unsafe IConstantBuffer GetShadowConstants(ICascadeShadowMap csm, ref MyShadowsSettings settings)
{
const int MAX_SLICES_COUNT = 8;
MyRenderProxy.Assert(csm.SlicesCount <= MAX_SLICES_COUNT, "It is not supported more than 8 slices per cascade shadow map");
int size = sizeof(Matrix) * MAX_SLICES_COUNT + sizeof(Vector4) * MAX_SLICES_COUNT;
IConstantBuffer cb = MyCommon.GetObjectCB(size);
var mapping = MyMapping.MapDiscard(cb);
for (int i = 0; i < csm.SlicesCount; i++)
{
// Set matrices:
Matrix matrix = csm.GetSlice(i).MatrixWorldAt0ToShadowSpace;
matrix = matrix * Matrix.CreateTranslation(1, -1, 0);
Vector2 scalingFactor = new Vector2(0.5f, -0.5f);
matrix = matrix * Matrix.CreateScale(scalingFactor.X, scalingFactor.Y, 1);
matrix = Matrix.Transpose(matrix);
mapping.WriteAndPosition(ref matrix);
// Set normal offsets:
mapping.WriteAndPosition(ref settings.Cascades[i].ShadowNormalOffset);
float zero = 0;
for (int j = 1; j < 4; j++)
{
mapping.WriteAndPosition(ref zero);
}
}
mapping.Unmap();
return(cb);
}
public void DisposeCsm(ICascadeShadowMap csm)
{
MyCascadeShadowMap myCsm = (MyCascadeShadowMap)csm;
MyRenderProxy.Assert(!m_objectsPoolCsm.Active.Contains(myCsm), "Shadowmap is not active, maybe it is disposed already.");
myCsm.Destroy();
m_objectsPoolCsm.Deallocate(myCsm);
}
unsafe ConstantsBufferId GetShadowConstants(ICascadeShadowMap csm, ref MyShadowsSettings settings)
{
const int MAX_SLICES_COUNT = 8;
MyRenderProxy.Assert(csm.SlicesCount <= MAX_SLICES_COUNT, "It is not supported more than 8 slices per cascade shadow map");
int size = sizeof(Matrix)*MAX_SLICES_COUNT + sizeof(Vector4)*MAX_SLICES_COUNT;
ConstantsBufferId cb = MyCommon.GetObjectCB(size);
var mapping = MyMapping.MapDiscard(cb);
for (int i = 0; i < csm.SlicesCount; i++)
{
// Set matrices:
Matrix matrix = csm.GetSlice(i).MatrixWorldAt0ToShadowSpace;
matrix = matrix*Matrix.CreateTranslation(1, -1, 0);
Vector2 scalingFactor = new Vector2(0.5f, -0.5f);
matrix = matrix * Matrix.CreateScale(scalingFactor.X, scalingFactor.Y, 1);
matrix = Matrix.Transpose(matrix);
mapping.WriteAndPosition(ref matrix);
// Set normal offsets:
mapping.WriteAndPosition(ref settings.Cascades[i].ShadowNormalOffset);
float zero = 0;
for (int j = 1; j < 4; j++)
mapping.WriteAndPosition(ref zero);
}
mapping.Unmap();
return cb;
}
public void DisposeCsm(ICascadeShadowMap csm)
{
MyCascadeShadowMap myCsm = (MyCascadeShadowMap)csm;
MyRenderProxy.Assert(!m_objectsPoolCsm.Active.Contains(myCsm), "Shadowmap is not active, maybe it is disposed already.");
myCsm.Destroy();
m_objectsPoolCsm.Deallocate(myCsm);
}
public void Draw(IRtvTexture outTex, IDepthStencil stencil, ICascadeShadowMap csm, ref MyShadowsSettings settings)
{
MyRenderContext RC = MyRender11.RC;
RC.SetBlendState(null);
RC.SetRtv(outTex);
RC.PixelShader.Set(m_ps);
RC.PixelShader.SetSrv(0, stencil.SrvDepth);
RC.PixelShader.SetSrv(1, stencil.SrvStencil);
RC.PixelShader.SetSrv(2, csm.DepthArrayTexture);
RC.PixelShader.SetSrv(3, MyGBuffer.Main.GBuffer1);
RC.PixelShader.SetConstantBuffer(MyCommon.FRAME_SLOT, MyCommon.FrameConstants);
RC.PixelShader.SetConstantBuffer(1, GetShadowConstants(csm, ref settings));
