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https://github.com/italicsjenga/slang-shaders.git
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60 lines
1.6 KiB
Plaintext
60 lines
1.6 KiB
Plaintext
#version 450
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//
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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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layout(push_constant) uniform Push
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{
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vec4 SourceSize;
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vec4 OriginalSize;
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vec4 OutputSize;
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uint FrameCount;
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} params;
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layout(std140, set = 0, binding = 0) uniform UBO
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{
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mat4 MVP;
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} global;
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#pragma stage vertex
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layout(location = 0) in vec4 Position;
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layout(location = 1) in vec2 TexCoord;
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layout(location = 0) out vec2 vTexCoord;
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void main (void) {
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gl_Position = global.MVP * Position;
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vTexCoord = TexCoord;
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}
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#pragma stage fragment
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layout(location = 0) in vec2 vTexCoord;
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layout(location = 0) out vec4 FragColor;
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layout(set = 0, binding = 2) uniform sampler2D Source;
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void main()
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{
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vec4 rgba = texture(Source, vTexCoord.xy);
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vec4 yuva = vec4(0.0);
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yuva.x = rgba.r * 0.299 + rgba.g * 0.587 + rgba.b * 0.114;
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yuva.y = rgba.r * -0.169 + rgba.g * -0.331 + rgba.b * 0.5 + 0.5;
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yuva.z = rgba.r * 0.5 + rgba.g * -0.419 + rgba.b * -0.081 + 0.5;
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yuva.w = 1.0;
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FragColor = yuva;
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} |