mirror of
https://github.com/thejerf/baijiSteamVR.git
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95 lines
3.7 KiB
C++
95 lines
3.7 KiB
C++
// Copyright 2014 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <array>
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#include <cmath>
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#include <limits>
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#include <string>
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#include "Common/CommonTypes.h"
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#include "VideoCommon/ConstantManager.h"
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class PointerWrap;
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enum class PrimitiveType : u32;
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// The non-API dependent parts.
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class GeometryShaderManager
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{
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public:
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void Init();
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void Dirty();
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void DoState(PointerWrap& p);
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void SetConstants(PrimitiveType prim);
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void SetViewportChanged();
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void SetProjectionChanged();
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void SetLinePtWidthChanged();
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void SetTexCoordChanged(u8 texmapid);
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// VR head-pose cache: marks the cached eye projection as stale so the next
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// SetConstants() call re-fetches it from OpenXR. Called from BPStructs at the
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// XFB-copy boundary so a single game frame's draws all see one consistent pose.
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void InvalidateVRHeadPose();
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GeometryShaderConstants constants{};
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bool dirty = false;
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// Per-draw VR stereo mode override (set before RenderDrawCall, consumed in SetConstants).
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// NaN = no override; -3.0 = force headlocked perspective HUD; -2.0 = force headlocked screen;
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// -1.0 = force screen; 0.0 = force fullscreen; 1.0 = force perspective.
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float vr_stereo_override = std::numeric_limits<float>::quiet_NaN();
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// Per-draw element depth override from shader overrides (-1 = use global setting).
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float vr_element_depth_override = -1.0f;
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// Per-draw UPM override from shader overrides (-1 = use global setting).
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float vr_units_per_meter_override = -1.0f;
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// Per-draw headlocked projection tuning for Hydra-style HUD layers.
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float vr_headlocked_projection_scale_x = 1.0f;
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float vr_headlocked_projection_scale_y = 1.0f;
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float vr_headlocked_projection_offset_x = 0.0f;
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float vr_headlocked_projection_offset_y = 0.0f;
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// Set by VertexManagerBase for the current -3 (perspective HUD) draw: true for radar/minimap
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// layers that must self-centre on their own origin depth instead of the shared per-frame
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// reference (see SetConstants).
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bool vr_metroid_hud_self_center = false;
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// Set by VertexManagerBase for stable Metroid perspective-HUD body layers. Transient combat
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// reticle/menu pieces can move during free-aim and must not become the shared depth anchor.
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bool vr_metroid_hud_anchor_candidate = false;
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int vr_metroid_hud_reference_context = 0;
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private:
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void SetVSExpand(VSExpand expand);
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bool m_projection_changed = false;
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bool m_viewport_changed = false;
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// Cached OpenXR head pose data — refreshed only at frame boundaries (XFB copy)
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// while the head-pose lock is in effect (VideoConfig::VRLockHeadPosePerFrame),
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// otherwise refreshed every SetConstants call.
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std::array<std::array<float, 4>, 4> m_cached_eye_projection{};
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std::array<std::array<float, 4>, 2> m_cached_eye_z_row{};
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std::array<std::array<float, 4>, 4> m_cached_head_projection{};
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float m_cached_units_per_meter = 0.0f;
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bool m_vr_pose_needs_refresh = true;
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// Shared reference depth for the headlocked perspective HUD (-3) path. Stable body layers choose
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// the next frame's anchor; all coherent draws in a frame reuse one anchor so they share ONE
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// coherent transform and keep their relative scene depth. Per-draw centring instead collapsed
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// every origin to scale.z - distance and inverted it (because scale.z ~ size_ref/(-refZ)).
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float m_vr_hud_shared_reference_z = 0.0f;
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bool m_vr_hud_shared_reference_valid = false;
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int m_vr_hud_shared_reference_context = 0;
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float m_vr_hud_stable_reference_z = 0.0f;
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bool m_vr_hud_stable_reference_valid = false;
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int m_vr_hud_stable_reference_context = 0;
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float m_vr_hud_frame_anchor_candidate_z = 0.0f;
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bool m_vr_hud_frame_anchor_candidate_valid = false;
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int m_vr_hud_frame_anchor_candidate_context = 0;
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};
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