turanszkij
105 lines
3.1 KiB
C++
105 lines
3.1 KiB
C++
#include "wiDepthTarget.h"
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#include "wiRenderer.h"
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using namespace wiGraphicsTypes;
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wiDepthTarget::wiDepthTarget()
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{
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texture = nullptr;
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texture_resolvedMSAA = nullptr;
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resolvedMSAAUptodate = false;
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}
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wiDepthTarget::~wiDepthTarget()
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{
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SAFE_DELETE(texture);
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SAFE_DELETE(texture_resolvedMSAA);
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}
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void wiDepthTarget::Initialize(int width, int height, UINT MSAAC)
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{
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SAFE_DELETE(texture);
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SAFE_DELETE(texture_resolvedMSAA);
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resolvedMSAAUptodate = false;
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Texture2DDesc depthDesc;
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ZeroMemory(&depthDesc, sizeof(depthDesc));
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// Set up the description of the depth buffer.
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depthDesc.Width = width;
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depthDesc.Height = height;
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depthDesc.MipLevels = 1;
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depthDesc.ArraySize = 1;
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//depthDesc.Format = FORMAT_R24G8_TYPELESS;
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depthDesc.Format = FORMAT_R32G8X24_TYPELESS; // better utilization of hardware
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depthDesc.SampleDesc.Count = MSAAC;
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// depthDesc.SampleDesc.Quality = 0; // auto-filll in device
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depthDesc.Usage = USAGE_DEFAULT;
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depthDesc.BindFlags = BIND_DEPTH_STENCIL | BIND_SHADER_RESOURCE;
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depthDesc.CPUAccessFlags = 0;
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depthDesc.MiscFlags = 0;
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wiRenderer::GetDevice()->CreateTexture2D(&depthDesc, nullptr, &texture);
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if (MSAAC > 1)
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{
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depthDesc.SampleDesc.Count = 1;
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depthDesc.Format = FORMAT_R32_FLOAT;
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depthDesc.BindFlags = BIND_SHADER_RESOURCE | BIND_UNORDERED_ACCESS;
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wiRenderer::GetDevice()->CreateTexture2D(&depthDesc, nullptr, &texture_resolvedMSAA);
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}
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}
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void wiDepthTarget::InitializeCube(int size, bool independentFaces)
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{
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SAFE_DELETE(texture);
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SAFE_DELETE(texture_resolvedMSAA);
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resolvedMSAAUptodate = false;
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Texture2DDesc depthGPUBufferDesc;
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ZeroMemory(&depthGPUBufferDesc, sizeof(depthGPUBufferDesc));
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// Set up the description of the depth buffer.
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depthGPUBufferDesc.Width = size;
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depthGPUBufferDesc.Height = size;
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depthGPUBufferDesc.MipLevels = 1;
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depthGPUBufferDesc.ArraySize = 6;
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depthGPUBufferDesc.Format = FORMAT_R16_TYPELESS;
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depthGPUBufferDesc.SampleDesc.Count = 1;
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depthGPUBufferDesc.SampleDesc.Quality = 0;
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depthGPUBufferDesc.Usage = USAGE_DEFAULT;
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depthGPUBufferDesc.BindFlags = BIND_DEPTH_STENCIL | BIND_SHADER_RESOURCE;
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depthGPUBufferDesc.CPUAccessFlags = 0;
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depthGPUBufferDesc.MiscFlags = RESOURCE_MISC_TEXTURECUBE;
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texture = new Texture2D;
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texture->RequestIndepententRenderTargetCubemapFaces(independentFaces);
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wiRenderer::GetDevice()->CreateTexture2D(&depthGPUBufferDesc, nullptr, &texture);
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}
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void wiDepthTarget::Clear(GRAPHICSTHREAD threadID)
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{
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float depthClear = GetDesc().MiscFlags & RESOURCE_MISC_TEXTURECUBE ? 1.0f : 0.0f;
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wiRenderer::GetDevice()->ClearDepthStencil(GetTexture(), CLEAR_DEPTH | CLEAR_STENCIL, depthClear, 0, threadID);
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resolvedMSAAUptodate = false;
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}
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void wiDepthTarget::CopyFrom(const wiDepthTarget& from, GRAPHICSTHREAD threadID)
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{
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wiRenderer::GetDevice()->CopyTexture2D(GetTexture(), from.GetTexture(), threadID);
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resolvedMSAAUptodate = false;
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}
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Texture2D* wiDepthTarget::GetTextureResolvedMSAA(GRAPHICSTHREAD threadID)
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{
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if (texture_resolvedMSAA != nullptr)
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{
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if (!resolvedMSAAUptodate)
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{
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wiRenderer::ResolveMSAADepthBuffer(texture_resolvedMSAA, texture, threadID);
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resolvedMSAAUptodate = true;
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}
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return texture_resolvedMSAA;
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}
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return texture;
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}
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