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Backends: WebGPU: moved sampler creation out of ImGui_ImplWGPU_CreateFontsTexture().

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ocornut
2025-06-12 14:55:46 +02:00
parent 115a8e74c2
commit b178fd4286
1 changed files with 12 additions and 15 deletions
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27
backends/imgui_impl_wgpu.cpp
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@@ -597,20 +597,6 @@ static void ImGui_ImplWGPU_CreateFontsTexture()
wgpuQueueWriteTexture(bd->defaultQueue, &dst_view, pixels, (uint32_t)(width * size_pp * height), &layout, &size); wgpuQueueWriteTexture(bd->defaultQueue, &dst_view, pixels, (uint32_t)(width * size_pp * height), &layout, &size);
} }
// Create the associated sampler
// (Bilinear sampling is required by default. Set 'io.Fonts->Flags |= ImFontAtlasFlags_NoBakedLines' or 'style.AntiAliasedLinesUseTex = false' to allow point/nearest sampling)
{
WGPUSamplerDescriptor sampler_desc = {};
sampler_desc.minFilter = WGPUFilterMode_Linear;
sampler_desc.magFilter = WGPUFilterMode_Linear;
sampler_desc.mipmapFilter = WGPUMipmapFilterMode_Linear;
sampler_desc.addressModeU = WGPUAddressMode_ClampToEdge;
sampler_desc.addressModeV = WGPUAddressMode_ClampToEdge;
sampler_desc.addressModeW = WGPUAddressMode_ClampToEdge;
sampler_desc.maxAnisotropy = 1;
bd->renderResources.Sampler = wgpuDeviceCreateSampler(bd->wgpuDevice, &sampler_desc);
}
// Store our identifier // Store our identifier
static_assert(sizeof(ImTextureID) >= sizeof(bd->renderResources.FontTexture), "Can't pack descriptor handle into TexID, 32-bit not supported yet."); static_assert(sizeof(ImTextureID) >= sizeof(bd->renderResources.FontTexture), "Can't pack descriptor handle into TexID, 32-bit not supported yet.");
io.Fonts->SetTexID((ImTextureID)bd->renderResources.FontTextureView); io.Fonts->SetTexID((ImTextureID)bd->renderResources.FontTextureView);
@@ -760,13 +746,24 @@ bool ImGui_ImplWGPU_CreateDeviceObjects()
ImGui_ImplWGPU_CreateFontsTexture(); ImGui_ImplWGPU_CreateFontsTexture();
ImGui_ImplWGPU_CreateUniformBuffer(); ImGui_ImplWGPU_CreateUniformBuffer();
// Create sampler
// (Bilinear sampling is required by default. Set 'io.Fonts->Flags |= ImFontAtlasFlags_NoBakedLines' or 'style.AntiAliasedLinesUseTex = false' to allow point/nearest sampling)
WGPUSamplerDescriptor sampler_desc = {};
sampler_desc.minFilter = WGPUFilterMode_Linear;
sampler_desc.magFilter = WGPUFilterMode_Linear;
sampler_desc.mipmapFilter = WGPUMipmapFilterMode_Linear;
sampler_desc.addressModeU = WGPUAddressMode_ClampToEdge;
sampler_desc.addressModeV = WGPUAddressMode_ClampToEdge;
sampler_desc.addressModeW = WGPUAddressMode_ClampToEdge;
sampler_desc.maxAnisotropy = 1;
bd->renderResources.Sampler = wgpuDeviceCreateSampler(bd->wgpuDevice, &sampler_desc);
// Create resource bind group // Create resource bind group
WGPUBindGroupEntry common_bg_entries[] = WGPUBindGroupEntry common_bg_entries[] =
{ {
{ nullptr, 0, bd->renderResources.Uniforms, 0, MEMALIGN(sizeof(Uniforms), 16), 0, 0 }, { nullptr, 0, bd->renderResources.Uniforms, 0, MEMALIGN(sizeof(Uniforms), 16), 0, 0 },
{ nullptr, 1, 0, 0, 0, bd->renderResources.Sampler, 0 }, { nullptr, 1, 0, 0, 0, bd->renderResources.Sampler, 0 },
}; };
WGPUBindGroupDescriptor common_bg_descriptor = {}; WGPUBindGroupDescriptor common_bg_descriptor = {};
common_bg_descriptor.layout = bg_layouts[0]; common_bg_descriptor.layout = bg_layouts[0];
common_bg_descriptor.entryCount = sizeof(common_bg_entries) / sizeof(WGPUBindGroupEntry); common_bg_descriptor.entryCount = sizeof(common_bg_entries) / sizeof(WGPUBindGroupEntry);