void ModelViewer::RenderObjects( GraphicsContext& gfxContext, const Matrix4& ViewProjMat )
{
struct VSConstants
{
Matrix4 modelToProjection;
Matrix4 modelToShadow;
XMFLOAT3 viewerPos;
} vsConstants;
vsConstants.modelToProjection = ViewProjMat;
vsConstants.modelToShadow = m_SunShadow.GetShadowMatrix();
XMStoreFloat3(&vsConstants.viewerPos, m_Camera.GetPosition());
gfxContext.SetDynamicConstantBufferView(0, sizeof(vsConstants), &vsConstants);
uint32_t materialIdx = 0xFFFFFFFFul;
uint32_t VertexStride = m_Model.m_VertexStride;
for (unsigned int meshIndex = 0; meshIndex < m_Model.m_Header.meshCount; meshIndex++)
{
const Model::Mesh& mesh = m_Model.m_pMesh[meshIndex];
uint32_t indexCount = mesh.indexCount;
uint32_t startIndex = mesh.indexDataByteOffset / sizeof(uint16_t);
uint32_t baseVertex = mesh.vertexDataByteOffset / VertexStride;
if (mesh.materialIndex != materialIdx)
{
materialIdx = mesh.materialIndex;
gfxContext.SetDynamicDescriptors(3, 0, 6, m_Model.GetSRVs(materialIdx) );
}
#if USE_VERTEX_BUFFER
gfxContext.DrawIndexed(indexCount, startIndex, baseVertex);
#else
gfxContext.SetConstants(5, baseVertex);
gfxContext.DrawIndexed(indexCount, startIndex);
#endif
}
}
void ModelViewer::RenderScene( void )
{
GraphicsContext& gfxContext = GraphicsContext::Begin(L"Scene Render");
ParticleEffects::Update(gfxContext.GetComputeContext(), Graphics::GetFrameTime());
__declspec(align(16)) struct
{
Vector3 sunDirection;
Vector3 sunLight;
Vector3 ambientLight;
float ShadowTexelSize;
} psConstants;
psConstants.sunDirection = m_SunDirection;
psConstants.sunLight = Vector3(1.0f, 1.0f, 1.0f) * m_SunLightIntensity;
psConstants.ambientLight = Vector3(0.2f, 0.2f, 0.2f);
psConstants.ShadowTexelSize = 1.0f / g_ShadowBuffer.GetWidth();
{
ScopedTimer _prof(L"Z PrePass", gfxContext);
gfxContext.ClearDepth(g_SceneDepthBuffer);
gfxContext.SetRootSignature(m_RootSig);
gfxContext.SetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
gfxContext.SetIndexBuffer(m_Model.m_IndexBuffer.IndexBufferView());
#if USE_VERTEX_BUFFER
gfxContext.SetVertexBuffer(0, m_Model.m_VertexBuffer.VertexBufferView());
#elif USE_ROOT_BUFFER_SRV
gfxContext.SetBufferSRV(2, m_Model.m_VertexBuffer);
#else
gfxContext.SetDynamicDescriptor(2, 0, m_Model.m_VertexBuffer.GetSRV());
#endif
gfxContext.SetDynamicConstantBufferView(1, sizeof(psConstants), &psConstants);
gfxContext.SetPipelineState(m_DepthPSO);
gfxContext.SetDepthStencilTarget(g_SceneDepthBuffer);
gfxContext.SetViewportAndScissor(m_MainViewport, m_MainScissor);
RenderObjects( gfxContext, m_ViewProjMatrix );
}
SSAO::Render(gfxContext, m_Camera);
if (!SSAO::DebugDraw)
{
ScopedTimer _prof(L"Main Render", gfxContext);
gfxContext.ClearColor(g_SceneColorBuffer);
gfxContext.SetRootSignature(m_RootSig);
gfxContext.SetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
gfxContext.SetIndexBuffer(m_Model.m_IndexBuffer.IndexBufferView());
#if USE_VERTEX_BUFFER
gfxContext.SetVertexBuffer(0, m_Model.m_VertexBuffer.VertexBufferView());
#elif USE_ROOT_BUFFER_SRV
gfxContext.SetBufferSRV(2, m_Model.m_VertexBuffer);
#else
gfxContext.SetDynamicDescriptor(2, 0, m_Model.m_VertexBuffer.GetSRV());
#endif
gfxContext.SetDynamicDescriptors(4, 0, 2, m_ExtraTextures);
gfxContext.SetDynamicConstantBufferView(1, sizeof(psConstants), &psConstants);
{
ScopedTimer _prof(L"Render Shadow Map", gfxContext);
m_SunShadow.UpdateMatrix( -m_SunDirection, Vector3(0, -500.0f, 0), Vector3(ShadowDimX, ShadowDimY, ShadowDimZ),
(uint32_t)g_ShadowBuffer.GetWidth(), (uint32_t)g_ShadowBuffer.GetHeight(), 16 );
gfxContext.SetPipelineState(m_ShadowPSO);
g_ShadowBuffer.BeginRendering(gfxContext);
RenderObjects( gfxContext, m_SunShadow.GetViewProjMatrix() );
g_ShadowBuffer.EndRendering(gfxContext);
}
{
ScopedTimer _prof(L"Render Color", gfxContext);
gfxContext.SetPipelineState(m_ModelPSO);
gfxContext.SetRenderTarget(g_SceneColorBuffer, g_SceneDepthBuffer, true);
gfxContext.SetViewportAndScissor(m_MainViewport, m_MainScissor);
RenderObjects( gfxContext, m_ViewProjMatrix );
}
}
ParticleEffects::Render(gfxContext, m_Camera, g_SceneColorBuffer, g_SceneDepthBuffer, g_LinearDepth);
