//--------------------------------------------------------------------------------------
void RenderAOFromMesh(ID3D11Device* pd3dDevice,
ID3D11DeviceContext* pd3dImmediateContext,
ID3D11RenderTargetView* pBackBufferRTV,
SceneMesh *pMesh)
{
UINT SampleCount = g_MSAADesc[g_MSAACurrentSettings].SampleCount;
SceneViewInfo ViewInfo;
pd3dImmediateContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
pd3dImmediateContext->RSSetViewports(1, &g_FullViewport);
//--------------------------------------------------------------------------------------
// Clear render target and depth buffer
//--------------------------------------------------------------------------------------
float BgColor[4] = { 1.0f, 1.0f, 1.0f };
pd3dImmediateContext->ClearRenderTargetView(g_ColorRTV, BgColor);
pd3dImmediateContext->ClearDepthStencilView(g_DepthStencilDSV, D3D11_CLEAR_DEPTH, 1.0, 0);
//--------------------------------------------------------------------------------------
// Render color and depth with the Scene3D class
//--------------------------------------------------------------------------------------
pd3dImmediateContext->OMSetRenderTargets(1, &g_ColorRTV, g_DepthStencilDSV);
if (g_UseOrbitalCamera)
{
ViewInfo.WorldViewMatrix = (*g_OrbitalCamera.GetWorldMatrix()) * (*g_OrbitalCamera.GetViewMatrix());
ViewInfo.ProjectionMatrix = *g_OrbitalCamera.GetProjMatrix();
}
else
{
D3DXMATRIX WorldMatrix;
D3DXMatrixRotationX(&WorldMatrix, -D3DX_PI * 0.5f);
ViewInfo.WorldViewMatrix = WorldMatrix * (*g_FirstPersonCamera.GetViewMatrix());
ViewInfo.ProjectionMatrix = *g_FirstPersonCamera.GetProjMatrix();
}
g_pSceneRenderer.OnFrameRender(&ViewInfo, pMesh);
//--------------------------------------------------------------------------------------
// Render the SSAO
//--------------------------------------------------------------------------------------
GFSDK_SSAO_InputDepthData InputDepthData;
InputDepthData.pFullResDepthTextureSRV = g_DepthStencilSRV;
InputDepthData.pProjectionMatrix = (CONST FLOAT*)ViewInfo.ProjectionMatrix;
InputDepthData.ProjectionMatrixLayout = GFSDK_SSAO_ROW_MAJOR_ORDER;
InputDepthData.MetersToViewSpaceUnits = pMesh->GetSceneScale();
GFSDK_SSAO_Status status;
status = g_AORenderer.RenderAO(pd3dImmediateContext, &InputDepthData, &g_AOParams, g_ColorRTV);
assert(status == GFSDK_SSAO_OK);
//--------------------------------------------------------------------------------------
// Copy/resolve colors to the 1xAA backbuffer
//--------------------------------------------------------------------------------------
pd3dImmediateContext->OMSetRenderTargets(1, &pBackBufferRTV, NULL);
ID3D11Texture2D* pBackBufferTexture;
pBackBufferRTV->GetResource((ID3D11Resource**)&pBackBufferTexture);
if (SampleCount > 1)
{
pd3dImmediateContext->ResolveSubresource(pBackBufferTexture, 0, g_ColorTexture, 0, DXGI_FORMAT_R8G8B8A8_UNORM);
}
else
{
pd3dImmediateContext->CopyResource(pBackBufferTexture, g_ColorTexture);
}
SAFE_RELEASE(pBackBufferTexture);
}
