Lot of work in new importer, importing textures now works.

2 files changed, 317 insertions, 0 deletions

diff --git a/tools/editor/import/resource_import_texture.cpp b/tools/editor/import/resource_import_texture.cpp
new file mode 100644
index 000000000..41b330e12
--- /dev/null
+++ b/tools/editor/import/resource_import_texture.cpp
@@ -0,0 +1,274 @@
+#include "resource_import_texture.h"
+#include "io/image_loader.h"
+#include "scene/resources/texture.h"
+
+String ResourceImporterTexture::get_importer_name() const {
+
+	return "texture";
+}
+
+String ResourceImporterTexture::get_visible_name() const{
+
+	return "Texture";
+}
+void ResourceImporterTexture::get_recognized_extensions(List<String> *p_extensions) const{
+
+	ImageLoader::get_recognized_extensions(p_extensions);
+}
+String ResourceImporterTexture::get_save_extension() const {
+	return "stex";
+}
+
+String ResourceImporterTexture::get_resource_type() const{
+
+	return "StreamTexture";
+}
+
+bool ResourceImporterTexture::get_option_visibility(const String& p_option,const Map<StringName,Variant>& p_options) const {
+
+	if (p_option=="compress/lossy_quality" && int(p_options["compress/mode"])!=COMPRESS_LOSSY)
+		return false;
+
+	return true;
+}
+
+int ResourceImporterTexture::get_preset_count() const {
+	return 4;
+}
+String ResourceImporterTexture::get_preset_name(int p_idx) const {
+
+	static const char* preset_names[]={
+		"2D, Detect 3D",
+		"2D",
+		"2D Pixel",
+		"3D"
+	};
+
+	return preset_names[p_idx];
+}
+
+
+void ResourceImporterTexture::get_import_options(List<ImportOption> *r_options,int p_preset) const {
+
+
+	r_options->push_back(ImportOption(PropertyInfo(Variant::INT,"compress/mode",PROPERTY_HINT_ENUM,"Lossless,Lossy,Video RAM,Uncompressed",PROPERTY_USAGE_DEFAULT|PROPERTY_USAGE_UPDATE_ALL_IF_MODIFIED),p_preset==PRESET_3D?2:0));
+	r_options->push_back(ImportOption(PropertyInfo(Variant::REAL,"compress/lossy_quality",PROPERTY_HINT_RANGE,"0,1,0.01"),0.7));
+	r_options->push_back(ImportOption(PropertyInfo(Variant::INT,"flags/repeat",PROPERTY_HINT_ENUM,"Disabled,Enabled,Mirrored"),p_preset==PRESET_3D?1:0));
+	r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL,"flags/filter"),p_preset==PRESET_2D_PIXEL?false:true));
+	r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL,"flags/mipmaps"),p_preset==PRESET_3D?true:false));
+	r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL,"flags/anisotropic"),false));
+	r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL,"flags/srgb",PROPERTY_HINT_ENUM,"Disable,Enable,Detect"),2));
+	r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL,"process/fix_alpha_border"),p_preset!=PRESET_3D?true:false));
+	r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL,"process/premult_alpha"),true));
+	r_options->push_back(ImportOption(PropertyInfo(Variant::INT,"stream"),false));
+	r_options->push_back(ImportOption(PropertyInfo(Variant::INT,"size_limit",PROPERTY_HINT_RANGE,"0,4096,1"),0));
+	r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL,"detect_3d"),p_preset==PRESET_DETECT));
+
+}
+
+
+void ResourceImporterTexture::_save_stex(const Image& p_image,const String& p_to_path,int p_compress_mode,float p_lossy_quality,Image::CompressMode p_vram_compression,bool p_mipmaps,int p_texture_flags,bool p_streamable) {
+
+
+	FileAccess *f = FileAccess::open(p_to_path,FileAccess::WRITE);
+	f->store_8('G');
+	f->store_8('D');