MotionBlur::RenderCameraBlur(gfxContext, m_Camera);
gfxContext.CloseAndExecute();
}
void ModelViewer::RenderScene( void )
{
GraphicsContext& gfxContext = GraphicsContext::Begin(L"Scene Render");
ParticleEffects::Update(gfxContext.GetComputeContext(), Graphics::GetFrameTime());
__declspec(align(16)) struct
{
Vector3 sunDirection;
Vector3 sunLight;
Vector3 ambientLight;
float ShadowTexelSize;
} psConstants;
psConstants.sunDirection = m_SunDirection;
psConstants.sunLight = Vector3(1.0f, 1.0f, 1.0f) * m_SunLightIntensity;
psConstants.ambientLight = Vector3(1.0f, 1.0f, 1.0f) * m_AmbientIntensity;
psConstants.ShadowTexelSize = 1.0f / g_ShadowBuffer.GetWidth();
{
ScopedTimer _prof(L"Z PrePass", gfxContext);
gfxContext.TransitionResource(g_SceneDepthBuffer, D3D12_RESOURCE_STATE_DEPTH_WRITE, true);
gfxContext.ClearDepth(g_SceneDepthBuffer);
gfxContext.SetRootSignature(m_RootSig);
gfxContext.SetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
gfxContext.SetIndexBuffer(m_Model.m_IndexBuffer.IndexBufferView());
#if USE_VERTEX_BUFFER
gfxContext.SetVertexBuffer(0, m_Model.m_VertexBuffer.VertexBufferView());
#elif USE_ROOT_BUFFER_SRV
gfxContext.SetBufferSRV(2, m_Model.m_VertexBuffer);
#else
gfxContext.SetDynamicDescriptor(2, 0, m_Model.m_VertexBuffer.GetSRV());
#endif
gfxContext.SetDynamicConstantBufferView(1, sizeof(psConstants), &psConstants);
gfxContext.SetPipelineState(m_DepthPSO);
gfxContext.SetDepthStencilTarget(g_SceneDepthBuffer.GetDSV());
gfxContext.SetViewportAndScissor(m_MainViewport, m_MainScissor);
RenderObjects(gfxContext, m_ViewProjMatrix );
}
SSAO::Render(gfxContext, m_Camera);
if (!SSAO::DebugDraw)
{
ScopedTimer _prof(L"Main Render", gfxContext);
gfxContext.TransitionResource(g_SceneColorBuffer, D3D12_RESOURCE_STATE_RENDER_TARGET, true);
gfxContext.ClearColor(g_SceneColorBuffer);
// Set the default state for command lists
auto& pfnSetupGraphicsState = [&](void)
{
gfxContext.SetRootSignature(m_RootSig);
gfxContext.SetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
gfxContext.SetIndexBuffer(m_Model.m_IndexBuffer.IndexBufferView());
#if USE_VERTEX_BUFFER
gfxContext.SetVertexBuffer(0, m_Model.m_VertexBuffer.VertexBufferView());
#elif USE_ROOT_BUFFER_SRV
gfxContext.SetBufferSRV(2, m_Model.m_VertexBuffer);
#else
gfxContext.SetDynamicDescriptor(2, 0, m_Model.m_VertexBuffer.GetSRV());
#endif
gfxContext.SetDynamicDescriptors(4, 0, 2, m_ExtraTextures);
gfxContext.SetDynamicConstantBufferView(1, sizeof(psConstants), &psConstants);
};
pfnSetupGraphicsState();
{
ScopedTimer _prof(L"Render Shadow Map", gfxContext);
m_SunShadow.UpdateMatrix(-m_SunDirection, Vector3(0, -500.0f, 0), Vector3(ShadowDimX, ShadowDimY, ShadowDimZ),
(uint32_t)g_ShadowBuffer.GetWidth(), (uint32_t)g_ShadowBuffer.GetHeight(), 16);
gfxContext.SetPipelineState(m_ShadowPSO);
g_ShadowBuffer.BeginRendering(gfxContext);
RenderObjects(gfxContext, m_SunShadow.GetViewProjMatrix());
g_ShadowBuffer.EndRendering(gfxContext);
}
if (SSAO::AsyncCompute)
{
gfxContext.Flush();
pfnSetupGraphicsState();
// Make the 3D queue wait for the Compute queue to finish SSAO
g_CommandManager.GetGraphicsQueue().StallForProducer(g_CommandManager.GetComputeQueue());
}
{
ScopedTimer _prof(L"Render Color", gfxContext);
gfxContext.SetPipelineState(m_ModelPSO);
gfxContext.TransitionResource(g_SSAOFullScreen, D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE);
gfxContext.TransitionResource(g_SceneColorBuffer, D3D12_RESOURCE_STATE_RENDER_TARGET);
gfxContext.TransitionResource(g_SceneDepthBuffer, D3D12_RESOURCE_STATE_DEPTH_READ);
gfxContext.SetRenderTarget(g_SceneColorBuffer.GetRTV(), g_SceneDepthBuffer.GetDSV_DepthReadOnly());
gfxContext.SetViewportAndScissor(m_MainViewport, m_MainScissor);
RenderObjects( gfxContext, m_ViewProjMatrix );
}
}
ParticleEffects::Render(gfxContext, m_Camera, g_SceneColorBuffer, g_SceneDepthBuffer, g_LinearDepth);
// Until I work out how to couple these two, it's "either-or".
if (DepthOfField::Enable)
DepthOfField::Render(gfxContext, m_Camera.GetNearClip(), m_Camera.GetFarClip());
else
MotionBlur::RenderCameraBlur(gfxContext, m_Camera);
gfxContext.Finish();
}