godot/drivers/gles3/rasterizer_storage_common.h

/*************************************************************************/
/*  rasterizer_storage_common.h                                          */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).   */
/*                                                                       */
/* 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 RASTERIZER_STORAGE_COMMON_H
#define RASTERIZER_STORAGE_COMMON_H

class RasterizerStorageCommon {
public:
	enum FVF {
		FVF_UNBATCHED,
		FVF_REGULAR,
		FVF_COLOR,
		FVF_LIGHT_ANGLE,
		FVF_MODULATED,
		FVF_LARGE,
	};

	// these flags are specifically for batching
	// some of the logic is thus in rasterizer_storage.cpp
	// we could alternatively set bitflags for each 'uses' and test on the fly
	enum BatchFlags {
		PREVENT_COLOR_BAKING = 1 << 0,
		PREVENT_VERTEX_BAKING = 1 << 1,

		// custom vertex shaders using BUILTINS that vary per item
		PREVENT_ITEM_JOINING = 1 << 2,

		USE_MODULATE_FVF = 1 << 3,
		USE_LARGE_FVF = 1 << 4,
	};

	enum BatchType : uint16_t {
		BT_DEFAULT = 0,
		BT_RECT = 1,
		BT_LINE = 2,
		BT_LINE_AA = 3,
		BT_POLY = 4,
		BT_DUMMY = 5, // dummy batch is just used to keep the batch creation loop simple
	};

	enum BatchTypeFlags {
		BTF_DEFAULT = 1 << BT_DEFAULT,
		BTF_RECT = 1 << BT_RECT,
		BTF_LINE = 1 << BT_LINE,
		BTF_LINE_AA = 1 << BT_LINE_AA,
		BTF_POLY = 1 << BT_POLY,
	};
};

#endif // RASTERIZER_STORAGE_COMMON_H