mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
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66 lines
2.9 KiB
C++
66 lines
2.9 KiB
C++
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/********************************************************************************
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* *
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* This file is part of IfcOpenShell. *
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* *
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* IfcOpenShell is free software: you can redistribute it and/or modify *
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* it under the terms of the Lesser GNU General Public License as published by *
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* the Free Software Foundation, either version 3.0 of the License, or *
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* (at your option) any later version. *
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* *
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* IfcOpenShell is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* Lesser GNU General Public License for more details. *
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* *
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* You should have received a copy of the Lesser GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>. *
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* *
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********************************************************************************/
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#include "WgpuDynamicOffsets.h"
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#ifdef __EMSCRIPTEN__
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#include <emscripten/em_js.h>
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#endif
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namespace ifcviewer {
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#ifdef __EMSCRIPTEN__
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namespace {
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EM_JS(void, ifcv_set_bind_group_dynamic_js,
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(WGPURenderPassEncoder pass, uint32_t group_index, WGPUBindGroup group,
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uint32_t offsets_ptr, uint32_t count), {
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// HEAPU32.slice() copies into a freshly allocated buffer of exactly
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// `count` elements; .subarray() would alias the whole heap again and
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// reintroduce the bug this function exists to avoid.
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var start = offsets_ptr >>> 2;
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var small = HEAPU32.slice(start, start + count);
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WebGPU.getJsObject(pass).setBindGroup(
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group_index, WebGPU.getJsObject(group), small, 0, count);
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});
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} // namespace
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void setBindGroupDynamic(WGPURenderPassEncoder pass, uint32_t group_index,
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WGPUBindGroup group, uint32_t count,
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const uint32_t* offsets) {
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if (count == 0) {
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wgpuRenderPassEncoderSetBindGroup(pass, group_index, group, 0, nullptr);
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return;
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}
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ifcv_set_bind_group_dynamic_js(pass, group_index, group,
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uint32_t(reinterpret_cast<uintptr_t>(offsets)), count);
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}
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#else
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void setBindGroupDynamic(WGPURenderPassEncoder pass, uint32_t group_index,
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WGPUBindGroup group, uint32_t count,
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const uint32_t* offsets) {
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wgpuRenderPassEncoderSetBindGroup(pass, group_index, group, count, offsets);
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}
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#endif
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} // namespace ifcviewer
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