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[3.x] Add Anisotropic Filter option for TextureArrays #51402

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Aug 13, 2021
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[3.x] Add Anisotropic Filter option for TextureArrays #51402

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12 changes: 12 additions & 0 deletions doc/classes/Texture3D.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -9,9 +9,21 @@
<tutorials>
</tutorials>
<methods>
<method name="create">
<return type="void" />
<argument index="0" name="width" type="int" />
<argument index="1" name="height" type="int" />
<argument index="2" name="depth" type="int" />
<argument index="3" name="format" type="int" enum="Image.Format" />
<argument index="4" name="flags" type="int" default="4" />
<description>
Creates the Texture3D with specified [code]width[/code], [code]height[/code], and [code]depth[/code]. See [enum Image.Format] for [code]format[/code] options. See [enum TextureLayered.Flags] enumerator for [code]flags[/code] options.
</description>
</method>
</methods>
<members>
<member name="data" type="Dictionary" setter="_set_data" getter="_get_data" override="true" default="{&quot;depth&quot;: 0,&quot;flags&quot;: 4,&quot;format&quot;: 37,&quot;height&quot;: 0,&quot;layers&quot;: [ ],&quot;width&quot;: 0}" />
<member name="flags" type="int" setter="set_flags" getter="get_flags" override="true" default="4" />
</members>
<constants>
</constants>
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11 changes: 11 additions & 0 deletions doc/classes/TextureArray.xml
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Expand Up @@ -21,6 +21,17 @@
<tutorials>
</tutorials>
<methods>
<method name="create">
<return type="void" />
<argument index="0" name="width" type="int" />
<argument index="1" name="height" type="int" />
<argument index="2" name="depth" type="int" />
<argument index="3" name="format" type="int" enum="Image.Format" />
<argument index="4" name="flags" type="int" default="7" />
<description>
Creates the TextureArray with specified [code]width[/code], [code]height[/code], and [code]depth[/code]. See [enum Image.Format] for [code]format[/code] options. See [enum TextureLayered.Flags] enumerator for [code]flags[/code] options.
</description>
</method>
</methods>
<constants>
</constants>
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26 changes: 11 additions & 15 deletions doc/classes/TextureLayered.xml
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Expand Up @@ -9,17 +9,6 @@
<tutorials>
</tutorials>
<methods>
<method name="create">
<return type="void" />
<argument index="0" name="width" type="int" />
<argument index="1" name="height" type="int" />
<argument index="2" name="depth" type="int" />
<argument index="3" name="format" type="int" enum="Image.Format" />
<argument index="4" name="flags" type="int" default="4" />
<description>
Creates the [Texture3D] or [TextureArray] with specified [code]width[/code], [code]height[/code], and [code]depth[/code]. See [enum Image.Format] for [code]format[/code] options. See [enum Flags] enumerator for [code]flags[/code] options.
</description>
</method>
<method name="get_depth" qualifiers="const">
<return type="int" />
<description>
Expand Down Expand Up @@ -72,14 +61,20 @@
</method>
</methods>
<members>
<member name="data" type="Dictionary" setter="_set_data" getter="_get_data" default="{&quot;depth&quot;: 0,&quot;flags&quot;: 4,&quot;format&quot;: 37,&quot;height&quot;: 0,&quot;layers&quot;: [ ],&quot;width&quot;: 0}">
<member name="data" type="Dictionary" setter="_set_data" getter="_get_data" default="{&quot;depth&quot;: 0,&quot;flags&quot;: 7,&quot;format&quot;: 37,&quot;height&quot;: 0,&quot;layers&quot;: [ ],&quot;width&quot;: 0}">
Returns a dictionary with all the data used by this texture.
</member>
<member name="flags" type="int" setter="set_flags" getter="get_flags" default="4">
<member name="flags" type="int" setter="set_flags" getter="get_flags" default="7">
Specifies which [enum Flags] apply to this texture.
</member>
</members>
<constants>
<constant name="FLAGS_DEFAULT_TEXTURE_ARRAY" value="7" enum="Flags">
Default flags for [TextureArray]. [constant FLAG_MIPMAPS], [constant FLAG_REPEAT] and [constant FLAG_FILTER] are enabled.
</constant>
<constant name="FLAGS_DEFAULT_TEXTURE_3D" value="4" enum="Flags">
Default flags for [Texture3D]. [constant FLAG_FILTER] is enabled.
</constant>
<constant name="FLAG_MIPMAPS" value="1" enum="Flags">
Texture will generate mipmaps on creation.
</constant>
Expand All @@ -89,8 +84,9 @@
<constant name="FLAG_FILTER" value="4" enum="Flags">
Use filtering when reading from texture. Filtering smooths out pixels. Turning filtering off is slightly faster and more appropriate when you need access to individual pixels.
</constant>
<constant name="FLAGS_DEFAULT" value="4" enum="Flags">
Equivalent to [constant FLAG_FILTER].
<constant name="FLAG_ANISOTROPIC_FILTER" value="8" enum="Flags">
Uses anisotropic mipmap filtering. Generates smaller versions of the same texture with different aspect ratios.
This results in better-looking textures when viewed from oblique angles.
</constant>
</constants>
</class>
5 changes: 5 additions & 0 deletions editor/import/resource_importer_layered_texture.cpp
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Expand Up @@ -79,6 +79,7 @@ void ResourceImporterLayeredTexture::get_import_options(List<ImportOption> *r_op
r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "flags/repeat", PROPERTY_HINT_ENUM, "Disabled,Enabled,Mirrored"), 0));
r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "flags/filter"), true));
r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "flags/mipmaps"), p_preset == PRESET_COLOR_CORRECT ? 0 : 1));
r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "flags/anisotropic"), false));
r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "flags/srgb", PROPERTY_HINT_ENUM, "Disable,Enable"), p_preset == PRESET_3D ? 1 : 0));
r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "slices/horizontal", PROPERTY_HINT_RANGE, "1,256,1"), p_preset == PRESET_COLOR_CORRECT ? 16 : 8));
r_options->push_back(ImportOption(PropertyInfo(Variant::INT, "slices/vertical", PROPERTY_HINT_RANGE, "1,256,1"), p_preset == PRESET_COLOR_CORRECT ? 1 : 8));
Expand Down Expand Up @@ -187,6 +188,7 @@ Error ResourceImporterLayeredTexture::import(const String &p_source_file, const
int repeat = p_options["flags/repeat"];
bool filter = p_options["flags/filter"];
bool mipmaps = p_options["flags/mipmaps"];
bool anisotropic = p_options["flags/anisotropic"];
int srgb = p_options["flags/srgb"];
int hslices = p_options["slices/horizontal"];
int vslices = p_options["slices/vertical"];
Expand All @@ -211,6 +213,9 @@ Error ResourceImporterLayeredTexture::import(const String &p_source_file, const
if (mipmaps || compress_mode == COMPRESS_VIDEO_RAM) {
tex_flags |= Texture::FLAG_MIPMAPS;
}
if (anisotropic) {
tex_flags |= Texture::FLAG_ANISOTROPIC_FILTER;
}
if (srgb == 1) {
tex_flags |= Texture::FLAG_CONVERT_TO_LINEAR;
}
Expand Down
19 changes: 14 additions & 5 deletions scene/resources/texture.cpp
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Expand Up @@ -78,7 +78,7 @@ void Texture::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_data"), &Texture::get_data);

