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Revert "WebGPU: enable emscripten support (#3780)" (#3782)

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This reverts commit 6777023bfe.
This commit is contained in:
Branimir Karadžić
2026-06-25 05:14:34 +00:00
committed by GitHub
parent 6777023bfe
commit 07fcf2a577
4 changed files with 15 additions and 96 deletions
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src/renderer_webgpu.cpp
+8 -88
View File
@@ -887,12 +887,6 @@ WGPU_IMPORT
renderCtx->m_device = _device;
}
WGPUWaitStatus waitForFuture(WGPUFutureWaitInfo& _fwi)
{
wgpuInstanceProcessEvents(m_instance);
return wgpuInstanceWaitAny(m_instance, 1, &_fwi, UINT64_MAX);
}
bool init(const Init& _init)
{
struct ErrorState
@@ -929,7 +923,6 @@ WGPU_IMPORT
bool imported = true;
#if !BX_PLATFORM_EMSCRIPTEN
m_webgpuDll = bx::dlopen(
#if BX_PLATFORM_WINDOWS
"webgpu_dawn.dll"
@@ -977,21 +970,12 @@ WGPU_IMPORT
goto error;
}
#else // BX_PLATFORM_EMSCRIPTEN
BX_TRACE("Emscripten: Using statically linked WebGPU.");
m_webgpuDll = NULL;
errorState = ErrorState::LoadedWebGPU;
#endif // !BX_PLATFORM_EMSCRIPTEN
{
{
WGPUInstanceFeatureName requiredFeatures[] =
{
WGPUInstanceFeatureName_TimedWaitAny,
#if !BX_PLATFORM_EMSCRIPTEN
WGPUInstanceFeatureName_ShaderSourceSPIRV,
#endif // !BX_PLATFORM_EMSCRIPTEN
};
WGPUInstanceDescriptor instanceDesc =
@@ -1037,7 +1021,7 @@ WGPU_IMPORT
.completed = false,
};
WGPUWaitStatus waitStatus = waitForFuture(fwi);
WGPUWaitStatus waitStatus = wgpuInstanceWaitAny(m_instance, 1, &fwi, UINT64_MAX);
if (WGPUWaitStatus_Success != waitStatus
|| NULL == m_adapter)
@@ -1173,18 +1157,15 @@ WGPU_IMPORT
if (WGPUStatus_Success == status)
{
#if !BX_PLATFORM_EMSCRIPTEN
requiredLimits.maxComputeWorkgroupSizeX = 1024;
requiredLimits.maxComputeWorkgroupSizeY = 1024;
requiredLimits.maxComputeWorkgroupSizeZ = 64;
#endif // !BX_PLATFORM_EMSCRIPTEN
}
static constexpr uint32_t kMaxEnabledTogles = 10;
const char* enabledToggles[kMaxEnabledTogles];
uint32_t enabledTogglesCount = 0;
#if !BX_PLATFORM_EMSCRIPTEN
enabledToggles[enabledTogglesCount++] = "allow_unsafe_apis"; // TimestampWrite requires this.
if (_init.debug)
@@ -1226,15 +1207,10 @@ WGPU_IMPORT
.disabledToggleCount = 0,
.disabledToggles = NULL,
};
#endif // !BX_PLATFORM_EMSCRIPTEN
WGPUDeviceDescriptor deviceDesc =
{
#if !BX_PLATFORM_EMSCRIPTEN
.nextInChain = &dawnTogglesDescriptor.chain,
#else
.nextInChain = NULL,
#endif
.label = WGPU_STRING_VIEW_INIT,
.requiredFeatureCount = requiredFeatureCount,
.requiredFeatures = requiredFeatures,
@@ -1243,7 +1219,7 @@ WGPU_IMPORT
.deviceLostCallbackInfo =
{
.nextInChain = NULL,
.mode = WGPUCallbackMode_AllowSpontaneous,
.mode = WGPUCallbackMode_WaitAnyOnly,
.callback = deviceLostCb,
.userdata1 = this,
.userdata2 = NULL,
@@ -1270,7 +1246,7 @@ WGPU_IMPORT
.completed = false,
};
WGPUWaitStatus waitStatus = waitForFuture(fwi);
WGPUWaitStatus waitStatus = wgpuInstanceWaitAny(m_instance, 1, &fwi, UINT64_MAX);
if (WGPUWaitStatus_Success != waitStatus
|| NULL == m_device)
@@ -4361,7 +4337,7 @@ WGPU_IMPORT
{
m_resolution = _resolution;
WGPUSurfaceCapabilities surfaceCaps = WGPU_SURFACE_CAPABILITIES_INIT;
WGPUSurfaceCapabilities surfaceCaps;
WGPUStatus status = WGPU_CHECK(wgpuSurfaceGetCapabilities(m_surface, s_renderWGPU->m_adapter, &surfaceCaps) );
