godotengine/godot
1
0
Fork 0
mirror of https://github.com/godotengine/godot.git synced 2025-11-06 12:20:30 +00:00
Code Releases Wiki Activity

Add color channel filter to editor texture previews

Browse Source
This commit is contained in:
Marc Gilleron
2024-12-07 22:12:05 +00:00
parent 0c763602f9
commit c7a9d64eaf
13 changed files with 582 additions and 38 deletions
Download Patch File Download Diff File Expand all files Collapse all files

101
editor/plugins/texture_layered_editor_plugin.cpp
View File

@@ -31,6 +31,7 @@
#include "texture_layered_editor_plugin.h"
#include "editor/editor_string_names.h"
#include "editor/plugins/color_channel_selector.h"
#include "editor/themes/editor_scale.h"
#include "scene/gui/label.h"
@@ -43,9 +44,29 @@ constexpr const char *array_2d_shader = R"(
uniform sampler2DArray tex;
uniform float layer;
uniform vec4 u_channel_factors = vec4(1.0);
vec4 filter_preview_colors(vec4 input_color, vec4 factors) {
// Filter RGB.
vec4 output_color = input_color * vec4(factors.rgb, input_color.a);
// Remove transparency when alpha is not enabled.
output_color.a = mix(1.0, output_color.a, factors.a);
// Switch to opaque grayscale when visualizing only one channel.
float csum = factors.r + factors.g + factors.b + factors.a;
float single = clamp(2.0 - csum, 0.0, 1.0);
for (int i = 0; i < 4; i++) {
float c = input_color[i];
output_color = mix(output_color, vec4(c, c, c, 1.0), factors[i] * single);
}
return output_color;
}
void fragment() {
COLOR = textureLod(tex, vec3(UV, layer), 0.0);
COLOR = filter_preview_colors(COLOR, u_channel_factors);
}
)";
@@ -58,9 +79,30 @@ constexpr const char *cubemap_shader = R"(
uniform vec3 normal;
uniform mat3 rot;
uniform vec4 u_channel_factors = vec4(1.0);
vec4 filter_preview_colors(vec4 input_color, vec4 factors) {
// Filter RGB.
vec4 output_color = input_color * vec4(factors.rgb, input_color.a);
// Remove transparency when alpha is not enabled.
output_color.a = mix(1.0, output_color.a, factors.a);
// Switch to opaque grayscale when visualizing only one channel.
float csum = factors.r + factors.g + factors.b + factors.a;
float single = clamp(2.0 - csum, 0.0, 1.0);
for (int i = 0; i < 4; i++) {
float c = input_color[i];
output_color = mix(output_color, vec4(c, c, c, 1.0), factors[i] * single);
}
return output_color;
}
void fragment() {
vec3 n = rot * normalize(vec3(normal.xy * (UV * 2.0 - 1.0), normal.z));
COLOR = textureLod(tex, n, 0.0);
COLOR = filter_preview_colors(COLOR, u_channel_factors);
}
)";
@@ -73,9 +115,30 @@ constexpr const char *cubemap_array_shader = R"(
uniform mat3 rot;
uniform float layer;
uniform vec4 u_channel_factors = vec4(1.0);
vec4 filter_preview_colors(vec4 input_color, vec4 factors) {
// Filter RGB.
vec4 output_color = input_color * vec4(factors.rgb, input_color.a);
// Remove transparency when alpha is not enabled.
output_color.a = mix(1.0, output_color.a, factors.a);
// Switch to opaque grayscale when visualizing only one channel.
float csum = factors.r + factors.g + factors.b + factors.a;
float single = clamp(2.0 - csum, 0.0, 1.0);
for (int i = 0; i < 4; i++) {
float c = input_color[i];
output_color = mix(output_color, vec4(c, c, c, 1.0), factors[i] * single);
}
return output_color;
}
void fragment() {
vec3 n = rot * normalize(vec3(normal.xy * (UV * 2.0 - 1.0), normal.z));
COLOR = textureLod(tex, vec4(n, layer), 0.0);
COLOR = filter_preview_colors(COLOR, u_channel_factors);
}
)";
@@ -102,7 +165,8 @@ void TextureLayeredEditor::_update_gui() {
