.TextureUnitStatesCount; i++ )
{
if ( IsProcessingNeeded( srcPass.GetTextureUnitState( i ) ) )
{
validTexUnits++;
}
}
SetTextureUnitCount( validTexUnits );
//Build texture stage sub states
for ( int i = 0; i < srcPass.TextureUnitStatesCount; i++ )
{
TextureUnitState texUnitState = srcPass.GetTextureUnitState( i );
if ( IsProcessingNeeded( texUnitState ) )
{
SetTextureUnit( i, texUnitState );
}
}
return true;
}
internal void ReleasePrograms( Graphics.Pass pass, TargetRenderState renderState )
{
ProgramSet programSet = renderState.ProgramSet;
pass.SetVertexProgram( string.Empty );
pass.SetFragmentProgram( string.Empty );
renderState.DestroyProgramSet();
foreach ( var key in this.vertexShaderMap.Keys )
{
if ( true ) //TODO
{
DestroyGpuProgram( this.vertexShaderMap[ key ] );
this.vertexShaderMap.Remove( key );
break;
}
}
foreach ( var key in this.fragmentShaderMap.Keys )
{
if ( true )
{
DestroyGpuProgram( this.fragmentShaderMap[ key ] );
this.fragmentShaderMap.Remove( key );
break;
}
}
}
public override bool PreAddToRenderState( TargetRenderState targetRenderState, Graphics.Pass srcPass,
Graphics.Pass dstPass )
{
TrackVertexColor trackColor = srcPass.VertexColorTracking;
if ( trackColor != null )
{
AddResolveStageMask( (int)StageFlags.VsInputDiffuse );
}
return true;
}
public override bool PreAddToRenderState( TargetRenderState targetRenderState, Graphics.Pass srcPass,
Graphics.Pass dstPass )
{
bool isValid = true;
Technique firstTech = srcPass.Parent.Parent.GetTechnique( 0 );
//TODO
//var hsAny = firstTech.UserObjectBindings.GetUserAny(HardwareSkinning.HsDataBindName);
if ( false ) //hsAny.isEmpty == false)
{
}
//If there is no associated techniqe, default to linear skinning as a pass-through
if ( this.activeTechnique == null )
{
SetHardwareSkinningParam( 0, 0, RTShaderSystem.SkinningType.Linear, false, false );
}
int boneCount = this.activeTechnique.BoneCount;
int weightCount = this.activeTechnique.WeightCount;
bool doBoneCalculations = isValid && ( boneCount != 0 ) && ( boneCount <= 256 ) && ( weightCount != 0 ) &&
( weightCount <= 4 ) &&
( ( this.creator == null ) || ( boneCount <= this.creator.MaxCalculableBoneCount ) );
this.activeTechnique.DoBoneCalculations = doBoneCalculations;
if ( ( doBoneCalculations ) && ( this.creator != null ) )
{
//update the receiver and caster materials
if ( dstPass.Parent.ShadowCasterMaterial == null )
{
Material mat = this.creator.GetCustomShadowCasterMaterial( this.skinningType, weightCount - 1 );
dstPass.Parent.SetShadowCasterMaterial( mat.Name );
}
if ( dstPass.Parent.ShadowReceiverMaterial == null )
{
Material mat = this.creator.GetCustomShadowCasterMaterial( this.skinningType, weightCount - 1 );
dstPass.Parent.SetShadowReceiverMaterial( mat.Name );
}
}
return true;
}
public override bool PreAddToRenderState( TargetRenderState targetRenderState, Graphics.Pass srcPass,
Graphics.Pass dstPass )
{
if ( srcPass.LightingEnabled == false || srcPass.Parent.Parent.ReceiveShadows == false )
{
return false;
}
foreach ( var it in this.shadowTextureParamsList )
{
TextureUnitState curShadowTexture = dstPass.CreateTextureUnitState();
//TODO
//curShadowTexture.ContentType = TextureUnitState.ContentShadow;
curShadowTexture.SetTextureAddressingMode( TextureAddressing.Border );
curShadowTexture.TextureBorderColor = Core.ColorEx.White;
it.TextureSamplerIndex = dstPass.TextureUnitStatesCount - 1;
}
return true;
}
/// <summary>
/// build render state from the given pass that emulates the fixed function pipeline behavior
/// </summary>
/// <param name="sgPass"> The shader generator pass representation. Contains both source and destination pass </param>
/// <param name="renderState"> The target render state that will hold the given pass FFP representation </param>
public void BuildRenderState( ShaderGenerator.SGPass sgPass, TargetRenderState renderState )
{
renderState.Reset();
//Build transformation sub state
BuildFFPSubRenderState( -1, FFPTransform.FFPType, sgPass, renderState );
//Build color sub state
BuildFFPSubRenderState( -1, FFPTransform.FFPType, sgPass, renderState );
//Build lighting sub state.
