slang-shaders/bezel/Mega_Bezel/shaders/base/linearize.slang
2022-08-24 22:32:58 -04:00

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#version 450
/*
Mega Bezel - Creates a graphic treatment for the game play area to give a retro feel
Copyright (C) 2019-2022 HyperspaceMadness - HyperspaceMadness@outlook.com
Incorporates much great feedback from the libretro forum, and thanks
to Hunterk who helped me get started
See more at the libretro forum
https://forums.libretro.com/t/hsm-mega-bezel-reflection-shader-feedback-and-updates
This program 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.
This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "common/globals-and-screen-scale-params.inc"
layout(push_constant) uniform Push
{
vec4 SourceSize;
vec4 OriginalSize;
vec4 OutputSize;
uint FrameCount;
} params;
#pragma stage vertex
layout(location = 0) in vec4 Position;
layout(location = 1) in vec2 TexCoord;
layout(location = 0) out vec2 vTexCoord;
void main()
{
gl_Position = global.MVP * Position;
vTexCoord = TexCoord;
}
#pragma stage fragment
layout(location = 0) in vec2 vTexCoord;
layout(location = 0) out vec4 FragColor;
layout(set = 0, binding = 2) uniform sampler2D Source;
void main()
{
FragColor = HSM_Linearize(texture(Source, vTexCoord), GAMMA_INPUT);
}