Files
melonDS/src/frontend/qt_sdl/OSD_shaders.h
2022-01-09 02:15:50 +01:00

67 lines
1.5 KiB
C

/*
Copyright 2016-2022 melonDS team
This file is part of melonDS.
melonDS is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option)
any later version.
melonDS is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with melonDS. If not, see http://www.gnu.org/licenses/.
*/
#ifndef OSD_SHADERS_H
#define OSD_SHADERS_H
const char* kScreenVS_OSD = R"(#version 140
uniform vec2 uScreenSize;
uniform ivec2 uOSDPos;
uniform ivec2 uOSDSize;
uniform float uScaleFactor;
in vec2 vPosition;
smooth out vec2 fTexcoord;
void main()
{
vec4 fpos;
vec2 osdpos = (vPosition * vec2(uOSDSize * uScaleFactor));
fTexcoord = osdpos;
osdpos += uOSDPos;
fpos.xy = ((osdpos * 2.0) / uScreenSize * uScaleFactor) - 1.0;
fpos.y *= -1;
fpos.z = 0.0;
fpos.w = 1.0;
gl_Position = fpos;
}
)";
const char* kScreenFS_OSD = R"(#version 140
uniform sampler2D OSDTex;
smooth in vec2 fTexcoord;
out vec4 oColor;
void main()
{
vec4 pixel = texelFetch(OSDTex, ivec2(fTexcoord), 0);
oColor = pixel.bgra;
}
)";
#endif // OSD_SHADERS_H