_texture_rect_update_area();
const String format = Image::get_format_name(texture->get_format());
const Image::Format format = texture->get_format();
const String format_name = Image::get_format_name(format);
String texture_info;
switch (texture->get_layered_type()) {
@@ -113,7 +177,7 @@ void TextureLayeredEditor::_update_gui() {
texture->get_width(),
texture->get_height(),
texture->get_layers(),
format);
format_name);
} break;
case TextureLayered::LAYERED_TYPE_CUBEMAP: {
@@ -122,7 +186,7 @@ void TextureLayeredEditor::_update_gui() {
texture_info = vformat(String::utf8("%d×%d %s\n"),
texture->get_width(),
texture->get_height(),
format);
format_name);
} break;
case TextureLayered::LAYERED_TYPE_CUBEMAP_ARRAY: {
@@ -132,7 +196,7 @@ void TextureLayeredEditor::_update_gui() {
texture->get_width(),
texture->get_height(),
texture->get_layers() / 6,
format);
format_name);
} break;
@@ -141,21 +205,30 @@ void TextureLayeredEditor::_update_gui() {
}
if (texture->has_mipmaps()) {
const int mip_count = Image::get_image_required_mipmaps(texture->get_width(), texture->get_height(), texture->get_format());
const int memory = Image::get_image_data_size(texture->get_width(), texture->get_height(), texture->get_format(), true) * texture->get_layers();
const int mip_count = Image::get_image_required_mipmaps(texture->get_width(), texture->get_height(), format);
const int memory = Image::get_image_data_size(texture->get_width(), texture->get_height(), format, true) * texture->get_layers();
texture_info += vformat(TTR("%s Mipmaps") + "\n" + TTR("Memory: %s"),
mip_count,
String::humanize_size(memory));
} else {
const int memory = Image::get_image_data_size(texture->get_width(), texture->get_height(), texture->get_format(), false) * texture->get_layers();
const int memory = Image::get_image_data_size(texture->get_width(), texture->get_height(), format, false) * texture->get_layers();
texture_info += vformat(TTR("No Mipmaps") + "\n" + TTR("Memory: %s"),
String::humanize_size(memory));
}
info->set_text(texture_info);
const uint32_t components_mask = Image::get_format_component_mask(format);
if (is_power_of_2(components_mask)) {
// Only one channel available, no point in showing a channel selector.
channel_selector->hide();
} else {
channel_selector->show();
channel_selector->set_available_channels_mask(components_mask);
}
}
void TextureLayeredEditor::_notification(int p_what) {
@@ -212,6 +285,15 @@ void TextureLayeredEditor::_update_material(bool p_texture_changed) {
if (p_texture_changed) {
materials[texture->get_layered_type()]->set_shader_parameter("tex", texture->get_rid());
}
const Vector4 channel_factors = channel_selector->get_selected_channel_factors();
for (unsigned int i = 0; i < 3; ++i) {
materials[i]->set_shader_parameter("u_channel_factors", channel_factors);
}
}
void TextureLayeredEditor::on_selected_channels_changed() {
_update_material(false);
}
void TextureLayeredEditor::_make_shaders() {
@@ -309,6 +391,11 @@ TextureLayeredEditor::TextureLayeredEditor() {
add_child(layer);
channel_selector = memnew(ColorChannelSelector);
channel_selector->connect("selected_channels_changed", callable_mp(this, &TextureLayeredEditor::on_selected_channels_changed));
channel_selector->set_anchors_and_offsets_preset(Control::PRESET_TOP_LEFT);
add_child(channel_selector);
info = memnew(Label);
info->add_theme_color_override(SceneStringName(font_color), Color(1, 1, 1));
info->add_theme_color_override("font_shadow_color", Color(0, 0, 0));