squish: Move to a module and split thirdparty lib

6 files changed, 239 insertions, 0 deletions

diff --git a/modules/squish/SCsub b/modules/squish/SCsub
new file mode 100644
index 0000000000..072921ef64
--- /dev/null
+++ b/modules/squish/SCsub
@@ -0,0 +1,27 @@
+Import('env')
+Import('env_modules')
+
+env_squish = env_modules.Clone()
+
+# Thirdparty source files
+if (env["squish"] != "system"): # builtin
+	thirdparty_dir = "#thirdparty/squish/"
+	thirdparty_sources = [
+		"alpha.cpp",
+		"clusterfit.cpp",
+		"colourblock.cpp",
+		"colourfit.cpp",
+		"colourset.cpp",
+		"maths.cpp",
+		"rangefit.cpp",
+		"singlecolourfit.cpp",
+		"squish.cpp",
+	]
+
+	thirdparty_sources = [thirdparty_dir + file for file in thirdparty_sources]
+
+	env_squish.add_source_files(env.modules_sources, thirdparty_sources)
+	env_squish.Append(CPPPATH = [thirdparty_dir])
+
+# Godot source files
+env_squish.add_source_files(env.modules_sources, "*.cpp")
diff --git a/modules/squish/config.py b/modules/squish/config.py
new file mode 100644
index 0000000000..d28d9c702e
--- /dev/null
+++ b/modules/squish/config.py
@@ -0,0 +1,10 @@
+
+def can_build(platform):
+	return True
+
+def configure(env):
+	# Tools only, disabled for non-tools
+	# TODO: Find a cleaner way to achieve that
+	if (env["tools"] == "no"):
+		env["module_squish_enabled"] = "no"
+		env.disabled_modules.append("squish")
diff --git a/modules/squish/image_compress_squish.cpp b/modules/squish/image_compress_squish.cpp
new file mode 100644
index 0000000000..ac7c935ceb
--- /dev/null
+++ b/modules/squish/image_compress_squish.cpp
@@ -0,0 +1,92 @@
+/*************************************************************************/
+/*  image_compress_squish.cpp                                            */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                    http://www.godotengine.org                         */
+/*************************************************************************/
+/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur.                 */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+#include "image_compress_squish.h"
+
+#include "print_string.h"
+
+#include <squish.h>
+
+void image_compress_squish(Image *p_image) {
+
+	int w=p_image->get_width();
+	int h=p_image->get_height();
+
+	if (p_image->get_mipmaps() == 0) {
+		ERR_FAIL_COND( !w || w % 4 != 0);
+		ERR_FAIL_COND( !h || h % 4 != 0);
+	} else {
+		ERR_FAIL_COND( !w || w !=nearest_power_of_2(w) );
+		ERR_FAIL_COND( !h || h !=nearest_power_of_2(h) );
+	};
+
+	if (p_image->get_format()>=Image::FORMAT_BC1)
+		return; //do not compress, already compressed
+
+	int shift=0;
+	int squish_comp=squish::kColourRangeFit;
+	Image::Format target_format;
+
+	if (p_image->get_format()==Image::FORMAT_GRAYSCALE_ALPHA) {
+		//compressed normalmap
+		target_format = Image::FORMAT_BC3; squish_comp|=squish::kDxt5;;
+	} else if (p_image->detect_alpha()!=Image::ALPHA_NONE) {
+
+		target_format = Image::FORMAT_BC2; squish_comp|=squish::kDxt3;;
+	} else {
+		target_format = Image::FORMAT_BC1; shift=1; squish_comp|=squish::kDxt1;;
+	}
+
+	p_image->convert(Image::FORMAT_RGBA); //always expects rgba
+
+	int mm_count = p_image->get_mipmaps();
+
+	DVector<uint8_t> data;
+	int target_size = Image::get_image_data_size(w,h,target_format,mm_count);
+	data.resize(target_size);
+
+	DVector<uint8_t>::Read rb = p_image->get_data().read();
+	DVector<uint8_t>::Write wb = data.write();
+
+	int dst_ofs=0;
+
+	for(int i=0;i<=mm_count;i++) {
+
+		int src_ofs = p_image->get_mipmap_offset(i);
+		squish::CompressImage( &rb[src_ofs],w,h,&wb[dst_ofs],squish_comp);
+		dst_ofs+=(MAX(4,w)*MAX(4,h))>>shift;
+		w>>=1;
+		h>>=1;
+	}
+
+	rb = DVector<uint8_t>::Read();
+	wb = DVector<uint8_t>::Write();
+
+	p_image->create(p_image->get_width(),p_image->get_height(),p_image->get_mipmaps(),target_format,data);
+
+}
diff --git a/modules/squish/image_compress_squish.h b/modules/squish/image_compress_squish.h
new file mode 100644
index 0000000000..19dd900674
--- /dev/null
+++ b/modules/squish/image_compress_squish.h
@@ -0,0 +1,36 @@
+/*************************************************************************/
+/*  image_compress_squish.h                                              */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                    http://www.godotengine.org                         */
+/*************************************************************************/
+/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur.                 */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+#ifndef IMAGE_COMPRESS_SQUISH_H
+#define IMAGE_COMPRESS_SQUISH_H
+
+#include "image.h"
+
+void image_compress_squish(Image *p_image);
+
+#endif // IMAGE_COMPRESS_SQUISH_H
diff --git a/modules/squish/register_types.cpp b/modules/squish/register_types.cpp
new file mode 100644
index 0000000000..9e9621eb64
--- /dev/null
+++ b/modules/squish/register_types.cpp
@@ -0,0 +1,42 @@
+/*************************************************************************/
+/*  register_types.cpp                                                   */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                    http://www.godotengine.org                         */
+/*************************************************************************/
+/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur.                 */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+#include "register_types.h"
+
+#ifdef TOOLS_ENABLED
+
+#include "image_compress_squish.h"
+
+void register_squish_types() {
+
+	Image::set_compress_bc_func(image_compress_squish);
+}
+
+void unregister_squish_types() {}
+
+#endif
diff --git a/modules/squish/register_types.h b/modules/squish/register_types.h
new file mode 100644
index 0000000000..bbde6a44bf
--- /dev/null
+++ b/modules/squish/register_types.h
@@ -0,0 +1,32 @@
+/*************************************************************************/
+/*  register_types.h                                                     */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                    http://www.godotengine.org                         */
+/*************************************************************************/
+/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur.                 */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+#ifdef TOOLS_ENABLED
+void register_squish_types();
+void unregister_squish_types();
+#endif