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| author | 2023-01-27 19:28:35 -0500 | |
|---|---|---|
| committer | 2023-01-27 19:28:35 -0500 | |
| commit | 6fa86989f10ef9f87701147e4b4b426f309edac4 (patch) | |
| tree | e4b3c203e4a2349ec8f72e5f5d162eab2a1d9ecd /src/video_core/fsr.cpp | |
| parent | Merge pull request #9666 from liamwhite/wait-for-me (diff) | |
| parent | video_core/opengl: Add FSR upscaling filter to the OpenGL renderer (diff) | |
| download | yuzu-6fa86989f10ef9f87701147e4b4b426f309edac4.tar.gz yuzu-6fa86989f10ef9f87701147e4b4b426f309edac4.tar.xz yuzu-6fa86989f10ef9f87701147e4b4b426f309edac4.zip | |
Merge pull request #9539 from Wollnashorn/opengl-fsr
video_core/opengl: Added FSR upscaling filter to the OpenGL renderer
Diffstat (limited to 'src/video_core/fsr.cpp')
| -rw-r--r-- | src/video_core/fsr.cpp | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/src/video_core/fsr.cpp b/src/video_core/fsr.cpp new file mode 100644 index 000000000..5653c64fc --- /dev/null +++ b/src/video_core/fsr.cpp | |||
| @@ -0,0 +1,148 @@ | |||
| 1 | // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project | ||
| 2 | // SPDX-License-Identifier: GPL-2.0-or-later | ||
| 3 | |||
| 4 | #include <cmath> | ||
| 5 | #include "video_core/fsr.h" | ||
| 6 | |||
| 7 | namespace FSR { | ||
| 8 | namespace { | ||
| 9 | // Reimplementations of the constant generating functions in ffx_fsr1.h | ||
| 10 | // GCC generated a lot of warnings when using the official header. | ||
| 11 | u32 AU1_AH1_AF1(f32 f) { | ||
| 12 | static constexpr u32 base[512]{ | ||
| 13 | 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | ||
| 14 | 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | ||
| 15 | 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | ||
| 16 | 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | ||
| 17 | 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | ||
| 18 | 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | ||
| 19 | 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | ||
| 20 | 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | ||
| 21 | 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | ||
| 22 | 0x0000, 0x0000, 0x0000, 0x0000, 0x0001, 0x0002, 0x0004, 0x0008, 0x0010, 0x0020, 0x0040, | ||
| 23 | 0x0080, 0x0100, 0x0200, 0x0400, 0x0800, 0x0c00, 0x1000, 0x1400, 0x1800, 0x1c00, 0x2000, | ||
| 24 | 0x2400, 0x2800, 0x2c00, 0x3000, 0x3400, 0x3800, 0x3c00, 0x4000, 0x4400, 0x4800, 0x4c00, | ||
| 25 | 0x5000, 0x5400, 0x5800, 0x5c00, 0x6000, 0x6400, 0x6800, 0x6c00, 0x7000, 0x7400, 0x7800, | ||
| 26 | 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, | ||
| 27 | 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, | ||
| 28 | 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, | ||
| 29 | 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, | ||
| 30 | 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, | ||
| 31 | 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, | ||
| 32 | 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, | ||
| 33 | 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, | ||
| 34 | 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, | ||
| 35 | 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, | ||
| 36 | 0x7bff, 0x7bff, 0x7bff, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, | ||
| 37 | 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, | ||
| 38 | 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, | ||
| 39 | 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, | ||
| 40 | 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, | ||
| 41 | 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, | ||
| 42 | 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, | ||
| 43 | 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, | ||
| 44 | 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, | ||
| 45 | 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8001, 0x8002, 0x8004, 0x8008, | ||
| 46 | 0x8010, 0x8020, 0x8040, 0x8080, 0x8100, 0x8200, 0x8400, 0x8800, 0x8c00, 0x9000, 0x9400, | ||
| 47 | 0x9800, 0x9c00, 0xa000, 0xa400, 0xa800, 0xac00, 0xb000, 0xb400, 0xb800, 0xbc00, 0xc000, | ||
| 48 | 0xc400, 0xc800, 0xcc00, 0xd000, 0xd400, 0xd800, 0xdc00, 0xe000, 0xe400, 0xe800, 0xec00, | ||
| 49 | 0xf000, 0xf400, 0xf800, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, | ||
| 50 | 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, | ||
| 51 | 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, | ||
| 52 | 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, | ||
| 53 | 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, | ||
| 54 | 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, | ||
| 55 | 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, | ||
| 56 | 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, | ||
| 57 | 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, | ||
| 58 | 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, | ||
| 59 | 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, | ||
| 60 | }; | ||
| 61 | static constexpr s8 shift[512]{ | ||
| 62 | 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, | ||
| 63 | 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, | ||
| 64 | 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, | ||
