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Support depth-1 volume textures. (#3883)

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This commit is contained in:
Branimir Karadžić
2026-08-12 18:24:25 -07:00
committed by GitHub
parent 0af3dac7bf
commit 3d3b08778e
11 changed files with 59 additions and 32 deletions
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src/renderer_d3d11.cpp
+44 -19
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@@ -4503,11 +4503,13 @@ namespace bgfx { namespace d3d11
}
}
static ID3D11Texture2D* zeroInitTile(DXGI_FORMAT _fmt, uint32_t _tileDim, uint32_t _blockW, uint32_t _blockH, uint32_t _blockSize)
static ID3D11Resource* zeroInitTile(DXGI_FORMAT _fmt, uint32_t _tileDim, uint32_t _blockW, uint32_t _blockH, uint32_t _blockSize, bool _volume)
{
if (IUnknown** cached = s_renderD3D11->m_zeroInitTileCache.find(uint64_t(_fmt) ) )
const uint64_t key = uint64_t(_fmt) | (_volume ? UINT64_C(0x100000000) : 0);
if (IUnknown** cached = s_renderD3D11->m_zeroInitTileCache.find(key) )
{
return static_cast<ID3D11Texture2D*>(*cached);
return static_cast<ID3D11Resource*>(*cached);
}
const uint32_t rowPitch = (_tileDim / _blockW) * _blockSize;
@@ -4515,24 +4517,47 @@ namespace bgfx { namespace d3d11
uint8_t zeros[kTextureZeroInitBudget] = {};
BX_ASSERT(rowPitch * numRows <= sizeof(zeros), "Zero-init tile exceeds budget.");
D3D11_TEXTURE2D_DESC desc;
bx::memSet(&desc, 0, sizeof(desc) );
desc.Width = _tileDim;
desc.Height = _tileDim;
desc.MipLevels = 1;
desc.ArraySize = 1;
desc.Format = _fmt;
desc.SampleDesc.Count = 1;
desc.Usage = D3D11_USAGE_DEFAULT;
desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
D3D11_SUBRESOURCE_DATA srd = { zeros, rowPitch, 0 };
D3D11_SUBRESOURCE_DATA srd = { zeros, rowPitch, rowPitch * numRows };
ID3D11Texture2D* tile = NULL;
s_renderD3D11->m_device->CreateTexture2D(&desc, &srd, &tile);
ID3D11Resource* tile = NULL;
if (_volume)
{
D3D11_TEXTURE3D_DESC desc;
bx::memSet(&desc, 0, sizeof(desc) );
desc.Width = _tileDim;
desc.Height = _tileDim;
desc.Depth = 1;
desc.MipLevels = 1;
desc.Format = _fmt;
desc.Usage = D3D11_USAGE_DEFAULT;
desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
ID3D11Texture3D* volumeTile = NULL;
s_renderD3D11->m_device->CreateTexture3D(&desc, &srd, &volumeTile);
tile = volumeTile;
}
else
{
D3D11_TEXTURE2D_DESC desc;
bx::memSet(&desc, 0, sizeof(desc) );
desc.Width = _tileDim;
desc.Height = _tileDim;
desc.MipLevels = 1;
desc.ArraySize = 1;
desc.Format = _fmt;
desc.SampleDesc.Count = 1;
desc.Usage = D3D11_USAGE_DEFAULT;
desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
ID3D11Texture2D* planeTile = NULL;
s_renderD3D11->m_device->CreateTexture2D(&desc, &srd, &planeTile);
tile = planeTile;
}
if (NULL != tile)
{
s_renderD3D11->m_zeroInitTileCache.add(uint64_t(_fmt), tile, 0);
s_renderD3D11->m_zeroInitTileCache.add(key, tile, 0);
}
return tile;
@@ -4600,7 +4625,7 @@ namespace bgfx { namespace d3d11
const uint32_t blockSize = bi.blockSize;
const uint32_t tileDim = textureZeroInitTileDim(bimg::getBitsPerPixel(tf) );
ID3D11Texture2D* tile = zeroInitTile(fmt, tileDim, blockW, blockH, blockSize);
ID3D11Resource* tile = zeroInitTile(fmt, tileDim, blockW, blockH, blockSize, is3D);
if (NULL == tile)
{
return;
@@ -4673,7 +4698,7 @@ namespace bgfx { namespace d3d11
{
m_type = TextureCube;
}
else if (imageContainer.m_depth > 1)
else if (isVolume(imageContainer) )
{
m_type = Texture3D;
}