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GLES2: Content shader stuff (possibly unfinished)

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20kdc
2020-08-28 00:04:44 +01:00
parent acfb452aa7
commit d809968635
7 changed files with 60 additions and 60 deletions
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30
Resources/Textures/Shaders/outline.swsl
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@@ -29,47 +29,47 @@
light_mode unshaded;
//shader_type canvas_item;
uniform float outline_width = 2.0;
uniform highp float outline_width = 2.0;
// TODO: implement that hint_color thingy.
//uniform vec4 outline_color: hint_color;
uniform vec4 outline_color=vec4(1,0,0,0.33);
uniform highp vec4 outline_color=vec4(1.0,0.0,0.0,0.33);
void fragment() {
vec4 col = texture(TEXTURE, UV);
vec2 ps = TEXTURE_PIXEL_SIZE;
float a;
float maxa = col.a;
float mina = col.a;
highp vec4 col = texture2D(TEXTURE, UV);
highp vec2 ps = TEXTURE_PIXEL_SIZE;
highp float a;
highp float maxa = col.a;
highp float mina = col.a;
a = texture(TEXTURE, UV + vec2(0, -outline_width)*ps).a;
a = texture2D(TEXTURE, UV + vec2(0.0, -outline_width)*ps).a;
maxa = max(a, maxa);
mina = min(a, mina);
a = texture(TEXTURE, UV + vec2(-outline_width, -outline_width)*ps).a;
a = texture2D(TEXTURE, UV + vec2(-outline_width, -outline_width)*ps).a;
maxa = max(a, maxa);
mina = min(a, mina);
a = texture(TEXTURE, UV + vec2(0, outline_width)*ps).a;
a = texture2D(TEXTURE, UV + vec2(0.0, outline_width)*ps).a;
maxa = max(a, maxa);
mina = min(a, mina);
a = texture(TEXTURE, UV + vec2(outline_width, -outline_width)*ps).a;
a = texture2D(TEXTURE, UV + vec2(outline_width, -outline_width)*ps).a;
maxa = max(a, maxa);
mina = min(a, mina);
a = texture(TEXTURE, UV + vec2(-outline_width,0)*ps).a;
a = texture2D(TEXTURE, UV + vec2(-outline_width,0.0)*ps).a;
maxa = max(a, maxa);
mina = min(a, mina);
a = texture(TEXTURE, UV + vec2(-outline_width, outline_width)*ps).a;
a = texture2D(TEXTURE, UV + vec2(-outline_width, outline_width)*ps).a;
maxa = max(a, maxa);
mina = min(a, mina);
a = texture(TEXTURE, UV + vec2(outline_width, 0)*ps).a;
a = texture2D(TEXTURE, UV + vec2(outline_width, 0.0)*ps).a;
maxa = max(a, maxa);
mina = min(a, mina);
a = texture(TEXTURE, UV + vec2(outline_width, outline_width)*ps).a;
a = texture2D(TEXTURE, UV + vec2(outline_width, outline_width)*ps).a;
maxa = max(a, maxa);
mina = min(a, mina);