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#pragma once

/* the rest of this file must match virglrenderer/src/apir-protocol.h */

#include <unistd.h>

#include <cstdint>

#define APIR_PROTOCOL_MAJOR 0
#define APIR_PROTOCOL_MINOR 1

#define APIR_HANDSHAKE_MAGIC 0xab1e

enum ApirCommandType {
    APIR_COMMAND_TYPE_HANDSHAKE   = 0,
    APIR_COMMAND_TYPE_LOADLIBRARY = 1,
    APIR_COMMAND_TYPE_FORWARD     = 2,

    APIR_COMMAND_TYPE_LENGTH = 3,
};

typedef uint64_t ApirCommandFlags;

enum ApirLoadLibraryReturnCode {
    APIR_LOAD_LIBRARY_SUCCESS                        = 0,
    // these error codes are returned by the Virglrenderer APIR component
    APIR_LOAD_LIBRARY_HYPERCALL_INITIALIZATION_ERROR = 1,
    APIR_LOAD_LIBRARY_ALREADY_LOADED                 = 2,
    APIR_LOAD_LIBRARY_ENV_VAR_MISSING                = 3,
    APIR_LOAD_LIBRARY_CANNOT_OPEN                    = 4,
    APIR_LOAD_LIBRARY_SYMBOL_MISSING                 = 5,
    // any value greater than this is an APIR *backend library* initialization return code
    APIR_LOAD_LIBRARY_INIT_BASE_INDEX                = 6,
};

enum ApirForwardReturnCode {
    APIR_FORWARD_SUCCESS                = 0,
    // these error codes are returned by the Virglrenderer APIR component
    APIR_FORWARD_NO_DISPATCH_FCT        = 1,
    APIR_FORWARD_TIMEOUT                = 2,
    APIR_FORWARD_FAILED_TO_SYNC_STREAMS = 3,
    // any value greater than this index an APIR *backend library* forward return code
    APIR_FORWARD_BASE_INDEX             = 4,
};

__attribute__((unused)) static inline const char * apir_command_name(ApirCommandType type) {
    switch (type) {
        case APIR_COMMAND_TYPE_HANDSHAKE:
            return "HandShake";
        case APIR_COMMAND_TYPE_LOADLIBRARY:
            return "LoadLibrary";
        case APIR_COMMAND_TYPE_FORWARD:
            return "Forward";
        default:
            return "unknown";
    }
}

__attribute__((unused)) static const char * apir_load_library_error(ApirLoadLibraryReturnCode code) {
#define APIR_LOAD_LIBRARY_ERROR(code_name) \
    do {                                   \
        if (code == code_name)             \
            return #code_name;             \
    } while (0)

    APIR_LOAD_LIBRARY_ERROR(APIR_LOAD_LIBRARY_SUCCESS);
    APIR_LOAD_LIBRARY_ERROR(APIR_LOAD_LIBRARY_HYPERCALL_INITIALIZATION_ERROR);
    APIR_LOAD_LIBRARY_ERROR(APIR_LOAD_LIBRARY_ALREADY_LOADED);
    APIR_LOAD_LIBRARY_ERROR(APIR_LOAD_LIBRARY_ENV_VAR_MISSING);
    APIR_LOAD_LIBRARY_ERROR(APIR_LOAD_LIBRARY_CANNOT_OPEN);
    APIR_LOAD_LIBRARY_ERROR(APIR_LOAD_LIBRARY_SYMBOL_MISSING);
    APIR_LOAD_LIBRARY_ERROR(APIR_LOAD_LIBRARY_INIT_BASE_INDEX);

    return "Unknown APIR_COMMAND_TYPE_LoadLibrary error";

#undef APIR_LOAD_LIBRARY_ERROR
}

__attribute__((unused)) static const char * apir_forward_error(ApirForwardReturnCode code) {
#define APIR_FORWARD_ERROR(code_name) \
    do {                              \
        if (code == code_name)        \
            return #code_name;        \
    } while (0)

    APIR_FORWARD_ERROR(APIR_FORWARD_SUCCESS);
    APIR_FORWARD_ERROR(APIR_FORWARD_NO_DISPATCH_FCT);
    APIR_FORWARD_ERROR(APIR_FORWARD_TIMEOUT);
    APIR_FORWARD_ERROR(APIR_FORWARD_FAILED_TO_SYNC_STREAMS);
    APIR_FORWARD_ERROR(APIR_FORWARD_BASE_INDEX);

    return "Unknown APIR_COMMAND_TYPE_FORWARD error";

