52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
#include "ShadowMapBuffer.h"
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ShadowMapBuffer::ShadowMapBuffer(ID3D11Device *device, UINT width, UINT height)
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: m_device(device), m_width(width), m_height(height), m_shaderResourceView(nullptr),
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m_depthBuffer(device, width, height), m_samplerState(device) {
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}
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ShadowMapBuffer::~ShadowMapBuffer() {
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if (m_shaderResourceView) m_shaderResourceView->Release();
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}
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bool ShadowMapBuffer::Initialize() {
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if (!m_depthBuffer.Initialize()) {
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return false;
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}
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if (!m_samplerState.Initialize()) {
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return false;
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}
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// Create ShaderResourceView for the depth buffer
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D3D11_SHADER_RESOURCE_VIEW_DESC srvDesc = {};
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srvDesc.Format = DXGI_FORMAT_R32_FLOAT; // Shader-readable format
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srvDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
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srvDesc.Texture2D.MipLevels = 1;
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srvDesc.Texture2D.MostDetailedMip = 0;
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HRESULT hr = m_device->CreateShaderResourceView(m_depthBuffer.GetDepthBuffer(), &srvDesc, &m_shaderResourceView);
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if (FAILED(hr))
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{
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OutputDebugStringA("Failed to create ShaderResourceView for ShadowMapBuffer.\n");
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return false;
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}
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return true;
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}
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void ShadowMapBuffer::SetRenderTarget(ID3D11DeviceContext *deviceContext) {
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deviceContext->OMSetRenderTargets(0, nullptr, m_depthBuffer.GetDepthStencilView());
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}
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void ShadowMapBuffer::ResetRenderTarget(ID3D11DeviceContext *deviceContext) {
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ID3D11RenderTargetView *nullRTV = nullptr;
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deviceContext->OMSetRenderTargets(1, &nullRTV, nullptr);
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}
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ID3D11DepthStencilView *ShadowMapBuffer::GetDepthStencilView() {
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return m_depthBuffer.GetDepthStencilView();
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}
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