diff options
| -rw-r--r-- | core/config/project_settings.cpp | 3 | ||||
| -rw-r--r-- | doc/classes/ProjectSettings.xml | 5 | ||||
| -rw-r--r-- | editor/import/resource_importer_texture.cpp | 53 | ||||
| -rw-r--r-- | editor/import/resource_importer_texture.h | 5 |
4 files changed, 47 insertions, 19 deletions
diff --git a/core/config/project_settings.cpp b/core/config/project_settings.cpp index c65a2a5bc6..28fbc78501 100644 --- a/core/config/project_settings.cpp +++ b/core/config/project_settings.cpp @@ -1250,6 +1250,9 @@ ProjectSettings::ProjectSettings() { GLOBAL_DEF_INTERNAL("application/config/features", PackedStringArray()); GLOBAL_DEF_INTERNAL("internationalization/locale/translation_remaps", PackedStringArray()); GLOBAL_DEF_INTERNAL("internationalization/locale/translations", PackedStringArray()); + + GLOBAL_DEF("rendering/textures/vram_compression/minimum_size", 512); + custom_prop_info["rendering/textures/vram_compression/minimum_size"] = PropertyInfo(Variant::INT, "rendering/textures/vram_compression/minimum_size", PROPERTY_HINT_RANGE, "16,16384,1"); } ProjectSettings::~ProjectSettings() { diff --git a/doc/classes/ProjectSettings.xml b/doc/classes/ProjectSettings.xml index 6fd3f9f9fc..2c28a297cf 100644 --- a/doc/classes/ProjectSettings.xml +++ b/doc/classes/ProjectSettings.xml @@ -1933,6 +1933,11 @@ If [code]true[/code], the texture importer will import VRAM-compressed textures using the S3 Texture Compression algorithm. This algorithm is only supported on desktop platforms and consoles. [b]Note:[/b] Changing this setting does [i]not[/i] impact textures that were already imported before. To make this setting apply to textures that were already imported, exit the editor, remove the [code].godot/imported/[/code] folder located inside the project folder then restart the editor (see [member application/config/use_hidden_project_data_directory]). </member> + <member name="rendering/textures/vram_compression/minimum_size" type="int" setter="" getter="" default="512"> + When a texture is detected as used in 3D in the editor, only enable VRAM compression if its size is greater than or equal to [code]minimum_size * minimum_size[/code] pixels. This is done to prevent reducing texture quality when it doesn't save much video memory, especially for pixel art. + For non-square textures, the pixel count is used. For example, with [member rendering/textures/vram_compression/minimum_size] set to [code]512[/code], a 512×512 texture will use VRAM compression, while 256×256 textures, 256×512 and 1024×64 textures will keep their existing compression mode (Lossless by default). + [b]Note:[/b] This project setting only affects textures that are detected to be used in 3D at a given time. Textures that were already imported will not be affected by changes to this setting. To force 3D detection to occur again, select a texture in the FileSystem dock, change its Detect 3D import option in the Import dock to [b]VRAM Compressed[/b] or [b]Basis Universal[/b] then click [b]Reimport[/b]. + </member> <member name="rendering/vulkan/descriptor_pools/max_descriptors_per_pool" type="int" setter="" getter="" default="64"> </member> <member name="rendering/vulkan/rendering/back_end" type="int" setter="" getter="" default="0"> diff --git a/editor/import/resource_importer_texture.cpp b/editor/import/resource_importer_texture.cpp index deb3047864..a055dca8ad 100644 --- a/editor/import/resource_importer_texture.cpp +++ b/editor/import/resource_importer_texture.cpp @@ -65,6 +65,15 @@ void ResourceImporterTexture::_texture_reimport_3d(const Ref<CompressedTexture2D } singleton->make_flags[path].flags |= MAKE_3D_FLAG; + + // For small textures, don't use VRAM compression as it decreases quality too much compared to the memory saved. + // The minimum size for VRAM compression is defined on each axis. + // It is