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D3D12: report fake occlusion results while emulated draws are suppressed

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This commit is contained in:
mchughalex 2026-07-09 00:29:16 +01:00
parent 1161489933
commit 0fcbad33e6
2 changed files with 28 additions and 1 deletions
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8
cmake/rexglue_helpers.cmake
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@ -74,7 +74,13 @@ function(rexglue_configure_target target_name)
REXGLUE_BUILD_CONFIG="$<CONFIG>")
if(TARGET imgui::imgui)
target_link_libraries(${target_name} PRIVATE imgui::imgui)
# Headers only. The ImGui implementation lives inside the runtime
# library (which exports it); linking the object library here would
# give the host its own second copy of ImGui with a separate,
# never-initialized context (GImGui == nullptr), so any host-side
# ImGuiDialog subclass would crash on its first ImGui:: call.
target_include_directories(${target_name} PRIVATE
$<TARGET_PROPERTY:imgui::imgui,INTERFACE_INCLUDE_DIRECTORIES>)
endif()
target_include_directories(${target_name} PRIVATE
${CMAKE_CURRENT_BINARY_DIR}/rexglue-sdk/include)

21
src/graphics/d3d12/command_processor.cpp
View file

@ -435,6 +435,27 @@ bool D3D12CommandProcessor::ExecutePacketType3_EVENT_WRITE_ZPD(memory::RingBuffe
return write_fake_result(REXCVAR_GET(skate3_ultrawide_fake_occlusion_sample_count));
}
// Native guest-output renderer active: the framebuffer-sized draws between
// query begin/end are suppressed, so a real host occlusion query reports 0
// samples. The game gates world rendering on these results; event-ad
// placements poll their poster quads' visibility and stop submitting the
// overlay geometry entirely (the native frame then shows the default poster
// art where the emulated frame shows the current ad). Report the fake
// positive count instead: the suppressed draws are exactly the ones the
// native renderer is drawing in their place.
if (ShouldSuppressEmulatedDraws()) {
if (active_occlusion_query_.valid) {
uint32_t host_index = active_occlusion_query_.host_index;
active_occlusion_query_ = {};
if (occlusion_query_heap_ && BeginSubmission(true)) {
deferred_command_list_.D3DEndQuery(occlusion_query_heap_.Get(), D3D12_QUERY_TYPE_OCCLUSION,
host_index);
EndSubmission(false);
}
}
return write_fake_result(REXCVAR_GET(query_occlusion_fake_sample_count));
}
if (!REXCVAR_GET(occlusion_query_enable) || !occlusion_query_resources_available_) {
return CommandProcessor::ExecutePacketType3_EVENT_WRITE_ZPD(reader, packet, count);
}