1.2.0.beta.11.2.0.beta.1

1 files changed, 173 insertions, 0 deletions

diff --git a/demo/d3d11/pointRenderD3D11.cpp b/demo/d3d11/pointRenderD3D11.cpp
new file mode 100644
index 0000000..20dde46
--- /dev/null
+++ b/demo/d3d11/pointRenderD3D11.cpp
@@ -0,0 +1,173 @@
+/*
+ * Copyright (c) 2008-2017, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * NVIDIA CORPORATION and its licensors retain all intellectual property
+ * and proprietary rights in and to this software, related documentation
+ * and any modifications thereto.  Any use, reproduction, disclosure or
+ * distribution of this software and related documentation without an express
+ * license agreement from NVIDIA CORPORATION is strictly prohibited.
+ */
+
+//direct3d headers
+
+#define NOMINMAX
+
+#include <d3d11.h>
+
+// include the Direct3D Library file
+#pragma comment (lib, "d3d11.lib")
+
+#include <math.h>
+
+#include "appD3D11Ctx.h"
+
+#include "shadowMapD3D11.h"
+
+#include "pointRenderD3D11.h"
+
+#include "../d3d/shaders/pointVS.hlsl.h"
+#include "../d3d/shaders/pointGS.hlsl.h"
+#include "../d3d/shaders/pointPS.hlsl.h"
+#include "../d3d/shaders/pointShadowPS.hlsl.h"
+
+#include "../d3d/shaderCommonD3D.h"
+
+void PointRendererD3D11::init(ID3D11Device* device, ID3D11DeviceContext* context)
+{
+	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 },
+			{ "DENSITY", 0, DXGI_FORMAT_R32_FLOAT, 1, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 },
+			{ "PHASE", 0, DXGI_FORMAT_R32_SINT, 2, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 },
+		};
+
+		m_device->CreateInputLayout(inputElementDescs, 3, g_pointVS, sizeof(g_pointVS), &m_inputLayout);
+	}
+
+	// create the shaders
+	m_device->CreateVertexShader(g_pointVS, sizeof(g_pointVS), nullptr, &m_pointVs);
+	m_device->CreateGeometryShader(g_pointGS, sizeof(g_pointGS), nullptr, &m_pointGs);
+	m_device->CreatePixelShader(g_pointPS, sizeof(g_pointPS), nullptr, &m_pointPs);
+	m_device->CreatePixelShader(g_pointShadowPS, sizeof(g_pointShadowPS), nullptr, &m_pointShadowPs);
+
+	// create a constant buffer
+	{
+		D3D11_BUFFER_DESC bufDesc;
+		bufDesc.ByteWidth = sizeof(Hlsl::PointShaderConst); // 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);
+	}
+
+	// create the rasterizer state
+	for (int i = 0; i < NUM_POINT_RENDER_MODES; i++)
+	{
+		for (int j = 0; j < NUM_POINT_CULL_MODES; j++)
+
+		{
+			D3D11_RASTERIZER_DESC desc = {};
+			desc.FillMode = (D3D11_FILL_MODE)(D3D11_FILL_WIREFRAME + i);
+			desc.CullMode = (D3D11_CULL_MODE)(D3D11_CULL_NONE + j);
+			desc.FrontCounterClockwise = TRUE;	// This is non-default
+			desc.DepthBias = 0;
+			desc.DepthBiasClamp = 0.f;
+			desc.SlopeScaledDepthBias = 0.f;
+			desc.DepthClipEnable = TRUE;
+			desc.ScissorEnable = FALSE;
+			desc.MultisampleEnable = FALSE;
+			desc.AntialiasedLineEnable = FALSE;
+
+			m_device->CreateRasterizerState(&desc, &m_rasterizerState[i][j]);
+		}
+	}
+}
+
+void PointRendererD3D11::draw(const PointDrawParamsD3D* params, ID3D11Buffer* positions, ID3D11Buffer* colors, ID3D11Buffer* indices, int numParticles, int offset)
+{
+	using namespace DirectX;
+
+	ID3D11DeviceContext* deviceContext = m_deviceContext;
+
+	// update constant buffer
+	{
+		D3D11_MAPPED_SUBRESOURCE mappedResource = {};
+		if (SUCCEEDED(deviceContext->Map(m_constantBuffer.Get(), 0u, D3D11_MAP_WRITE_DISCARD, 0, &mappedResource)))
+		{
+			Hlsl::PointShaderConst constBuf;
+			RenderParamsUtilD3D::calcPointConstantBuffer(*params, constBuf);
+			memcpy(mappedResource.pData, &constBuf, sizeof(Hlsl::PointShaderConst));
+			deviceContext->Unmap(m_constantBuffer.Get(), 0u);
+		}
+	}
+
+	deviceContext->VSSetShader(m_pointVs.Get(), nullptr, 0u);
+	deviceContext->GSSetShader(m_pointGs.Get(), nullptr, 0u);
+	deviceContext->PSSetShader(m_pointPs.Get(), nullptr, 0u);
+
+	if (params->shadowMap)
+	{
+		ShadowMapD3D11* shadowMap = (ShadowMapD3D11*)params->shadowMap;
+		if (params->renderStage == POINT_DRAW_SHADOW)
+		{
+			ID3D11ShaderResourceView* srvs[1] = { nullptr };
+			deviceContext->PSSetShaderResources(0, 1, srvs);
+			ID3D11SamplerState* samps[1] = { shadowMap->m_linearSampler.Get() };
+			deviceContext->PSSetSamplers(0, 1, samps);
+			deviceContext->PSSetShader(m_pointShadowPs.Get(), nullptr, 0u);
+		}
+		else
+		{
+			ID3D11ShaderResourceView* srvs[1] = { shadowMap->m_depthSrv.Get() };
+			deviceContext->PSSetShaderResources(0, 1, srvs);
+			ID3D11SamplerState* samps[1] = { shadowMap->m_linearSampler.Get() };
+			deviceContext->PSSetSamplers(0, 1, samps);
+		}
+	}
+
+	deviceContext->IASetInputLayout(m_inputLayout.Get());
+	deviceContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_POINTLIST);
+
+	deviceContext->VSSetConstantBuffers(0, 1, m_constantBuffer.GetAddressOf());
+	deviceContext->GSSetConstantBuffers(0, 1, m_constantBuffer.GetAddressOf());
+	deviceContext->PSSetConstantBuffers(0, 1, m_constantBuffer.GetAddressOf());
+
+	ID3D11Buffer* vertexBuffers[3] = 
+	{
+		positions,
+		colors,	// will be interpreted as density
+		colors,	// will be interpreted as phase
+	};
+
+	unsigned int vertexBufferStrides[3] =
+	{
+		sizeof(float4),
+		sizeof(float),
+		sizeof(int)
+	};
+
+	unsigned int vertexBufferOffsets[3] = { 0 };
+
+	deviceContext->IASetVertexBuffers(0, 3, vertexBuffers, vertexBufferStrides, vertexBufferOffsets);
+	deviceContext->IASetIndexBuffer(indices, DXGI_FORMAT_R32_UINT, 0u);
+
+	float depthSign = DirectX::XMVectorGetW(params->projection.r[2]);
+	if (depthSign < 0.f)
+	{
+		deviceContext->RSSetState(m_rasterizerState[params->renderMode][params->cullMode].Get());
+	}
+	
+	deviceContext->DrawIndexed(numParticles, offset, 0);
+
+	if (depthSign < 0.f)
+	{
+		deviceContext->RSSetState(nullptr);
+	}
+}