ADD_GROUP("Flags", "");
ADD_PROPERTY(PropertyInfo(Variant::INT, "flags", PROPERTY_HINT_FLAGS, "Mipmaps,Repeat,Filter,Anisotropic Linear,Convert to Linear,Mirrored Repeat,Video Surface"), "set_flags", "get_flags");
ADD_PROPERTY(PropertyInfo(Variant::INT, "flags", PROPERTY_HINT_FLAGS, "Mipmaps,Repeat,Filter,Anisotropic Filter,Convert to Linear,Mirrored Repeat,Video Surface"), "set_flags", "get_flags");
ADD_GROUP("", "");

BIND_ENUM_CONSTANT(FLAGS_DEFAULT);
Expand Down Expand Up @@ -2381,27 +2381,28 @@ void TextureLayered::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_height"), &TextureLayered::get_height);
ClassDB::bind_method(D_METHOD("get_depth"), &TextureLayered::get_depth);

ClassDB::bind_method(D_METHOD("create", "width", "height", "depth", "format", "flags"), &TextureLayered::create, DEFVAL(FLAGS_DEFAULT));
ClassDB::bind_method(D_METHOD("set_layer_data", "image", "layer"), &TextureLayered::set_layer_data);
ClassDB::bind_method(D_METHOD("get_layer_data", "layer"), &TextureLayered::get_layer_data);
ClassDB::bind_method(D_METHOD("set_data_partial", "image", "x_offset", "y_offset", "layer", "mipmap"), &TextureLayered::set_data_partial, DEFVAL(0));

ClassDB::bind_method(D_METHOD("_set_data", "data"), &TextureLayered::_set_data);
ClassDB::bind_method(D_METHOD("_get_data"), &TextureLayered::_get_data);

ADD_PROPERTY(PropertyInfo(Variant::INT, "flags", PROPERTY_HINT_FLAGS, "Mipmaps,Repeat,Filter"), "set_flags", "get_flags");
ADD_PROPERTY(PropertyInfo(Variant::INT, "flags", PROPERTY_HINT_FLAGS, "Mipmaps,Repeat,Filter,Anisotropic Filter"), "set_flags", "get_flags");
ADD_PROPERTY(PropertyInfo(Variant::DICTIONARY, "data", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "_set_data", "_get_data");

