godot/drivers/gles_common/rasterizer_storage_common.h

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/*  rasterizer_storage_common.h                                          */
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/*                       This file is part of:                           */
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
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#pragma once

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,
	};
};