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allocating enough zone memory for 4K videos

This commit is contained in:
myT 2024-01-22 03:22:38 +01:00
parent 68c28996e1
commit 3c25554bde
3 changed files with 24 additions and 13 deletions
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2
changelog.txt
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@ -100,6 +100,8 @@ add: Cinematic Rendering Pipeline CVars
1 - 1/4 pixel count, 9 samples total
2 - 1/16 pixel count, 25 samples total
fix: allocating enough memory for 4K screenshots and video captures
fix: the new demo player now drops zombie snapshots and snapshots from before a server time rewind
these problematic snapshots happen right before and after gamestate changes

3
code/qcommon/common.cpp
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@ -52,11 +52,12 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#define MIN_COMHUNKMEGS_DED 8 // for the dedicated server
#define MIN_COMHUNKMEGS 56
#define CST_COMZONEMEGS 32
#ifdef DEDICATED
#define CST_COMZONEMEGS 32
#define DEF_COMHUNKMEGS 64
#define CST_SMALLZONEMEGS 1
#else
#define CST_COMZONEMEGS 96
#define DEF_COMHUNKMEGS 128
#define CST_SMALLZONEMEGS 4
#endif

32
code/renderer/rhi_d3d12.cpp
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@ -874,16 +874,28 @@ namespace RHI
return heap;
}
static UINT GetTextureByteCount(ID3D12Resource* texture)
static uint32_t GetReadbackTextureByteCount()
{
const D3D12_RESOURCE_DESC textureDesc = texture->GetDesc();
// we base the resolution on the render targets, not the swap chain images
// this allows us to e.g. capture videos at 4K while displaying a 720p window
D3D12_RESOURCE_DESC textureDesc = {};
textureDesc.Dimension = D3D12_RESOURCE_DIMENSION_TEXTURE2D;
textureDesc.Alignment = D3D12_DEFAULT_RESOURCE_PLACEMENT_ALIGNMENT;
textureDesc.Width = glConfig.vidWidth;
textureDesc.Height = glConfig.vidHeight;
textureDesc.DepthOrArraySize = 1;
textureDesc.MipLevels = 1;
textureDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
textureDesc.SampleDesc.Count = 1;
textureDesc.SampleDesc.Quality = 0;
textureDesc.Layout = D3D12_TEXTURE_LAYOUT_UNKNOWN;
textureDesc.Flags = D3D12_RESOURCE_FLAG_ALLOW_RENDER_TARGET;
D3D12_PLACED_SUBRESOURCE_FOOTPRINT layout;
rhi.device->GetCopyableFootprints(&textureDesc, 0, 1, 0, &layout, NULL, NULL, NULL);
Q_assert(layout.Footprint.Format == DXGI_FORMAT_R8G8B8A8_UNORM);
Q_assert((UINT64)layout.Footprint.Width == textureDesc.Width);
Q_assert(layout.Footprint.Height == textureDesc.Height);
const uint32_t byteCount = (uint32_t)(layout.Footprint.RowPitch * layout.Footprint.Height);
return layout.Footprint.RowPitch * layout.Footprint.Height;
return byteCount;
}
void Fence::Create(UINT64 value, const char* name)
@ -1170,9 +1182,7 @@ namespace RHI
SetDebugName(readbackCommandList, "readback", D3DResourceType::CommandList);
D3D(readbackCommandList->Close());
Texture& texture = rhi.textures.Get(GetSwapChainTexture());
Q_assert(texture.desc.format == TextureFormat::RGBA32_UNorm);
const uint32_t byteCount = GetTextureByteCount(texture.texture);
const uint32_t byteCount = GetReadbackTextureByteCount();
BufferDesc desc("readback", byteCount, ResourceStates::CopyDestinationBit);
desc.memoryUsage = MemoryUsage::Readback;
readbackBuffer = CreateBuffer(desc);
@ -1190,9 +1200,7 @@ namespace RHI
void ReadbackManager::ResizeIfNeeded()
{
Texture& texture = rhi.textures.Get(GetSwapChainTexture());
Q_assert(texture.desc.format == TextureFormat::RGBA32_UNorm);
const UINT byteCount = GetTextureByteCount(texture.texture);
const uint32_t byteCount = GetReadbackTextureByteCount();
if(byteCount <= bufferByteCount)
{
return;