mirror of
https://github.com/libretro/glsl-shaders.git
synced 2024-11-27 09:50:34 +00:00
116 lines
3.0 KiB
GLSL
116 lines
3.0 KiB
GLSL
//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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#if defined(VERTEX)
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#if __VERSION__ >= 130
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#define COMPAT_VARYING out
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#define COMPAT_ATTRIBUTE in
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#define COMPAT_TEXTURE texture
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#else
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#define COMPAT_VARYING varying
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#define COMPAT_ATTRIBUTE attribute
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#define COMPAT_TEXTURE texture2D
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#endif
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#ifdef GL_ES
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#define COMPAT_PRECISION mediump
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#else
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#define COMPAT_PRECISION
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#endif
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COMPAT_ATTRIBUTE vec4 VertexCoord;
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COMPAT_ATTRIBUTE vec4 COLOR;
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COMPAT_ATTRIBUTE vec4 TexCoord;
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COMPAT_VARYING vec4 COL0;
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COMPAT_VARYING vec4 TEX0;
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vec4 _oPosition1;
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uniform mat4 MVPMatrix;
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uniform COMPAT_PRECISION int FrameDirection;
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uniform COMPAT_PRECISION int FrameCount;
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uniform COMPAT_PRECISION vec2 OutputSize;
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uniform COMPAT_PRECISION vec2 TextureSize;
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uniform COMPAT_PRECISION vec2 InputSize;
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// compatibility #defines
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#define vTexCoord TEX0.xy
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#define SourceSize vec4(TextureSize, 1.0 / TextureSize) //either TextureSize or InputSize
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#define OutSize vec4(OutputSize, 1.0 / OutputSize)
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void main()
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{
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gl_Position = MVPMatrix * VertexCoord;
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TEX0.xy = TexCoord.xy;
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}
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#elif defined(FRAGMENT)
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#ifdef GL_ES
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#ifdef GL_FRAGMENT_PRECISION_HIGH
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precision highp float;
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#else
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precision mediump float;
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#endif
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#define COMPAT_PRECISION mediump
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#else
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#define COMPAT_PRECISION
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#endif
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#if __VERSION__ >= 130
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#define COMPAT_VARYING in
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#define COMPAT_TEXTURE texture
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out COMPAT_PRECISION vec4 FragColor;
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#else
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#define COMPAT_VARYING varying
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#define FragColor gl_FragColor
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#define COMPAT_TEXTURE texture2D
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#endif
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uniform COMPAT_PRECISION int FrameDirection;
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uniform COMPAT_PRECISION int FrameCount;
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uniform COMPAT_PRECISION vec2 OutputSize;
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uniform COMPAT_PRECISION vec2 TextureSize;
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uniform COMPAT_PRECISION vec2 InputSize;
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uniform sampler2D Texture;
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uniform sampler2D Pass6Texture;
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#define PassOutput6 Pass6Texture
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COMPAT_VARYING vec4 TEX0;
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// compatibility #defines
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#define Source Texture
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#define vTexCoord TEX0.xy
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#define SourceSize vec4(TextureSize, 1.0 / TextureSize) //either TextureSize or InputSize
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#define OutSize vec4(OutputSize, 1.0 / OutputSize)
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void main()
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{
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vec4 inputY = COMPAT_TEXTURE(PassOutput6, vTexCoord.xy);
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vec4 inputUV = COMPAT_TEXTURE(Source, vTexCoord.xy);
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vec4 yuva = vec4(inputY.x, (inputUV.y - 0.5), (inputUV.z - 0.5), 1.0);
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vec4 rgba = vec4(0.0);
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rgba.r = yuva.x * 1.0 + yuva.y * 0.0 + yuva.z * 1.4;
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rgba.g = yuva.x * 1.0 + yuva.y * -0.343 + yuva.z * -0.711;
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rgba.b = yuva.x * 1.0 + yuva.y * 1.765 + yuva.z * 0.0;
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rgba.a = 1.0;
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FragColor = rgba;
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}
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#endif
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