BIND_ENUM_CONSTANT(FLAGS_DEFAULT_TEXTURE_ARRAY);
BIND_ENUM_CONSTANT(FLAGS_DEFAULT_TEXTURE_3D);
BIND_ENUM_CONSTANT(FLAG_MIPMAPS);
BIND_ENUM_CONSTANT(FLAG_REPEAT);
BIND_ENUM_CONSTANT(FLAG_FILTER);
BIND_ENUM_CONSTANT(FLAGS_DEFAULT);
BIND_ENUM_CONSTANT(FLAG_ANISOTROPIC_FILTER);
}

TextureLayered::TextureLayered(bool p_3d) {
is_3d = p_3d;
flags = p_3d ? FLAGS_DEFAULT_TEXTURE_3D : FLAGS_DEFAULT_TEXTURE_ARRAY;
format = Image::FORMAT_MAX;
flags = FLAGS_DEFAULT;

width = 0;
height = 0;
Expand All @@ -2416,6 +2417,14 @@ TextureLayered::~TextureLayered() {
}
}

void Texture3D::_bind_methods() {
ClassDB::bind_method(D_METHOD("create", "width", "height", "depth", "format", "flags"), &Texture3D::create, DEFVAL(FLAGS_DEFAULT_TEXTURE_3D));
}

void TextureArray::_bind_methods() {
ClassDB::bind_method(D_METHOD("create", "width", "height", "depth", "format", "flags"), &TextureArray::create, DEFVAL(FLAGS_DEFAULT_TEXTURE_ARRAY));
}

RES ResourceFormatLoaderTextureLayered::load(const String &p_path, const String &p_original_path, Error *r_error) {
if (r_error) {
*r_error = ERR_CANT_OPEN;
Expand Down
20 changes: 18 additions & 2 deletions scene/resources/texture.h
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Expand Up @@ -460,8 +460,10 @@ class TextureLayered : public Resource {
FLAG_MIPMAPS = VisualServer::TEXTURE_FLAG_MIPMAPS,
FLAG_REPEAT = VisualServer::TEXTURE_FLAG_REPEAT,
FLAG_FILTER = VisualServer::TEXTURE_FLAG_FILTER,
FLAG_ANISOTROPIC_FILTER = VisualServer::TEXTURE_FLAG_ANISOTROPIC_FILTER,
FLAG_CONVERT_TO_LINEAR = VisualServer::TEXTURE_FLAG_CONVERT_TO_LINEAR,
FLAGS_DEFAULT = FLAG_FILTER,
FLAGS_DEFAULT_TEXTURE_ARRAY = FLAG_MIPMAPS | FLAG_REPEAT | FLAG_FILTER,
FLAGS_DEFAULT_TEXTURE_3D = FLAG_FILTER,
};

enum CompressMode {
Expand Down Expand Up @@ -501,7 +503,7 @@ class TextureLayered : public Resource {
uint32_t get_height() const;
uint32_t get_depth() const;

void create(uint32_t p_width, uint32_t p_height, uint32_t p_depth, Image::Format p_format, uint32_t p_flags = FLAGS_DEFAULT);
void create(uint32_t p_width, uint32_t p_height, uint32_t p_depth, Image::Format p_format, uint32_t p_flags = FLAGS_DEFAULT_TEXTURE_ARRAY);
void set_layer_data(const Ref<Image> &p_image, int p_layer);
Ref<Image> get_layer_data(int p_layer) const;
void set_data_partial(const Ref<Image> &p_image, int p_x_ofs, int p_y_ofs, int p_z, int p_mipmap = 0);
Expand All @@ -518,15 +520,29 @@ VARIANT_ENUM_CAST(TextureLayered::Flags)
class Texture3D : public TextureLayered {
GDCLASS(Texture3D, TextureLayered);

protected:
static void _bind_methods();

public:
void create(uint32_t p_width, uint32_t p_height, uint32_t p_depth, Image::Format p_format, uint32_t p_flags = FLAGS_DEFAULT_TEXTURE_3D) {
TextureLayered::create(p_width, p_height, p_depth, p_format, p_flags);
}

Texture3D() :
TextureLayered(true) {}
};

class TextureArray : public TextureLayered {
GDCLASS(TextureArray, TextureLayered);

protected:
static void _bind_methods();

public:
void create(uint32_t p_width, uint32_t p_height, uint32_t p_depth, Image::Format p_format, uint32_t p_flags = FLAGS_DEFAULT_TEXTURE_ARRAY) {
TextureLayered::create(p_width, p_height, p_depth, p_format, p_flags);
}

TextureArray() :
TextureLayered(false) {}
};
Expand Down