| 65 | 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, | ||
| 66 | 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, | ||
| 67 | 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, | ||
| 68 | 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x17, 0x16, | ||
| 69 | 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x0f, 0x0e, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, | ||
| 70 | 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, | ||
| 71 | 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, | ||
| 72 | 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, | ||
| 73 | 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, | ||
| 74 | 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, | ||
| 75 | 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, | ||
| 76 | 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, | ||
| 77 | 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, | ||
| 78 | 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, | ||
| 79 | 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, | ||
| 80 | 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, | ||
| 81 | 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, | ||
| 82 | 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, | ||
| 83 | 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, | ||
| 84 | 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, | ||
| 85 | 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x17, | ||
| 86 | 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x0f, 0x0e, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, | ||
| 87 | 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, | ||
| 88 | 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, | ||
| 89 | 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, | ||
| 90 | 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, | ||
| 91 | 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, | ||
| 92 | 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, | ||
| 93 | 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, | ||
| 94 | 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, | ||
| 95 | 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, | ||
| 96 | 0x18, 0x18, | ||
| 97 | }; | ||
| 98 | const u32 u = Common::BitCast<u32>(f); | ||
| 99 | const u32 i = u >> 23; | ||
| 100 | return base[i] + ((u & 0x7fffff) >> shift[i]); | ||
| 101 | } | ||
| 102 | |||
| 103 | u32 AU1_AH2_AF2(f32 a[2]) { | ||
| 104 | return AU1_AH1_AF1(a[0]) + (AU1_AH1_AF1(a[1]) << 16); | ||
| 105 | } | ||
| 106 | |||
| 107 | void FsrEasuCon(u32 con0[4], u32 con1[4], u32 con2[4], u32 con3[4], f32 inputViewportInPixelsX, | ||
| 108 | f32 inputViewportInPixelsY, f32 inputSizeInPixelsX, f32 inputSizeInPixelsY, | ||
| 109 | f32 outputSizeInPixelsX, f32 outputSizeInPixelsY) { | ||
| 110 | con0[0] = Common::BitCast<u32>(inputViewportInPixelsX / outputSizeInPixelsX); | ||
| 111 | con0[1] = Common::BitCast<u32>(inputViewportInPixelsY / outputSizeInPixelsY); | ||
| 112 | con0[2] = Common::BitCast<u32>(0.5f * inputViewportInPixelsX / outputSizeInPixelsX - 0.5f); | ||
| 113 | con0[3] = Common::BitCast<u32>(0.5f * inputViewportInPixelsY / outputSizeInPixelsY - 0.5f); | ||
| 114 | con1[0] = Common::BitCast<u32>(1.0f / inputSizeInPixelsX); | ||
| 115 | con1[1] = Common::BitCast<u32>(1.0f / inputSizeInPixelsY); | ||
| 116 | con1[2] = Common::BitCast<u32>(1.0f / inputSizeInPixelsX); | ||
| 117 | con1[3] = Common::BitCast<u32>(-1.0f / inputSizeInPixelsY); | ||
| 118 | con2[0] = Common::BitCast<u32>(-1.0f / inputSizeInPixelsX); | ||
| 119 | con2[1] = Common::BitCast<u32>(2.0f / inputSizeInPixelsY); | ||
| 120 | con2[2] = Common::BitCast<u32>(1.0f / inputSizeInPixelsX); | ||
| 121 | con2[3] = Common::BitCast<u32>(2.0f / inputSizeInPixelsY); | ||
| 122 | con3[0] = Common::BitCast<u32>(0.0f / inputSizeInPixelsX); | ||
| 123 | con3[1] = Common::BitCast<u32>(4.0f / inputSizeInPixelsY); | ||
| 124 | con3[2] = con3[3] = 0; | ||
| 125 | } | ||
| 126 | } // Anonymous namespace | ||
| 127 | |||
| 128 | void FsrEasuConOffset(u32 con0[4], u32 con1[4], u32 con2[4], u32 con3[4], | ||
| 129 | f32 inputViewportInPixelsX, f32 inputViewportInPixelsY, | ||
| 130 | f32 inputSizeInPixelsX, f32 inputSizeInPixelsY, f32 outputSizeInPixelsX, | ||
| 131 | f32 outputSizeInPixelsY, f32 inputOffsetInPixelsX, f32 inputOffsetInPixelsY) { | ||
| 132 | FsrEasuCon(con0, con1, con2, con3, inputViewportInPixelsX, inputViewportInPixelsY, | ||
| 133 | inputSizeInPixelsX, inputSizeInPixelsY, outputSizeInPixelsX, outputSizeInPixelsY); | ||
| 134 | con0[2] = Common::BitCast<u32>(0.5f * inputViewportInPixelsX / outputSizeInPixelsX - 0.5f + | ||
| 135 | inputOffsetInPixelsX); | ||
| 136 | con0[3] = Common::BitCast<u32>(0.5f * inputViewportInPixelsY / outputSizeInPixelsY - 0.5f + | ||
| 137 | inputOffsetInPixelsY); | ||
| 138 | } | ||
| 139 | |||
| 140 | void FsrRcasCon(u32* con, f32 sharpness) { | ||
| 141 | sharpness = std::exp2f(-sharpness); | ||
| 142 | f32 hSharp[2]{sharpness, sharpness}; | ||
| 143 | con[0] = Common::BitCast<u32>(sharpness); | ||
| 144 | con[1] = AU1_AH2_AF2(hSharp); | ||
| 145 | con[2] = 0; | ||
| 146 | con[3] = 0; | ||
| 147 | } | ||
| 148 | } // namespace FSR | ||