+	f->store_8('S');
+	f->store_8('T'); //godot streamable texture
+
+	f->store_32(p_image.get_width());
+	f->store_32(p_image.get_height());
+	f->store_32(p_texture_flags);
+
+	uint32_t format=0;
+
+	if (p_streamable)
+		format|=StreamTexture::FORMAT_BIT_STREAM;
+	if (p_mipmaps || p_compress_mode==COMPRESS_VIDEO_RAM) //VRAM always uses mipmaps
+		format|=StreamTexture::FORMAT_BIT_HAS_MIPMAPS; //mipmaps bit
+
+	switch (p_compress_mode) {
+		case COMPRESS_LOSSLESS: {
+
+			Image image = p_image;
+			if (p_mipmaps) {
+				image.generate_mipmaps();
+			} else {
+				image.clear_mipmaps();
+			}
+
+			int mmc = image.get_mipmap_count() + 1;
+
+			format=StreamTexture::FORMAT_BIT_LOSSLESS;
+			f->store_32(format);
+			f->store_32(mmc);
+
+			for(int i=0;i<mmc;i++) {
+
+				if (i>0) {
+					image.shrink_x2();
+				}
+
+				PoolVector<uint8_t> data = Image::lossless_packer(image);
+				int data_len = data.size();
+				f->store_32(data_len);
+
+				PoolVector<uint8_t>::Read r= data.read();
+				f->store_buffer(r.ptr(),data_len);
+
+			}
+
+
+		} break;
+		case COMPRESS_LOSSY: {
+			Image image = p_image;
+			if (p_mipmaps) {
+				image.generate_mipmaps();
+			} else {
+				image.clear_mipmaps();
+			}
+
+			int mmc = image.get_mipmap_count() + 1;
+
+			format=StreamTexture::FORMAT_BIT_LOSSY;
+			f->store_32(format);
+			f->store_32(mmc);
+
+			for(int i=0;i<mmc;i++) {
+
+				if (i>0) {
+					image.shrink_x2();
+				}
+
+				PoolVector<uint8_t> data = Image::lossy_packer(image,p_lossy_quality);
+				int data_len = data.size();
+				f->store_32(data_len);
+
+				PoolVector<uint8_t>::Read r = data.read();
+				f->store_buffer(r.ptr(),data_len);
+
+			}
+		} break;
+		case COMPRESS_VIDEO_RAM: {
+
+			Image image = p_image;
+			image.generate_mipmaps();
+			image.compress(p_vram_compression);
+
+			format |= image.get_format();
+
+			f->store_32(format);
+
+			PoolVector<uint8_t> data=image.get_data();
+			int dl = data.size();
+			PoolVector<uint8_t>::Read r = data.read();
+
+			f->store_buffer(r.ptr(),dl);
+
+		} break;
+		case COMPRESS_UNCOMPRESSED: {
+
+			Image image = p_image;
+			if (p_mipmaps) {
+				image.generate_mipmaps();
+			} else {
+				image.clear_mipmaps();
+			}
+
+			format |= image.get_format();
+			f->store_32(format);
+
+			PoolVector<uint8_t> data=image.get_data();
+			int dl = data.size();
+			PoolVector<uint8_t>::Read r = data.read();
+
+			f->store_buffer(r.ptr(),dl);
+
+		} break;
+	}
+
+	memdelete(f);
+}
+
+Error ResourceImporterTexture::import(const String& p_source_file,const String& p_save_path,const Map<StringName,Variant>& p_options,List<String>* r_platform_variants) {
+
+	int compress_mode = p_options["compress/mode"];
+	float lossy= p_options["compress/lossy_quality"];
+	int repeat= p_options["flags/repeat"];
+	bool filter= p_options["flags/filter"];
+	bool mipmaps= p_options["flags/mipmaps"];
+	bool anisotropic= p_options["flags/anisotropic"];
+	bool srgb= p_options["flags/srgb"];
+	bool fix_alpha_border= p_options["process/fix_alpha_border"];
+	bool premult_alpha= p_options["process/premult_alpha"];
+	bool stream = p_options["stream"];
+	int size_limit = p_options["size_limit"];
+
+
+	Image image;
+	Error err = ImageLoader::load_image(p_source_file,&image);
+	if (err!=OK)
+		return err;
+
+
+	int tex_flags=0;
+	if (repeat>0)
+		tex_flags|=Texture::FLAG_REPEAT;
+	if (repeat==2)
+		tex_flags|=Texture::FLAG_MIRRORED_REPEAT;
