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Backends: DX11: create sampler outside of ImGui_ImplDX11_CreateFontsTexture().

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ocornut 2024-10-11 17:45:28 +02:00 committed by ocornut
parent 96877eb9c3
commit 90dd510df1
1 changed files with 26 additions and 14 deletions
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40
backends/imgui_impl_dx11.cpp
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@ -364,21 +364,16 @@ static void ImGui_ImplDX11_CreateFontsTexture()
// Store our identifier
io.Fonts->SetTexID((ImTextureID)bd->pFontTextureView);
}
// Create texture sampler
// (Bilinear sampling is required by default. Set 'io.Fonts->Flags |= ImFontAtlasFlags_NoBakedLines' or 'style.AntiAliasedLinesUseTex = false' to allow point/nearest sampling)
static void ImGui_ImplDX11_DestroyFontsTexture()
{
ImGui_ImplDX11_Data* bd = ImGui_ImplDX11_GetBackendData();
if (bd->pFontTextureView)
{
D3D11_SAMPLER_DESC desc;
ZeroMemory(&desc, sizeof(desc));
desc.Filter = D3D11_FILTER_MIN_MAG_MIP_LINEAR;
desc.AddressU = D3D11_TEXTURE_ADDRESS_CLAMP;
desc.AddressV = D3D11_TEXTURE_ADDRESS_CLAMP;
desc.AddressW = D3D11_TEXTURE_ADDRESS_CLAMP;
desc.MipLODBias = 0.f;
desc.ComparisonFunc = D3D11_COMPARISON_ALWAYS;
desc.MinLOD = 0.f;
desc.MaxLOD = 0.f;
bd->pd3dDevice->CreateSamplerState(&desc, &bd->pFontSampler);
bd->pFontTextureView->Release();
bd->pFontTextureView = nullptr;
ImGui::GetIO().Fonts->SetTexID(0); // We copied data->pFontTextureView to io.Fonts->TexID so let's clear that as well.
}
}
@ -531,6 +526,22 @@ bool ImGui_ImplDX11_CreateDeviceObjects()
bd->pd3dDevice->CreateDepthStencilState(&desc, &bd->pDepthStencilState);
}
// Create texture sampler
// (Bilinear sampling is required by default. Set 'io.Fonts->Flags |= ImFontAtlasFlags_NoBakedLines' or 'style.AntiAliasedLinesUseTex = false' to allow point/nearest sampling)
{
D3D11_SAMPLER_DESC desc;
ZeroMemory(&desc, sizeof(desc));
desc.Filter = D3D11_FILTER_MIN_MAG_MIP_LINEAR;
desc.AddressU = D3D11_TEXTURE_ADDRESS_CLAMP;
desc.AddressV = D3D11_TEXTURE_ADDRESS_CLAMP;
desc.AddressW = D3D11_TEXTURE_ADDRESS_CLAMP;
desc.MipLODBias = 0.f;
desc.ComparisonFunc = D3D11_COMPARISON_ALWAYS;
desc.MinLOD = 0.f;
desc.MaxLOD = 0.f;
bd->pd3dDevice->CreateSamplerState(&desc, &bd->pFontSampler);
}
ImGui_ImplDX11_CreateFontsTexture();
return true;
@ -542,8 +553,9 @@ void ImGui_ImplDX11_InvalidateDeviceObjects()
if (!bd->pd3dDevice)
return;
ImGui_ImplDX11_DestroyFontsTexture();
if (bd->pFontSampler) { bd->pFontSampler->Release(); bd->pFontSampler = nullptr; }
if (bd->pFontTextureView) { bd->pFontTextureView->Release(); bd->pFontTextureView = nullptr; ImGui::GetIO().Fonts->SetTexID(0); } // We copied data->pFontTextureView to io.Fonts->TexID so let's clear that as well.
if (bd->pIB) { bd->pIB->Release(); bd->pIB = nullptr; }
if (bd->pVB) { bd->pVB->Release(); bd->pVB = nullptr; }
if (bd->pBlendState) { bd->pBlendState->Release(); bd->pBlendState = nullptr; }