then squared to handle non-square input texture sizes in a more human-readable manner. + const float minimum_size = float(GLOBAL_GET("rendering/textures/vram_compression/minimum_size")); + if (p_tex->get_width() * p_tex->get_height() >= int(Math::pow(minimum_size, 2.0f) - CMP_EPSILON)) { + // Texture is larger than `minimum_size × minimum_size` pixels (if square). + singleton->make_flags[path].flags |= MAKE_VRAM_COMPRESS_FLAG; + } } void ResourceImporterTexture::_texture_reimport_normal(const Ref<CompressedTexture2D> &p_tex) { @@ -103,7 +112,33 @@ void ResourceImporterTexture::update_imports() { bool changed = false; - if (E.value.flags & MAKE_NORMAL_FLAG && int(cf->get_value("params", "compress/normal_map")) == 0) { + if (E.value.flags & MAKE_3D_FLAG && bool(cf->get_value("params", "detect_3d/compress_to"))) { + if (E.value.flags & MAKE_VRAM_COMPRESS_FLAG) { + // Texture is large enough to benefit from VRAM compression. + const int compress_to = cf->get_value("params", "detect_3d/compress_to"); + String compress_string; + if (compress_to == 1) { + cf->set_value("params", "compress/mode", COMPRESS_VRAM_COMPRESSED); + compress_string = "VRAM Compressed (S3TC/ETC/BPTC)"; + } else if (compress_to == 2) { + cf->set_value("params", "compress/mode", COMPRESS_BASIS_UNIVERSAL); + compress_string = "Basis Universal"; + } + print_line(vformat(TTR("%s: Texture detected as used in 3D. Enabling mipmap generation and setting the texture compression mode to %s."), String(E.key), compress_string)); + } else { + print_line(vformat(TTR("%s: Small texture detected as used in 3D. Enabling mipmap generation but not VRAM compression."), String(E.key))); + } + + cf->set_value("params", "mipmaps/generate", true); + cf->set_value("params", "detect_3d/compress_to", 0); + + changed = true; + } + + if (E.value.flags & MAKE_NORMAL_FLAG && int(cf->get_value("params", "compress/normal_map")) == 0 && int(cf->get_value("params", "compress/mode")) != COMPRESS_LOSSLESS) { + // Normal map compression is not available for textures with Lossless compression. + // This is ignored in the importer, but printing a message about normal map compression + // being enabled in this case is misleading. print_line(vformat(TTR("%s: Texture detected as used as a normal map in 3D. Enabling red-green texture compression to reduce memory usage (blue channel is discarded)."), String(E.key))); cf->set_value("params", "compress/normal_map", 1); changed = true; @@ -116,22 +151,6 @@ void ResourceImporterTexture::update_imports() { changed = true; } - if (E.value.flags & MAKE_3D_FLAG && bool(cf->get_value("params", "detect_3d/compress_to"))) { - const int compress_to = cf->get_value("params", "detect_3d/compress_to"); - String compress_string; - cf->set_value("params", "detect_3d/compress_to", 0); - if (compress_to == 1) { - cf->set_value("params", "compress/mode", COMPRESS_VRAM_COMPRESSED); - compress_string = "VRAM Compressed (S3TC/ETC/BPTC)"; - } else if (compress_to == 2) { - cf->set_value("params", "compress/mode", COMPRESS_BASIS_UNIVERSAL); - compress_string = "Basis Universal"; - } - print_line(vformat(TTR("%s: Texture detected as used in 3D. Enabling mipmap generation and setting the texture compression mode to %s."), String(E.key), compress_string)); - cf->set_value("params", "mipmaps/generate", true); - changed = true; - } - if (changed) { cf->save(src_path); to_reimport.push_back(E.key); diff --git a/editor/import/resource_importer_texture.h b/editor/import/resource_importer_texture.h index 7def2d4f77..e65c15ae78 100644 --- a/editor/import/resource_importer_texture.h +++ b/editor/import/resource_importer_texture.h @@ -54,8 +54,9 @@ public: protected: enum { MAKE_3D_FLAG = 1, - MAKE_ROUGHNESS_FLAG = 2, - MAKE_NORMAL_FLAG = 4 + MAKE_VRAM_COMPRESS_FLAG = 2, + MAKE_ROUGHNESS_FLAG = 4, + MAKE_NORMAL_FLAG = 8, }; Mutex mutex; |