static void updateJointMatricesNoJob( tAnimHierarchy* pAnimHierarchy,
tMatrix44* aAnimMatrices )
{
// update joint matrices in hierarchy
// use worker threads
int iJoint = 0;
int iLevel = 0;
for( ;; )
{
if( iJoint >= pAnimHierarchy->miNumJoints )
{
break;
}
tJoint* pJoint = &pAnimHierarchy->maJoints[iJoint];
if( pJoint->miLevel > iLevel )
{
// update next level
++iLevel;
}
int iJointIndex = 0;
int iNumHierarchyJoints = pAnimHierarchy->miNumJoints;
for( iJointIndex = 0; iJointIndex < iNumHierarchyJoints; iJointIndex++ )
{
if( !strcmp( pAnimHierarchy->maJoints[iJointIndex].mszName, pJoint->mszName ) )
{
break;
}
}
WTFASSERT2( iJointIndex < iNumHierarchyJoints, "can't find joint in hierarchy" );
// transform
tMatrix44 const* pParentMatrix = &gIdentityMat;
if( pJoint->mpParent )
{
pParentMatrix = pJoint->mpParent->mpTotalMatrix;
}
// M(total) = M(parent) * M(local) * M(anim)
tMatrix44 parentLocalMatrix;
tMatrix44* pTotalMatrix = pJoint->mpTotalMatrix;
tMatrix44* pSkinMatrix = pJoint->mpSkinMatrix;
Matrix44Multiply( &parentLocalMatrix, pParentMatrix, pJoint->mpLocalMatrix );
//Matrix44Multiply( pTotalMatrix, &parentLocalMatrix, pJoint->mpAnimMatrix );
Matrix44Multiply( pTotalMatrix, &parentLocalMatrix, &aAnimMatrices[iJointIndex]);
// M(skin) = M(total) * M(invPose)
Matrix44Multiply( pJoint->mpSkinMatrix, pTotalMatrix, pJoint->mpInvPoseMatrix );
// M(invTransposeSkin)
tMatrix44 invSkinMatrix;
Matrix44Inverse( &invSkinMatrix, pSkinMatrix );
Matrix44Transpose( pJoint->mpInvTransSkinningMatrix, &invSkinMatrix );
++iJoint;
}
}
void LightList::QueueTiledLightCulling(Renderer& rRenderer, const Camera& rCamera)
{
RdrResourceCommandList* pResCommandList = rRenderer.GetActionCommandList();
Vec2 viewportSize = rRenderer.GetViewportSize();
uint tileCountX = RdrComputeOp::getThreadGroupCount((uint)viewportSize.x, TILEDLIGHTING_TILE_SIZE);
uint tileCountY = RdrComputeOp::getThreadGroupCount((uint)viewportSize.y, TILEDLIGHTING_TILE_SIZE);
bool tileCountChanged = false;
if (m_tiledLightData.tileCountX != tileCountX || m_tiledLightData.tileCountY != tileCountY)
{
m_tiledLightData.tileCountX = tileCountX;
m_tiledLightData.tileCountY = tileCountY;
tileCountChanged = true;
}
//////////////////////////////////////
// Depth min max
if (tileCountChanged)
{
if (m_tiledLightData.hDepthMinMaxTex)
pResCommandList->ReleaseResource(m_tiledLightData.hDepthMinMaxTex);
m_tiledLightData.hDepthMinMaxTex = pResCommandList->CreateTexture2D(tileCountX, tileCountY, RdrResourceFormat::R16G16_FLOAT, RdrResourceUsage::Default, nullptr);
}
// Update constants
Matrix44 viewMtx;
Matrix44 invProjMtx;
rCamera.GetMatrices(viewMtx, invProjMtx);
invProjMtx = Matrix44Inverse(invProjMtx);
invProjMtx = Matrix44Transpose(invProjMtx);
uint constantsSize = sizeof(Vec4) * 4;