BuildFFPSubRenderState( -1, FFPTransform.FFPType, sgPass, renderState );
//Build texturing sub state
BuildFFPSubRenderState( -1, FFPTransform.FFPType, sgPass, renderState );
//Build fog sub state
BuildFFPSubRenderState( -1, FFPTransform.FFPType, sgPass, renderState );
//resolve color stage flags
ResolveColorStageFlags( sgPass, renderState );
}
public override bool PreAddToRenderState(TargetRenderState targetRenderState, Pass srcPass, Pass dstPass)
{
TextureUnitState textureUnit;
//Create the mask texture unit.
textureUnit = dstPass.CreateTextureUnitState();
textureUnit.SetTextureName(this.maskMapTextureName);
this.maskMapSamplerIndex = dstPass.TextureUnitStatesCount - 1;
//Create the reflection texture unit.
textureUnit = dstPass.CreateTextureUnitState();
if (this.reflectionMapType == TextureType.TwoD)
{
textureUnit.SetTextureName(this.reflectionMapTextureName);
}
else
{
textureUnit.SetCubicTextureName(this.reflectionMapTextureName, true);
}
this.reflectionMapSamplerIndex = dstPass.TextureUnitStatesCount - 1;
return(true);
}
public override bool PreAddToRenderState( TargetRenderState targetRenderState, Pass srcPass, Pass dstPass )
{
TextureUnitState textureUnit;
//Create the mask texture unit.
textureUnit = dstPass.CreateTextureUnitState();
textureUnit.SetTextureName( this.maskMapTextureName );
this.maskMapSamplerIndex = dstPass.TextureUnitStatesCount - 1;
//Create the reflection texture unit.
textureUnit = dstPass.CreateTextureUnitState();
if ( this.reflectionMapType == TextureType.TwoD )
{
textureUnit.SetTextureName( this.reflectionMapTextureName );
}
else
{
textureUnit.SetCubicTextureName( this.reflectionMapTextureName, true );
}
this.reflectionMapSamplerIndex = dstPass.TextureUnitStatesCount - 1;
return true;
}
internal void AcquirePrograms( Graphics.Pass pass, TargetRenderState renderState )
{
//Create the CPU programs
if ( !renderState.CreateCpuPrograms() )
{
throw new Core.AxiomException( "Could not apply render state " );
}
ProgramSet programSet = renderState.ProgramSet;
//Create the GPU programs
if ( !CreateGpuPrograms( programSet ) )
{
throw new Core.AxiomException( "Could not create gpu program from render state " );
}
//bind the created gpu programs to the target pass
pass.SetVertexProgram( programSet.GpuVertexProgram.Name );
pass.SetFragmentProgram( programSet.GpuFragmentProgram.Name );
//Bind uniform parameters to pass parameters
BindUniformParameters( programSet.CpuVertexProgram, pass.VertexProgramParameters );
BindUniformParameters( programSet.CpuFragmentProgram, pass.FragmentProgramParameters );
}
private void ResolveColorStageFlags( ShaderGenerator.SGPass sgPass, TargetRenderState renderState )
{
var subRenderStateList = renderState.TemplateSubRenderStateList;
FFPColor colorSubState = null;
//find the color sub state
foreach ( var curSubRenderState in subRenderStateList )
{
if ( curSubRenderState.Type == FFPColor.FFPType )
{
colorSubState = curSubRenderState as FFPColor;
}
}
foreach ( var curSubRenderState in subRenderStateList )
{
//Add vertex shader specular lighting output in case of specular enabled.
if ( curSubRenderState.Type == FFPLighting.FFPType )
{
colorSubState.AddResolveStageMask( (int)FFPColor.StageFlags.VsOutputdiffuse );
Pass srcPass = sgPass.SrcPass;
if ( srcPass.Shininess > 0 && srcPass.Specular != ColorEx.Black )
{
colorSubState.AddResolveStageMask( (int)FFPColor.StageFlags.VsOutputSpecular );
}
break;
}
}
}
public override bool PreAddToRenderState( TargetRenderState targetRenderState, Graphics.Pass srcPass,
Graphics.Pass dstPass )
{
if ( srcPass.LightingEnabled == false )
{
return false;
}
var lightCount = new int[3];
targetRenderState.GetLightCount( out lightCount );
TrackVertexColorType = srcPass.VertexColorTracking;
if ( srcPass.Shininess > 0.0 && srcPass.Specular != ColorEx.Black )
{
SpecularEnable = true;
}
else
{
SpecularEnable = false;
}
//Case this pass should run once per light(s) -> override the light policy.
