mirror of
https://github.com/thejerf/baijiSteamVR.git
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101 lines
3.0 KiB
C++
101 lines
3.0 KiB
C++
// Copyright 2026 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "VideoCommon/RuntimeElementMatcher.h"
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namespace RuntimeElementMatcher
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{
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bool HasActiveGroups(const ShaderHunter::RuntimeElementSignature& signature)
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{
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return signature.valid &&
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(signature.use_projection || signature.use_projection_type || signature.use_layer ||
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signature.use_viewport || signature.use_scissor || signature.use_render_state);
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}
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bool Matches(const ShaderHunter::RuntimeElementSignature& pattern,
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const ShaderHunter::RuntimeElementSignature& candidate)
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{
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if (!pattern.valid || !candidate.valid)
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return false;
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// Coarse projection filter: match only the projection kind (perspective vs orthographic),
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// ignoring the exact FOV/bounds values. Robust against value drift and the compact OpenXR
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// projection scale, where exact comparison of the detailed values fails.
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if (pattern.use_projection_type)
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{
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if (pattern.perspective != candidate.perspective)
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return false;
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}
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if (pattern.use_projection)
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{
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if (pattern.perspective != candidate.perspective)
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return false;
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if (pattern.perspective)
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{
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if (pattern.perspective_hfov_x100 != candidate.perspective_hfov_x100 ||
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pattern.perspective_vfov_x100 != candidate.perspective_vfov_x100 ||
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pattern.perspective_near_x1000 != candidate.perspective_near_x1000 ||
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pattern.perspective_far_x100 != candidate.perspective_far_x100)
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{
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return false;
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}
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}
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else
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{
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if (pattern.ortho_left_x100 != candidate.ortho_left_x100 ||
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pattern.ortho_right_x100 != candidate.ortho_right_x100 ||
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pattern.ortho_top_x100 != candidate.ortho_top_x100 ||
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pattern.ortho_bottom_x100 != candidate.ortho_bottom_x100)
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{
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return false;
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}
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}
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}
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if (pattern.use_layer)
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{
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if (candidate.perspective || pattern.perspective)
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return false;
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if (pattern.ortho_layer != candidate.ortho_layer)
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return false;
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}
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if (pattern.use_viewport)
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{
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if (pattern.viewport_x != candidate.viewport_x ||
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pattern.viewport_y != candidate.viewport_y ||
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pattern.viewport_width != candidate.viewport_width ||
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pattern.viewport_height != candidate.viewport_height)
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{
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return false;
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}
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}
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if (pattern.use_scissor)
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{
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if (pattern.scissor_left != candidate.scissor_left ||
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pattern.scissor_top != candidate.scissor_top ||
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pattern.scissor_right != candidate.scissor_right ||
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pattern.scissor_bottom != candidate.scissor_bottom)
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{
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return false;
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}
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}
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if (pattern.use_render_state)
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{
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if (pattern.alpha_test_hex != candidate.alpha_test_hex || pattern.ztest != candidate.ztest ||
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pattern.zupdate != candidate.zupdate || pattern.zfunc != candidate.zfunc ||
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pattern.blend_color_update != candidate.blend_color_update ||
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pattern.blend_alpha_update != candidate.blend_alpha_update)
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{
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return false;
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}
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}
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return true;
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}
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} // namespace RuntimeElementMatcher
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