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DX11: Use D3DX11FilterTexture instead of ID3D11Context::GenerateMips.

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Test if performance changed in any games by this change, please.


git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5731 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
NeoBrainX
2010-06-17 12:09:56 +00:00
parent 91d540ad67
commit e266347160
3 changed files with 7 additions and 12 deletions
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9
Source/Plugins/Plugin_VideoDX11/Src/TextureCache.cpp
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@ -269,18 +269,13 @@ TextureCache::TCacheEntry* TextureCache::Load(unsigned int stage, u32 address, u
ID3D11Texture2D* pTexture = NULL;
HRESULT hr;
// possible optimization: Manually create the mipmaps, so that we don't need to bind the texture as render target
// if we automatically generate the mipmaps we need to bind the texture as rendertarget as well
D3D11_BIND_FLAG bindflags = D3D11_BIND_SHADER_RESOURCE;
if (TexLevels == 0) bindflags = (D3D11_BIND_FLAG)(bindflags | D3D11_BIND_RENDER_TARGET);
D3D11_TEXTURE2D_DESC texdesc = CD3D11_TEXTURE2D_DESC(d3d_fmt, width, height, 1, TexLevels, bindflags, usage, 0, 1, 0, (TexLevels==0)?D3D11_RESOURCE_MISC_GENERATE_MIPS:0);
D3D11_TEXTURE2D_DESC texdesc = CD3D11_TEXTURE2D_DESC(d3d_fmt, width, height, 1, TexLevels, D3D11_BIND_SHADER_RESOURCE, usage);
hr = D3D::device->CreateTexture2D(&texdesc, NULL, &pTexture);
if (FAILED(hr))
{
PanicAlert("Failed to create texture at %s %d\n", __FILE__, __LINE__);
return NULL;
}
// we only need the shader resource view
entry.texture = new D3DTexture2D(pTexture, D3D11_BIND_SHADER_RESOURCE);
D3D::SetDebugObjectName((ID3D11DeviceChild*)entry.texture->GetTex(), "a (static) texture of the TextureCache");
D3D::SetDebugObjectName((ID3D11DeviceChild*)entry.texture->GetSRV(), "shader resource view of a (static) texture of the TextureCache");
@ -293,7 +288,7 @@ TextureCache::TCacheEntry* TextureCache::Load(unsigned int stage, u32 address, u
{
D3D::ReplaceTexture2D(entry.texture->GetTex(), temp, width, height, expandedWidth, d3d_fmt, pcfmt, 0, usage);
}
if (TexLevels == 0 && usage == D3D11_USAGE_DEFAULT) D3D::context->GenerateMips(entry.texture->GetSRV());
if (TexLevels == 0 && usage == D3D11_USAGE_DEFAULT) D3DX11FilterTexture(D3D::context, entry.texture->GetTex(), 0, D3DX11_DEFAULT);
else if (TexLevels > 1 && pcfmt != PC_TEX_FMT_NONE)
{
unsigned int level = 1;