if ( srcPass.IteratePerLight )
{
//This is the preferred case -> only one type of light is handled
if ( srcPass.RunOnlyOncePerLightType )
{
if ( srcPass.OnlyLightType == LightType.Point )
{
lightCount[ 0 ] = srcPass.LightsPerIteration;
lightCount[ 1 ] = 0;
lightCount[ 2 ] = 0;
}
else if ( srcPass.OnlyLightType == LightType.Directional )
{
lightCount[ 0 ] = 0;
lightCount[ 1 ] = srcPass.LightsPerIteration;
lightCount[ 2 ] = 0;
}
else if ( srcPass.OnlyLightType == LightType.Spotlight )
{
lightCount[ 0 ] = 0;
lightCount[ 1 ] = 0;
lightCount[ 2 ] = srcPass.LightsPerIteration;
}
}
else
{
throw new AxiomException(
"Using iterative lighting method with RT Shader System requires specifying explicit light type." );
}
}
SetLightCount( lightCount );
return true;
}
public override bool PreAddToRenderState( TargetRenderState targetRenderState, Graphics.Pass srcPass,
Graphics.Pass dstPass )
{
return base.PreAddToRenderState( targetRenderState, srcPass, dstPass );
}
public override bool PreAddToRenderState( TargetRenderState targetRenderState, Pass srcPass, Pass dstPass )
{
FogMode fMode;
ColorEx newFogColor;
Real newFogStart, newFogEnd, newFogDensity;
if ( srcPass.FogOverride )
{
fMode = srcPass.FogMode;
newFogColor = srcPass.FogColor;
newFogStart = srcPass.FogStart;
newFogEnd = srcPass.FogEnd;
newFogDensity = srcPass.FogDensity;
}
else
{
var sceneMgr = ShaderGenerator.Instance.ActiveSceneManager;
if ( sceneMgr == null )
{
fMode = FogMode.None;
newFogColor = ColorEx.White;
newFogStart = 0.0f;
newFogEnd = 0.0f;
newFogDensity = 0.0f;
}
else
{
fMode = sceneMgr.FogMode;
newFogColor = sceneMgr.FogColor;
newFogStart = sceneMgr.FogStart;
newFogEnd = sceneMgr.FogEnd;
newFogDensity = sceneMgr.FogDensity;
}
this.passOverrideParams = false;
}
//Set fog properties
SetFogProperties( fMode, newFogColor, newFogStart, newFogEnd, newFogDensity );
//Override scene fog since it will happen in shader
dstPass.SetFog( true, FogMode.None, newFogColor, newFogDensity, newFogStart, newFogEnd );
return true;
}
public virtual bool PreAddToRenderState( TargetRenderState targetRenderState, Graphics.Pass srcPass,
Graphics.Pass dstPass )
{
return true;
}
internal static global::System.Runtime.InteropServices.HandleRef getCPtr(TargetRenderState obj)
{
return((obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr);
}
public override bool PreAddToRenderState( TargetRenderState targetRenderState, Pass srcPass, Pass dstPass )
{
if ( srcPass.LightingEnabled == false )
{
return false;
}
var lightCount = new int[3];
targetRenderState.GetLightCount( out lightCount );
TextureUnitState normalMapTexture = dstPass.CreateTextureUnitState();
normalMapTexture.SetTextureName( this.normalMapTextureName );
normalMapTexture.SetTextureFiltering( this.normalMapMinFilter, this.normalMapMagFilter, this.normalMapMipfilter );
normalMapTexture.TextureAnisotropy = (int)this.normalMapAnisotropy;
normalMapTexture.TextureMipmapBias = this.normalMapMipBias;
this.normalMapSamplerIndex = dstPass.TextureUnitStatesCount - 1;
TrackVertexColorType = ( srcPass.VertexColorTracking );
if ( srcPass.Shininess > 0 && srcPass.Specular != ColorEx.Black )
{
SpecularEnable = true;
}
else
{
SpecularEnable = false;
}
//Case this pass should run once per light(s)
if ( srcPass.IteratePerLight )
{
//This is the preferred case -> only one type of light is handled
if ( srcPass.RunOnlyOncePerLightType )
{
if ( srcPass.OnlyLightType == LightType.Point )
{
lightCount[ 0 ] = srcPass.LightsPerIteration;
lightCount[ 1 ] = 0;
lightCount[ 2 ] = 0;
}
else if ( srcPass.OnlyLightType == LightType.Directional )
{
lightCount[ 0 ] = 0;
lightCount[ 1 ] = srcPass.LightsPerIteration;
lightCount[ 2 ] = 0;
}
else if ( srcPass.OnlyLightType == LightType.Spotlight )
{
lightCount[ 0 ] = 0;
lightCount[ 1 ] = 0;
lightCount[ 2 ] = srcPass.LightsPerIteration;
}
}
//This is wors case -> all light types epected to be handled.
//Can not handle this request in efficient way - throw an exception
else
{
throw new AxiomException(
"Using iterative lighting method with RT Shader System requires specifying explicit light type." );
}
}
SetLightCount( lightCount );
return true;
}
public override bool PreAddToRenderState(TargetRenderState targetRenderState, Graphics.Pass srcPass,
Graphics.Pass dstPass)
{
return(base.PreAddToRenderState(targetRenderState, srcPass, dstPass));
}