#undef APIR_FORWARD_ERROR
}

	#pragma once

	/* the rest of this file must match virglrenderer/src/apir-protocol.h */

	#include <unistd.h>

	#include <cstdint>

	#define APIR_PROTOCOL_MAJOR 0
	#define APIR_PROTOCOL_MINOR 1

	#define APIR_HANDSHAKE_MAGIC 0xab1e

	enum ApirCommandType {
	APIR_COMMAND_TYPE_HANDSHAKE = 0,
	APIR_COMMAND_TYPE_LOADLIBRARY = 1,
	APIR_COMMAND_TYPE_FORWARD = 2,

	APIR_COMMAND_TYPE_LENGTH = 3,
	};

	typedef uint64_t ApirCommandFlags;

	enum ApirLoadLibraryReturnCode {
	APIR_LOAD_LIBRARY_SUCCESS = 0,
	// these error codes are returned by the Virglrenderer APIR component
	APIR_LOAD_LIBRARY_HYPERCALL_INITIALIZATION_ERROR = 1,
	APIR_LOAD_LIBRARY_ALREADY_LOADED = 2,
	APIR_LOAD_LIBRARY_ENV_VAR_MISSING = 3,
	APIR_LOAD_LIBRARY_CANNOT_OPEN = 4,
	APIR_LOAD_LIBRARY_SYMBOL_MISSING = 5,
	// any value greater than this is an APIR backend library initialization return code
	APIR_LOAD_LIBRARY_INIT_BASE_INDEX = 6,
	};

	enum ApirForwardReturnCode {
	APIR_FORWARD_SUCCESS = 0,
	// these error codes are returned by the Virglrenderer APIR component
	APIR_FORWARD_NO_DISPATCH_FCT = 1,
	APIR_FORWARD_TIMEOUT = 2,
	APIR_FORWARD_FAILED_TO_SYNC_STREAMS = 3,
	// any value greater than this index an APIR backend library forward return code
	APIR_FORWARD_BASE_INDEX = 4,
	};

	__attribute__((unused)) static inline const char * apir_command_name(ApirCommandType type) {
	switch (type) {
	case APIR_COMMAND_TYPE_HANDSHAKE:
	return "HandShake";
	case APIR_COMMAND_TYPE_LOADLIBRARY:
	return "LoadLibrary";
	case APIR_COMMAND_TYPE_FORWARD:
	return "Forward";
	default:
	return "unknown";
	}
	}

	__attribute__((unused)) static const char * apir_load_library_error(ApirLoadLibraryReturnCode code) {
	#define APIR_LOAD_LIBRARY_ERROR(code_name) \
	do { \
	if (code == code_name) \
	return #code_name; \
	} while (0)

	APIR_LOAD_LIBRARY_ERROR(APIR_LOAD_LIBRARY_SUCCESS);
	APIR_LOAD_LIBRARY_ERROR(APIR_LOAD_LIBRARY_HYPERCALL_INITIALIZATION_ERROR);
	APIR_LOAD_LIBRARY_ERROR(APIR_LOAD_LIBRARY_ALREADY_LOADED);
	APIR_LOAD_LIBRARY_ERROR(APIR_LOAD_LIBRARY_ENV_VAR_MISSING);
	APIR_LOAD_LIBRARY_ERROR(APIR_LOAD_LIBRARY_CANNOT_OPEN);
	APIR_LOAD_LIBRARY_ERROR(APIR_LOAD_LIBRARY_SYMBOL_MISSING);
	APIR_LOAD_LIBRARY_ERROR(APIR_LOAD_LIBRARY_INIT_BASE_INDEX);

	return "Unknown APIR_COMMAND_TYPE_LoadLibrary error";

	#undef APIR_LOAD_LIBRARY_ERROR
	}

	__attribute__((unused)) static const char * apir_forward_error(ApirForwardReturnCode code) {
	#define APIR_FORWARD_ERROR(code_name) \
	do { \
	if (code == code_name) \
	return #code_name; \
	} while (0)

	APIR_FORWARD_ERROR(APIR_FORWARD_SUCCESS);
	APIR_FORWARD_ERROR(APIR_FORWARD_NO_DISPATCH_FCT);
	APIR_FORWARD_ERROR(APIR_FORWARD_TIMEOUT);
	APIR_FORWARD_ERROR(APIR_FORWARD_FAILED_TO_SYNC_STREAMS);
	APIR_FORWARD_ERROR(APIR_FORWARD_BASE_INDEX);

	return "Unknown APIR_COMMAND_TYPE_FORWARD error";

	#undef APIR_FORWARD_ERROR
	}