general: Convert source file copyright comments over to SPDX

This formats all copyright comments according to SPDX formatting guidelines.
Additionally, this resolves the remaining GPLv2 only licensed files by relicensing them to GPLv2.0-or-later.

src/video_core/host_shaders/astc_decoder.comp

@@ -1,6 +1,5 @@
-// Copyright 2021 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #version 450
 

src/video_core/host_shaders/block_linear_unswizzle_2d.comp

@@ -1,6 +1,5 @@
-// Copyright 2020 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #version 430
 

src/video_core/host_shaders/block_linear_unswizzle_3d.comp

@@ -1,6 +1,5 @@
-// Copyright 2020 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #version 430
 

src/video_core/host_shaders/convert_abgr8_to_d24s8.frag

@@ -1,6 +1,5 @@
-// Copyright 2021 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #version 450
 #extension GL_ARB_shader_stencil_export : require

src/video_core/host_shaders/convert_d24s8_to_abgr8.frag

@@ -1,6 +1,5 @@
-// Copyright 2021 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #version 450
 

src/video_core/host_shaders/convert_depth_to_float.frag

@@ -1,6 +1,5 @@
-// Copyright 2020 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #version 450
 

src/video_core/host_shaders/convert_float_to_depth.frag

@@ -1,6 +1,5 @@
-// Copyright 2020 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #version 450
 

src/video_core/host_shaders/convert_s8d24_to_abgr8.frag

@@ -1,6 +1,5 @@
-// Copyright 2022 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #version 450
 

src/video_core/host_shaders/fidelityfx_fsr.comp

@@ -1,6 +1,5 @@
-// Copyright 2021 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 //!#version 460 core
 #extension GL_ARB_separate_shader_objects : enable

src/video_core/host_shaders/full_screen_triangle.vert

@@ -1,6 +1,5 @@
-// Copyright 2020 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #version 450
 

src/video_core/host_shaders/fxaa.frag

@@ -1,6 +1,5 @@
-// Copyright 2021 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 // Source code is adapted from
 // https://www.geeks3d.com/20110405/fxaa-fast-approximate-anti-aliasing-demo-glsl-opengl-test-radeon-geforce/3/

src/video_core/host_shaders/fxaa.vert

@@ -1,6 +1,5 @@
-// Copyright 2021 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #version 460
 

src/video_core/host_shaders/opengl_convert_s8d24.comp

@@ -1,6 +1,5 @@
-// Copyright 2022 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #version 430 core
 

src/video_core/host_shaders/opengl_copy_bc4.comp

@@ -1,6 +1,5 @@
-// Copyright 2020 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #version 430 core
 #extension GL_ARB_gpu_shader_int64 : require

src/video_core/host_shaders/opengl_present.frag

@@ -1,6 +1,5 @@
-// Copyright 2020 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #version 430 core
 

src/video_core/host_shaders/opengl_present.vert

@@ -1,6 +1,5 @@
-// Copyright 2020 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #version 430 core
 

src/video_core/host_shaders/pitch_unswizzle.comp

@@ -1,6 +1,5 @@
-// Copyright 2020 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #version 430
 

src/video_core/host_shaders/present_bicubic.frag

@@ -1,6 +1,5 @@
-// Copyright 2021 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #version 460 core
 

src/video_core/host_shaders/present_gaussian.frag

@@ -1,6 +1,5 @@
-// Copyright 2021 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 // Code adapted from the following sources:
 // - https://learnopengl.com/Advanced-Lighting/Bloom

src/video_core/host_shaders/vulkan_blit_color_float.frag

@@ -1,6 +1,5 @@
-// Copyright 2020 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #version 450
 

src/video_core/host_shaders/vulkan_blit_depth_stencil.frag

@@ -1,6 +1,5 @@
-// Copyright 2020 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #version 450
 #extension GL_ARB_shader_stencil_export : require

src/video_core/host_shaders/vulkan_fidelityfx_fsr_easu_fp16.comp

@@ -1,6 +1,5 @@
-// Copyright 2021 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #version 460 core
 #extension GL_GOOGLE_include_directive : enable

src/video_core/host_shaders/vulkan_fidelityfx_fsr_easu_fp32.comp

@@ -1,6 +1,5 @@
-// Copyright 2021 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #version 460 core
 #extension GL_GOOGLE_include_directive : enable

src/video_core/host_shaders/vulkan_fidelityfx_fsr_rcas_fp16.comp

@@ -1,6 +1,5 @@
-// Copyright 2021 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #version 460 core
 #extension GL_GOOGLE_include_directive : enable

src/video_core/host_shaders/vulkan_fidelityfx_fsr_rcas_fp32.comp

@@ -1,6 +1,5 @@
-// Copyright 2021 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #version 460 core
 #extension GL_GOOGLE_include_directive : enable

src/video_core/host_shaders/vulkan_present.frag

@@ -1,6 +1,5 @@
-// Copyright 2019 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #version 460 core
 

src/video_core/host_shaders/vulkan_present.vert

@@ -1,6 +1,5 @@
-// Copyright 2019 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #version 460 core
 

src/video_core/host_shaders/vulkan_quad_indexed.comp

@@ -1,6 +1,5 @@
-// Copyright 2020 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #version 460 core
 

src/video_core/host_shaders/vulkan_uint8.comp

@@ -1,6 +1,5 @@
-// Copyright 2019 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
+// SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #version 460 core
 #extension GL_EXT_shader_16bit_storage : require