+	if (filter)
+		tex_flags|=Texture::FLAG_FILTER;
+	if (mipmaps || compress_mode==COMPRESS_VIDEO_RAM)
+		tex_flags|=Texture::FLAG_MIPMAPS;
+	if (anisotropic)
+		tex_flags|=Texture::FLAG_ANISOTROPIC_FILTER;
+	if (srgb)
+		tex_flags|=Texture::FLAG_CONVERT_TO_LINEAR;
+
+	if (size_limit >0 && (image.get_width()>size_limit || image.get_height()>size_limit )) {
+		//limit size
+		if (image.get_width() >= image.get_height()) {
+			int new_width = size_limit;
+			int new_height = image.get_height() * new_width / image.get_width();
+
+			image.resize(new_width,new_height,Image::INTERPOLATE_CUBIC);
+		} else {
+
+			int new_height = size_limit;
+			int new_width = image.get_width() * new_height / image.get_height();
+
+			image.resize(new_width,new_height,Image::INTERPOLATE_CUBIC);
+		}
+	}
+
+	if (fix_alpha_border) {
+		image.fix_alpha_edges();
+	}
+
+	if (premult_alpha) {
+		image.premultiply_alpha();
+	}
+
+
+	if (compress_mode==COMPRESS_VIDEO_RAM) {
+		//must import in all formats
+		//Android, GLES 2.x
+		_save_stex(image,p_save_path+".etc.stex",compress_mode,lossy,Image::COMPRESS_ETC,mipmaps,tex_flags,stream);
+		r_platform_variants->push_back("etc");
+		//_save_stex(image,p_save_path+".etc2.stex",compress_mode,lossy,Image::COMPRESS_ETC2,mipmaps,tex_flags,stream);
+		//r_platform_variants->push_back("etc2");
+		_save_stex(image,p_save_path+".s3tc.stex",compress_mode,lossy,Image::COMPRESS_S3TC,mipmaps,tex_flags,stream);
+		r_platform_variants->push_back("s3tc");
+
+	} else {
+		//import normally
+		_save_stex(image,p_save_path+".stex",compress_mode,lossy,Image::COMPRESS_16BIT /*this is ignored */,mipmaps,tex_flags,stream);
+	}
+
+	return OK;
+}
+
+ResourceImporterTexture::ResourceImporterTexture()
+{
+
+}
diff --git a/tools/editor/import/resource_import_texture.h b/tools/editor/import/resource_import_texture.h
new file mode 100644
index 000000000..ac0a3f057
--- /dev/null
+++ b/tools/editor/import/resource_import_texture.h
@@ -0,0 +1,43 @@
+#ifndef RESOURCEIMPORTTEXTURE_H
+#define RESOURCEIMPORTTEXTURE_H
+
+#include "io/resource_import.h"
+
+class ResourceImporterTexture : public ResourceImporter {
+	GDCLASS(ResourceImporterTexture,ResourceImporter)
+public:
+	virtual String get_importer_name() const;
+	virtual String get_visible_name() const;
+	virtual void get_recognized_extensions(List<String> *p_extensions) const;
+	virtual String get_save_extension() const;
+	virtual String get_resource_type() const;
+
+
+	enum Preset {
+		PRESET_DETECT,
+		PRESET_2D,
+		PRESET_2D_PIXEL,
+		PRESET_3D,
+	};
+
+	enum CompressMode {
+		COMPRESS_LOSSLESS,
+		COMPRESS_LOSSY,
+		COMPRESS_VIDEO_RAM,
+		COMPRESS_UNCOMPRESSED
+	};
+
+	virtual int get_preset_count() const;
+	virtual String get_preset_name(int p_idx) const;
+
+	virtual void get_import_options(List<ImportOption> *r_options,int p_preset=0) const;
+	virtual bool get_option_visibility(const String& p_option,const Map<StringName,Variant>& p_options) const;
+
+	void _save_stex(const Image& p_image, const String& p_to_path, int p_compress_mode, float p_lossy_quality, Image::CompressMode p_vram_compression, bool p_mipmaps, int p_texture_flags, bool p_streamable);
+
+	virtual Error import(const String& p_source_file,const String& p_save_path,const Map<StringName,Variant>& p_options,List<String>* r_platform_variants);
+
+	ResourceImporterTexture();
+};
+
+#endif // RESOURCEIMPORTTEXTURE_H