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[Magma] provide native placeholders for unbound wire image descriptors

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swung0x48
2026-09-20 12:21:36 -04:00
parent 4610b573f4
commit 5922e54b47
3 changed files with 227 additions and 4 deletions
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MobileGL/MG_Backend/DirectVulkan/Renderer/UniformManager.cpp
+11 -4
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@@ -118,9 +118,8 @@ namespace MobileGL::MG_Backend::DirectVulkan {
if (unit < 0 || static_cast<Uint32>(unit) >=
(storage ? MG_Pipe::kMGPipeMaxImageUnits : MG_Pipe::kMGPipeMaxTextureUnits)) return false;
const auto handle = storage ? state.BoundShaderImages[unit].Res : state.BoundSamplerViews[unit].Texture;
// The old placeholder constructor enters the guarded client allocator. Keep that
// P7 boundary explicit instead of constructing a frontend texture on the server.
if (MG_Pipe::MGPipeHandleIsNull(handle)) WireDescriptorFatal("unbound-image-placeholder@P7");
if (MG_Pipe::MGPipeHandleIsNull(handle))
return ResolveWirePlaceholderImage(commandBuffer, program, programObj, binding, storage, out);
if (handle.Slot >= state.TextureResources.size()) WireDescriptorFatal("image-record");
const auto& record = state.TextureResources[handle.Slot];
if (!record.Live || record.Gen != handle.Gen) WireDescriptorFatal("image-record-generation");
@@ -402,6 +401,8 @@ namespace MobileGL::MG_Backend::DirectVulkan {
}
}
#include "WirePlaceholderImages.inc"
static Bool FindFramebufferAttachmentForTexture(const MG_State::GLState::FramebufferObject& framebuffer,
const MG_State::GLState::ITextureObject& texture,
FramebufferAttachmentType& outAttachment, Int& outLevel) {
@@ -598,6 +599,10 @@ namespace MobileGL::MG_Backend::DirectVulkan {
frame.peakAllocatedSetsThisFrame = 0;
}
m_frames.clear();
#if MOBILEGL_BUILD_DISAGGREGATED
for (auto& entry : m_wirePlaceholderImages) DestroyWirePlaceholderImage(entry.second);
m_wirePlaceholderImages.clear();
#endif
m_bufferManager = nullptr;
m_programFactory = nullptr;
@@ -2825,7 +2830,9 @@ namespace MobileGL::MG_Backend::DirectVulkan {
(storage ? MG_Pipe::kMGPipeMaxImageUnits : MG_Pipe::kMGPipeMaxTextureUnits)) return false;
const auto handle = storage ? state.BoundShaderImages[unit].Res
: state.BoundSamplerViews[unit].Texture;
if (MG_Pipe::MGPipeHandleIsNull(handle)) WireDescriptorFatal("unbound-image-placeholder@P7");
// Null is the wire's unbound/incomplete binding. Its native
// placeholder needs no resource upload or frontend allocation.
if (MG_Pipe::MGPipeHandleIsNull(handle)) continue;
if (!m_textureManager->SyncTextureResourceByHandle(handle, false, storage)) return false;
}
}