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[Feat] (Magma, P11 B2): import a T0 store through VK_ANDROID_external_memory_android_hardware_buffer as a wire buffer (external VkBufferObject), serial-gated release, done-no-bytes readback, and the sustained-lock POST on the renderer's device

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swung0x48
2026-09-29 17:50:50 -04:00
parent 2a69f61c88
commit 7cde55b1c1
6 changed files with 506 additions and 5 deletions
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MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp
+42
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@@ -15333,6 +15333,30 @@ void main() {
// P7 gate 5 (g5-msprobe): which multisample depth/stencil resolve arm goes first is measured
// once the device exists (ArmWireDepthResolveOrder, below), not keyed on the vendor.
m_wirePreferShaderDepthResolve = false;
// P11 B2 (T0): a client's AHardwareBuffer imported as a wire buffer store. Wire arms, on
// Android, whenever the device advertises the extension - not per session: the device is
// created once per server and a later session asking T0 must find it able. Enabling it
// changes no T2 behaviour; only an import uses it. The 1.0-era dependencies are core at the
// 1.1 this device is created at, and are enabled too when advertised (the spike's set).
m_wireAhbImport = false;
m_wireGetAhbProperties = nullptr;
#if defined(__ANDROID__)
if (MG_Config::Transport != MG_Config::TransportMode::Monolith &&
m_physicalDevice.properties.apiVersion >= VK_API_VERSION_1_1 &&
IsExtensionSupported(availableExtensions, VK_ANDROID_EXTERNAL_MEMORY_ANDROID_HARDWARE_BUFFER_EXTENSION_NAME) &&
IsExtensionSupported(availableExtensions, VK_EXT_QUEUE_FAMILY_FOREIGN_EXTENSION_NAME)) {
m_wireAhbImport = true;
for (const char* name : {VK_ANDROID_EXTERNAL_MEMORY_ANDROID_HARDWARE_BUFFER_EXTENSION_NAME,
VK_EXT_QUEUE_FAMILY_FOREIGN_EXTENSION_NAME, VK_KHR_EXTERNAL_MEMORY_EXTENSION_NAME,
VK_KHR_SAMPLER_YCBCR_CONVERSION_EXTENSION_NAME,
VK_KHR_DEDICATED_ALLOCATION_EXTENSION_NAME,
VK_KHR_GET_MEMORY_REQUIREMENTS_2_EXTENSION_NAME,
VK_KHR_BIND_MEMORY_2_EXTENSION_NAME, VK_KHR_MAINTENANCE_1_EXTENSION_NAME}) {
if (IsExtensionSupported(availableExtensions, name))
EnableOptionalDeviceExtension(availableExtensions, enabledDeviceExtensions, name);
}
}
#endif
#endif
if ((descriptorIndexingCore || descriptorIndexingExtension) && getPhysicalDeviceFeatures2 != nullptr &&
getPhysicalDeviceProperties2 != nullptr) {
@@ -15892,6 +15916,11 @@ void main() {
m_wireCreateRenderPass2 = reinterpret_cast<PFN_vkCreateRenderPass2>(
vkGetDeviceProcAddr(m_device, wireDepthResolveCore ? "vkCreateRenderPass2" : "vkCreateRenderPass2KHR"));
}
if (m_wireAhbImport) {
m_wireGetAhbProperties =
reinterpret_cast<void*>(vkGetDeviceProcAddr(m_device, "vkGetAndroidHardwareBufferPropertiesANDROID"));
if (m_wireGetAhbProperties == nullptr) m_wireAhbImport = false;
}
#endif
s_vkCmdDrawIndexedIndirectCount = reinterpret_cast<PFNDrawIndexedIndirectCountFunc>(
@@ -16733,6 +16762,19 @@ void main() {
return m_instance;
}
#if MOBILEGL_BUILD_DISAGGREGATED
Bool VulkanRenderer::GetWireAhbImport(WireAhbImport& out) const {
out = WireAhbImport{};
if (!m_wireAhbImport || m_device == VK_NULL_HANDLE || m_wireGetAhbProperties == nullptr) return false;
out.device = m_device;
out.queue = m_graphicsQueue;
out.queueFamily = static_cast<Uint32>(m_physicalDevice.queueFamilies.graphicsFamily);
vkGetPhysicalDeviceMemoryProperties(m_physicalDevice.handle, &out.memory);
out.getAhbProperties = m_wireGetAhbProperties;
return true;
}
#endif
Bool VulkanRenderer::IsDrawIndirectCountExtensionEnabled() const {
return m_drawIndirectCountExtensionEnabled;
}