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Scaling: Add overscale option (#482)

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* Scaling: Add overscale option

* Bump versions
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fishcu 2023-09-15 02:55:13 +02:00 committed by GitHub
parent 3118737ff4
commit c1488579ee
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8 changed files with 83 additions and 65 deletions
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24
border/shaders/average_fill/compose.slang
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@ -1,7 +1,7 @@
#version 450
/*
Average fill v1.6 by fishku
Average fill v1.7 by fishku
Copyright (C) 2023
Public domain license (CC0)
@ -27,6 +27,7 @@
3 = Smooth angle-based blending
Changelog:
v1.7: Add overscale option from crop and scale library.
v1.6: Refactor for new scaling library. Add rotation support.
v1.5: Optimize. Update to new Pixel AA version.
v1.4: Add anti-aliased interpolation for non-integer scaling.
@ -41,28 +42,32 @@
#include "../../../pixel-art-scaling/shaders/pixel_aa/parameters.slang"
// clang-format on
#include "../../../misc/shaders/scaling.slang"
#include "../../../misc/shaders/crop_and_scale/crop_and_scale.slang"
#include "../../../pixel-art-scaling/shaders/pixel_aa/shared.slang"
layout(push_constant) uniform Push {
vec4 InputSize;
vec4 OutputSize;
uint Rotation;
float OS_CROP_TOP;
float OS_CROP_BOTTOM;
float OS_CROP_LEFT;
float OS_CROP_RIGHT;
float CENTER_AFTER_CROPPING;
float SAMPLE_SIZE;
// Own settings
float EXTEND_H;
float EXTEND_V;
float CORNER_BLEND_MODE;
float FILL_GAMMA;
float SAMPLE_SIZE;
// From crop and scale, scaling section
float FORCE_ASPECT_RATIO;
float ASPECT_H;
float ASPECT_V;
float FORCE_INTEGER_SCALING_H;
float FORCE_INTEGER_SCALING_V;
float FILL_GAMMA;
float OVERSCALE;
// From crop and scale, cropping section
float OS_CROP_TOP;
float OS_CROP_BOTTOM;
float OS_CROP_LEFT;
float OS_CROP_RIGHT;
float CENTER_AFTER_CROPPING;
// From pixel AA
float PIX_AA_SHARP;
float PIX_AA_SUBPX;
@ -95,6 +100,7 @@ void main() {
param.CENTER_AFTER_CROPPING, param.FORCE_ASPECT_RATIO,
vec2(param.ASPECT_H, param.ASPECT_V),
vec2(param.FORCE_INTEGER_SCALING_H, param.FORCE_INTEGER_SCALING_V),
param.OVERSCALE,
/* output_size_is_final_viewport_size = */ false);
tx_coord = o2i(vTexCoord, param.InputSize.xy, crop, param.Rotation,
param.CENTER_AFTER_CROPPING, scale_o2i);

6
border/shaders/average_fill/crop_and_sample_common.slang
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@ -1,16 +1,18 @@
// See compose.slang for copyright and other information.
#include "../../../misc/shaders/scaling.slang"
#include "../../../misc/shaders/crop_and_scale/crop_and_scale.slang"
#include "parameters.slang"
layout(push_constant) uniform Push {
vec4 InputSize;
uint Rotation;
// Own settings
float SAMPLE_SIZE;
// From crop and scale, cropping section
float OS_CROP_TOP;
float OS_CROP_BOTTOM;
float OS_CROP_LEFT;
float OS_CROP_RIGHT;
float SAMPLE_SIZE;
}
param;

