private string GetShaderHeader()
{
return("#version 430\n" +
$"layout(local_size_x = {LocalSize}, local_size_y = {LocalSize}) in;\n" +
"layout(binding = 0) uniform sampler2D src_image;\n" +
"layout(rgba32f, binding = 1) uniform writeonly image2D dst_image;\n" +
"layout(location = 1) uniform ivec2 pixelOffset;\n" +
(filterModel.IsSepa ? "layout(location = 0) uniform ivec2 filterDirection;\n" : "")
+ SrgbShader.FromSrgbFunction() + GetVariableLocations() + GetTextureFunctions());
}
private static string GetComputeSource()
{
return(OpenGlContext.ShaderVersion + "\n" +
$"layout(local_size_x = {LocalSize}, local_size_y = {LocalSize}) in;\n" +
SrgbShader.ToSrgbFunction() +
@"layout(binding = 0) uniform sampler2D src;
layout(rgba32f, binding = 1) uniform writeonly image2D dst;
layout(location = 0) uniform ivec2 offset;
layout(location = 1) uniform bool srgb;
void main(){
ivec2 coord = ivec2(gl_GlobalInvocationID.xy);
if(coord.x < imageSize(dst).x &&
coord.y < imageSize(dst).y) {
vec4 pixel = texelFetch(src, coord + offset, 0);
if(srgb) pixel = toSrgb(pixel);
imageStore(dst, coord, pixel);
}
}");
}
