Method Init

demo/d3d11/fluidRender.cpp:52–134

};

void FluidRenderer::Init(ID3D11Device* device, ID3D11DeviceContext* context, int width, int height)
{
	mSceneWidth = width;
	mSceneHeight = height;

	mDepthTex.Init(device, width, height);
	mDepthSmoothTex.Init(device, width, height, false);

	m_device = device;
	m_deviceContext = context;
	
	// create the input layout
	{
		D3D11_INPUT_ELEMENT_DESC inputElementDescs[] =
		{
			{ "POSITION", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 },
			{ "U", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 1, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 },
			{ "V", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 2, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 },
			{ "W", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 3, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 },
		};

		m_device->CreateInputLayout(inputElementDescs, 4, g_ellipsoidDepthVS, sizeof(g_ellipsoidDepthVS), &m_ellipsoidDepthLayout);
	}

	// create the shaders
	m_device->CreateVertexShader(g_ellipsoidDepthVS, sizeof(g_ellipsoidDepthVS), nullptr, &m_ellipsoidDepthVS);
	m_device->CreateGeometryShader(g_ellipsoidDepthGS, sizeof(g_ellipsoidDepthGS), nullptr, &m_ellipsoidDepthGS);
	m_device->CreatePixelShader(g_ellipsoidDepthPS, sizeof(g_ellipsoidDepthPS), nullptr, &m_ellipsoidDepthPS);

	// create the input layout
	{
		D3D11_INPUT_ELEMENT_DESC inputElementDescs[] =
		{
			{ "POSITION", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 },
			{ "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, D3D11_APPEND_ALIGNED_ELEMENT, D3D11_INPUT_PER_VERTEX_DATA, 0 },
		};

		m_device->CreateInputLayout(inputElementDescs, 2, g_passThroughVS, sizeof(g_passThroughVS), &m_passThroughLayout);
	}

	// pass through shader
	m_device->CreateVertexShader(g_passThroughVS, sizeof(g_passThroughVS), nullptr, &m_passThroughVS);

	// full screen pixel shaders
	m_device->CreatePixelShader(g_blurDepthPS, sizeof(g_blurDepthPS), nullptr, &m_blurDepthPS);
	m_device->CreatePixelShader(g_compositePS, sizeof(g_compositePS), nullptr, &m_compositePS);

	// create a constant buffer
	{
		D3D11_BUFFER_DESC bufDesc;
		bufDesc.ByteWidth = sizeof(FluidShaderConst); // 64 * sizeof(float);
		bufDesc.Usage = D3D11_USAGE_DYNAMIC;
		bufDesc.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
		bufDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
		bufDesc.MiscFlags = 0;

		m_device->CreateBuffer(&bufDesc, nullptr, &m_constantBuffer);
	}