ssdfasd
3ad317afb2
- 修复RootSignature参数数量与HelloEarth一致 - 修复StaticMeshComponent中device为nullptr的问题 - 修复CommandList::Reset类型转换问题 - 修复RTV创建使用nullptr而不是rtvDesc - 添加SwapChain的GetCurrentRenderTarget方法 - 修复DepthStencil创建问题(暂时跳过) - 渲染循环基本可运行
89 lines
2.5 KiB
C++
89 lines
2.5 KiB
C++
#include <Rendering\StaticMeshComponent.h>
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#include <RHI\D3D12\D3D12RHI.h>
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#include <RHI\D3D12\D3D12Resources.h>
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#include <cstdio>
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namespace XCEngine {
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namespace RHI {
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StaticMeshComponent::StaticMeshComponent() {
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}
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StaticMeshComponent::~StaticMeshComponent() {
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if (m_vertexBuffer) {
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delete m_vertexBuffer;
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}
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for (auto& pair : m_subMeshes) {
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delete pair.second;
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}
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}
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bool StaticMeshComponent::Initialize(ICommandList* commandList, const char* filePath) {
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D3D12CommandList* d3d12CmdList = static_cast<D3D12CommandList*>(commandList);
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D3D12Device* device = d3d12CmdList->GetDevice();
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FILE* file = nullptr;
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if (fopen_s(&file, filePath, "rb") != 0) {
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return false;
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}
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int vertexCount = 0;
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fread(&vertexCount, 4, 1, file);
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m_vertexCount = vertexCount;
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MeshVertex* vertices = new MeshVertex[vertexCount];
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fread(vertices, sizeof(MeshVertex), vertexCount, file);
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CreateVertexBuffer(device, commandList, vertices, sizeof(MeshVertex) * vertexCount, sizeof(MeshVertex), &m_vertexBuffer);
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delete[] vertices;
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while (!feof(file)) {
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int nameLength = 0;
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fread(&nameLength, 4, 1, file);
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if (feof(file)) break;
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char name[256] = {0};
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fread(name, 1, nameLength, file);
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int indexCount = 0;
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fread(&indexCount, 4, 1, file);
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uint32_t* indices = new uint32_t[indexCount];
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fread(indices, sizeof(uint32_t), indexCount, file);
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IIndexBuffer* indexBuffer = nullptr;
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CreateIndexBuffer(device, commandList, indices, sizeof(uint32_t) * indexCount, &indexBuffer);
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delete[] indices;
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SubMesh* submesh = new SubMesh();
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submesh->indexBuffer = indexBuffer;
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submesh->indexCount = indexCount;
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m_subMeshes[std::string(name)] = submesh;
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}
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fclose(file);
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return true;
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}
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void StaticMeshComponent::Render(ICommandList* commandList) {
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if (!m_vertexBuffer) return;
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commandList->SetVertexBuffer(0, m_vertexBuffer, 0, sizeof(MeshVertex));
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if (m_subMeshes.empty()) {
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commandList->DrawInstanced(m_vertexCount, 1, 0, 0);
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}
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else {
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for (auto& pair : m_subMeshes) {
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SubMesh* submesh = pair.second;
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commandList->SetIndexBuffer(submesh->indexBuffer, 0);
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commandList->DrawIndexedInstanced(submesh->indexCount, 1, 0, 0, 0);
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}
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}
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}
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} // namespace RHI
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} // namespace XCEngine
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