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WebGPU: Dedup bind group per frame. (#3791)

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This commit is contained in:
Branimir Karadžić
2026-06-28 05:08:54 +00:00
committed by GitHub
parent 86ad82cfe2
commit b3a15e8e8e
1 changed files with 18 additions and 8 deletions
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src/renderer_webgpu.cpp
+18 -8
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@@ -3323,6 +3323,9 @@ WGPU_IMPORT
StateCacheT<WGPUTextureView> m_textureViewStateCache;
StateCacheT<WGPUSampler> m_samplerStateCache;
typedef stl::unordered_map<uint32_t, BindGroup> BindGroupMap;
BindGroupMap m_bindGroupMap;
void* m_uniforms[BGFX_CONFIG_MAX_UNIFORMS];
Matrix4 m_predefinedUniforms[PredefinedUniform::Count];
UniformRegistry m_uniformReg;
@@ -5595,8 +5598,6 @@ m_resolution.formatColor = TextureFormat::BGRA8;
, true
);
StateCacheLru<BindGroup, 64> bindGroupLru;
uint32_t msaaCount = 1;
if (0 == (_render->m_debug&BGFX_DEBUG_IFH) )
@@ -5913,12 +5914,13 @@ m_resolution.formatColor = TextureFormat::BGRA8;
murmur.add(vsSize);
const uint32_t bindHash = murmur.end();
const BindGroup* bindGroupCached = bindGroupLru.find(bindHash);
if (NULL == bindGroupCached)
BindGroupMap::iterator it = m_bindGroupMap.find(bindHash);
if (it == m_bindGroupMap.end() )
{
const BindGroup bindGroup = createBindGroup(bindGroupLayout, program, renderBind, sbo, true);
bindGroupCached = bindGroupLru.add(bindHash, bindGroup, 0);
it = m_bindGroupMap.insert(stl::make_pair(bindHash, bindGroup) ).first;
}
const BindGroup* bindGroupCached = &it->second;
WGPU_CHECK(wgpuComputePassEncoderSetBindGroup(computePassEncoder, 0, bindGroupCached->bindGroup, bindGroupCached->numOffsets, sbo.offsets) );
@@ -6049,12 +6051,13 @@ m_resolution.formatColor = TextureFormat::BGRA8;
murmur.add(fsSize);
const uint32_t bindHash = murmur.end();
const BindGroup* bindGroupCached = bindGroupLru.find(bindHash);
if (NULL == bindGroupCached)
BindGroupMap::iterator bindIt = m_bindGroupMap.find(bindHash);
if (bindIt == m_bindGroupMap.end() )
{
const BindGroup bind = createBindGroup(bindGroupLayout, program, renderBind, sbo, false);
bindGroupCached = bindGroupLru.add(bindHash, bind, 0);
bindIt = m_bindGroupMap.insert(stl::make_pair(bindHash, bind) ).first;
}
const BindGroup* bindGroupCached = &bindIt->second;
WGPU_CHECK(wgpuRenderPassEncoderSetBindGroup(renderPassEncoder, 0, bindGroupCached->bindGroup, bindGroupCached->numOffsets, sbo.offsets) );
@@ -6544,6 +6547,13 @@ m_resolution.formatColor = TextureFormat::BGRA8;
m_uniformScratchBuffer.end();
m_cmd.frame();
for (BindGroupMap::iterator it = m_bindGroupMap.begin(), end = m_bindGroupMap.end(); it != end; ++it)
{
release(it->second);
}
m_bindGroupMap.clear();
}