17
border/shaders/average_fill/parameters.slang
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@ -1,22 +1,9 @@
// See compose.slang for copyright and other information.
// clang-format off
#pragma parameter AVERAGE_FILL_SETTINGS "=== Average fill v1.6 settings ===" 0.0 0.0 1.0 1.0
#pragma parameter AVERAGE_FILL_SETTINGS "=== Average fill v1.7 settings ===" 0.0 0.0 1.0 1.0
#pragma parameter SCALING_SETTINGS "= Scaling parameters =" 0.0 0.0 1.0 1.0
#pragma parameter FORCE_ASPECT_RATIO "Force aspect ratio" 1.0 0.0 1.0 1.0
#pragma parameter ASPECT_H "Horizontal aspect ratio before crop (0 = unchanged)" 0.0 0.0 256.0 1.0
#pragma parameter ASPECT_V "Vertical aspect ratio before crop (0 = unchanged)" 0.0 0.0 256.0 1.0
#pragma parameter FORCE_INTEGER_SCALING_H "Force integer scaling horizontally" 0.0 0.0 1.0 1.0
#pragma parameter FORCE_INTEGER_SCALING_V "Force integer scaling vertically" 1.0 0.0 1.0 1.0
#pragma parameter CROPPING_SETTINGS "= Cropping parameters =" 0.0 0.0 1.0 1.0
#pragma parameter OS_CROP_TOP "Overscan crop top" 0.0 0.0 1024.0 1.0
#pragma parameter OS_CROP_BOTTOM "Overscan crop bottom" 0.0 0.0 1024.0 1.0
#pragma parameter OS_CROP_LEFT "Overscan crop left" 0.0 0.0 1024.0 1.0
#pragma parameter OS_CROP_RIGHT "Overscan crop right" 0.0 0.0 1024.0 1.0
#pragma parameter CENTER_AFTER_CROPPING "Center cropped area" 1.0 0.0 1.0 1.0
#include "../../../misc/shaders/crop_and_scale/parameters.slang"
#pragma parameter OTHER_SETTINGS "= Other parameters =" 0.0 0.0 1.0 1.0
#pragma parameter EXTEND_H "Extend the fill horizontally" 1.0 0.0 1.0 1.0

22
border/shaders/blur_fill/compose.slang
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@ -1,7 +1,7 @@
#version 450
/*
Blur fill v1.7 by fishku
Blur fill v1.8 by fishku
Copyright (C) 2023
Public domain license (CC0)
@ -27,6 +27,7 @@
strength of the blur.
Changelog:
v1.8: Add overscale option from crop and scale library.
v1.7: Refactor for new scaling library. Add rotation support.
v1.6: Optimize. Update to new Pixel AA version. Tune default blur strength.
v1.5: Add anti-aliased interpolation for non-integer scaling.
@ -43,7 +44,7 @@
#include "../../../pixel-art-scaling/shaders/pixel_aa/parameters.slang"
// clang-format on
#include "../../../misc/shaders/scaling.slang"
#include "../../../misc/shaders/crop_and_scale/crop_and_scale.slang"
#include "../../../pixel-art-scaling/shaders/pixel_aa/shared.slang"
layout(push_constant) uniform Push {
@ -51,18 +52,22 @@ layout(push_constant) uniform Push {
vec4 TiledSize;
vec4 OutputSize;
uint Rotation;
float OS_CROP_TOP;
float OS_CROP_BOTTOM;
float OS_CROP_LEFT;
float OS_CROP_RIGHT;
float CENTER_AFTER_CROPPING;
// Own settings
float FILL_GAMMA;
float SAMPLE_SIZE;
// From crop and scale, scaling section
float FORCE_ASPECT_RATIO;
float ASPECT_H;
float ASPECT_V;
float FORCE_INTEGER_SCALING_H;
float FORCE_INTEGER_SCALING_V;
float FILL_GAMMA;
float OVERSCALE;
// From crop and scale, cropping section
float OS_CROP_TOP;
float OS_CROP_BOTTOM;
float OS_CROP_LEFT;
float OS_CROP_RIGHT;
float CENTER_AFTER_CROPPING;
// From dual filter blur
float BLUR_RADIUS;
// From pixel AA
@ -94,6 +99,7 @@ void main() {
param.CENTER_AFTER_CROPPING, param.FORCE_ASPECT_RATIO,
vec2(param.ASPECT_H, param.ASPECT_V),
vec2(param.FORCE_INTEGER_SCALING_H, param.FORCE_INTEGER_SCALING_V),
param.OVERSCALE,
/* output_size_is_final_viewport_size = */ false);
tx_coord = o2i(vTexCoord, param.InputSize.xy, crop, param.Rotation,
param.CENTER_AFTER_CROPPING, scale_o2i);

