slang-shaders/downsample/shaders/mixed-res/coder.slang
Hyllian 8583cfee2a Update mixed-res shaders
- Support to anti-aliasing added;
- Speed optimizations;
- Bilateral added to increase IQ.
2024-05-28 15:11:02 -03:00

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#version 450
layout(push_constant) uniform Push
{
vec4 SourceSize;
vec4 OriginalSize;
vec4 OutputSize;
uint FrameCount;
} params;
layout(std140, set = 0, binding = 0) uniform UBO
{
mat4 MVP;
} global;
const vec3 coder = vec3(0.299, 0.587, 0.114);
//const vec3 coder = vec3(65536.,255.,1.);
#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 * 1.0001;
}
#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()
{
vec4 color = texture(Source, vTexCoord);
color.a = dot(color.rgb, coder);
FragColor = color;
}