noahbackus
9d30169a8d
Some checks failed
🔗 GHA / 📊 Static checks (push) Has been cancelled
🔗 GHA / 🤖 Android (push) Has been cancelled
🔗 GHA / 🍏 iOS (push) Has been cancelled
🔗 GHA / 🐧 Linux (push) Has been cancelled
🔗 GHA / 🍎 macOS (push) Has been cancelled
🔗 GHA / 🏁 Windows (push) Has been cancelled
🔗 GHA / 🌐 Web (push) Has been cancelled
121 lines
3.7 KiB
GLSL
121 lines
3.7 KiB
GLSL
/**
|
|
* Copyright (C) 2013 Jorge Jimenez (jorge@iryoku.com)
|
|
* Copyright (C) 2013 Jose I. Echevarria (joseignacioechevarria@gmail.com)
|
|
* Copyright (C) 2013 Belen Masia (bmasia@unizar.es)
|
|
* Copyright (C) 2013 Fernando Navarro (fernandn@microsoft.com)
|
|
* Copyright (C) 2013 Diego Gutierrez (diegog@unizar.es)
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* this software and associated documentation files (the "Software"), to deal in
|
|
* the Software without restriction, including without limitation the rights to
|
|
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
|
|
* of the Software, and to permit persons to whom the Software is furnished to
|
|
* do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software. As clarification, there
|
|
* is no requirement that the copyright notice and permission be included in
|
|
* binary distributions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*/
|
|
|
|
#[vertex]
|
|
#version 450
|
|
|
|
layout(location = 0) out vec2 tex_coord;
|
|
layout(location = 1) out vec4 offset[3];
|
|
|
|
layout(push_constant, std430) uniform Params {
|
|
vec2 inv_size;
|
|
float threshold;
|
|
float reserved;
|
|
}
|
|
params;
|
|
|
|
void main() {
|
|
vec2 vertex_base;
|
|
if (gl_VertexIndex == 0) {
|
|
vertex_base = vec2(-1.0, -1.0);
|
|
} else if (gl_VertexIndex == 1) {
|
|
vertex_base = vec2(-1.0, 3.0);
|
|
} else {
|
|
vertex_base = vec2(3.0, -1.0);
|
|
}
|
|
gl_Position = vec4(vertex_base, 0.0, 1.0);
|
|
tex_coord = clamp(vertex_base, vec2(0.0, 0.0), vec2(1.0, 1.0)) * 2.0; // saturate(x) * 2.0
|
|
|
|
offset[0] = fma(params.inv_size.xyxy, vec4(-1.0, 0.0, 0.0, -1.0), tex_coord.xyxy);
|
|
offset[1] = fma(params.inv_size.xyxy, vec4(1.0, 0.0, 0.0, 1.0), tex_coord.xyxy);
|
|
offset[2] = fma(params.inv_size.xyxy, vec4(-2.0, 0.0, 0.0, -2.0), tex_coord.xyxy);
|
|
}
|
|
|
|
#[fragment]
|
|
#version 450
|
|
|
|
layout(location = 0) in vec2 tex_coord;
|
|
layout(location = 1) in vec4 offset[3];
|
|
|
|
layout(set = 0, binding = 0) uniform sampler2D color_tex;
|
|
|
|
layout(location = 0) out vec2 edges;
|
|
|
|
layout(push_constant, std430) uniform Params {
|
|
vec2 inv_size;
|
|
float threshold;
|
|
float reserved;
|
|
}
|
|
params;
|
|
|
|
#define SMAA_LOCAL_CONTRAST_ADAPTATION_FACTOR 2.0
|
|
|
|
void main() {
|
|
vec2 threshold = vec2(params.threshold);
|
|
|
|
vec4 delta;
|
|
vec3 C = texture(color_tex, tex_coord).rgb;
|
|
|
|
vec3 Cleft = texture(color_tex, offset[0].xy).rgb;
|
|
vec3 t = abs(C - Cleft);
|
|
delta.x = max(max(t.r, t.g), t.b);
|
|
|
|
vec3 Ctop = texture(color_tex, offset[0].zw).rgb;
|
|
t = abs(C - Ctop);
|
|
delta.y = max(max(t.r, t.g), t.b);
|
|
|
|
edges = step(threshold, delta.xy);
|
|
|
|
if (dot(edges, vec2(1.0, 1.0)) == 0.0) {
|
|
discard;
|
|
}
|
|
|
|
vec3 Cright = texture(color_tex, offset[1].xy).rgb;
|
|
t = abs(C - Cright);
|
|
delta.z = max(max(t.r, t.g), t.b);
|
|
|
|
vec3 Cbottom = texture(color_tex, offset[1].zw).rgb;
|
|
t = abs(C - Cbottom);
|
|
delta.w = max(max(t.r, t.g), t.b);
|
|
|
|
vec2 max_delta = max(delta.xy, delta.zw);
|
|
|
|
vec3 Cleftleft = texture(color_tex, offset[2].xy).rgb;
|
|
t = abs(Cleft - Cleftleft);
|
|
delta.z = max(max(t.r, t.g), t.b);
|
|
|
|
vec3 Ctoptop = texture(color_tex, offset[2].zw).rgb;
|
|
t = abs(Ctop - Ctoptop);
|
|
delta.w = max(max(t.r, t.g), t.b);
|
|
|
|
max_delta = max(max_delta.xy, delta.zw);
|
|
float final_delta = max(max_delta.x, max_delta.y);
|
|
|
|
edges.xy *= step(final_delta, SMAA_LOCAL_CONTRAST_ADAPTATION_FACTOR * delta.xy);
|
|
}
|