Updating to [email protected] and [email protected] with a new directory structure.

NvBlast folder is gone, files have been moved to top level directory.  README is changed to reflect this.

1 files changed, 217 insertions, 0 deletions

diff --git a/samples/SampleBase/renderer/SkinnedRenderMesh.cpp b/samples/SampleBase/renderer/SkinnedRenderMesh.cpp
new file mode 100644
index 0000000..c575d6c
--- /dev/null
+++ b/samples/SampleBase/renderer/SkinnedRenderMesh.cpp
@@ -0,0 +1,217 @@
+/*
+* Copyright (c) 2008-2015, 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.
+*/
+
+
+#include "SkinnedRenderMesh.h"
+#include "Renderer.h"
+
+SkinnedRenderMesh::SkinnedRenderMesh(const std::vector<const SimpleMesh*>& meshes)
+{
+	PX_ASSERT_WITH_MESSAGE(meshes.size() <= MeshesCountMax, "meshes.size() have to be <= SkinnedRenderMesh::MeshesCountMax");
+
+	m_device = GetDeviceManager()->GetDevice();
+
+	// input element desc setup
+	m_inputDesc.push_back({ "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 });
+	m_inputDesc.push_back({ "NORMAL", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 12, D3D11_INPUT_PER_VERTEX_DATA, 0 });
+	m_inputDesc.push_back({ "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 24, D3D11_INPUT_PER_VERTEX_DATA, 0 });
+	m_inputDesc.push_back({ "TEXCOORD", 1, DXGI_FORMAT_R32_UINT, 1, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 });
+
+	// reserve VB
+	uint32_t verticesTotal = 0;
+	std::for_each(meshes.begin(), meshes.end(), [&](const SimpleMesh* c) { verticesTotal += (uint32_t)c->vertices.size(); });
+	std::vector<SimpleMesh::Vertex> vertexBuffer;
+	vertexBuffer.reserve(verticesTotal);
+
+	// reserve IB 
+	uint32_t indicesTotal = 0;
+	std::for_each(meshes.begin(), meshes.end(), [&](const SimpleMesh* c) { indicesTotal += (uint32_t)c->indices.size(); });
+	m_indices.reserve(indicesTotal);
+
+	// fill VB, IB, MeshInfo
+	m_meshesInfo.resize(meshes.size());
+	for (uint32_t meshIndex = 0; meshIndex < meshes.size(); ++meshIndex)
+	{
+		const SimpleMesh* mesh = meshes[meshIndex];
+		MeshInfo& meshInfo = m_meshesInfo[meshIndex];
+
+		meshInfo.firstVertex = (uint32_t)vertexBuffer.size();
+		vertexBuffer.insert(vertexBuffer.end(), mesh->vertices.begin(), mesh->vertices.end());
+		meshInfo.verticesCount = (uint32_t)mesh->vertices.size();
+
+		meshInfo.firstIndex = (uint32_t)m_indices.size();
+		uint32_t indexOffset = meshInfo.firstVertex;
+		for (uint32_t index : mesh->indices)
+		{
+			m_indices.push_back((uint32_t)index + indexOffset);
+		}
+		meshInfo.indicesCount = (uint32_t)mesh->indices.size();
+	}
+
+	// vertex buffer
+	{
+		D3D11_SUBRESOURCE_DATA vertexBufferData;
+
+		ZeroMemory(&vertexBufferData, sizeof(vertexBufferData));
+		vertexBufferData.pSysMem = vertexBuffer.data();
+
+		D3D11_BUFFER_DESC bufferDesc;
+
+		memset(&bufferDesc, 0, sizeof(D3D11_BUFFER_DESC));
+		bufferDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
+		bufferDesc.ByteWidth = (uint32_t)(sizeof(SimpleMesh::Vertex) * vertexBuffer.size());
+		bufferDesc.CPUAccessFlags = 0;
+		bufferDesc.MiscFlags = 0;
+		bufferDesc.Usage = D3D11_USAGE_IMMUTABLE;
+
+		V(m_device->CreateBuffer(&bufferDesc, &vertexBufferData, &m_vertexBuffer));
+	}
+
+	// bone index buffer
+	{
+		D3D11_BUFFER_DESC bufferDesc;
+
+		memset(&bufferDesc, 0, sizeof(D3D11_BUFFER_DESC));
+		bufferDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
+		bufferDesc.ByteWidth = (uint32_t)(sizeof(uint32_t) * vertexBuffer.size());
+		bufferDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
+		bufferDesc.MiscFlags = 0;
+		bufferDesc.Usage = D3D11_USAGE_DYNAMIC;
+
+		V(m_device->CreateBuffer(&bufferDesc, nullptr, &m_boneIndexBuffer));
+	}
+
+	// index buffer
+	{
+		D3D11_BUFFER_DESC bufferDesc;
+
+		memset(&bufferDesc, 0, sizeof(D3D11_BUFFER_DESC));
+		bufferDesc.BindFlags = D3D11_BIND_INDEX_BUFFER;