17
border/shaders/blur_fill/parameters.slang
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@ -1,22 +1,9 @@
// See compose.slang for copyright and other information.
// clang-format off
#pragma parameter BLUR_FILL_SETTINGS "=== Blur fill v1.7 settings ===" 0.0 0.0 1.0 1.0
#pragma parameter BLUR_FILL_SETTINGS "=== Blur fill v1.8 settings ===" 0.0 0.0 1.0 1.0
#pragma parameter SCALING_SETTINGS "= Scaling parameters =" 0.0 0.0 1.0 1.0
#pragma parameter FORCE_ASPECT_RATIO "Force aspect ratio" 1.0 0.0 1.0 1.0
#pragma parameter ASPECT_H "Horizontal aspect ratio before crop (0 = unchanged)" 0.0 0.0 256.0 1.0
#pragma parameter ASPECT_V "Vertical aspect ratio before crop (0 = unchanged)" 0.0 0.0 256.0 1.0
#pragma parameter FORCE_INTEGER_SCALING_H "Force integer scaling horizontally" 0.0 0.0 1.0 1.0
#pragma parameter FORCE_INTEGER_SCALING_V "Force integer scaling vertically" 1.0 0.0 1.0 1.0
#pragma parameter CROPPING_SETTINGS "= Cropping parameters =" 0.0 0.0 1.0 1.0
#pragma parameter OS_CROP_TOP "Overscan crop top" 0.0 0.0 1024.0 1.0
#pragma parameter OS_CROP_BOTTOM "Overscan crop bottom" 0.0 0.0 1024.0 1.0
#pragma parameter OS_CROP_LEFT "Overscan crop left" 0.0 0.0 1024.0 1.0
#pragma parameter OS_CROP_RIGHT "Overscan crop right" 0.0 0.0 1024.0 1.0
#pragma parameter CENTER_AFTER_CROPPING "Center cropped area" 1.0 0.0 1.0 1.0
#include "../../../misc/shaders/crop_and_scale/parameters.slang"
#pragma parameter OTHER_SETTINGS "= Other parameters =" 0.0 0.0 1.0 1.0
#pragma parameter EXTEND_H "Extend the fill horizontally" 0.0 0.0 1.0 1.0

20
border/shaders/blur_fill/render_sampling_areas.slang
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@ -2,27 +2,31 @@
// See compose.slang for copyright and other information.
#include "../../../misc/shaders/scaling.slang"
#include "../../../misc/shaders/crop_and_scale/crop_and_scale.slang"
#include "parameters.slang"
layout(push_constant) uniform Push {
vec4 InputSize;
vec4 FinalViewportSize;
uint Rotation;
float OS_CROP_TOP;
float OS_CROP_BOTTOM;
float OS_CROP_LEFT;
float OS_CROP_RIGHT;
float CENTER_AFTER_CROPPING;
float SAMPLE_SIZE;
// Own settings
float EXTEND_H;
float EXTEND_V;
float MIRROR_BLUR;
float SAMPLE_SIZE;
// From crop and scale, scaling section
float FORCE_ASPECT_RATIO;
float ASPECT_H;
float ASPECT_V;
float FORCE_INTEGER_SCALING_H;
float FORCE_INTEGER_SCALING_V;
float OVERSCALE;
// From crop and scale, cropping section
float OS_CROP_TOP;
float OS_CROP_BOTTOM;
float OS_CROP_LEFT;
float OS_CROP_RIGHT;
float CENTER_AFTER_CROPPING;
}
param;
@ -45,7 +49,7 @@ void main() {
param.InputSize.xy, param.FinalViewportSize.xy, crop, param.Rotation,
param.CENTER_AFTER_CROPPING, param.FORCE_ASPECT_RATIO,
vec2(param.ASPECT_H, param.ASPECT_V),
vec2(param.FORCE_INTEGER_SCALING_H, param.FORCE_INTEGER_SCALING_V),
vec2(param.FORCE_INTEGER_SCALING_H, param.FORCE_INTEGER_SCALING_V), param.OVERSCALE,
/* output_size_is_final_viewport_size = */ true);
tx_coord = o2i(vTexCoord, param.InputSize.xy, crop, param.Rotation,
param.CENTER_AFTER_CROPPING, scale_o2i);