if (WGPUStatus_Success != status)
@@ -4385,24 +4361,6 @@ m_resolution.formatColor = TextureFormat::BGRA8;
}
}
#if BX_PLATFORM_EMSCRIPTEN
if (WGPUTextureFormat_Undefined != format
&& surfaceCaps.formatCount > 0
&& format != surfaceCaps.formats[0])
{
format = surfaceCaps.formats[0];
if (WGPUTextureFormat_BGRA8Unorm == format)
{
m_resolution.formatColor = TextureFormat::BGRA8;
}
else if (WGPUTextureFormat_RGBA8Unorm == format)
{
m_resolution.formatColor = TextureFormat::RGBA8;
}
}
#endif // BX_PLATFORM_EMSCRIPTEN
BX_ASSERT(WGPUTextureFormat_Undefined != format, "SwapChain surface format is not available!");
m_surfaceConfig =
@@ -4428,9 +4386,6 @@ m_resolution.formatColor = TextureFormat::BGRA8;
const uint32_t msaa = s_msaa[(_resolution.reset&BGFX_RESET_MSAA_MASK)>>BGFX_RESET_MSAA_SHIFT];
wgpuRelease(m_depthStencilView);
wgpuRelease(m_msaaTextureView);
if (bimg::isDepth(bimg::TextureFormat::Enum(m_resolution.formatDepthStencil) ) )
{
WGPUTextureDescriptor textureDesc =
@@ -4516,7 +4471,6 @@ m_resolution.formatColor = TextureFormat::BGRA8;
};
m_msaaTextureView = WGPU_CHECK(wgpuTextureCreateView(texture, &textureViewDesc) );
wgpuRelease(texture);
}
return true;
@@ -4688,26 +4642,6 @@ m_resolution.formatColor = TextureFormat::BGRA8;
.layer = toMetalLayer(m_nwh),
};
surfaceDesc =
{
.nextInChain = &surfaceSource.chain,
.label = toWGPUStringView("SwapChainWGPU"),
};
#elif BX_PLATFORM_EMSCRIPTEN
WGPUEmscriptenSurfaceSourceCanvasHTMLSelector surfaceSource =
{
.chain =
{
.next = NULL,
.sType = WGPUSType_EmscriptenSurfaceSourceCanvasHTMLSelector,
},
.selector =
{
.data = static_cast<const char*>(m_nwh),
.length = uint32_t(bx::strLen(static_cast<const char*>(m_nwh))),
},
};
surfaceDesc =
{
.nextInChain = &surfaceSource.chain,
@@ -4725,9 +4659,7 @@ m_resolution.formatColor = TextureFormat::BGRA8;
void SwapChainWGPU::present()
{
wgpuRelease(m_textureView);
#if !BX_PLATFORM_EMSCRIPTEN
WGPU_CHECK(wgpuSurfacePresent(m_surface) );
#endif // !BX_PLATFORM_EMSCRIPTEN
WGPUSurfaceTexture surfaceTexture = WGPU_SURFACE_TEXTURE_INIT;
wgpuSurfaceGetCurrentTexture(m_surface, &surfaceTexture);
@@ -4942,42 +4874,30 @@ m_resolution.formatColor = TextureFormat::BGRA8;
WGPUCommandBuffer commandBuffer = WGPU_CHECK(wgpuCommandEncoderFinish(m_commandEncoder, NULL) );
WGPU_CHECK(wgpuQueueSubmit(m_queue, 1, &commandBuffer) );
m_future = wgpuQueueOnSubmittedWorkDone(
m_queue
WGPU_CHECK(wgpuQueueOnSubmittedWorkDone(
m_queue
, {
.nextInChain = NULL,
.mode = WGPUCallbackMode_AllowProcessEvents,
.callback = queueWorkDoneCb,
.userdata1 = (void*)uintptr_t(m_counter),
.userdata2 = NULL,
});
}) );
wgpuRelease(commandBuffer);
wgpuRelease(m_commandEncoder);
++m_counter;
#if !BX_PLATFORM_EMSCRIPTEN
WGPU_CHECK(wgpuInstanceProcessEvents(s_renderWGPU->m_instance) );
#endif // !BX_PLATFORM_EMSCRIPTEN
m_commandEncoder = WGPU_CHECK(wgpuDeviceCreateCommandEncoder(s_renderWGPU->m_device, NULL) );
}
void CommandQueueWGPU::wait()
{
#if BX_PLATFORM_EMSCRIPTEN
wgpuInstanceProcessEvents(s_renderWGPU->m_instance);
#else
while (0 < m_counter)
{
WGPUFutureWaitInfo fwi =
{
.future = m_future,
.completed = false,
};
wgpuInstanceWaitAny(s_renderWGPU->m_instance, 1, &fwi, 1000000);
WGPU_CHECK(wgpuInstanceProcessEvents(s_renderWGPU->m_instance) );
}
#endif // BX_PLATFORM_EMSCRIPTEN
}
void CommandQueueWGPU::frame()