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https://github.com/mitch030504/Wiicompiled_VR_Frame.git
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89 lines
3.0 KiB
C++
89 lines
3.0 KiB
C++
#ifndef AURORA_D3D12_INTEROP_H
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#define AURORA_D3D12_INTEROP_H
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#ifdef __cplusplus
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#include <cstdint>
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extern "C" {
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#else
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#include "stdbool.h"
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#include "stdint.h"
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#endif
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enum { AURORA_D3D12_STEREO_MAX_TARGETS = 2 };
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/**
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* Borrowed native objects owned by Aurora/Dawn. They remain valid until
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* aurora_shutdown() and must not be released by the caller.
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*
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* colorDxgiFormat is the DXGI format matching Aurora's single-sample eye
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* output. adapterLuid is returned in the same split representation used by
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* OpenXR's XrGraphicsRequirementsD3D12KHR.
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*/
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typedef struct {
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void* device;
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void* queue;
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int64_t colorDxgiFormat;
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uint32_t adapterLuidLow;
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int32_t adapterLuidHigh;
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} AuroraD3D12NativeHandles;
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/** One acquired OpenXR swapchain image for the next Aurora stereo sink. */
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typedef struct {
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void* resource;
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uint32_t width;
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uint32_t height;
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int64_t dxgiFormat;
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} AuroraD3D12StereoTarget;
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/**
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* Fired when Aurora either finishes or abandons the stereo sink. `success`
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* guarantees that the final same-queue D3D12 copy and its completion fence were
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* enqueued. A false result may occur after ExecuteCommandLists, so callers must
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* conservatively retain externally owned targets until graphics/session
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* teardown. The callback must not wait for the GPU or re-enter Aurora.
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*/
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typedef void (*AuroraD3D12StereoSubmittedCallback)(uint64_t frameToken, bool success,
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void* userdata);
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/** Returns false unless the active Aurora backend is Dawn D3D12. */
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bool aurora_d3d12_get_native_handles(AuroraD3D12NativeHandles* handles);
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/**
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* Installs the internal zero-readback stereo sink. Call while Aurora's frame
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* worker is idle, after aurora_initialize().
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*/
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bool aurora_d3d12_enable_stereo_bridge(AuroraD3D12StereoSubmittedCallback submitted,
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void* userdata);
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/**
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* Publishes the acquired OpenXR image(s) for frameToken. Immersive projection
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* frames supply two targets; virtual-screen quad frames supply one. Exactly
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* one frame may be pending at a time.
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*/
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bool aurora_d3d12_set_stereo_targets(uint64_t frameToken,
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const AuroraD3D12StereoTarget* targets,
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uint32_t targetCount);
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/**
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* Withdraws frameToken only while its target has not been encoded. This is
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* safe to race with Aurora's frame worker: false means the worker already owns
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* encoded work (or the token is no longer pending), so the submitted callback
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* remains the only completion authority. A successful cancellation performs
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* no GPU work and deliberately does not fire the callback.
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*/
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bool aurora_d3d12_cancel_stereo_targets(uint64_t frameToken);
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/**
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* Removes the sink and drains bridge resources. The worker must be idle. Returns
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* false when queued work cannot be fenced; in that case the bridge is retained
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* for the process lifetime and the caller must likewise retain its graphics/XR
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* owners rather than destroying resources with unknown GPU use.
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*/
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bool aurora_d3d12_disable_stereo_bridge();
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#ifdef __cplusplus
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}
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#endif
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#endif
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