mirror of
https://github.com/melonDS-emu/melonDS.git
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115 lines
2.1 KiB
C
115 lines
2.1 KiB
C
/*
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Copyright 2016-2020 Arisotura
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This file is part of melonDS.
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melonDS is free software: you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation, either version 3 of the License, or (at your option)
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any later version.
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melonDS is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with melonDS. If not, see http://www.gnu.org/licenses/.
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*/
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#ifndef MAIN_SHADERS_H
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#define MAIN_SHADERS_H
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const char* kScreenVS = R"(#version 140
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uniform vec2 uScreenSize;
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uniform mat2x3 uTransform;
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in vec2 vPosition;
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in vec2 vTexcoord;
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smooth out vec2 fTexcoord;
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void main()
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{
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vec4 fpos;
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fpos.xy = vec3(vPosition, 1.0) * uTransform;
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fpos.xy = ((fpos.xy * 2.0) / uScreenSize) - 1.0;
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fpos.y *= -1;
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fpos.z = 0.0;
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fpos.w = 1.0;
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gl_Position = fpos;
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fTexcoord = vTexcoord;
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}
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)";
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const char* kScreenFS = R"(#version 140
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uniform sampler2D ScreenTex;
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smooth in vec2 fTexcoord;
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out vec4 oColor;
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void main()
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{
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vec4 pixel = texture(ScreenTex, fTexcoord);
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oColor = vec4(pixel.bgr, 1.0);
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}
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)";
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const char* kScreenVS_OSD = R"(#version 140
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layout(std140) uniform uConfig
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{
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vec2 uScreenSize;
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uint u3DScale;
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uint uFilterMode;
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};
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uniform ivec2 uOSDPos;
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uniform ivec2 uOSDSize;
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in vec2 vPosition;
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smooth out vec2 fTexcoord;
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void main()
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{
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vec4 fpos;
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vec2 osdpos = (vPosition * vec2(uOSDSize));
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fTexcoord = osdpos;
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osdpos += uOSDPos;
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fpos.xy = ((osdpos * 2.0) / uScreenSize) - 1.0;
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fpos.y *= -1;
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fpos.z = 0.0;
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fpos.w = 1.0;
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gl_Position = fpos;
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}
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)";
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const char* kScreenFS_OSD = R"(#version 140
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uniform sampler2D OSDTex;
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smooth in vec2 fTexcoord;
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out vec4 oColor;
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void main()
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{
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vec4 pixel = texelFetch(OSDTex, ivec2(fTexcoord), 0);
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oColor = pixel.bgra;
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}
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)";
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#endif // MAIN_SHADERS_H
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