24
misc/shaders/scaling.slang → misc/shaders/crop_and_scale/crop_and_scale.slang
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@ -1,5 +1,5 @@
/*
Scaling library v1.0 by fishku
Cropping and scaling library v1.1 by fishku
Copyright (C) 2023
Public domain license (CC0)
@ -15,10 +15,12 @@
- Forcing of a certain aspect ratio
- Forcing of either vert. or horiz. integer scaling, or both
- Rotation support (0, 90, 180, 270 degrees).
- Overscaling
Refactored from the version that used to be in the blur_fill shader.
Changelog:
v1.1: Add overscaling option. Unify parameters.
v1.0: Initial conversion from blur_fill release. Add rotation support.
*/
@ -69,7 +71,7 @@ vec2 get_input_center(vec2 input_size, vec4 crop, uint rotation,
// Scaling from unit output to pixel input space.
vec2 get_scale_o2i(vec2 input_size, vec2 output_size, vec4 crop, uint rotation,
float center_after_cropping, float force_aspect_ratio,
vec2 aspect, vec2 force_integer_scaling,
vec2 aspect, vec2 force_integer_scaling, float overscale,
bool output_size_is_final_viewport_size) {
crop = get_rotated_crop(crop, rotation);
if (output_size_is_final_viewport_size) {
@ -96,7 +98,9 @@ vec2 get_scale_o2i(vec2 input_size, vec2 output_size, vec4 crop, uint rotation,
output_size.y / (input_size.y * aspect.y)) {
// Scale will be limited by width. Calc x scale, then derive y scale
// using aspect ratio.
scale_x = output_size.x / input_size.x;
scale_x = mix(output_size.x / input_size.x,
output_size.y * aspect.x / (input_size.y * aspect.y),
overscale);
if (force_integer_scaling.x > 0.5 && scale_x > 1.0) {
scale_x = floor(scale_x);
}
@ -106,7 +110,9 @@ vec2 get_scale_o2i(vec2 input_size, vec2 output_size, vec4 crop, uint rotation,
}
} else {
// Scale will be limited by height.
scale_y = output_size.y / input_size.y;
scale_y = mix(output_size.y / input_size.y,
output_size.x * aspect.y / (input_size.x * aspect.x),
overscale);
if (force_integer_scaling.y > 0.5 && scale_y > 1.0) {
scale_y = floor(scale_y);
}
@ -131,11 +137,12 @@ vec2 o2i(vec2 x, vec2 input_size, vec4 crop, uint rotation,
// Version that computes scale.
vec2 o2i(vec2 x, vec2 input_size, vec2 output_size, vec4 crop, uint rotation,
float center_after_cropping, float force_aspect_ratio, vec2 aspect,
vec2 force_integer_scaling, bool output_size_is_final_viewport_size) {
vec2 force_integer_scaling, float overscale,
bool output_size_is_final_viewport_size) {
return o2i(x, input_size, crop, rotation, center_after_cropping,
get_scale_o2i(input_size, output_size, crop, rotation,
center_after_cropping, force_aspect_ratio, aspect,
force_integer_scaling,
force_integer_scaling, overscale,
output_size_is_final_viewport_size));
}
@ -152,12 +159,13 @@ vec2 i2o(vec2 x, vec2 input_size, vec4 crop, uint rotation,
// Version that computes scale.
vec2 i2o(vec2 x, vec2 input_size, vec2 output_size, vec4 crop, uint rotation,
float center_after_cropping, float force_aspect_ratio, vec2 aspect,
vec2 force_integer_scaling, bool output_size_is_final_viewport_size) {
vec2 force_integer_scaling, float overscale,
bool output_size_is_final_viewport_size) {
return (x - get_input_center(input_size, crop, rotation,
center_after_cropping)) /
get_scale_o2i(input_size, output_size, crop, rotation,
center_after_cropping, force_aspect_ratio, aspect,
force_integer_scaling,
force_integer_scaling, overscale,
output_size_is_final_viewport_size) +
0.49999;
}

18
misc/shaders/crop_and_scale/parameters.slang Normal file
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@ -0,0 +1,18 @@
// clang-format off
#pragma parameter SCALING_SETTINGS "= Scaling parameters =" 0.0 0.0 1.0 1.0
#pragma parameter FORCE_ASPECT_RATIO "Force aspect ratio" 1.0 0.0 1.0 1.0
#pragma parameter ASPECT_H "Horizontal aspect ratio before crop (0 = unchanged)" 0.0 0.0 256.0 1.0
#pragma parameter ASPECT_V "Vertical aspect ratio before crop (0 = unchanged)" 0.0 0.0 256.0 1.0
#pragma parameter FORCE_INTEGER_SCALING_H "Force integer scaling horizontally" 0.0 0.0 1.0 1.0
#pragma parameter FORCE_INTEGER_SCALING_V "Force integer scaling vertically" 0.0 0.0 1.0 1.0
#pragma parameter OVERSCALE "Overscale (0 = full image, 1 = full screen)" 0.0 0.0 1.0 0.01
#pragma parameter CROPPING_SETTINGS "= Cropping parameters =" 0.0 0.0 1.0 1.0
#pragma parameter OS_CROP_TOP "Overscan crop top" 0.0 0.0 1024.0 1.0
#pragma parameter OS_CROP_BOTTOM "Overscan crop bottom" 0.0 0.0 1024.0 1.0
#pragma parameter OS_CROP_LEFT "Overscan crop left" 0.0 0.0 1024.0 1.0
#pragma parameter OS_CROP_RIGHT "Overscan crop right" 0.0 0.0 1024.0 1.0
#pragma parameter CENTER_AFTER_CROPPING "Center cropped area" 1.0 0.0 1.0 1.0
// clang-format on