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bicarus
3fdb369128
## Link to GitHub Issue or related Pull Request, if one exists n/a ## Description of change Adds an option to disable Live2D. Can be disabled everywhere, or just during a song. ## Testing Tested EG final and recent Nabla.
45 lines
1.8 KiB
C++
45 lines
1.8 KiB
C++
#pragma once
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#include <windows.h>
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#include <d3d9.h>
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// SDVX Live2D draw-skip support for the D3D9 backend.
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//
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// SDVX renders its Live2D navigator / in-song character through a fixed set of
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// shaders. when the skip is active (see graphics_sdvx_live2d_should_skip)
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// the matching draw calls are dropped to save GPU. shaders are identified by a
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// stable hash of their D3D9 bytecode (object pointers vary per run, the bytecode
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// does not). the hashes were captured with the draw-call fingerprinting tool.
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//
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// every entry point is a no-op unless the feature is enabled (mode != Off), and
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// d3d9 rendering for a device is single-threaded, so none of this needs locking.
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namespace d3d9_live2d {
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#ifdef SPICE64
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// record a shader's bytecode fingerprint at creation time
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void on_create_vertex_shader(IDirect3DVertexShader9 *shader, const DWORD *func);
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void on_create_pixel_shader(IDirect3DPixelShader9 *shader, const DWORD *func);
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// remember the currently-bound shaders
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void on_set_vertex_shader(IDirect3DVertexShader9 *shader);
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void on_set_pixel_shader(IDirect3DPixelShader9 *shader);
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// true if the current draw call should be dropped (skip active AND the bound
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// shaders identify it as SDVX Live2D)
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bool should_skip_draw();
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#else // !SPICE64
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// only the Live2D-capable SDVX versions are 64-bit; on 32-bit every entry point
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// compiles away to nothing, so the d3d9 device hooks need no #ifdefs at their
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// call sites.
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inline void on_create_vertex_shader(IDirect3DVertexShader9 *, const DWORD *) {}
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inline void on_create_pixel_shader(IDirect3DPixelShader9 *, const DWORD *) {}
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inline void on_set_vertex_shader(IDirect3DVertexShader9 *) {}
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inline void on_set_pixel_shader(IDirect3DPixelShader9 *) {}
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inline bool should_skip_draw() { return false; }
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#endif // SPICE64
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}
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