""" RenderPipeline Copyright (c) 2014-2016 tobspr 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. """ from panda3d.core import Texture, GeomEnums from rpcore.rpobject import RPObject from rpcore.globals import Globals from rpcore.render_target import RenderTarget class ImageFormatTypes(object): # pylint: disable=too-few-public-methods """ This is a small helper class to prevent pylint errors about the Image class not defining the enums. This class just copies the enum properties from panda3d's builtin Texture class. """ T_float = Texture.T_float T_unsigned_byte = Texture.T_unsigned_byte T_int = Texture.T_int T_unsigned_short = Texture.T_unsigned_short T_unsigned_int_24_8 = Texture.T_unsigned_int_24_8 TT_buffer_texture = Texture.TT_buffer_texture TT_2d_texture = Texture.TT_2d_texture TT_3d_texture = Texture.TT_3d_texture TT_cube_map = Texture.TT_cube_map TT_cube_map_array = Texture.TT_cube_map_array TT_2d_texture_array = Texture.TT_2d_texture_array format_format = Texture.format_format format_component_type = Texture.format_component_type class Image(RPObject, Texture, ImageFormatTypes): """ This is a wrapper arround the Texture class from Panda3D, which keeps track of all images and registers / unregisters them aswell as counting the memory used. This is used by all classes instead of pandas builtin Texture class. """ # All registered images REGISTERED_IMAGES = [] # String formats FORMAT_MAPPINGS = { "R11G11B10": (Texture.T_float, Texture.F_r11_g11_b10), "RGBA8": (Texture.T_unsigned_byte, Texture.F_rgba8), "RGBA16": (Texture.T_float, Texture.F_rgba16), "RGBA32": (Texture.T_float, Texture.F_rgba32), "R8": (Texture.T_unsigned_byte, Texture.F_red), "R8UI": (Texture.T_unsigned_byte, Texture.F_red), "R16": (Texture.T_float, Texture.F_r16), "R16UI": (Texture.T_unsigned_short, Texture.F_r16i), "R32": (Texture.T_float, Texture.F_r32), "R32I": (Texture.T_int, Texture.F_r32i), } @classmethod def create_buffer(cls, name, size, component_format): """ Creates a new buffer texture """ img = cls("ImgBuffer-" + name) comp_type, comp_format = cls.convert_texture_format(component_format) img.setup_buffer_texture(size, comp_type, comp_format, GeomEnums.UH_static) return img @classmethod def create_counter(cls, name): """ Creates a new 1x1 R32I texture to be used as an atomic counter """ return cls.create_buffer(name, 1, "R32I") @classmethod def create_2d(cls, name, w, h, component_format): """ Creates a new 2D texture """ img = cls("Img2D-" + name) comp_type, comp_format = cls.convert_texture_format(component_format) img.setup_2d_texture(w, h, comp_type, comp_format) return img @classmethod def create_2d_array(cls, name, w, h, slices, component_format): """ Creates a new 2D-array texture """ img = cls("Img2DArr-" + name) comp_type, comp_format = cls.convert_texture_format(component_format) img.setup_2d_texture_array(w, h, slices, comp_type, comp_format) return img @classmethod def create_3d(cls, name, w, h, slices, component_format): """ Creates a new 3D texture """ img = cls("Img3D-" + name) comp_type, comp_format = cls.convert_texture_format(component_format) img.setup_3d_texture(w, h, slices, comp_type, comp_format) return img @classmethod def create_cube(cls, name, size, component_format): """ Creates a new cubemap """ img = cls("ImgCube-" + name) comp_type, comp_format = cls.convert_texture_format(component_format) img.setup_cube_map(size, comp_type, comp_format) return img @classmethod def create_cube_array(cls, name, size, num_cubemaps, component_format): """ Creates a new cubemap """ img = cls("ImgCubeArr-" + name) comp_type, comp_format = cls.convert_texture_format(component_format) img.setup_cube_map_array(size, num_cubemaps, comp_type, comp_format) return img @classmethod def convert_texture_format(cls, comp_type): """ Converts a string like 'RGBA8' to a texture type and format """ return cls.FORMAT_MAPPINGS[comp_type] def __init__(self, name): """ Internal method to create a new image """ RPObject.__init__(self, name) Texture.__init__(self, name) Image.REGISTERED_IMAGES.append(self) self.set_clear_color(0) self.clear_image() self.sort = RenderTarget.CURRENT_SORT def __del__(self): """ Destroys the image """ self.warn("Image destructor not implemented yet") def write(self, pth): """ Writes the image to disk """ Globals.base.graphicsEngine.extract_texture_data(self, Globals.base.win.gsg) if self.get_texture_type() in [Texture.TT_3d_texture, Texture.TT_cube_map]: Texture.write(self, "#_" + pth, 0, 0, True, False) else: Texture.write(self, pth)