Vec4* pConstants = (Vec4*)RdrFrameMem::AllocAligned(constantsSize, 16);
for (int i = 0; i < 4; ++i)
{
pConstants[i].x = invProjMtx.m[i][0];
pConstants[i].y = invProjMtx.m[i][1];
pConstants[i].z = invProjMtx.m[i][2];
pConstants[i].w = invProjMtx.m[i][3];
}
m_tiledLightData.hDepthMinMaxConstants = pResCommandList->CreateUpdateConstantBuffer(m_tiledLightData.hDepthMinMaxConstants,
pConstants, constantsSize, RdrCpuAccessFlags::Write, RdrResourceUsage::Dynamic);
// Fill draw op
RdrComputeOp* pDepthOp = RdrFrameMem::AllocComputeOp();
pDepthOp->shader = RdrComputeShader::TiledDepthMinMax;
pDepthOp->threads[0] = tileCountX;
pDepthOp->threads[1] = tileCountY;
pDepthOp->threads[2] = 1;
pDepthOp->ahWritableResources.assign(0, m_tiledLightData.hDepthMinMaxTex);
pDepthOp->ahResources.assign(0, rRenderer.GetPrimaryDepthBuffer());
pDepthOp->ahConstantBuffers.assign(0, m_tiledLightData.hDepthMinMaxConstants);
rRenderer.AddComputeOpToPass(pDepthOp, RdrPass::LightCulling);
//////////////////////////////////////
// Light culling
if (tileCountChanged)
{
if (m_tiledLightData.hLightIndices)
pResCommandList->ReleaseResource(m_tiledLightData.hLightIndices);
m_tiledLightData.hLightIndices = pResCommandList->CreateDataBuffer(nullptr, tileCountX * tileCountY * TILEDLIGHTING_BLOCK_SIZE, RdrResourceFormat::R16_UINT, RdrResourceUsage::Default);
}
// Update constants
constantsSize = sizeof(TiledLightCullingParams);
TiledLightCullingParams* pParams = (TiledLightCullingParams*)RdrFrameMem::AllocAligned(constantsSize, 16);
Matrix44 mtxProj;
rCamera.GetMatrices(pParams->mtxView, mtxProj);
pParams->mtxView = Matrix44Transpose(pParams->mtxView);
pParams->proj_11 = mtxProj._11;
pParams->proj_22 = mtxProj._22;
pParams->cameraNearDist = rCamera.GetNearDist();
pParams->cameraFarDist = rCamera.GetFarDist();
pParams->screenSize = viewportSize;
pParams->fovY = rCamera.GetFieldOfViewY();
pParams->aspectRatio = rCamera.GetAspectRatio();
pParams->spotLightCount = m_spotLights.size();
pParams->pointLightCount = m_pointLights.size();
pParams->tileCountX = tileCountX;
pParams->tileCountY = tileCountY;
m_tiledLightData.hCullConstants = pResCommandList->CreateUpdateConstantBuffer(m_tiledLightData.hCullConstants,
pParams, constantsSize, RdrCpuAccessFlags::Write, RdrResourceUsage::Dynamic);
// Fill draw op
RdrComputeOp* pCullOp = RdrFrameMem::AllocComputeOp();
pCullOp->threads[0] = tileCountX;
pCullOp->threads[1] = tileCountY;
pCullOp->threads[2] = 1;
pCullOp->ahWritableResources.assign(0, m_tiledLightData.hLightIndices);
pCullOp->ahResources.assign(0, m_hSpotLightListRes);
pCullOp->ahResources.assign(1, m_hPointLightListRes);
pCullOp->ahResources.assign(2, m_tiledLightData.hDepthMinMaxTex);
pCullOp->ahConstantBuffers.assign(0, m_tiledLightData.hCullConstants);
rRenderer.AddComputeOpToPass(pCullOp, RdrPass::LightCulling);
}