+		bufferDesc.ByteWidth = (uint32_t)(sizeof(uint32_t) * m_indices.size());
+		bufferDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
+		bufferDesc.MiscFlags = 0;
+		bufferDesc.Usage = D3D11_USAGE_DYNAMIC;
+
+		V(m_device->CreateBuffer(&bufferDesc, nullptr, &m_indexBuffer));
+	}
+
+	// bone texture
+	{
+		D3D11_TEXTURE2D_DESC desc;
+		ZeroMemory(&desc, sizeof(desc));
+		desc.Width = 4;
+		desc.Height = (uint32_t)meshes.size();
+		desc.MipLevels = 1;
+		desc.ArraySize = 1;
+		desc.Format = DXGI_FORMAT_R32G32B32A32_FLOAT;
+		desc.SampleDesc.Count = 1;
+		desc.SampleDesc.Quality = 0;
+		desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
+		desc.Usage = D3D11_USAGE_DYNAMIC;
+		desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
+
+		V(m_device->CreateTexture2D(&desc, nullptr, &m_boneTexture));
+	}
+
+	// bone texture SRV
+	{
+		D3D11_SHADER_RESOURCE_VIEW_DESC desc;
+		ZeroMemory(&desc, sizeof(desc));
+		desc.Format = DXGI_FORMAT_R32G32B32A32_FLOAT;
+		desc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
+		desc.Texture2D.MipLevels = 1;
+		desc.Texture2D.MostDetailedMip = 0;
+		V(m_device->CreateShaderResourceView(m_boneTexture, &desc, &m_boneTextureSRV));
+	}
+}
+
+SkinnedRenderMesh::~SkinnedRenderMesh()
+{
+	SAFE_RELEASE(m_vertexBuffer);
+	SAFE_RELEASE(m_boneIndexBuffer);
+	SAFE_RELEASE(m_indexBuffer);
+	SAFE_RELEASE(m_boneTexture);
+	SAFE_RELEASE(m_boneTextureSRV);
+}
+
+void SkinnedRenderMesh::updateVisibleMeshes(const std::vector<uint32_t>& visibleMeshes)
+{
+	ID3D11DeviceContext* context;
+	m_device->GetImmediateContext(&context);
+
+	// update bone index buffer
+	{
+		D3D11_MAPPED_SUBRESOURCE mappedRead;
+		V(context->Map(m_boneIndexBuffer, 0, D3D11_MAP_WRITE_DISCARD, NULL, &mappedRead));
+
+		uint32_t* boneIndexBuffer = (uint32_t*)mappedRead.pData;
+		for (uint32_t i = 0; i < visibleMeshes.size(); ++i)
+		{
+			const MeshInfo& info = m_meshesInfo[visibleMeshes[i]];
+			for (uint32_t v = info.firstVertex; v < info.firstVertex + info.verticesCount; ++v)
+			{
+				boneIndexBuffer[v] = i;
+			}
+		}
+
+		context->Unmap(m_boneIndexBuffer, 0);
+	}
+
+	// update index buffer
+	{
+		D3D11_MAPPED_SUBRESOURCE mappedRead;
+		V(context->Map(m_indexBuffer, 0, D3D11_MAP_WRITE_DISCARD, NULL, &mappedRead));
+
+		uint32_t* indexBuffer = (uint32_t*)mappedRead.pData;
+		uint32_t indexCount = 0;
+		for (uint32_t meshIndex : visibleMeshes)
+		{
+			const MeshInfo& info = m_meshesInfo[meshIndex];
+			memcpy(indexBuffer + indexCount, &m_indices[info.firstIndex], info.indicesCount * sizeof(uint32_t));
+			indexCount += info.indicesCount;
+		}
+		context->Unmap(m_indexBuffer, 0);
+		m_indexCount = indexCount;
+		PX_ASSERT(m_indexCount % 3 == 0);
+	}
+}
+
+void SkinnedRenderMesh::updateVisibleMeshTransforms(std::vector<PxMat44>& transforms)
+{
+	ID3D11DeviceContext* context;
+	m_device->GetImmediateContext(&context);
+
+	// update bone transform texture
+	{
+		D3D11_MAPPED_SUBRESOURCE mappedRead;
+		V(context->Map(m_boneTexture, 0, D3D11_MAP_WRITE_DISCARD, NULL, &mappedRead));
+		for (uint32_t i = 0; i < transforms.size(); ++i)
+		{
+			std::memcpy((uint8_t*)mappedRead.pData + i * mappedRead.RowPitch, &transforms[i], sizeof(PxMat44));
+		}
+		context->Unmap(m_boneTexture, 0);
+	}
+}
+
+void SkinnedRenderMesh::render(ID3D11DeviceContext& context) const
+{
+	context.IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
+
+	UINT strides[2] = { sizeof(SimpleMesh::Vertex), sizeof(uint32_t) };
+	UINT offsets[2] = { 0 };
+	ID3D11Buffer* buffers[2] = { m_vertexBuffer, m_boneIndexBuffer };
+	context.IASetVertexBuffers(0, 2, buffers, strides, offsets);
+
+	context.IASetIndexBuffer(m_indexBuffer, DXGI_FORMAT_R32_UINT, 0);
+
+	context.VSSetShaderResources(1, 1, &m_boneTextureSRV);
+
+	context.DrawIndexed(m_indexCount, 0, 0);
+}
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