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Updated histogram for alpha channel

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This commit is contained in:
RodZill4 2020-03-22 05:45:29 +01:00
parent ef4fbac0a4
commit 08f5d007ae
1 changed files with 13 additions and 10 deletions
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23
material_maker/nodes/tones.tscn
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@ -4,6 +4,7 @@
[sub_resource type="Shader" id=1] [sub_resource type="Shader" id=1]
code = "shader_type canvas_item; code = "shader_type canvas_item;
render_mode blend_disabled;
uniform sampler2D tex; uniform sampler2D tex;
@ -13,9 +14,6 @@ void fragment() {
" "
[sub_resource type="ImageTexture" id=2] [sub_resource type="ImageTexture" id=2]
resource_local_to_scene = true
flags = 0
flags = 0
[sub_resource type="ShaderMaterial" id=3] [sub_resource type="ShaderMaterial" id=3]
resource_local_to_scene = true resource_local_to_scene = true
@ -24,6 +22,7 @@ shader_param/tex = SubResource( 2 )
[sub_resource type="Shader" id=4] [sub_resource type="Shader" id=4]
code = "shader_type canvas_item; code = "shader_type canvas_item;
render_mode blend_disabled;
uniform sampler2D tex; uniform sampler2D tex;
@ -32,7 +31,7 @@ void fragment() {
for (int i = 0; i < 128; ++i) { for (int i = 0; i < 128; ++i) {
sum += step(abs(texture(tex, vec2(UV.x, float(i)/127.0))-UV.y), vec4(0.02)); sum += step(abs(texture(tex, vec2(UV.x, float(i)/127.0))-UV.y), vec4(0.02));
} }
COLOR = vec4(sum.xyz/255.0, 1.0); COLOR = sum/255.0;
} }
" "
@ -46,6 +45,7 @@ shader_param/tex = SubResource( 5 )
[sub_resource type="Shader" id=7] [sub_resource type="Shader" id=7]
code = "shader_type canvas_item; code = "shader_type canvas_item;
render_mode blend_disabled;
uniform sampler2D tex; uniform sampler2D tex;
@ -54,7 +54,7 @@ void fragment() {
for (int i = 0; i < 128; ++i) { for (int i = 0; i < 128; ++i) {
sum += texture(tex, vec2(float(i)/127.0, UV.x)); sum += texture(tex, vec2(float(i)/127.0, UV.x));
} }
COLOR = vec4(sum.xyz/255.0, 1.0); COLOR = sum/255.0;
}" }"
[sub_resource type="ViewportTexture" id=8] [sub_resource type="ViewportTexture" id=8]
@ -69,6 +69,7 @@ shader_param/tex = SubResource( 8 )
code = "shader_type canvas_item; code = "shader_type canvas_item;
uniform sampler2D tex; uniform sampler2D tex;
render_mode blend_disabled;
void fragment() { void fragment() {
if (abs(fract(UV.y+0.05)) < 0.1) { if (abs(fract(UV.y+0.05)) < 0.1) {
@ -78,7 +79,7 @@ void fragment() {
for (int i = 0; i < 128; ++i) { for (int i = 0; i < 128; ++i) {
highest = max(highest, texture(tex, vec2(float(i)/128.0, 0.0))); highest = max(highest, texture(tex, vec2(float(i)/128.0, 0.0)));
} }
vec4 value = step(vec4(0.95-UV.y)*highest/0.9, 0.5*(texture(tex, vec2(max(0.0, UV.x-0.01), 0.0))+texture(tex, vec2(min(1.0, UV.x+0.01), 0.0)))); vec4 value = step(vec4(0.95-UV.y)*highest/0.9, 0.5*(texture(tex, vec2(max(0.0, UV.x-0.015), 0.0))+texture(tex, vec2(min(1.0, UV.x+0.015), 0.0))));
float alpha = step(0.1, dot(value, vec4(1.0))); float alpha = step(0.1, dot(value, vec4(1.0)));
COLOR = vec4(mix(value.rgb, vec3(0.5), 0.3*value.a), alpha); COLOR = vec4(mix(value.rgb, vec3(0.5), 0.3*value.a), alpha);
} }
@ -132,8 +133,8 @@ __meta__ = {
[node name="ViewportImage" type="Viewport" parent="."] [node name="ViewportImage" type="Viewport" parent="."]
size = Vector2( 256, 256 ) size = Vector2( 256, 256 )
disable_3d = true transparent_bg = true
keep_3d_linear = true hdr = false
usage = 0 usage = 0
render_target_v_flip = true render_target_v_flip = true
render_target_update_mode = 3 render_target_update_mode = 3
@ -146,8 +147,9 @@ rect_min_size = Vector2( 256, 256 )
[node name="ViewportHistogram1" type="Viewport" parent="."] [node name="ViewportHistogram1" type="Viewport" parent="."]
size = Vector2( 128, 128 ) size = Vector2( 128, 128 )
disable_3d = true own_world = true
keep_3d_linear = true transparent_bg = true
hdr = false
usage = 0 usage = 0
render_target_v_flip = true render_target_v_flip = true
render_target_update_mode = 3 render_target_update_mode = 3
@ -160,6 +162,7 @@ rect_min_size = Vector2( 128, 128 )
[node name="ViewportHistogram2" type="Viewport" parent="."] [node name="ViewportHistogram2" type="Viewport" parent="."]
size = Vector2( 128, 2 ) size = Vector2( 128, 2 )
transparent_bg = true
disable_3d = true disable_3d = true
keep_3d_linear = true keep_3d_linear = true
usage = 0 usage = 0