RC.PixelShader.SetSampler(6, MySamplerStateManager.Shadowmap);
MyScreenPass.DrawFullscreenQuad();
RC.ResetTargets();
}
public void Draw(IRtvTexture outTex, IDepthStencil stencil, ICascadeShadowMap csm, ref MyShadowsSettings settings)
{
MyRenderContext RC = MyRender11.RC;
RC.SetBlendState(null);
RC.SetRtv(outTex);
RC.PixelShader.Set(m_ps);
RC.PixelShader.SetSrv(0, stencil.SrvDepth);
RC.PixelShader.SetSrv(1, stencil.SrvStencil);
RC.PixelShader.SetSrv(2, csm.DepthArrayTexture);
RC.PixelShader.SetSrv(3, MyGBuffer.Main.GBuffer1);
RC.PixelShader.SetConstantBuffer(MyCommon.FRAME_SLOT, MyCommon.FrameConstants);
RC.PixelShader.SetConstantBuffer(1, GetShadowConstants(csm, ref settings));
RC.PixelShader.SetSampler(6, MySamplerStateManager.Shadowmap);
MyScreenPass.DrawFullscreenQuad();
RC.ResetTargets();
}
public void ApplyPostprocess(MyPostprocessShadows.Type type, IRtvTexture outTex, IDepthStencil stencil, ICascadeShadowMap csm,
ref MyShadowsSettings settings)
{
MyPostprocessShadows postprocess = null;
switch (type)
{
case MyPostprocessShadows.Type.HARD:
postprocess = m_postprocessHardShadows;
break;
case MyPostprocessShadows.Type.SIMPLE:
postprocess = m_postprocessSimpleShadows;
break;
default:
MyRenderProxy.Assert(false);
break;
}
postprocess.Draw(outTex, stencil, csm, ref settings);
}
public void MarkAllCascades(IDepthStencil depthStencil, Matrix worldToProjection, ICascadeShadowMap csm)
{
m_markCascades.MarkAllCascades(depthStencil, worldToProjection, csm);
}
public void ApplyPostprocess(MyPostprocessShadows.Type type, IRtvTexture outTex, IDepthStencil stencil, ICascadeShadowMap csm,
ref MyShadowsSettings settings)
{
MyPostprocessShadows postprocess = null;
switch (type)
{
case MyPostprocessShadows.Type.HARD:
postprocess = m_postprocessHardShadows;
break;
case MyPostprocessShadows.Type.SIMPLE:
postprocess = m_postprocessSimpleShadows;
break;
default:
MyRenderProxy.Assert(false);
break;
}
postprocess.Draw(outTex, stencil, csm, ref settings);
}
public void MarkAllCascades(IDepthStencil depthStencil, Matrix worldToProjection, ICascadeShadowMap csm)
{
m_markCascades.MarkAllCascades(depthStencil, worldToProjection, csm);
}
public void MarkAllCascades(IDepthStencil depthStencil, Matrix worldToProjection, ICascadeShadowMap csm)
{
MyRenderContext RC = MyRender11.RC;
RC.ClearDsv(depthStencil, DepthStencilClearFlags.Stencil, 0, 0);
for (int i = 0; i < csm.SlicesCount; i++)
{
MarkOneCascade(i, depthStencil, worldToProjection, csm.GetSlice(i));
}
}
public MyShadowManager()
{
m_mainCsm = ShadowCore.CreateCsm(2048, 7);
m_mainCsm.CsmPlacementStrategy = new MyCsmRigidPlacementStrategy();
}
public MyShadowManager()
{
m_mainCsm = ShadowCore.CreateCsm(2048, 7);
m_mainCsm.CsmPlacementStrategy = new MyCsmRigidPlacementStrategy();
}
public void MarkAllCascades(IDepthStencil depthStencil, Matrix worldToProjection, ICascadeShadowMap csm)
{
MyRenderContext RC = MyRender11.RC;
RC.ClearDsv(depthStencil, DepthStencilClearFlags.Stencil, 0, 0);
for (int i = 0; i < csm.SlicesCount; i++)
{
MarkOneCascade(i, depthStencil, worldToProjection, csm.GetSlice(i));
}
}