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Backends: WebGU: Revert the implicit render pipeline layout generation as introduced in 83bdfef (#6117, #4116, #3632)

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The feature was removed from WebGPU (https://github.com/gpuweb/gpuweb/issues/2470)
This commit is contained in:
Basil Fierz 2023-01-25 21:45:03 +01:00 committed by ocornut
parent fc50532213
commit d73e3285de
2 changed files with 35 additions and 5 deletions
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38
backends/imgui_impl_wgpu.cpp
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@ -13,6 +13,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2023-01-25: Revert automatic pipeline layout generation (see https://github.com/gpuweb/gpuweb/issues/2470)
// 2022-11-24: Fixed validation error with default depth buffer settings.
// 2022-11-10: Fixed rendering when a depth buffer is enabled. Added 'WGPUTextureFormat depth_format' parameter to ImGui_ImplWGPU_Init().
// 2022-10-11: Using 'nullptr' instead of 'NULL' as per our switch to C++11.
@ -554,7 +555,38 @@ bool ImGui_ImplWGPU_CreateDeviceObjects()
graphics_pipeline_desc.multisample.count = 1;
graphics_pipeline_desc.multisample.mask = UINT_MAX;
graphics_pipeline_desc.multisample.alphaToCoverageEnabled = false;
graphics_pipeline_desc.layout = nullptr; // Use automatic layout generation
// Bind group layouts
WGPUBindGroupLayoutEntry common_bg_layout_entries[2] = {};
common_bg_layout_entries[0].binding = 0;
common_bg_layout_entries[0].visibility = WGPUShaderStage_Vertex;
common_bg_layout_entries[0].buffer.type = WGPUBufferBindingType_Uniform;
common_bg_layout_entries[1].binding = 1;
common_bg_layout_entries[1].visibility = WGPUShaderStage_Fragment;
common_bg_layout_entries[1].sampler.type = WGPUSamplerBindingType_Filtering;
WGPUBindGroupLayoutEntry image_bg_layout_entries[1] = {};
image_bg_layout_entries[0].binding = 0;
image_bg_layout_entries[0].visibility = WGPUShaderStage_Fragment;
image_bg_layout_entries[0].texture.sampleType = WGPUTextureSampleType_Float;
image_bg_layout_entries[0].texture.viewDimension = WGPUTextureViewDimension_2D;
WGPUBindGroupLayoutDescriptor common_bg_layout_desc = {};
common_bg_layout_desc.entryCount = 2;
common_bg_layout_desc.entries = common_bg_layout_entries;
WGPUBindGroupLayoutDescriptor image_bg_layout_desc = {};
image_bg_layout_desc.entryCount = 1;
image_bg_layout_desc.entries = image_bg_layout_entries;
WGPUBindGroupLayout bg_layouts[2];
bg_layouts[0] = wgpuDeviceCreateBindGroupLayout(g_wgpuDevice, &common_bg_layout_desc);
bg_layouts[1] = wgpuDeviceCreateBindGroupLayout(g_wgpuDevice, &image_bg_layout_desc);
WGPUPipelineLayoutDescriptor layout_desc = {};
layout_desc.bindGroupLayoutCount = 2;
layout_desc.bindGroupLayouts = bg_layouts;
graphics_pipeline_desc.layout = wgpuDeviceCreatePipelineLayout(g_wgpuDevice, &layout_desc);
// Create the vertex shader
WGPUProgrammableStageDescriptor vertex_shader_desc = ImGui_ImplWGPU_CreateShaderModule(__glsl_shader_vert_spv, sizeof(__glsl_shader_vert_spv) / sizeof(uint32_t));
@ -620,10 +652,6 @@ bool ImGui_ImplWGPU_CreateDeviceObjects()
ImGui_ImplWGPU_CreateUniformBuffer();
// Create resource bind group
WGPUBindGroupLayout bg_layouts[2];
bg_layouts[0] = wgpuRenderPipelineGetBindGroupLayout(g_pipelineState, 0);
bg_layouts[1] = wgpuRenderPipelineGetBindGroupLayout(g_pipelineState, 1);
WGPUBindGroupEntry common_bg_entries[] =
{
{ nullptr, 0, g_resources.Uniforms, 0, sizeof(Uniforms), 0, 0 },

2
docs/CHANGELOG.txt
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@ -57,6 +57,8 @@ All changes:
- Misc: Tolerate zero delta-time under Emscripten as backends are imprecise in their
values for io.DeltaTime, and browser features such as "privacy.resistFingerprinting=true"
can exacerbate that. (#6114, #3644)
- Backend: WebGPU: Fix building for latest WebGPU specs (remove implicit layout generation).
(#6117, #4116, #3632) [@tonygrue, @bfierz]
- Examples: Win32: Fixed examples using RegisterClassW() since 1.89 to also call
DefWindowProcW() instead of DefWindowProc() so that title text are correctly converted
when application is compiled without /DUNICODE. (#5725, #5961, #5975) [@markreidvfx]